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