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1be82afa80
Use proper project name in comments, Kconfig, readmes. Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/0dbdf0432405c1c38ffca55703b6737a48219e79.1684307818.git.michal.simek@amd.com
291 lines
6.4 KiB
C
291 lines
6.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2015 Freescale Semiconductor, Inc.
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*/
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#ifndef _FSL_VALIDATE_H_
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#define _FSL_VALIDATE_H_
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#include <fsl_sec.h>
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#include <fsl_sec_mon.h>
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#include <linux/types.h>
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struct cmd_tbl;
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#define WORD_SIZE 4
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/* Minimum and maximum size of RSA signature length in bits */
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#define KEY_SIZE 4096
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#define KEY_SIZE_BYTES (KEY_SIZE/8)
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#define KEY_SIZE_WORDS (KEY_SIZE_BYTES/(WORD_SIZE))
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extern struct jobring jr;
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/* Barker code size in bytes */
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#define ESBC_BARKER_LEN 4 /* barker code length in ESBC uboot client */
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/* header */
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/* No-error return values */
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#define ESBC_VALID_HDR 0 /* header is valid */
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/* Maximum number of SG entries allowed */
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#define MAX_SG_ENTRIES 8
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/* Different Header Struct for LS-CH3 */
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#ifdef CONFIG_ESBC_HDR_LS
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struct fsl_secboot_img_hdr {
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u8 barker[ESBC_BARKER_LEN]; /* barker code */
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u32 srk_tbl_off;
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struct {
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u8 num_srk;
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u8 srk_sel;
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u8 reserve;
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} len_kr;
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u8 ie_flag;
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u32 uid_flag;
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u32 psign; /* signature offset */
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u32 sign_len; /* length of the signature in bytes */
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u64 pimg64; /* 64 bit pointer to ESBC Image */
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u32 img_size; /* ESBC client image size in bytes */
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u32 ie_key_sel;
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u32 fsl_uid_0;
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u32 fsl_uid_1;
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u32 oem_uid_0;
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u32 oem_uid_1;
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u32 oem_uid_2;
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u32 oem_uid_3;
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u32 oem_uid_4;
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u32 reserved1[3];
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};
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#ifdef CONFIG_KEY_REVOCATION
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/* Srk table and key revocation check */
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#define UNREVOCABLE_KEY 8
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#define ALIGN_REVOC_KEY 7
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#define MAX_KEY_ENTRIES 8
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#endif
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#if defined(CONFIG_FSL_ISBC_KEY_EXT)
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#define IE_FLAG_MASK 0x1
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#define SCRATCH_IE_LOW_ADR 13
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#define SCRATCH_IE_HIGH_ADR 14
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#endif
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#else /* CONFIG_ESBC_HDR_LS */
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/*
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* ESBC uboot client header structure.
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* The struct contain the following fields
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* barker code
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* public key offset
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* pub key length
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* signature offset
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* length of the signature
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* ptr to SG table
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* no of entries in SG table
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* esbc ptr
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* size of esbc
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* esbc entry point
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* Scatter gather flag
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* UID flag
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* FSL UID
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* OEM UID
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* Here, pub key is modulus concatenated with exponent
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* of equal length
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*/
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struct fsl_secboot_img_hdr {
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u8 barker[ESBC_BARKER_LEN]; /* barker code */
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union {
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u32 pkey; /* public key offset */
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#ifdef CONFIG_KEY_REVOCATION
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u32 srk_tbl_off;
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#endif
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};
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union {
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u32 key_len; /* pub key length in bytes */
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#ifdef CONFIG_KEY_REVOCATION
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struct {
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u32 srk_table_flag:8;
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u32 srk_sel:8;
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u32 num_srk:16;
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} len_kr;
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#endif
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};
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u32 psign; /* signature offset */
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u32 sign_len; /* length of the signature in bytes */
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union {
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u32 psgtable; /* ptr to SG table */
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#ifndef CONFIG_ESBC_ADDR_64BIT
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u32 pimg; /* ptr to ESBC client image */
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#endif
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};
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union {
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u32 sg_entries; /* no of entries in SG table */
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u32 img_size; /* ESBC client image size in bytes */
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};
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u32 img_start; /* ESBC client entry point */
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u32 sg_flag; /* Scatter gather flag */
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u32 uid_flag;
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u32 fsl_uid_0;
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u32 oem_uid_0;
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u32 reserved1[2];
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u32 fsl_uid_1;
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u32 oem_uid_1;
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union {
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u32 reserved2[2];
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#ifdef CONFIG_ESBC_ADDR_64BIT
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u64 pimg64; /* 64 bit pointer to ESBC Image */
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#endif
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};
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u32 ie_flag;
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u32 ie_key_sel;
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};
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#ifdef CONFIG_KEY_REVOCATION
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/* Srk table and key revocation check */
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#define SRK_FLAG 0x01
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#define UNREVOCABLE_KEY 4
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#define ALIGN_REVOC_KEY 3
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#define MAX_KEY_ENTRIES 4
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#endif
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#if defined(CONFIG_FSL_ISBC_KEY_EXT)
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#define IE_FLAG_MASK 0xFFFFFFFF
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#endif
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#endif /* CONFIG_ESBC_HDR_LS */
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#if defined(CONFIG_FSL_ISBC_KEY_EXT)
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struct ie_key_table {
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u32 key_len;
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u8 pkey[2 * KEY_SIZE_BYTES];
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};
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struct ie_key_info {
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uint32_t key_revok;
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uint32_t num_keys;
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struct ie_key_table ie_key_tbl[32];
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};
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#endif
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#ifdef CONFIG_KEY_REVOCATION
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struct srk_table {
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u32 key_len;
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u8 pkey[2 * KEY_SIZE_BYTES];
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};
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#endif
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/*
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* SG table.
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*/
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#if defined(CONFIG_FSL_TRUST_ARCH_v1) && defined(CONFIG_FSL_CORENET)
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/*
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* This struct contains the following fields
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* length of the segment
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* source address
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*/
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struct fsl_secboot_sg_table {
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u32 len; /* length of the segment in bytes */
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u32 src_addr; /* ptr to the data segment */
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};
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#else
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/*
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* This struct contains the following fields
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* length of the segment
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* Destination Target ID
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* source address
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* destination address
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*/
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struct fsl_secboot_sg_table {
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u32 len;
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u32 trgt_id;
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u32 src_addr;
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u32 dst_addr;
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};
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#endif
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/* ESBC global structure.
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* Data to be used across verification of different images.
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* Stores following Data:
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* IE Table
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*/
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struct fsl_secboot_glb {
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#if defined(CONFIG_FSL_ISBC_KEY_EXT)
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uintptr_t ie_addr;
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struct ie_key_info ie_tbl;
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#endif
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};
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/*
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* ESBC private structure.
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* Private structure used by ESBC to store following fields
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* ESBC client key
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* ESBC client key hash
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* ESBC client Signature
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* Encoded hash recovered from signature
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* Encoded hash of ESBC client header plus ESBC client image
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*/
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struct fsl_secboot_img_priv {
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uint32_t hdr_location;
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uintptr_t ie_addr;
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u32 key_len;
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struct fsl_secboot_img_hdr hdr;
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u8 img_key[2 * KEY_SIZE_BYTES]; /* ESBC client key */
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u8 img_key_hash[32]; /* ESBC client key hash */
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#ifdef CONFIG_KEY_REVOCATION
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struct srk_table srk_tbl[MAX_KEY_ENTRIES];
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#endif
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u8 img_sign[KEY_SIZE_BYTES]; /* ESBC client signature */
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u8 img_encoded_hash[KEY_SIZE_BYTES]; /* EM wrt RSA PKCSv1.5 */
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/* Includes hash recovered after
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* signature verification
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*/
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u8 img_encoded_hash_second[KEY_SIZE_BYTES];/* EM' wrt RSA PKCSv1.5 */
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/* Includes hash of
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* ESBC client header plus
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* ESBC client image
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*/
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struct fsl_secboot_sg_table sgtbl[MAX_SG_ENTRIES]; /* SG table */
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uintptr_t ehdrloc; /* ESBC Header location */
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uintptr_t *img_addr_ptr; /* ESBC Image Location */
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uint32_t img_size; /* ESBC Image Size */
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};
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int do_esbc_halt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
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int fsl_secboot_validate(uintptr_t haddr, char *arg_hash_str,
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uintptr_t *img_addr_ptr);
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int fsl_secboot_blob_encap(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[]);
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int fsl_secboot_blob_decap(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[]);
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int fsl_check_boot_mode_secure(void);
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int fsl_setenv_chain_of_trust(void);
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/*
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* This function is used to validate the main U-Boot binary from
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* SPL just before passing control to it using QorIQ Trust
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* Architecture header (appended to U-Boot image).
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*/
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void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr);
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/*
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* This header is appended at end of image and copied to DDR along
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* with the U-Boot image and later used as part of the validation
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* flow
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*/
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#define FSL_U_BOOT_HDR_SIZE (16 << 10)
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#endif
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