Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

26 files changed, 11698 insertions, 0 deletions

diff --git a/drivers/crypto/ccree/Makefile b/drivers/crypto/ccree/Makefile
new file mode 100644
index 000000000..5cfda508e
--- /dev/null
+++ b/drivers/crypto/ccree/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2012-2019 ARM Limited (or its affiliates).
+
+obj-$(CONFIG_CRYPTO_DEV_CCREE) := ccree.o
+ccree-y := cc_driver.o cc_buffer_mgr.o cc_request_mgr.o cc_cipher.o cc_hash.o cc_aead.o cc_sram_mgr.o
+ccree-$(CONFIG_CRYPTO_FIPS) += cc_fips.o
+ccree-$(CONFIG_DEBUG_FS) += cc_debugfs.o
+ccree-$(CONFIG_PM) += cc_pm.o
diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c
new file mode 100644
index 000000000..35794c727
--- /dev/null
+++ b/drivers/crypto/ccree/cc_aead.c
@@ -0,0 +1,2664 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <crypto/algapi.h>
+#include <crypto/internal/aead.h>
+#include <crypto/authenc.h>
+#include <crypto/gcm.h>
+#include <linux/rtnetlink.h>
+#include <crypto/internal/des.h>
+#include "cc_driver.h"
+#include "cc_buffer_mgr.h"
+#include "cc_aead.h"
+#include "cc_request_mgr.h"
+#include "cc_hash.h"
+#include "cc_sram_mgr.h"
+
+#define template_aead	template_u.aead
+
+#define MAX_AEAD_SETKEY_SEQ 12
+#define MAX_AEAD_PROCESS_SEQ 23
+
+#define MAX_HMAC_DIGEST_SIZE (SHA256_DIGEST_SIZE)
+#define MAX_HMAC_BLOCK_SIZE (SHA256_BLOCK_SIZE)
+
+#define MAX_NONCE_SIZE CTR_RFC3686_NONCE_SIZE
+
+struct cc_aead_handle {
+	u32 sram_workspace_addr;
+	struct list_head aead_list;
+};
+
+struct cc_hmac_s {
+	u8 *padded_authkey;
+	u8 *ipad_opad; /* IPAD, OPAD*/
+	dma_addr_t padded_authkey_dma_addr;
+	dma_addr_t ipad_opad_dma_addr;
+};
+
+struct cc_xcbc_s {
+	u8 *xcbc_keys; /* K1,K2,K3 */
+	dma_addr_t xcbc_keys_dma_addr;
+};
+
+struct cc_aead_ctx {
+	struct cc_drvdata *drvdata;
+	u8 ctr_nonce[MAX_NONCE_SIZE]; /* used for ctr3686 iv and aes ccm */
+	u8 *enckey;
+	dma_addr_t enckey_dma_addr;
+	union {
+		struct cc_hmac_s hmac;
+		struct cc_xcbc_s xcbc;
+	} auth_state;
+	unsigned int enc_keylen;
+	unsigned int auth_keylen;
+	unsigned int authsize; /* Actual (reduced?) size of the MAC/ICv */
+	unsigned int hash_len;
+	enum drv_cipher_mode cipher_mode;
+	enum cc_flow_mode flow_mode;
+	enum drv_hash_mode auth_mode;
+};
+
+static void cc_aead_exit(struct crypto_aead *tfm)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "Clearing context @%p for %s\n", crypto_aead_ctx(tfm),
+		crypto_tfm_alg_name(&tfm->base));
+
+	/* Unmap enckey buffer */
+	if (ctx->enckey) {
+		dma_free_coherent(dev, AES_MAX_KEY_SIZE, ctx->enckey,
+				  ctx->enckey_dma_addr);
+		dev_dbg(dev, "Freed enckey DMA buffer enckey_dma_addr=%pad\n",
+			&ctx->enckey_dma_addr);
+		ctx->enckey_dma_addr = 0;
+		ctx->enckey = NULL;
+	}
+
+	if (ctx->auth_mode == DRV_HASH_XCBC_MAC) { /* XCBC authetication */
+		struct cc_xcbc_s *xcbc = &ctx->auth_state.xcbc;
+
+		if (xcbc->xcbc_keys) {
+			dma_free_coherent(dev, CC_AES_128_BIT_KEY_SIZE * 3,
+					  xcbc->xcbc_keys,
+					  xcbc->xcbc_keys_dma_addr);
+		}
+		dev_dbg(dev, "Freed xcbc_keys DMA buffer xcbc_keys_dma_addr=%pad\n",
+			&xcbc->xcbc_keys_dma_addr);
+		xcbc->xcbc_keys_dma_addr = 0;
+		xcbc->xcbc_keys = NULL;
+	} else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC auth. */
+		struct cc_hmac_s *hmac = &ctx->auth_state.hmac;
+
+		if (hmac->ipad_opad) {
+			dma_free_coherent(dev, 2 * MAX_HMAC_DIGEST_SIZE,
+					  hmac->ipad_opad,
+					  hmac->ipad_opad_dma_addr);
+			dev_dbg(dev, "Freed ipad_opad DMA buffer ipad_opad_dma_addr=%pad\n",
+				&hmac->ipad_opad_dma_addr);
+			hmac->ipad_opad_dma_addr = 0;
+			hmac->ipad_opad = NULL;
+		}
+		if (hmac->padded_authkey) {
+			dma_free_coherent(dev, MAX_HMAC_BLOCK_SIZE,
+					  hmac->padded_authkey,
+					  hmac->padded_authkey_dma_addr);
+			dev_dbg(dev, "Freed padded_authkey DMA buffer padded_authkey_dma_addr=%pad\n",
+				&hmac->padded_authkey_dma_addr);
+			hmac->padded_authkey_dma_addr = 0;
+			hmac->padded_authkey = NULL;
+		}
+	}
+}
+
+static unsigned int cc_get_aead_hash_len(struct crypto_aead *tfm)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+	return cc_get_default_hash_len(ctx->drvdata);
+}
+
+static int cc_aead_init(struct crypto_aead *tfm)
+{
+	struct aead_alg *alg = crypto_aead_alg(tfm);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct cc_crypto_alg *cc_alg =
+			container_of(alg, struct cc_crypto_alg, aead_alg);
+	struct device *dev = drvdata_to_dev(cc_alg->drvdata);
+
+	dev_dbg(dev, "Initializing context @%p for %s\n", ctx,
+		crypto_tfm_alg_name(&tfm->base));
+
+	/* Initialize modes in instance */
+	ctx->cipher_mode = cc_alg->cipher_mode;
+	ctx->flow_mode = cc_alg->flow_mode;
+	ctx->auth_mode = cc_alg->auth_mode;
+	ctx->drvdata = cc_alg->drvdata;
+	crypto_aead_set_reqsize(tfm, sizeof(struct aead_req_ctx));
+
+	/* Allocate key buffer, cache line aligned */
+	ctx->enckey = dma_alloc_coherent(dev, AES_MAX_KEY_SIZE,
+					 &ctx->enckey_dma_addr, GFP_KERNEL);
+	if (!ctx->enckey) {
+		dev_err(dev, "Failed allocating key buffer\n");
+		goto init_failed;
+	}
+	dev_dbg(dev, "Allocated enckey buffer in context ctx->enckey=@%p\n",
+		ctx->enckey);
+
+	/* Set default authlen value */
+
+	if (ctx->auth_mode == DRV_HASH_XCBC_MAC) { /* XCBC authetication */
+		struct cc_xcbc_s *xcbc = &ctx->auth_state.xcbc;
+		const unsigned int key_size = CC_AES_128_BIT_KEY_SIZE * 3;
+
+		/* Allocate dma-coherent buffer for XCBC's K1+K2+K3 */
+		/* (and temporary for user key - up to 256b) */
+		xcbc->xcbc_keys = dma_alloc_coherent(dev, key_size,
+						     &xcbc->xcbc_keys_dma_addr,
+						     GFP_KERNEL);
+		if (!xcbc->xcbc_keys) {
+			dev_err(dev, "Failed allocating buffer for XCBC keys\n");
+			goto init_failed;
+		}
+	} else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC authentication */
+		struct cc_hmac_s *hmac = &ctx->auth_state.hmac;
+		const unsigned int digest_size = 2 * MAX_HMAC_DIGEST_SIZE;
+		dma_addr_t *pkey_dma = &hmac->padded_authkey_dma_addr;
+
+		/* Allocate dma-coherent buffer for IPAD + OPAD */
+		hmac->ipad_opad = dma_alloc_coherent(dev, digest_size,
+						     &hmac->ipad_opad_dma_addr,
+						     GFP_KERNEL);
+
+		if (!hmac->ipad_opad) {
+			dev_err(dev, "Failed allocating IPAD/OPAD buffer\n");
+			goto init_failed;
+		}
+
+		dev_dbg(dev, "Allocated authkey buffer in context ctx->authkey=@%p\n",
+			hmac->ipad_opad);
+
+		hmac->padded_authkey = dma_alloc_coherent(dev,
+							  MAX_HMAC_BLOCK_SIZE,
+							  pkey_dma,
+							  GFP_KERNEL);
+
+		if (!hmac->padded_authkey) {
+			dev_err(dev, "failed to allocate padded_authkey\n");
+			goto init_failed;
+		}
+	} else {
+		ctx->auth_state.hmac.ipad_opad = NULL;
+		ctx->auth_state.hmac.padded_authkey = NULL;
+	}
+	ctx->hash_len = cc_get_aead_hash_len(tfm);
+
+	return 0;
+
+init_failed:
+	cc_aead_exit(tfm);
+	return -ENOMEM;
+}
+
+static void cc_aead_complete(struct device *dev, void *cc_req, int err)
+{
+	struct aead_request *areq = (struct aead_request *)cc_req;
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(areq);
+	struct crypto_aead *tfm = crypto_aead_reqtfm(cc_req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+	/* BACKLOG notification */
+	if (err == -EINPROGRESS)
+		goto done;
+
+	cc_unmap_aead_request(dev, areq);
+
+	/* Restore ordinary iv pointer */
+	areq->iv = areq_ctx->backup_iv;
+
+	if (err)
+		goto done;
+
+	if (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		if (memcmp(areq_ctx->mac_buf, areq_ctx->icv_virt_addr,
+			   ctx->authsize) != 0) {
+			dev_dbg(dev, "Payload authentication failure, (auth-size=%d, cipher=%d)\n",
+				ctx->authsize, ctx->cipher_mode);
+			/* In case of payload authentication failure, MUST NOT
+			 * revealed the decrypted message --> zero its memory.
+			 */
+			sg_zero_buffer(areq->dst, sg_nents(areq->dst),
+				       areq->cryptlen, areq->assoclen);
+			err = -EBADMSG;
+		}
+	/*ENCRYPT*/
+	} else if (areq_ctx->is_icv_fragmented) {
+		u32 skip = areq->cryptlen + areq_ctx->dst_offset;
+
+		cc_copy_sg_portion(dev, areq_ctx->mac_buf, areq_ctx->dst_sgl,
+				   skip, (skip + ctx->authsize),
+				   CC_SG_FROM_BUF);
+	}
+done:
+	aead_request_complete(areq, err);
+}
+
+static unsigned int xcbc_setkey(struct cc_hw_desc *desc,
+				struct cc_aead_ctx *ctx)
+{
+	/* Load the AES key */
+	hw_desc_init(&desc[0]);
+	/* We are using for the source/user key the same buffer
+	 * as for the output keys, * because after this key loading it
+	 * is not needed anymore
+	 */
+	set_din_type(&desc[0], DMA_DLLI,
+		     ctx->auth_state.xcbc.xcbc_keys_dma_addr, ctx->auth_keylen,
+		     NS_BIT);
+	set_cipher_mode(&desc[0], DRV_CIPHER_ECB);
+	set_cipher_config0(&desc[0], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_key_size_aes(&desc[0], ctx->auth_keylen);
+	set_flow_mode(&desc[0], S_DIN_to_AES);
+	set_setup_mode(&desc[0], SETUP_LOAD_KEY0);
+
+	hw_desc_init(&desc[1]);
+	set_din_const(&desc[1], 0x01010101, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[1], DIN_AES_DOUT);
+	set_dout_dlli(&desc[1], ctx->auth_state.xcbc.xcbc_keys_dma_addr,
+		      AES_KEYSIZE_128, NS_BIT, 0);
+
+	hw_desc_init(&desc[2]);
+	set_din_const(&desc[2], 0x02020202, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[2], DIN_AES_DOUT);
+	set_dout_dlli(&desc[2], (ctx->auth_state.xcbc.xcbc_keys_dma_addr
+					 + AES_KEYSIZE_128),
+			      AES_KEYSIZE_128, NS_BIT, 0);
+
+	hw_desc_init(&desc[3]);
+	set_din_const(&desc[3], 0x03030303, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[3], DIN_AES_DOUT);
+	set_dout_dlli(&desc[3], (ctx->auth_state.xcbc.xcbc_keys_dma_addr
+					  + 2 * AES_KEYSIZE_128),
+			      AES_KEYSIZE_128, NS_BIT, 0);
+
+	return 4;
+}
+
+static unsigned int hmac_setkey(struct cc_hw_desc *desc,
+				struct cc_aead_ctx *ctx)
+{
+	unsigned int hmac_pad_const[2] = { HMAC_IPAD_CONST, HMAC_OPAD_CONST };
+	unsigned int digest_ofs = 0;
+	unsigned int hash_mode = (ctx->auth_mode == DRV_HASH_SHA1) ?
+			DRV_HASH_HW_SHA1 : DRV_HASH_HW_SHA256;
+	unsigned int digest_size = (ctx->auth_mode == DRV_HASH_SHA1) ?
+			CC_SHA1_DIGEST_SIZE : CC_SHA256_DIGEST_SIZE;
+	struct cc_hmac_s *hmac = &ctx->auth_state.hmac;
+
+	unsigned int idx = 0;
+	int i;
+
+	/* calc derived HMAC key */
+	for (i = 0; i < 2; i++) {
+		/* Load hash initial state */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], hash_mode);
+		set_din_sram(&desc[idx],
+			     cc_larval_digest_addr(ctx->drvdata,
+						   ctx->auth_mode),
+			     digest_size);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+		idx++;
+
+		/* Load the hash current length*/
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], hash_mode);
+		set_din_const(&desc[idx], 0, ctx->hash_len);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+		idx++;
+
+		/* Prepare ipad key */
+		hw_desc_init(&desc[idx]);
+		set_xor_val(&desc[idx], hmac_pad_const[i]);
+		set_cipher_mode(&desc[idx], hash_mode);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+		idx++;
+
+		/* Perform HASH update */
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     hmac->padded_authkey_dma_addr,
+			     SHA256_BLOCK_SIZE, NS_BIT);
+		set_cipher_mode(&desc[idx], hash_mode);
+		set_xor_active(&desc[idx]);
+		set_flow_mode(&desc[idx], DIN_HASH);
+		idx++;
+
+		/* Get the digset */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], hash_mode);
+		set_dout_dlli(&desc[idx],
+			      (hmac->ipad_opad_dma_addr + digest_ofs),
+			      digest_size, NS_BIT, 0);
+		set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+		set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+		set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+		idx++;
+
+		digest_ofs += digest_size;
+	}
+
+	return idx;
+}
+
+static int validate_keys_sizes(struct cc_aead_ctx *ctx)
+{
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "enc_keylen=%u  authkeylen=%u\n",
+		ctx->enc_keylen, ctx->auth_keylen);
+
+	switch (ctx->auth_mode) {
+	case DRV_HASH_SHA1:
+	case DRV_HASH_SHA256:
+		break;
+	case DRV_HASH_XCBC_MAC:
+		if (ctx->auth_keylen != AES_KEYSIZE_128 &&
+		    ctx->auth_keylen != AES_KEYSIZE_192 &&
+		    ctx->auth_keylen != AES_KEYSIZE_256)
+			return -ENOTSUPP;
+		break;
+	case DRV_HASH_NULL: /* Not authenc (e.g., CCM) - no auth_key) */
+		if (ctx->auth_keylen > 0)
+			return -EINVAL;
+		break;
+	default:
+		dev_dbg(dev, "Invalid auth_mode=%d\n", ctx->auth_mode);
+		return -EINVAL;
+	}
+	/* Check cipher key size */
+	if (ctx->flow_mode == S_DIN_to_DES) {
+		if (ctx->enc_keylen != DES3_EDE_KEY_SIZE) {
+			dev_dbg(dev, "Invalid cipher(3DES) key size: %u\n",
+				ctx->enc_keylen);
+			return -EINVAL;
+		}
+	} else { /* Default assumed to be AES ciphers */
+		if (ctx->enc_keylen != AES_KEYSIZE_128 &&
+		    ctx->enc_keylen != AES_KEYSIZE_192 &&
+		    ctx->enc_keylen != AES_KEYSIZE_256) {
+			dev_dbg(dev, "Invalid cipher(AES) key size: %u\n",
+				ctx->enc_keylen);
+			return -EINVAL;
+		}
+	}
+
+	return 0; /* All tests of keys sizes passed */
+}
+
+/* This function prepers the user key so it can pass to the hmac processing
+ * (copy to intenral buffer or hash in case of key longer than block
+ */
+static int cc_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *authkey,
+				 unsigned int keylen)
+{
+	dma_addr_t key_dma_addr = 0;
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	u32 larval_addr;
+	struct cc_crypto_req cc_req = {};
+	unsigned int blocksize;
+	unsigned int digestsize;
+	unsigned int hashmode;
+	unsigned int idx = 0;
+	int rc = 0;
+	u8 *key = NULL;
+	struct cc_hw_desc desc[MAX_AEAD_SETKEY_SEQ];
+	dma_addr_t padded_authkey_dma_addr =
+		ctx->auth_state.hmac.padded_authkey_dma_addr;
+
+	switch (ctx->auth_mode) { /* auth_key required and >0 */
+	case DRV_HASH_SHA1:
+		blocksize = SHA1_BLOCK_SIZE;
+		digestsize = SHA1_DIGEST_SIZE;
+		hashmode = DRV_HASH_HW_SHA1;
+		break;
+	case DRV_HASH_SHA256:
+	default:
+		blocksize = SHA256_BLOCK_SIZE;
+		digestsize = SHA256_DIGEST_SIZE;
+		hashmode = DRV_HASH_HW_SHA256;
+	}
+
+	if (keylen != 0) {
+
+		key = kmemdup(authkey, keylen, GFP_KERNEL);
+		if (!key)
+			return -ENOMEM;
+
+		key_dma_addr = dma_map_single(dev, key, keylen, DMA_TO_DEVICE);
+		if (dma_mapping_error(dev, key_dma_addr)) {
+			dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
+				key, keylen);
+			kfree_sensitive(key);
+			return -ENOMEM;
+		}
+		if (keylen > blocksize) {
+			/* Load hash initial state */
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], hashmode);
+			larval_addr = cc_larval_digest_addr(ctx->drvdata,
+							    ctx->auth_mode);
+			set_din_sram(&desc[idx], larval_addr, digestsize);
+			set_flow_mode(&desc[idx], S_DIN_to_HASH);
+			set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+			idx++;
+
+			/* Load the hash current length*/
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], hashmode);
+			set_din_const(&desc[idx], 0, ctx->hash_len);
+			set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+			set_flow_mode(&desc[idx], S_DIN_to_HASH);
+			set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+			idx++;
+
+			hw_desc_init(&desc[idx]);
+			set_din_type(&desc[idx], DMA_DLLI,
+				     key_dma_addr, keylen, NS_BIT);
+			set_flow_mode(&desc[idx], DIN_HASH);
+			idx++;
+
+			/* Get hashed key */
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], hashmode);
+			set_dout_dlli(&desc[idx], padded_authkey_dma_addr,
+				      digestsize, NS_BIT, 0);
+			set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+			set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+			set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+			set_cipher_config0(&desc[idx],
+					   HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+			idx++;
+
+			hw_desc_init(&desc[idx]);
+			set_din_const(&desc[idx], 0, (blocksize - digestsize));
+			set_flow_mode(&desc[idx], BYPASS);
+			set_dout_dlli(&desc[idx], (padded_authkey_dma_addr +
+				      digestsize), (blocksize - digestsize),
+				      NS_BIT, 0);
+			idx++;
+		} else {
+			hw_desc_init(&desc[idx]);
+			set_din_type(&desc[idx], DMA_DLLI, key_dma_addr,
+				     keylen, NS_BIT);
+			set_flow_mode(&desc[idx], BYPASS);
+			set_dout_dlli(&desc[idx], padded_authkey_dma_addr,
+				      keylen, NS_BIT, 0);
+			idx++;
+
+			if ((blocksize - keylen) != 0) {
+				hw_desc_init(&desc[idx]);
+				set_din_const(&desc[idx], 0,
+					      (blocksize - keylen));
+				set_flow_mode(&desc[idx], BYPASS);
+				set_dout_dlli(&desc[idx],
+					      (padded_authkey_dma_addr +
+					       keylen),
+					      (blocksize - keylen), NS_BIT, 0);
+				idx++;
+			}
+		}
+	} else {
+		hw_desc_init(&desc[idx]);
+		set_din_const(&desc[idx], 0, (blocksize - keylen));
+		set_flow_mode(&desc[idx], BYPASS);
+		set_dout_dlli(&desc[idx], padded_authkey_dma_addr,
+			      blocksize, NS_BIT, 0);
+		idx++;
+	}
+
+	rc = cc_send_sync_request(ctx->drvdata, &cc_req, desc, idx);
+	if (rc)
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+
+	if (key_dma_addr)
+		dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE);
+
+	kfree_sensitive(key);
+
+	return rc;
+}
+
+static int cc_aead_setkey(struct crypto_aead *tfm, const u8 *key,
+			  unsigned int keylen)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[MAX_AEAD_SETKEY_SEQ];
+	unsigned int seq_len = 0;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	const u8 *enckey, *authkey;
+	int rc;
+
+	dev_dbg(dev, "Setting key in context @%p for %s. key=%p keylen=%u\n",
+		ctx, crypto_tfm_alg_name(crypto_aead_tfm(tfm)), key, keylen);
+
+	/* STAT_PHASE_0: Init and sanity checks */
+
+	if (ctx->auth_mode != DRV_HASH_NULL) { /* authenc() alg. */
+		struct crypto_authenc_keys keys;
+
+		rc = crypto_authenc_extractkeys(&keys, key, keylen);
+		if (rc)
+			return rc;
+		enckey = keys.enckey;
+		authkey = keys.authkey;
+		ctx->enc_keylen = keys.enckeylen;
+		ctx->auth_keylen = keys.authkeylen;
+
+		if (ctx->cipher_mode == DRV_CIPHER_CTR) {
+			/* the nonce is stored in bytes at end of key */
+			if (ctx->enc_keylen <
+			    (AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE))
+				return -EINVAL;
+			/* Copy nonce from last 4 bytes in CTR key to
+			 *  first 4 bytes in CTR IV
+			 */
+			memcpy(ctx->ctr_nonce, enckey + ctx->enc_keylen -
+			       CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE);
+			/* Set CTR key size */
+			ctx->enc_keylen -= CTR_RFC3686_NONCE_SIZE;
+		}
+	} else { /* non-authenc - has just one key */
+		enckey = key;
+		authkey = NULL;
+		ctx->enc_keylen = keylen;
+		ctx->auth_keylen = 0;
+	}
+
+	rc = validate_keys_sizes(ctx);
+	if (rc)
+		return rc;
+
+	/* STAT_PHASE_1: Copy key to ctx */
+
+	/* Get key material */
+	memcpy(ctx->enckey, enckey, ctx->enc_keylen);
+	if (ctx->enc_keylen == 24)
+		memset(ctx->enckey + 24, 0, CC_AES_KEY_SIZE_MAX - 24);
+	if (ctx->auth_mode == DRV_HASH_XCBC_MAC) {
+		memcpy(ctx->auth_state.xcbc.xcbc_keys, authkey,
+		       ctx->auth_keylen);
+	} else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC */
+		rc = cc_get_plain_hmac_key(tfm, authkey, ctx->auth_keylen);
+		if (rc)
+			return rc;
+	}
+
+	/* STAT_PHASE_2: Create sequence */
+
+	switch (ctx->auth_mode) {
+	case DRV_HASH_SHA1:
+	case DRV_HASH_SHA256:
+		seq_len = hmac_setkey(desc, ctx);
+		break;
+	case DRV_HASH_XCBC_MAC:
+		seq_len = xcbc_setkey(desc, ctx);
+		break;
+	case DRV_HASH_NULL: /* non-authenc modes, e.g., CCM */
+		break; /* No auth. key setup */
+	default:
+		dev_err(dev, "Unsupported authenc (%d)\n", ctx->auth_mode);
+		return -ENOTSUPP;
+	}
+
+	/* STAT_PHASE_3: Submit sequence to HW */
+
+	if (seq_len > 0) { /* For CCM there is no sequence to setup the key */
+		rc = cc_send_sync_request(ctx->drvdata, &cc_req, desc, seq_len);
+		if (rc) {
+			dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+			return rc;
+		}
+	}
+
+	/* Update STAT_PHASE_3 */
+	return rc;
+}
+
+static int cc_des3_aead_setkey(struct crypto_aead *aead, const u8 *key,
+			       unsigned int keylen)
+{
+	struct crypto_authenc_keys keys;
+	int err;
+
+	err = crypto_authenc_extractkeys(&keys, key, keylen);
+	if (unlikely(err))
+		return err;
+
+	err = verify_aead_des3_key(aead, keys.enckey, keys.enckeylen) ?:
+	      cc_aead_setkey(aead, key, keylen);
+
+	memzero_explicit(&keys, sizeof(keys));
+	return err;
+}
+
+static int cc_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key,
+				 unsigned int keylen)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+
+	if (keylen < 3)
+		return -EINVAL;
+
+	keylen -= 3;
+	memcpy(ctx->ctr_nonce, key + keylen, 3);
+
+	return cc_aead_setkey(tfm, key, keylen);
+}
+
+static int cc_aead_setauthsize(struct crypto_aead *authenc,
+			       unsigned int authsize)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(authenc);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	/* Unsupported auth. sizes */
+	if (authsize == 0 ||
+	    authsize > crypto_aead_maxauthsize(authenc)) {
+		return -ENOTSUPP;
+	}
+
+	ctx->authsize = authsize;
+	dev_dbg(dev, "authlen=%d\n", ctx->authsize);
+
+	return 0;
+}
+
+static int cc_rfc4309_ccm_setauthsize(struct crypto_aead *authenc,
+				      unsigned int authsize)
+{
+	switch (authsize) {
+	case 8:
+	case 12:
+	case 16:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return cc_aead_setauthsize(authenc, authsize);
+}
+
+static int cc_ccm_setauthsize(struct crypto_aead *authenc,
+			      unsigned int authsize)
+{
+	switch (authsize) {
+	case 4:
+	case 6:
+	case 8:
+	case 10:
+	case 12:
+	case 14:
+	case 16:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return cc_aead_setauthsize(authenc, authsize);
+}
+
+static void cc_set_assoc_desc(struct aead_request *areq, unsigned int flow_mode,
+			      struct cc_hw_desc desc[], unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(areq);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(areq);
+	enum cc_req_dma_buf_type assoc_dma_type = areq_ctx->assoc_buff_type;
+	unsigned int idx = *seq_size;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	switch (assoc_dma_type) {
+	case CC_DMA_BUF_DLLI:
+		dev_dbg(dev, "ASSOC buffer type DLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI, sg_dma_address(areq->src),
+			     areq_ctx->assoclen, NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		if (ctx->auth_mode == DRV_HASH_XCBC_MAC &&
+		    areq_ctx->cryptlen > 0)
+			set_din_not_last_indication(&desc[idx]);
+		break;
+	case CC_DMA_BUF_MLLI:
+		dev_dbg(dev, "ASSOC buffer type MLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_MLLI, areq_ctx->assoc.sram_addr,
+			     areq_ctx->assoc.mlli_nents, NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		if (ctx->auth_mode == DRV_HASH_XCBC_MAC &&
+		    areq_ctx->cryptlen > 0)
+			set_din_not_last_indication(&desc[idx]);
+		break;
+	case CC_DMA_BUF_NULL:
+	default:
+		dev_err(dev, "Invalid ASSOC buffer type\n");
+	}
+
+	*seq_size = (++idx);
+}
+
+static void cc_proc_authen_desc(struct aead_request *areq,
+				unsigned int flow_mode,
+				struct cc_hw_desc desc[],
+				unsigned int *seq_size, int direct)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(areq);
+	enum cc_req_dma_buf_type data_dma_type = areq_ctx->data_buff_type;
+	unsigned int idx = *seq_size;
+	struct crypto_aead *tfm = crypto_aead_reqtfm(areq);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	switch (data_dma_type) {
+	case CC_DMA_BUF_DLLI:
+	{
+		struct scatterlist *cipher =
+			(direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+			areq_ctx->dst_sgl : areq_ctx->src_sgl;
+
+		unsigned int offset =
+			(direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+			areq_ctx->dst_offset : areq_ctx->src_offset;
+		dev_dbg(dev, "AUTHENC: SRC/DST buffer type DLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     (sg_dma_address(cipher) + offset),
+			     areq_ctx->cryptlen, NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		break;
+	}
+	case CC_DMA_BUF_MLLI:
+	{
+		/* DOUBLE-PASS flow (as default)
+		 * assoc. + iv + data -compact in one table
+		 * if assoclen is ZERO only IV perform
+		 */
+		u32 mlli_addr = areq_ctx->assoc.sram_addr;
+		u32 mlli_nents = areq_ctx->assoc.mlli_nents;
+
+		if (areq_ctx->is_single_pass) {
+			if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+				mlli_addr = areq_ctx->dst.sram_addr;
+				mlli_nents = areq_ctx->dst.mlli_nents;
+			} else {
+				mlli_addr = areq_ctx->src.sram_addr;
+				mlli_nents = areq_ctx->src.mlli_nents;
+			}
+		}
+
+		dev_dbg(dev, "AUTHENC: SRC/DST buffer type MLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_MLLI, mlli_addr, mlli_nents,
+			     NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		break;
+	}
+	case CC_DMA_BUF_NULL:
+	default:
+		dev_err(dev, "AUTHENC: Invalid SRC/DST buffer type\n");
+	}
+
+	*seq_size = (++idx);
+}
+
+static void cc_proc_cipher_desc(struct aead_request *areq,
+				unsigned int flow_mode,
+				struct cc_hw_desc desc[],
+				unsigned int *seq_size)
+{
+	unsigned int idx = *seq_size;
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(areq);
+	enum cc_req_dma_buf_type data_dma_type = areq_ctx->data_buff_type;
+	struct crypto_aead *tfm = crypto_aead_reqtfm(areq);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	if (areq_ctx->cryptlen == 0)
+		return; /*null processing*/
+
+	switch (data_dma_type) {
+	case CC_DMA_BUF_DLLI:
+		dev_dbg(dev, "CIPHER: SRC/DST buffer type DLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     (sg_dma_address(areq_ctx->src_sgl) +
+			      areq_ctx->src_offset), areq_ctx->cryptlen,
+			      NS_BIT);
+		set_dout_dlli(&desc[idx],
+			      (sg_dma_address(areq_ctx->dst_sgl) +
+			       areq_ctx->dst_offset),
+			      areq_ctx->cryptlen, NS_BIT, 0);
+		set_flow_mode(&desc[idx], flow_mode);
+		break;
+	case CC_DMA_BUF_MLLI:
+		dev_dbg(dev, "CIPHER: SRC/DST buffer type MLLI\n");
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_MLLI, areq_ctx->src.sram_addr,
+			     areq_ctx->src.mlli_nents, NS_BIT);
+		set_dout_mlli(&desc[idx], areq_ctx->dst.sram_addr,
+			      areq_ctx->dst.mlli_nents, NS_BIT, 0);
+		set_flow_mode(&desc[idx], flow_mode);
+		break;
+	case CC_DMA_BUF_NULL:
+	default:
+		dev_err(dev, "CIPHER: Invalid SRC/DST buffer type\n");
+	}
+
+	*seq_size = (++idx);
+}
+
+static void cc_proc_digest_desc(struct aead_request *req,
+				struct cc_hw_desc desc[],
+				unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int idx = *seq_size;
+	unsigned int hash_mode = (ctx->auth_mode == DRV_HASH_SHA1) ?
+				DRV_HASH_HW_SHA1 : DRV_HASH_HW_SHA256;
+	int direct = req_ctx->gen_ctx.op_type;
+
+	/* Get final ICV result */
+	if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+		hw_desc_init(&desc[idx]);
+		set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+		set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+		set_dout_dlli(&desc[idx], req_ctx->icv_dma_addr, ctx->authsize,
+			      NS_BIT, 1);
+		set_queue_last_ind(ctx->drvdata, &desc[idx]);
+		if (ctx->auth_mode == DRV_HASH_XCBC_MAC) {
+			set_aes_not_hash_mode(&desc[idx]);
+			set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+		} else {
+			set_cipher_config0(&desc[idx],
+					   HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+			set_cipher_mode(&desc[idx], hash_mode);
+		}
+	} else { /*Decrypt*/
+		/* Get ICV out from hardware */
+		hw_desc_init(&desc[idx]);
+		set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+		set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+		set_dout_dlli(&desc[idx], req_ctx->mac_buf_dma_addr,
+			      ctx->authsize, NS_BIT, 1);
+		set_queue_last_ind(ctx->drvdata, &desc[idx]);
+		set_cipher_config0(&desc[idx],
+				   HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+		set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+		if (ctx->auth_mode == DRV_HASH_XCBC_MAC) {
+			set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+			set_aes_not_hash_mode(&desc[idx]);
+		} else {
+			set_cipher_mode(&desc[idx], hash_mode);
+		}
+	}
+
+	*seq_size = (++idx);
+}
+
+static void cc_set_cipher_desc(struct aead_request *req,
+			       struct cc_hw_desc desc[],
+			       unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int hw_iv_size = req_ctx->hw_iv_size;
+	unsigned int idx = *seq_size;
+	int direct = req_ctx->gen_ctx.op_type;
+
+	/* Setup cipher state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_config0(&desc[idx], direct);
+	set_flow_mode(&desc[idx], ctx->flow_mode);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->gen_ctx.iv_dma_addr,
+		     hw_iv_size, NS_BIT);
+	if (ctx->cipher_mode == DRV_CIPHER_CTR)
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	else
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	set_cipher_mode(&desc[idx], ctx->cipher_mode);
+	idx++;
+
+	/* Setup enc. key */
+	hw_desc_init(&desc[idx]);
+	set_cipher_config0(&desc[idx], direct);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_flow_mode(&desc[idx], ctx->flow_mode);
+	if (ctx->flow_mode == S_DIN_to_AES) {
+		set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+			     ((ctx->enc_keylen == 24) ? CC_AES_KEY_SIZE_MAX :
+			      ctx->enc_keylen), NS_BIT);
+		set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	} else {
+		set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+			     ctx->enc_keylen, NS_BIT);
+		set_key_size_des(&desc[idx], ctx->enc_keylen);
+	}
+	set_cipher_mode(&desc[idx], ctx->cipher_mode);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static void cc_proc_cipher(struct aead_request *req, struct cc_hw_desc desc[],
+			   unsigned int *seq_size, unsigned int data_flow_mode)
+{
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	int direct = req_ctx->gen_ctx.op_type;
+	unsigned int idx = *seq_size;
+
+	if (req_ctx->cryptlen == 0)
+		return; /*null processing*/
+
+	cc_set_cipher_desc(req, desc, &idx);
+	cc_proc_cipher_desc(req, data_flow_mode, desc, &idx);
+	if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+		/* We must wait for DMA to write all cipher */
+		hw_desc_init(&desc[idx]);
+		set_din_no_dma(&desc[idx], 0, 0xfffff0);
+		set_dout_no_dma(&desc[idx], 0, 0, 1);
+		idx++;
+	}
+
+	*seq_size = idx;
+}
+
+static void cc_set_hmac_desc(struct aead_request *req, struct cc_hw_desc desc[],
+			     unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	unsigned int hash_mode = (ctx->auth_mode == DRV_HASH_SHA1) ?
+				DRV_HASH_HW_SHA1 : DRV_HASH_HW_SHA256;
+	unsigned int digest_size = (ctx->auth_mode == DRV_HASH_SHA1) ?
+				CC_SHA1_DIGEST_SIZE : CC_SHA256_DIGEST_SIZE;
+	unsigned int idx = *seq_size;
+
+	/* Loading hash ipad xor key state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], hash_mode);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     ctx->auth_state.hmac.ipad_opad_dma_addr, digest_size,
+		     NS_BIT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	/* Load init. digest len (64 bytes) */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], hash_mode);
+	set_din_sram(&desc[idx], cc_digest_len_addr(ctx->drvdata, hash_mode),
+		     ctx->hash_len);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static void cc_set_xcbc_desc(struct aead_request *req, struct cc_hw_desc desc[],
+			     unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	unsigned int idx = *seq_size;
+
+	/* Loading MAC state */
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0, CC_AES_BLOCK_SIZE);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* Setup XCBC MAC K1 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     ctx->auth_state.xcbc.xcbc_keys_dma_addr,
+		     AES_KEYSIZE_128, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* Setup XCBC MAC K2 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     (ctx->auth_state.xcbc.xcbc_keys_dma_addr +
+		      AES_KEYSIZE_128), AES_KEYSIZE_128, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* Setup XCBC MAC K3 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     (ctx->auth_state.xcbc.xcbc_keys_dma_addr +
+		      2 * AES_KEYSIZE_128), AES_KEYSIZE_128, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE2);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static void cc_proc_header_desc(struct aead_request *req,
+				struct cc_hw_desc desc[],
+				unsigned int *seq_size)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	unsigned int idx = *seq_size;
+
+	/* Hash associated data */
+	if (areq_ctx->assoclen > 0)
+		cc_set_assoc_desc(req, DIN_HASH, desc, &idx);
+
+	/* Hash IV */
+	*seq_size = idx;
+}
+
+static void cc_proc_scheme_desc(struct aead_request *req,
+				struct cc_hw_desc desc[],
+				unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct cc_aead_handle *aead_handle = ctx->drvdata->aead_handle;
+	unsigned int hash_mode = (ctx->auth_mode == DRV_HASH_SHA1) ?
+				DRV_HASH_HW_SHA1 : DRV_HASH_HW_SHA256;
+	unsigned int digest_size = (ctx->auth_mode == DRV_HASH_SHA1) ?
+				CC_SHA1_DIGEST_SIZE : CC_SHA256_DIGEST_SIZE;
+	unsigned int idx = *seq_size;
+
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], hash_mode);
+	set_dout_sram(&desc[idx], aead_handle->sram_workspace_addr,
+		      ctx->hash_len);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
+	set_cipher_do(&desc[idx], DO_PAD);
+	idx++;
+
+	/* Get final ICV result */
+	hw_desc_init(&desc[idx]);
+	set_dout_sram(&desc[idx], aead_handle->sram_workspace_addr,
+		      digest_size);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_config0(&desc[idx], HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+	set_cipher_mode(&desc[idx], hash_mode);
+	idx++;
+
+	/* Loading hash opad xor key state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], hash_mode);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     (ctx->auth_state.hmac.ipad_opad_dma_addr + digest_size),
+		     digest_size, NS_BIT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	/* Load init. digest len (64 bytes) */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], hash_mode);
+	set_din_sram(&desc[idx], cc_digest_len_addr(ctx->drvdata, hash_mode),
+		     ctx->hash_len);
+	set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	/* Perform HASH update */
+	hw_desc_init(&desc[idx]);
+	set_din_sram(&desc[idx], aead_handle->sram_workspace_addr,
+		     digest_size);
+	set_flow_mode(&desc[idx], DIN_HASH);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static void cc_mlli_to_sram(struct aead_request *req,
+			    struct cc_hw_desc desc[], unsigned int *seq_size)
+{
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	if ((req_ctx->assoc_buff_type == CC_DMA_BUF_MLLI ||
+	    req_ctx->data_buff_type == CC_DMA_BUF_MLLI ||
+	    !req_ctx->is_single_pass) && req_ctx->mlli_params.mlli_len) {
+		dev_dbg(dev, "Copy-to-sram: mlli_dma=%08x, mlli_size=%u\n",
+			ctx->drvdata->mlli_sram_addr,
+			req_ctx->mlli_params.mlli_len);
+		/* Copy MLLI table host-to-sram */
+		hw_desc_init(&desc[*seq_size]);
+		set_din_type(&desc[*seq_size], DMA_DLLI,
+			     req_ctx->mlli_params.mlli_dma_addr,
+			     req_ctx->mlli_params.mlli_len, NS_BIT);
+		set_dout_sram(&desc[*seq_size],
+			      ctx->drvdata->mlli_sram_addr,
+			      req_ctx->mlli_params.mlli_len);
+		set_flow_mode(&desc[*seq_size], BYPASS);
+		(*seq_size)++;
+	}
+}
+
+static enum cc_flow_mode cc_get_data_flow(enum drv_crypto_direction direct,
+					  enum cc_flow_mode setup_flow_mode,
+					  bool is_single_pass)
+{
+	enum cc_flow_mode data_flow_mode;
+
+	if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+		if (setup_flow_mode == S_DIN_to_AES)
+			data_flow_mode = is_single_pass ?
+				AES_to_HASH_and_DOUT : DIN_AES_DOUT;
+		else
+			data_flow_mode = is_single_pass ?
+				DES_to_HASH_and_DOUT : DIN_DES_DOUT;
+	} else { /* Decrypt */
+		if (setup_flow_mode == S_DIN_to_AES)
+			data_flow_mode = is_single_pass ?
+				AES_and_HASH : DIN_AES_DOUT;
+		else
+			data_flow_mode = is_single_pass ?
+				DES_and_HASH : DIN_DES_DOUT;
+	}
+
+	return data_flow_mode;
+}
+
+static void cc_hmac_authenc(struct aead_request *req, struct cc_hw_desc desc[],
+			    unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	int direct = req_ctx->gen_ctx.op_type;
+	unsigned int data_flow_mode =
+		cc_get_data_flow(direct, ctx->flow_mode,
+				 req_ctx->is_single_pass);
+
+	if (req_ctx->is_single_pass) {
+		/*
+		 * Single-pass flow
+		 */
+		cc_set_hmac_desc(req, desc, seq_size);
+		cc_set_cipher_desc(req, desc, seq_size);
+		cc_proc_header_desc(req, desc, seq_size);
+		cc_proc_cipher_desc(req, data_flow_mode, desc, seq_size);
+		cc_proc_scheme_desc(req, desc, seq_size);
+		cc_proc_digest_desc(req, desc, seq_size);
+		return;
+	}
+
+	/*
+	 * Double-pass flow
+	 * Fallback for unsupported single-pass modes,
+	 * i.e. using assoc. data of non-word-multiple
+	 */
+	if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+		/* encrypt first.. */
+		cc_proc_cipher(req, desc, seq_size, data_flow_mode);
+		/* authenc after..*/
+		cc_set_hmac_desc(req, desc, seq_size);
+		cc_proc_authen_desc(req, DIN_HASH, desc, seq_size, direct);
+		cc_proc_scheme_desc(req, desc, seq_size);
+		cc_proc_digest_desc(req, desc, seq_size);
+
+	} else { /*DECRYPT*/
+		/* authenc first..*/
+		cc_set_hmac_desc(req, desc, seq_size);
+		cc_proc_authen_desc(req, DIN_HASH, desc, seq_size, direct);
+		cc_proc_scheme_desc(req, desc, seq_size);
+		/* decrypt after.. */
+		cc_proc_cipher(req, desc, seq_size, data_flow_mode);
+		/* read the digest result with setting the completion bit
+		 * must be after the cipher operation
+		 */
+		cc_proc_digest_desc(req, desc, seq_size);
+	}
+}
+
+static void
+cc_xcbc_authenc(struct aead_request *req, struct cc_hw_desc desc[],
+		unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	int direct = req_ctx->gen_ctx.op_type;
+	unsigned int data_flow_mode =
+		cc_get_data_flow(direct, ctx->flow_mode,
+				 req_ctx->is_single_pass);
+
+	if (req_ctx->is_single_pass) {
+		/*
+		 * Single-pass flow
+		 */
+		cc_set_xcbc_desc(req, desc, seq_size);
+		cc_set_cipher_desc(req, desc, seq_size);
+		cc_proc_header_desc(req, desc, seq_size);
+		cc_proc_cipher_desc(req, data_flow_mode, desc, seq_size);
+		cc_proc_digest_desc(req, desc, seq_size);
+		return;
+	}
+
+	/*
+	 * Double-pass flow
+	 * Fallback for unsupported single-pass modes,
+	 * i.e. using assoc. data of non-word-multiple
+	 */
+	if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) {
+		/* encrypt first.. */
+		cc_proc_cipher(req, desc, seq_size, data_flow_mode);
+		/* authenc after.. */
+		cc_set_xcbc_desc(req, desc, seq_size);
+		cc_proc_authen_desc(req, DIN_HASH, desc, seq_size, direct);
+		cc_proc_digest_desc(req, desc, seq_size);
+	} else { /*DECRYPT*/
+		/* authenc first.. */
+		cc_set_xcbc_desc(req, desc, seq_size);
+		cc_proc_authen_desc(req, DIN_HASH, desc, seq_size, direct);
+		/* decrypt after..*/
+		cc_proc_cipher(req, desc, seq_size, data_flow_mode);
+		/* read the digest result with setting the completion bit
+		 * must be after the cipher operation
+		 */
+		cc_proc_digest_desc(req, desc, seq_size);
+	}
+}
+
+static int validate_data_size(struct cc_aead_ctx *ctx,
+			      enum drv_crypto_direction direct,
+			      struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	unsigned int assoclen = areq_ctx->assoclen;
+	unsigned int cipherlen = (direct == DRV_CRYPTO_DIRECTION_DECRYPT) ?
+			(req->cryptlen - ctx->authsize) : req->cryptlen;
+
+	if (direct == DRV_CRYPTO_DIRECTION_DECRYPT &&
+	    req->cryptlen < ctx->authsize)
+		goto data_size_err;
+
+	areq_ctx->is_single_pass = true; /*defaulted to fast flow*/
+
+	switch (ctx->flow_mode) {
+	case S_DIN_to_AES:
+		if (ctx->cipher_mode == DRV_CIPHER_CBC &&
+		    !IS_ALIGNED(cipherlen, AES_BLOCK_SIZE))
+			goto data_size_err;
+		if (ctx->cipher_mode == DRV_CIPHER_CCM)
+			break;
+		if (ctx->cipher_mode == DRV_CIPHER_GCTR) {
+			if (areq_ctx->plaintext_authenticate_only)
+				areq_ctx->is_single_pass = false;
+			break;
+		}
+
+		if (!IS_ALIGNED(assoclen, sizeof(u32)))
+			areq_ctx->is_single_pass = false;
+
+		if (ctx->cipher_mode == DRV_CIPHER_CTR &&
+		    !IS_ALIGNED(cipherlen, sizeof(u32)))
+			areq_ctx->is_single_pass = false;
+
+		break;
+	case S_DIN_to_DES:
+		if (!IS_ALIGNED(cipherlen, DES_BLOCK_SIZE))
+			goto data_size_err;
+		if (!IS_ALIGNED(assoclen, DES_BLOCK_SIZE))
+			areq_ctx->is_single_pass = false;
+		break;
+	default:
+		dev_err(dev, "Unexpected flow mode (%d)\n", ctx->flow_mode);
+		goto data_size_err;
+	}
+
+	return 0;
+
+data_size_err:
+	return -EINVAL;
+}
+
+static unsigned int format_ccm_a0(u8 *pa0_buff, u32 header_size)
+{
+	unsigned int len = 0;
+
+	if (header_size == 0)
+		return 0;
+
+	if (header_size < ((1UL << 16) - (1UL << 8))) {
+		len = 2;
+
+		pa0_buff[0] = (header_size >> 8) & 0xFF;
+		pa0_buff[1] = header_size & 0xFF;
+	} else {
+		len = 6;
+
+		pa0_buff[0] = 0xFF;
+		pa0_buff[1] = 0xFE;
+		pa0_buff[2] = (header_size >> 24) & 0xFF;
+		pa0_buff[3] = (header_size >> 16) & 0xFF;
+		pa0_buff[4] = (header_size >> 8) & 0xFF;
+		pa0_buff[5] = header_size & 0xFF;
+	}
+
+	return len;
+}
+
+static int set_msg_len(u8 *block, unsigned int msglen, unsigned int csize)
+{
+	__be32 data;
+
+	memset(block, 0, csize);
+	block += csize;
+
+	if (csize >= 4)
+		csize = 4;
+	else if (msglen > (1 << (8 * csize)))
+		return -EOVERFLOW;
+
+	data = cpu_to_be32(msglen);
+	memcpy(block - csize, (u8 *)&data + 4 - csize, csize);
+
+	return 0;
+}
+
+static int cc_ccm(struct aead_request *req, struct cc_hw_desc desc[],
+		  unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int idx = *seq_size;
+	unsigned int cipher_flow_mode;
+	dma_addr_t mac_result;
+
+	if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		cipher_flow_mode = AES_to_HASH_and_DOUT;
+		mac_result = req_ctx->mac_buf_dma_addr;
+	} else { /* Encrypt */
+		cipher_flow_mode = AES_and_HASH;
+		mac_result = req_ctx->icv_dma_addr;
+	}
+
+	/* load key */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CTR);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+		     ((ctx->enc_keylen == 24) ?  CC_AES_KEY_SIZE_MAX :
+		      ctx->enc_keylen), NS_BIT);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* load ctr state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CTR);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     req_ctx->gen_ctx.iv_dma_addr, AES_BLOCK_SIZE, NS_BIT);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* load MAC key */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CBC_MAC);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+		     ((ctx->enc_keylen == 24) ?  CC_AES_KEY_SIZE_MAX :
+		      ctx->enc_keylen), NS_BIT);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* load MAC state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CBC_MAC);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->mac_buf_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* process assoc data */
+	if (req_ctx->assoclen > 0) {
+		cc_set_assoc_desc(req, DIN_HASH, desc, &idx);
+	} else {
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     sg_dma_address(&req_ctx->ccm_adata_sg),
+			     AES_BLOCK_SIZE + req_ctx->ccm_hdr_size, NS_BIT);
+		set_flow_mode(&desc[idx], DIN_HASH);
+		idx++;
+	}
+
+	/* process the cipher */
+	if (req_ctx->cryptlen)
+		cc_proc_cipher_desc(req, cipher_flow_mode, desc, &idx);
+
+	/* Read temporal MAC */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CBC_MAC);
+	set_dout_dlli(&desc[idx], req_ctx->mac_buf_dma_addr, ctx->authsize,
+		      NS_BIT, 0);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_config0(&desc[idx], HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_aes_not_hash_mode(&desc[idx]);
+	idx++;
+
+	/* load AES-CTR state (for last MAC calculation)*/
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CTR);
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->ccm_iv0_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	hw_desc_init(&desc[idx]);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	idx++;
+
+	/* encrypt the "T" value and store MAC in mac_state */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->mac_buf_dma_addr,
+		     ctx->authsize, NS_BIT);
+	set_dout_dlli(&desc[idx], mac_result, ctx->authsize, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	idx++;
+
+	*seq_size = idx;
+	return 0;
+}
+
+static int config_ccm_adata(struct aead_request *req)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	//unsigned int size_of_a = 0, rem_a_size = 0;
+	unsigned int lp = req->iv[0];
+	/* Note: The code assume that req->iv[0] already contains the value
+	 * of L' of RFC3610
+	 */
+	unsigned int l = lp + 1;  /* This is L' of RFC 3610. */
+	unsigned int m = ctx->authsize;  /* This is M' of RFC 3610. */
+	u8 *b0 = req_ctx->ccm_config + CCM_B0_OFFSET;
+	u8 *a0 = req_ctx->ccm_config + CCM_A0_OFFSET;
+	u8 *ctr_count_0 = req_ctx->ccm_config + CCM_CTR_COUNT_0_OFFSET;
+	unsigned int cryptlen = (req_ctx->gen_ctx.op_type ==
+				 DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+				req->cryptlen :
+				(req->cryptlen - ctx->authsize);
+	int rc;
+
+	memset(req_ctx->mac_buf, 0, AES_BLOCK_SIZE);
+	memset(req_ctx->ccm_config, 0, AES_BLOCK_SIZE * 3);
+
+	/* taken from crypto/ccm.c */
+	/* 2 <= L <= 8, so 1 <= L' <= 7. */
+	if (l < 2 || l > 8) {
+		dev_dbg(dev, "illegal iv value %X\n", req->iv[0]);
+		return -EINVAL;
+	}
+	memcpy(b0, req->iv, AES_BLOCK_SIZE);
+
+	/* format control info per RFC 3610 and
+	 * NIST Special Publication 800-38C
+	 */
+	*b0 |= (8 * ((m - 2) / 2));
+	if (req_ctx->assoclen > 0)
+		*b0 |= 64;  /* Enable bit 6 if Adata exists. */
+
+	rc = set_msg_len(b0 + 16 - l, cryptlen, l);  /* Write L'. */
+	if (rc) {
+		dev_err(dev, "message len overflow detected");
+		return rc;
+	}
+	 /* END of "taken from crypto/ccm.c" */
+
+	/* l(a) - size of associated data. */
+	req_ctx->ccm_hdr_size = format_ccm_a0(a0, req_ctx->assoclen);
+
+	memset(req->iv + 15 - req->iv[0], 0, req->iv[0] + 1);
+	req->iv[15] = 1;
+
+	memcpy(ctr_count_0, req->iv, AES_BLOCK_SIZE);
+	ctr_count_0[15] = 0;
+
+	return 0;
+}
+
+static void cc_proc_rfc4309_ccm(struct aead_request *req)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+
+	/* L' */
+	memset(areq_ctx->ctr_iv, 0, AES_BLOCK_SIZE);
+	/* For RFC 4309, always use 4 bytes for message length
+	 * (at most 2^32-1 bytes).
+	 */
+	areq_ctx->ctr_iv[0] = 3;
+
+	/* In RFC 4309 there is an 11-bytes nonce+IV part,
+	 * that we build here.
+	 */
+	memcpy(areq_ctx->ctr_iv + CCM_BLOCK_NONCE_OFFSET, ctx->ctr_nonce,
+	       CCM_BLOCK_NONCE_SIZE);
+	memcpy(areq_ctx->ctr_iv + CCM_BLOCK_IV_OFFSET, req->iv,
+	       CCM_BLOCK_IV_SIZE);
+	req->iv = areq_ctx->ctr_iv;
+}
+
+static void cc_set_ghash_desc(struct aead_request *req,
+			      struct cc_hw_desc desc[], unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int idx = *seq_size;
+
+	/* load key to AES*/
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_ECB);
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+		     ctx->enc_keylen, NS_BIT);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* process one zero block to generate hkey */
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0x0, AES_BLOCK_SIZE);
+	set_dout_dlli(&desc[idx], req_ctx->hkey_dma_addr, AES_BLOCK_SIZE,
+		      NS_BIT, 0);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	idx++;
+
+	/* Memory Barrier */
+	hw_desc_init(&desc[idx]);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	idx++;
+
+	/* Load GHASH subkey */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->hkey_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_HASH_HW_GHASH);
+	set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	/* Configure Hash Engine to work with GHASH.
+	 * Since it was not possible to extend HASH submodes to add GHASH,
+	 * The following command is necessary in order to
+	 * select GHASH (according to HW designers)
+	 */
+	hw_desc_init(&desc[idx]);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_HASH_HW_GHASH);
+	set_cipher_do(&desc[idx], 1); //1=AES_SK RKEK
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	/* Load GHASH initial STATE (which is 0). (for any hash there is an
+	 * initial state)
+	 */
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0x0, AES_BLOCK_SIZE);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_aes_not_hash_mode(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_HASH_HW_GHASH);
+	set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static void cc_set_gctr_desc(struct aead_request *req, struct cc_hw_desc desc[],
+			     unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int idx = *seq_size;
+
+	/* load key to AES*/
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_GCTR);
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->enckey_dma_addr,
+		     ctx->enc_keylen, NS_BIT);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	if (req_ctx->cryptlen && !req_ctx->plaintext_authenticate_only) {
+		/* load AES/CTR initial CTR value inc by 2*/
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], DRV_CIPHER_GCTR);
+		set_key_size_aes(&desc[idx], ctx->enc_keylen);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     req_ctx->gcm_iv_inc2_dma_addr, AES_BLOCK_SIZE,
+			     NS_BIT);
+		set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+		set_flow_mode(&desc[idx], S_DIN_to_AES);
+		idx++;
+	}
+
+	*seq_size = idx;
+}
+
+static void cc_proc_gcm_result(struct aead_request *req,
+			       struct cc_hw_desc desc[],
+			       unsigned int *seq_size)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	dma_addr_t mac_result;
+	unsigned int idx = *seq_size;
+
+	if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		mac_result = req_ctx->mac_buf_dma_addr;
+	} else { /* Encrypt */
+		mac_result = req_ctx->icv_dma_addr;
+	}
+
+	/* process(ghash) gcm_block_len */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->gcm_block_len_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_flow_mode(&desc[idx], DIN_HASH);
+	idx++;
+
+	/* Store GHASH state after GHASH(Associated Data + Cipher +LenBlock) */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_HASH_HW_GHASH);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_dlli(&desc[idx], req_ctx->mac_buf_dma_addr, AES_BLOCK_SIZE,
+		      NS_BIT, 0);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_aes_not_hash_mode(&desc[idx]);
+
+	idx++;
+
+	/* load AES/CTR initial CTR value inc by 1*/
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_GCTR);
+	set_key_size_aes(&desc[idx], ctx->enc_keylen);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->gcm_iv_inc1_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* Memory Barrier */
+	hw_desc_init(&desc[idx]);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	idx++;
+
+	/* process GCTR on stored GHASH and store MAC in mac_state*/
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_GCTR);
+	set_din_type(&desc[idx], DMA_DLLI, req_ctx->mac_buf_dma_addr,
+		     AES_BLOCK_SIZE, NS_BIT);
+	set_dout_dlli(&desc[idx], mac_result, ctx->authsize, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	idx++;
+
+	*seq_size = idx;
+}
+
+static int cc_gcm(struct aead_request *req, struct cc_hw_desc desc[],
+		  unsigned int *seq_size)
+{
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	unsigned int cipher_flow_mode;
+
+	//in RFC4543 no data to encrypt. just copy data from src to dest.
+	if (req_ctx->plaintext_authenticate_only) {
+		cc_proc_cipher_desc(req, BYPASS, desc, seq_size);
+		cc_set_ghash_desc(req, desc, seq_size);
+		/* process(ghash) assoc data */
+		cc_set_assoc_desc(req, DIN_HASH, desc, seq_size);
+		cc_set_gctr_desc(req, desc, seq_size);
+		cc_proc_gcm_result(req, desc, seq_size);
+		return 0;
+	}
+
+	if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		cipher_flow_mode = AES_and_HASH;
+	} else { /* Encrypt */
+		cipher_flow_mode = AES_to_HASH_and_DOUT;
+	}
+
+	// for gcm and rfc4106.
+	cc_set_ghash_desc(req, desc, seq_size);
+	/* process(ghash) assoc data */
+	if (req_ctx->assoclen > 0)
+		cc_set_assoc_desc(req, DIN_HASH, desc, seq_size);
+	cc_set_gctr_desc(req, desc, seq_size);
+	/* process(gctr+ghash) */
+	if (req_ctx->cryptlen)
+		cc_proc_cipher_desc(req, cipher_flow_mode, desc, seq_size);
+	cc_proc_gcm_result(req, desc, seq_size);
+
+	return 0;
+}
+
+static int config_gcm_context(struct aead_request *req)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *req_ctx = aead_request_ctx(req);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	unsigned int cryptlen = (req_ctx->gen_ctx.op_type ==
+				 DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+				req->cryptlen :
+				(req->cryptlen - ctx->authsize);
+	__be32 counter = cpu_to_be32(2);
+
+	dev_dbg(dev, "%s() cryptlen = %d, req_ctx->assoclen = %d ctx->authsize = %d\n",
+		__func__, cryptlen, req_ctx->assoclen, ctx->authsize);
+
+	memset(req_ctx->hkey, 0, AES_BLOCK_SIZE);
+
+	memset(req_ctx->mac_buf, 0, AES_BLOCK_SIZE);
+
+	memcpy(req->iv + 12, &counter, 4);
+	memcpy(req_ctx->gcm_iv_inc2, req->iv, 16);
+
+	counter = cpu_to_be32(1);
+	memcpy(req->iv + 12, &counter, 4);
+	memcpy(req_ctx->gcm_iv_inc1, req->iv, 16);
+
+	if (!req_ctx->plaintext_authenticate_only) {
+		__be64 temp64;
+
+		temp64 = cpu_to_be64(req_ctx->assoclen * 8);
+		memcpy(&req_ctx->gcm_len_block.len_a, &temp64, sizeof(temp64));
+		temp64 = cpu_to_be64(cryptlen * 8);
+		memcpy(&req_ctx->gcm_len_block.len_c, &temp64, 8);
+	} else {
+		/* rfc4543=>  all data(AAD,IV,Plain) are considered additional
+		 * data that is nothing is encrypted.
+		 */
+		__be64 temp64;
+
+		temp64 = cpu_to_be64((req_ctx->assoclen + cryptlen) * 8);
+		memcpy(&req_ctx->gcm_len_block.len_a, &temp64, sizeof(temp64));
+		temp64 = 0;
+		memcpy(&req_ctx->gcm_len_block.len_c, &temp64, 8);
+	}
+
+	return 0;
+}
+
+static void cc_proc_rfc4_gcm(struct aead_request *req)
+{
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+
+	memcpy(areq_ctx->ctr_iv + GCM_BLOCK_RFC4_NONCE_OFFSET,
+	       ctx->ctr_nonce, GCM_BLOCK_RFC4_NONCE_SIZE);
+	memcpy(areq_ctx->ctr_iv + GCM_BLOCK_RFC4_IV_OFFSET, req->iv,
+	       GCM_BLOCK_RFC4_IV_SIZE);
+	req->iv = areq_ctx->ctr_iv;
+}
+
+static int cc_proc_aead(struct aead_request *req,
+			enum drv_crypto_direction direct)
+{
+	int rc = 0;
+	int seq_len = 0;
+	struct cc_hw_desc desc[MAX_AEAD_PROCESS_SEQ];
+	struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct cc_crypto_req cc_req = {};
+
+	dev_dbg(dev, "%s context=%p req=%p iv=%p src=%p src_ofs=%d dst=%p dst_ofs=%d cryptolen=%d\n",
+		((direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? "Enc" : "Dec"),
+		ctx, req, req->iv, sg_virt(req->src), req->src->offset,
+		sg_virt(req->dst), req->dst->offset, req->cryptlen);
+
+	/* STAT_PHASE_0: Init and sanity checks */
+
+	/* Check data length according to mode */
+	if (validate_data_size(ctx, direct, req)) {
+		dev_err(dev, "Unsupported crypt/assoc len %d/%d.\n",
+			req->cryptlen, areq_ctx->assoclen);
+		return -EINVAL;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_aead_complete;
+	cc_req.user_arg = req;
+
+	/* Setup request context */
+	areq_ctx->gen_ctx.op_type = direct;
+	areq_ctx->req_authsize = ctx->authsize;
+	areq_ctx->cipher_mode = ctx->cipher_mode;
+
+	/* STAT_PHASE_1: Map buffers */
+
+	if (ctx->cipher_mode == DRV_CIPHER_CTR) {
+		/* Build CTR IV - Copy nonce from last 4 bytes in
+		 * CTR key to first 4 bytes in CTR IV
+		 */
+		memcpy(areq_ctx->ctr_iv, ctx->ctr_nonce,
+		       CTR_RFC3686_NONCE_SIZE);
+		memcpy(areq_ctx->ctr_iv + CTR_RFC3686_NONCE_SIZE, req->iv,
+		       CTR_RFC3686_IV_SIZE);
+		/* Initialize counter portion of counter block */
+		*(__be32 *)(areq_ctx->ctr_iv + CTR_RFC3686_NONCE_SIZE +
+			    CTR_RFC3686_IV_SIZE) = cpu_to_be32(1);
+
+		/* Replace with counter iv */
+		req->iv = areq_ctx->ctr_iv;
+		areq_ctx->hw_iv_size = CTR_RFC3686_BLOCK_SIZE;
+	} else if ((ctx->cipher_mode == DRV_CIPHER_CCM) ||
+		   (ctx->cipher_mode == DRV_CIPHER_GCTR)) {
+		areq_ctx->hw_iv_size = AES_BLOCK_SIZE;
+		if (areq_ctx->ctr_iv != req->iv) {
+			memcpy(areq_ctx->ctr_iv, req->iv,
+			       crypto_aead_ivsize(tfm));
+			req->iv = areq_ctx->ctr_iv;
+		}
+	}  else {
+		areq_ctx->hw_iv_size = crypto_aead_ivsize(tfm);
+	}
+
+	if (ctx->cipher_mode == DRV_CIPHER_CCM) {
+		rc = config_ccm_adata(req);
+		if (rc) {
+			dev_dbg(dev, "config_ccm_adata() returned with a failure %d!",
+				rc);
+			goto exit;
+		}
+	} else {
+		areq_ctx->ccm_hdr_size = ccm_header_size_null;
+	}
+
+	if (ctx->cipher_mode == DRV_CIPHER_GCTR) {
+		rc = config_gcm_context(req);
+		if (rc) {
+			dev_dbg(dev, "config_gcm_context() returned with a failure %d!",
+				rc);
+			goto exit;
+		}
+	}
+
+	rc = cc_map_aead_request(ctx->drvdata, req);
+	if (rc) {
+		dev_err(dev, "map_request() failed\n");
+		goto exit;
+	}
+
+	/* STAT_PHASE_2: Create sequence */
+
+	/* Load MLLI tables to SRAM if necessary */
+	cc_mlli_to_sram(req, desc, &seq_len);
+
+	switch (ctx->auth_mode) {
+	case DRV_HASH_SHA1:
+	case DRV_HASH_SHA256:
+		cc_hmac_authenc(req, desc, &seq_len);
+		break;
+	case DRV_HASH_XCBC_MAC:
+		cc_xcbc_authenc(req, desc, &seq_len);
+		break;
+	case DRV_HASH_NULL:
+		if (ctx->cipher_mode == DRV_CIPHER_CCM)
+			cc_ccm(req, desc, &seq_len);
+		if (ctx->cipher_mode == DRV_CIPHER_GCTR)
+			cc_gcm(req, desc, &seq_len);
+		break;
+	default:
+		dev_err(dev, "Unsupported authenc (%d)\n", ctx->auth_mode);
+		cc_unmap_aead_request(dev, req);
+		rc = -ENOTSUPP;
+		goto exit;
+	}
+
+	/* STAT_PHASE_3: Lock HW and push sequence */
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, seq_len, &req->base);
+
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_aead_request(dev, req);
+	}
+
+exit:
+	return rc;
+}
+
+static int cc_aead_encrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen;
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+
+	return rc;
+}
+
+static int cc_rfc4309_ccm_encrypt(struct aead_request *req)
+{
+	/* Very similar to cc_aead_encrypt() above. */
+
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen - CCM_BLOCK_IV_SIZE;
+
+	cc_proc_rfc4309_ccm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+out:
+	return rc;
+}
+
+static int cc_aead_decrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen;
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_DECRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+
+	return rc;
+}
+
+static int cc_rfc4309_ccm_decrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen - CCM_BLOCK_IV_SIZE;
+
+	cc_proc_rfc4309_ccm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_DECRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+
+out:
+	return rc;
+}
+
+static int cc_rfc4106_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
+				 unsigned int keylen)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "%s()  keylen %d, key %p\n", __func__, keylen, key);
+
+	if (keylen < 4)
+		return -EINVAL;
+
+	keylen -= 4;
+	memcpy(ctx->ctr_nonce, key + keylen, 4);
+
+	return cc_aead_setkey(tfm, key, keylen);
+}
+
+static int cc_rfc4543_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
+				 unsigned int keylen)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "%s()  keylen %d, key %p\n", __func__, keylen, key);
+
+	if (keylen < 4)
+		return -EINVAL;
+
+	keylen -= 4;
+	memcpy(ctx->ctr_nonce, key + keylen, 4);
+
+	return cc_aead_setkey(tfm, key, keylen);
+}
+
+static int cc_gcm_setauthsize(struct crypto_aead *authenc,
+			      unsigned int authsize)
+{
+	switch (authsize) {
+	case 4:
+	case 8:
+	case 12:
+	case 13:
+	case 14:
+	case 15:
+	case 16:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return cc_aead_setauthsize(authenc, authsize);
+}
+
+static int cc_rfc4106_gcm_setauthsize(struct crypto_aead *authenc,
+				      unsigned int authsize)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(authenc);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "authsize %d\n", authsize);
+
+	switch (authsize) {
+	case 8:
+	case 12:
+	case 16:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return cc_aead_setauthsize(authenc, authsize);
+}
+
+static int cc_rfc4543_gcm_setauthsize(struct crypto_aead *authenc,
+				      unsigned int authsize)
+{
+	struct cc_aead_ctx *ctx = crypto_aead_ctx(authenc);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "authsize %d\n", authsize);
+
+	if (authsize != 16)
+		return -EINVAL;
+
+	return cc_aead_setauthsize(authenc, authsize);
+}
+
+static int cc_rfc4106_gcm_encrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen - GCM_BLOCK_RFC4_IV_SIZE;
+
+	cc_proc_rfc4_gcm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+out:
+	return rc;
+}
+
+static int cc_rfc4543_gcm_encrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	//plaintext is not encryped with rfc4543
+	areq_ctx->plaintext_authenticate_only = true;
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen;
+
+	cc_proc_rfc4_gcm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+out:
+	return rc;
+}
+
+static int cc_rfc4106_gcm_decrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen - GCM_BLOCK_RFC4_IV_SIZE;
+
+	cc_proc_rfc4_gcm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_DECRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+out:
+	return rc;
+}
+
+static int cc_rfc4543_gcm_decrypt(struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc;
+
+	rc = crypto_ipsec_check_assoclen(req->assoclen);
+	if (rc)
+		goto out;
+
+	memset(areq_ctx, 0, sizeof(*areq_ctx));
+
+	//plaintext is not decryped with rfc4543
+	areq_ctx->plaintext_authenticate_only = true;
+
+	/* No generated IV required */
+	areq_ctx->backup_iv = req->iv;
+	areq_ctx->assoclen = req->assoclen;
+
+	cc_proc_rfc4_gcm(req);
+
+	rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_DECRYPT);
+	if (rc != -EINPROGRESS && rc != -EBUSY)
+		req->iv = areq_ctx->backup_iv;
+out:
+	return rc;
+}
+
+/* aead alg */
+static struct cc_alg_template aead_algs[] = {
+	{
+		.name = "authenc(hmac(sha1),cbc(aes))",
+		.driver_name = "authenc-hmac-sha1-cbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = SHA1_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_SHA1,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(hmac(sha1),cbc(des3_ede))",
+		.driver_name = "authenc-hmac-sha1-cbc-des3-ccree",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = cc_des3_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			.maxauthsize = SHA1_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_DES,
+		.auth_mode = DRV_HASH_SHA1,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(hmac(sha256),cbc(aes))",
+		.driver_name = "authenc-hmac-sha256-cbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = SHA256_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_SHA256,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(hmac(sha256),cbc(des3_ede))",
+		.driver_name = "authenc-hmac-sha256-cbc-des3-ccree",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = cc_des3_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			.maxauthsize = SHA256_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_DES,
+		.auth_mode = DRV_HASH_SHA256,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(xcbc(aes),cbc(aes))",
+		.driver_name = "authenc-xcbc-aes-cbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_XCBC_MAC,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
+		.driver_name = "authenc-hmac-sha1-rfc3686-ctr-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = CTR_RFC3686_IV_SIZE,
+			.maxauthsize = SHA1_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_SHA1,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
+		.driver_name = "authenc-hmac-sha256-rfc3686-ctr-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = CTR_RFC3686_IV_SIZE,
+			.maxauthsize = SHA256_DIGEST_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_SHA256,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "authenc(xcbc(aes),rfc3686(ctr(aes)))",
+		.driver_name = "authenc-xcbc-aes-rfc3686-ctr-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_aead_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = CTR_RFC3686_IV_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_XCBC_MAC,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ccm(aes)",
+		.driver_name = "ccm-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_ccm_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = AES_BLOCK_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CCM,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_NULL,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "rfc4309(ccm(aes))",
+		.driver_name = "rfc4309-ccm-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_rfc4309_ccm_setkey,
+			.setauthsize = cc_rfc4309_ccm_setauthsize,
+			.encrypt = cc_rfc4309_ccm_encrypt,
+			.decrypt = cc_rfc4309_ccm_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = CCM_BLOCK_IV_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CCM,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_NULL,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "gcm(aes)",
+		.driver_name = "gcm-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_aead_setkey,
+			.setauthsize = cc_gcm_setauthsize,
+			.encrypt = cc_aead_encrypt,
+			.decrypt = cc_aead_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = 12,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_GCTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_NULL,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "rfc4106(gcm(aes))",
+		.driver_name = "rfc4106-gcm-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_rfc4106_gcm_setkey,
+			.setauthsize = cc_rfc4106_gcm_setauthsize,
+			.encrypt = cc_rfc4106_gcm_encrypt,
+			.decrypt = cc_rfc4106_gcm_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = GCM_BLOCK_RFC4_IV_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_GCTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_NULL,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "rfc4543(gcm(aes))",
+		.driver_name = "rfc4543-gcm-aes-ccree",
+		.blocksize = 1,
+		.template_aead = {
+			.setkey = cc_rfc4543_gcm_setkey,
+			.setauthsize = cc_rfc4543_gcm_setauthsize,
+			.encrypt = cc_rfc4543_gcm_encrypt,
+			.decrypt = cc_rfc4543_gcm_decrypt,
+			.init = cc_aead_init,
+			.exit = cc_aead_exit,
+			.ivsize = GCM_BLOCK_RFC4_IV_SIZE,
+			.maxauthsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_GCTR,
+		.flow_mode = S_DIN_to_AES,
+		.auth_mode = DRV_HASH_NULL,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+};
+
+static struct cc_crypto_alg *cc_create_aead_alg(struct cc_alg_template *tmpl,
+						struct device *dev)
+{
+	struct cc_crypto_alg *t_alg;
+	struct aead_alg *alg;
+
+	t_alg = devm_kzalloc(dev, sizeof(*t_alg), GFP_KERNEL);
+	if (!t_alg)
+		return ERR_PTR(-ENOMEM);
+
+	alg = &tmpl->template_aead;
+
+	snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
+	snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
+		 tmpl->driver_name);
+	alg->base.cra_module = THIS_MODULE;
+	alg->base.cra_priority = CC_CRA_PRIO;
+
+	alg->base.cra_ctxsize = sizeof(struct cc_aead_ctx);
+	alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
+	alg->base.cra_blocksize = tmpl->blocksize;
+	alg->init = cc_aead_init;
+	alg->exit = cc_aead_exit;
+
+	t_alg->aead_alg = *alg;
+
+	t_alg->cipher_mode = tmpl->cipher_mode;
+	t_alg->flow_mode = tmpl->flow_mode;
+	t_alg->auth_mode = tmpl->auth_mode;
+
+	return t_alg;
+}
+
+int cc_aead_free(struct cc_drvdata *drvdata)
+{
+	struct cc_crypto_alg *t_alg, *n;
+	struct cc_aead_handle *aead_handle = drvdata->aead_handle;
+
+	/* Remove registered algs */
+	list_for_each_entry_safe(t_alg, n, &aead_handle->aead_list, entry) {
+		crypto_unregister_aead(&t_alg->aead_alg);
+		list_del(&t_alg->entry);
+	}
+
+	return 0;
+}
+
+int cc_aead_alloc(struct cc_drvdata *drvdata)
+{
+	struct cc_aead_handle *aead_handle;
+	struct cc_crypto_alg *t_alg;
+	int rc = -ENOMEM;
+	int alg;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	aead_handle = devm_kmalloc(dev, sizeof(*aead_handle), GFP_KERNEL);
+	if (!aead_handle) {
+		rc = -ENOMEM;
+		goto fail0;
+	}
+
+	INIT_LIST_HEAD(&aead_handle->aead_list);
+	drvdata->aead_handle = aead_handle;
+
+	aead_handle->sram_workspace_addr = cc_sram_alloc(drvdata,
+							 MAX_HMAC_DIGEST_SIZE);
+
+	if (aead_handle->sram_workspace_addr == NULL_SRAM_ADDR) {
+		rc = -ENOMEM;
+		goto fail1;
+	}
+
+	/* Linux crypto */
+	for (alg = 0; alg < ARRAY_SIZE(aead_algs); alg++) {
+		if ((aead_algs[alg].min_hw_rev > drvdata->hw_rev) ||
+		    !(drvdata->std_bodies & aead_algs[alg].std_body))
+			continue;
+
+		t_alg = cc_create_aead_alg(&aead_algs[alg], dev);
+		if (IS_ERR(t_alg)) {
+			rc = PTR_ERR(t_alg);
+			dev_err(dev, "%s alg allocation failed\n",
+				aead_algs[alg].driver_name);
+			goto fail1;
+		}
+		t_alg->drvdata = drvdata;
+		rc = crypto_register_aead(&t_alg->aead_alg);
+		if (rc) {
+			dev_err(dev, "%s alg registration failed\n",
+				t_alg->aead_alg.base.cra_driver_name);
+			goto fail1;
+		}
+
+		list_add_tail(&t_alg->entry, &aead_handle->aead_list);
+		dev_dbg(dev, "Registered %s\n",
+			t_alg->aead_alg.base.cra_driver_name);
+	}
+
+	return 0;
+
+fail1:
+	cc_aead_free(drvdata);
+fail0:
+	return rc;
+}
diff --git a/drivers/crypto/ccree/cc_aead.h b/drivers/crypto/ccree/cc_aead.h
new file mode 100644
index 000000000..b69591550
--- /dev/null
+++ b/drivers/crypto/ccree/cc_aead.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_aead.h
+ * ARM CryptoCell AEAD Crypto API
+ */
+
+#ifndef __CC_AEAD_H__
+#define __CC_AEAD_H__
+
+#include <linux/kernel.h>
+#include <crypto/algapi.h>
+#include <crypto/ctr.h>
+
+/* mac_cmp - HW writes 8 B but all bytes hold the same value */
+#define ICV_CMP_SIZE 8
+#define CCM_CONFIG_BUF_SIZE (AES_BLOCK_SIZE * 3)
+#define MAX_MAC_SIZE SHA256_DIGEST_SIZE
+
+/* defines for AES GCM configuration buffer */
+#define GCM_BLOCK_LEN_SIZE 8
+
+#define GCM_BLOCK_RFC4_IV_OFFSET	4
+#define GCM_BLOCK_RFC4_IV_SIZE		8  /* IV size for rfc's */
+#define GCM_BLOCK_RFC4_NONCE_OFFSET	0
+#define GCM_BLOCK_RFC4_NONCE_SIZE	4
+
+/* Offsets into AES CCM configuration buffer */
+#define CCM_B0_OFFSET 0
+#define CCM_A0_OFFSET 16
+#define CCM_CTR_COUNT_0_OFFSET 32
+/* CCM B0 and CTR_COUNT constants. */
+#define CCM_BLOCK_NONCE_OFFSET 1  /* Nonce offset inside B0 and CTR_COUNT */
+#define CCM_BLOCK_NONCE_SIZE   3  /* Nonce size inside B0 and CTR_COUNT */
+#define CCM_BLOCK_IV_OFFSET    4  /* IV offset inside B0 and CTR_COUNT */
+#define CCM_BLOCK_IV_SIZE      8  /* IV size inside B0 and CTR_COUNT */
+
+enum aead_ccm_header_size {
+	ccm_header_size_null = -1,
+	ccm_header_size_zero = 0,
+	ccm_header_size_2 = 2,
+	ccm_header_size_6 = 6,
+	ccm_header_size_max = S32_MAX
+};
+
+struct aead_req_ctx {
+	/* Allocate cache line although only 4 bytes are needed to
+	 *  assure next field falls @ cache line
+	 *  Used for both: digest HW compare and CCM/GCM MAC value
+	 */
+	u8 mac_buf[MAX_MAC_SIZE] ____cacheline_aligned;
+	u8 ctr_iv[AES_BLOCK_SIZE] ____cacheline_aligned;
+
+	//used in gcm
+	u8 gcm_iv_inc1[AES_BLOCK_SIZE] ____cacheline_aligned;
+	u8 gcm_iv_inc2[AES_BLOCK_SIZE] ____cacheline_aligned;
+	u8 hkey[AES_BLOCK_SIZE] ____cacheline_aligned;
+	struct {
+		u8 len_a[GCM_BLOCK_LEN_SIZE] ____cacheline_aligned;
+		u8 len_c[GCM_BLOCK_LEN_SIZE];
+	} gcm_len_block;
+
+	u8 ccm_config[CCM_CONFIG_BUF_SIZE] ____cacheline_aligned;
+	/* HW actual size input */
+	unsigned int hw_iv_size ____cacheline_aligned;
+	/* used to prevent cache coherence problem */
+	u8 backup_mac[MAX_MAC_SIZE];
+	u8 *backup_iv; /* store orig iv */
+	u32 assoclen; /* size of AAD buffer to authenticate */
+	dma_addr_t mac_buf_dma_addr; /* internal ICV DMA buffer */
+	/* buffer for internal ccm configurations */
+	dma_addr_t ccm_iv0_dma_addr;
+	dma_addr_t icv_dma_addr; /* Phys. address of ICV */
+
+	//used in gcm
+	/* buffer for internal gcm configurations */
+	dma_addr_t gcm_iv_inc1_dma_addr;
+	/* buffer for internal gcm configurations */
+	dma_addr_t gcm_iv_inc2_dma_addr;
+	dma_addr_t hkey_dma_addr; /* Phys. address of hkey */
+	dma_addr_t gcm_block_len_dma_addr; /* Phys. address of gcm block len */
+
+	u8 *icv_virt_addr; /* Virt. address of ICV */
+	struct async_gen_req_ctx gen_ctx;
+	struct cc_mlli assoc;
+	struct cc_mlli src;
+	struct cc_mlli dst;
+	struct scatterlist *src_sgl;
+	struct scatterlist *dst_sgl;
+	unsigned int src_offset;
+	unsigned int dst_offset;
+	enum cc_req_dma_buf_type assoc_buff_type;
+	enum cc_req_dma_buf_type data_buff_type;
+	struct mlli_params mlli_params;
+	unsigned int cryptlen;
+	struct scatterlist ccm_adata_sg;
+	enum aead_ccm_header_size ccm_hdr_size;
+	unsigned int req_authsize;
+	enum drv_cipher_mode cipher_mode;
+	bool is_icv_fragmented;
+	bool is_single_pass;
+	bool plaintext_authenticate_only; //for gcm_rfc4543
+};
+
+int cc_aead_alloc(struct cc_drvdata *drvdata);
+int cc_aead_free(struct cc_drvdata *drvdata);
+
+#endif /*__CC_AEAD_H__*/
diff --git a/drivers/crypto/ccree/cc_buffer_mgr.c b/drivers/crypto/ccree/cc_buffer_mgr.c
new file mode 100644
index 000000000..9efd88f87
--- /dev/null
+++ b/drivers/crypto/ccree/cc_buffer_mgr.c
@@ -0,0 +1,1393 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <crypto/internal/aead.h>
+#include <crypto/authenc.h>
+#include <crypto/scatterwalk.h>
+#include <linux/dmapool.h>
+#include <linux/dma-mapping.h>
+
+#include "cc_buffer_mgr.h"
+#include "cc_lli_defs.h"
+#include "cc_cipher.h"
+#include "cc_hash.h"
+#include "cc_aead.h"
+
+union buffer_array_entry {
+	struct scatterlist *sgl;
+	dma_addr_t buffer_dma;
+};
+
+struct buffer_array {
+	unsigned int num_of_buffers;
+	union buffer_array_entry entry[MAX_NUM_OF_BUFFERS_IN_MLLI];
+	unsigned int offset[MAX_NUM_OF_BUFFERS_IN_MLLI];
+	int nents[MAX_NUM_OF_BUFFERS_IN_MLLI];
+	int total_data_len[MAX_NUM_OF_BUFFERS_IN_MLLI];
+	bool is_last[MAX_NUM_OF_BUFFERS_IN_MLLI];
+	u32 *mlli_nents[MAX_NUM_OF_BUFFERS_IN_MLLI];
+};
+
+static inline char *cc_dma_buf_type(enum cc_req_dma_buf_type type)
+{
+	switch (type) {
+	case CC_DMA_BUF_NULL:
+		return "BUF_NULL";
+	case CC_DMA_BUF_DLLI:
+		return "BUF_DLLI";
+	case CC_DMA_BUF_MLLI:
+		return "BUF_MLLI";
+	default:
+		return "BUF_INVALID";
+	}
+}
+
+/**
+ * cc_copy_mac() - Copy MAC to temporary location
+ *
+ * @dev: device object
+ * @req: aead request object
+ * @dir: [IN] copy from/to sgl
+ */
+static void cc_copy_mac(struct device *dev, struct aead_request *req,
+			enum cc_sg_cpy_direct dir)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	u32 skip = req->assoclen + req->cryptlen;
+
+	cc_copy_sg_portion(dev, areq_ctx->backup_mac, req->src,
+			   (skip - areq_ctx->req_authsize), skip, dir);
+}
+
+/**
+ * cc_get_sgl_nents() - Get scatterlist number of entries.
+ *
+ * @dev: Device object
+ * @sg_list: SG list
+ * @nbytes: [IN] Total SGL data bytes.
+ * @lbytes: [OUT] Returns the amount of bytes at the last entry
+ *
+ * Return:
+ * Number of entries in the scatterlist
+ */
+static unsigned int cc_get_sgl_nents(struct device *dev,
+				     struct scatterlist *sg_list,
+				     unsigned int nbytes, u32 *lbytes)
+{
+	unsigned int nents = 0;
+
+	*lbytes = 0;
+
+	while (nbytes && sg_list) {
+		nents++;
+		/* get the number of bytes in the last entry */
+		*lbytes = nbytes;
+		nbytes -= (sg_list->length > nbytes) ?
+				nbytes : sg_list->length;
+		sg_list = sg_next(sg_list);
+	}
+
+	dev_dbg(dev, "nents %d last bytes %d\n", nents, *lbytes);
+	return nents;
+}
+
+/**
+ * cc_copy_sg_portion() - Copy scatter list data,
+ * from to_skip to end, to dest and vice versa
+ *
+ * @dev: Device object
+ * @dest: Buffer to copy to/from
+ * @sg: SG list
+ * @to_skip: Number of bytes to skip before copying
+ * @end: Offset of last byte to copy
+ * @direct: Transfer direction (true == from SG list to buffer, false == from
+ *          buffer to SG list)
+ */
+void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,
+			u32 to_skip, u32 end, enum cc_sg_cpy_direct direct)
+{
+	u32 nents;
+
+	nents = sg_nents_for_len(sg, end);
+	sg_copy_buffer(sg, nents, dest, (end - to_skip + 1), to_skip,
+		       (direct == CC_SG_TO_BUF));
+}
+
+static int cc_render_buff_to_mlli(struct device *dev, dma_addr_t buff_dma,
+				  u32 buff_size, u32 *curr_nents,
+				  u32 **mlli_entry_pp)
+{
+	u32 *mlli_entry_p = *mlli_entry_pp;
+	u32 new_nents;
+
+	/* Verify there is no memory overflow*/
+	new_nents = (*curr_nents + buff_size / CC_MAX_MLLI_ENTRY_SIZE + 1);
+	if (new_nents > MAX_NUM_OF_TOTAL_MLLI_ENTRIES) {
+		dev_err(dev, "Too many mlli entries. current %d max %d\n",
+			new_nents, MAX_NUM_OF_TOTAL_MLLI_ENTRIES);
+		return -ENOMEM;
+	}
+
+	/*handle buffer longer than 64 kbytes */
+	while (buff_size > CC_MAX_MLLI_ENTRY_SIZE) {
+		cc_lli_set_addr(mlli_entry_p, buff_dma);
+		cc_lli_set_size(mlli_entry_p, CC_MAX_MLLI_ENTRY_SIZE);
+		dev_dbg(dev, "entry[%d]: single_buff=0x%08X size=%08X\n",
+			*curr_nents, mlli_entry_p[LLI_WORD0_OFFSET],
+			mlli_entry_p[LLI_WORD1_OFFSET]);
+		buff_dma += CC_MAX_MLLI_ENTRY_SIZE;
+		buff_size -= CC_MAX_MLLI_ENTRY_SIZE;
+		mlli_entry_p = mlli_entry_p + 2;
+		(*curr_nents)++;
+	}
+	/*Last entry */
+	cc_lli_set_addr(mlli_entry_p, buff_dma);
+	cc_lli_set_size(mlli_entry_p, buff_size);
+	dev_dbg(dev, "entry[%d]: single_buff=0x%08X size=%08X\n",
+		*curr_nents, mlli_entry_p[LLI_WORD0_OFFSET],
+		mlli_entry_p[LLI_WORD1_OFFSET]);
+	mlli_entry_p = mlli_entry_p + 2;
+	*mlli_entry_pp = mlli_entry_p;
+	(*curr_nents)++;
+	return 0;
+}
+
+static int cc_render_sg_to_mlli(struct device *dev, struct scatterlist *sgl,
+				u32 sgl_data_len, u32 sgl_offset,
+				u32 *curr_nents, u32 **mlli_entry_pp)
+{
+	struct scatterlist *curr_sgl = sgl;
+	u32 *mlli_entry_p = *mlli_entry_pp;
+	s32 rc = 0;
+
+	for ( ; (curr_sgl && sgl_data_len);
+	      curr_sgl = sg_next(curr_sgl)) {
+		u32 entry_data_len =
+			(sgl_data_len > sg_dma_len(curr_sgl) - sgl_offset) ?
+				sg_dma_len(curr_sgl) - sgl_offset :
+				sgl_data_len;
+		sgl_data_len -= entry_data_len;
+		rc = cc_render_buff_to_mlli(dev, sg_dma_address(curr_sgl) +
+					    sgl_offset, entry_data_len,
+					    curr_nents, &mlli_entry_p);
+		if (rc)
+			return rc;
+
+		sgl_offset = 0;
+	}
+	*mlli_entry_pp = mlli_entry_p;
+	return 0;
+}
+
+static int cc_generate_mlli(struct device *dev, struct buffer_array *sg_data,
+			    struct mlli_params *mlli_params, gfp_t flags)
+{
+	u32 *mlli_p;
+	u32 total_nents = 0, prev_total_nents = 0;
+	int rc = 0, i;
+
+	dev_dbg(dev, "NUM of SG's = %d\n", sg_data->num_of_buffers);
+
+	/* Allocate memory from the pointed pool */
+	mlli_params->mlli_virt_addr =
+		dma_pool_alloc(mlli_params->curr_pool, flags,
+			       &mlli_params->mlli_dma_addr);
+	if (!mlli_params->mlli_virt_addr) {
+		dev_err(dev, "dma_pool_alloc() failed\n");
+		rc = -ENOMEM;
+		goto build_mlli_exit;
+	}
+	/* Point to start of MLLI */
+	mlli_p = mlli_params->mlli_virt_addr;
+	/* go over all SG's and link it to one MLLI table */
+	for (i = 0; i < sg_data->num_of_buffers; i++) {
+		union buffer_array_entry *entry = &sg_data->entry[i];
+		u32 tot_len = sg_data->total_data_len[i];
+		u32 offset = sg_data->offset[i];
+
+		rc = cc_render_sg_to_mlli(dev, entry->sgl, tot_len, offset,
+					  &total_nents, &mlli_p);
+		if (rc)
+			return rc;
+
+		/* set last bit in the current table */
+		if (sg_data->mlli_nents[i]) {
+			/*Calculate the current MLLI table length for the
+			 *length field in the descriptor
+			 */
+			*sg_data->mlli_nents[i] +=
+				(total_nents - prev_total_nents);
+			prev_total_nents = total_nents;
+		}
+	}
+
+	/* Set MLLI size for the bypass operation */
+	mlli_params->mlli_len = (total_nents * LLI_ENTRY_BYTE_SIZE);
+
+	dev_dbg(dev, "MLLI params: virt_addr=%pK dma_addr=%pad mlli_len=0x%X\n",
+		mlli_params->mlli_virt_addr, &mlli_params->mlli_dma_addr,
+		mlli_params->mlli_len);
+
+build_mlli_exit:
+	return rc;
+}
+
+static void cc_add_sg_entry(struct device *dev, struct buffer_array *sgl_data,
+			    unsigned int nents, struct scatterlist *sgl,
+			    unsigned int data_len, unsigned int data_offset,
+			    bool is_last_table, u32 *mlli_nents)
+{
+	unsigned int index = sgl_data->num_of_buffers;
+
+	dev_dbg(dev, "index=%u nents=%u sgl=%pK data_len=0x%08X is_last=%d\n",
+		index, nents, sgl, data_len, is_last_table);
+	sgl_data->nents[index] = nents;
+	sgl_data->entry[index].sgl = sgl;
+	sgl_data->offset[index] = data_offset;
+	sgl_data->total_data_len[index] = data_len;
+	sgl_data->is_last[index] = is_last_table;
+	sgl_data->mlli_nents[index] = mlli_nents;
+	if (sgl_data->mlli_nents[index])
+		*sgl_data->mlli_nents[index] = 0;
+	sgl_data->num_of_buffers++;
+}
+
+static int cc_map_sg(struct device *dev, struct scatterlist *sg,
+		     unsigned int nbytes, int direction, u32 *nents,
+		     u32 max_sg_nents, u32 *lbytes, u32 *mapped_nents)
+{
+	int ret = 0;
+
+	if (!nbytes) {
+		*mapped_nents = 0;
+		*lbytes = 0;
+		*nents = 0;
+		return 0;
+	}
+
+	*nents = cc_get_sgl_nents(dev, sg, nbytes, lbytes);
+	if (*nents > max_sg_nents) {
+		*nents = 0;
+		dev_err(dev, "Too many fragments. current %d max %d\n",
+			*nents, max_sg_nents);
+		return -ENOMEM;
+	}
+
+	ret = dma_map_sg(dev, sg, *nents, direction);
+	if (!ret) {
+		*nents = 0;
+		dev_err(dev, "dma_map_sg() sg buffer failed %d\n", ret);
+		return -ENOMEM;
+	}
+
+	*mapped_nents = ret;
+
+	return 0;
+}
+
+static int
+cc_set_aead_conf_buf(struct device *dev, struct aead_req_ctx *areq_ctx,
+		     u8 *config_data, struct buffer_array *sg_data,
+		     unsigned int assoclen)
+{
+	dev_dbg(dev, " handle additional data config set to DLLI\n");
+	/* create sg for the current buffer */
+	sg_init_one(&areq_ctx->ccm_adata_sg, config_data,
+		    AES_BLOCK_SIZE + areq_ctx->ccm_hdr_size);
+	if (dma_map_sg(dev, &areq_ctx->ccm_adata_sg, 1, DMA_TO_DEVICE) != 1) {
+		dev_err(dev, "dma_map_sg() config buffer failed\n");
+		return -ENOMEM;
+	}
+	dev_dbg(dev, "Mapped curr_buff: dma_address=%pad page=%p addr=%pK offset=%u length=%u\n",
+		&sg_dma_address(&areq_ctx->ccm_adata_sg),
+		sg_page(&areq_ctx->ccm_adata_sg),
+		sg_virt(&areq_ctx->ccm_adata_sg),
+		areq_ctx->ccm_adata_sg.offset, areq_ctx->ccm_adata_sg.length);
+	/* prepare for case of MLLI */
+	if (assoclen > 0) {
+		cc_add_sg_entry(dev, sg_data, 1, &areq_ctx->ccm_adata_sg,
+				(AES_BLOCK_SIZE + areq_ctx->ccm_hdr_size),
+				0, false, NULL);
+	}
+	return 0;
+}
+
+static int cc_set_hash_buf(struct device *dev, struct ahash_req_ctx *areq_ctx,
+			   u8 *curr_buff, u32 curr_buff_cnt,
+			   struct buffer_array *sg_data)
+{
+	dev_dbg(dev, " handle curr buff %x set to   DLLI\n", curr_buff_cnt);
+	/* create sg for the current buffer */
+	sg_init_one(areq_ctx->buff_sg, curr_buff, curr_buff_cnt);
+	if (dma_map_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE) != 1) {
+		dev_err(dev, "dma_map_sg() src buffer failed\n");
+		return -ENOMEM;
+	}
+	dev_dbg(dev, "Mapped curr_buff: dma_address=%pad page=%p addr=%pK offset=%u length=%u\n",
+		&sg_dma_address(areq_ctx->buff_sg), sg_page(areq_ctx->buff_sg),
+		sg_virt(areq_ctx->buff_sg), areq_ctx->buff_sg->offset,
+		areq_ctx->buff_sg->length);
+	areq_ctx->data_dma_buf_type = CC_DMA_BUF_DLLI;
+	areq_ctx->curr_sg = areq_ctx->buff_sg;
+	areq_ctx->in_nents = 0;
+	/* prepare for case of MLLI */
+	cc_add_sg_entry(dev, sg_data, 1, areq_ctx->buff_sg, curr_buff_cnt, 0,
+			false, NULL);
+	return 0;
+}
+
+void cc_unmap_cipher_request(struct device *dev, void *ctx,
+				unsigned int ivsize, struct scatterlist *src,
+				struct scatterlist *dst)
+{
+	struct cipher_req_ctx *req_ctx = (struct cipher_req_ctx *)ctx;
+
+	if (req_ctx->gen_ctx.iv_dma_addr) {
+		dev_dbg(dev, "Unmapped iv: iv_dma_addr=%pad iv_size=%u\n",
+			&req_ctx->gen_ctx.iv_dma_addr, ivsize);
+		dma_unmap_single(dev, req_ctx->gen_ctx.iv_dma_addr,
+				 ivsize, DMA_BIDIRECTIONAL);
+	}
+	/* Release pool */
+	if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI &&
+	    req_ctx->mlli_params.mlli_virt_addr) {
+		dma_pool_free(req_ctx->mlli_params.curr_pool,
+			      req_ctx->mlli_params.mlli_virt_addr,
+			      req_ctx->mlli_params.mlli_dma_addr);
+	}
+
+	if (src != dst) {
+		dma_unmap_sg(dev, src, req_ctx->in_nents, DMA_TO_DEVICE);
+		dma_unmap_sg(dev, dst, req_ctx->out_nents, DMA_FROM_DEVICE);
+		dev_dbg(dev, "Unmapped req->dst=%pK\n", sg_virt(dst));
+		dev_dbg(dev, "Unmapped req->src=%pK\n", sg_virt(src));
+	} else {
+		dma_unmap_sg(dev, src, req_ctx->in_nents, DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped req->src=%pK\n", sg_virt(src));
+	}
+}
+
+int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx,
+			  unsigned int ivsize, unsigned int nbytes,
+			  void *info, struct scatterlist *src,
+			  struct scatterlist *dst, gfp_t flags)
+{
+	struct cipher_req_ctx *req_ctx = (struct cipher_req_ctx *)ctx;
+	struct mlli_params *mlli_params = &req_ctx->mlli_params;
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct buffer_array sg_data;
+	u32 dummy = 0;
+	int rc = 0;
+	u32 mapped_nents = 0;
+	int src_direction = (src != dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL);
+
+	req_ctx->dma_buf_type = CC_DMA_BUF_DLLI;
+	mlli_params->curr_pool = NULL;
+	sg_data.num_of_buffers = 0;
+
+	/* Map IV buffer */
+	if (ivsize) {
+		dump_byte_array("iv", info, ivsize);
+		req_ctx->gen_ctx.iv_dma_addr =
+			dma_map_single(dev, info, ivsize, DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(dev, req_ctx->gen_ctx.iv_dma_addr)) {
+			dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n",
+				ivsize, info);
+			return -ENOMEM;
+		}
+		dev_dbg(dev, "Mapped iv %u B at va=%pK to dma=%pad\n",
+			ivsize, info, &req_ctx->gen_ctx.iv_dma_addr);
+	} else {
+		req_ctx->gen_ctx.iv_dma_addr = 0;
+	}
+
+	/* Map the src SGL */
+	rc = cc_map_sg(dev, src, nbytes, src_direction, &req_ctx->in_nents,
+		       LLI_MAX_NUM_OF_DATA_ENTRIES, &dummy, &mapped_nents);
+	if (rc)
+		goto cipher_exit;
+	if (mapped_nents > 1)
+		req_ctx->dma_buf_type = CC_DMA_BUF_MLLI;
+
+	if (src == dst) {
+		/* Handle inplace operation */
+		if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) {
+			req_ctx->out_nents = 0;
+			cc_add_sg_entry(dev, &sg_data, req_ctx->in_nents, src,
+					nbytes, 0, true,
+					&req_ctx->in_mlli_nents);
+		}
+	} else {
+		/* Map the dst sg */
+		rc = cc_map_sg(dev, dst, nbytes, DMA_FROM_DEVICE,
+			       &req_ctx->out_nents, LLI_MAX_NUM_OF_DATA_ENTRIES,
+			       &dummy, &mapped_nents);
+		if (rc)
+			goto cipher_exit;
+		if (mapped_nents > 1)
+			req_ctx->dma_buf_type = CC_DMA_BUF_MLLI;
+
+		if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) {
+			cc_add_sg_entry(dev, &sg_data, req_ctx->in_nents, src,
+					nbytes, 0, true,
+					&req_ctx->in_mlli_nents);
+			cc_add_sg_entry(dev, &sg_data, req_ctx->out_nents, dst,
+					nbytes, 0, true,
+					&req_ctx->out_mlli_nents);
+		}
+	}
+
+	if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) {
+		mlli_params->curr_pool = drvdata->mlli_buffs_pool;
+		rc = cc_generate_mlli(dev, &sg_data, mlli_params, flags);
+		if (rc)
+			goto cipher_exit;
+	}
+
+	dev_dbg(dev, "areq_ctx->dma_buf_type = %s\n",
+		cc_dma_buf_type(req_ctx->dma_buf_type));
+
+	return 0;
+
+cipher_exit:
+	cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst);
+	return rc;
+}
+
+void cc_unmap_aead_request(struct device *dev, struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	unsigned int hw_iv_size = areq_ctx->hw_iv_size;
+	struct cc_drvdata *drvdata = dev_get_drvdata(dev);
+	int src_direction = (req->src != req->dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL);
+
+	if (areq_ctx->mac_buf_dma_addr) {
+		dma_unmap_single(dev, areq_ctx->mac_buf_dma_addr,
+				 MAX_MAC_SIZE, DMA_BIDIRECTIONAL);
+	}
+
+	if (areq_ctx->cipher_mode == DRV_CIPHER_GCTR) {
+		if (areq_ctx->hkey_dma_addr) {
+			dma_unmap_single(dev, areq_ctx->hkey_dma_addr,
+					 AES_BLOCK_SIZE, DMA_BIDIRECTIONAL);
+		}
+
+		if (areq_ctx->gcm_block_len_dma_addr) {
+			dma_unmap_single(dev, areq_ctx->gcm_block_len_dma_addr,
+					 AES_BLOCK_SIZE, DMA_TO_DEVICE);
+		}
+
+		if (areq_ctx->gcm_iv_inc1_dma_addr) {
+			dma_unmap_single(dev, areq_ctx->gcm_iv_inc1_dma_addr,
+					 AES_BLOCK_SIZE, DMA_TO_DEVICE);
+		}
+
+		if (areq_ctx->gcm_iv_inc2_dma_addr) {
+			dma_unmap_single(dev, areq_ctx->gcm_iv_inc2_dma_addr,
+					 AES_BLOCK_SIZE, DMA_TO_DEVICE);
+		}
+	}
+
+	if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
+		if (areq_ctx->ccm_iv0_dma_addr) {
+			dma_unmap_single(dev, areq_ctx->ccm_iv0_dma_addr,
+					 AES_BLOCK_SIZE, DMA_TO_DEVICE);
+		}
+
+		dma_unmap_sg(dev, &areq_ctx->ccm_adata_sg, 1, DMA_TO_DEVICE);
+	}
+	if (areq_ctx->gen_ctx.iv_dma_addr) {
+		dma_unmap_single(dev, areq_ctx->gen_ctx.iv_dma_addr,
+				 hw_iv_size, DMA_BIDIRECTIONAL);
+		kfree_sensitive(areq_ctx->gen_ctx.iv);
+	}
+
+	/* Release pool */
+	if ((areq_ctx->assoc_buff_type == CC_DMA_BUF_MLLI ||
+	     areq_ctx->data_buff_type == CC_DMA_BUF_MLLI) &&
+	    (areq_ctx->mlli_params.mlli_virt_addr)) {
+		dev_dbg(dev, "free MLLI buffer: dma=%pad virt=%pK\n",
+			&areq_ctx->mlli_params.mlli_dma_addr,
+			areq_ctx->mlli_params.mlli_virt_addr);
+		dma_pool_free(areq_ctx->mlli_params.curr_pool,
+			      areq_ctx->mlli_params.mlli_virt_addr,
+			      areq_ctx->mlli_params.mlli_dma_addr);
+	}
+
+	dev_dbg(dev, "Unmapping src sgl: req->src=%pK areq_ctx->src.nents=%u areq_ctx->assoc.nents=%u assoclen:%u cryptlen=%u\n",
+		sg_virt(req->src), areq_ctx->src.nents, areq_ctx->assoc.nents,
+		areq_ctx->assoclen, req->cryptlen);
+
+	dma_unmap_sg(dev, req->src, areq_ctx->src.mapped_nents, src_direction);
+	if (req->src != req->dst) {
+		dev_dbg(dev, "Unmapping dst sgl: req->dst=%pK\n",
+			sg_virt(req->dst));
+		dma_unmap_sg(dev, req->dst, areq_ctx->dst.mapped_nents, DMA_FROM_DEVICE);
+	}
+	if (drvdata->coherent &&
+	    areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT &&
+	    req->src == req->dst) {
+		/* copy back mac from temporary location to deal with possible
+		 * data memory overriding that caused by cache coherence
+		 * problem.
+		 */
+		cc_copy_mac(dev, req, CC_SG_FROM_BUF);
+	}
+}
+
+static bool cc_is_icv_frag(unsigned int sgl_nents, unsigned int authsize,
+			   u32 last_entry_data_size)
+{
+	return ((sgl_nents > 1) && (last_entry_data_size < authsize));
+}
+
+static int cc_aead_chain_iv(struct cc_drvdata *drvdata,
+			    struct aead_request *req,
+			    struct buffer_array *sg_data,
+			    bool is_last, bool do_chain)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	unsigned int hw_iv_size = areq_ctx->hw_iv_size;
+	struct device *dev = drvdata_to_dev(drvdata);
+	gfp_t flags = cc_gfp_flags(&req->base);
+	int rc = 0;
+
+	if (!req->iv) {
+		areq_ctx->gen_ctx.iv_dma_addr = 0;
+		areq_ctx->gen_ctx.iv = NULL;
+		goto chain_iv_exit;
+	}
+
+	areq_ctx->gen_ctx.iv = kmemdup(req->iv, hw_iv_size, flags);
+	if (!areq_ctx->gen_ctx.iv)
+		return -ENOMEM;
+
+	areq_ctx->gen_ctx.iv_dma_addr =
+		dma_map_single(dev, areq_ctx->gen_ctx.iv, hw_iv_size,
+			       DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, areq_ctx->gen_ctx.iv_dma_addr)) {
+		dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n",
+			hw_iv_size, req->iv);
+		kfree_sensitive(areq_ctx->gen_ctx.iv);
+		areq_ctx->gen_ctx.iv = NULL;
+		rc = -ENOMEM;
+		goto chain_iv_exit;
+	}
+
+	dev_dbg(dev, "Mapped iv %u B at va=%pK to dma=%pad\n",
+		hw_iv_size, req->iv, &areq_ctx->gen_ctx.iv_dma_addr);
+
+chain_iv_exit:
+	return rc;
+}
+
+static int cc_aead_chain_assoc(struct cc_drvdata *drvdata,
+			       struct aead_request *req,
+			       struct buffer_array *sg_data,
+			       bool is_last, bool do_chain)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	int rc = 0;
+	int mapped_nents = 0;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	if (!sg_data) {
+		rc = -EINVAL;
+		goto chain_assoc_exit;
+	}
+
+	if (areq_ctx->assoclen == 0) {
+		areq_ctx->assoc_buff_type = CC_DMA_BUF_NULL;
+		areq_ctx->assoc.nents = 0;
+		areq_ctx->assoc.mlli_nents = 0;
+		dev_dbg(dev, "Chain assoc of length 0: buff_type=%s nents=%u\n",
+			cc_dma_buf_type(areq_ctx->assoc_buff_type),
+			areq_ctx->assoc.nents);
+		goto chain_assoc_exit;
+	}
+
+	mapped_nents = sg_nents_for_len(req->src, areq_ctx->assoclen);
+	if (mapped_nents < 0)
+		return mapped_nents;
+
+	if (mapped_nents > LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES) {
+		dev_err(dev, "Too many fragments. current %d max %d\n",
+			mapped_nents, LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES);
+		return -ENOMEM;
+	}
+	areq_ctx->assoc.nents = mapped_nents;
+
+	/* in CCM case we have additional entry for
+	 * ccm header configurations
+	 */
+	if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
+		if ((mapped_nents + 1) > LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES) {
+			dev_err(dev, "CCM case.Too many fragments. Current %d max %d\n",
+				(areq_ctx->assoc.nents + 1),
+				LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES);
+			rc = -ENOMEM;
+			goto chain_assoc_exit;
+		}
+	}
+
+	if (mapped_nents == 1 && areq_ctx->ccm_hdr_size == ccm_header_size_null)
+		areq_ctx->assoc_buff_type = CC_DMA_BUF_DLLI;
+	else
+		areq_ctx->assoc_buff_type = CC_DMA_BUF_MLLI;
+
+	if (do_chain || areq_ctx->assoc_buff_type == CC_DMA_BUF_MLLI) {
+		dev_dbg(dev, "Chain assoc: buff_type=%s nents=%u\n",
+			cc_dma_buf_type(areq_ctx->assoc_buff_type),
+			areq_ctx->assoc.nents);
+		cc_add_sg_entry(dev, sg_data, areq_ctx->assoc.nents, req->src,
+				areq_ctx->assoclen, 0, is_last,
+				&areq_ctx->assoc.mlli_nents);
+		areq_ctx->assoc_buff_type = CC_DMA_BUF_MLLI;
+	}
+
+chain_assoc_exit:
+	return rc;
+}
+
+static void cc_prepare_aead_data_dlli(struct aead_request *req,
+				      u32 *src_last_bytes, u32 *dst_last_bytes)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type;
+	unsigned int authsize = areq_ctx->req_authsize;
+	struct scatterlist *sg;
+	ssize_t offset;
+
+	areq_ctx->is_icv_fragmented = false;
+
+	if ((req->src == req->dst) || direct == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		sg = areq_ctx->src_sgl;
+		offset = *src_last_bytes - authsize;
+	} else {
+		sg = areq_ctx->dst_sgl;
+		offset = *dst_last_bytes - authsize;
+	}
+
+	areq_ctx->icv_dma_addr = sg_dma_address(sg) + offset;
+	areq_ctx->icv_virt_addr = sg_virt(sg) + offset;
+}
+
+static void cc_prepare_aead_data_mlli(struct cc_drvdata *drvdata,
+				      struct aead_request *req,
+				      struct buffer_array *sg_data,
+				      u32 *src_last_bytes, u32 *dst_last_bytes,
+				      bool is_last_table)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type;
+	unsigned int authsize = areq_ctx->req_authsize;
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct scatterlist *sg;
+
+	if (req->src == req->dst) {
+		/*INPLACE*/
+		cc_add_sg_entry(dev, sg_data, areq_ctx->src.nents,
+				areq_ctx->src_sgl, areq_ctx->cryptlen,
+				areq_ctx->src_offset, is_last_table,
+				&areq_ctx->src.mlli_nents);
+
+		areq_ctx->is_icv_fragmented =
+			cc_is_icv_frag(areq_ctx->src.nents, authsize,
+				       *src_last_bytes);
+
+		if (areq_ctx->is_icv_fragmented) {
+			/* Backup happens only when ICV is fragmented, ICV
+			 * verification is made by CPU compare in order to
+			 * simplify MAC verification upon request completion
+			 */
+			if (direct == DRV_CRYPTO_DIRECTION_DECRYPT) {
+				/* In coherent platforms (e.g. ACP)
+				 * already copying ICV for any
+				 * INPLACE-DECRYPT operation, hence
+				 * we must neglect this code.
+				 */
+				if (!drvdata->coherent)
+					cc_copy_mac(dev, req, CC_SG_TO_BUF);
+
+				areq_ctx->icv_virt_addr = areq_ctx->backup_mac;
+			} else {
+				areq_ctx->icv_virt_addr = areq_ctx->mac_buf;
+				areq_ctx->icv_dma_addr =
+					areq_ctx->mac_buf_dma_addr;
+			}
+		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
+			/*Should hanlde if the sg is not contig.*/
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
+				(*src_last_bytes - authsize);
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
+				(*src_last_bytes - authsize);
+		}
+
+	} else if (direct == DRV_CRYPTO_DIRECTION_DECRYPT) {
+		/*NON-INPLACE and DECRYPT*/
+		cc_add_sg_entry(dev, sg_data, areq_ctx->src.nents,
+				areq_ctx->src_sgl, areq_ctx->cryptlen,
+				areq_ctx->src_offset, is_last_table,
+				&areq_ctx->src.mlli_nents);
+		cc_add_sg_entry(dev, sg_data, areq_ctx->dst.nents,
+				areq_ctx->dst_sgl, areq_ctx->cryptlen,
+				areq_ctx->dst_offset, is_last_table,
+				&areq_ctx->dst.mlli_nents);
+
+		areq_ctx->is_icv_fragmented =
+			cc_is_icv_frag(areq_ctx->src.nents, authsize,
+				       *src_last_bytes);
+		/* Backup happens only when ICV is fragmented, ICV
+
+		 * verification is made by CPU compare in order to simplify
+		 * MAC verification upon request completion
+		 */
+		if (areq_ctx->is_icv_fragmented) {
+			cc_copy_mac(dev, req, CC_SG_TO_BUF);
+			areq_ctx->icv_virt_addr = areq_ctx->backup_mac;
+
+		} else { /* Contig. ICV */
+			sg = &areq_ctx->src_sgl[areq_ctx->src.nents - 1];
+			/*Should hanlde if the sg is not contig.*/
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
+				(*src_last_bytes - authsize);
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
+				(*src_last_bytes - authsize);
+		}
+
+	} else {
+		/*NON-INPLACE and ENCRYPT*/
+		cc_add_sg_entry(dev, sg_data, areq_ctx->dst.nents,
+				areq_ctx->dst_sgl, areq_ctx->cryptlen,
+				areq_ctx->dst_offset, is_last_table,
+				&areq_ctx->dst.mlli_nents);
+		cc_add_sg_entry(dev, sg_data, areq_ctx->src.nents,
+				areq_ctx->src_sgl, areq_ctx->cryptlen,
+				areq_ctx->src_offset, is_last_table,
+				&areq_ctx->src.mlli_nents);
+
+		areq_ctx->is_icv_fragmented =
+			cc_is_icv_frag(areq_ctx->dst.nents, authsize,
+				       *dst_last_bytes);
+
+		if (!areq_ctx->is_icv_fragmented) {
+			sg = &areq_ctx->dst_sgl[areq_ctx->dst.nents - 1];
+			/* Contig. ICV */
+			areq_ctx->icv_dma_addr = sg_dma_address(sg) +
+				(*dst_last_bytes - authsize);
+			areq_ctx->icv_virt_addr = sg_virt(sg) +
+				(*dst_last_bytes - authsize);
+		} else {
+			areq_ctx->icv_dma_addr = areq_ctx->mac_buf_dma_addr;
+			areq_ctx->icv_virt_addr = areq_ctx->mac_buf;
+		}
+	}
+}
+
+static int cc_aead_chain_data(struct cc_drvdata *drvdata,
+			      struct aead_request *req,
+			      struct buffer_array *sg_data,
+			      bool is_last_table, bool do_chain)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	struct device *dev = drvdata_to_dev(drvdata);
+	enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type;
+	unsigned int authsize = areq_ctx->req_authsize;
+	unsigned int src_last_bytes = 0, dst_last_bytes = 0;
+	int rc = 0;
+	u32 src_mapped_nents = 0, dst_mapped_nents = 0;
+	u32 offset = 0;
+	/* non-inplace mode */
+	unsigned int size_for_map = req->assoclen + req->cryptlen;
+	u32 sg_index = 0;
+	u32 size_to_skip = req->assoclen;
+	struct scatterlist *sgl;
+
+	offset = size_to_skip;
+
+	if (!sg_data)
+		return -EINVAL;
+
+	areq_ctx->src_sgl = req->src;
+	areq_ctx->dst_sgl = req->dst;
+
+	size_for_map += (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+			authsize : 0;
+	src_mapped_nents = cc_get_sgl_nents(dev, req->src, size_for_map,
+					    &src_last_bytes);
+	sg_index = areq_ctx->src_sgl->length;
+	//check where the data starts
+	while (src_mapped_nents && (sg_index <= size_to_skip)) {
+		src_mapped_nents--;
+		offset -= areq_ctx->src_sgl->length;
+		sgl = sg_next(areq_ctx->src_sgl);
+		if (!sgl)
+			break;
+		areq_ctx->src_sgl = sgl;
+		sg_index += areq_ctx->src_sgl->length;
+	}
+	if (src_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES) {
+		dev_err(dev, "Too many fragments. current %d max %d\n",
+			src_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES);
+		return -ENOMEM;
+	}
+
+	areq_ctx->src.nents = src_mapped_nents;
+
+	areq_ctx->src_offset = offset;
+
+	if (req->src != req->dst) {
+		size_for_map = req->assoclen + req->cryptlen;
+
+		if (direct == DRV_CRYPTO_DIRECTION_ENCRYPT)
+			size_for_map += authsize;
+		else
+			size_for_map -= authsize;
+
+		rc = cc_map_sg(dev, req->dst, size_for_map, DMA_FROM_DEVICE,
+			       &areq_ctx->dst.mapped_nents,
+			       LLI_MAX_NUM_OF_DATA_ENTRIES, &dst_last_bytes,
+			       &dst_mapped_nents);
+		if (rc)
+			goto chain_data_exit;
+	}
+
+	dst_mapped_nents = cc_get_sgl_nents(dev, req->dst, size_for_map,
+					    &dst_last_bytes);
+	sg_index = areq_ctx->dst_sgl->length;
+	offset = size_to_skip;
+
+	//check where the data starts
+	while (dst_mapped_nents && sg_index <= size_to_skip) {
+		dst_mapped_nents--;
+		offset -= areq_ctx->dst_sgl->length;
+		sgl = sg_next(areq_ctx->dst_sgl);
+		if (!sgl)
+			break;
+		areq_ctx->dst_sgl = sgl;
+		sg_index += areq_ctx->dst_sgl->length;
+	}
+	if (dst_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES) {
+		dev_err(dev, "Too many fragments. current %d max %d\n",
+			dst_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES);
+		return -ENOMEM;
+	}
+	areq_ctx->dst.nents = dst_mapped_nents;
+	areq_ctx->dst_offset = offset;
+	if (src_mapped_nents > 1 ||
+	    dst_mapped_nents  > 1 ||
+	    do_chain) {
+		areq_ctx->data_buff_type = CC_DMA_BUF_MLLI;
+		cc_prepare_aead_data_mlli(drvdata, req, sg_data,
+					  &src_last_bytes, &dst_last_bytes,
+					  is_last_table);
+	} else {
+		areq_ctx->data_buff_type = CC_DMA_BUF_DLLI;
+		cc_prepare_aead_data_dlli(req, &src_last_bytes,
+					  &dst_last_bytes);
+	}
+
+chain_data_exit:
+	return rc;
+}
+
+static void cc_update_aead_mlli_nents(struct cc_drvdata *drvdata,
+				      struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	u32 curr_mlli_size = 0;
+
+	if (areq_ctx->assoc_buff_type == CC_DMA_BUF_MLLI) {
+		areq_ctx->assoc.sram_addr = drvdata->mlli_sram_addr;
+		curr_mlli_size = areq_ctx->assoc.mlli_nents *
+						LLI_ENTRY_BYTE_SIZE;
+	}
+
+	if (areq_ctx->data_buff_type == CC_DMA_BUF_MLLI) {
+		/*Inplace case dst nents equal to src nents*/
+		if (req->src == req->dst) {
+			areq_ctx->dst.mlli_nents = areq_ctx->src.mlli_nents;
+			areq_ctx->src.sram_addr = drvdata->mlli_sram_addr +
+								curr_mlli_size;
+			areq_ctx->dst.sram_addr = areq_ctx->src.sram_addr;
+			if (!areq_ctx->is_single_pass)
+				areq_ctx->assoc.mlli_nents +=
+					areq_ctx->src.mlli_nents;
+		} else {
+			if (areq_ctx->gen_ctx.op_type ==
+					DRV_CRYPTO_DIRECTION_DECRYPT) {
+				areq_ctx->src.sram_addr =
+						drvdata->mlli_sram_addr +
+								curr_mlli_size;
+				areq_ctx->dst.sram_addr =
+						areq_ctx->src.sram_addr +
+						areq_ctx->src.mlli_nents *
+						LLI_ENTRY_BYTE_SIZE;
+				if (!areq_ctx->is_single_pass)
+					areq_ctx->assoc.mlli_nents +=
+						areq_ctx->src.mlli_nents;
+			} else {
+				areq_ctx->dst.sram_addr =
+						drvdata->mlli_sram_addr +
+								curr_mlli_size;
+				areq_ctx->src.sram_addr =
+						areq_ctx->dst.sram_addr +
+						areq_ctx->dst.mlli_nents *
+						LLI_ENTRY_BYTE_SIZE;
+				if (!areq_ctx->is_single_pass)
+					areq_ctx->assoc.mlli_nents +=
+						areq_ctx->dst.mlli_nents;
+			}
+		}
+	}
+}
+
+int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req)
+{
+	struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
+	struct mlli_params *mlli_params = &areq_ctx->mlli_params;
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct buffer_array sg_data;
+	unsigned int authsize = areq_ctx->req_authsize;
+	int rc = 0;
+	dma_addr_t dma_addr;
+	u32 mapped_nents = 0;
+	u32 dummy = 0; /*used for the assoc data fragments */
+	u32 size_to_map;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	mlli_params->curr_pool = NULL;
+	sg_data.num_of_buffers = 0;
+
+	/* copy mac to a temporary location to deal with possible
+	 * data memory overriding that caused by cache coherence problem.
+	 */
+	if (drvdata->coherent &&
+	    areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT &&
+	    req->src == req->dst)
+		cc_copy_mac(dev, req, CC_SG_TO_BUF);
+
+	/* cacluate the size for cipher remove ICV in decrypt*/
+	areq_ctx->cryptlen = (areq_ctx->gen_ctx.op_type ==
+				 DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+				req->cryptlen :
+				(req->cryptlen - authsize);
+
+	dma_addr = dma_map_single(dev, areq_ctx->mac_buf, MAX_MAC_SIZE,
+				  DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, dma_addr)) {
+		dev_err(dev, "Mapping mac_buf %u B at va=%pK for DMA failed\n",
+			MAX_MAC_SIZE, areq_ctx->mac_buf);
+		rc = -ENOMEM;
+		goto aead_map_failure;
+	}
+	areq_ctx->mac_buf_dma_addr = dma_addr;
+
+	if (areq_ctx->ccm_hdr_size != ccm_header_size_null) {
+		void *addr = areq_ctx->ccm_config + CCM_CTR_COUNT_0_OFFSET;
+
+		dma_addr = dma_map_single(dev, addr, AES_BLOCK_SIZE,
+					  DMA_TO_DEVICE);
+
+		if (dma_mapping_error(dev, dma_addr)) {
+			dev_err(dev, "Mapping mac_buf %u B at va=%pK for DMA failed\n",
+				AES_BLOCK_SIZE, addr);
+			areq_ctx->ccm_iv0_dma_addr = 0;
+			rc = -ENOMEM;
+			goto aead_map_failure;
+		}
+		areq_ctx->ccm_iv0_dma_addr = dma_addr;
+
+		rc = cc_set_aead_conf_buf(dev, areq_ctx, areq_ctx->ccm_config,
+					  &sg_data, areq_ctx->assoclen);
+		if (rc)
+			goto aead_map_failure;
+	}
+
+	if (areq_ctx->cipher_mode == DRV_CIPHER_GCTR) {
+		dma_addr = dma_map_single(dev, areq_ctx->hkey, AES_BLOCK_SIZE,
+					  DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(dev, dma_addr)) {
+			dev_err(dev, "Mapping hkey %u B at va=%pK for DMA failed\n",
+				AES_BLOCK_SIZE, areq_ctx->hkey);
+			rc = -ENOMEM;
+			goto aead_map_failure;
+		}
+		areq_ctx->hkey_dma_addr = dma_addr;
+
+		dma_addr = dma_map_single(dev, &areq_ctx->gcm_len_block,
+					  AES_BLOCK_SIZE, DMA_TO_DEVICE);
+		if (dma_mapping_error(dev, dma_addr)) {
+			dev_err(dev, "Mapping gcm_len_block %u B at va=%pK for DMA failed\n",
+				AES_BLOCK_SIZE, &areq_ctx->gcm_len_block);
+			rc = -ENOMEM;
+			goto aead_map_failure;
+		}
+		areq_ctx->gcm_block_len_dma_addr = dma_addr;
+
+		dma_addr = dma_map_single(dev, areq_ctx->gcm_iv_inc1,
+					  AES_BLOCK_SIZE, DMA_TO_DEVICE);
+
+		if (dma_mapping_error(dev, dma_addr)) {
+			dev_err(dev, "Mapping gcm_iv_inc1 %u B at va=%pK for DMA failed\n",
+				AES_BLOCK_SIZE, (areq_ctx->gcm_iv_inc1));
+			areq_ctx->gcm_iv_inc1_dma_addr = 0;
+			rc = -ENOMEM;
+			goto aead_map_failure;
+		}
+		areq_ctx->gcm_iv_inc1_dma_addr = dma_addr;
+
+		dma_addr = dma_map_single(dev, areq_ctx->gcm_iv_inc2,
+					  AES_BLOCK_SIZE, DMA_TO_DEVICE);
+
+		if (dma_mapping_error(dev, dma_addr)) {
+			dev_err(dev, "Mapping gcm_iv_inc2 %u B at va=%pK for DMA failed\n",
+				AES_BLOCK_SIZE, (areq_ctx->gcm_iv_inc2));
+			areq_ctx->gcm_iv_inc2_dma_addr = 0;
+			rc = -ENOMEM;
+			goto aead_map_failure;
+		}
+		areq_ctx->gcm_iv_inc2_dma_addr = dma_addr;
+	}
+
+	size_to_map = req->cryptlen + req->assoclen;
+	/* If we do in-place encryption, we also need the auth tag */
+	if ((areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT) &&
+	   (req->src == req->dst)) {
+		size_to_map += authsize;
+	}
+
+	rc = cc_map_sg(dev, req->src, size_to_map,
+		       (req->src != req->dst ? DMA_TO_DEVICE : DMA_BIDIRECTIONAL),
+		       &areq_ctx->src.mapped_nents,
+		       (LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES +
+			LLI_MAX_NUM_OF_DATA_ENTRIES),
+		       &dummy, &mapped_nents);
+	if (rc)
+		goto aead_map_failure;
+
+	if (areq_ctx->is_single_pass) {
+		/*
+		 * Create MLLI table for:
+		 *   (1) Assoc. data
+		 *   (2) Src/Dst SGLs
+		 *   Note: IV is contg. buffer (not an SGL)
+		 */
+		rc = cc_aead_chain_assoc(drvdata, req, &sg_data, true, false);
+		if (rc)
+			goto aead_map_failure;
+		rc = cc_aead_chain_iv(drvdata, req, &sg_data, true, false);
+		if (rc)
+			goto aead_map_failure;
+		rc = cc_aead_chain_data(drvdata, req, &sg_data, true, false);
+		if (rc)
+			goto aead_map_failure;
+	} else { /* DOUBLE-PASS flow */
+		/*
+		 * Prepare MLLI table(s) in this order:
+		 *
+		 * If ENCRYPT/DECRYPT (inplace):
+		 *   (1) MLLI table for assoc
+		 *   (2) IV entry (chained right after end of assoc)
+		 *   (3) MLLI for src/dst (inplace operation)
+		 *
+		 * If ENCRYPT (non-inplace)
+		 *   (1) MLLI table for assoc
+		 *   (2) IV entry (chained right after end of assoc)
+		 *   (3) MLLI for dst
+		 *   (4) MLLI for src
+		 *
+		 * If DECRYPT (non-inplace)
+		 *   (1) MLLI table for assoc
+		 *   (2) IV entry (chained right after end of assoc)
+		 *   (3) MLLI for src
+		 *   (4) MLLI for dst
+		 */
+		rc = cc_aead_chain_assoc(drvdata, req, &sg_data, false, true);
+		if (rc)
+			goto aead_map_failure;
+		rc = cc_aead_chain_iv(drvdata, req, &sg_data, false, true);
+		if (rc)
+			goto aead_map_failure;
+		rc = cc_aead_chain_data(drvdata, req, &sg_data, true, true);
+		if (rc)
+			goto aead_map_failure;
+	}
+
+	/* Mlli support -start building the MLLI according to the above
+	 * results
+	 */
+	if (areq_ctx->assoc_buff_type == CC_DMA_BUF_MLLI ||
+	    areq_ctx->data_buff_type == CC_DMA_BUF_MLLI) {
+		mlli_params->curr_pool = drvdata->mlli_buffs_pool;
+		rc = cc_generate_mlli(dev, &sg_data, mlli_params, flags);
+		if (rc)
+			goto aead_map_failure;
+
+		cc_update_aead_mlli_nents(drvdata, req);
+		dev_dbg(dev, "assoc params mn %d\n",
+			areq_ctx->assoc.mlli_nents);
+		dev_dbg(dev, "src params mn %d\n", areq_ctx->src.mlli_nents);
+		dev_dbg(dev, "dst params mn %d\n", areq_ctx->dst.mlli_nents);
+	}
+	return 0;
+
+aead_map_failure:
+	cc_unmap_aead_request(dev, req);
+	return rc;
+}
+
+int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,
+			      struct scatterlist *src, unsigned int nbytes,
+			      bool do_update, gfp_t flags)
+{
+	struct ahash_req_ctx *areq_ctx = (struct ahash_req_ctx *)ctx;
+	struct device *dev = drvdata_to_dev(drvdata);
+	u8 *curr_buff = cc_hash_buf(areq_ctx);
+	u32 *curr_buff_cnt = cc_hash_buf_cnt(areq_ctx);
+	struct mlli_params *mlli_params = &areq_ctx->mlli_params;
+	struct buffer_array sg_data;
+	int rc = 0;
+	u32 dummy = 0;
+	u32 mapped_nents = 0;
+
+	dev_dbg(dev, "final params : curr_buff=%pK curr_buff_cnt=0x%X nbytes = 0x%X src=%pK curr_index=%u\n",
+		curr_buff, *curr_buff_cnt, nbytes, src, areq_ctx->buff_index);
+	/* Init the type of the dma buffer */
+	areq_ctx->data_dma_buf_type = CC_DMA_BUF_NULL;
+	mlli_params->curr_pool = NULL;
+	sg_data.num_of_buffers = 0;
+	areq_ctx->in_nents = 0;
+
+	if (nbytes == 0 && *curr_buff_cnt == 0) {
+		/* nothing to do */
+		return 0;
+	}
+
+	/* map the previous buffer */
+	if (*curr_buff_cnt) {
+		rc = cc_set_hash_buf(dev, areq_ctx, curr_buff, *curr_buff_cnt,
+				     &sg_data);
+		if (rc)
+			return rc;
+	}
+
+	if (src && nbytes > 0 && do_update) {
+		rc = cc_map_sg(dev, src, nbytes, DMA_TO_DEVICE,
+			       &areq_ctx->in_nents, LLI_MAX_NUM_OF_DATA_ENTRIES,
+			       &dummy, &mapped_nents);
+		if (rc)
+			goto unmap_curr_buff;
+		if (src && mapped_nents == 1 &&
+		    areq_ctx->data_dma_buf_type == CC_DMA_BUF_NULL) {
+			memcpy(areq_ctx->buff_sg, src,
+			       sizeof(struct scatterlist));
+			areq_ctx->buff_sg->length = nbytes;
+			areq_ctx->curr_sg = areq_ctx->buff_sg;
+			areq_ctx->data_dma_buf_type = CC_DMA_BUF_DLLI;
+		} else {
+			areq_ctx->data_dma_buf_type = CC_DMA_BUF_MLLI;
+		}
+	}
+
+	/*build mlli */
+	if (areq_ctx->data_dma_buf_type == CC_DMA_BUF_MLLI) {
+		mlli_params->curr_pool = drvdata->mlli_buffs_pool;
+		/* add the src data to the sg_data */
+		cc_add_sg_entry(dev, &sg_data, areq_ctx->in_nents, src, nbytes,
+				0, true, &areq_ctx->mlli_nents);
+		rc = cc_generate_mlli(dev, &sg_data, mlli_params, flags);
+		if (rc)
+			goto fail_unmap_din;
+	}
+	/* change the buffer index for the unmap function */
+	areq_ctx->buff_index = (areq_ctx->buff_index ^ 1);
+	dev_dbg(dev, "areq_ctx->data_dma_buf_type = %s\n",
+		cc_dma_buf_type(areq_ctx->data_dma_buf_type));
+	return 0;
+
+fail_unmap_din:
+	dma_unmap_sg(dev, src, areq_ctx->in_nents, DMA_TO_DEVICE);
+
+unmap_curr_buff:
+	if (*curr_buff_cnt)
+		dma_unmap_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE);
+
+	return rc;
+}
+
+int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,
+			       struct scatterlist *src, unsigned int nbytes,
+			       unsigned int block_size, gfp_t flags)
+{
+	struct ahash_req_ctx *areq_ctx = (struct ahash_req_ctx *)ctx;
+	struct device *dev = drvdata_to_dev(drvdata);
+	u8 *curr_buff = cc_hash_buf(areq_ctx);
+	u32 *curr_buff_cnt = cc_hash_buf_cnt(areq_ctx);
+	u8 *next_buff = cc_next_buf(areq_ctx);
+	u32 *next_buff_cnt = cc_next_buf_cnt(areq_ctx);
+	struct mlli_params *mlli_params = &areq_ctx->mlli_params;
+	unsigned int update_data_len;
+	u32 total_in_len = nbytes + *curr_buff_cnt;
+	struct buffer_array sg_data;
+	unsigned int swap_index = 0;
+	int rc = 0;
+	u32 dummy = 0;
+	u32 mapped_nents = 0;
+
+	dev_dbg(dev, " update params : curr_buff=%pK curr_buff_cnt=0x%X nbytes=0x%X src=%pK curr_index=%u\n",
+		curr_buff, *curr_buff_cnt, nbytes, src, areq_ctx->buff_index);
+	/* Init the type of the dma buffer */
+	areq_ctx->data_dma_buf_type = CC_DMA_BUF_NULL;
+	mlli_params->curr_pool = NULL;
+	areq_ctx->curr_sg = NULL;
+	sg_data.num_of_buffers = 0;
+	areq_ctx->in_nents = 0;
+
+	if (total_in_len < block_size) {
+		dev_dbg(dev, " less than one block: curr_buff=%pK *curr_buff_cnt=0x%X copy_to=%pK\n",
+			curr_buff, *curr_buff_cnt, &curr_buff[*curr_buff_cnt]);
+		areq_ctx->in_nents = sg_nents_for_len(src, nbytes);
+		sg_copy_to_buffer(src, areq_ctx->in_nents,
+				  &curr_buff[*curr_buff_cnt], nbytes);
+		*curr_buff_cnt += nbytes;
+		return 1;
+	}
+
+	/* Calculate the residue size*/
+	*next_buff_cnt = total_in_len & (block_size - 1);
+	/* update data len */
+	update_data_len = total_in_len - *next_buff_cnt;
+
+	dev_dbg(dev, " temp length : *next_buff_cnt=0x%X update_data_len=0x%X\n",
+		*next_buff_cnt, update_data_len);
+
+	/* Copy the new residue to next buffer */
+	if (*next_buff_cnt) {
+		dev_dbg(dev, " handle residue: next buff %pK skip data %u residue %u\n",
+			next_buff, (update_data_len - *curr_buff_cnt),
+			*next_buff_cnt);
+		cc_copy_sg_portion(dev, next_buff, src,
+				   (update_data_len - *curr_buff_cnt),
+				   nbytes, CC_SG_TO_BUF);
+		/* change the buffer index for next operation */
+		swap_index = 1;
+	}
+
+	if (*curr_buff_cnt) {
+		rc = cc_set_hash_buf(dev, areq_ctx, curr_buff, *curr_buff_cnt,
+				     &sg_data);
+		if (rc)
+			return rc;
+		/* change the buffer index for next operation */
+		swap_index = 1;
+	}
+
+	if (update_data_len > *curr_buff_cnt) {
+		rc = cc_map_sg(dev, src, (update_data_len - *curr_buff_cnt),
+			       DMA_TO_DEVICE, &areq_ctx->in_nents,
+			       LLI_MAX_NUM_OF_DATA_ENTRIES, &dummy,
+			       &mapped_nents);
+		if (rc)
+			goto unmap_curr_buff;
+		if (mapped_nents == 1 &&
+		    areq_ctx->data_dma_buf_type == CC_DMA_BUF_NULL) {
+			/* only one entry in the SG and no previous data */
+			memcpy(areq_ctx->buff_sg, src,
+			       sizeof(struct scatterlist));
+			areq_ctx->buff_sg->length = update_data_len;
+			areq_ctx->data_dma_buf_type = CC_DMA_BUF_DLLI;
+			areq_ctx->curr_sg = areq_ctx->buff_sg;
+		} else {
+			areq_ctx->data_dma_buf_type = CC_DMA_BUF_MLLI;
+		}
+	}
+
+	if (areq_ctx->data_dma_buf_type == CC_DMA_BUF_MLLI) {
+		mlli_params->curr_pool = drvdata->mlli_buffs_pool;
+		/* add the src data to the sg_data */
+		cc_add_sg_entry(dev, &sg_data, areq_ctx->in_nents, src,
+				(update_data_len - *curr_buff_cnt), 0, true,
+				&areq_ctx->mlli_nents);
+		rc = cc_generate_mlli(dev, &sg_data, mlli_params, flags);
+		if (rc)
+			goto fail_unmap_din;
+	}
+	areq_ctx->buff_index = (areq_ctx->buff_index ^ swap_index);
+
+	return 0;
+
+fail_unmap_din:
+	dma_unmap_sg(dev, src, areq_ctx->in_nents, DMA_TO_DEVICE);
+
+unmap_curr_buff:
+	if (*curr_buff_cnt)
+		dma_unmap_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE);
+
+	return rc;
+}
+
+void cc_unmap_hash_request(struct device *dev, void *ctx,
+			   struct scatterlist *src, bool do_revert)
+{
+	struct ahash_req_ctx *areq_ctx = (struct ahash_req_ctx *)ctx;
+	u32 *prev_len = cc_next_buf_cnt(areq_ctx);
+
+	/*In case a pool was set, a table was
+	 *allocated and should be released
+	 */
+	if (areq_ctx->mlli_params.curr_pool) {
+		dev_dbg(dev, "free MLLI buffer: dma=%pad virt=%pK\n",
+			&areq_ctx->mlli_params.mlli_dma_addr,
+			areq_ctx->mlli_params.mlli_virt_addr);
+		dma_pool_free(areq_ctx->mlli_params.curr_pool,
+			      areq_ctx->mlli_params.mlli_virt_addr,
+			      areq_ctx->mlli_params.mlli_dma_addr);
+	}
+
+	if (src && areq_ctx->in_nents) {
+		dev_dbg(dev, "Unmapped sg src: virt=%pK dma=%pad len=0x%X\n",
+			sg_virt(src), &sg_dma_address(src), sg_dma_len(src));
+		dma_unmap_sg(dev, src,
+			     areq_ctx->in_nents, DMA_TO_DEVICE);
+	}
+
+	if (*prev_len) {
+		dev_dbg(dev, "Unmapped buffer: areq_ctx->buff_sg=%pK dma=%pad len 0x%X\n",
+			sg_virt(areq_ctx->buff_sg),
+			&sg_dma_address(areq_ctx->buff_sg),
+			sg_dma_len(areq_ctx->buff_sg));
+		dma_unmap_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE);
+		if (!do_revert) {
+			/* clean the previous data length for update
+			 * operation
+			 */
+			*prev_len = 0;
+		} else {
+			areq_ctx->buff_index ^= 1;
+		}
+	}
+}
+
+int cc_buffer_mgr_init(struct cc_drvdata *drvdata)
+{
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	drvdata->mlli_buffs_pool =
+		dma_pool_create("dx_single_mlli_tables", dev,
+				MAX_NUM_OF_TOTAL_MLLI_ENTRIES *
+				LLI_ENTRY_BYTE_SIZE,
+				MLLI_TABLE_MIN_ALIGNMENT, 0);
+
+	if (!drvdata->mlli_buffs_pool)
+		return -ENOMEM;
+
+	return 0;
+}
+
+int cc_buffer_mgr_fini(struct cc_drvdata *drvdata)
+{
+	dma_pool_destroy(drvdata->mlli_buffs_pool);
+	return 0;
+}
diff --git a/drivers/crypto/ccree/cc_buffer_mgr.h b/drivers/crypto/ccree/cc_buffer_mgr.h
new file mode 100644
index 000000000..653441b65
--- /dev/null
+++ b/drivers/crypto/ccree/cc_buffer_mgr.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_buffer_mgr.h
+ * Buffer Manager
+ */
+
+#ifndef __CC_BUFFER_MGR_H__
+#define __CC_BUFFER_MGR_H__
+
+#include <crypto/algapi.h>
+
+#include "cc_driver.h"
+
+enum cc_req_dma_buf_type {
+	CC_DMA_BUF_NULL = 0,
+	CC_DMA_BUF_DLLI,
+	CC_DMA_BUF_MLLI
+};
+
+enum cc_sg_cpy_direct {
+	CC_SG_TO_BUF = 0,
+	CC_SG_FROM_BUF = 1
+};
+
+struct cc_mlli {
+	u32 sram_addr;
+	unsigned int mapped_nents;
+	unsigned int nents; //sg nents
+	unsigned int mlli_nents; //mlli nents might be different than the above
+};
+
+struct mlli_params {
+	struct dma_pool *curr_pool;
+	void *mlli_virt_addr;
+	dma_addr_t mlli_dma_addr;
+	u32 mlli_len;
+};
+
+int cc_buffer_mgr_init(struct cc_drvdata *drvdata);
+
+int cc_buffer_mgr_fini(struct cc_drvdata *drvdata);
+
+int cc_map_cipher_request(struct cc_drvdata *drvdata, void *ctx,
+			  unsigned int ivsize, unsigned int nbytes,
+			  void *info, struct scatterlist *src,
+			  struct scatterlist *dst, gfp_t flags);
+
+void cc_unmap_cipher_request(struct device *dev, void *ctx, unsigned int ivsize,
+			     struct scatterlist *src, struct scatterlist *dst);
+
+int cc_map_aead_request(struct cc_drvdata *drvdata, struct aead_request *req);
+
+void cc_unmap_aead_request(struct device *dev, struct aead_request *req);
+
+int cc_map_hash_request_final(struct cc_drvdata *drvdata, void *ctx,
+			      struct scatterlist *src, unsigned int nbytes,
+			      bool do_update, gfp_t flags);
+
+int cc_map_hash_request_update(struct cc_drvdata *drvdata, void *ctx,
+			       struct scatterlist *src, unsigned int nbytes,
+			       unsigned int block_size, gfp_t flags);
+
+void cc_unmap_hash_request(struct device *dev, void *ctx,
+			   struct scatterlist *src, bool do_revert);
+
+void cc_copy_sg_portion(struct device *dev, u8 *dest, struct scatterlist *sg,
+			u32 to_skip, u32 end, enum cc_sg_cpy_direct direct);
+
+#endif /*__BUFFER_MGR_H__*/
diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
new file mode 100644
index 000000000..309da6334
--- /dev/null
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -0,0 +1,1509 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/internal/des.h>
+#include <crypto/xts.h>
+#include <crypto/sm4.h>
+#include <crypto/scatterwalk.h>
+
+#include "cc_driver.h"
+#include "cc_lli_defs.h"
+#include "cc_buffer_mgr.h"
+#include "cc_cipher.h"
+#include "cc_request_mgr.h"
+
+#define MAX_SKCIPHER_SEQ_LEN 6
+
+#define template_skcipher	template_u.skcipher
+
+struct cc_user_key_info {
+	u8 *key;
+	dma_addr_t key_dma_addr;
+};
+
+struct cc_hw_key_info {
+	enum cc_hw_crypto_key key1_slot;
+	enum cc_hw_crypto_key key2_slot;
+};
+
+struct cc_cpp_key_info {
+	u8 slot;
+	enum cc_cpp_alg alg;
+};
+
+enum cc_key_type {
+	CC_UNPROTECTED_KEY,		/* User key */
+	CC_HW_PROTECTED_KEY,		/* HW (FDE) key */
+	CC_POLICY_PROTECTED_KEY,	/* CPP key */
+	CC_INVALID_PROTECTED_KEY	/* Invalid key */
+};
+
+struct cc_cipher_ctx {
+	struct cc_drvdata *drvdata;
+	int keylen;
+	int cipher_mode;
+	int flow_mode;
+	unsigned int flags;
+	enum cc_key_type key_type;
+	struct cc_user_key_info user;
+	union {
+		struct cc_hw_key_info hw;
+		struct cc_cpp_key_info cpp;
+	};
+	struct crypto_shash *shash_tfm;
+	struct crypto_skcipher *fallback_tfm;
+	bool fallback_on;
+};
+
+static void cc_cipher_complete(struct device *dev, void *cc_req, int err);
+
+static inline enum cc_key_type cc_key_type(struct crypto_tfm *tfm)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+
+	return ctx_p->key_type;
+}
+
+static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size)
+{
+	switch (ctx_p->flow_mode) {
+	case S_DIN_to_AES:
+		switch (size) {
+		case CC_AES_128_BIT_KEY_SIZE:
+		case CC_AES_192_BIT_KEY_SIZE:
+			if (ctx_p->cipher_mode != DRV_CIPHER_XTS)
+				return 0;
+			break;
+		case CC_AES_256_BIT_KEY_SIZE:
+			return 0;
+		case (CC_AES_192_BIT_KEY_SIZE * 2):
+		case (CC_AES_256_BIT_KEY_SIZE * 2):
+			if (ctx_p->cipher_mode == DRV_CIPHER_XTS ||
+			    ctx_p->cipher_mode == DRV_CIPHER_ESSIV)
+				return 0;
+			break;
+		default:
+			break;
+		}
+		break;
+	case S_DIN_to_DES:
+		if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE)
+			return 0;
+		break;
+	case S_DIN_to_SM4:
+		if (size == SM4_KEY_SIZE)
+			return 0;
+		break;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+static int validate_data_size(struct cc_cipher_ctx *ctx_p,
+			      unsigned int size)
+{
+	switch (ctx_p->flow_mode) {
+	case S_DIN_to_AES:
+		switch (ctx_p->cipher_mode) {
+		case DRV_CIPHER_XTS:
+		case DRV_CIPHER_CBC_CTS:
+			if (size >= AES_BLOCK_SIZE)
+				return 0;
+			break;
+		case DRV_CIPHER_OFB:
+		case DRV_CIPHER_CTR:
+				return 0;
+		case DRV_CIPHER_ECB:
+		case DRV_CIPHER_CBC:
+		case DRV_CIPHER_ESSIV:
+			if (IS_ALIGNED(size, AES_BLOCK_SIZE))
+				return 0;
+			break;
+		default:
+			break;
+		}
+		break;
+	case S_DIN_to_DES:
+		if (IS_ALIGNED(size, DES_BLOCK_SIZE))
+			return 0;
+		break;
+	case S_DIN_to_SM4:
+		switch (ctx_p->cipher_mode) {
+		case DRV_CIPHER_CTR:
+			return 0;
+		case DRV_CIPHER_ECB:
+		case DRV_CIPHER_CBC:
+			if (IS_ALIGNED(size, SM4_BLOCK_SIZE))
+				return 0;
+			break;
+		default:
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+static int cc_cipher_init(struct crypto_tfm *tfm)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct cc_crypto_alg *cc_alg =
+			container_of(tfm->__crt_alg, struct cc_crypto_alg,
+				     skcipher_alg.base);
+	struct device *dev = drvdata_to_dev(cc_alg->drvdata);
+	unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize;
+	unsigned int fallback_req_size = 0;
+
+	dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p,
+		crypto_tfm_alg_name(tfm));
+
+	ctx_p->cipher_mode = cc_alg->cipher_mode;
+	ctx_p->flow_mode = cc_alg->flow_mode;
+	ctx_p->drvdata = cc_alg->drvdata;
+
+	if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) {
+		const char *name = crypto_tfm_alg_name(tfm);
+
+		/* Alloc hash tfm for essiv */
+		ctx_p->shash_tfm = crypto_alloc_shash("sha256", 0, 0);
+		if (IS_ERR(ctx_p->shash_tfm)) {
+			dev_err(dev, "Error allocating hash tfm for ESSIV.\n");
+			return PTR_ERR(ctx_p->shash_tfm);
+		}
+		max_key_buf_size <<= 1;
+
+		/* Alloc fallabck tfm or essiv when key size != 256 bit */
+		ctx_p->fallback_tfm =
+			crypto_alloc_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_ASYNC);
+
+		if (IS_ERR(ctx_p->fallback_tfm)) {
+			/* Note we're still allowing registration with no fallback since it's
+			 * better to have most modes supported than none at all.
+			 */
+			dev_warn(dev, "Error allocating fallback algo %s. Some modes may be available.\n",
+			       name);
+			ctx_p->fallback_tfm = NULL;
+		} else {
+			fallback_req_size = crypto_skcipher_reqsize(ctx_p->fallback_tfm);
+		}
+	}
+
+	crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm),
+				    sizeof(struct cipher_req_ctx) + fallback_req_size);
+
+	/* Allocate key buffer, cache line aligned */
+	ctx_p->user.key = kzalloc(max_key_buf_size, GFP_KERNEL);
+	if (!ctx_p->user.key)
+		goto free_fallback;
+
+	dev_dbg(dev, "Allocated key buffer in context. key=@%p\n",
+		ctx_p->user.key);
+
+	/* Map key buffer */
+	ctx_p->user.key_dma_addr = dma_map_single(dev, ctx_p->user.key,
+						  max_key_buf_size,
+						  DMA_TO_DEVICE);
+	if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) {
+		dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n",
+			max_key_buf_size, ctx_p->user.key);
+		goto free_key;
+	}
+	dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n",
+		max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr);
+
+	return 0;
+
+free_key:
+	kfree(ctx_p->user.key);
+free_fallback:
+	crypto_free_skcipher(ctx_p->fallback_tfm);
+	crypto_free_shash(ctx_p->shash_tfm);
+
+	return -ENOMEM;
+}
+
+static void cc_cipher_exit(struct crypto_tfm *tfm)
+{
+	struct crypto_alg *alg = tfm->__crt_alg;
+	struct cc_crypto_alg *cc_alg =
+			container_of(alg, struct cc_crypto_alg,
+				     skcipher_alg.base);
+	unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize;
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+
+	dev_dbg(dev, "Clearing context @%p for %s\n",
+		crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm));
+
+	if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) {
+		/* Free hash tfm for essiv */
+		crypto_free_shash(ctx_p->shash_tfm);
+		ctx_p->shash_tfm = NULL;
+		crypto_free_skcipher(ctx_p->fallback_tfm);
+		ctx_p->fallback_tfm = NULL;
+	}
+
+	/* Unmap key buffer */
+	dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size,
+			 DMA_TO_DEVICE);
+	dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n",
+		&ctx_p->user.key_dma_addr);
+
+	/* Free key buffer in context */
+	dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key);
+	kfree_sensitive(ctx_p->user.key);
+}
+
+struct tdes_keys {
+	u8	key1[DES_KEY_SIZE];
+	u8	key2[DES_KEY_SIZE];
+	u8	key3[DES_KEY_SIZE];
+};
+
+static enum cc_hw_crypto_key cc_slot_to_hw_key(u8 slot_num)
+{
+	switch (slot_num) {
+	case 0:
+		return KFDE0_KEY;
+	case 1:
+		return KFDE1_KEY;
+	case 2:
+		return KFDE2_KEY;
+	case 3:
+		return KFDE3_KEY;
+	}
+	return END_OF_KEYS;
+}
+
+static u8 cc_slot_to_cpp_key(u8 slot_num)
+{
+	return (slot_num - CC_FIRST_CPP_KEY_SLOT);
+}
+
+static inline enum cc_key_type cc_slot_to_key_type(u8 slot_num)
+{
+	if (slot_num >= CC_FIRST_HW_KEY_SLOT && slot_num <= CC_LAST_HW_KEY_SLOT)
+		return CC_HW_PROTECTED_KEY;
+	else if (slot_num >=  CC_FIRST_CPP_KEY_SLOT &&
+		 slot_num <=  CC_LAST_CPP_KEY_SLOT)
+		return CC_POLICY_PROTECTED_KEY;
+	else
+		return CC_INVALID_PROTECTED_KEY;
+}
+
+static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key,
+			     unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm);
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	struct cc_hkey_info hki;
+
+	dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n",
+		ctx_p, crypto_tfm_alg_name(tfm), keylen);
+	dump_byte_array("key", key, keylen);
+
+	/* STAT_PHASE_0: Init and sanity checks */
+
+	/* This check the size of the protected key token */
+	if (keylen != sizeof(hki)) {
+		dev_err(dev, "Unsupported protected key size %d.\n", keylen);
+		return -EINVAL;
+	}
+
+	memcpy(&hki, key, keylen);
+
+	/* The real key len for crypto op is the size of the HW key
+	 * referenced by the HW key slot, not the hardware key token
+	 */
+	keylen = hki.keylen;
+
+	if (validate_keys_sizes(ctx_p, keylen)) {
+		dev_dbg(dev, "Unsupported key size %d.\n", keylen);
+		return -EINVAL;
+	}
+
+	ctx_p->keylen = keylen;
+	ctx_p->fallback_on = false;
+
+	switch (cc_slot_to_key_type(hki.hw_key1)) {
+	case CC_HW_PROTECTED_KEY:
+		if (ctx_p->flow_mode == S_DIN_to_SM4) {
+			dev_err(dev, "Only AES HW protected keys are supported\n");
+			return -EINVAL;
+		}
+
+		ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1);
+		if (ctx_p->hw.key1_slot == END_OF_KEYS) {
+			dev_err(dev, "Unsupported hw key1 number (%d)\n",
+				hki.hw_key1);
+			return -EINVAL;
+		}
+
+		if (ctx_p->cipher_mode == DRV_CIPHER_XTS ||
+		    ctx_p->cipher_mode == DRV_CIPHER_ESSIV) {
+			if (hki.hw_key1 == hki.hw_key2) {
+				dev_err(dev, "Illegal hw key numbers (%d,%d)\n",
+					hki.hw_key1, hki.hw_key2);
+				return -EINVAL;
+			}
+
+			ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2);
+			if (ctx_p->hw.key2_slot == END_OF_KEYS) {
+				dev_err(dev, "Unsupported hw key2 number (%d)\n",
+					hki.hw_key2);
+				return -EINVAL;
+			}
+		}
+
+		ctx_p->key_type = CC_HW_PROTECTED_KEY;
+		dev_dbg(dev, "HW protected key  %d/%d set\n.",
+			ctx_p->hw.key1_slot, ctx_p->hw.key2_slot);
+		break;
+
+	case CC_POLICY_PROTECTED_KEY:
+		if (ctx_p->drvdata->hw_rev < CC_HW_REV_713) {
+			dev_err(dev, "CPP keys not supported in this hardware revision.\n");
+			return -EINVAL;
+		}
+
+		if (ctx_p->cipher_mode != DRV_CIPHER_CBC &&
+		    ctx_p->cipher_mode != DRV_CIPHER_CTR) {
+			dev_err(dev, "CPP keys only supported in CBC or CTR modes.\n");
+			return -EINVAL;
+		}
+
+		ctx_p->cpp.slot = cc_slot_to_cpp_key(hki.hw_key1);
+		if (ctx_p->flow_mode == S_DIN_to_AES)
+			ctx_p->cpp.alg = CC_CPP_AES;
+		else /* Must be SM4 since due to sethkey registration */
+			ctx_p->cpp.alg = CC_CPP_SM4;
+		ctx_p->key_type = CC_POLICY_PROTECTED_KEY;
+		dev_dbg(dev, "policy protected key alg: %d slot: %d.\n",
+			ctx_p->cpp.alg, ctx_p->cpp.slot);
+		break;
+
+	default:
+		dev_err(dev, "Unsupported protected key (%d)\n", hki.hw_key1);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key,
+			    unsigned int keylen)
+{
+	struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm);
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	struct cc_crypto_alg *cc_alg =
+			container_of(tfm->__crt_alg, struct cc_crypto_alg,
+				     skcipher_alg.base);
+	unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize;
+
+	dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n",
+		ctx_p, crypto_tfm_alg_name(tfm), keylen);
+	dump_byte_array("key", key, keylen);
+
+	/* STAT_PHASE_0: Init and sanity checks */
+
+	if (validate_keys_sizes(ctx_p, keylen)) {
+		dev_dbg(dev, "Invalid key size %d.\n", keylen);
+		return -EINVAL;
+	}
+
+	if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) {
+
+		/* We only support 256 bit ESSIV-CBC-AES keys */
+		if (keylen != AES_KEYSIZE_256)  {
+			unsigned int flags = crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_MASK;
+
+			if (likely(ctx_p->fallback_tfm)) {
+				ctx_p->fallback_on = true;
+				crypto_skcipher_clear_flags(ctx_p->fallback_tfm,
+							    CRYPTO_TFM_REQ_MASK);
+				crypto_skcipher_clear_flags(ctx_p->fallback_tfm, flags);
+				return crypto_skcipher_setkey(ctx_p->fallback_tfm, key, keylen);
+			}
+
+			dev_dbg(dev, "Unsupported key size %d and no fallback.\n", keylen);
+			return -EINVAL;
+		}
+
+		/* Internal ESSIV key buffer is double sized */
+		max_key_buf_size <<= 1;
+	}
+
+	ctx_p->fallback_on = false;
+	ctx_p->key_type = CC_UNPROTECTED_KEY;
+
+	/*
+	 * Verify DES weak keys
+	 * Note that we're dropping the expanded key since the
+	 * HW does the expansion on its own.
+	 */
+	if (ctx_p->flow_mode == S_DIN_to_DES) {
+		if ((keylen == DES3_EDE_KEY_SIZE &&
+		     verify_skcipher_des3_key(sktfm, key)) ||
+		    verify_skcipher_des_key(sktfm, key)) {
+			dev_dbg(dev, "weak DES key");
+			return -EINVAL;
+		}
+	}
+
+	if (ctx_p->cipher_mode == DRV_CIPHER_XTS &&
+	    xts_check_key(tfm, key, keylen)) {
+		dev_dbg(dev, "weak XTS key");
+		return -EINVAL;
+	}
+
+	/* STAT_PHASE_1: Copy key to ctx */
+	dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr,
+				max_key_buf_size, DMA_TO_DEVICE);
+
+	memcpy(ctx_p->user.key, key, keylen);
+
+	if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) {
+		/* sha256 for key2 - use sw implementation */
+		int err;
+
+		err = crypto_shash_tfm_digest(ctx_p->shash_tfm,
+					      ctx_p->user.key, keylen,
+					      ctx_p->user.key + keylen);
+		if (err) {
+			dev_err(dev, "Failed to hash ESSIV key.\n");
+			return err;
+		}
+
+		keylen <<= 1;
+	}
+	dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr,
+				   max_key_buf_size, DMA_TO_DEVICE);
+	ctx_p->keylen = keylen;
+
+	dev_dbg(dev, "return safely");
+	return 0;
+}
+
+static int cc_out_setup_mode(struct cc_cipher_ctx *ctx_p)
+{
+	switch (ctx_p->flow_mode) {
+	case S_DIN_to_AES:
+		return S_AES_to_DOUT;
+	case S_DIN_to_DES:
+		return S_DES_to_DOUT;
+	case S_DIN_to_SM4:
+		return S_SM4_to_DOUT;
+	default:
+		return ctx_p->flow_mode;
+	}
+}
+
+static void cc_setup_readiv_desc(struct crypto_tfm *tfm,
+				 struct cipher_req_ctx *req_ctx,
+				 unsigned int ivsize, struct cc_hw_desc desc[],
+				 unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	int cipher_mode = ctx_p->cipher_mode;
+	int flow_mode = cc_out_setup_mode(ctx_p);
+	int direction = req_ctx->gen_ctx.op_type;
+	dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr;
+
+	if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY)
+		return;
+
+	switch (cipher_mode) {
+	case DRV_CIPHER_ECB:
+		break;
+	case DRV_CIPHER_CBC:
+	case DRV_CIPHER_CBC_CTS:
+	case DRV_CIPHER_CTR:
+	case DRV_CIPHER_OFB:
+		/* Read next IV */
+		hw_desc_init(&desc[*seq_size]);
+		set_dout_dlli(&desc[*seq_size], iv_dma_addr, ivsize, NS_BIT, 1);
+		set_cipher_config0(&desc[*seq_size], direction);
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		if (cipher_mode == DRV_CIPHER_CTR ||
+		    cipher_mode == DRV_CIPHER_OFB) {
+			set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1);
+		} else {
+			set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE0);
+		}
+		set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
+		(*seq_size)++;
+		break;
+	case DRV_CIPHER_XTS:
+	case DRV_CIPHER_ESSIV:
+		/*  IV */
+		hw_desc_init(&desc[*seq_size]);
+		set_setup_mode(&desc[*seq_size], SETUP_WRITE_STATE1);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		set_cipher_config0(&desc[*seq_size], direction);
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		set_dout_dlli(&desc[*seq_size], iv_dma_addr, CC_AES_BLOCK_SIZE,
+			     NS_BIT, 1);
+		set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
+		(*seq_size)++;
+		break;
+	default:
+		dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode);
+	}
+}
+
+
+static void cc_setup_state_desc(struct crypto_tfm *tfm,
+				 struct cipher_req_ctx *req_ctx,
+				 unsigned int ivsize, unsigned int nbytes,
+				 struct cc_hw_desc desc[],
+				 unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	int cipher_mode = ctx_p->cipher_mode;
+	int flow_mode = ctx_p->flow_mode;
+	int direction = req_ctx->gen_ctx.op_type;
+	dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr;
+
+	switch (cipher_mode) {
+	case DRV_CIPHER_ECB:
+		break;
+	case DRV_CIPHER_CBC:
+	case DRV_CIPHER_CBC_CTS:
+	case DRV_CIPHER_CTR:
+	case DRV_CIPHER_OFB:
+		/* Load IV */
+		hw_desc_init(&desc[*seq_size]);
+		set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize,
+			     NS_BIT);
+		set_cipher_config0(&desc[*seq_size], direction);
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		if (cipher_mode == DRV_CIPHER_CTR ||
+		    cipher_mode == DRV_CIPHER_OFB) {
+			set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1);
+		} else {
+			set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0);
+		}
+		(*seq_size)++;
+		break;
+	case DRV_CIPHER_XTS:
+	case DRV_CIPHER_ESSIV:
+		break;
+	default:
+		dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode);
+	}
+}
+
+
+static void cc_setup_xex_state_desc(struct crypto_tfm *tfm,
+				 struct cipher_req_ctx *req_ctx,
+				 unsigned int ivsize, unsigned int nbytes,
+				 struct cc_hw_desc desc[],
+				 unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	int cipher_mode = ctx_p->cipher_mode;
+	int flow_mode = ctx_p->flow_mode;
+	int direction = req_ctx->gen_ctx.op_type;
+	dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr;
+	unsigned int key_len = (ctx_p->keylen / 2);
+	dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr;
+	unsigned int key_offset = key_len;
+
+	switch (cipher_mode) {
+	case DRV_CIPHER_ECB:
+		break;
+	case DRV_CIPHER_CBC:
+	case DRV_CIPHER_CBC_CTS:
+	case DRV_CIPHER_CTR:
+	case DRV_CIPHER_OFB:
+		break;
+	case DRV_CIPHER_XTS:
+	case DRV_CIPHER_ESSIV:
+
+		if (cipher_mode == DRV_CIPHER_ESSIV)
+			key_len = SHA256_DIGEST_SIZE;
+
+		/* load XEX key */
+		hw_desc_init(&desc[*seq_size]);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		set_cipher_config0(&desc[*seq_size], direction);
+		if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) {
+			set_hw_crypto_key(&desc[*seq_size],
+					  ctx_p->hw.key2_slot);
+		} else {
+			set_din_type(&desc[*seq_size], DMA_DLLI,
+				     (key_dma_addr + key_offset),
+				     key_len, NS_BIT);
+		}
+		set_xex_data_unit_size(&desc[*seq_size], nbytes);
+		set_flow_mode(&desc[*seq_size], S_DIN_to_AES2);
+		set_key_size_aes(&desc[*seq_size], key_len);
+		set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY);
+		(*seq_size)++;
+
+		/* Load IV */
+		hw_desc_init(&desc[*seq_size]);
+		set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		set_cipher_config0(&desc[*seq_size], direction);
+		set_key_size_aes(&desc[*seq_size], key_len);
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr,
+			     CC_AES_BLOCK_SIZE, NS_BIT);
+		(*seq_size)++;
+		break;
+	default:
+		dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode);
+	}
+}
+
+static int cc_out_flow_mode(struct cc_cipher_ctx *ctx_p)
+{
+	switch (ctx_p->flow_mode) {
+	case S_DIN_to_AES:
+		return DIN_AES_DOUT;
+	case S_DIN_to_DES:
+		return DIN_DES_DOUT;
+	case S_DIN_to_SM4:
+		return DIN_SM4_DOUT;
+	default:
+		return ctx_p->flow_mode;
+	}
+}
+
+static void cc_setup_key_desc(struct crypto_tfm *tfm,
+			      struct cipher_req_ctx *req_ctx,
+			      unsigned int nbytes, struct cc_hw_desc desc[],
+			      unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	int cipher_mode = ctx_p->cipher_mode;
+	int flow_mode = ctx_p->flow_mode;
+	int direction = req_ctx->gen_ctx.op_type;
+	dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr;
+	unsigned int key_len = ctx_p->keylen;
+	unsigned int din_size;
+
+	switch (cipher_mode) {
+	case DRV_CIPHER_CBC:
+	case DRV_CIPHER_CBC_CTS:
+	case DRV_CIPHER_CTR:
+	case DRV_CIPHER_OFB:
+	case DRV_CIPHER_ECB:
+		/* Load key */
+		hw_desc_init(&desc[*seq_size]);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		set_cipher_config0(&desc[*seq_size], direction);
+
+		if (cc_key_type(tfm) == CC_POLICY_PROTECTED_KEY) {
+			/* We use the AES key size coding for all CPP algs */
+			set_key_size_aes(&desc[*seq_size], key_len);
+			set_cpp_crypto_key(&desc[*seq_size], ctx_p->cpp.slot);
+			flow_mode = cc_out_flow_mode(ctx_p);
+		} else {
+			if (flow_mode == S_DIN_to_AES) {
+				if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) {
+					set_hw_crypto_key(&desc[*seq_size],
+							  ctx_p->hw.key1_slot);
+				} else {
+					/* CC_POLICY_UNPROTECTED_KEY
+					 * Invalid keys are filtered out in
+					 * sethkey()
+					 */
+					din_size = (key_len == 24) ?
+						AES_MAX_KEY_SIZE : key_len;
+
+					set_din_type(&desc[*seq_size], DMA_DLLI,
+						     key_dma_addr, din_size,
+						     NS_BIT);
+				}
+				set_key_size_aes(&desc[*seq_size], key_len);
+			} else {
+				/*des*/
+				set_din_type(&desc[*seq_size], DMA_DLLI,
+					     key_dma_addr, key_len, NS_BIT);
+				set_key_size_des(&desc[*seq_size], key_len);
+			}
+			set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0);
+		}
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		(*seq_size)++;
+		break;
+	case DRV_CIPHER_XTS:
+	case DRV_CIPHER_ESSIV:
+		/* Load AES key */
+		hw_desc_init(&desc[*seq_size]);
+		set_cipher_mode(&desc[*seq_size], cipher_mode);
+		set_cipher_config0(&desc[*seq_size], direction);
+		if (cc_key_type(tfm) == CC_HW_PROTECTED_KEY) {
+			set_hw_crypto_key(&desc[*seq_size],
+					  ctx_p->hw.key1_slot);
+		} else {
+			set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr,
+				     (key_len / 2), NS_BIT);
+		}
+		set_key_size_aes(&desc[*seq_size], (key_len / 2));
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0);
+		(*seq_size)++;
+		break;
+	default:
+		dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode);
+	}
+}
+
+static void cc_setup_mlli_desc(struct crypto_tfm *tfm,
+			       struct cipher_req_ctx *req_ctx,
+			       struct scatterlist *dst, struct scatterlist *src,
+			       unsigned int nbytes, void *areq,
+			       struct cc_hw_desc desc[], unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+
+	if (req_ctx->dma_buf_type == CC_DMA_BUF_MLLI) {
+		/* bypass */
+		dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n",
+			&req_ctx->mlli_params.mlli_dma_addr,
+			req_ctx->mlli_params.mlli_len,
+			ctx_p->drvdata->mlli_sram_addr);
+		hw_desc_init(&desc[*seq_size]);
+		set_din_type(&desc[*seq_size], DMA_DLLI,
+			     req_ctx->mlli_params.mlli_dma_addr,
+			     req_ctx->mlli_params.mlli_len, NS_BIT);
+		set_dout_sram(&desc[*seq_size],
+			      ctx_p->drvdata->mlli_sram_addr,
+			      req_ctx->mlli_params.mlli_len);
+		set_flow_mode(&desc[*seq_size], BYPASS);
+		(*seq_size)++;
+	}
+}
+
+static void cc_setup_flow_desc(struct crypto_tfm *tfm,
+			       struct cipher_req_ctx *req_ctx,
+			       struct scatterlist *dst, struct scatterlist *src,
+			       unsigned int nbytes, struct cc_hw_desc desc[],
+			       unsigned int *seq_size)
+{
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	unsigned int flow_mode = cc_out_flow_mode(ctx_p);
+	bool last_desc = (ctx_p->key_type == CC_POLICY_PROTECTED_KEY ||
+			  ctx_p->cipher_mode == DRV_CIPHER_ECB);
+
+	/* Process */
+	if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) {
+		dev_dbg(dev, " data params addr %pad length 0x%X\n",
+			&sg_dma_address(src), nbytes);
+		dev_dbg(dev, " data params addr %pad length 0x%X\n",
+			&sg_dma_address(dst), nbytes);
+		hw_desc_init(&desc[*seq_size]);
+		set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src),
+			     nbytes, NS_BIT);
+		set_dout_dlli(&desc[*seq_size], sg_dma_address(dst),
+			      nbytes, NS_BIT, (!last_desc ? 0 : 1));
+		if (last_desc)
+			set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
+
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		(*seq_size)++;
+	} else {
+		hw_desc_init(&desc[*seq_size]);
+		set_din_type(&desc[*seq_size], DMA_MLLI,
+			     ctx_p->drvdata->mlli_sram_addr,
+			     req_ctx->in_mlli_nents, NS_BIT);
+		if (req_ctx->out_nents == 0) {
+			dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n",
+				ctx_p->drvdata->mlli_sram_addr,
+				ctx_p->drvdata->mlli_sram_addr);
+			set_dout_mlli(&desc[*seq_size],
+				      ctx_p->drvdata->mlli_sram_addr,
+				      req_ctx->in_mlli_nents, NS_BIT,
+				      (!last_desc ? 0 : 1));
+		} else {
+			dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n",
+				ctx_p->drvdata->mlli_sram_addr,
+				ctx_p->drvdata->mlli_sram_addr +
+				(u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents);
+			set_dout_mlli(&desc[*seq_size],
+				      (ctx_p->drvdata->mlli_sram_addr +
+				       (LLI_ENTRY_BYTE_SIZE *
+					req_ctx->in_mlli_nents)),
+				      req_ctx->out_mlli_nents, NS_BIT,
+				      (!last_desc ? 0 : 1));
+		}
+		if (last_desc)
+			set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]);
+
+		set_flow_mode(&desc[*seq_size], flow_mode);
+		(*seq_size)++;
+	}
+}
+
+static void cc_cipher_complete(struct device *dev, void *cc_req, int err)
+{
+	struct skcipher_request *req = (struct skcipher_request *)cc_req;
+	struct scatterlist *dst = req->dst;
+	struct scatterlist *src = req->src;
+	struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req);
+	struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req);
+	unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm);
+
+	if (err != -EINPROGRESS) {
+		/* Not a BACKLOG notification */
+		cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst);
+		memcpy(req->iv, req_ctx->iv, ivsize);
+		kfree_sensitive(req_ctx->iv);
+	}
+
+	skcipher_request_complete(req, err);
+}
+
+static int cc_cipher_process(struct skcipher_request *req,
+			     enum drv_crypto_direction direction)
+{
+	struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req);
+	struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm);
+	struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req);
+	unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm);
+	struct scatterlist *dst = req->dst;
+	struct scatterlist *src = req->src;
+	unsigned int nbytes = req->cryptlen;
+	void *iv = req->iv;
+	struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx_p->drvdata);
+	struct cc_hw_desc desc[MAX_SKCIPHER_SEQ_LEN];
+	struct cc_crypto_req cc_req = {};
+	int rc;
+	unsigned int seq_len = 0;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n",
+		((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ?
+		"Encrypt" : "Decrypt"), req, iv, nbytes);
+
+	/* STAT_PHASE_0: Init and sanity checks */
+
+	if (validate_data_size(ctx_p, nbytes)) {
+		dev_dbg(dev, "Unsupported data size %d.\n", nbytes);
+		rc = -EINVAL;
+		goto exit_process;
+	}
+	if (nbytes == 0) {
+		/* No data to process is valid */
+		rc = 0;
+		goto exit_process;
+	}
+
+	if (ctx_p->fallback_on) {
+		struct skcipher_request *subreq = skcipher_request_ctx(req);
+
+		*subreq = *req;
+		skcipher_request_set_tfm(subreq, ctx_p->fallback_tfm);
+		if (direction == DRV_CRYPTO_DIRECTION_ENCRYPT)
+			return crypto_skcipher_encrypt(subreq);
+		else
+			return crypto_skcipher_decrypt(subreq);
+	}
+
+	/* The IV we are handed may be allocated from the stack so
+	 * we must copy it to a DMAable buffer before use.
+	 */
+	req_ctx->iv = kmemdup(iv, ivsize, flags);
+	if (!req_ctx->iv) {
+		rc = -ENOMEM;
+		goto exit_process;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_cipher_complete;
+	cc_req.user_arg = req;
+
+	/* Setup CPP operation details */
+	if (ctx_p->key_type == CC_POLICY_PROTECTED_KEY) {
+		cc_req.cpp.is_cpp = true;
+		cc_req.cpp.alg = ctx_p->cpp.alg;
+		cc_req.cpp.slot = ctx_p->cpp.slot;
+	}
+
+	/* Setup request context */
+	req_ctx->gen_ctx.op_type = direction;
+
+	/* STAT_PHASE_1: Map buffers */
+
+	rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes,
+				      req_ctx->iv, src, dst, flags);
+	if (rc) {
+		dev_err(dev, "map_request() failed\n");
+		goto exit_process;
+	}
+
+	/* STAT_PHASE_2: Create sequence */
+
+	/* Setup state (IV)  */
+	cc_setup_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len);
+	/* Setup MLLI line, if needed */
+	cc_setup_mlli_desc(tfm, req_ctx, dst, src, nbytes, req, desc, &seq_len);
+	/* Setup key */
+	cc_setup_key_desc(tfm, req_ctx, nbytes, desc, &seq_len);
+	/* Setup state (IV and XEX key)  */
+	cc_setup_xex_state_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len);
+	/* Data processing */
+	cc_setup_flow_desc(tfm, req_ctx, dst, src, nbytes, desc, &seq_len);
+	/* Read next IV */
+	cc_setup_readiv_desc(tfm, req_ctx, ivsize, desc, &seq_len);
+
+	/* STAT_PHASE_3: Lock HW and push sequence */
+
+	rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len,
+			     &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		/* Failed to send the request or request completed
+		 * synchronously
+		 */
+		cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst);
+	}
+
+exit_process:
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		kfree_sensitive(req_ctx->iv);
+	}
+
+	return rc;
+}
+
+static int cc_cipher_encrypt(struct skcipher_request *req)
+{
+	struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req);
+
+	memset(req_ctx, 0, sizeof(*req_ctx));
+
+	return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
+}
+
+static int cc_cipher_decrypt(struct skcipher_request *req)
+{
+	struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req);
+
+	memset(req_ctx, 0, sizeof(*req_ctx));
+
+	return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT);
+}
+
+/* Block cipher alg */
+static const struct cc_alg_template skcipher_algs[] = {
+	{
+		.name = "xts(paes)",
+		.driver_name = "xts-paes-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_XTS,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "essiv(cbc(paes),sha256)",
+		.driver_name = "essiv-paes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_ESSIV,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "ecb(paes)",
+		.driver_name = "ecb-paes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = 0,
+			},
+		.cipher_mode = DRV_CIPHER_ECB,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "cbc(paes)",
+		.driver_name = "cbc-paes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "ofb(paes)",
+		.driver_name = "ofb-paes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_OFB,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "cts(cbc(paes))",
+		.driver_name = "cts-cbc-paes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC_CTS,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		.name = "ctr(paes)",
+		.driver_name = "ctr-paes-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+		.sec_func = true,
+	},
+	{
+		/* See https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg40576.html
+		 * for the reason why this differs from the generic
+		 * implementation.
+		 */
+		.name = "xts(aes)",
+		.driver_name = "xts-aes-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE * 2,
+			.max_keysize = AES_MAX_KEY_SIZE * 2,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_XTS,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "essiv(cbc(aes),sha256)",
+		.driver_name = "essiv-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_ESSIV,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ecb(aes)",
+		.driver_name = "ecb-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = 0,
+			},
+		.cipher_mode = DRV_CIPHER_ECB,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "cbc(aes)",
+		.driver_name = "cbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+		},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ofb(aes)",
+		.driver_name = "ofb-aes-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_OFB,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "cts(cbc(aes))",
+		.driver_name = "cts-cbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC_CTS,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ctr(aes)",
+		.driver_name = "ctr-aes-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = AES_MIN_KEY_SIZE,
+			.max_keysize = AES_MAX_KEY_SIZE,
+			.ivsize = AES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_AES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "cbc(des3_ede)",
+		.driver_name = "cbc-3des-ccree",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = DES3_EDE_KEY_SIZE,
+			.max_keysize = DES3_EDE_KEY_SIZE,
+			.ivsize = DES3_EDE_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_DES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ecb(des3_ede)",
+		.driver_name = "ecb-3des-ccree",
+		.blocksize = DES3_EDE_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = DES3_EDE_KEY_SIZE,
+			.max_keysize = DES3_EDE_KEY_SIZE,
+			.ivsize = 0,
+			},
+		.cipher_mode = DRV_CIPHER_ECB,
+		.flow_mode = S_DIN_to_DES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "cbc(des)",
+		.driver_name = "cbc-des-ccree",
+		.blocksize = DES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = DES_KEY_SIZE,
+			.max_keysize = DES_KEY_SIZE,
+			.ivsize = DES_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_DES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "ecb(des)",
+		.driver_name = "ecb-des-ccree",
+		.blocksize = DES_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = DES_KEY_SIZE,
+			.max_keysize = DES_KEY_SIZE,
+			.ivsize = 0,
+			},
+		.cipher_mode = DRV_CIPHER_ECB,
+		.flow_mode = S_DIN_to_DES,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "cbc(sm4)",
+		.driver_name = "cbc-sm4-ccree",
+		.blocksize = SM4_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = SM4_KEY_SIZE,
+			.max_keysize = SM4_KEY_SIZE,
+			.ivsize = SM4_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_SM4,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+	},
+	{
+		.name = "ecb(sm4)",
+		.driver_name = "ecb-sm4-ccree",
+		.blocksize = SM4_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = SM4_KEY_SIZE,
+			.max_keysize = SM4_KEY_SIZE,
+			.ivsize = 0,
+			},
+		.cipher_mode = DRV_CIPHER_ECB,
+		.flow_mode = S_DIN_to_SM4,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+	},
+	{
+		.name = "ctr(sm4)",
+		.driver_name = "ctr-sm4-ccree",
+		.blocksize = 1,
+		.template_skcipher = {
+			.setkey = cc_cipher_setkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = SM4_KEY_SIZE,
+			.max_keysize = SM4_KEY_SIZE,
+			.ivsize = SM4_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_SM4,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+	},
+	{
+		.name = "cbc(psm4)",
+		.driver_name = "cbc-psm4-ccree",
+		.blocksize = SM4_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = SM4_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CBC,
+		.flow_mode = S_DIN_to_SM4,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+		.sec_func = true,
+	},
+	{
+		.name = "ctr(psm4)",
+		.driver_name = "ctr-psm4-ccree",
+		.blocksize = SM4_BLOCK_SIZE,
+		.template_skcipher = {
+			.setkey = cc_cipher_sethkey,
+			.encrypt = cc_cipher_encrypt,
+			.decrypt = cc_cipher_decrypt,
+			.min_keysize = CC_HW_KEY_SIZE,
+			.max_keysize = CC_HW_KEY_SIZE,
+			.ivsize = SM4_BLOCK_SIZE,
+			},
+		.cipher_mode = DRV_CIPHER_CTR,
+		.flow_mode = S_DIN_to_SM4,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+		.sec_func = true,
+	},
+};
+
+static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl,
+					   struct device *dev)
+{
+	struct cc_crypto_alg *t_alg;
+	struct skcipher_alg *alg;
+
+	t_alg = devm_kzalloc(dev, sizeof(*t_alg), GFP_KERNEL);
+	if (!t_alg)
+		return ERR_PTR(-ENOMEM);
+
+	alg = &t_alg->skcipher_alg;
+
+	memcpy(alg, &tmpl->template_skcipher, sizeof(*alg));
+
+	snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name);
+	snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
+		 tmpl->driver_name);
+	alg->base.cra_module = THIS_MODULE;
+	alg->base.cra_priority = CC_CRA_PRIO;
+	alg->base.cra_blocksize = tmpl->blocksize;
+	alg->base.cra_alignmask = 0;
+	alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx);
+
+	alg->base.cra_init = cc_cipher_init;
+	alg->base.cra_exit = cc_cipher_exit;
+	alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
+
+	t_alg->cipher_mode = tmpl->cipher_mode;
+	t_alg->flow_mode = tmpl->flow_mode;
+
+	return t_alg;
+}
+
+int cc_cipher_free(struct cc_drvdata *drvdata)
+{
+	struct cc_crypto_alg *t_alg, *n;
+
+	/* Remove registered algs */
+	list_for_each_entry_safe(t_alg, n, &drvdata->alg_list, entry) {
+		crypto_unregister_skcipher(&t_alg->skcipher_alg);
+		list_del(&t_alg->entry);
+	}
+	return 0;
+}
+
+int cc_cipher_alloc(struct cc_drvdata *drvdata)
+{
+	struct cc_crypto_alg *t_alg;
+	struct device *dev = drvdata_to_dev(drvdata);
+	int rc = -ENOMEM;
+	int alg;
+
+	INIT_LIST_HEAD(&drvdata->alg_list);
+
+	/* Linux crypto */
+	dev_dbg(dev, "Number of algorithms = %zu\n",
+		ARRAY_SIZE(skcipher_algs));
+	for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) {
+		if ((skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) ||
+		    !(drvdata->std_bodies & skcipher_algs[alg].std_body) ||
+		    (drvdata->sec_disabled && skcipher_algs[alg].sec_func))
+			continue;
+
+		dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name);
+		t_alg = cc_create_alg(&skcipher_algs[alg], dev);
+		if (IS_ERR(t_alg)) {
+			rc = PTR_ERR(t_alg);
+			dev_err(dev, "%s alg allocation failed\n",
+				skcipher_algs[alg].driver_name);
+			goto fail0;
+		}
+		t_alg->drvdata = drvdata;
+
+		dev_dbg(dev, "registering %s\n",
+			skcipher_algs[alg].driver_name);
+		rc = crypto_register_skcipher(&t_alg->skcipher_alg);
+		dev_dbg(dev, "%s alg registration rc = %x\n",
+			t_alg->skcipher_alg.base.cra_driver_name, rc);
+		if (rc) {
+			dev_err(dev, "%s alg registration failed\n",
+				t_alg->skcipher_alg.base.cra_driver_name);
+			goto fail0;
+		}
+
+		list_add_tail(&t_alg->entry, &drvdata->alg_list);
+		dev_dbg(dev, "Registered %s\n",
+			t_alg->skcipher_alg.base.cra_driver_name);
+	}
+	return 0;
+
+fail0:
+	cc_cipher_free(drvdata);
+	return rc;
+}
diff --git a/drivers/crypto/ccree/cc_cipher.h b/drivers/crypto/ccree/cc_cipher.h
new file mode 100644
index 000000000..da3a38707
--- /dev/null
+++ b/drivers/crypto/ccree/cc_cipher.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_cipher.h
+ * ARM CryptoCell Cipher Crypto API
+ */
+
+#ifndef __CC_CIPHER_H__
+#define __CC_CIPHER_H__
+
+#include <linux/kernel.h>
+#include <crypto/algapi.h>
+#include "cc_driver.h"
+#include "cc_buffer_mgr.h"
+
+struct cipher_req_ctx {
+	struct async_gen_req_ctx gen_ctx;
+	enum cc_req_dma_buf_type dma_buf_type;
+	u32 in_nents;
+	u32 in_mlli_nents;
+	u32 out_nents;
+	u32 out_mlli_nents;
+	u8 *iv;
+	struct mlli_params mlli_params;
+};
+
+int cc_cipher_alloc(struct cc_drvdata *drvdata);
+
+int cc_cipher_free(struct cc_drvdata *drvdata);
+
+struct cc_hkey_info {
+	u16 keylen;
+	u8 hw_key1;
+	u8 hw_key2;
+} __packed;
+
+#define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
+
+#endif /*__CC_CIPHER_H__*/
diff --git a/drivers/crypto/ccree/cc_crypto_ctx.h b/drivers/crypto/ccree/cc_crypto_ctx.h
new file mode 100644
index 000000000..bd9a1c089
--- /dev/null
+++ b/drivers/crypto/ccree/cc_crypto_ctx.h
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef _CC_CRYPTO_CTX_H_
+#define _CC_CRYPTO_CTX_H_
+
+#include <linux/types.h>
+
+#define CC_DRV_DES_IV_SIZE 8
+#define CC_DRV_DES_BLOCK_SIZE 8
+
+#define CC_DRV_DES_ONE_KEY_SIZE 8
+#define CC_DRV_DES_DOUBLE_KEY_SIZE 16
+#define CC_DRV_DES_TRIPLE_KEY_SIZE 24
+#define CC_DRV_DES_KEY_SIZE_MAX CC_DRV_DES_TRIPLE_KEY_SIZE
+
+#define CC_AES_IV_SIZE 16
+#define CC_AES_IV_SIZE_WORDS (CC_AES_IV_SIZE >> 2)
+
+#define CC_AES_BLOCK_SIZE 16
+#define CC_AES_BLOCK_SIZE_WORDS 4
+
+#define CC_AES_128_BIT_KEY_SIZE 16
+#define CC_AES_128_BIT_KEY_SIZE_WORDS	(CC_AES_128_BIT_KEY_SIZE >> 2)
+#define CC_AES_192_BIT_KEY_SIZE 24
+#define CC_AES_192_BIT_KEY_SIZE_WORDS	(CC_AES_192_BIT_KEY_SIZE >> 2)
+#define CC_AES_256_BIT_KEY_SIZE 32
+#define CC_AES_256_BIT_KEY_SIZE_WORDS	(CC_AES_256_BIT_KEY_SIZE >> 2)
+#define CC_AES_KEY_SIZE_MAX			CC_AES_256_BIT_KEY_SIZE
+#define CC_AES_KEY_SIZE_WORDS_MAX		(CC_AES_KEY_SIZE_MAX >> 2)
+
+#define CC_MD5_DIGEST_SIZE	16
+#define CC_SHA1_DIGEST_SIZE	20
+#define CC_SHA224_DIGEST_SIZE	28
+#define CC_SHA256_DIGEST_SIZE	32
+#define CC_SHA256_DIGEST_SIZE_IN_WORDS 8
+#define CC_SHA384_DIGEST_SIZE	48
+#define CC_SHA512_DIGEST_SIZE	64
+
+#define CC_SHA1_BLOCK_SIZE 64
+#define CC_SHA1_BLOCK_SIZE_IN_WORDS 16
+#define CC_MD5_BLOCK_SIZE 64
+#define CC_MD5_BLOCK_SIZE_IN_WORDS 16
+#define CC_SHA224_BLOCK_SIZE 64
+#define CC_SHA256_BLOCK_SIZE 64
+#define CC_SHA256_BLOCK_SIZE_IN_WORDS 16
+#define CC_SHA1_224_256_BLOCK_SIZE 64
+#define CC_SHA384_BLOCK_SIZE 128
+#define CC_SHA512_BLOCK_SIZE 128
+
+#define CC_DIGEST_SIZE_MAX CC_SHA512_DIGEST_SIZE
+#define CC_HASH_BLOCK_SIZE_MAX CC_SHA512_BLOCK_SIZE /*1024b*/
+
+#define CC_HMAC_BLOCK_SIZE_MAX CC_HASH_BLOCK_SIZE_MAX
+
+#define CC_DRV_ALG_MAX_BLOCK_SIZE CC_HASH_BLOCK_SIZE_MAX
+
+#define CC_CPP_NUM_SLOTS	8
+#define CC_CPP_NUM_ALGS		2
+
+enum cc_cpp_alg {
+	CC_CPP_SM4 = 1,
+	CC_CPP_AES = 0
+};
+
+enum drv_engine_type {
+	DRV_ENGINE_NULL = 0,
+	DRV_ENGINE_AES = 1,
+	DRV_ENGINE_DES = 2,
+	DRV_ENGINE_HASH = 3,
+	DRV_ENGINE_RC4 = 4,
+	DRV_ENGINE_DOUT = 5,
+	DRV_ENGINE_RESERVE32B = S32_MAX,
+};
+
+enum drv_crypto_alg {
+	DRV_CRYPTO_ALG_NULL = -1,
+	DRV_CRYPTO_ALG_AES  = 0,
+	DRV_CRYPTO_ALG_DES  = 1,
+	DRV_CRYPTO_ALG_HASH = 2,
+	DRV_CRYPTO_ALG_C2   = 3,
+	DRV_CRYPTO_ALG_HMAC = 4,
+	DRV_CRYPTO_ALG_AEAD = 5,
+	DRV_CRYPTO_ALG_BYPASS = 6,
+	DRV_CRYPTO_ALG_NUM = 7,
+	DRV_CRYPTO_ALG_RESERVE32B = S32_MAX
+};
+
+enum drv_crypto_direction {
+	DRV_CRYPTO_DIRECTION_NULL = -1,
+	DRV_CRYPTO_DIRECTION_ENCRYPT = 0,
+	DRV_CRYPTO_DIRECTION_DECRYPT = 1,
+	DRV_CRYPTO_DIRECTION_DECRYPT_ENCRYPT = 3,
+	DRV_CRYPTO_DIRECTION_RESERVE32B = S32_MAX
+};
+
+enum drv_cipher_mode {
+	DRV_CIPHER_NULL_MODE = -1,
+	DRV_CIPHER_ECB = 0,
+	DRV_CIPHER_CBC = 1,
+	DRV_CIPHER_CTR = 2,
+	DRV_CIPHER_CBC_MAC = 3,
+	DRV_CIPHER_XTS = 4,
+	DRV_CIPHER_XCBC_MAC = 5,
+	DRV_CIPHER_OFB = 6,
+	DRV_CIPHER_CMAC = 7,
+	DRV_CIPHER_CCM = 8,
+	DRV_CIPHER_CBC_CTS = 11,
+	DRV_CIPHER_GCTR = 12,
+	DRV_CIPHER_ESSIV = 13,
+	DRV_CIPHER_RESERVE32B = S32_MAX
+};
+
+enum drv_hash_mode {
+	DRV_HASH_NULL = -1,
+	DRV_HASH_SHA1 = 0,
+	DRV_HASH_SHA256 = 1,
+	DRV_HASH_SHA224 = 2,
+	DRV_HASH_SHA512 = 3,
+	DRV_HASH_SHA384 = 4,
+	DRV_HASH_MD5 = 5,
+	DRV_HASH_CBC_MAC = 6,
+	DRV_HASH_XCBC_MAC = 7,
+	DRV_HASH_CMAC = 8,
+	DRV_HASH_SM3 = 9,
+	DRV_HASH_MODE_NUM = 10,
+	DRV_HASH_RESERVE32B = S32_MAX
+};
+
+enum drv_hash_hw_mode {
+	DRV_HASH_HW_MD5 = 0,
+	DRV_HASH_HW_SHA1 = 1,
+	DRV_HASH_HW_SHA256 = 2,
+	DRV_HASH_HW_SHA224 = 10,
+	DRV_HASH_HW_SHA512 = 4,
+	DRV_HASH_HW_SHA384 = 12,
+	DRV_HASH_HW_GHASH = 6,
+	DRV_HASH_HW_SM3 = 14,
+	DRV_HASH_HW_RESERVE32B = S32_MAX
+};
+
+#endif /* _CC_CRYPTO_CTX_H_ */
diff --git a/drivers/crypto/ccree/cc_debugfs.c b/drivers/crypto/ccree/cc_debugfs.c
new file mode 100644
index 000000000..8f008f024
--- /dev/null
+++ b/drivers/crypto/ccree/cc_debugfs.c
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */
+
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/stringify.h>
+#include "cc_driver.h"
+#include "cc_crypto_ctx.h"
+#include "cc_debugfs.h"
+
+#define CC_DEBUG_REG(_X) {	\
+	.name = __stringify(_X),\
+	.offset = CC_REG(_X)	\
+	}
+
+/*
+ * This is a global var for the dentry of the
+ * debugfs ccree/ dir. It is not tied down to
+ * a specific instance of ccree, hence it is
+ * global.
+ */
+static struct dentry *cc_debugfs_dir;
+
+static struct debugfs_reg32 ver_sig_regs[] = {
+	{ .name = "SIGNATURE" }, /* Must be 0th */
+	{ .name = "VERSION" }, /* Must be 1st */
+};
+
+static const struct debugfs_reg32 pid_cid_regs[] = {
+	CC_DEBUG_REG(PERIPHERAL_ID_0),
+	CC_DEBUG_REG(PERIPHERAL_ID_1),
+	CC_DEBUG_REG(PERIPHERAL_ID_2),
+	CC_DEBUG_REG(PERIPHERAL_ID_3),
+	CC_DEBUG_REG(PERIPHERAL_ID_4),
+	CC_DEBUG_REG(COMPONENT_ID_0),
+	CC_DEBUG_REG(COMPONENT_ID_1),
+	CC_DEBUG_REG(COMPONENT_ID_2),
+	CC_DEBUG_REG(COMPONENT_ID_3),
+};
+
+static const struct debugfs_reg32 debug_regs[] = {
+	CC_DEBUG_REG(HOST_IRR),
+	CC_DEBUG_REG(HOST_POWER_DOWN_EN),
+	CC_DEBUG_REG(AXIM_MON_ERR),
+	CC_DEBUG_REG(DSCRPTR_QUEUE_CONTENT),
+	CC_DEBUG_REG(HOST_IMR),
+	CC_DEBUG_REG(AXIM_CFG),
+	CC_DEBUG_REG(AXIM_CACHE_PARAMS),
+	CC_DEBUG_REG(GPR_HOST),
+	CC_DEBUG_REG(AXIM_MON_COMP),
+};
+
+void __init cc_debugfs_global_init(void)
+{
+	cc_debugfs_dir = debugfs_create_dir("ccree", NULL);
+}
+
+void cc_debugfs_global_fini(void)
+{
+	debugfs_remove(cc_debugfs_dir);
+}
+
+int cc_debugfs_init(struct cc_drvdata *drvdata)
+{
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct debugfs_regset32 *regset, *verset;
+
+	regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
+	if (!regset)
+		return -ENOMEM;
+
+	regset->regs = debug_regs;
+	regset->nregs = ARRAY_SIZE(debug_regs);
+	regset->base = drvdata->cc_base;
+	regset->dev = dev;
+
+	drvdata->dir = debugfs_create_dir(drvdata->plat_dev->name,
+					  cc_debugfs_dir);
+
+	debugfs_create_regset32("regs", 0400, drvdata->dir, regset);
+	debugfs_create_bool("coherent", 0400, drvdata->dir, &drvdata->coherent);
+
+	verset = devm_kzalloc(dev, sizeof(*verset), GFP_KERNEL);
+	/* Failing here is not important enough to fail the module load */
+	if (!verset)
+		return 0;
+
+	if (drvdata->hw_rev <= CC_HW_REV_712) {
+		ver_sig_regs[0].offset = drvdata->sig_offset;
+		ver_sig_regs[1].offset = drvdata->ver_offset;
+		verset->regs = ver_sig_regs;
+		verset->nregs = ARRAY_SIZE(ver_sig_regs);
+	} else {
+		verset->regs = pid_cid_regs;
+		verset->nregs = ARRAY_SIZE(pid_cid_regs);
+	}
+	verset->base = drvdata->cc_base;
+	verset->dev = dev;
+
+	debugfs_create_regset32("version", 0400, drvdata->dir, verset);
+	return 0;
+}
+
+void cc_debugfs_fini(struct cc_drvdata *drvdata)
+{
+	debugfs_remove_recursive(drvdata->dir);
+}
diff --git a/drivers/crypto/ccree/cc_debugfs.h b/drivers/crypto/ccree/cc_debugfs.h
new file mode 100644
index 000000000..664ff402e
--- /dev/null
+++ b/drivers/crypto/ccree/cc_debugfs.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef __CC_DEBUGFS_H__
+#define __CC_DEBUGFS_H__
+
+#ifdef CONFIG_DEBUG_FS
+void cc_debugfs_global_init(void);
+void cc_debugfs_global_fini(void);
+
+int cc_debugfs_init(struct cc_drvdata *drvdata);
+void cc_debugfs_fini(struct cc_drvdata *drvdata);
+
+#else
+
+static inline void cc_debugfs_global_init(void) {}
+static inline void cc_debugfs_global_fini(void) {}
+
+static inline int cc_debugfs_init(struct cc_drvdata *drvdata)
+{
+	return 0;
+}
+
+static inline void cc_debugfs_fini(struct cc_drvdata *drvdata) {}
+
+#endif
+
+#endif /*__CC_SYSFS_H__*/
diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c
new file mode 100644
index 000000000..d489c6f80
--- /dev/null
+++ b/drivers/crypto/ccree/cc_driver.c
@@ -0,0 +1,679 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <linux/crypto.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
+
+#include "cc_driver.h"
+#include "cc_request_mgr.h"
+#include "cc_buffer_mgr.h"
+#include "cc_debugfs.h"
+#include "cc_cipher.h"
+#include "cc_aead.h"
+#include "cc_hash.h"
+#include "cc_sram_mgr.h"
+#include "cc_pm.h"
+#include "cc_fips.h"
+
+bool cc_dump_desc;
+module_param_named(dump_desc, cc_dump_desc, bool, 0600);
+MODULE_PARM_DESC(cc_dump_desc, "Dump descriptors to kernel log as debugging aid");
+bool cc_dump_bytes;
+module_param_named(dump_bytes, cc_dump_bytes, bool, 0600);
+MODULE_PARM_DESC(cc_dump_bytes, "Dump buffers to kernel log as debugging aid");
+
+static bool cc_sec_disable;
+module_param_named(sec_disable, cc_sec_disable, bool, 0600);
+MODULE_PARM_DESC(cc_sec_disable, "Disable security functions");
+
+struct cc_hw_data {
+	char *name;
+	enum cc_hw_rev rev;
+	u32 sig;
+	u32 cidr_0123;
+	u32 pidr_0124;
+	int std_bodies;
+};
+
+#define CC_NUM_IDRS 4
+#define CC_HW_RESET_LOOP_COUNT 10
+
+/* Note: PIDR3 holds CMOD/Rev so ignored for HW identification purposes */
+static const u32 pidr_0124_offsets[CC_NUM_IDRS] = {
+	CC_REG(PERIPHERAL_ID_0), CC_REG(PERIPHERAL_ID_1),
+	CC_REG(PERIPHERAL_ID_2), CC_REG(PERIPHERAL_ID_4)
+};
+
+static const u32 cidr_0123_offsets[CC_NUM_IDRS] = {
+	CC_REG(COMPONENT_ID_0), CC_REG(COMPONENT_ID_1),
+	CC_REG(COMPONENT_ID_2), CC_REG(COMPONENT_ID_3)
+};
+
+/* Hardware revisions defs. */
+
+/* The 703 is a OSCCA only variant of the 713 */
+static const struct cc_hw_data cc703_hw = {
+	.name = "703", .rev = CC_HW_REV_713, .cidr_0123 = 0xB105F00DU,
+	.pidr_0124 = 0x040BB0D0U, .std_bodies = CC_STD_OSCCA
+};
+
+static const struct cc_hw_data cc713_hw = {
+	.name = "713", .rev = CC_HW_REV_713, .cidr_0123 = 0xB105F00DU,
+	.pidr_0124 = 0x040BB0D0U, .std_bodies = CC_STD_ALL
+};
+
+static const struct cc_hw_data cc712_hw = {
+	.name = "712", .rev = CC_HW_REV_712, .sig =  0xDCC71200U,
+	.std_bodies = CC_STD_ALL
+};
+
+static const struct cc_hw_data cc710_hw = {
+	.name = "710", .rev = CC_HW_REV_710, .sig =  0xDCC63200U,
+	.std_bodies = CC_STD_ALL
+};
+
+static const struct cc_hw_data cc630p_hw = {
+	.name = "630P", .rev = CC_HW_REV_630, .sig = 0xDCC63000U,
+	.std_bodies = CC_STD_ALL
+};
+
+static const struct of_device_id arm_ccree_dev_of_match[] = {
+	{ .compatible = "arm,cryptocell-703-ree", .data = &cc703_hw },
+	{ .compatible = "arm,cryptocell-713-ree", .data = &cc713_hw },
+	{ .compatible = "arm,cryptocell-712-ree", .data = &cc712_hw },
+	{ .compatible = "arm,cryptocell-710-ree", .data = &cc710_hw },
+	{ .compatible = "arm,cryptocell-630p-ree", .data = &cc630p_hw },
+	{}
+};
+MODULE_DEVICE_TABLE(of, arm_ccree_dev_of_match);
+
+static void init_cc_cache_params(struct cc_drvdata *drvdata)
+{
+	struct device *dev = drvdata_to_dev(drvdata);
+	u32 cache_params, ace_const, val;
+	u64 mask;
+
+	/* compute CC_AXIM_CACHE_PARAMS */
+	cache_params = cc_ioread(drvdata, CC_REG(AXIM_CACHE_PARAMS));
+	dev_dbg(dev, "Cache params previous: 0x%08X\n", cache_params);
+
+	/* non cached or write-back, write allocate */
+	val = drvdata->coherent ? 0xb : 0x2;
+
+	mask = CC_GENMASK(CC_AXIM_CACHE_PARAMS_AWCACHE);
+	cache_params &= ~mask;
+	cache_params |= FIELD_PREP(mask, val);
+
+	mask = CC_GENMASK(CC_AXIM_CACHE_PARAMS_AWCACHE_LAST);
+	cache_params &= ~mask;
+	cache_params |= FIELD_PREP(mask, val);
+
+	mask = CC_GENMASK(CC_AXIM_CACHE_PARAMS_ARCACHE);
+	cache_params &= ~mask;
+	cache_params |= FIELD_PREP(mask, val);
+
+	drvdata->cache_params = cache_params;
+
+	dev_dbg(dev, "Cache params current: 0x%08X\n", cache_params);
+
+	if (drvdata->hw_rev <= CC_HW_REV_710)
+		return;
+
+	/* compute CC_AXIM_ACE_CONST */
+	ace_const = cc_ioread(drvdata, CC_REG(AXIM_ACE_CONST));
+	dev_dbg(dev, "ACE-const previous: 0x%08X\n", ace_const);
+
+	/* system or outer-sharable */
+	val = drvdata->coherent ? 0x2 : 0x3;
+
+	mask = CC_GENMASK(CC_AXIM_ACE_CONST_ARDOMAIN);
+	ace_const &= ~mask;
+	ace_const |= FIELD_PREP(mask, val);
+
+	mask = CC_GENMASK(CC_AXIM_ACE_CONST_AWDOMAIN);
+	ace_const &= ~mask;
+	ace_const |= FIELD_PREP(mask, val);
+
+	dev_dbg(dev, "ACE-const current: 0x%08X\n", ace_const);
+
+	drvdata->ace_const = ace_const;
+}
+
+static u32 cc_read_idr(struct cc_drvdata *drvdata, const u32 *idr_offsets)
+{
+	int i;
+	union {
+		u8 regs[CC_NUM_IDRS];
+		__le32 val;
+	} idr;
+
+	for (i = 0; i < CC_NUM_IDRS; ++i)
+		idr.regs[i] = cc_ioread(drvdata, idr_offsets[i]);
+
+	return le32_to_cpu(idr.val);
+}
+
+void __dump_byte_array(const char *name, const u8 *buf, size_t len)
+{
+	char prefix[64];
+
+	if (!buf)
+		return;
+
+	snprintf(prefix, sizeof(prefix), "%s[%zu]: ", name, len);
+
+	print_hex_dump(KERN_DEBUG, prefix, DUMP_PREFIX_ADDRESS, 16, 1, buf,
+		       len, false);
+}
+
+static irqreturn_t cc_isr(int irq, void *dev_id)
+{
+	struct cc_drvdata *drvdata = (struct cc_drvdata *)dev_id;
+	struct device *dev = drvdata_to_dev(drvdata);
+	u32 irr;
+	u32 imr;
+
+	/* STAT_OP_TYPE_GENERIC STAT_PHASE_0: Interrupt */
+	/* if driver suspended return, probably shared interrupt */
+	if (pm_runtime_suspended(dev))
+		return IRQ_NONE;
+
+	/* read the interrupt status */
+	irr = cc_ioread(drvdata, CC_REG(HOST_IRR));
+	dev_dbg(dev, "Got IRR=0x%08X\n", irr);
+
+	if (irr == 0) /* Probably shared interrupt line */
+		return IRQ_NONE;
+
+	imr = cc_ioread(drvdata, CC_REG(HOST_IMR));
+
+	/* clear interrupt - must be before processing events */
+	cc_iowrite(drvdata, CC_REG(HOST_ICR), irr);
+
+	drvdata->irq = irr;
+	/* Completion interrupt - most probable */
+	if (irr & drvdata->comp_mask) {
+		/* Mask all completion interrupts - will be unmasked in
+		 * deferred service handler
+		 */
+		cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | drvdata->comp_mask);
+		irr &= ~drvdata->comp_mask;
+		complete_request(drvdata);
+	}
+#ifdef CONFIG_CRYPTO_FIPS
+	/* TEE FIPS interrupt */
+	if (irr & CC_GPR0_IRQ_MASK) {
+		/* Mask interrupt - will be unmasked in Deferred service
+		 * handler
+		 */
+		cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | CC_GPR0_IRQ_MASK);
+		irr &= ~CC_GPR0_IRQ_MASK;
+		fips_handler(drvdata);
+	}
+#endif
+	/* AXI error interrupt */
+	if (irr & CC_AXI_ERR_IRQ_MASK) {
+		u32 axi_err;
+
+		/* Read the AXI error ID */
+		axi_err = cc_ioread(drvdata, CC_REG(AXIM_MON_ERR));
+		dev_dbg(dev, "AXI completion error: axim_mon_err=0x%08X\n",
+			axi_err);
+
+		irr &= ~CC_AXI_ERR_IRQ_MASK;
+	}
+
+	if (irr) {
+		dev_dbg_ratelimited(dev, "IRR includes unknown cause bits (0x%08X)\n",
+				    irr);
+		/* Just warning */
+	}
+
+	return IRQ_HANDLED;
+}
+
+bool cc_wait_for_reset_completion(struct cc_drvdata *drvdata)
+{
+	unsigned int val;
+	unsigned int i;
+
+	/* 712/710/63 has no reset completion indication, always return true */
+	if (drvdata->hw_rev <= CC_HW_REV_712)
+		return true;
+
+	for (i = 0; i < CC_HW_RESET_LOOP_COUNT; i++) {
+		/* in cc7x3 NVM_IS_IDLE indicates that CC reset is
+		 *  completed and device is fully functional
+		 */
+		val = cc_ioread(drvdata, CC_REG(NVM_IS_IDLE));
+		if (val & CC_NVM_IS_IDLE_MASK) {
+			/* hw indicate reset completed */
+			return true;
+		}
+		/* allow scheduling other process on the processor */
+		schedule();
+	}
+	/* reset not completed */
+	return false;
+}
+
+int init_cc_regs(struct cc_drvdata *drvdata)
+{
+	unsigned int val;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	/* Unmask all AXI interrupt sources AXI_CFG1 register   */
+	/* AXI interrupt config are obsoleted startign at cc7x3 */
+	if (drvdata->hw_rev <= CC_HW_REV_712) {
+		val = cc_ioread(drvdata, CC_REG(AXIM_CFG));
+		cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~CC_AXI_IRQ_MASK);
+		dev_dbg(dev, "AXIM_CFG=0x%08X\n",
+			cc_ioread(drvdata, CC_REG(AXIM_CFG)));
+	}
+
+	/* Clear all pending interrupts */
+	val = cc_ioread(drvdata, CC_REG(HOST_IRR));
+	dev_dbg(dev, "IRR=0x%08X\n", val);
+	cc_iowrite(drvdata, CC_REG(HOST_ICR), val);
+
+	/* Unmask relevant interrupt cause */
+	val = drvdata->comp_mask | CC_AXI_ERR_IRQ_MASK;
+
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		val |= CC_GPR0_IRQ_MASK;
+
+	cc_iowrite(drvdata, CC_REG(HOST_IMR), ~val);
+
+	cc_iowrite(drvdata, CC_REG(AXIM_CACHE_PARAMS), drvdata->cache_params);
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		cc_iowrite(drvdata, CC_REG(AXIM_ACE_CONST), drvdata->ace_const);
+
+	return 0;
+}
+
+static int init_cc_resources(struct platform_device *plat_dev)
+{
+	struct resource *req_mem_cc_regs = NULL;
+	struct cc_drvdata *new_drvdata;
+	struct device *dev = &plat_dev->dev;
+	struct device_node *np = dev->of_node;
+	u32 val, hw_rev_pidr, sig_cidr;
+	u64 dma_mask;
+	const struct cc_hw_data *hw_rev;
+	struct clk *clk;
+	int irq;
+	int rc = 0;
+
+	new_drvdata = devm_kzalloc(dev, sizeof(*new_drvdata), GFP_KERNEL);
+	if (!new_drvdata)
+		return -ENOMEM;
+
+	hw_rev = of_device_get_match_data(dev);
+	new_drvdata->hw_rev_name = hw_rev->name;
+	new_drvdata->hw_rev = hw_rev->rev;
+	new_drvdata->std_bodies = hw_rev->std_bodies;
+
+	if (hw_rev->rev >= CC_HW_REV_712) {
+		new_drvdata->axim_mon_offset = CC_REG(AXIM_MON_COMP);
+		new_drvdata->sig_offset = CC_REG(HOST_SIGNATURE_712);
+		new_drvdata->ver_offset = CC_REG(HOST_VERSION_712);
+	} else {
+		new_drvdata->axim_mon_offset = CC_REG(AXIM_MON_COMP8);
+		new_drvdata->sig_offset = CC_REG(HOST_SIGNATURE_630);
+		new_drvdata->ver_offset = CC_REG(HOST_VERSION_630);
+	}
+
+	new_drvdata->comp_mask = CC_COMP_IRQ_MASK;
+
+	platform_set_drvdata(plat_dev, new_drvdata);
+	new_drvdata->plat_dev = plat_dev;
+
+	clk = devm_clk_get_optional(dev, NULL);
+	if (IS_ERR(clk))
+		return dev_err_probe(dev, PTR_ERR(clk), "Error getting clock\n");
+	new_drvdata->clk = clk;
+
+	new_drvdata->coherent = of_dma_is_coherent(np);
+
+	/* Get device resources */
+	/* First CC registers space */
+	req_mem_cc_regs = platform_get_resource(plat_dev, IORESOURCE_MEM, 0);
+	/* Map registers space */
+	new_drvdata->cc_base = devm_ioremap_resource(dev, req_mem_cc_regs);
+	if (IS_ERR(new_drvdata->cc_base))
+		return PTR_ERR(new_drvdata->cc_base);
+
+	dev_dbg(dev, "Got MEM resource (%s): %pR\n", req_mem_cc_regs->name,
+		req_mem_cc_regs);
+	dev_dbg(dev, "CC registers mapped from %pa to 0x%p\n",
+		&req_mem_cc_regs->start, new_drvdata->cc_base);
+
+	/* Then IRQ */
+	irq = platform_get_irq(plat_dev, 0);
+	if (irq < 0)
+		return irq;
+
+	init_completion(&new_drvdata->hw_queue_avail);
+
+	if (!dev->dma_mask)
+		dev->dma_mask = &dev->coherent_dma_mask;
+
+	dma_mask = DMA_BIT_MASK(DMA_BIT_MASK_LEN);
+	rc = dma_set_coherent_mask(dev, dma_mask);
+	if (rc) {
+		dev_err(dev, "Failed in dma_set_coherent_mask, mask=%llx\n",
+			dma_mask);
+		return rc;
+	}
+
+	rc = clk_prepare_enable(new_drvdata->clk);
+	if (rc) {
+		dev_err(dev, "Failed to enable clock");
+		return rc;
+	}
+
+	new_drvdata->sec_disabled = cc_sec_disable;
+
+	pm_runtime_set_autosuspend_delay(dev, CC_SUSPEND_TIMEOUT);
+	pm_runtime_use_autosuspend(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+	rc = pm_runtime_get_sync(dev);
+	if (rc < 0) {
+		dev_err(dev, "pm_runtime_get_sync() failed: %d\n", rc);
+		goto post_pm_err;
+	}
+
+	/* Wait for Cryptocell reset completion */
+	if (!cc_wait_for_reset_completion(new_drvdata)) {
+		dev_err(dev, "Cryptocell reset not completed");
+	}
+
+	if (hw_rev->rev <= CC_HW_REV_712) {
+		/* Verify correct mapping */
+		val = cc_ioread(new_drvdata, new_drvdata->sig_offset);
+		if (val != hw_rev->sig) {
+			dev_err(dev, "Invalid CC signature: SIGNATURE=0x%08X != expected=0x%08X\n",
+				val, hw_rev->sig);
+			rc = -EINVAL;
+			goto post_pm_err;
+		}
+		sig_cidr = val;
+		hw_rev_pidr = cc_ioread(new_drvdata, new_drvdata->ver_offset);
+	} else {
+		/* Verify correct mapping */
+		val = cc_read_idr(new_drvdata, pidr_0124_offsets);
+		if (val != hw_rev->pidr_0124) {
+			dev_err(dev, "Invalid CC PIDR: PIDR0124=0x%08X != expected=0x%08X\n",
+				val,  hw_rev->pidr_0124);
+			rc = -EINVAL;
+			goto post_pm_err;
+		}
+		hw_rev_pidr = val;
+
+		val = cc_read_idr(new_drvdata, cidr_0123_offsets);
+		if (val != hw_rev->cidr_0123) {
+			dev_err(dev, "Invalid CC CIDR: CIDR0123=0x%08X != expected=0x%08X\n",
+			val,  hw_rev->cidr_0123);
+			rc = -EINVAL;
+			goto post_pm_err;
+		}
+		sig_cidr = val;
+
+		/* Check HW engine configuration */
+		val = cc_ioread(new_drvdata, CC_REG(HOST_REMOVE_INPUT_PINS));
+		switch (val) {
+		case CC_PINS_FULL:
+			/* This is fine */
+			break;
+		case CC_PINS_SLIM:
+			if (new_drvdata->std_bodies & CC_STD_NIST) {
+				dev_warn(dev, "703 mode forced due to HW configuration.\n");
+				new_drvdata->std_bodies = CC_STD_OSCCA;
+			}
+			break;
+		default:
+			dev_err(dev, "Unsupported engines configuration.\n");
+			rc = -EINVAL;
+			goto post_pm_err;
+		}
+
+		/* Check security disable state */
+		val = cc_ioread(new_drvdata, CC_REG(SECURITY_DISABLED));
+		val &= CC_SECURITY_DISABLED_MASK;
+		new_drvdata->sec_disabled |= !!val;
+
+		if (!new_drvdata->sec_disabled) {
+			new_drvdata->comp_mask |= CC_CPP_SM4_ABORT_MASK;
+			if (new_drvdata->std_bodies & CC_STD_NIST)
+				new_drvdata->comp_mask |= CC_CPP_AES_ABORT_MASK;
+		}
+	}
+
+	if (new_drvdata->sec_disabled)
+		dev_info(dev, "Security Disabled mode is in effect. Security functions disabled.\n");
+
+	/* Display HW versions */
+	dev_info(dev, "ARM CryptoCell %s Driver: HW version 0x%08X/0x%8X, Driver version %s\n",
+		 hw_rev->name, hw_rev_pidr, sig_cidr, DRV_MODULE_VERSION);
+	/* register the driver isr function */
+	rc = devm_request_irq(dev, irq, cc_isr, IRQF_SHARED, "ccree",
+			      new_drvdata);
+	if (rc) {
+		dev_err(dev, "Could not register to interrupt %d\n", irq);
+		goto post_pm_err;
+	}
+	dev_dbg(dev, "Registered to IRQ: %d\n", irq);
+
+	init_cc_cache_params(new_drvdata);
+
+	rc = init_cc_regs(new_drvdata);
+	if (rc) {
+		dev_err(dev, "init_cc_regs failed\n");
+		goto post_pm_err;
+	}
+
+	rc = cc_debugfs_init(new_drvdata);
+	if (rc) {
+		dev_err(dev, "Failed registering debugfs interface\n");
+		goto post_regs_err;
+	}
+
+	rc = cc_fips_init(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_fips_init failed 0x%x\n", rc);
+		goto post_debugfs_err;
+	}
+	rc = cc_sram_mgr_init(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_sram_mgr_init failed\n");
+		goto post_fips_init_err;
+	}
+
+	new_drvdata->mlli_sram_addr =
+		cc_sram_alloc(new_drvdata, MAX_MLLI_BUFF_SIZE);
+	if (new_drvdata->mlli_sram_addr == NULL_SRAM_ADDR) {
+		rc = -ENOMEM;
+		goto post_fips_init_err;
+	}
+
+	rc = cc_req_mgr_init(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_req_mgr_init failed\n");
+		goto post_fips_init_err;
+	}
+
+	rc = cc_buffer_mgr_init(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_buffer_mgr_init failed\n");
+		goto post_req_mgr_err;
+	}
+
+	/* hash must be allocated first due to use of send_request_init()
+	 * and dependency of AEAD on it
+	 */
+	rc = cc_hash_alloc(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_hash_alloc failed\n");
+		goto post_buf_mgr_err;
+	}
+
+	/* Allocate crypto algs */
+	rc = cc_cipher_alloc(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_cipher_alloc failed\n");
+		goto post_hash_err;
+	}
+
+	rc = cc_aead_alloc(new_drvdata);
+	if (rc) {
+		dev_err(dev, "cc_aead_alloc failed\n");
+		goto post_cipher_err;
+	}
+
+	/* If we got here and FIPS mode is enabled
+	 * it means all FIPS test passed, so let TEE
+	 * know we're good.
+	 */
+	cc_set_ree_fips_status(new_drvdata, true);
+
+	pm_runtime_put(dev);
+	return 0;
+
+post_cipher_err:
+	cc_cipher_free(new_drvdata);
+post_hash_err:
+	cc_hash_free(new_drvdata);
+post_buf_mgr_err:
+	 cc_buffer_mgr_fini(new_drvdata);
+post_req_mgr_err:
+	cc_req_mgr_fini(new_drvdata);
+post_fips_init_err:
+	cc_fips_fini(new_drvdata);
+post_debugfs_err:
+	cc_debugfs_fini(new_drvdata);
+post_regs_err:
+	fini_cc_regs(new_drvdata);
+post_pm_err:
+	pm_runtime_put_noidle(dev);
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
+	clk_disable_unprepare(new_drvdata->clk);
+	return rc;
+}
+
+void fini_cc_regs(struct cc_drvdata *drvdata)
+{
+	/* Mask all interrupts */
+	cc_iowrite(drvdata, CC_REG(HOST_IMR), 0xFFFFFFFF);
+}
+
+static void cleanup_cc_resources(struct platform_device *plat_dev)
+{
+	struct device *dev = &plat_dev->dev;
+	struct cc_drvdata *drvdata =
+		(struct cc_drvdata *)platform_get_drvdata(plat_dev);
+
+	cc_aead_free(drvdata);
+	cc_cipher_free(drvdata);
+	cc_hash_free(drvdata);
+	cc_buffer_mgr_fini(drvdata);
+	cc_req_mgr_fini(drvdata);
+	cc_fips_fini(drvdata);
+	cc_debugfs_fini(drvdata);
+	fini_cc_regs(drvdata);
+	pm_runtime_put_noidle(dev);
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
+	clk_disable_unprepare(drvdata->clk);
+}
+
+unsigned int cc_get_default_hash_len(struct cc_drvdata *drvdata)
+{
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		return HASH_LEN_SIZE_712;
+	else
+		return HASH_LEN_SIZE_630;
+}
+
+static int ccree_probe(struct platform_device *plat_dev)
+{
+	int rc;
+	struct device *dev = &plat_dev->dev;
+
+	/* Map registers space */
+	rc = init_cc_resources(plat_dev);
+	if (rc)
+		return rc;
+
+	dev_info(dev, "ARM ccree device initialized\n");
+
+	return 0;
+}
+
+static int ccree_remove(struct platform_device *plat_dev)
+{
+	struct device *dev = &plat_dev->dev;
+
+	dev_dbg(dev, "Releasing ccree resources...\n");
+
+	cleanup_cc_resources(plat_dev);
+
+	dev_info(dev, "ARM ccree device terminated\n");
+
+	return 0;
+}
+
+static struct platform_driver ccree_driver = {
+	.driver = {
+		   .name = "ccree",
+		   .of_match_table = arm_ccree_dev_of_match,
+#ifdef CONFIG_PM
+		   .pm = &ccree_pm,
+#endif
+	},
+	.probe = ccree_probe,
+	.remove = ccree_remove,
+};
+
+static int __init ccree_init(void)
+{
+	int rc;
+
+	cc_debugfs_global_init();
+
+	rc = platform_driver_register(&ccree_driver);
+	if (rc) {
+		cc_debugfs_global_fini();
+		return rc;
+	}
+
+	return 0;
+}
+module_init(ccree_init);
+
+static void __exit ccree_exit(void)
+{
+	platform_driver_unregister(&ccree_driver);
+	cc_debugfs_global_fini();
+}
+module_exit(ccree_exit);
+
+/* Module description */
+MODULE_DESCRIPTION("ARM TrustZone CryptoCell REE Driver");
+MODULE_VERSION(DRV_MODULE_VERSION);
+MODULE_AUTHOR("ARM");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/crypto/ccree/cc_driver.h b/drivers/crypto/ccree/cc_driver.h
new file mode 100644
index 000000000..f49579aa1
--- /dev/null
+++ b/drivers/crypto/ccree/cc_driver.h
@@ -0,0 +1,235 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_driver.h
+ * ARM CryptoCell Linux Crypto Driver
+ */
+
+#ifndef __CC_DRIVER_H__
+#define __CC_DRIVER_H__
+
+#ifdef COMP_IN_WQ
+#include <linux/workqueue.h>
+#else
+#include <linux/interrupt.h>
+#endif
+#include <linux/dma-mapping.h>
+#include <crypto/algapi.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/aes.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
+#include <crypto/aead.h>
+#include <crypto/authenc.h>
+#include <crypto/hash.h>
+#include <crypto/skcipher.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include "cc_host_regs.h"
+#include "cc_crypto_ctx.h"
+#include "cc_hw_queue_defs.h"
+#include "cc_sram_mgr.h"
+
+extern bool cc_dump_desc;
+extern bool cc_dump_bytes;
+
+#define DRV_MODULE_VERSION "5.0"
+
+enum cc_hw_rev {
+	CC_HW_REV_630 = 630,
+	CC_HW_REV_710 = 710,
+	CC_HW_REV_712 = 712,
+	CC_HW_REV_713 = 713
+};
+
+enum cc_std_body {
+	CC_STD_NIST = 0x1,
+	CC_STD_OSCCA = 0x2,
+	CC_STD_ALL = 0x3
+};
+
+#define CC_PINS_FULL	0x0
+#define CC_PINS_SLIM	0x9F
+
+/* Maximum DMA mask supported by IP */
+#define DMA_BIT_MASK_LEN 48
+
+#define CC_AXI_IRQ_MASK ((1 << CC_AXIM_CFG_BRESPMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_RRESPMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_INFLTMASK_BIT_SHIFT) | \
+			  (1 << CC_AXIM_CFG_COMPMASK_BIT_SHIFT))
+
+#define CC_AXI_ERR_IRQ_MASK BIT(CC_HOST_IRR_AXI_ERR_INT_BIT_SHIFT)
+
+#define CC_COMP_IRQ_MASK BIT(CC_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT)
+
+#define CC_SECURITY_DISABLED_MASK BIT(CC_SECURITY_DISABLED_VALUE_BIT_SHIFT)
+
+#define CC_NVM_IS_IDLE_MASK BIT(CC_NVM_IS_IDLE_VALUE_BIT_SHIFT)
+
+#define AXIM_MON_COMP_VALUE CC_GENMASK(CC_AXIM_MON_COMP_VALUE)
+
+#define CC_CPP_AES_ABORT_MASK ( \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SHIFT))
+
+#define CC_CPP_SM4_ABORT_MASK ( \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SHIFT) | \
+	BIT(CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SHIFT))
+
+/* Register name mangling macro */
+#define CC_REG(reg_name) CC_ ## reg_name ## _REG_OFFSET
+
+/* TEE FIPS status interrupt */
+#define CC_GPR0_IRQ_MASK BIT(CC_HOST_IRR_GPR0_BIT_SHIFT)
+
+#define CC_CRA_PRIO 400
+
+#define MIN_HW_QUEUE_SIZE 50 /* Minimum size required for proper function */
+
+#define MAX_REQUEST_QUEUE_SIZE 4096
+#define MAX_MLLI_BUFF_SIZE 2080
+
+/* Definitions for HW descriptors DIN/DOUT fields */
+#define NS_BIT 1
+#define AXI_ID 0
+/* AXI_ID is not actually the AXI ID of the transaction but the value of AXI_ID
+ * field in the HW descriptor. The DMA engine +8 that value.
+ */
+
+struct cc_cpp_req {
+	bool is_cpp;
+	enum cc_cpp_alg alg;
+	u8 slot;
+};
+
+#define CC_MAX_IVGEN_DMA_ADDRESSES	3
+struct cc_crypto_req {
+	void (*user_cb)(struct device *dev, void *req, int err);
+	void *user_arg;
+	struct completion seq_compl; /* request completion */
+	struct cc_cpp_req cpp;
+};
+
+/**
+ * struct cc_drvdata - driver private data context
+ * @cc_base:	virt address of the CC registers
+ * @irq:	bitmap indicating source of last interrupt
+ */
+struct cc_drvdata {
+	void __iomem *cc_base;
+	int irq;
+	struct completion hw_queue_avail; /* wait for HW queue availability */
+	struct platform_device *plat_dev;
+	u32 mlli_sram_addr;
+	struct dma_pool *mlli_buffs_pool;
+	struct list_head alg_list;
+	void *hash_handle;
+	void *aead_handle;
+	void *request_mgr_handle;
+	void *fips_handle;
+	u32 sram_free_offset;	/* offset to non-allocated area in SRAM */
+	struct dentry *dir;	/* for debugfs */
+	struct clk *clk;
+	bool coherent;
+	char *hw_rev_name;
+	enum cc_hw_rev hw_rev;
+	u32 axim_mon_offset;
+	u32 sig_offset;
+	u32 ver_offset;
+	int std_bodies;
+	bool sec_disabled;
+	u32 comp_mask;
+	u32 cache_params;
+	u32 ace_const;
+};
+
+struct cc_crypto_alg {
+	struct list_head entry;
+	int cipher_mode;
+	int flow_mode; /* Note: currently, refers to the cipher mode only. */
+	int auth_mode;
+	struct cc_drvdata *drvdata;
+	struct skcipher_alg skcipher_alg;
+	struct aead_alg aead_alg;
+};
+
+struct cc_alg_template {
+	char name[CRYPTO_MAX_ALG_NAME];
+	char driver_name[CRYPTO_MAX_ALG_NAME];
+	unsigned int blocksize;
+	union {
+		struct skcipher_alg skcipher;
+		struct aead_alg aead;
+	} template_u;
+	int cipher_mode;
+	int flow_mode; /* Note: currently, refers to the cipher mode only. */
+	int auth_mode;
+	u32 min_hw_rev;
+	enum cc_std_body std_body;
+	bool sec_func;
+	unsigned int data_unit;
+	struct cc_drvdata *drvdata;
+};
+
+struct async_gen_req_ctx {
+	dma_addr_t iv_dma_addr;
+	u8 *iv;
+	enum drv_crypto_direction op_type;
+};
+
+static inline struct device *drvdata_to_dev(struct cc_drvdata *drvdata)
+{
+	return &drvdata->plat_dev->dev;
+}
+
+void __dump_byte_array(const char *name, const u8 *buf, size_t len);
+static inline void dump_byte_array(const char *name, const u8 *the_array,
+				   size_t size)
+{
+	if (cc_dump_bytes)
+		__dump_byte_array(name, the_array, size);
+}
+
+bool cc_wait_for_reset_completion(struct cc_drvdata *drvdata);
+int init_cc_regs(struct cc_drvdata *drvdata);
+void fini_cc_regs(struct cc_drvdata *drvdata);
+unsigned int cc_get_default_hash_len(struct cc_drvdata *drvdata);
+
+static inline void cc_iowrite(struct cc_drvdata *drvdata, u32 reg, u32 val)
+{
+	iowrite32(val, (drvdata->cc_base + reg));
+}
+
+static inline u32 cc_ioread(struct cc_drvdata *drvdata, u32 reg)
+{
+	return ioread32(drvdata->cc_base + reg);
+}
+
+static inline gfp_t cc_gfp_flags(struct crypto_async_request *req)
+{
+	return (req->flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
+			GFP_KERNEL : GFP_ATOMIC;
+}
+
+static inline void set_queue_last_ind(struct cc_drvdata *drvdata,
+				      struct cc_hw_desc *pdesc)
+{
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		set_queue_last_ind_bit(pdesc);
+}
+
+#endif /*__CC_DRIVER_H__*/
diff --git a/drivers/crypto/ccree/cc_fips.c b/drivers/crypto/ccree/cc_fips.c
new file mode 100644
index 000000000..702aefc21
--- /dev/null
+++ b/drivers/crypto/ccree/cc_fips.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/fips.h>
+#include <linux/notifier.h>
+
+#include "cc_driver.h"
+#include "cc_fips.h"
+
+static void fips_dsr(unsigned long devarg);
+
+struct cc_fips_handle {
+	struct tasklet_struct tasklet;
+	struct notifier_block nb;
+	struct cc_drvdata *drvdata;
+};
+
+/* The function called once at driver entry point to check
+ * whether TEE FIPS error occurred.
+ */
+static bool cc_get_tee_fips_status(struct cc_drvdata *drvdata)
+{
+	u32 reg;
+
+	reg = cc_ioread(drvdata, CC_REG(GPR_HOST));
+	/* Did the TEE report status? */
+	if (reg & CC_FIPS_SYNC_TEE_STATUS)
+		/* Yes. Is it OK? */
+		return (reg & CC_FIPS_SYNC_MODULE_OK);
+
+	/* No. It's either not in use or will be reported later */
+	return true;
+}
+
+/*
+ * This function should push the FIPS REE library status towards the TEE library
+ * by writing the error state to HOST_GPR0 register.
+ */
+void cc_set_ree_fips_status(struct cc_drvdata *drvdata, bool status)
+{
+	int val = CC_FIPS_SYNC_REE_STATUS;
+
+	if (drvdata->hw_rev < CC_HW_REV_712)
+		return;
+
+	val |= (status ? CC_FIPS_SYNC_MODULE_OK : CC_FIPS_SYNC_MODULE_ERROR);
+
+	cc_iowrite(drvdata, CC_REG(HOST_GPR0), val);
+}
+
+/* Push REE side FIPS test failure to TEE side */
+static int cc_ree_fips_failure(struct notifier_block *nb, unsigned long unused1,
+			       void *unused2)
+{
+	struct cc_fips_handle *fips_h =
+				container_of(nb, struct cc_fips_handle, nb);
+	struct cc_drvdata *drvdata = fips_h->drvdata;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	cc_set_ree_fips_status(drvdata, false);
+	dev_info(dev, "Notifying TEE of FIPS test failure...\n");
+
+	return NOTIFY_OK;
+}
+
+void cc_fips_fini(struct cc_drvdata *drvdata)
+{
+	struct cc_fips_handle *fips_h = drvdata->fips_handle;
+
+	if (drvdata->hw_rev < CC_HW_REV_712 || !fips_h)
+		return;
+
+	atomic_notifier_chain_unregister(&fips_fail_notif_chain, &fips_h->nb);
+
+	/* Kill tasklet */
+	tasklet_kill(&fips_h->tasklet);
+	drvdata->fips_handle = NULL;
+}
+
+void fips_handler(struct cc_drvdata *drvdata)
+{
+	struct cc_fips_handle *fips_handle_ptr = drvdata->fips_handle;
+
+	if (drvdata->hw_rev < CC_HW_REV_712)
+		return;
+
+	tasklet_schedule(&fips_handle_ptr->tasklet);
+}
+
+static inline void tee_fips_error(struct device *dev)
+{
+	if (fips_enabled)
+		panic("ccree: TEE reported cryptographic error in fips mode!\n");
+	else
+		dev_err(dev, "TEE reported error!\n");
+}
+
+/*
+ * This function check if cryptocell tee fips error occurred
+ * and in such case triggers system error
+ */
+void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata)
+{
+	struct device *dev = drvdata_to_dev(p_drvdata);
+
+	if (!cc_get_tee_fips_status(p_drvdata))
+		tee_fips_error(dev);
+}
+
+/* Deferred service handler, run as interrupt-fired tasklet */
+static void fips_dsr(unsigned long devarg)
+{
+	struct cc_drvdata *drvdata = (struct cc_drvdata *)devarg;
+	u32 irq, val;
+
+	irq = (drvdata->irq & (CC_GPR0_IRQ_MASK));
+
+	if (irq) {
+		cc_tee_handle_fips_error(drvdata);
+	}
+
+	/* after verifying that there is nothing to do,
+	 * unmask AXI completion interrupt.
+	 */
+	val = (CC_REG(HOST_IMR) & ~irq);
+	cc_iowrite(drvdata, CC_REG(HOST_IMR), val);
+}
+
+/* The function called once at driver entry point .*/
+int cc_fips_init(struct cc_drvdata *p_drvdata)
+{
+	struct cc_fips_handle *fips_h;
+	struct device *dev = drvdata_to_dev(p_drvdata);
+
+	if (p_drvdata->hw_rev < CC_HW_REV_712)
+		return 0;
+
+	fips_h = devm_kzalloc(dev, sizeof(*fips_h), GFP_KERNEL);
+	if (!fips_h)
+		return -ENOMEM;
+
+	p_drvdata->fips_handle = fips_h;
+
+	dev_dbg(dev, "Initializing fips tasklet\n");
+	tasklet_init(&fips_h->tasklet, fips_dsr, (unsigned long)p_drvdata);
+	fips_h->drvdata = p_drvdata;
+	fips_h->nb.notifier_call = cc_ree_fips_failure;
+	atomic_notifier_chain_register(&fips_fail_notif_chain, &fips_h->nb);
+
+	cc_tee_handle_fips_error(p_drvdata);
+
+	return 0;
+}
diff --git a/drivers/crypto/ccree/cc_fips.h b/drivers/crypto/ccree/cc_fips.h
new file mode 100644
index 000000000..fc33eeb4d
--- /dev/null
+++ b/drivers/crypto/ccree/cc_fips.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef __CC_FIPS_H__
+#define __CC_FIPS_H__
+
+#ifdef CONFIG_CRYPTO_FIPS
+
+enum cc_fips_status {
+	CC_FIPS_SYNC_MODULE_OK = 0x0,
+	CC_FIPS_SYNC_MODULE_ERROR = 0x1,
+	CC_FIPS_SYNC_REE_STATUS = 0x4,
+	CC_FIPS_SYNC_TEE_STATUS = 0x8,
+	CC_FIPS_SYNC_STATUS_RESERVE32B = S32_MAX
+};
+
+int cc_fips_init(struct cc_drvdata *p_drvdata);
+void cc_fips_fini(struct cc_drvdata *drvdata);
+void fips_handler(struct cc_drvdata *drvdata);
+void cc_set_ree_fips_status(struct cc_drvdata *drvdata, bool ok);
+void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata);
+
+#else  /* CONFIG_CRYPTO_FIPS */
+
+static inline int cc_fips_init(struct cc_drvdata *p_drvdata)
+{
+	return 0;
+}
+
+static inline void cc_fips_fini(struct cc_drvdata *drvdata) {}
+static inline void cc_set_ree_fips_status(struct cc_drvdata *drvdata,
+					  bool ok) {}
+static inline void fips_handler(struct cc_drvdata *drvdata) {}
+static inline void cc_tee_handle_fips_error(struct cc_drvdata *p_drvdata) {}
+
+#endif /* CONFIG_CRYPTO_FIPS */
+
+#endif  /*__CC_FIPS_H__*/
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c
new file mode 100644
index 000000000..683c9a430
--- /dev/null
+++ b/drivers/crypto/ccree/cc_hash.c
@@ -0,0 +1,2315 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <crypto/algapi.h>
+#include <crypto/hash.h>
+#include <crypto/md5.h>
+#include <crypto/sm3.h>
+#include <crypto/internal/hash.h>
+
+#include "cc_driver.h"
+#include "cc_request_mgr.h"
+#include "cc_buffer_mgr.h"
+#include "cc_hash.h"
+#include "cc_sram_mgr.h"
+
+#define CC_MAX_HASH_SEQ_LEN 12
+#define CC_MAX_OPAD_KEYS_SIZE CC_MAX_HASH_BLCK_SIZE
+#define CC_SM3_HASH_LEN_SIZE 8
+
+struct cc_hash_handle {
+	u32 digest_len_sram_addr;	/* const value in SRAM*/
+	u32 larval_digest_sram_addr;   /* const value in SRAM */
+	struct list_head hash_list;
+};
+
+static const u32 cc_digest_len_init[] = {
+	0x00000040, 0x00000000, 0x00000000, 0x00000000 };
+static const u32 cc_md5_init[] = {
+	SHA1_H3, SHA1_H2, SHA1_H1, SHA1_H0 };
+static const u32 cc_sha1_init[] = {
+	SHA1_H4, SHA1_H3, SHA1_H2, SHA1_H1, SHA1_H0 };
+static const u32 cc_sha224_init[] = {
+	SHA224_H7, SHA224_H6, SHA224_H5, SHA224_H4,
+	SHA224_H3, SHA224_H2, SHA224_H1, SHA224_H0 };
+static const u32 cc_sha256_init[] = {
+	SHA256_H7, SHA256_H6, SHA256_H5, SHA256_H4,
+	SHA256_H3, SHA256_H2, SHA256_H1, SHA256_H0 };
+static const u32 cc_digest_len_sha512_init[] = {
+	0x00000080, 0x00000000, 0x00000000, 0x00000000 };
+
+/*
+ * Due to the way the HW works, every double word in the SHA384 and SHA512
+ * larval hashes must be stored in hi/lo order
+ */
+#define hilo(x)	upper_32_bits(x), lower_32_bits(x)
+static const u32 cc_sha384_init[] = {
+	hilo(SHA384_H7), hilo(SHA384_H6), hilo(SHA384_H5), hilo(SHA384_H4),
+	hilo(SHA384_H3), hilo(SHA384_H2), hilo(SHA384_H1), hilo(SHA384_H0) };
+static const u32 cc_sha512_init[] = {
+	hilo(SHA512_H7), hilo(SHA512_H6), hilo(SHA512_H5), hilo(SHA512_H4),
+	hilo(SHA512_H3), hilo(SHA512_H2), hilo(SHA512_H1), hilo(SHA512_H0) };
+
+static const u32 cc_sm3_init[] = {
+	SM3_IVH, SM3_IVG, SM3_IVF, SM3_IVE,
+	SM3_IVD, SM3_IVC, SM3_IVB, SM3_IVA };
+
+static void cc_setup_xcbc(struct ahash_request *areq, struct cc_hw_desc desc[],
+			  unsigned int *seq_size);
+
+static void cc_setup_cmac(struct ahash_request *areq, struct cc_hw_desc desc[],
+			  unsigned int *seq_size);
+
+static const void *cc_larval_digest(struct device *dev, u32 mode);
+
+struct cc_hash_alg {
+	struct list_head entry;
+	int hash_mode;
+	int hw_mode;
+	int inter_digestsize;
+	struct cc_drvdata *drvdata;
+	struct ahash_alg ahash_alg;
+};
+
+struct hash_key_req_ctx {
+	u32 keylen;
+	dma_addr_t key_dma_addr;
+	u8 *key;
+};
+
+/* hash per-session context */
+struct cc_hash_ctx {
+	struct cc_drvdata *drvdata;
+	/* holds the origin digest; the digest after "setkey" if HMAC,*
+	 * the initial digest if HASH.
+	 */
+	u8 digest_buff[CC_MAX_HASH_DIGEST_SIZE]  ____cacheline_aligned;
+	u8 opad_tmp_keys_buff[CC_MAX_OPAD_KEYS_SIZE]  ____cacheline_aligned;
+
+	dma_addr_t opad_tmp_keys_dma_addr  ____cacheline_aligned;
+	dma_addr_t digest_buff_dma_addr;
+	/* use for hmac with key large then mode block size */
+	struct hash_key_req_ctx key_params;
+	int hash_mode;
+	int hw_mode;
+	int inter_digestsize;
+	unsigned int hash_len;
+	struct completion setkey_comp;
+	bool is_hmac;
+};
+
+static void cc_set_desc(struct ahash_req_ctx *areq_ctx, struct cc_hash_ctx *ctx,
+			unsigned int flow_mode, struct cc_hw_desc desc[],
+			bool is_not_last_data, unsigned int *seq_size);
+
+static void cc_set_endianity(u32 mode, struct cc_hw_desc *desc)
+{
+	if (mode == DRV_HASH_MD5 || mode == DRV_HASH_SHA384 ||
+	    mode == DRV_HASH_SHA512) {
+		set_bytes_swap(desc, 1);
+	} else {
+		set_cipher_config0(desc, HASH_DIGEST_RESULT_LITTLE_ENDIAN);
+	}
+}
+
+static int cc_map_result(struct device *dev, struct ahash_req_ctx *state,
+			 unsigned int digestsize)
+{
+	state->digest_result_dma_addr =
+		dma_map_single(dev, state->digest_result_buff,
+			       digestsize, DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, state->digest_result_dma_addr)) {
+		dev_err(dev, "Mapping digest result buffer %u B for DMA failed\n",
+			digestsize);
+		return -ENOMEM;
+	}
+	dev_dbg(dev, "Mapped digest result buffer %u B at va=%pK to dma=%pad\n",
+		digestsize, state->digest_result_buff,
+		&state->digest_result_dma_addr);
+
+	return 0;
+}
+
+static void cc_init_req(struct device *dev, struct ahash_req_ctx *state,
+			struct cc_hash_ctx *ctx)
+{
+	bool is_hmac = ctx->is_hmac;
+
+	memset(state, 0, sizeof(*state));
+
+	if (is_hmac) {
+		if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC &&
+		    ctx->hw_mode != DRV_CIPHER_CMAC) {
+			dma_sync_single_for_cpu(dev, ctx->digest_buff_dma_addr,
+						ctx->inter_digestsize,
+						DMA_BIDIRECTIONAL);
+
+			memcpy(state->digest_buff, ctx->digest_buff,
+			       ctx->inter_digestsize);
+			if (ctx->hash_mode == DRV_HASH_SHA512 ||
+			    ctx->hash_mode == DRV_HASH_SHA384)
+				memcpy(state->digest_bytes_len,
+				       cc_digest_len_sha512_init,
+				       ctx->hash_len);
+			else
+				memcpy(state->digest_bytes_len,
+				       cc_digest_len_init,
+				       ctx->hash_len);
+		}
+
+		if (ctx->hash_mode != DRV_HASH_NULL) {
+			dma_sync_single_for_cpu(dev,
+						ctx->opad_tmp_keys_dma_addr,
+						ctx->inter_digestsize,
+						DMA_BIDIRECTIONAL);
+			memcpy(state->opad_digest_buff,
+			       ctx->opad_tmp_keys_buff, ctx->inter_digestsize);
+		}
+	} else { /*hash*/
+		/* Copy the initial digests if hash flow. */
+		const void *larval = cc_larval_digest(dev, ctx->hash_mode);
+
+		memcpy(state->digest_buff, larval, ctx->inter_digestsize);
+	}
+}
+
+static int cc_map_req(struct device *dev, struct ahash_req_ctx *state,
+		      struct cc_hash_ctx *ctx)
+{
+	bool is_hmac = ctx->is_hmac;
+
+	state->digest_buff_dma_addr =
+		dma_map_single(dev, state->digest_buff,
+			       ctx->inter_digestsize, DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, state->digest_buff_dma_addr)) {
+		dev_err(dev, "Mapping digest len %d B at va=%pK for DMA failed\n",
+			ctx->inter_digestsize, state->digest_buff);
+		return -EINVAL;
+	}
+	dev_dbg(dev, "Mapped digest %d B at va=%pK to dma=%pad\n",
+		ctx->inter_digestsize, state->digest_buff,
+		&state->digest_buff_dma_addr);
+
+	if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC) {
+		state->digest_bytes_len_dma_addr =
+			dma_map_single(dev, state->digest_bytes_len,
+				       HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(dev, state->digest_bytes_len_dma_addr)) {
+			dev_err(dev, "Mapping digest len %u B at va=%pK for DMA failed\n",
+				HASH_MAX_LEN_SIZE, state->digest_bytes_len);
+			goto unmap_digest_buf;
+		}
+		dev_dbg(dev, "Mapped digest len %u B at va=%pK to dma=%pad\n",
+			HASH_MAX_LEN_SIZE, state->digest_bytes_len,
+			&state->digest_bytes_len_dma_addr);
+	}
+
+	if (is_hmac && ctx->hash_mode != DRV_HASH_NULL) {
+		state->opad_digest_dma_addr =
+			dma_map_single(dev, state->opad_digest_buff,
+				       ctx->inter_digestsize,
+				       DMA_BIDIRECTIONAL);
+		if (dma_mapping_error(dev, state->opad_digest_dma_addr)) {
+			dev_err(dev, "Mapping opad digest %d B at va=%pK for DMA failed\n",
+				ctx->inter_digestsize,
+				state->opad_digest_buff);
+			goto unmap_digest_len;
+		}
+		dev_dbg(dev, "Mapped opad digest %d B at va=%pK to dma=%pad\n",
+			ctx->inter_digestsize, state->opad_digest_buff,
+			&state->opad_digest_dma_addr);
+	}
+
+	return 0;
+
+unmap_digest_len:
+	if (state->digest_bytes_len_dma_addr) {
+		dma_unmap_single(dev, state->digest_bytes_len_dma_addr,
+				 HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
+		state->digest_bytes_len_dma_addr = 0;
+	}
+unmap_digest_buf:
+	if (state->digest_buff_dma_addr) {
+		dma_unmap_single(dev, state->digest_buff_dma_addr,
+				 ctx->inter_digestsize, DMA_BIDIRECTIONAL);
+		state->digest_buff_dma_addr = 0;
+	}
+
+	return -EINVAL;
+}
+
+static void cc_unmap_req(struct device *dev, struct ahash_req_ctx *state,
+			 struct cc_hash_ctx *ctx)
+{
+	if (state->digest_buff_dma_addr) {
+		dma_unmap_single(dev, state->digest_buff_dma_addr,
+				 ctx->inter_digestsize, DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped digest-buffer: digest_buff_dma_addr=%pad\n",
+			&state->digest_buff_dma_addr);
+		state->digest_buff_dma_addr = 0;
+	}
+	if (state->digest_bytes_len_dma_addr) {
+		dma_unmap_single(dev, state->digest_bytes_len_dma_addr,
+				 HASH_MAX_LEN_SIZE, DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped digest-bytes-len buffer: digest_bytes_len_dma_addr=%pad\n",
+			&state->digest_bytes_len_dma_addr);
+		state->digest_bytes_len_dma_addr = 0;
+	}
+	if (state->opad_digest_dma_addr) {
+		dma_unmap_single(dev, state->opad_digest_dma_addr,
+				 ctx->inter_digestsize, DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped opad-digest: opad_digest_dma_addr=%pad\n",
+			&state->opad_digest_dma_addr);
+		state->opad_digest_dma_addr = 0;
+	}
+}
+
+static void cc_unmap_result(struct device *dev, struct ahash_req_ctx *state,
+			    unsigned int digestsize, u8 *result)
+{
+	if (state->digest_result_dma_addr) {
+		dma_unmap_single(dev, state->digest_result_dma_addr, digestsize,
+				 DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "unmpa digest result buffer va (%pK) pa (%pad) len %u\n",
+			state->digest_result_buff,
+			&state->digest_result_dma_addr, digestsize);
+		memcpy(result, state->digest_result_buff, digestsize);
+	}
+	state->digest_result_dma_addr = 0;
+}
+
+static void cc_update_complete(struct device *dev, void *cc_req, int err)
+{
+	struct ahash_request *req = (struct ahash_request *)cc_req;
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	dev_dbg(dev, "req=%pK\n", req);
+
+	if (err != -EINPROGRESS) {
+		/* Not a BACKLOG notification */
+		cc_unmap_hash_request(dev, state, req->src, false);
+		cc_unmap_req(dev, state, ctx);
+	}
+
+	ahash_request_complete(req, err);
+}
+
+static void cc_digest_complete(struct device *dev, void *cc_req, int err)
+{
+	struct ahash_request *req = (struct ahash_request *)cc_req;
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+
+	dev_dbg(dev, "req=%pK\n", req);
+
+	if (err != -EINPROGRESS) {
+		/* Not a BACKLOG notification */
+		cc_unmap_hash_request(dev, state, req->src, false);
+		cc_unmap_result(dev, state, digestsize, req->result);
+		cc_unmap_req(dev, state, ctx);
+	}
+
+	ahash_request_complete(req, err);
+}
+
+static void cc_hash_complete(struct device *dev, void *cc_req, int err)
+{
+	struct ahash_request *req = (struct ahash_request *)cc_req;
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+
+	dev_dbg(dev, "req=%pK\n", req);
+
+	if (err != -EINPROGRESS) {
+		/* Not a BACKLOG notification */
+		cc_unmap_hash_request(dev, state, req->src, false);
+		cc_unmap_result(dev, state, digestsize, req->result);
+		cc_unmap_req(dev, state, ctx);
+	}
+
+	ahash_request_complete(req, err);
+}
+
+static int cc_fin_result(struct cc_hw_desc *desc, struct ahash_request *req,
+			 int idx)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+
+	/* Get final MAC result */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_dout_dlli(&desc[idx], state->digest_result_dma_addr, digestsize,
+		      NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+	cc_set_endianity(ctx->hash_mode, &desc[idx]);
+	idx++;
+
+	return idx;
+}
+
+static int cc_fin_hmac(struct cc_hw_desc *desc, struct ahash_request *req,
+		       int idx)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+
+	/* store the hash digest result in the context */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	set_dout_dlli(&desc[idx], state->digest_buff_dma_addr, digestsize,
+		      NS_BIT, 0);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	cc_set_endianity(ctx->hash_mode, &desc[idx]);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	idx++;
+
+	/* Loading hash opad xor key state */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	set_din_type(&desc[idx], DMA_DLLI, state->opad_digest_dma_addr,
+		     ctx->inter_digestsize, NS_BIT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	/* Load the hash current length */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	set_din_sram(&desc[idx],
+		     cc_digest_len_addr(ctx->drvdata, ctx->hash_mode),
+		     ctx->hash_len);
+	set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	/* Memory Barrier: wait for IPAD/OPAD axi write to complete */
+	hw_desc_init(&desc[idx]);
+	set_din_no_dma(&desc[idx], 0, 0xfffff0);
+	set_dout_no_dma(&desc[idx], 0, 0, 1);
+	idx++;
+
+	/* Perform HASH update */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+		     digestsize, NS_BIT);
+	set_flow_mode(&desc[idx], DIN_HASH);
+	idx++;
+
+	return idx;
+}
+
+static int cc_hash_digest(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+	struct scatterlist *src = req->src;
+	unsigned int nbytes = req->nbytes;
+	u8 *result = req->result;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	bool is_hmac = ctx->is_hmac;
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	u32 larval_digest_addr;
+	int idx = 0;
+	int rc = 0;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "===== %s-digest (%d) ====\n", is_hmac ? "hmac" : "hash",
+		nbytes);
+
+	cc_init_req(dev, state, ctx);
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -ENOMEM;
+	}
+
+	if (cc_map_result(dev, state, digestsize)) {
+		dev_err(dev, "map_ahash_digest() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	if (cc_map_hash_request_final(ctx->drvdata, state, src, nbytes, 1,
+				      flags)) {
+		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_result(dev, state, digestsize, result);
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_digest_complete;
+	cc_req.user_arg = req;
+
+	/* If HMAC then load hash IPAD xor key, if HASH then load initial
+	 * digest
+	 */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	if (is_hmac) {
+		set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+			     ctx->inter_digestsize, NS_BIT);
+	} else {
+		larval_digest_addr = cc_larval_digest_addr(ctx->drvdata,
+							   ctx->hash_mode);
+		set_din_sram(&desc[idx], larval_digest_addr,
+			     ctx->inter_digestsize);
+	}
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	/* Load the hash current length */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+
+	if (is_hmac) {
+		set_din_type(&desc[idx], DMA_DLLI,
+			     state->digest_bytes_len_dma_addr,
+			     ctx->hash_len, NS_BIT);
+	} else {
+		set_din_const(&desc[idx], 0, ctx->hash_len);
+		if (nbytes)
+			set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+		else
+			set_cipher_do(&desc[idx], DO_PAD);
+	}
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	cc_set_desc(state, ctx, DIN_HASH, desc, false, &idx);
+
+	if (is_hmac) {
+		/* HW last hash block padding (aka. "DO_PAD") */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
+			      ctx->hash_len, NS_BIT, 0);
+		set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+		set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
+		set_cipher_do(&desc[idx], DO_PAD);
+		idx++;
+
+		idx = cc_fin_hmac(desc, req, idx);
+	}
+
+	idx = cc_fin_result(desc, req, idx);
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, src, true);
+		cc_unmap_result(dev, state, digestsize, result);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_restore_hash(struct cc_hw_desc *desc, struct cc_hash_ctx *ctx,
+			   struct ahash_req_ctx *state, unsigned int idx)
+{
+	/* Restore hash digest */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+		     ctx->inter_digestsize, NS_BIT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	idx++;
+
+	/* Restore hash current length */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+	set_din_type(&desc[idx], DMA_DLLI, state->digest_bytes_len_dma_addr,
+		     ctx->hash_len, NS_BIT);
+	set_flow_mode(&desc[idx], S_DIN_to_HASH);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	cc_set_desc(state, ctx, DIN_HASH, desc, false, &idx);
+
+	return idx;
+}
+
+static int cc_hash_update(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	unsigned int block_size = crypto_tfm_alg_blocksize(&tfm->base);
+	struct scatterlist *src = req->src;
+	unsigned int nbytes = req->nbytes;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	u32 idx = 0;
+	int rc;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "===== %s-update (%d) ====\n", ctx->is_hmac ?
+		"hmac" : "hash", nbytes);
+
+	if (nbytes == 0) {
+		/* no real updates required */
+		return 0;
+	}
+
+	rc = cc_map_hash_request_update(ctx->drvdata, state, src, nbytes,
+					block_size, flags);
+	if (rc) {
+		if (rc == 1) {
+			dev_dbg(dev, " data size not require HW update %x\n",
+				nbytes);
+			/* No hardware updates are required */
+			return 0;
+		}
+		dev_err(dev, "map_ahash_request_update() failed\n");
+		return -ENOMEM;
+	}
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		cc_unmap_hash_request(dev, state, src, true);
+		return -EINVAL;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_update_complete;
+	cc_req.user_arg = req;
+
+	idx = cc_restore_hash(desc, ctx, state, idx);
+
+	/* store the hash digest result in context */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
+		      ctx->inter_digestsize, NS_BIT, 0);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	idx++;
+
+	/* store current hash length in context */
+	hw_desc_init(&desc[idx]);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_dout_dlli(&desc[idx], state->digest_bytes_len_dma_addr,
+		      ctx->hash_len, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
+	idx++;
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, src, true);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_do_finup(struct ahash_request *req, bool update)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+	struct scatterlist *src = req->src;
+	unsigned int nbytes = req->nbytes;
+	u8 *result = req->result;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	bool is_hmac = ctx->is_hmac;
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	unsigned int idx = 0;
+	int rc;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "===== %s-%s (%d) ====\n", is_hmac ? "hmac" : "hash",
+		update ? "finup" : "final", nbytes);
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -EINVAL;
+	}
+
+	if (cc_map_hash_request_final(ctx->drvdata, state, src, nbytes, update,
+				      flags)) {
+		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+	if (cc_map_result(dev, state, digestsize)) {
+		dev_err(dev, "map_ahash_digest() failed\n");
+		cc_unmap_hash_request(dev, state, src, true);
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_hash_complete;
+	cc_req.user_arg = req;
+
+	idx = cc_restore_hash(desc, ctx, state, idx);
+
+	/* Pad the hash */
+	hw_desc_init(&desc[idx]);
+	set_cipher_do(&desc[idx], DO_PAD);
+	set_hash_cipher_mode(&desc[idx], ctx->hw_mode, ctx->hash_mode);
+	set_dout_dlli(&desc[idx], state->digest_bytes_len_dma_addr,
+		      ctx->hash_len, NS_BIT, 0);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE1);
+	set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+	idx++;
+
+	if (is_hmac)
+		idx = cc_fin_hmac(desc, req, idx);
+
+	idx = cc_fin_result(desc, req, idx);
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, src, true);
+		cc_unmap_result(dev, state, digestsize, result);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_hash_finup(struct ahash_request *req)
+{
+	return cc_do_finup(req, true);
+}
+
+
+static int cc_hash_final(struct ahash_request *req)
+{
+	return cc_do_finup(req, false);
+}
+
+static int cc_hash_init(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "===== init (%d) ====\n", req->nbytes);
+
+	cc_init_req(dev, state, ctx);
+
+	return 0;
+}
+
+static int cc_hash_setkey(struct crypto_ahash *ahash, const u8 *key,
+			  unsigned int keylen)
+{
+	unsigned int hmac_pad_const[2] = { HMAC_IPAD_CONST, HMAC_OPAD_CONST };
+	struct cc_crypto_req cc_req = {};
+	struct cc_hash_ctx *ctx = NULL;
+	int blocksize = 0;
+	int digestsize = 0;
+	int i, idx = 0, rc = 0;
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	u32 larval_addr;
+	struct device *dev;
+
+	ctx = crypto_ahash_ctx(ahash);
+	dev = drvdata_to_dev(ctx->drvdata);
+	dev_dbg(dev, "start keylen: %d", keylen);
+
+	blocksize = crypto_tfm_alg_blocksize(&ahash->base);
+	digestsize = crypto_ahash_digestsize(ahash);
+
+	larval_addr = cc_larval_digest_addr(ctx->drvdata, ctx->hash_mode);
+
+	/* The keylen value distinguishes HASH in case keylen is ZERO bytes,
+	 * any NON-ZERO value utilizes HMAC flow
+	 */
+	ctx->key_params.keylen = keylen;
+	ctx->key_params.key_dma_addr = 0;
+	ctx->is_hmac = true;
+	ctx->key_params.key = NULL;
+
+	if (keylen) {
+		ctx->key_params.key = kmemdup(key, keylen, GFP_KERNEL);
+		if (!ctx->key_params.key)
+			return -ENOMEM;
+
+		ctx->key_params.key_dma_addr =
+			dma_map_single(dev, ctx->key_params.key, keylen,
+				       DMA_TO_DEVICE);
+		if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) {
+			dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
+				ctx->key_params.key, keylen);
+			kfree_sensitive(ctx->key_params.key);
+			return -ENOMEM;
+		}
+		dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n",
+			&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
+
+		if (keylen > blocksize) {
+			/* Load hash initial state */
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], ctx->hw_mode);
+			set_din_sram(&desc[idx], larval_addr,
+				     ctx->inter_digestsize);
+			set_flow_mode(&desc[idx], S_DIN_to_HASH);
+			set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+			idx++;
+
+			/* Load the hash current length*/
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], ctx->hw_mode);
+			set_din_const(&desc[idx], 0, ctx->hash_len);
+			set_cipher_config1(&desc[idx], HASH_PADDING_ENABLED);
+			set_flow_mode(&desc[idx], S_DIN_to_HASH);
+			set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+			idx++;
+
+			hw_desc_init(&desc[idx]);
+			set_din_type(&desc[idx], DMA_DLLI,
+				     ctx->key_params.key_dma_addr, keylen,
+				     NS_BIT);
+			set_flow_mode(&desc[idx], DIN_HASH);
+			idx++;
+
+			/* Get hashed key */
+			hw_desc_init(&desc[idx]);
+			set_cipher_mode(&desc[idx], ctx->hw_mode);
+			set_dout_dlli(&desc[idx], ctx->opad_tmp_keys_dma_addr,
+				      digestsize, NS_BIT, 0);
+			set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+			set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+			set_cipher_config1(&desc[idx], HASH_PADDING_DISABLED);
+			cc_set_endianity(ctx->hash_mode, &desc[idx]);
+			idx++;
+
+			hw_desc_init(&desc[idx]);
+			set_din_const(&desc[idx], 0, (blocksize - digestsize));
+			set_flow_mode(&desc[idx], BYPASS);
+			set_dout_dlli(&desc[idx],
+				      (ctx->opad_tmp_keys_dma_addr +
+				       digestsize),
+				      (blocksize - digestsize), NS_BIT, 0);
+			idx++;
+		} else {
+			hw_desc_init(&desc[idx]);
+			set_din_type(&desc[idx], DMA_DLLI,
+				     ctx->key_params.key_dma_addr, keylen,
+				     NS_BIT);
+			set_flow_mode(&desc[idx], BYPASS);
+			set_dout_dlli(&desc[idx], ctx->opad_tmp_keys_dma_addr,
+				      keylen, NS_BIT, 0);
+			idx++;
+
+			if ((blocksize - keylen)) {
+				hw_desc_init(&desc[idx]);
+				set_din_const(&desc[idx], 0,
+					      (blocksize - keylen));
+				set_flow_mode(&desc[idx], BYPASS);
+				set_dout_dlli(&desc[idx],
+					      (ctx->opad_tmp_keys_dma_addr +
+					       keylen), (blocksize - keylen),
+					      NS_BIT, 0);
+				idx++;
+			}
+		}
+	} else {
+		hw_desc_init(&desc[idx]);
+		set_din_const(&desc[idx], 0, blocksize);
+		set_flow_mode(&desc[idx], BYPASS);
+		set_dout_dlli(&desc[idx], (ctx->opad_tmp_keys_dma_addr),
+			      blocksize, NS_BIT, 0);
+		idx++;
+	}
+
+	rc = cc_send_sync_request(ctx->drvdata, &cc_req, desc, idx);
+	if (rc) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		goto out;
+	}
+
+	/* calc derived HMAC key */
+	for (idx = 0, i = 0; i < 2; i++) {
+		/* Load hash initial state */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_din_sram(&desc[idx], larval_addr, ctx->inter_digestsize);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+		idx++;
+
+		/* Load the hash current length*/
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_din_const(&desc[idx], 0, ctx->hash_len);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+		idx++;
+
+		/* Prepare ipad key */
+		hw_desc_init(&desc[idx]);
+		set_xor_val(&desc[idx], hmac_pad_const[i]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_flow_mode(&desc[idx], S_DIN_to_HASH);
+		set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+		idx++;
+
+		/* Perform HASH update */
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI, ctx->opad_tmp_keys_dma_addr,
+			     blocksize, NS_BIT);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_xor_active(&desc[idx]);
+		set_flow_mode(&desc[idx], DIN_HASH);
+		idx++;
+
+		/* Get the IPAD/OPAD xor key (Note, IPAD is the initial digest
+		 * of the first HASH "update" state)
+		 */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		if (i > 0) /* Not first iteration */
+			set_dout_dlli(&desc[idx], ctx->opad_tmp_keys_dma_addr,
+				      ctx->inter_digestsize, NS_BIT, 0);
+		else /* First iteration */
+			set_dout_dlli(&desc[idx], ctx->digest_buff_dma_addr,
+				      ctx->inter_digestsize, NS_BIT, 0);
+		set_flow_mode(&desc[idx], S_HASH_to_DOUT);
+		set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+		idx++;
+	}
+
+	rc = cc_send_sync_request(ctx->drvdata, &cc_req, desc, idx);
+
+out:
+	if (ctx->key_params.key_dma_addr) {
+		dma_unmap_single(dev, ctx->key_params.key_dma_addr,
+				 ctx->key_params.keylen, DMA_TO_DEVICE);
+		dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n",
+			&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
+	}
+
+	kfree_sensitive(ctx->key_params.key);
+
+	return rc;
+}
+
+static int cc_xcbc_setkey(struct crypto_ahash *ahash,
+			  const u8 *key, unsigned int keylen)
+{
+	struct cc_crypto_req cc_req = {};
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	int rc = 0;
+	unsigned int idx = 0;
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+
+	dev_dbg(dev, "===== setkey (%d) ====\n", keylen);
+
+	switch (keylen) {
+	case AES_KEYSIZE_128:
+	case AES_KEYSIZE_192:
+	case AES_KEYSIZE_256:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ctx->key_params.keylen = keylen;
+
+	ctx->key_params.key = kmemdup(key, keylen, GFP_KERNEL);
+	if (!ctx->key_params.key)
+		return -ENOMEM;
+
+	ctx->key_params.key_dma_addr =
+		dma_map_single(dev, ctx->key_params.key, keylen, DMA_TO_DEVICE);
+	if (dma_mapping_error(dev, ctx->key_params.key_dma_addr)) {
+		dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n",
+			key, keylen);
+		kfree_sensitive(ctx->key_params.key);
+		return -ENOMEM;
+	}
+	dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n",
+		&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
+
+	ctx->is_hmac = true;
+	/* 1. Load the AES key */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->key_params.key_dma_addr,
+		     keylen, NS_BIT);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_ECB);
+	set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_ENCRYPT);
+	set_key_size_aes(&desc[idx], keylen);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	idx++;
+
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0x01010101, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	set_dout_dlli(&desc[idx],
+		      (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K1_OFFSET),
+		      CC_AES_128_BIT_KEY_SIZE, NS_BIT, 0);
+	idx++;
+
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0x02020202, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	set_dout_dlli(&desc[idx],
+		      (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K2_OFFSET),
+		      CC_AES_128_BIT_KEY_SIZE, NS_BIT, 0);
+	idx++;
+
+	hw_desc_init(&desc[idx]);
+	set_din_const(&desc[idx], 0x03030303, CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], DIN_AES_DOUT);
+	set_dout_dlli(&desc[idx],
+		      (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K3_OFFSET),
+		      CC_AES_128_BIT_KEY_SIZE, NS_BIT, 0);
+	idx++;
+
+	rc = cc_send_sync_request(ctx->drvdata, &cc_req, desc, idx);
+
+	dma_unmap_single(dev, ctx->key_params.key_dma_addr,
+			 ctx->key_params.keylen, DMA_TO_DEVICE);
+	dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n",
+		&ctx->key_params.key_dma_addr, ctx->key_params.keylen);
+
+	kfree_sensitive(ctx->key_params.key);
+
+	return rc;
+}
+
+static int cc_cmac_setkey(struct crypto_ahash *ahash,
+			  const u8 *key, unsigned int keylen)
+{
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "===== setkey (%d) ====\n", keylen);
+
+	ctx->is_hmac = true;
+
+	switch (keylen) {
+	case AES_KEYSIZE_128:
+	case AES_KEYSIZE_192:
+	case AES_KEYSIZE_256:
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ctx->key_params.keylen = keylen;
+
+	/* STAT_PHASE_1: Copy key to ctx */
+
+	dma_sync_single_for_cpu(dev, ctx->opad_tmp_keys_dma_addr,
+				keylen, DMA_TO_DEVICE);
+
+	memcpy(ctx->opad_tmp_keys_buff, key, keylen);
+	if (keylen == 24) {
+		memset(ctx->opad_tmp_keys_buff + 24, 0,
+		       CC_AES_KEY_SIZE_MAX - 24);
+	}
+
+	dma_sync_single_for_device(dev, ctx->opad_tmp_keys_dma_addr,
+				   keylen, DMA_TO_DEVICE);
+
+	ctx->key_params.keylen = keylen;
+
+	return 0;
+}
+
+static void cc_free_ctx(struct cc_hash_ctx *ctx)
+{
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	if (ctx->digest_buff_dma_addr) {
+		dma_unmap_single(dev, ctx->digest_buff_dma_addr,
+				 sizeof(ctx->digest_buff), DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped digest-buffer: digest_buff_dma_addr=%pad\n",
+			&ctx->digest_buff_dma_addr);
+		ctx->digest_buff_dma_addr = 0;
+	}
+	if (ctx->opad_tmp_keys_dma_addr) {
+		dma_unmap_single(dev, ctx->opad_tmp_keys_dma_addr,
+				 sizeof(ctx->opad_tmp_keys_buff),
+				 DMA_BIDIRECTIONAL);
+		dev_dbg(dev, "Unmapped opad-digest: opad_tmp_keys_dma_addr=%pad\n",
+			&ctx->opad_tmp_keys_dma_addr);
+		ctx->opad_tmp_keys_dma_addr = 0;
+	}
+
+	ctx->key_params.keylen = 0;
+}
+
+static int cc_alloc_ctx(struct cc_hash_ctx *ctx)
+{
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	ctx->key_params.keylen = 0;
+
+	ctx->digest_buff_dma_addr =
+		dma_map_single(dev, ctx->digest_buff, sizeof(ctx->digest_buff),
+			       DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, ctx->digest_buff_dma_addr)) {
+		dev_err(dev, "Mapping digest len %zu B at va=%pK for DMA failed\n",
+			sizeof(ctx->digest_buff), ctx->digest_buff);
+		goto fail;
+	}
+	dev_dbg(dev, "Mapped digest %zu B at va=%pK to dma=%pad\n",
+		sizeof(ctx->digest_buff), ctx->digest_buff,
+		&ctx->digest_buff_dma_addr);
+
+	ctx->opad_tmp_keys_dma_addr =
+		dma_map_single(dev, ctx->opad_tmp_keys_buff,
+			       sizeof(ctx->opad_tmp_keys_buff),
+			       DMA_BIDIRECTIONAL);
+	if (dma_mapping_error(dev, ctx->opad_tmp_keys_dma_addr)) {
+		dev_err(dev, "Mapping opad digest %zu B at va=%pK for DMA failed\n",
+			sizeof(ctx->opad_tmp_keys_buff),
+			ctx->opad_tmp_keys_buff);
+		goto fail;
+	}
+	dev_dbg(dev, "Mapped opad_tmp_keys %zu B at va=%pK to dma=%pad\n",
+		sizeof(ctx->opad_tmp_keys_buff), ctx->opad_tmp_keys_buff,
+		&ctx->opad_tmp_keys_dma_addr);
+
+	ctx->is_hmac = false;
+	return 0;
+
+fail:
+	cc_free_ctx(ctx);
+	return -ENOMEM;
+}
+
+static int cc_get_hash_len(struct crypto_tfm *tfm)
+{
+	struct cc_hash_ctx *ctx = crypto_tfm_ctx(tfm);
+
+	if (ctx->hash_mode == DRV_HASH_SM3)
+		return CC_SM3_HASH_LEN_SIZE;
+	else
+		return cc_get_default_hash_len(ctx->drvdata);
+}
+
+static int cc_cra_init(struct crypto_tfm *tfm)
+{
+	struct cc_hash_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct hash_alg_common *hash_alg_common =
+		container_of(tfm->__crt_alg, struct hash_alg_common, base);
+	struct ahash_alg *ahash_alg =
+		container_of(hash_alg_common, struct ahash_alg, halg);
+	struct cc_hash_alg *cc_alg =
+			container_of(ahash_alg, struct cc_hash_alg, ahash_alg);
+
+	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+				 sizeof(struct ahash_req_ctx));
+
+	ctx->hash_mode = cc_alg->hash_mode;
+	ctx->hw_mode = cc_alg->hw_mode;
+	ctx->inter_digestsize = cc_alg->inter_digestsize;
+	ctx->drvdata = cc_alg->drvdata;
+	ctx->hash_len = cc_get_hash_len(tfm);
+	return cc_alloc_ctx(ctx);
+}
+
+static void cc_cra_exit(struct crypto_tfm *tfm)
+{
+	struct cc_hash_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	dev_dbg(dev, "cc_cra_exit");
+	cc_free_ctx(ctx);
+}
+
+static int cc_mac_update(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	unsigned int block_size = crypto_tfm_alg_blocksize(&tfm->base);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	int rc;
+	u32 idx = 0;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	if (req->nbytes == 0) {
+		/* no real updates required */
+		return 0;
+	}
+
+	state->xcbc_count++;
+
+	rc = cc_map_hash_request_update(ctx->drvdata, state, req->src,
+					req->nbytes, block_size, flags);
+	if (rc) {
+		if (rc == 1) {
+			dev_dbg(dev, " data size not require HW update %x\n",
+				req->nbytes);
+			/* No hardware updates are required */
+			return 0;
+		}
+		dev_err(dev, "map_ahash_request_update() failed\n");
+		return -ENOMEM;
+	}
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -EINVAL;
+	}
+
+	if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC)
+		cc_setup_xcbc(req, desc, &idx);
+	else
+		cc_setup_cmac(req, desc, &idx);
+
+	cc_set_desc(state, ctx, DIN_AES_DOUT, desc, true, &idx);
+
+	/* store the hash digest result in context */
+	hw_desc_init(&desc[idx]);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
+		      ctx->inter_digestsize, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_AES_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	idx++;
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_update_complete;
+	cc_req.user_arg = req;
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_mac_final(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	int idx = 0;
+	int rc = 0;
+	u32 key_size, key_len;
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+	gfp_t flags = cc_gfp_flags(&req->base);
+	u32 rem_cnt = *cc_hash_buf_cnt(state);
+
+	if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC) {
+		key_size = CC_AES_128_BIT_KEY_SIZE;
+		key_len  = CC_AES_128_BIT_KEY_SIZE;
+	} else {
+		key_size = (ctx->key_params.keylen == 24) ? AES_MAX_KEY_SIZE :
+			ctx->key_params.keylen;
+		key_len =  ctx->key_params.keylen;
+	}
+
+	dev_dbg(dev, "===== final  xcbc reminder (%d) ====\n", rem_cnt);
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -EINVAL;
+	}
+
+	if (cc_map_hash_request_final(ctx->drvdata, state, req->src,
+				      req->nbytes, 0, flags)) {
+		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	if (cc_map_result(dev, state, digestsize)) {
+		dev_err(dev, "map_ahash_digest() failed\n");
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_hash_complete;
+	cc_req.user_arg = req;
+
+	if (state->xcbc_count && rem_cnt == 0) {
+		/* Load key for ECB decryption */
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], DRV_CIPHER_ECB);
+		set_cipher_config0(&desc[idx], DRV_CRYPTO_DIRECTION_DECRYPT);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K1_OFFSET),
+			     key_size, NS_BIT);
+		set_key_size_aes(&desc[idx], key_len);
+		set_flow_mode(&desc[idx], S_DIN_to_AES);
+		set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+		idx++;
+
+		/* Initiate decryption of block state to previous
+		 * block_state-XOR-M[n]
+		 */
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+			     CC_AES_BLOCK_SIZE, NS_BIT);
+		set_dout_dlli(&desc[idx], state->digest_buff_dma_addr,
+			      CC_AES_BLOCK_SIZE, NS_BIT, 0);
+		set_flow_mode(&desc[idx], DIN_AES_DOUT);
+		idx++;
+
+		/* Memory Barrier: wait for axi write to complete */
+		hw_desc_init(&desc[idx]);
+		set_din_no_dma(&desc[idx], 0, 0xfffff0);
+		set_dout_no_dma(&desc[idx], 0, 0, 1);
+		idx++;
+	}
+
+	if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC)
+		cc_setup_xcbc(req, desc, &idx);
+	else
+		cc_setup_cmac(req, desc, &idx);
+
+	if (state->xcbc_count == 0) {
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_key_size_aes(&desc[idx], key_len);
+		set_cmac_size0_mode(&desc[idx]);
+		set_flow_mode(&desc[idx], S_DIN_to_AES);
+		idx++;
+	} else if (rem_cnt > 0) {
+		cc_set_desc(state, ctx, DIN_AES_DOUT, desc, false, &idx);
+	} else {
+		hw_desc_init(&desc[idx]);
+		set_din_const(&desc[idx], 0x00, CC_AES_BLOCK_SIZE);
+		set_flow_mode(&desc[idx], DIN_AES_DOUT);
+		idx++;
+	}
+
+	/* Get final MAC result */
+	hw_desc_init(&desc[idx]);
+	set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
+		      digestsize, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_AES_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	idx++;
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_result(dev, state, digestsize, req->result);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_mac_finup(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	int idx = 0;
+	int rc = 0;
+	u32 key_len = 0;
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "===== finup xcbc(%d) ====\n", req->nbytes);
+	if (state->xcbc_count > 0 && req->nbytes == 0) {
+		dev_dbg(dev, "No data to update. Call to fdx_mac_final\n");
+		return cc_mac_final(req);
+	}
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -EINVAL;
+	}
+
+	if (cc_map_hash_request_final(ctx->drvdata, state, req->src,
+				      req->nbytes, 1, flags)) {
+		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+	if (cc_map_result(dev, state, digestsize)) {
+		dev_err(dev, "map_ahash_digest() failed\n");
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_hash_complete;
+	cc_req.user_arg = req;
+
+	if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC) {
+		key_len = CC_AES_128_BIT_KEY_SIZE;
+		cc_setup_xcbc(req, desc, &idx);
+	} else {
+		key_len = ctx->key_params.keylen;
+		cc_setup_cmac(req, desc, &idx);
+	}
+
+	if (req->nbytes == 0) {
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_key_size_aes(&desc[idx], key_len);
+		set_cmac_size0_mode(&desc[idx]);
+		set_flow_mode(&desc[idx], S_DIN_to_AES);
+		idx++;
+	} else {
+		cc_set_desc(state, ctx, DIN_AES_DOUT, desc, false, &idx);
+	}
+
+	/* Get final MAC result */
+	hw_desc_init(&desc[idx]);
+	set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
+		      digestsize, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_AES_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	idx++;
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_result(dev, state, digestsize, req->result);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_mac_digest(struct ahash_request *req)
+{
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	u32 digestsize = crypto_ahash_digestsize(tfm);
+	struct cc_crypto_req cc_req = {};
+	struct cc_hw_desc desc[CC_MAX_HASH_SEQ_LEN];
+	u32 key_len;
+	unsigned int idx = 0;
+	int rc;
+	gfp_t flags = cc_gfp_flags(&req->base);
+
+	dev_dbg(dev, "===== -digest mac (%d) ====\n",  req->nbytes);
+
+	cc_init_req(dev, state, ctx);
+
+	if (cc_map_req(dev, state, ctx)) {
+		dev_err(dev, "map_ahash_source() failed\n");
+		return -ENOMEM;
+	}
+	if (cc_map_result(dev, state, digestsize)) {
+		dev_err(dev, "map_ahash_digest() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	if (cc_map_hash_request_final(ctx->drvdata, state, req->src,
+				      req->nbytes, 1, flags)) {
+		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_req(dev, state, ctx);
+		return -ENOMEM;
+	}
+
+	/* Setup request structure */
+	cc_req.user_cb = cc_digest_complete;
+	cc_req.user_arg = req;
+
+	if (ctx->hw_mode == DRV_CIPHER_XCBC_MAC) {
+		key_len = CC_AES_128_BIT_KEY_SIZE;
+		cc_setup_xcbc(req, desc, &idx);
+	} else {
+		key_len = ctx->key_params.keylen;
+		cc_setup_cmac(req, desc, &idx);
+	}
+
+	if (req->nbytes == 0) {
+		hw_desc_init(&desc[idx]);
+		set_cipher_mode(&desc[idx], ctx->hw_mode);
+		set_key_size_aes(&desc[idx], key_len);
+		set_cmac_size0_mode(&desc[idx]);
+		set_flow_mode(&desc[idx], S_DIN_to_AES);
+		idx++;
+	} else {
+		cc_set_desc(state, ctx, DIN_AES_DOUT, desc, false, &idx);
+	}
+
+	/* Get final MAC result */
+	hw_desc_init(&desc[idx]);
+	set_dout_dlli(&desc[idx], state->digest_result_dma_addr,
+		      CC_AES_BLOCK_SIZE, NS_BIT, 1);
+	set_queue_last_ind(ctx->drvdata, &desc[idx]);
+	set_flow_mode(&desc[idx], S_AES_to_DOUT);
+	set_setup_mode(&desc[idx], SETUP_WRITE_STATE0);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_cipher_mode(&desc[idx], ctx->hw_mode);
+	idx++;
+
+	rc = cc_send_request(ctx->drvdata, &cc_req, desc, idx, &req->base);
+	if (rc != -EINPROGRESS && rc != -EBUSY) {
+		dev_err(dev, "send_request() failed (rc=%d)\n", rc);
+		cc_unmap_hash_request(dev, state, req->src, true);
+		cc_unmap_result(dev, state, digestsize, req->result);
+		cc_unmap_req(dev, state, ctx);
+	}
+	return rc;
+}
+
+static int cc_hash_export(struct ahash_request *req, void *out)
+{
+	struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	u8 *curr_buff = cc_hash_buf(state);
+	u32 curr_buff_cnt = *cc_hash_buf_cnt(state);
+	const u32 tmp = CC_EXPORT_MAGIC;
+
+	memcpy(out, &tmp, sizeof(u32));
+	out += sizeof(u32);
+
+	memcpy(out, state->digest_buff, ctx->inter_digestsize);
+	out += ctx->inter_digestsize;
+
+	memcpy(out, state->digest_bytes_len, ctx->hash_len);
+	out += ctx->hash_len;
+
+	memcpy(out, &curr_buff_cnt, sizeof(u32));
+	out += sizeof(u32);
+
+	memcpy(out, curr_buff, curr_buff_cnt);
+
+	return 0;
+}
+
+static int cc_hash_import(struct ahash_request *req, const void *in)
+{
+	struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(ahash);
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+	struct ahash_req_ctx *state = ahash_request_ctx(req);
+	u32 tmp;
+
+	memcpy(&tmp, in, sizeof(u32));
+	if (tmp != CC_EXPORT_MAGIC)
+		return -EINVAL;
+	in += sizeof(u32);
+
+	cc_init_req(dev, state, ctx);
+
+	memcpy(state->digest_buff, in, ctx->inter_digestsize);
+	in += ctx->inter_digestsize;
+
+	memcpy(state->digest_bytes_len, in, ctx->hash_len);
+	in += ctx->hash_len;
+
+	/* Sanity check the data as much as possible */
+	memcpy(&tmp, in, sizeof(u32));
+	if (tmp > CC_MAX_HASH_BLCK_SIZE)
+		return -EINVAL;
+	in += sizeof(u32);
+
+	state->buf_cnt[0] = tmp;
+	memcpy(state->buffers[0], in, tmp);
+
+	return 0;
+}
+
+struct cc_hash_template {
+	char name[CRYPTO_MAX_ALG_NAME];
+	char driver_name[CRYPTO_MAX_ALG_NAME];
+	char mac_name[CRYPTO_MAX_ALG_NAME];
+	char mac_driver_name[CRYPTO_MAX_ALG_NAME];
+	unsigned int blocksize;
+	bool is_mac;
+	bool synchronize;
+	struct ahash_alg template_ahash;
+	int hash_mode;
+	int hw_mode;
+	int inter_digestsize;
+	struct cc_drvdata *drvdata;
+	u32 min_hw_rev;
+	enum cc_std_body std_body;
+};
+
+#define CC_STATE_SIZE(_x) \
+	((_x) + HASH_MAX_LEN_SIZE + CC_MAX_HASH_BLCK_SIZE + (2 * sizeof(u32)))
+
+/* hash descriptors */
+static struct cc_hash_template driver_hash[] = {
+	//Asynchronize hash template
+	{
+		.name = "sha1",
+		.driver_name = "sha1-ccree",
+		.mac_name = "hmac(sha1)",
+		.mac_driver_name = "hmac-sha1-ccree",
+		.blocksize = SHA1_BLOCK_SIZE,
+		.is_mac = true,
+		.synchronize = false,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SHA1_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SHA1_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_SHA1,
+		.hw_mode = DRV_HASH_HW_SHA1,
+		.inter_digestsize = SHA1_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "sha256",
+		.driver_name = "sha256-ccree",
+		.mac_name = "hmac(sha256)",
+		.mac_driver_name = "hmac-sha256-ccree",
+		.blocksize = SHA256_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SHA256_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SHA256_DIGEST_SIZE)
+			},
+		},
+		.hash_mode = DRV_HASH_SHA256,
+		.hw_mode = DRV_HASH_HW_SHA256,
+		.inter_digestsize = SHA256_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "sha224",
+		.driver_name = "sha224-ccree",
+		.mac_name = "hmac(sha224)",
+		.mac_driver_name = "hmac-sha224-ccree",
+		.blocksize = SHA224_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SHA224_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SHA256_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_SHA224,
+		.hw_mode = DRV_HASH_HW_SHA256,
+		.inter_digestsize = SHA256_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "sha384",
+		.driver_name = "sha384-ccree",
+		.mac_name = "hmac(sha384)",
+		.mac_driver_name = "hmac-sha384-ccree",
+		.blocksize = SHA384_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SHA384_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SHA512_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_SHA384,
+		.hw_mode = DRV_HASH_HW_SHA512,
+		.inter_digestsize = SHA512_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "sha512",
+		.driver_name = "sha512-ccree",
+		.mac_name = "hmac(sha512)",
+		.mac_driver_name = "hmac-sha512-ccree",
+		.blocksize = SHA512_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SHA512_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SHA512_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_SHA512,
+		.hw_mode = DRV_HASH_HW_SHA512,
+		.inter_digestsize = SHA512_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_712,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "md5",
+		.driver_name = "md5-ccree",
+		.mac_name = "hmac(md5)",
+		.mac_driver_name = "hmac-md5-ccree",
+		.blocksize = MD5_HMAC_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = MD5_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(MD5_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_MD5,
+		.hw_mode = DRV_HASH_HW_MD5,
+		.inter_digestsize = MD5_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.name = "sm3",
+		.driver_name = "sm3-ccree",
+		.blocksize = SM3_BLOCK_SIZE,
+		.is_mac = false,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_hash_update,
+			.final = cc_hash_final,
+			.finup = cc_hash_finup,
+			.digest = cc_hash_digest,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.setkey = cc_hash_setkey,
+			.halg = {
+				.digestsize = SM3_DIGEST_SIZE,
+				.statesize = CC_STATE_SIZE(SM3_DIGEST_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_SM3,
+		.hw_mode = DRV_HASH_HW_SM3,
+		.inter_digestsize = SM3_DIGEST_SIZE,
+		.min_hw_rev = CC_HW_REV_713,
+		.std_body = CC_STD_OSCCA,
+	},
+	{
+		.mac_name = "xcbc(aes)",
+		.mac_driver_name = "xcbc-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_mac_update,
+			.final = cc_mac_final,
+			.finup = cc_mac_finup,
+			.digest = cc_mac_digest,
+			.setkey = cc_xcbc_setkey,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.halg = {
+				.digestsize = AES_BLOCK_SIZE,
+				.statesize = CC_STATE_SIZE(AES_BLOCK_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_NULL,
+		.hw_mode = DRV_CIPHER_XCBC_MAC,
+		.inter_digestsize = AES_BLOCK_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+	{
+		.mac_name = "cmac(aes)",
+		.mac_driver_name = "cmac-aes-ccree",
+		.blocksize = AES_BLOCK_SIZE,
+		.is_mac = true,
+		.template_ahash = {
+			.init = cc_hash_init,
+			.update = cc_mac_update,
+			.final = cc_mac_final,
+			.finup = cc_mac_finup,
+			.digest = cc_mac_digest,
+			.setkey = cc_cmac_setkey,
+			.export = cc_hash_export,
+			.import = cc_hash_import,
+			.halg = {
+				.digestsize = AES_BLOCK_SIZE,
+				.statesize = CC_STATE_SIZE(AES_BLOCK_SIZE),
+			},
+		},
+		.hash_mode = DRV_HASH_NULL,
+		.hw_mode = DRV_CIPHER_CMAC,
+		.inter_digestsize = AES_BLOCK_SIZE,
+		.min_hw_rev = CC_HW_REV_630,
+		.std_body = CC_STD_NIST,
+	},
+};
+
+static struct cc_hash_alg *cc_alloc_hash_alg(struct cc_hash_template *template,
+					     struct device *dev, bool keyed)
+{
+	struct cc_hash_alg *t_crypto_alg;
+	struct crypto_alg *alg;
+	struct ahash_alg *halg;
+
+	t_crypto_alg = devm_kzalloc(dev, sizeof(*t_crypto_alg), GFP_KERNEL);
+	if (!t_crypto_alg)
+		return ERR_PTR(-ENOMEM);
+
+	t_crypto_alg->ahash_alg = template->template_ahash;
+	halg = &t_crypto_alg->ahash_alg;
+	alg = &halg->halg.base;
+
+	if (keyed) {
+		snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s",
+			 template->mac_name);
+		snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
+			 template->mac_driver_name);
+	} else {
+		halg->setkey = NULL;
+		snprintf(alg->cra_name, CRYPTO_MAX_ALG_NAME, "%s",
+			 template->name);
+		snprintf(alg->cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s",
+			 template->driver_name);
+	}
+	alg->cra_module = THIS_MODULE;
+	alg->cra_ctxsize = sizeof(struct cc_hash_ctx);
+	alg->cra_priority = CC_CRA_PRIO;
+	alg->cra_blocksize = template->blocksize;
+	alg->cra_alignmask = 0;
+	alg->cra_exit = cc_cra_exit;
+
+	alg->cra_init = cc_cra_init;
+	alg->cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
+
+	t_crypto_alg->hash_mode = template->hash_mode;
+	t_crypto_alg->hw_mode = template->hw_mode;
+	t_crypto_alg->inter_digestsize = template->inter_digestsize;
+
+	return t_crypto_alg;
+}
+
+static int cc_init_copy_sram(struct cc_drvdata *drvdata, const u32 *data,
+			     unsigned int size, u32 *sram_buff_ofs)
+{
+	struct cc_hw_desc larval_seq[CC_DIGEST_SIZE_MAX / sizeof(u32)];
+	unsigned int larval_seq_len = 0;
+	int rc;
+
+	cc_set_sram_desc(data, *sram_buff_ofs, size / sizeof(*data),
+			 larval_seq, &larval_seq_len);
+	rc = send_request_init(drvdata, larval_seq, larval_seq_len);
+	if (rc)
+		return rc;
+
+	*sram_buff_ofs += size;
+	return 0;
+}
+
+int cc_init_hash_sram(struct cc_drvdata *drvdata)
+{
+	struct cc_hash_handle *hash_handle = drvdata->hash_handle;
+	u32 sram_buff_ofs = hash_handle->digest_len_sram_addr;
+	bool large_sha_supported = (drvdata->hw_rev >= CC_HW_REV_712);
+	bool sm3_supported = (drvdata->hw_rev >= CC_HW_REV_713);
+	int rc = 0;
+
+	/* Copy-to-sram digest-len */
+	rc = cc_init_copy_sram(drvdata, cc_digest_len_init,
+			       sizeof(cc_digest_len_init), &sram_buff_ofs);
+	if (rc)
+		goto init_digest_const_err;
+
+	if (large_sha_supported) {
+		/* Copy-to-sram digest-len for sha384/512 */
+		rc = cc_init_copy_sram(drvdata, cc_digest_len_sha512_init,
+				       sizeof(cc_digest_len_sha512_init),
+				       &sram_buff_ofs);
+		if (rc)
+			goto init_digest_const_err;
+	}
+
+	/* The initial digests offset */
+	hash_handle->larval_digest_sram_addr = sram_buff_ofs;
+
+	/* Copy-to-sram initial SHA* digests */
+	rc = cc_init_copy_sram(drvdata, cc_md5_init, sizeof(cc_md5_init),
+			       &sram_buff_ofs);
+	if (rc)
+		goto init_digest_const_err;
+
+	rc = cc_init_copy_sram(drvdata, cc_sha1_init, sizeof(cc_sha1_init),
+			       &sram_buff_ofs);
+	if (rc)
+		goto init_digest_const_err;
+
+	rc = cc_init_copy_sram(drvdata, cc_sha224_init, sizeof(cc_sha224_init),
+			       &sram_buff_ofs);
+	if (rc)
+		goto init_digest_const_err;
+
+	rc = cc_init_copy_sram(drvdata, cc_sha256_init, sizeof(cc_sha256_init),
+			       &sram_buff_ofs);
+	if (rc)
+		goto init_digest_const_err;
+
+	if (sm3_supported) {
+		rc = cc_init_copy_sram(drvdata, cc_sm3_init,
+				       sizeof(cc_sm3_init), &sram_buff_ofs);
+		if (rc)
+			goto init_digest_const_err;
+	}
+
+	if (large_sha_supported) {
+		rc = cc_init_copy_sram(drvdata, cc_sha384_init,
+				       sizeof(cc_sha384_init), &sram_buff_ofs);
+		if (rc)
+			goto init_digest_const_err;
+
+		rc = cc_init_copy_sram(drvdata, cc_sha512_init,
+				       sizeof(cc_sha512_init), &sram_buff_ofs);
+		if (rc)
+			goto init_digest_const_err;
+	}
+
+init_digest_const_err:
+	return rc;
+}
+
+int cc_hash_alloc(struct cc_drvdata *drvdata)
+{
+	struct cc_hash_handle *hash_handle;
+	u32 sram_buff;
+	u32 sram_size_to_alloc;
+	struct device *dev = drvdata_to_dev(drvdata);
+	int rc = 0;
+	int alg;
+
+	hash_handle = devm_kzalloc(dev, sizeof(*hash_handle), GFP_KERNEL);
+	if (!hash_handle)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&hash_handle->hash_list);
+	drvdata->hash_handle = hash_handle;
+
+	sram_size_to_alloc = sizeof(cc_digest_len_init) +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init) +
+			sizeof(cc_sha224_init) +
+			sizeof(cc_sha256_init);
+
+	if (drvdata->hw_rev >= CC_HW_REV_713)
+		sram_size_to_alloc += sizeof(cc_sm3_init);
+
+	if (drvdata->hw_rev >= CC_HW_REV_712)
+		sram_size_to_alloc += sizeof(cc_digest_len_sha512_init) +
+			sizeof(cc_sha384_init) + sizeof(cc_sha512_init);
+
+	sram_buff = cc_sram_alloc(drvdata, sram_size_to_alloc);
+	if (sram_buff == NULL_SRAM_ADDR) {
+		rc = -ENOMEM;
+		goto fail;
+	}
+
+	/* The initial digest-len offset */
+	hash_handle->digest_len_sram_addr = sram_buff;
+
+	/*must be set before the alg registration as it is being used there*/
+	rc = cc_init_hash_sram(drvdata);
+	if (rc) {
+		dev_err(dev, "Init digest CONST failed (rc=%d)\n", rc);
+		goto fail;
+	}
+
+	/* ahash registration */
+	for (alg = 0; alg < ARRAY_SIZE(driver_hash); alg++) {
+		struct cc_hash_alg *t_alg;
+		int hw_mode = driver_hash[alg].hw_mode;
+
+		/* Check that the HW revision and variants are suitable */
+		if ((driver_hash[alg].min_hw_rev > drvdata->hw_rev) ||
+		    !(drvdata->std_bodies & driver_hash[alg].std_body))
+			continue;
+
+		if (driver_hash[alg].is_mac) {
+			/* register hmac version */
+			t_alg = cc_alloc_hash_alg(&driver_hash[alg], dev, true);
+			if (IS_ERR(t_alg)) {
+				rc = PTR_ERR(t_alg);
+				dev_err(dev, "%s alg allocation failed\n",
+					driver_hash[alg].driver_name);
+				goto fail;
+			}
+			t_alg->drvdata = drvdata;
+
+			rc = crypto_register_ahash(&t_alg->ahash_alg);
+			if (rc) {
+				dev_err(dev, "%s alg registration failed\n",
+					driver_hash[alg].driver_name);
+				goto fail;
+			}
+
+			list_add_tail(&t_alg->entry, &hash_handle->hash_list);
+		}
+		if (hw_mode == DRV_CIPHER_XCBC_MAC ||
+		    hw_mode == DRV_CIPHER_CMAC)
+			continue;
+
+		/* register hash version */
+		t_alg = cc_alloc_hash_alg(&driver_hash[alg], dev, false);
+		if (IS_ERR(t_alg)) {
+			rc = PTR_ERR(t_alg);
+			dev_err(dev, "%s alg allocation failed\n",
+				driver_hash[alg].driver_name);
+			goto fail;
+		}
+		t_alg->drvdata = drvdata;
+
+		rc = crypto_register_ahash(&t_alg->ahash_alg);
+		if (rc) {
+			dev_err(dev, "%s alg registration failed\n",
+				driver_hash[alg].driver_name);
+			goto fail;
+		}
+
+		list_add_tail(&t_alg->entry, &hash_handle->hash_list);
+	}
+
+	return 0;
+
+fail:
+	cc_hash_free(drvdata);
+	return rc;
+}
+
+int cc_hash_free(struct cc_drvdata *drvdata)
+{
+	struct cc_hash_alg *t_hash_alg, *hash_n;
+	struct cc_hash_handle *hash_handle = drvdata->hash_handle;
+
+	list_for_each_entry_safe(t_hash_alg, hash_n, &hash_handle->hash_list,
+				 entry) {
+		crypto_unregister_ahash(&t_hash_alg->ahash_alg);
+		list_del(&t_hash_alg->entry);
+	}
+
+	return 0;
+}
+
+static void cc_setup_xcbc(struct ahash_request *areq, struct cc_hw_desc desc[],
+			  unsigned int *seq_size)
+{
+	unsigned int idx = *seq_size;
+	struct ahash_req_ctx *state = ahash_request_ctx(areq);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	/* Setup XCBC MAC K1 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, (ctx->opad_tmp_keys_dma_addr +
+					    XCBC_MAC_K1_OFFSET),
+		     CC_AES_128_BIT_KEY_SIZE, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_hash_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC, ctx->hash_mode);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* Setup XCBC MAC K2 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K2_OFFSET),
+		     CC_AES_128_BIT_KEY_SIZE, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE1);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* Setup XCBC MAC K3 */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI,
+		     (ctx->opad_tmp_keys_dma_addr + XCBC_MAC_K3_OFFSET),
+		     CC_AES_128_BIT_KEY_SIZE, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE2);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* Loading MAC state */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+		     CC_AES_BLOCK_SIZE, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_XCBC_MAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], CC_AES_128_BIT_KEY_SIZE);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+	*seq_size = idx;
+}
+
+static void cc_setup_cmac(struct ahash_request *areq, struct cc_hw_desc desc[],
+			  unsigned int *seq_size)
+{
+	unsigned int idx = *seq_size;
+	struct ahash_req_ctx *state = ahash_request_ctx(areq);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct cc_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+	/* Setup CMAC Key */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, ctx->opad_tmp_keys_dma_addr,
+		     ((ctx->key_params.keylen == 24) ? AES_MAX_KEY_SIZE :
+		      ctx->key_params.keylen), NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_KEY0);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CMAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], ctx->key_params.keylen);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+
+	/* Load MAC state */
+	hw_desc_init(&desc[idx]);
+	set_din_type(&desc[idx], DMA_DLLI, state->digest_buff_dma_addr,
+		     CC_AES_BLOCK_SIZE, NS_BIT);
+	set_setup_mode(&desc[idx], SETUP_LOAD_STATE0);
+	set_cipher_mode(&desc[idx], DRV_CIPHER_CMAC);
+	set_cipher_config0(&desc[idx], DESC_DIRECTION_ENCRYPT_ENCRYPT);
+	set_key_size_aes(&desc[idx], ctx->key_params.keylen);
+	set_flow_mode(&desc[idx], S_DIN_to_AES);
+	idx++;
+	*seq_size = idx;
+}
+
+static void cc_set_desc(struct ahash_req_ctx *areq_ctx,
+			struct cc_hash_ctx *ctx, unsigned int flow_mode,
+			struct cc_hw_desc desc[], bool is_not_last_data,
+			unsigned int *seq_size)
+{
+	unsigned int idx = *seq_size;
+	struct device *dev = drvdata_to_dev(ctx->drvdata);
+
+	if (areq_ctx->data_dma_buf_type == CC_DMA_BUF_DLLI) {
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     sg_dma_address(areq_ctx->curr_sg),
+			     areq_ctx->curr_sg->length, NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		idx++;
+	} else {
+		if (areq_ctx->data_dma_buf_type == CC_DMA_BUF_NULL) {
+			dev_dbg(dev, " NULL mode\n");
+			/* nothing to build */
+			return;
+		}
+		/* bypass */
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_DLLI,
+			     areq_ctx->mlli_params.mlli_dma_addr,
+			     areq_ctx->mlli_params.mlli_len, NS_BIT);
+		set_dout_sram(&desc[idx], ctx->drvdata->mlli_sram_addr,
+			      areq_ctx->mlli_params.mlli_len);
+		set_flow_mode(&desc[idx], BYPASS);
+		idx++;
+		/* process */
+		hw_desc_init(&desc[idx]);
+		set_din_type(&desc[idx], DMA_MLLI,
+			     ctx->drvdata->mlli_sram_addr,
+			     areq_ctx->mlli_nents, NS_BIT);
+		set_flow_mode(&desc[idx], flow_mode);
+		idx++;
+	}
+	if (is_not_last_data)
+		set_din_not_last_indication(&desc[(idx - 1)]);
+	/* return updated desc sequence size */
+	*seq_size = idx;
+}
+
+static const void *cc_larval_digest(struct device *dev, u32 mode)
+{
+	switch (mode) {
+	case DRV_HASH_MD5:
+		return cc_md5_init;
+	case DRV_HASH_SHA1:
+		return cc_sha1_init;
+	case DRV_HASH_SHA224:
+		return cc_sha224_init;
+	case DRV_HASH_SHA256:
+		return cc_sha256_init;
+	case DRV_HASH_SHA384:
+		return cc_sha384_init;
+	case DRV_HASH_SHA512:
+		return cc_sha512_init;
+	case DRV_HASH_SM3:
+		return cc_sm3_init;
+	default:
+		dev_err(dev, "Invalid hash mode (%d)\n", mode);
+		return cc_md5_init;
+	}
+}
+
+/**
+ * cc_larval_digest_addr() - Get the address of the initial digest in SRAM
+ * according to the given hash mode
+ *
+ * @drvdata: Associated device driver context
+ * @mode: The Hash mode. Supported modes: MD5/SHA1/SHA224/SHA256
+ *
+ * Return:
+ * The address of the initial digest in SRAM
+ */
+u32 cc_larval_digest_addr(void *drvdata, u32 mode)
+{
+	struct cc_drvdata *_drvdata = (struct cc_drvdata *)drvdata;
+	struct cc_hash_handle *hash_handle = _drvdata->hash_handle;
+	struct device *dev = drvdata_to_dev(_drvdata);
+	bool sm3_supported = (_drvdata->hw_rev >= CC_HW_REV_713);
+	u32 addr;
+
+	switch (mode) {
+	case DRV_HASH_NULL:
+		break; /*Ignore*/
+	case DRV_HASH_MD5:
+		return (hash_handle->larval_digest_sram_addr);
+	case DRV_HASH_SHA1:
+		return (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init));
+	case DRV_HASH_SHA224:
+		return (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init));
+	case DRV_HASH_SHA256:
+		return (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init) +
+			sizeof(cc_sha224_init));
+	case DRV_HASH_SM3:
+		return (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init) +
+			sizeof(cc_sha224_init) +
+			sizeof(cc_sha256_init));
+	case DRV_HASH_SHA384:
+		addr = (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init) +
+			sizeof(cc_sha224_init) +
+			sizeof(cc_sha256_init));
+		if (sm3_supported)
+			addr += sizeof(cc_sm3_init);
+		return addr;
+	case DRV_HASH_SHA512:
+		addr = (hash_handle->larval_digest_sram_addr +
+			sizeof(cc_md5_init) +
+			sizeof(cc_sha1_init) +
+			sizeof(cc_sha224_init) +
+			sizeof(cc_sha256_init) +
+			sizeof(cc_sha384_init));
+		if (sm3_supported)
+			addr += sizeof(cc_sm3_init);
+		return addr;
+	default:
+		dev_err(dev, "Invalid hash mode (%d)\n", mode);
+	}
+
+	/*This is valid wrong value to avoid kernel crash*/
+	return hash_handle->larval_digest_sram_addr;
+}
+
+u32 cc_digest_len_addr(void *drvdata, u32 mode)
+{
+	struct cc_drvdata *_drvdata = (struct cc_drvdata *)drvdata;
+	struct cc_hash_handle *hash_handle = _drvdata->hash_handle;
+	u32 digest_len_addr = hash_handle->digest_len_sram_addr;
+
+	switch (mode) {
+	case DRV_HASH_SHA1:
+	case DRV_HASH_SHA224:
+	case DRV_HASH_SHA256:
+	case DRV_HASH_MD5:
+		return digest_len_addr;
+	case DRV_HASH_SHA384:
+	case DRV_HASH_SHA512:
+		return  digest_len_addr + sizeof(cc_digest_len_init);
+	default:
+		return digest_len_addr; /*to avoid kernel crash*/
+	}
+}
diff --git a/drivers/crypto/ccree/cc_hash.h b/drivers/crypto/ccree/cc_hash.h
new file mode 100644
index 000000000..3d0f2179e
--- /dev/null
+++ b/drivers/crypto/ccree/cc_hash.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_hash.h
+ * ARM CryptoCell Hash Crypto API
+ */
+
+#ifndef __CC_HASH_H__
+#define __CC_HASH_H__
+
+#include "cc_buffer_mgr.h"
+
+#define HMAC_IPAD_CONST	0x36363636
+#define HMAC_OPAD_CONST	0x5C5C5C5C
+#define HASH_LEN_SIZE_712 16
+#define HASH_LEN_SIZE_630 8
+#define HASH_MAX_LEN_SIZE HASH_LEN_SIZE_712
+#define CC_MAX_HASH_DIGEST_SIZE	SHA512_DIGEST_SIZE
+#define CC_MAX_HASH_BLCK_SIZE SHA512_BLOCK_SIZE
+
+#define XCBC_MAC_K1_OFFSET 0
+#define XCBC_MAC_K2_OFFSET 16
+#define XCBC_MAC_K3_OFFSET 32
+
+#define CC_EXPORT_MAGIC 0xC2EE1070U
+
+/* this struct was taken from drivers/crypto/nx/nx-aes-xcbc.c and it is used
+ * for xcbc/cmac statesize
+ */
+struct aeshash_state {
+	u8 state[AES_BLOCK_SIZE];
+	unsigned int count;
+	u8 buffer[AES_BLOCK_SIZE];
+};
+
+/* ahash state */
+struct ahash_req_ctx {
+	u8 buffers[2][CC_MAX_HASH_BLCK_SIZE] ____cacheline_aligned;
+	u8 digest_result_buff[CC_MAX_HASH_DIGEST_SIZE] ____cacheline_aligned;
+	u8 digest_buff[CC_MAX_HASH_DIGEST_SIZE] ____cacheline_aligned;
+	u8 opad_digest_buff[CC_MAX_HASH_DIGEST_SIZE] ____cacheline_aligned;
+	u8 digest_bytes_len[HASH_MAX_LEN_SIZE] ____cacheline_aligned;
+	struct async_gen_req_ctx gen_ctx ____cacheline_aligned;
+	enum cc_req_dma_buf_type data_dma_buf_type;
+	dma_addr_t opad_digest_dma_addr;
+	dma_addr_t digest_buff_dma_addr;
+	dma_addr_t digest_bytes_len_dma_addr;
+	dma_addr_t digest_result_dma_addr;
+	u32 buf_cnt[2];
+	u32 buff_index;
+	u32 xcbc_count; /* count xcbc update operatations */
+	struct scatterlist buff_sg[2];
+	struct scatterlist *curr_sg;
+	u32 in_nents;
+	u32 mlli_nents;
+	struct mlli_params mlli_params;
+};
+
+static inline u32 *cc_hash_buf_cnt(struct ahash_req_ctx *state)
+{
+	return &state->buf_cnt[state->buff_index];
+}
+
+static inline u8 *cc_hash_buf(struct ahash_req_ctx *state)
+{
+	return state->buffers[state->buff_index];
+}
+
+static inline u32 *cc_next_buf_cnt(struct ahash_req_ctx *state)
+{
+	return &state->buf_cnt[state->buff_index ^ 1];
+}
+
+static inline u8 *cc_next_buf(struct ahash_req_ctx *state)
+{
+	return state->buffers[state->buff_index ^ 1];
+}
+
+int cc_hash_alloc(struct cc_drvdata *drvdata);
+int cc_init_hash_sram(struct cc_drvdata *drvdata);
+int cc_hash_free(struct cc_drvdata *drvdata);
+
+/**
+ * cc_digest_len_addr() - Gets the initial digest length
+ *
+ * @drvdata: Associated device driver context
+ * @mode: The Hash mode. Supported modes: MD5/SHA1/SHA224/SHA256/SHA384/SHA512
+ *
+ * Return:
+ * Returns the address of the initial digest length in SRAM
+ */
+u32 cc_digest_len_addr(void *drvdata, u32 mode);
+
+/**
+ * cc_larval_digest_addr() - Gets the address of the initial digest in SRAM
+ * according to the given hash mode
+ *
+ * @drvdata: Associated device driver context
+ * @mode: The Hash mode. Supported modes: MD5/SHA1/SHA224/SHA256/SHA384/SHA512
+ *
+ * Return:
+ * The address of the initial digest in SRAM
+ */
+u32 cc_larval_digest_addr(void *drvdata, u32 mode);
+
+#endif /*__CC_HASH_H__*/
diff --git a/drivers/crypto/ccree/cc_host_regs.h b/drivers/crypto/ccree/cc_host_regs.h
new file mode 100644
index 000000000..efe3e1d8b
--- /dev/null
+++ b/drivers/crypto/ccree/cc_host_regs.h
@@ -0,0 +1,282 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited or its affiliates. */
+
+#ifndef __CC_HOST_H__
+#define __CC_HOST_H__
+
+// --------------------------------------
+// BLOCK: HOST_P
+// --------------------------------------
+
+
+/* IRR */
+#define CC_HOST_IRR_REG_OFFSET	0xA00UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SHIFT	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_DSCRPTR_COMPLETION_LOW_INT_BIT_SHIFT	0x2UL
+#define CC_HOST_IRR_DSCRPTR_COMPLETION_LOW_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SHIFT	0x3UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SHIFT	0x4UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SHIFT	0x5UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SHIFT	0x6UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SHIFT	0x7UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_AXI_ERR_INT_BIT_SHIFT	0x8UL
+#define CC_HOST_IRR_AXI_ERR_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SHIFT	0x9UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SHIFT	0xAUL
+#define CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_GPR0_BIT_SHIFT	0xBUL
+#define CC_HOST_IRR_GPR0_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SHIFT	0xCUL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SHIFT	0xDUL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SHIFT	0xEUL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SHIFT	0xFUL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SHIFT	0x10UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SHIFT	0x11UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SHIFT	0x12UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_DSCRPTR_WATERMARK_INT_BIT_SHIFT	0x13UL
+#define CC_HOST_IRR_DSCRPTR_WATERMARK_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SHIFT	0x14UL
+#define CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SIZE	0x1UL
+#define CC_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT	0x17UL
+#define CC_HOST_IRR_AXIM_COMP_INT_BIT_SIZE	0x1UL
+#define CC_HOST_SEP_SRAM_THRESHOLD_REG_OFFSET	0xA10UL
+#define CC_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_SEP_SRAM_THRESHOLD_VALUE_BIT_SIZE	0xCUL
+
+/* IMR */
+#define CC_HOST_IMR_REG_OFFSET	0x0A04UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SHIFT	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_0_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_DSCRPTR_COMPLETION_MASK_BIT_SHIFT	0x2UL
+#define CC_HOST_IMR_DSCRPTR_COMPLETION_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SHIFT	0x3UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_1_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SHIFT	0x4UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_2_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SHIFT	0x5UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_3_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SHIFT	0x6UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_4_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SHIFT	0x7UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_5_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_AXI_ERR_MASK_BIT_SHIFT	0x8UL
+#define CC_HOST_IMR_AXI_ERR_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SHIFT	0x9UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_6_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SHIFT	0xAUL
+#define CC_HOST_IMR_REE_OP_ABORTED_AES_7_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_GPR0_BIT_SHIFT	0xBUL
+#define CC_HOST_IMR_GPR0_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SHIFT	0xCUL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_0_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SHIFT	0xDUL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_1_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SHIFT	0xEUL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_2_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SHIFT	0xFUL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_3_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SHIFT	0x10UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_4_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SHIFT	0x11UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_5_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SHIFT	0x12UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_6_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_DSCRPTR_WATERMARK_MASK0_BIT_SHIFT	0x13UL
+#define CC_HOST_IMR_DSCRPTR_WATERMARK_MASK0_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SHIFT	0x14UL
+#define CC_HOST_IMR_REE_OP_ABORTED_SM_7_MASK_BIT_SIZE	0x1UL
+#define CC_HOST_IMR_AXIM_COMP_INT_MASK_BIT_SHIFT	0x17UL
+#define CC_HOST_IMR_AXIM_COMP_INT_MASK_BIT_SIZE	0x1UL
+
+/* ICR */
+#define CC_HOST_ICR_REG_OFFSET	0xA08UL
+#define CC_HOST_ICR_DSCRPTR_COMPLETION_BIT_SHIFT	0x2UL
+#define CC_HOST_ICR_DSCRPTR_COMPLETION_BIT_SIZE	0x1UL
+#define CC_HOST_ICR_AXI_ERR_CLEAR_BIT_SHIFT	0x8UL
+#define CC_HOST_ICR_AXI_ERR_CLEAR_BIT_SIZE	0x1UL
+#define CC_HOST_ICR_GPR_INT_CLEAR_BIT_SHIFT	0xBUL
+#define CC_HOST_ICR_GPR_INT_CLEAR_BIT_SIZE	0x1UL
+#define CC_HOST_ICR_DSCRPTR_WATERMARK_QUEUE0_CLEAR_BIT_SHIFT	0x13UL
+#define CC_HOST_ICR_DSCRPTR_WATERMARK_QUEUE0_CLEAR_BIT_SIZE	0x1UL
+#define CC_HOST_ICR_AXIM_COMP_INT_CLEAR_BIT_SHIFT	0x17UL
+#define CC_HOST_ICR_AXIM_COMP_INT_CLEAR_BIT_SIZE	0x1UL
+#define CC_NVM_IS_IDLE_REG_OFFSET       0x0A10UL
+#define CC_NVM_IS_IDLE_VALUE_BIT_SHIFT  0x0UL
+#define CC_NVM_IS_IDLE_VALUE_BIT_SIZE   0x1UL
+#define CC_SECURITY_DISABLED_REG_OFFSET		0x0A1CUL
+#define CC_SECURITY_DISABLED_VALUE_BIT_SHIFT	0x0UL
+#define CC_SECURITY_DISABLED_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_SIGNATURE_712_REG_OFFSET	0xA24UL
+#define CC_HOST_SIGNATURE_630_REG_OFFSET	0xAC8UL
+#define CC_HOST_SIGNATURE_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_SIGNATURE_VALUE_BIT_SIZE	0x20UL
+#define CC_HOST_BOOT_REG_OFFSET	0xA28UL
+#define CC_HOST_BOOT_SYNTHESIS_CONFIG_BIT_SHIFT	0x0UL
+#define CC_HOST_BOOT_SYNTHESIS_CONFIG_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_LARGE_RKEK_LOCAL_BIT_SHIFT	0x1UL
+#define CC_HOST_BOOT_LARGE_RKEK_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_HASH_IN_FUSES_LOCAL_BIT_SHIFT	0x2UL
+#define CC_HOST_BOOT_HASH_IN_FUSES_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_EXT_MEM_SECURED_LOCAL_BIT_SHIFT	0x3UL
+#define CC_HOST_BOOT_EXT_MEM_SECURED_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_RKEK_ECC_EXISTS_LOCAL_N_BIT_SHIFT	0x5UL
+#define CC_HOST_BOOT_RKEK_ECC_EXISTS_LOCAL_N_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_SRAM_SIZE_LOCAL_BIT_SHIFT	0x6UL
+#define CC_HOST_BOOT_SRAM_SIZE_LOCAL_BIT_SIZE	0x3UL
+#define CC_HOST_BOOT_DSCRPTR_EXISTS_LOCAL_BIT_SHIFT	0x9UL
+#define CC_HOST_BOOT_DSCRPTR_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_PAU_EXISTS_LOCAL_BIT_SHIFT	0xAUL
+#define CC_HOST_BOOT_PAU_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_RNG_EXISTS_LOCAL_BIT_SHIFT	0xBUL
+#define CC_HOST_BOOT_RNG_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_PKA_EXISTS_LOCAL_BIT_SHIFT	0xCUL
+#define CC_HOST_BOOT_PKA_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_RC4_EXISTS_LOCAL_BIT_SHIFT	0xDUL
+#define CC_HOST_BOOT_RC4_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_SHA_512_PRSNT_LOCAL_BIT_SHIFT	0xEUL
+#define CC_HOST_BOOT_SHA_512_PRSNT_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_SHA_256_PRSNT_LOCAL_BIT_SHIFT	0xFUL
+#define CC_HOST_BOOT_SHA_256_PRSNT_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_MD5_PRSNT_LOCAL_BIT_SHIFT	0x10UL
+#define CC_HOST_BOOT_MD5_PRSNT_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_HASH_EXISTS_LOCAL_BIT_SHIFT	0x11UL
+#define CC_HOST_BOOT_HASH_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_C2_EXISTS_LOCAL_BIT_SHIFT	0x12UL
+#define CC_HOST_BOOT_C2_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_DES_EXISTS_LOCAL_BIT_SHIFT	0x13UL
+#define CC_HOST_BOOT_DES_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_XCBC_MAC_EXISTS_LOCAL_BIT_SHIFT	0x14UL
+#define CC_HOST_BOOT_AES_XCBC_MAC_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_CMAC_EXISTS_LOCAL_BIT_SHIFT	0x15UL
+#define CC_HOST_BOOT_AES_CMAC_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_CCM_EXISTS_LOCAL_BIT_SHIFT	0x16UL
+#define CC_HOST_BOOT_AES_CCM_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_XEX_HW_T_CALC_LOCAL_BIT_SHIFT	0x17UL
+#define CC_HOST_BOOT_AES_XEX_HW_T_CALC_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_XEX_EXISTS_LOCAL_BIT_SHIFT	0x18UL
+#define CC_HOST_BOOT_AES_XEX_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_CTR_EXISTS_LOCAL_BIT_SHIFT	0x19UL
+#define CC_HOST_BOOT_CTR_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_DIN_BYTE_RESOLUTION_LOCAL_BIT_SHIFT	0x1AUL
+#define CC_HOST_BOOT_AES_DIN_BYTE_RESOLUTION_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_TUNNELING_ENB_LOCAL_BIT_SHIFT	0x1BUL
+#define CC_HOST_BOOT_TUNNELING_ENB_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_SUPPORT_256_192_KEY_LOCAL_BIT_SHIFT	0x1CUL
+#define CC_HOST_BOOT_SUPPORT_256_192_KEY_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_ONLY_ENCRYPT_LOCAL_BIT_SHIFT	0x1DUL
+#define CC_HOST_BOOT_ONLY_ENCRYPT_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_BOOT_AES_EXISTS_LOCAL_BIT_SHIFT	0x1EUL
+#define CC_HOST_BOOT_AES_EXISTS_LOCAL_BIT_SIZE	0x1UL
+#define CC_HOST_VERSION_712_REG_OFFSET	0xA40UL
+#define CC_HOST_VERSION_630_REG_OFFSET	0xAD8UL
+#define CC_HOST_VERSION_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_VERSION_VALUE_BIT_SIZE	0x20UL
+#define CC_HOST_KFDE0_VALID_REG_OFFSET	0xA60UL
+#define CC_HOST_KFDE0_VALID_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_KFDE0_VALID_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_KFDE1_VALID_REG_OFFSET	0xA64UL
+#define CC_HOST_KFDE1_VALID_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_KFDE1_VALID_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_KFDE2_VALID_REG_OFFSET	0xA68UL
+#define CC_HOST_KFDE2_VALID_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_KFDE2_VALID_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_KFDE3_VALID_REG_OFFSET	0xA6CUL
+#define CC_HOST_KFDE3_VALID_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_KFDE3_VALID_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_GPR0_REG_OFFSET	0xA70UL
+#define CC_HOST_GPR0_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_GPR0_VALUE_BIT_SIZE	0x20UL
+#define CC_GPR_HOST_REG_OFFSET	0xA74UL
+#define CC_GPR_HOST_VALUE_BIT_SHIFT	0x0UL
+#define CC_GPR_HOST_VALUE_BIT_SIZE	0x20UL
+#define CC_HOST_POWER_DOWN_EN_REG_OFFSET	0xA78UL
+#define CC_HOST_POWER_DOWN_EN_VALUE_BIT_SHIFT	0x0UL
+#define CC_HOST_POWER_DOWN_EN_VALUE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REG_OFFSET	0x0A7CUL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_AES_ENGINE_BIT_SHIFT	0x0UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_AES_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_AES_MAC_ENGINE_BIT_SHIFT	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_AES_MAC_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_GHASH_ENGINE_BIT_SHIFT	0x2UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_GHASH_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_DES_ENGINE_BIT_SHIFT	0x3UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_DES_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_HASH_ENGINE_BIT_SHIFT	0x4UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_HASH_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_SM3_ENGINE_BIT_SHIFT	0x5UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_SM3_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_SM4_ENGINE_BIT_SHIFT	0x6UL
+#define CC_HOST_REMOVE_INPUT_PINS_REMOVE_SM4_ENGINE_BIT_SIZE	0x1UL
+#define CC_HOST_REMOVE_INPUT_PINS_OTP_DISCONNECTED_BIT_SHIFT	0x7UL
+#define CC_HOST_REMOVE_INPUT_PINS_OTP_DISCONNECTED_BIT_SIZE	0x1UL
+// --------------------------------------
+// BLOCK: ID_REGISTERS
+// --------------------------------------
+#define CC_PERIPHERAL_ID_4_REG_OFFSET	0x0FD0UL
+#define CC_PERIPHERAL_ID_4_VALUE_BIT_SHIFT	0x0UL
+#define CC_PERIPHERAL_ID_4_VALUE_BIT_SIZE	0x4UL
+#define CC_PIDRESERVED0_REG_OFFSET	0x0FD4UL
+#define CC_PIDRESERVED1_REG_OFFSET	0x0FD8UL
+#define CC_PIDRESERVED2_REG_OFFSET	0x0FDCUL
+#define CC_PERIPHERAL_ID_0_REG_OFFSET	0x0FE0UL
+#define CC_PERIPHERAL_ID_0_VALUE_BIT_SHIFT	0x0UL
+#define CC_PERIPHERAL_ID_0_VALUE_BIT_SIZE	0x8UL
+#define CC_PERIPHERAL_ID_1_REG_OFFSET	0x0FE4UL
+#define CC_PERIPHERAL_ID_1_PART_1_BIT_SHIFT	0x0UL
+#define CC_PERIPHERAL_ID_1_PART_1_BIT_SIZE	0x4UL
+#define CC_PERIPHERAL_ID_1_DES_0_JEP106_BIT_SHIFT	0x4UL
+#define CC_PERIPHERAL_ID_1_DES_0_JEP106_BIT_SIZE	0x4UL
+#define CC_PERIPHERAL_ID_2_REG_OFFSET	0x0FE8UL
+#define CC_PERIPHERAL_ID_2_DES_1_JEP106_BIT_SHIFT	0x0UL
+#define CC_PERIPHERAL_ID_2_DES_1_JEP106_BIT_SIZE	0x3UL
+#define CC_PERIPHERAL_ID_2_JEDEC_BIT_SHIFT	0x3UL
+#define CC_PERIPHERAL_ID_2_JEDEC_BIT_SIZE	0x1UL
+#define CC_PERIPHERAL_ID_2_REVISION_BIT_SHIFT	0x4UL
+#define CC_PERIPHERAL_ID_2_REVISION_BIT_SIZE	0x4UL
+#define CC_PERIPHERAL_ID_3_REG_OFFSET	0x0FECUL
+#define CC_PERIPHERAL_ID_3_CMOD_BIT_SHIFT	0x0UL
+#define CC_PERIPHERAL_ID_3_CMOD_BIT_SIZE	0x4UL
+#define CC_PERIPHERAL_ID_3_REVAND_BIT_SHIFT	0x4UL
+#define CC_PERIPHERAL_ID_3_REVAND_BIT_SIZE	0x4UL
+#define CC_COMPONENT_ID_0_REG_OFFSET	0x0FF0UL
+#define CC_COMPONENT_ID_0_VALUE_BIT_SHIFT	0x0UL
+#define CC_COMPONENT_ID_0_VALUE_BIT_SIZE	0x8UL
+#define CC_COMPONENT_ID_1_REG_OFFSET	0x0FF4UL
+#define CC_COMPONENT_ID_1_PRMBL_1_BIT_SHIFT	0x0UL
+#define CC_COMPONENT_ID_1_PRMBL_1_BIT_SIZE	0x4UL
+#define CC_COMPONENT_ID_1_CLASS_BIT_SHIFT	0x4UL
+#define CC_COMPONENT_ID_1_CLASS_BIT_SIZE	0x4UL
+#define CC_COMPONENT_ID_2_REG_OFFSET	0x0FF8UL
+#define CC_COMPONENT_ID_2_VALUE_BIT_SHIFT	0x0UL
+#define CC_COMPONENT_ID_2_VALUE_BIT_SIZE	0x8UL
+#define CC_COMPONENT_ID_3_REG_OFFSET	0x0FFCUL
+#define CC_COMPONENT_ID_3_VALUE_BIT_SHIFT	0x0UL
+#define CC_COMPONENT_ID_3_VALUE_BIT_SIZE	0x8UL
+// --------------------------------------
+// BLOCK: HOST_SRAM
+// --------------------------------------
+#define CC_SRAM_DATA_REG_OFFSET	0xF00UL
+#define CC_SRAM_DATA_VALUE_BIT_SHIFT	0x0UL
+#define CC_SRAM_DATA_VALUE_BIT_SIZE	0x20UL
+#define CC_SRAM_ADDR_REG_OFFSET	0xF04UL
+#define CC_SRAM_ADDR_VALUE_BIT_SHIFT	0x0UL
+#define CC_SRAM_ADDR_VALUE_BIT_SIZE	0xFUL
+#define CC_SRAM_DATA_READY_REG_OFFSET	0xF08UL
+#define CC_SRAM_DATA_READY_VALUE_BIT_SHIFT	0x0UL
+#define CC_SRAM_DATA_READY_VALUE_BIT_SIZE	0x1UL
+
+#endif //__CC_HOST_H__
diff --git a/drivers/crypto/ccree/cc_hw_queue_defs.h b/drivers/crypto/ccree/cc_hw_queue_defs.h
new file mode 100644
index 000000000..15df58c66
--- /dev/null
+++ b/drivers/crypto/ccree/cc_hw_queue_defs.h
@@ -0,0 +1,633 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef __CC_HW_QUEUE_DEFS_H__
+#define __CC_HW_QUEUE_DEFS_H__
+
+#include <linux/types.h>
+
+#include "cc_kernel_regs.h"
+#include <linux/bitfield.h>
+
+/******************************************************************************
+ *				DEFINITIONS
+ ******************************************************************************/
+
+#define HW_DESC_SIZE_WORDS		6
+/* Define max. available slots in HW queue */
+#define HW_QUEUE_SLOTS_MAX              15
+
+#define CC_REG_LOW(name)  (name ## _BIT_SHIFT)
+#define CC_REG_HIGH(name) (CC_REG_LOW(name) + name ## _BIT_SIZE - 1)
+#define CC_GENMASK(name)  GENMASK(CC_REG_HIGH(name), CC_REG_LOW(name))
+
+#define CC_HWQ_GENMASK(word, field) \
+	CC_GENMASK(CC_DSCRPTR_QUEUE_WORD ## word ## _ ## field)
+
+#define WORD0_VALUE		CC_HWQ_GENMASK(0, VALUE)
+#define	WORD0_CPP_CIPHER_MODE	CC_HWQ_GENMASK(0, CPP_CIPHER_MODE)
+#define WORD1_DIN_CONST_VALUE	CC_HWQ_GENMASK(1, DIN_CONST_VALUE)
+#define WORD1_DIN_DMA_MODE	CC_HWQ_GENMASK(1, DIN_DMA_MODE)
+#define WORD1_DIN_SIZE		CC_HWQ_GENMASK(1, DIN_SIZE)
+#define WORD1_NOT_LAST		CC_HWQ_GENMASK(1, NOT_LAST)
+#define WORD1_NS_BIT		CC_HWQ_GENMASK(1, NS_BIT)
+#define WORD1_LOCK_QUEUE	CC_HWQ_GENMASK(1, LOCK_QUEUE)
+#define WORD2_VALUE		CC_HWQ_GENMASK(2, VALUE)
+#define WORD3_DOUT_DMA_MODE	CC_HWQ_GENMASK(3, DOUT_DMA_MODE)
+#define WORD3_DOUT_LAST_IND	CC_HWQ_GENMASK(3, DOUT_LAST_IND)
+#define WORD3_DOUT_SIZE		CC_HWQ_GENMASK(3, DOUT_SIZE)
+#define WORD3_HASH_XOR_BIT	CC_HWQ_GENMASK(3, HASH_XOR_BIT)
+#define WORD3_NS_BIT		CC_HWQ_GENMASK(3, NS_BIT)
+#define WORD3_QUEUE_LAST_IND	CC_HWQ_GENMASK(3, QUEUE_LAST_IND)
+#define WORD4_ACK_NEEDED	CC_HWQ_GENMASK(4, ACK_NEEDED)
+#define WORD4_AES_SEL_N_HASH	CC_HWQ_GENMASK(4, AES_SEL_N_HASH)
+#define WORD4_AES_XOR_CRYPTO_KEY CC_HWQ_GENMASK(4, AES_XOR_CRYPTO_KEY)
+#define WORD4_BYTES_SWAP	CC_HWQ_GENMASK(4, BYTES_SWAP)
+#define WORD4_CIPHER_CONF0	CC_HWQ_GENMASK(4, CIPHER_CONF0)
+#define WORD4_CIPHER_CONF1	CC_HWQ_GENMASK(4, CIPHER_CONF1)
+#define WORD4_CIPHER_CONF2	CC_HWQ_GENMASK(4, CIPHER_CONF2)
+#define WORD4_CIPHER_DO		CC_HWQ_GENMASK(4, CIPHER_DO)
+#define WORD4_CIPHER_MODE	CC_HWQ_GENMASK(4, CIPHER_MODE)
+#define WORD4_CMAC_SIZE0	CC_HWQ_GENMASK(4, CMAC_SIZE0)
+#define WORD4_DATA_FLOW_MODE	CC_HWQ_GENMASK(4, DATA_FLOW_MODE)
+#define WORD4_KEY_SIZE		CC_HWQ_GENMASK(4, KEY_SIZE)
+#define WORD4_SETUP_OPERATION	CC_HWQ_GENMASK(4, SETUP_OPERATION)
+#define WORD5_DIN_ADDR_HIGH	CC_HWQ_GENMASK(5, DIN_ADDR_HIGH)
+#define WORD5_DOUT_ADDR_HIGH	CC_HWQ_GENMASK(5, DOUT_ADDR_HIGH)
+
+/******************************************************************************
+ *				TYPE DEFINITIONS
+ ******************************************************************************/
+
+struct cc_hw_desc {
+	union {
+		u32 word[HW_DESC_SIZE_WORDS];
+		u16 hword[HW_DESC_SIZE_WORDS * 2];
+	};
+};
+
+enum cc_axi_sec {
+	AXI_SECURE = 0,
+	AXI_NOT_SECURE = 1
+};
+
+enum cc_desc_direction {
+	DESC_DIRECTION_ILLEGAL = -1,
+	DESC_DIRECTION_ENCRYPT_ENCRYPT = 0,
+	DESC_DIRECTION_DECRYPT_DECRYPT = 1,
+	DESC_DIRECTION_DECRYPT_ENCRYPT = 3,
+	DESC_DIRECTION_END = S32_MAX,
+};
+
+enum cc_dma_mode {
+	DMA_MODE_NULL		= -1,
+	NO_DMA			= 0,
+	DMA_SRAM		= 1,
+	DMA_DLLI		= 2,
+	DMA_MLLI		= 3,
+	DMA_MODE_END		= S32_MAX,
+};
+
+enum cc_flow_mode {
+	FLOW_MODE_NULL		= -1,
+	/* data flows */
+	BYPASS			= 0,
+	DIN_AES_DOUT		= 1,
+	AES_to_HASH		= 2,
+	AES_and_HASH		= 3,
+	DIN_DES_DOUT		= 4,
+	DES_to_HASH		= 5,
+	DES_and_HASH		= 6,
+	DIN_HASH		= 7,
+	DIN_HASH_and_BYPASS	= 8,
+	AESMAC_and_BYPASS	= 9,
+	AES_to_HASH_and_DOUT	= 10,
+	DIN_RC4_DOUT		= 11,
+	DES_to_HASH_and_DOUT	= 12,
+	AES_to_AES_to_HASH_and_DOUT	= 13,
+	AES_to_AES_to_HASH	= 14,
+	AES_to_HASH_and_AES	= 15,
+	DIN_SM4_DOUT		= 16,
+	DIN_AES_AESMAC		= 17,
+	HASH_to_DOUT		= 18,
+	/* setup flows */
+	S_DIN_to_AES		= 32,
+	S_DIN_to_AES2		= 33,
+	S_DIN_to_DES		= 34,
+	S_DIN_to_RC4		= 35,
+	S_DIN_to_SM4		= 36,
+	S_DIN_to_HASH		= 37,
+	S_AES_to_DOUT		= 38,
+	S_AES2_to_DOUT		= 39,
+	S_SM4_to_DOUT		= 40,
+	S_RC4_to_DOUT		= 41,
+	S_DES_to_DOUT		= 42,
+	S_HASH_to_DOUT		= 43,
+	SET_FLOW_ID		= 44,
+	FLOW_MODE_END = S32_MAX,
+};
+
+enum cc_setup_op {
+	SETUP_LOAD_NOP		= 0,
+	SETUP_LOAD_STATE0	= 1,
+	SETUP_LOAD_STATE1	= 2,
+	SETUP_LOAD_STATE2	= 3,
+	SETUP_LOAD_KEY0		= 4,
+	SETUP_LOAD_XEX_KEY	= 5,
+	SETUP_WRITE_STATE0	= 8,
+	SETUP_WRITE_STATE1	= 9,
+	SETUP_WRITE_STATE2	= 10,
+	SETUP_WRITE_STATE3	= 11,
+	SETUP_OP_END = S32_MAX,
+};
+
+enum cc_hash_conf_pad {
+	HASH_PADDING_DISABLED = 0,
+	HASH_PADDING_ENABLED = 1,
+	HASH_DIGEST_RESULT_LITTLE_ENDIAN = 2,
+	HASH_CONFIG1_PADDING_RESERVE32 = S32_MAX,
+};
+
+enum cc_aes_mac_selector {
+	AES_SK = 1,
+	AES_CMAC_INIT = 2,
+	AES_CMAC_SIZE0 = 3,
+	AES_MAC_END = S32_MAX,
+};
+
+#define HW_KEY_MASK_CIPHER_DO	  0x3
+#define HW_KEY_SHIFT_CIPHER_CFG2  2
+
+/* HwCryptoKey[1:0] is mapped to cipher_do[1:0] */
+/* HwCryptoKey[2:3] is mapped to cipher_config2[1:0] */
+enum cc_hw_crypto_key {
+	USER_KEY = 0,			/* 0x0000 */
+	ROOT_KEY = 1,			/* 0x0001 */
+	PROVISIONING_KEY = 2,		/* 0x0010 */ /* ==KCP */
+	SESSION_KEY = 3,		/* 0x0011 */
+	RESERVED_KEY = 4,		/* NA */
+	PLATFORM_KEY = 5,		/* 0x0101 */
+	CUSTOMER_KEY = 6,		/* 0x0110 */
+	KFDE0_KEY = 7,			/* 0x0111 */
+	KFDE1_KEY = 9,			/* 0x1001 */
+	KFDE2_KEY = 10,			/* 0x1010 */
+	KFDE3_KEY = 11,			/* 0x1011 */
+	END_OF_KEYS = S32_MAX,
+};
+
+#define CC_NUM_HW_KEY_SLOTS	4
+#define CC_FIRST_HW_KEY_SLOT	0
+#define CC_LAST_HW_KEY_SLOT	(CC_FIRST_HW_KEY_SLOT + CC_NUM_HW_KEY_SLOTS - 1)
+
+#define CC_NUM_CPP_KEY_SLOTS	8
+#define CC_FIRST_CPP_KEY_SLOT	16
+#define CC_LAST_CPP_KEY_SLOT	(CC_FIRST_CPP_KEY_SLOT + \
+					CC_NUM_CPP_KEY_SLOTS - 1)
+
+enum cc_hw_aes_key_size {
+	AES_128_KEY = 0,
+	AES_192_KEY = 1,
+	AES_256_KEY = 2,
+	END_OF_AES_KEYS = S32_MAX,
+};
+
+enum cc_hash_cipher_pad {
+	DO_NOT_PAD = 0,
+	DO_PAD = 1,
+	HASH_CIPHER_DO_PADDING_RESERVE32 = S32_MAX,
+};
+
+#define CC_CPP_DIN_ADDR	0xFF00FF00UL
+#define CC_CPP_DIN_SIZE 0xFF00FFUL
+
+/*****************************/
+/* Descriptor packing macros */
+/*****************************/
+
+/**
+ * hw_desc_init() - Init a HW descriptor struct
+ * @pdesc: pointer to HW descriptor struct
+ */
+static inline void hw_desc_init(struct cc_hw_desc *pdesc)
+{
+	memset(pdesc, 0, sizeof(struct cc_hw_desc));
+}
+
+/**
+ * set_queue_last_ind_bit() - Indicate the end of current HW descriptors flow
+ * and release the HW engines.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_queue_last_ind_bit(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[3] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1);
+}
+
+/**
+ * set_din_type() - Set the DIN field of a HW descriptor
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
+ * @addr: DIN address
+ * @size: Data size in bytes
+ * @axi_sec: AXI secure bit
+ */
+static inline void set_din_type(struct cc_hw_desc *pdesc,
+				enum cc_dma_mode dma_mode, dma_addr_t addr,
+				u32 size, enum cc_axi_sec axi_sec)
+{
+	pdesc->word[0] = lower_32_bits(addr);
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	pdesc->word[5] |= FIELD_PREP(WORD5_DIN_ADDR_HIGH, upper_32_bits(addr));
+#endif
+	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_DMA_MODE, dma_mode) |
+				FIELD_PREP(WORD1_DIN_SIZE, size) |
+				FIELD_PREP(WORD1_NS_BIT, axi_sec);
+}
+
+/**
+ * set_din_no_dma() - Set the DIN field of a HW descriptor to NO DMA mode.
+ * Used for NOP descriptor, register patches and other special modes.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @addr: DIN address
+ * @size: Data size in bytes
+ */
+static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size)
+{
+	pdesc->word[0] = addr;
+	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size);
+}
+
+/**
+ * set_cpp_crypto_key() - Setup the special CPP descriptor
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @slot: Slot number
+ */
+static inline void set_cpp_crypto_key(struct cc_hw_desc *pdesc, u8 slot)
+{
+	pdesc->word[0] |= CC_CPP_DIN_ADDR;
+
+	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, CC_CPP_DIN_SIZE);
+	pdesc->word[1] |= FIELD_PREP(WORD1_LOCK_QUEUE, 1);
+
+	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, slot);
+}
+
+/**
+ * set_din_sram() - Set the DIN field of a HW descriptor to SRAM mode.
+ * Note: No need to check SRAM alignment since host requests do not use SRAM and
+ * the adaptor will enforce alignment checks.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @addr: DIN address
+ * @size: Data size in bytes
+ */
+static inline void set_din_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
+{
+	pdesc->word[0] = addr;
+	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_SIZE, size) |
+				FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM);
+}
+
+/**
+ * set_din_const() - Set the DIN field of a HW descriptor to CONST mode
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @val: DIN const value
+ * @size: Data size in bytes
+ */
+static inline void set_din_const(struct cc_hw_desc *pdesc, u32 val, u32 size)
+{
+	pdesc->word[0] = val;
+	pdesc->word[1] |= FIELD_PREP(WORD1_DIN_CONST_VALUE, 1) |
+			FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM) |
+			FIELD_PREP(WORD1_DIN_SIZE, size);
+}
+
+/**
+ * set_din_not_last_indication() - Set the DIN not last input data indicator
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_din_not_last_indication(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[1] |= FIELD_PREP(WORD1_NOT_LAST, 1);
+}
+
+/**
+ * set_dout_type() - Set the DOUT field of a HW descriptor
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @dma_mode: The DMA mode: NO_DMA, SRAM, DLLI, MLLI, CONSTANT
+ * @addr: DOUT address
+ * @size: Data size in bytes
+ * @axi_sec: AXI secure bit
+ */
+static inline void set_dout_type(struct cc_hw_desc *pdesc,
+				 enum cc_dma_mode dma_mode, dma_addr_t addr,
+				 u32 size, enum cc_axi_sec axi_sec)
+{
+	pdesc->word[2] = lower_32_bits(addr);
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	pdesc->word[5] |= FIELD_PREP(WORD5_DOUT_ADDR_HIGH, upper_32_bits(addr));
+#endif
+	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, dma_mode) |
+				FIELD_PREP(WORD3_DOUT_SIZE, size) |
+				FIELD_PREP(WORD3_NS_BIT, axi_sec);
+}
+
+/**
+ * set_dout_dlli() - Set the DOUT field of a HW descriptor to DLLI type
+ * The LAST INDICATION is provided by the user
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @addr: DOUT address
+ * @size: Data size in bytes
+ * @axi_sec: AXI secure bit
+ * @last_ind: The last indication bit
+ */
+static inline void set_dout_dlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
+				 u32 size, enum cc_axi_sec axi_sec,
+				 u32 last_ind)
+{
+	set_dout_type(pdesc, DMA_DLLI, addr, size, axi_sec);
+	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
+}
+
+/**
+ * set_dout_mlli() - Set the DOUT field of a HW descriptor to MLLI type
+ * The LAST INDICATION is provided by the user
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @addr: DOUT address
+ * @size: Data size in bytes
+ * @axi_sec: AXI secure bit
+ * @last_ind: The last indication bit
+ */
+static inline void set_dout_mlli(struct cc_hw_desc *pdesc, u32 addr, u32 size,
+				 enum cc_axi_sec axi_sec, bool last_ind)
+{
+	set_dout_type(pdesc, DMA_MLLI, addr, size, axi_sec);
+	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
+}
+
+/**
+ * set_dout_no_dma() - Set the DOUT field of a HW descriptor to NO DMA mode.
+ * Used for NOP descriptor, register patches and other special modes.
+ *
+ * @pdesc: pointer to HW descriptor struct
+ * @addr: DOUT address
+ * @size: Data size in bytes
+ * @write_enable: Enables a write operation to a register
+ */
+static inline void set_dout_no_dma(struct cc_hw_desc *pdesc, u32 addr,
+				   u32 size, bool write_enable)
+{
+	pdesc->word[2] = addr;
+	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_SIZE, size) |
+			FIELD_PREP(WORD3_DOUT_LAST_IND, write_enable);
+}
+
+/**
+ * set_xor_val() - Set the word for the XOR operation.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @val: XOR data value
+ */
+static inline void set_xor_val(struct cc_hw_desc *pdesc, u32 val)
+{
+	pdesc->word[2] = val;
+}
+
+/**
+ * set_xor_active() - Set the XOR indicator bit in the descriptor
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_xor_active(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[3] |= FIELD_PREP(WORD3_HASH_XOR_BIT, 1);
+}
+
+/**
+ * set_aes_not_hash_mode() - Select the AES engine instead of HASH engine when
+ * setting up combined mode with AES XCBC MAC
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_aes_not_hash_mode(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_AES_SEL_N_HASH, 1);
+}
+
+/**
+ * set_aes_xor_crypto_key() - Set aes xor crypto key, which in some scenarios
+ * selects the SM3 engine
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_aes_xor_crypto_key(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1);
+}
+
+/**
+ * set_dout_sram() - Set the DOUT field of a HW descriptor to SRAM mode
+ * Note: No need to check SRAM alignment since host requests do not use SRAM and
+ * the adaptor will enforce alignment checks.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @addr: DOUT address
+ * @size: Data size in bytes
+ */
+static inline void set_dout_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
+{
+	pdesc->word[2] = addr;
+	pdesc->word[3] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, DMA_SRAM) |
+			FIELD_PREP(WORD3_DOUT_SIZE, size);
+}
+
+/**
+ * set_xex_data_unit_size() - Set the data unit size for XEX mode in
+ * data_out_addr[15:0]
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @size: Data unit size for XEX mode
+ */
+static inline void set_xex_data_unit_size(struct cc_hw_desc *pdesc, u32 size)
+{
+	pdesc->word[2] = size;
+}
+
+/**
+ * set_multi2_num_rounds() - Set the number of rounds for Multi2 in
+ * data_out_addr[15:0]
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @num: Number of rounds for Multi2
+ */
+static inline void set_multi2_num_rounds(struct cc_hw_desc *pdesc, u32 num)
+{
+	pdesc->word[2] = num;
+}
+
+/**
+ * set_flow_mode() - Set the flow mode.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @mode: Any one of the modes defined in [CC7x-DESC]
+ */
+static inline void set_flow_mode(struct cc_hw_desc *pdesc,
+				 enum cc_flow_mode mode)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_DATA_FLOW_MODE, mode);
+}
+
+/**
+ * set_cipher_mode() - Set the cipher mode.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @mode: Any one of the modes defined in [CC7x-DESC]
+ */
+static inline void set_cipher_mode(struct cc_hw_desc *pdesc, int mode)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_MODE, mode);
+}
+
+/**
+ * set_hash_cipher_mode() - Set the cipher mode for hash algorithms.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @cipher_mode: Any one of the modes defined in [CC7x-DESC]
+ * @hash_mode: specifies which hash is being handled
+ */
+static inline void set_hash_cipher_mode(struct cc_hw_desc *pdesc,
+					enum drv_cipher_mode cipher_mode,
+					enum drv_hash_mode hash_mode)
+{
+	set_cipher_mode(pdesc, cipher_mode);
+	if (hash_mode == DRV_HASH_SM3)
+		set_aes_xor_crypto_key(pdesc);
+}
+
+/**
+ * set_cipher_config0() - Set the cipher configuration fields.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @mode: Any one of the modes defined in [CC7x-DESC]
+ */
+static inline void set_cipher_config0(struct cc_hw_desc *pdesc, int mode)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF0, mode);
+}
+
+/**
+ * set_cipher_config1() - Set the cipher configuration fields.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @config: Padding mode
+ */
+static inline void set_cipher_config1(struct cc_hw_desc *pdesc,
+				      enum cc_hash_conf_pad config)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_CONF1, config);
+}
+
+/**
+ * set_hw_crypto_key() - Set HW key configuration fields.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @hw_key: The HW key slot asdefined in enum cc_hw_crypto_key
+ */
+static inline void set_hw_crypto_key(struct cc_hw_desc *pdesc,
+				     enum cc_hw_crypto_key hw_key)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
+				     (hw_key & HW_KEY_MASK_CIPHER_DO)) |
+			FIELD_PREP(WORD4_CIPHER_CONF2,
+				   (hw_key >> HW_KEY_SHIFT_CIPHER_CFG2));
+}
+
+/**
+ * set_bytes_swap() - Set byte order of all setup-finalize descriptors.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @config: True to enable byte swapping
+ */
+static inline void set_bytes_swap(struct cc_hw_desc *pdesc, bool config)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_BYTES_SWAP, config);
+}
+
+/**
+ * set_cmac_size0_mode() - Set CMAC_SIZE0 mode.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ */
+static inline void set_cmac_size0_mode(struct cc_hw_desc *pdesc)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CMAC_SIZE0, 1);
+}
+
+/**
+ * set_key_size() - Set key size descriptor field.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @size: Key size in bytes (NOT size code)
+ */
+static inline void set_key_size(struct cc_hw_desc *pdesc, u32 size)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_KEY_SIZE, size);
+}
+
+/**
+ * set_key_size_aes() - Set AES key size.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @size: Key size in bytes (NOT size code)
+ */
+static inline void set_key_size_aes(struct cc_hw_desc *pdesc, u32 size)
+{
+	set_key_size(pdesc, ((size >> 3) - 2));
+}
+
+/**
+ * set_key_size_des() - Set DES key size.
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @size: Key size in bytes (NOT size code)
+ */
+static inline void set_key_size_des(struct cc_hw_desc *pdesc, u32 size)
+{
+	set_key_size(pdesc, ((size >> 3) - 1));
+}
+
+/**
+ * set_setup_mode() - Set the descriptor setup mode
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @mode: Any one of the setup modes defined in [CC7x-DESC]
+ */
+static inline void set_setup_mode(struct cc_hw_desc *pdesc,
+				  enum cc_setup_op mode)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_SETUP_OPERATION, mode);
+}
+
+/**
+ * set_cipher_do() - Set the descriptor cipher DO
+ *
+ * @pdesc: Pointer to HW descriptor struct
+ * @config: Any one of the cipher do defined in [CC7x-DESC]
+ */
+static inline void set_cipher_do(struct cc_hw_desc *pdesc,
+				 enum cc_hash_cipher_pad config)
+{
+	pdesc->word[4] |= FIELD_PREP(WORD4_CIPHER_DO,
+				(config & HW_KEY_MASK_CIPHER_DO));
+}
+
+#endif /*__CC_HW_QUEUE_DEFS_H__*/
diff --git a/drivers/crypto/ccree/cc_kernel_regs.h b/drivers/crypto/ccree/cc_kernel_regs.h
new file mode 100644
index 000000000..582bae450
--- /dev/null
+++ b/drivers/crypto/ccree/cc_kernel_regs.h
@@ -0,0 +1,168 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef __CC_CRYS_KERNEL_H__
+#define __CC_CRYS_KERNEL_H__
+
+// --------------------------------------
+// BLOCK: DSCRPTR
+// --------------------------------------
+#define CC_DSCRPTR_COMPLETION_COUNTER_REG_OFFSET	0xE00UL
+#define CC_DSCRPTR_COMPLETION_COUNTER_COMPLETION_COUNTER_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_COMPLETION_COUNTER_COMPLETION_COUNTER_BIT_SIZE	0x6UL
+#define CC_DSCRPTR_COMPLETION_COUNTER_OVERFLOW_COUNTER_BIT_SHIFT	0x6UL
+#define CC_DSCRPTR_COMPLETION_COUNTER_OVERFLOW_COUNTER_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_SW_RESET_REG_OFFSET	0xE40UL
+#define CC_DSCRPTR_SW_RESET_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_SW_RESET_VALUE_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_REG_OFFSET	0xE60UL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_NUM_OF_DSCRPTR_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_NUM_OF_DSCRPTR_BIT_SIZE	0xAUL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_DSCRPTR_SRAM_SIZE_BIT_SHIFT	0xAUL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_DSCRPTR_SRAM_SIZE_BIT_SIZE	0xCUL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_SRAM_SIZE_BIT_SHIFT	0x16UL
+#define CC_DSCRPTR_QUEUE_SRAM_SIZE_SRAM_SIZE_BIT_SIZE	0x3UL
+#define CC_DSCRPTR_SINGLE_ADDR_EN_REG_OFFSET	0xE64UL
+#define CC_DSCRPTR_SINGLE_ADDR_EN_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_SINGLE_ADDR_EN_VALUE_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_MEASURE_CNTR_REG_OFFSET	0xE68UL
+#define CC_DSCRPTR_MEASURE_CNTR_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_MEASURE_CNTR_VALUE_BIT_SIZE	0x20UL
+#define CC_DSCRPTR_QUEUE_WORD0_REG_OFFSET	0xE80UL
+#define CC_DSCRPTR_QUEUE_WORD0_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD0_VALUE_BIT_SIZE	0x20UL
+#define CC_DSCRPTR_QUEUE_WORD1_REG_OFFSET	0xE84UL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_DMA_MODE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_DMA_MODE_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SHIFT	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE	0x18UL
+#define CC_DSCRPTR_QUEUE_WORD1_NS_BIT_BIT_SHIFT	0x1AUL
+#define CC_DSCRPTR_QUEUE_WORD1_NS_BIT_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_CONST_VALUE_BIT_SHIFT	0x1BUL
+#define CC_DSCRPTR_QUEUE_WORD1_DIN_CONST_VALUE_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD1_NOT_LAST_BIT_SHIFT	0x1CUL
+#define CC_DSCRPTR_QUEUE_WORD1_NOT_LAST_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD1_LOCK_QUEUE_BIT_SHIFT	0x1DUL
+#define CC_DSCRPTR_QUEUE_WORD1_LOCK_QUEUE_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD1_NOT_USED_BIT_SHIFT	0x1EUL
+#define CC_DSCRPTR_QUEUE_WORD1_NOT_USED_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD2_REG_OFFSET	0xE88UL
+#define CC_DSCRPTR_QUEUE_WORD2_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD2_VALUE_BIT_SIZE	0x20UL
+#define CC_DSCRPTR_QUEUE_WORD3_REG_OFFSET	0xE8CUL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_DMA_MODE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_DMA_MODE_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_SIZE_BIT_SHIFT	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_SIZE_BIT_SIZE	0x18UL
+#define CC_DSCRPTR_QUEUE_WORD3_NS_BIT_BIT_SHIFT	0x1AUL
+#define CC_DSCRPTR_QUEUE_WORD3_NS_BIT_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_LAST_IND_BIT_SHIFT	0x1BUL
+#define CC_DSCRPTR_QUEUE_WORD3_DOUT_LAST_IND_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD3_HASH_XOR_BIT_BIT_SHIFT	0x1DUL
+#define CC_DSCRPTR_QUEUE_WORD3_HASH_XOR_BIT_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD3_NOT_USED_BIT_SHIFT	0x1EUL
+#define CC_DSCRPTR_QUEUE_WORD3_NOT_USED_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD3_QUEUE_LAST_IND_BIT_SHIFT	0x1FUL
+#define CC_DSCRPTR_QUEUE_WORD3_QUEUE_LAST_IND_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_REG_OFFSET	0xE90UL
+#define CC_DSCRPTR_QUEUE_WORD4_DATA_FLOW_MODE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD4_DATA_FLOW_MODE_BIT_SIZE	0x6UL
+#define CC_DSCRPTR_QUEUE_WORD4_AES_SEL_N_HASH_BIT_SHIFT	0x6UL
+#define CC_DSCRPTR_QUEUE_WORD4_AES_SEL_N_HASH_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_AES_XOR_CRYPTO_KEY_BIT_SHIFT	0x7UL
+#define CC_DSCRPTR_QUEUE_WORD4_AES_XOR_CRYPTO_KEY_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_ACK_NEEDED_BIT_SHIFT	0x8UL
+#define CC_DSCRPTR_QUEUE_WORD4_ACK_NEEDED_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_MODE_BIT_SHIFT	0xAUL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_MODE_BIT_SIZE	0x4UL
+#define CC_DSCRPTR_QUEUE_WORD4_CMAC_SIZE0_BIT_SHIFT	0xEUL
+#define CC_DSCRPTR_QUEUE_WORD4_CMAC_SIZE0_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_DO_BIT_SHIFT	0xFUL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_DO_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF0_BIT_SHIFT	0x11UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF0_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF1_BIT_SHIFT	0x13UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF1_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF2_BIT_SHIFT	0x14UL
+#define CC_DSCRPTR_QUEUE_WORD4_CIPHER_CONF2_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD4_KEY_SIZE_BIT_SHIFT	0x16UL
+#define CC_DSCRPTR_QUEUE_WORD4_KEY_SIZE_BIT_SIZE	0x2UL
+#define CC_DSCRPTR_QUEUE_WORD4_SETUP_OPERATION_BIT_SHIFT	0x18UL
+#define CC_DSCRPTR_QUEUE_WORD4_SETUP_OPERATION_BIT_SIZE	0x4UL
+#define CC_DSCRPTR_QUEUE_WORD4_DIN_SRAM_ENDIANNESS_BIT_SHIFT	0x1CUL
+#define CC_DSCRPTR_QUEUE_WORD4_DIN_SRAM_ENDIANNESS_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_DOUT_SRAM_ENDIANNESS_BIT_SHIFT	0x1DUL
+#define CC_DSCRPTR_QUEUE_WORD4_DOUT_SRAM_ENDIANNESS_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_WORD_SWAP_BIT_SHIFT	0x1EUL
+#define CC_DSCRPTR_QUEUE_WORD4_WORD_SWAP_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD4_BYTES_SWAP_BIT_SHIFT	0x1FUL
+#define CC_DSCRPTR_QUEUE_WORD4_BYTES_SWAP_BIT_SIZE	0x1UL
+#define CC_DSCRPTR_QUEUE_WORD5_REG_OFFSET	0xE94UL
+#define CC_DSCRPTR_QUEUE_WORD5_DIN_ADDR_HIGH_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WORD5_DIN_ADDR_HIGH_BIT_SIZE	0x10UL
+#define CC_DSCRPTR_QUEUE_WORD5_DOUT_ADDR_HIGH_BIT_SHIFT	0x10UL
+#define CC_DSCRPTR_QUEUE_WORD5_DOUT_ADDR_HIGH_BIT_SIZE	0x10UL
+#define CC_DSCRPTR_QUEUE_WATERMARK_REG_OFFSET	0xE98UL
+#define CC_DSCRPTR_QUEUE_WATERMARK_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_WATERMARK_VALUE_BIT_SIZE	0xAUL
+#define CC_DSCRPTR_QUEUE_CONTENT_REG_OFFSET	0xE9CUL
+#define CC_DSCRPTR_QUEUE_CONTENT_VALUE_BIT_SHIFT	0x0UL
+#define CC_DSCRPTR_QUEUE_CONTENT_VALUE_BIT_SIZE	0xAUL
+// --------------------------------------
+// BLOCK: AXI_P
+// --------------------------------------
+#define CC_AXIM_MON_INFLIGHT_REG_OFFSET	0xB00UL
+#define CC_AXIM_MON_INFLIGHT_VALUE_BIT_SHIFT	0x0UL
+#define CC_AXIM_MON_INFLIGHT_VALUE_BIT_SIZE	0x8UL
+#define CC_AXIM_MON_INFLIGHTLAST_REG_OFFSET	0xB40UL
+#define CC_AXIM_MON_INFLIGHTLAST_VALUE_BIT_SHIFT	0x0UL
+#define CC_AXIM_MON_INFLIGHTLAST_VALUE_BIT_SIZE	0x8UL
+#define CC_AXIM_MON_COMP_REG_OFFSET	0xB80UL
+#define CC_AXIM_MON_COMP8_REG_OFFSET	0xBA0UL
+#define CC_AXIM_MON_COMP_VALUE_BIT_SHIFT	0x0UL
+#define CC_AXIM_MON_COMP_VALUE_BIT_SIZE	0x10UL
+#define CC_AXIM_MON_ERR_REG_OFFSET	0xBC4UL
+#define CC_AXIM_MON_ERR_BRESP_BIT_SHIFT	0x0UL
+#define CC_AXIM_MON_ERR_BRESP_BIT_SIZE	0x2UL
+#define CC_AXIM_MON_ERR_BID_BIT_SHIFT	0x2UL
+#define CC_AXIM_MON_ERR_BID_BIT_SIZE	0x4UL
+#define CC_AXIM_MON_ERR_RRESP_BIT_SHIFT	0x10UL
+#define CC_AXIM_MON_ERR_RRESP_BIT_SIZE	0x2UL
+#define CC_AXIM_MON_ERR_RID_BIT_SHIFT	0x12UL
+#define CC_AXIM_MON_ERR_RID_BIT_SIZE	0x4UL
+#define CC_AXIM_CFG_REG_OFFSET	0xBE8UL
+#define CC_AXIM_CFG_BRESPMASK_BIT_SHIFT	0x4UL
+#define CC_AXIM_CFG_BRESPMASK_BIT_SIZE	0x1UL
+#define CC_AXIM_CFG_RRESPMASK_BIT_SHIFT	0x5UL
+#define CC_AXIM_CFG_RRESPMASK_BIT_SIZE	0x1UL
+#define CC_AXIM_CFG_INFLTMASK_BIT_SHIFT	0x6UL
+#define CC_AXIM_CFG_INFLTMASK_BIT_SIZE	0x1UL
+#define CC_AXIM_CFG_COMPMASK_BIT_SHIFT	0x7UL
+#define CC_AXIM_CFG_COMPMASK_BIT_SIZE	0x1UL
+#define CC_AXIM_ACE_CONST_REG_OFFSET	0xBECUL
+#define CC_AXIM_ACE_CONST_ARDOMAIN_BIT_SHIFT	0x0UL
+#define CC_AXIM_ACE_CONST_ARDOMAIN_BIT_SIZE	0x2UL
+#define CC_AXIM_ACE_CONST_AWDOMAIN_BIT_SHIFT	0x2UL
+#define CC_AXIM_ACE_CONST_AWDOMAIN_BIT_SIZE	0x2UL
+#define CC_AXIM_ACE_CONST_ARBAR_BIT_SHIFT	0x4UL
+#define CC_AXIM_ACE_CONST_ARBAR_BIT_SIZE	0x2UL
+#define CC_AXIM_ACE_CONST_AWBAR_BIT_SHIFT	0x6UL
+#define CC_AXIM_ACE_CONST_AWBAR_BIT_SIZE	0x2UL
+#define CC_AXIM_ACE_CONST_ARSNOOP_BIT_SHIFT	0x8UL
+#define CC_AXIM_ACE_CONST_ARSNOOP_BIT_SIZE	0x4UL
+#define CC_AXIM_ACE_CONST_AWSNOOP_NOT_ALIGNED_BIT_SHIFT	0xCUL
+#define CC_AXIM_ACE_CONST_AWSNOOP_NOT_ALIGNED_BIT_SIZE	0x3UL
+#define CC_AXIM_ACE_CONST_AWSNOOP_ALIGNED_BIT_SHIFT	0xFUL
+#define CC_AXIM_ACE_CONST_AWSNOOP_ALIGNED_BIT_SIZE	0x3UL
+#define CC_AXIM_ACE_CONST_AWADDR_NOT_MASKED_BIT_SHIFT	0x12UL
+#define CC_AXIM_ACE_CONST_AWADDR_NOT_MASKED_BIT_SIZE	0x7UL
+#define CC_AXIM_ACE_CONST_AWLEN_VAL_BIT_SHIFT	0x19UL
+#define CC_AXIM_ACE_CONST_AWLEN_VAL_BIT_SIZE	0x4UL
+#define CC_AXIM_CACHE_PARAMS_REG_OFFSET	0xBF0UL
+#define CC_AXIM_CACHE_PARAMS_AWCACHE_LAST_BIT_SHIFT	0x0UL
+#define CC_AXIM_CACHE_PARAMS_AWCACHE_LAST_BIT_SIZE	0x4UL
+#define CC_AXIM_CACHE_PARAMS_AWCACHE_BIT_SHIFT	0x4UL
+#define CC_AXIM_CACHE_PARAMS_AWCACHE_BIT_SIZE	0x4UL
+#define CC_AXIM_CACHE_PARAMS_ARCACHE_BIT_SHIFT	0x8UL
+#define CC_AXIM_CACHE_PARAMS_ARCACHE_BIT_SIZE	0x4UL
+#endif	// __CC_CRYS_KERNEL_H__
diff --git a/drivers/crypto/ccree/cc_lli_defs.h b/drivers/crypto/ccree/cc_lli_defs.h
new file mode 100644
index 000000000..f891ab813
--- /dev/null
+++ b/drivers/crypto/ccree/cc_lli_defs.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef _CC_LLI_DEFS_H_
+#define _CC_LLI_DEFS_H_
+
+#include <linux/types.h>
+
+/* Max DLLI size
+ *  AKA CC_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE
+ */
+#define DLLI_SIZE_BIT_SIZE	0x18
+
+#define CC_MAX_MLLI_ENTRY_SIZE 0xFFFF
+
+#define LLI_MAX_NUM_OF_DATA_ENTRIES 128
+#define LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES 8
+#define MLLI_TABLE_MIN_ALIGNMENT 4 /* 32 bit alignment */
+#define MAX_NUM_OF_BUFFERS_IN_MLLI 4
+#define MAX_NUM_OF_TOTAL_MLLI_ENTRIES \
+		(2 * LLI_MAX_NUM_OF_DATA_ENTRIES + \
+		 LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES)
+
+/* Size of entry */
+#define LLI_ENTRY_WORD_SIZE 2
+#define LLI_ENTRY_BYTE_SIZE (LLI_ENTRY_WORD_SIZE * sizeof(u32))
+
+/* Word0[31:0] = ADDR[31:0] */
+#define LLI_WORD0_OFFSET 0
+#define LLI_LADDR_BIT_OFFSET 0
+#define LLI_LADDR_BIT_SIZE 32
+/* Word1[31:16] = ADDR[47:32]; Word1[15:0] = SIZE */
+#define LLI_WORD1_OFFSET 1
+#define LLI_SIZE_BIT_OFFSET 0
+#define LLI_SIZE_BIT_SIZE 16
+#define LLI_HADDR_BIT_OFFSET 16
+#define LLI_HADDR_BIT_SIZE 16
+
+#define LLI_SIZE_MASK GENMASK((LLI_SIZE_BIT_SIZE - 1), LLI_SIZE_BIT_OFFSET)
+#define LLI_HADDR_MASK GENMASK( \
+			       (LLI_HADDR_BIT_OFFSET + LLI_HADDR_BIT_SIZE - 1),\
+				LLI_HADDR_BIT_OFFSET)
+
+static inline void cc_lli_set_addr(u32 *lli_p, dma_addr_t addr)
+{
+	lli_p[LLI_WORD0_OFFSET] = (addr & U32_MAX);
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	lli_p[LLI_WORD1_OFFSET] &= ~LLI_HADDR_MASK;
+	lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 32));
+#endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */
+}
+
+static inline void cc_lli_set_size(u32 *lli_p, u16 size)
+{
+	lli_p[LLI_WORD1_OFFSET] &= ~LLI_SIZE_MASK;
+	lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_SIZE_MASK, size);
+}
+
+#endif /*_CC_LLI_DEFS_H_*/
diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c
new file mode 100644
index 000000000..6124fbbbe
--- /dev/null
+++ b/drivers/crypto/ccree/cc_pm.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/pm_runtime.h>
+#include "cc_driver.h"
+#include "cc_buffer_mgr.h"
+#include "cc_request_mgr.h"
+#include "cc_sram_mgr.h"
+#include "cc_hash.h"
+#include "cc_pm.h"
+#include "cc_fips.h"
+
+#define POWER_DOWN_ENABLE 0x01
+#define POWER_DOWN_DISABLE 0x00
+
+static int cc_pm_suspend(struct device *dev)
+{
+	struct cc_drvdata *drvdata = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "set HOST_POWER_DOWN_EN\n");
+	fini_cc_regs(drvdata);
+	cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE);
+	clk_disable_unprepare(drvdata->clk);
+	return 0;
+}
+
+static int cc_pm_resume(struct device *dev)
+{
+	int rc;
+	struct cc_drvdata *drvdata = dev_get_drvdata(dev);
+
+	dev_dbg(dev, "unset HOST_POWER_DOWN_EN\n");
+	/* Enables the device source clk */
+	rc = clk_prepare_enable(drvdata->clk);
+	if (rc) {
+		dev_err(dev, "failed getting clock back on. We're toast.\n");
+		return rc;
+	}
+	/* wait for Cryptocell reset completion */
+	if (!cc_wait_for_reset_completion(drvdata)) {
+		dev_err(dev, "Cryptocell reset not completed");
+		clk_disable_unprepare(drvdata->clk);
+		return -EBUSY;
+	}
+
+	cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE);
+	rc = init_cc_regs(drvdata);
+	if (rc) {
+		dev_err(dev, "init_cc_regs (%x)\n", rc);
+		clk_disable_unprepare(drvdata->clk);
+		return rc;
+	}
+	/* check if tee fips error occurred during power down */
+	cc_tee_handle_fips_error(drvdata);
+
+	cc_init_hash_sram(drvdata);
+
+	return 0;
+}
+
+const struct dev_pm_ops ccree_pm = {
+	SET_RUNTIME_PM_OPS(cc_pm_suspend, cc_pm_resume, NULL)
+};
+
+int cc_pm_get(struct device *dev)
+{
+	int rc = pm_runtime_get_sync(dev);
+	if (rc < 0) {
+		pm_runtime_put_noidle(dev);
+		return rc;
+	}
+
+	return 0;
+}
+
+void cc_pm_put_suspend(struct device *dev)
+{
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
+}
diff --git a/drivers/crypto/ccree/cc_pm.h b/drivers/crypto/ccree/cc_pm.h
new file mode 100644
index 000000000..50cac33de
--- /dev/null
+++ b/drivers/crypto/ccree/cc_pm.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_pm.h
+ */
+
+#ifndef __CC_POWER_MGR_H__
+#define __CC_POWER_MGR_H__
+
+#include "cc_driver.h"
+
+#define CC_SUSPEND_TIMEOUT 3000
+
+#if defined(CONFIG_PM)
+
+extern const struct dev_pm_ops ccree_pm;
+
+int cc_pm_get(struct device *dev);
+void cc_pm_put_suspend(struct device *dev);
+
+#else
+
+static inline int cc_pm_get(struct device *dev)
+{
+	return 0;
+}
+
+static inline void cc_pm_put_suspend(struct device *dev) {}
+
+#endif
+
+#endif /*__POWER_MGR_H__*/
diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
new file mode 100644
index 000000000..887162df5
--- /dev/null
+++ b/drivers/crypto/ccree/cc_request_mgr.c
@@ -0,0 +1,662 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include <linux/kernel.h>
+#include <linux/nospec.h>
+#include "cc_driver.h"
+#include "cc_buffer_mgr.h"
+#include "cc_request_mgr.h"
+#include "cc_pm.h"
+
+#define CC_MAX_POLL_ITER	10
+/* The highest descriptor count in used */
+#define CC_MAX_DESC_SEQ_LEN	23
+
+struct cc_req_mgr_handle {
+	/* Request manager resources */
+	unsigned int hw_queue_size; /* HW capability */
+	unsigned int min_free_hw_slots;
+	unsigned int max_used_sw_slots;
+	struct cc_crypto_req req_queue[MAX_REQUEST_QUEUE_SIZE];
+	u32 req_queue_head;
+	u32 req_queue_tail;
+	u32 axi_completed;
+	u32 q_free_slots;
+	/* This lock protects access to HW register
+	 * that must be single request at a time
+	 */
+	spinlock_t hw_lock;
+	struct cc_hw_desc compl_desc;
+	u8 *dummy_comp_buff;
+	dma_addr_t dummy_comp_buff_dma;
+
+	/* backlog queue */
+	struct list_head backlog;
+	unsigned int bl_len;
+	spinlock_t bl_lock; /* protect backlog queue */
+
+#ifdef COMP_IN_WQ
+	struct workqueue_struct *workq;
+	struct delayed_work compwork;
+#else
+	struct tasklet_struct comptask;
+#endif
+};
+
+struct cc_bl_item {
+	struct cc_crypto_req creq;
+	struct cc_hw_desc desc[CC_MAX_DESC_SEQ_LEN];
+	unsigned int len;
+	struct list_head list;
+	bool notif;
+};
+
+static const u32 cc_cpp_int_masks[CC_CPP_NUM_ALGS][CC_CPP_NUM_SLOTS] = {
+	{ BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_0_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_1_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_2_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_3_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_4_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_5_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_6_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_AES_7_INT_BIT_SHIFT) },
+	{ BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_0_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_1_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_2_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_3_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_4_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_5_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_6_INT_BIT_SHIFT),
+	  BIT(CC_HOST_IRR_REE_OP_ABORTED_SM_7_INT_BIT_SHIFT) }
+};
+
+static void comp_handler(unsigned long devarg);
+#ifdef COMP_IN_WQ
+static void comp_work_handler(struct work_struct *work);
+#endif
+
+static inline u32 cc_cpp_int_mask(enum cc_cpp_alg alg, int slot)
+{
+	alg = array_index_nospec(alg, CC_CPP_NUM_ALGS);
+	slot = array_index_nospec(slot, CC_CPP_NUM_SLOTS);
+
+	return cc_cpp_int_masks[alg][slot];
+}
+
+void cc_req_mgr_fini(struct cc_drvdata *drvdata)
+{
+	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	if (!req_mgr_h)
+		return; /* Not allocated */
+
+	if (req_mgr_h->dummy_comp_buff_dma) {
+		dma_free_coherent(dev, sizeof(u32), req_mgr_h->dummy_comp_buff,
+				  req_mgr_h->dummy_comp_buff_dma);
+	}
+
+	dev_dbg(dev, "max_used_hw_slots=%d\n", (req_mgr_h->hw_queue_size -
+						req_mgr_h->min_free_hw_slots));
+	dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);
+
+#ifdef COMP_IN_WQ
+	destroy_workqueue(req_mgr_h->workq);
+#else
+	/* Kill tasklet */
+	tasklet_kill(&req_mgr_h->comptask);
+#endif
+	kfree_sensitive(req_mgr_h);
+	drvdata->request_mgr_handle = NULL;
+}
+
+int cc_req_mgr_init(struct cc_drvdata *drvdata)
+{
+	struct cc_req_mgr_handle *req_mgr_h;
+	struct device *dev = drvdata_to_dev(drvdata);
+	int rc = 0;
+
+	req_mgr_h = kzalloc(sizeof(*req_mgr_h), GFP_KERNEL);
+	if (!req_mgr_h) {
+		rc = -ENOMEM;
+		goto req_mgr_init_err;
+	}
+
+	drvdata->request_mgr_handle = req_mgr_h;
+
+	spin_lock_init(&req_mgr_h->hw_lock);
+	spin_lock_init(&req_mgr_h->bl_lock);
+	INIT_LIST_HEAD(&req_mgr_h->backlog);
+
+#ifdef COMP_IN_WQ
+	dev_dbg(dev, "Initializing completion workqueue\n");
+	req_mgr_h->workq = create_singlethread_workqueue("ccree");
+	if (!req_mgr_h->workq) {
+		dev_err(dev, "Failed creating work queue\n");
+		rc = -ENOMEM;
+		goto req_mgr_init_err;
+	}
+	INIT_DELAYED_WORK(&req_mgr_h->compwork, comp_work_handler);
+#else
+	dev_dbg(dev, "Initializing completion tasklet\n");
+	tasklet_init(&req_mgr_h->comptask, comp_handler,
+		     (unsigned long)drvdata);
+#endif
+	req_mgr_h->hw_queue_size = cc_ioread(drvdata,
+					     CC_REG(DSCRPTR_QUEUE_SRAM_SIZE));
+	dev_dbg(dev, "hw_queue_size=0x%08X\n", req_mgr_h->hw_queue_size);
+	if (req_mgr_h->hw_queue_size < MIN_HW_QUEUE_SIZE) {
+		dev_err(dev, "Invalid HW queue size = %u (Min. required is %u)\n",
+			req_mgr_h->hw_queue_size, MIN_HW_QUEUE_SIZE);
+		rc = -ENOMEM;
+		goto req_mgr_init_err;
+	}
+	req_mgr_h->min_free_hw_slots = req_mgr_h->hw_queue_size;
+	req_mgr_h->max_used_sw_slots = 0;
+
+	/* Allocate DMA word for "dummy" completion descriptor use */
+	req_mgr_h->dummy_comp_buff =
+		dma_alloc_coherent(dev, sizeof(u32),
+				   &req_mgr_h->dummy_comp_buff_dma,
+				   GFP_KERNEL);
+	if (!req_mgr_h->dummy_comp_buff) {
+		dev_err(dev, "Not enough memory to allocate DMA (%zu) dropped buffer\n",
+			sizeof(u32));
+		rc = -ENOMEM;
+		goto req_mgr_init_err;
+	}
+
+	/* Init. "dummy" completion descriptor */
+	hw_desc_init(&req_mgr_h->compl_desc);
+	set_din_const(&req_mgr_h->compl_desc, 0, sizeof(u32));
+	set_dout_dlli(&req_mgr_h->compl_desc, req_mgr_h->dummy_comp_buff_dma,
+		      sizeof(u32), NS_BIT, 1);
+	set_flow_mode(&req_mgr_h->compl_desc, BYPASS);
+	set_queue_last_ind(drvdata, &req_mgr_h->compl_desc);
+
+	return 0;
+
+req_mgr_init_err:
+	cc_req_mgr_fini(drvdata);
+	return rc;
+}
+
+static void enqueue_seq(struct cc_drvdata *drvdata, struct cc_hw_desc seq[],
+			unsigned int seq_len)
+{
+	int i, w;
+	void __iomem *reg = drvdata->cc_base + CC_REG(DSCRPTR_QUEUE_WORD0);
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	/*
+	 * We do indeed write all 6 command words to the same
+	 * register. The HW supports this.
+	 */
+
+	for (i = 0; i < seq_len; i++) {
+		for (w = 0; w <= 5; w++)
+			writel_relaxed(seq[i].word[w], reg);
+
+		if (cc_dump_desc)
+			dev_dbg(dev, "desc[%02d]: 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n",
+				i, seq[i].word[0], seq[i].word[1],
+				seq[i].word[2], seq[i].word[3],
+				seq[i].word[4], seq[i].word[5]);
+	}
+}
+
+/**
+ * request_mgr_complete() - Completion will take place if and only if user
+ * requested completion by cc_send_sync_request().
+ *
+ * @dev: Device pointer
+ * @dx_compl_h: The completion event to signal
+ * @dummy: unused error code
+ */
+static void request_mgr_complete(struct device *dev, void *dx_compl_h,
+				 int dummy)
+{
+	struct completion *this_compl = dx_compl_h;
+
+	complete(this_compl);
+}
+
+static int cc_queues_status(struct cc_drvdata *drvdata,
+			    struct cc_req_mgr_handle *req_mgr_h,
+			    unsigned int total_seq_len)
+{
+	unsigned long poll_queue;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	/* SW queue is checked only once as it will not
+	 * be changed during the poll because the spinlock_bh
+	 * is held by the thread
+	 */
+	if (((req_mgr_h->req_queue_head + 1) & (MAX_REQUEST_QUEUE_SIZE - 1)) ==
+	    req_mgr_h->req_queue_tail) {
+		dev_err(dev, "SW FIFO is full. req_queue_head=%d sw_fifo_len=%d\n",
+			req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE);
+		return -ENOSPC;
+	}
+
+	if (req_mgr_h->q_free_slots >= total_seq_len)
+		return 0;
+
+	/* Wait for space in HW queue. Poll constant num of iterations. */
+	for (poll_queue = 0; poll_queue < CC_MAX_POLL_ITER ; poll_queue++) {
+		req_mgr_h->q_free_slots =
+			cc_ioread(drvdata, CC_REG(DSCRPTR_QUEUE_CONTENT));
+		if (req_mgr_h->q_free_slots < req_mgr_h->min_free_hw_slots)
+			req_mgr_h->min_free_hw_slots = req_mgr_h->q_free_slots;
+
+		if (req_mgr_h->q_free_slots >= total_seq_len) {
+			/* If there is enough place return */
+			return 0;
+		}
+
+		dev_dbg(dev, "HW FIFO is full. q_free_slots=%d total_seq_len=%d\n",
+			req_mgr_h->q_free_slots, total_seq_len);
+	}
+	/* No room in the HW queue try again later */
+	dev_dbg(dev, "HW FIFO full, timeout. req_queue_head=%d sw_fifo_len=%d q_free_slots=%d total_seq_len=%d\n",
+		req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE,
+		req_mgr_h->q_free_slots, total_seq_len);
+	return -ENOSPC;
+}
+
+/**
+ * cc_do_send_request() - Enqueue caller request to crypto hardware.
+ * Need to be called with HW lock held and PM running
+ *
+ * @drvdata: Associated device driver context
+ * @cc_req: The request to enqueue
+ * @desc: The crypto sequence
+ * @len: The crypto sequence length
+ * @add_comp: If "true": add an artificial dout DMA to mark completion
+ *
+ */
+static void cc_do_send_request(struct cc_drvdata *drvdata,
+			       struct cc_crypto_req *cc_req,
+			       struct cc_hw_desc *desc, unsigned int len,
+			       bool add_comp)
+{
+	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;
+	unsigned int used_sw_slots;
+	unsigned int total_seq_len = len; /*initial sequence length*/
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	used_sw_slots = ((req_mgr_h->req_queue_head -
+			  req_mgr_h->req_queue_tail) &
+			 (MAX_REQUEST_QUEUE_SIZE - 1));
+	if (used_sw_slots > req_mgr_h->max_used_sw_slots)
+		req_mgr_h->max_used_sw_slots = used_sw_slots;
+
+	/* Enqueue request - must be locked with HW lock*/
+	req_mgr_h->req_queue[req_mgr_h->req_queue_head] = *cc_req;
+	req_mgr_h->req_queue_head = (req_mgr_h->req_queue_head + 1) &
+				    (MAX_REQUEST_QUEUE_SIZE - 1);
+
+	dev_dbg(dev, "Enqueue request head=%u\n", req_mgr_h->req_queue_head);
+
+	/*
+	 * We are about to push command to the HW via the command registers
+	 * that may reference host memory. We need to issue a memory barrier
+	 * to make sure there are no outstanding memory writes
+	 */
+	wmb();
+
+	/* STAT_PHASE_4: Push sequence */
+
+	enqueue_seq(drvdata, desc, len);
+
+	if (add_comp) {
+		enqueue_seq(drvdata, &req_mgr_h->compl_desc, 1);
+		total_seq_len++;
+	}
+
+	if (req_mgr_h->q_free_slots < total_seq_len) {
+		/* This situation should never occur. Maybe indicating problem
+		 * with resuming power. Set the free slot count to 0 and hope
+		 * for the best.
+		 */
+		dev_err(dev, "HW free slot count mismatch.");
+		req_mgr_h->q_free_slots = 0;
+	} else {
+		/* Update the free slots in HW queue */
+		req_mgr_h->q_free_slots -= total_seq_len;
+	}
+}
+
+static void cc_enqueue_backlog(struct cc_drvdata *drvdata,
+			       struct cc_bl_item *bli)
+{
+	struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	spin_lock_bh(&mgr->bl_lock);
+	list_add_tail(&bli->list, &mgr->backlog);
+	++mgr->bl_len;
+	dev_dbg(dev, "+++bl len: %d\n", mgr->bl_len);
+	spin_unlock_bh(&mgr->bl_lock);
+	tasklet_schedule(&mgr->comptask);
+}
+
+static void cc_proc_backlog(struct cc_drvdata *drvdata)
+{
+	struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle;
+	struct cc_bl_item *bli;
+	struct cc_crypto_req *creq;
+	void *req;
+	struct device *dev = drvdata_to_dev(drvdata);
+	int rc;
+
+	spin_lock(&mgr->bl_lock);
+
+	while (mgr->bl_len) {
+		bli = list_first_entry(&mgr->backlog, struct cc_bl_item, list);
+		dev_dbg(dev, "---bl len: %d\n", mgr->bl_len);
+
+		spin_unlock(&mgr->bl_lock);
+
+
+		creq = &bli->creq;
+		req = creq->user_arg;
+
+		/*
+		 * Notify the request we're moving out of the backlog
+		 * but only if we haven't done so already.
+		 */
+		if (!bli->notif) {
+			creq->user_cb(dev, req, -EINPROGRESS);
+			bli->notif = true;
+		}
+
+		spin_lock(&mgr->hw_lock);
+
+		rc = cc_queues_status(drvdata, mgr, bli->len);
+		if (rc) {
+			/*
+			 * There is still no room in the FIFO for
+			 * this request. Bail out. We'll return here
+			 * on the next completion irq.
+			 */
+			spin_unlock(&mgr->hw_lock);
+			return;
+		}
+
+		cc_do_send_request(drvdata, &bli->creq, bli->desc, bli->len,
+				   false);
+		spin_unlock(&mgr->hw_lock);
+
+		/* Remove ourselves from the backlog list */
+		spin_lock(&mgr->bl_lock);
+		list_del(&bli->list);
+		--mgr->bl_len;
+		kfree(bli);
+	}
+
+	spin_unlock(&mgr->bl_lock);
+}
+
+int cc_send_request(struct cc_drvdata *drvdata, struct cc_crypto_req *cc_req,
+		    struct cc_hw_desc *desc, unsigned int len,
+		    struct crypto_async_request *req)
+{
+	int rc;
+	struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle;
+	struct device *dev = drvdata_to_dev(drvdata);
+	bool backlog_ok = req->flags & CRYPTO_TFM_REQ_MAY_BACKLOG;
+	gfp_t flags = cc_gfp_flags(req);
+	struct cc_bl_item *bli;
+
+	rc = cc_pm_get(dev);
+	if (rc) {
+		dev_err(dev, "cc_pm_get returned %x\n", rc);
+		return rc;
+	}
+
+	spin_lock_bh(&mgr->hw_lock);
+	rc = cc_queues_status(drvdata, mgr, len);
+
+#ifdef CC_DEBUG_FORCE_BACKLOG
+	if (backlog_ok)
+		rc = -ENOSPC;
+#endif /* CC_DEBUG_FORCE_BACKLOG */
+
+	if (rc == -ENOSPC && backlog_ok) {
+		spin_unlock_bh(&mgr->hw_lock);
+
+		bli = kmalloc(sizeof(*bli), flags);
+		if (!bli) {
+			cc_pm_put_suspend(dev);
+			return -ENOMEM;
+		}
+
+		memcpy(&bli->creq, cc_req, sizeof(*cc_req));
+		memcpy(&bli->desc, desc, len * sizeof(*desc));
+		bli->len = len;
+		bli->notif = false;
+		cc_enqueue_backlog(drvdata, bli);
+		return -EBUSY;
+	}
+
+	if (!rc) {
+		cc_do_send_request(drvdata, cc_req, desc, len, false);
+		rc = -EINPROGRESS;
+	}
+
+	spin_unlock_bh(&mgr->hw_lock);
+	return rc;
+}
+
+int cc_send_sync_request(struct cc_drvdata *drvdata,
+			 struct cc_crypto_req *cc_req, struct cc_hw_desc *desc,
+			 unsigned int len)
+{
+	int rc;
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct cc_req_mgr_handle *mgr = drvdata->request_mgr_handle;
+
+	init_completion(&cc_req->seq_compl);
+	cc_req->user_cb = request_mgr_complete;
+	cc_req->user_arg = &cc_req->seq_compl;
+
+	rc = cc_pm_get(dev);
+	if (rc) {
+		dev_err(dev, "cc_pm_get returned %x\n", rc);
+		return rc;
+	}
+
+	while (true) {
+		spin_lock_bh(&mgr->hw_lock);
+		rc = cc_queues_status(drvdata, mgr, len + 1);
+
+		if (!rc)
+			break;
+
+		spin_unlock_bh(&mgr->hw_lock);
+		wait_for_completion_interruptible(&drvdata->hw_queue_avail);
+		reinit_completion(&drvdata->hw_queue_avail);
+	}
+
+	cc_do_send_request(drvdata, cc_req, desc, len, true);
+	spin_unlock_bh(&mgr->hw_lock);
+	wait_for_completion(&cc_req->seq_compl);
+	return 0;
+}
+
+/**
+ * send_request_init() - Enqueue caller request to crypto hardware during init
+ * process.
+ * Assume this function is not called in the middle of a flow,
+ * since we set QUEUE_LAST_IND flag in the last descriptor.
+ *
+ * @drvdata: Associated device driver context
+ * @desc: The crypto sequence
+ * @len: The crypto sequence length
+ *
+ * Return:
+ * Returns "0" upon success
+ */
+int send_request_init(struct cc_drvdata *drvdata, struct cc_hw_desc *desc,
+		      unsigned int len)
+{
+	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;
+	unsigned int total_seq_len = len; /*initial sequence length*/
+	int rc = 0;
+
+	/* Wait for space in HW and SW FIFO. Poll for as much as FIFO_TIMEOUT.
+	 */
+	rc = cc_queues_status(drvdata, req_mgr_h, total_seq_len);
+	if (rc)
+		return rc;
+
+	set_queue_last_ind(drvdata, &desc[(len - 1)]);
+
+	/*
+	 * We are about to push command to the HW via the command registers
+	 * that may reference host memory. We need to issue a memory barrier
+	 * to make sure there are no outstanding memory writes
+	 */
+	wmb();
+	enqueue_seq(drvdata, desc, len);
+
+	/* Update the free slots in HW queue */
+	req_mgr_h->q_free_slots =
+		cc_ioread(drvdata, CC_REG(DSCRPTR_QUEUE_CONTENT));
+
+	return 0;
+}
+
+void complete_request(struct cc_drvdata *drvdata)
+{
+	struct cc_req_mgr_handle *request_mgr_handle =
+						drvdata->request_mgr_handle;
+
+	complete(&drvdata->hw_queue_avail);
+#ifdef COMP_IN_WQ
+	queue_delayed_work(request_mgr_handle->workq,
+			   &request_mgr_handle->compwork, 0);
+#else
+	tasklet_schedule(&request_mgr_handle->comptask);
+#endif
+}
+
+#ifdef COMP_IN_WQ
+static void comp_work_handler(struct work_struct *work)
+{
+	struct cc_drvdata *drvdata =
+		container_of(work, struct cc_drvdata, compwork.work);
+
+	comp_handler((unsigned long)drvdata);
+}
+#endif
+
+static void proc_completions(struct cc_drvdata *drvdata)
+{
+	struct cc_crypto_req *cc_req;
+	struct device *dev = drvdata_to_dev(drvdata);
+	struct cc_req_mgr_handle *request_mgr_handle =
+						drvdata->request_mgr_handle;
+	unsigned int *tail = &request_mgr_handle->req_queue_tail;
+	unsigned int *head = &request_mgr_handle->req_queue_head;
+	int rc;
+	u32 mask;
+
+	while (request_mgr_handle->axi_completed) {
+		request_mgr_handle->axi_completed--;
+
+		/* Dequeue request */
+		if (*head == *tail) {
+			/* We are supposed to handle a completion but our
+			 * queue is empty. This is not normal. Return and
+			 * hope for the best.
+			 */
+			dev_err(dev, "Request queue is empty head == tail %u\n",
+				*head);
+			break;
+		}
+
+		cc_req = &request_mgr_handle->req_queue[*tail];
+
+		if (cc_req->cpp.is_cpp) {
+
+			dev_dbg(dev, "CPP request completion slot: %d alg:%d\n",
+				cc_req->cpp.slot, cc_req->cpp.alg);
+			mask = cc_cpp_int_mask(cc_req->cpp.alg,
+					       cc_req->cpp.slot);
+			rc = (drvdata->irq & mask ? -EPERM : 0);
+			dev_dbg(dev, "Got mask: %x irq: %x rc: %d\n", mask,
+				drvdata->irq, rc);
+		} else {
+			dev_dbg(dev, "None CPP request completion\n");
+			rc = 0;
+		}
+
+		if (cc_req->user_cb)
+			cc_req->user_cb(dev, cc_req->user_arg, rc);
+		*tail = (*tail + 1) & (MAX_REQUEST_QUEUE_SIZE - 1);
+		dev_dbg(dev, "Dequeue request tail=%u\n", *tail);
+		dev_dbg(dev, "Request completed. axi_completed=%d\n",
+			request_mgr_handle->axi_completed);
+		cc_pm_put_suspend(dev);
+	}
+}
+
+static inline u32 cc_axi_comp_count(struct cc_drvdata *drvdata)
+{
+	return FIELD_GET(AXIM_MON_COMP_VALUE,
+			 cc_ioread(drvdata, drvdata->axim_mon_offset));
+}
+
+/* Deferred service handler, run as interrupt-fired tasklet */
+static void comp_handler(unsigned long devarg)
+{
+	struct cc_drvdata *drvdata = (struct cc_drvdata *)devarg;
+	struct cc_req_mgr_handle *request_mgr_handle =
+						drvdata->request_mgr_handle;
+	struct device *dev = drvdata_to_dev(drvdata);
+	u32 irq;
+
+	dev_dbg(dev, "Completion handler called!\n");
+	irq = (drvdata->irq & drvdata->comp_mask);
+
+	/* To avoid the interrupt from firing as we unmask it,
+	 * we clear it now
+	 */
+	cc_iowrite(drvdata, CC_REG(HOST_ICR), irq);
+
+	/* Avoid race with above clear: Test completion counter once more */
+
+	request_mgr_handle->axi_completed += cc_axi_comp_count(drvdata);
+
+	dev_dbg(dev, "AXI completion after updated: %d\n",
+		request_mgr_handle->axi_completed);
+
+	while (request_mgr_handle->axi_completed) {
+		do {
+			drvdata->irq |= cc_ioread(drvdata, CC_REG(HOST_IRR));
+			irq = (drvdata->irq & drvdata->comp_mask);
+			proc_completions(drvdata);
+
+			/* At this point (after proc_completions()),
+			 * request_mgr_handle->axi_completed is 0.
+			 */
+			request_mgr_handle->axi_completed +=
+						cc_axi_comp_count(drvdata);
+		} while (request_mgr_handle->axi_completed > 0);
+
+		cc_iowrite(drvdata, CC_REG(HOST_ICR), irq);
+
+		request_mgr_handle->axi_completed += cc_axi_comp_count(drvdata);
+	}
+
+	/* after verifying that there is nothing to do,
+	 * unmask AXI completion interrupt
+	 */
+	cc_iowrite(drvdata, CC_REG(HOST_IMR),
+		   cc_ioread(drvdata, CC_REG(HOST_IMR)) & ~drvdata->comp_mask);
+
+	cc_proc_backlog(drvdata);
+	dev_dbg(dev, "Comp. handler done.\n");
+}
diff --git a/drivers/crypto/ccree/cc_request_mgr.h b/drivers/crypto/ccree/cc_request_mgr.h
new file mode 100644
index 000000000..ae25ca843
--- /dev/null
+++ b/drivers/crypto/ccree/cc_request_mgr.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+/* \file cc_request_mgr.h
+ * Request Manager
+ */
+
+#ifndef __REQUEST_MGR_H__
+#define __REQUEST_MGR_H__
+
+#include "cc_hw_queue_defs.h"
+
+int cc_req_mgr_init(struct cc_drvdata *drvdata);
+
+/**
+ * cc_send_request() - Enqueue caller request to crypto hardware.
+ *
+ * @drvdata: Associated device driver context
+ * @cc_req: The request to enqueue
+ * @desc: The crypto sequence
+ * @len: The crypto sequence length
+ * @req: Asynchronous crypto request
+ *
+ * Return:
+ * Returns -EINPROGRESS or error
+ */
+int cc_send_request(struct cc_drvdata *drvdata, struct cc_crypto_req *cc_req,
+		    struct cc_hw_desc *desc, unsigned int len,
+		    struct crypto_async_request *req);
+
+int cc_send_sync_request(struct cc_drvdata *drvdata,
+			 struct cc_crypto_req *cc_req, struct cc_hw_desc *desc,
+			 unsigned int len);
+
+int send_request_init(struct cc_drvdata *drvdata, struct cc_hw_desc *desc,
+		      unsigned int len);
+
+void complete_request(struct cc_drvdata *drvdata);
+
+void cc_req_mgr_fini(struct cc_drvdata *drvdata);
+
+#endif /*__REQUEST_MGR_H__*/
diff --git a/drivers/crypto/ccree/cc_sram_mgr.c b/drivers/crypto/ccree/cc_sram_mgr.c
new file mode 100644
index 000000000..37a958563
--- /dev/null
+++ b/drivers/crypto/ccree/cc_sram_mgr.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#include "cc_driver.h"
+#include "cc_sram_mgr.h"
+
+/**
+ * cc_sram_mgr_init() - Initializes SRAM pool.
+ *      The pool starts right at the beginning of SRAM.
+ *      Returns zero for success, negative value otherwise.
+ *
+ * @drvdata: Associated device driver context
+ *
+ * Return:
+ * 0 for success, negative error code for failure.
+ */
+int cc_sram_mgr_init(struct cc_drvdata *drvdata)
+{
+	u32 start = 0;
+	struct device *dev = drvdata_to_dev(drvdata);
+
+	if (drvdata->hw_rev < CC_HW_REV_712) {
+		/* Pool starts after ROM bytes */
+		start = cc_ioread(drvdata, CC_REG(HOST_SEP_SRAM_THRESHOLD));
+		if ((start & 0x3) != 0) {
+			dev_err(dev, "Invalid SRAM offset 0x%x\n", start);
+			return -EINVAL;
+		}
+	}
+
+	drvdata->sram_free_offset = start;
+	return 0;
+}
+
+/**
+ * cc_sram_alloc() - Allocate buffer from SRAM pool.
+ *
+ * @drvdata: Associated device driver context
+ * @size: The requested numer of bytes to allocate
+ *
+ * Return:
+ * Address offset in SRAM or NULL_SRAM_ADDR for failure.
+ */
+u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size)
+{
+	struct device *dev = drvdata_to_dev(drvdata);
+	u32 p;
+
+	if ((size & 0x3)) {
+		dev_err(dev, "Requested buffer size (%u) is not multiple of 4",
+			size);
+		return NULL_SRAM_ADDR;
+	}
+	if (size > (CC_CC_SRAM_SIZE - drvdata->sram_free_offset)) {
+		dev_err(dev, "Not enough space to allocate %u B (at offset %u)\n",
+			size, drvdata->sram_free_offset);
+		return NULL_SRAM_ADDR;
+	}
+
+	p = drvdata->sram_free_offset;
+	drvdata->sram_free_offset += size;
+	dev_dbg(dev, "Allocated %u B @ %u\n", size, p);
+	return p;
+}
+
+/**
+ * cc_set_sram_desc() - Create const descriptors sequence to
+ *	set values in given array into SRAM.
+ * Note: each const value can't exceed word size.
+ *
+ * @src:	  A pointer to array of words to set as consts.
+ * @dst:	  The target SRAM buffer to set into
+ * @nelement:	  The number of words in "src" array
+ * @seq:	  A pointer to the given IN/OUT descriptor sequence
+ * @seq_len:	  A pointer to the given IN/OUT sequence length
+ */
+void cc_set_sram_desc(const u32 *src, u32 dst, unsigned int nelement,
+		      struct cc_hw_desc *seq, unsigned int *seq_len)
+{
+	u32 i;
+	unsigned int idx = *seq_len;
+
+	for (i = 0; i < nelement; i++, idx++) {
+		hw_desc_init(&seq[idx]);
+		set_din_const(&seq[idx], src[i], sizeof(u32));
+		set_dout_sram(&seq[idx], dst + (i * sizeof(u32)), sizeof(u32));
+		set_flow_mode(&seq[idx], BYPASS);
+	}
+
+	*seq_len = idx;
+}
diff --git a/drivers/crypto/ccree/cc_sram_mgr.h b/drivers/crypto/ccree/cc_sram_mgr.h
new file mode 100644
index 000000000..1c965ef83
--- /dev/null
+++ b/drivers/crypto/ccree/cc_sram_mgr.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
+
+#ifndef __CC_SRAM_MGR_H__
+#define __CC_SRAM_MGR_H__
+
+#ifndef CC_CC_SRAM_SIZE
+#define CC_CC_SRAM_SIZE 4096
+#endif
+
+struct cc_drvdata;
+
+#define NULL_SRAM_ADDR ((u32)-1)
+
+/**
+ * cc_sram_mgr_init() - Initializes SRAM pool.
+ * The first X bytes of SRAM are reserved for ROM usage, hence, pool
+ * starts right after X bytes.
+ *
+ * @drvdata: Associated device driver context
+ *
+ * Return:
+ * Zero for success, negative value otherwise.
+ */
+int cc_sram_mgr_init(struct cc_drvdata *drvdata);
+
+/**
+ * cc_sram_alloc() - Allocate buffer from SRAM pool.
+ *
+ * @drvdata: Associated device driver context
+ * @size: The requested bytes to allocate
+ *
+ * Return:
+ * Address offset in SRAM or NULL_SRAM_ADDR for failure.
+ */
+u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size);
+
+/**
+ * cc_set_sram_desc() - Create const descriptors sequence to
+ *	set values in given array into SRAM.
+ * Note: each const value can't exceed word size.
+ *
+ * @src:	  A pointer to array of words to set as consts.
+ * @dst:	  The target SRAM buffer to set into
+ * @nelement:	  The number of words in "src" array
+ * @seq:	  A pointer to the given IN/OUT descriptor sequence
+ * @seq_len:	  A pointer to the given IN/OUT sequence length
+ */
+void cc_set_sram_desc(const u32 *src, u32 dst, unsigned int nelement,
+		      struct cc_hw_desc *seq, unsigned int *seq_len);
+
+#endif /*__CC_SRAM_MGR_H__*/