2 * Copyright 2015 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
7 #ifndef __CONFIG_FSL_CHAIN_TRUST_H
8 #define __CONFIG_FSL_CHAIN_TRUST_H
10 #ifdef CONFIG_CHAIN_OF_TRUST
12 #ifndef CONFIG_EXTRA_ENV
13 #define CONFIG_EXTRA_ENV ""
17 * Control should not reach back to uboot after validation of images
18 * for secure boot flow and therefore bootscript should have
19 * the bootm command. If control reaches back to uboot anyhow
20 * after validating images, core should just spin.
24 * Define the key hash for boot script here if public/private key pair used to
25 * sign bootscript are different from the SRK hash put in the fuse
26 * Example of defining KEY_HASH is
27 * #define CONFIG_BOOTSCRIPT_KEY_HASH \
28 * "41066b564c6ffcef40ccbc1e0a5d0d519604000c785d97bbefd25e4d288d1c8b"
31 #ifdef CONFIG_USE_BOOTARGS
32 #define CONFIG_SET_BOOTARGS "setenv bootargs \'" CONFIG_BOOTARGS" \';"
34 #define CONFIG_SET_BOOTARGS "setenv bootargs \'root=/dev/ram " \
35 "rw console=ttyS0,115200 ramdisk_size=600000\';"
39 #ifdef CONFIG_BOOTSCRIPT_KEY_HASH
40 #define CONFIG_SECBOOT \
41 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
44 "esbc_validate $bs_hdraddr " \
45 __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \
49 #define CONFIG_SECBOOT \
50 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
53 "esbc_validate $bs_hdraddr;" \
58 #ifdef CONFIG_BOOTSCRIPT_COPY_RAM
59 #define CONFIG_BS_COPY_ENV \
60 "setenv bs_hdr_ram " __stringify(CONFIG_BS_HDR_ADDR_RAM)";" \
61 "setenv bs_hdr_device " __stringify(CONFIG_BS_HDR_ADDR_DEVICE)";" \
62 "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \
63 "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \
64 "setenv bs_device " __stringify(CONFIG_BS_ADDR_DEVICE)";" \
65 "setenv bs_size " __stringify(CONFIG_BS_SIZE)";"
67 /* For secure boot flow, default environment used will be used */
68 #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_NAND_BOOT) || \
69 defined(CONFIG_SD_BOOT)
70 #if defined(CONFIG_RAMBOOT_NAND) || defined(CONFIG_NAND_BOOT)
71 #define CONFIG_BS_COPY_CMD \
72 "nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
73 "nand read $bs_ram $bs_device $bs_size ;"
74 #elif defined(CONFIG_SD_BOOT)
75 #define CONFIG_BS_COPY_CMD \
76 "mmc read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
77 "mmc read $bs_ram $bs_device $bs_size ;"
80 #define CONFIG_BS_COPY_CMD \
81 "cp.b $bs_hdr_device $bs_hdr_ram $bs_hdr_size ;" \
82 "cp.b $bs_device $bs_ram $bs_size ;"
84 #endif /* CONFIG_BOOTSCRIPT_COPY_RAM */
86 #ifndef CONFIG_BS_COPY_ENV
87 #define CONFIG_BS_COPY_ENV
90 #ifndef CONFIG_BS_COPY_CMD
91 #define CONFIG_BS_COPY_CMD
94 #define CONFIG_CHAIN_BOOT_CMD CONFIG_BS_COPY_ENV \