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-rw-r--r--include/drivers/nxp/auth/csf_hdr_parser/csf_hdr.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/include/drivers/nxp/auth/csf_hdr_parser/csf_hdr.h b/include/drivers/nxp/auth/csf_hdr_parser/csf_hdr.h
new file mode 100644
index 0000000..ae56d3b
--- /dev/null
+++ b/include/drivers/nxp/auth/csf_hdr_parser/csf_hdr.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2017-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef CSF_HDR_H
+#define CSF_HDR_H
+
+#include "caam.h"
+#include "hash.h"
+#include "rsa.h"
+
+/* Barker code size in bytes */
+#define CSF_BARKER_LEN 4 /* barker code length in ESBC uboot client */
+ /* header */
+
+#ifdef CSF_HDR_CH3
+struct csf_hdr {
+ uint8_t barker[CSF_BARKER_LEN]; /* 0x00 Barker code */
+ uint32_t srk_tbl_off; /* 0x04 SRK Table Offset */
+
+ struct {
+ uint8_t num_srk; /* 0x08 No. of keys */
+ uint8_t srk_sel; /* Key no. to be used */
+ uint8_t reserve; /* 0x0a rseerved */
+ } len_kr;
+ uint8_t ie_flag;
+
+ uint32_t uid_flag;
+
+ uint32_t psign; /* 0x10 signature offset */
+ uint32_t sign_len; /* 0x14 length of signature */
+
+ union {
+ struct {
+ uint32_t sg_table_offset; /* 0x18 SG Table Offset */
+ uint32_t sg_entries; /* 0x1c no of entries in SG */
+ } sg_isbc;
+ uint64_t img_addr; /* 64 bit pointer to ESBC Image */
+ };
+
+ union {
+ struct {
+ uint32_t img_size; /* ESBC client img size in bytes */
+ uint32_t ie_key_sel;
+ } img;
+ uint64_t entry_point; /* 0x20-0x24 ESBC entry point */
+ };
+
+ uint32_t fsl_uid_0; /* 0x28 Freescale unique id 0 */
+ uint32_t fsl_uid_1; /* 0x2c Freescale unique id 1 */
+ uint32_t oem_uid_0; /* 0x30 OEM unique id 0 */
+ uint32_t oem_uid_1; /* 0x34 OEM unique id 1 */
+ uint32_t oem_uid_2; /* 0x38 OEM unique id 2 */
+ uint32_t oem_uid_3; /* 0x3c OEM unique id 3 */
+ uint32_t oem_uid_4; /* 0x40 OEM unique id 4 */
+
+ uint32_t reserved[3]; /* 0x44 - 0x4f */
+};
+
+/* Srk table and key revocation check */
+#define UNREVOCABLE_KEY 8
+#define REVOC_KEY_ALIGN 7
+#define MAX_KEY_ENTRIES 8
+
+#else
+
+/* CSF header for Chassis 2 */
+struct csf_hdr {
+ uint8_t barker[CSF_BARKER_LEN]; /* barker code */
+ union {
+ uint32_t pkey; /* public key offset */
+ uint32_t srk_tbl_off;
+ };
+
+ union {
+ uint32_t key_len; /* pub key length in bytes */
+ struct {
+ uint32_t srk_table_flag:8;
+ uint32_t srk_sel:8;
+ uint32_t num_srk:16;
+ } len_kr;
+ };
+
+ uint32_t psign; /* signature offset */
+ uint32_t sign_len; /* length of the signature in bytes */
+
+ /* SG Table used by ISBC header */
+ union {
+ struct {
+ uint32_t sg_table_offset; /* 0x14 SG Table Offset */
+ uint32_t sg_entries; /* no of entries in SG table */
+ } sg_isbc;
+ struct {
+ uint32_t reserved1; /* Reserved field */
+ uint32_t img_size; /* ESBC img size in bytes */
+ } img;
+ };
+
+ uint32_t entry_point; /* ESBC client entry point */
+ uint32_t reserved2; /* Scatter gather flag */
+ uint32_t uid_flag;
+ uint32_t fsl_uid_0;
+ uint32_t oem_uid_0;
+ uint32_t reserved3[2];
+ uint32_t fsl_uid_1;
+ uint32_t oem_uid_1;
+
+ /* The entries below aren't present in ISBC header */
+ uint64_t img_addr; /* 64 bit pointer to ESBC Image */
+ uint32_t ie_flag;
+ uint32_t ie_key_sel;
+};
+
+/* Srk table and key revocation check */
+#define UNREVOCABLE_KEY 4
+#define REVOC_KEY_ALIGN 3
+#define MAX_KEY_ENTRIES 4
+
+#endif
+
+struct srk_table {
+ uint32_t key_len;
+ uint8_t pkey[2 * RSA_4K_KEY_SZ_BYTES];
+};
+
+/*
+ * This struct contains the following fields
+ * length of the segment
+ * Destination Target ID
+ * source address
+ * destination address
+ */
+struct sg_table {
+ uint32_t len; /* Length of Image */
+ uint32_t res1;
+ union {
+ uint64_t src_addr; /* SRC Address of Image */
+ struct {
+ uint32_t src_addr;
+ uint32_t dst_addr;
+ } img;
+ };
+};
+
+int validate_esbc_header(void *img_hdr, void **img_key, uint32_t *key_len,
+ void **img_sign, uint32_t *sign_len,
+ enum sig_alg *algo);
+
+int calc_img_hash(struct csf_hdr *hdr, void *img_addr, uint32_t img_size,
+ uint8_t *img_hash, uint32_t *hash_len);
+
+#endif