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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 69d4b48c84b9c2b762066c5a68406a53e49ea2f3 / . / include / config_fsl_chain_trust.h
blob: eb45e9851f0d767dd2e5b8e3e11626ba4e665254 [file] [log] [blame]
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]1/*
2 * Copyright 2015 Freescale Semiconductor, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
Aneesh Bansalbdc22072016-01-22 16:37:24 +0530[diff] [blame]7#ifndef __CONFIG_FSL_CHAIN_TRUST_H
8#define __CONFIG_FSL_CHAIN_TRUST_H
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]9
Aneesh Bansalbdc22072016-01-22 16:37:24 +0530[diff] [blame]10/* For secure boot, since ENVIRONMENT in flash/external memories is
11 * not verified, undef CONFIG_ENV_xxx and set default env
12 * (CONFIG_ENV_IS_NOWHERE)
13 */
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]14#ifdef CONFIG_SECURE_BOOT
15
Aneesh Bansalbdc22072016-01-22 16:37:24 +0530[diff] [blame]16#undef CONFIG_ENV_IS_IN_EEPROM
17#undef CONFIG_ENV_IS_IN_NAND
18#undef CONFIG_ENV_IS_IN_MMC
19#undef CONFIG_ENV_IS_IN_SPI_FLASH
20#undef CONFIG_ENV_IS_IN_FLASH
21
22#define CONFIG_ENV_IS_NOWHERE
23
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]24#endif
25
Aneesh Bansalbdc22072016-01-22 16:37:24 +0530[diff] [blame]26#ifdef CONFIG_CHAIN_OF_TRUST
27
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]28#ifndef CONFIG_EXTRA_ENV
29#define CONFIG_EXTRA_ENV ""
30#endif
31
32/*
33 * Control should not reach back to uboot after validation of images
34 * for secure boot flow and therefore bootscript should have
35 * the bootm command. If control reaches back to uboot anyhow
36 * after validating images, core should just spin.
37 */
38
39/*
40 * Define the key hash for boot script here if public/private key pair used to
41 * sign bootscript are different from the SRK hash put in the fuse
42 * Example of defining KEY_HASH is
43 * #define CONFIG_BOOTSCRIPT_KEY_HASH \
44 * "41066b564c6ffcef40ccbc1e0a5d0d519604000c785d97bbefd25e4d288d1c8b"
45 */
46
Saksham Jain2bfe4892016-03-23 16:24:43 +0530[diff] [blame]47#ifdef CONFIG_BOOTARGS
48#define CONFIG_SET_BOOTARGS "setenv bootargs \'" CONFIG_BOOTARGS" \';"
49#else
50#define CONFIG_SET_BOOTARGS "setenv bootargs \'root=/dev/ram " \
51 "rw console=ttyS0,115200 ramdisk_size=600000\';"
52#endif
53
54
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]55#ifdef CONFIG_BOOTSCRIPT_KEY_HASH
56#define CONFIG_SECBOOT \
57 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
Saksham Jain2bfe4892016-03-23 16:24:43 +0530[diff] [blame]58 CONFIG_SET_BOOTARGS \
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]59 CONFIG_EXTRA_ENV \
60 "esbc_validate $bs_hdraddr " \
61 __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \
62 "source $img_addr;" \
63 "esbc_halt\0"
64#else
65#define CONFIG_SECBOOT \
66 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
Saksham Jain2bfe4892016-03-23 16:24:43 +0530[diff] [blame]67 CONFIG_SET_BOOTARGS \
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]68 CONFIG_EXTRA_ENV \
69 "esbc_validate $bs_hdraddr;" \
70 "source $img_addr;" \
71 "esbc_halt\0"
72#endif
73
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]74#ifdef CONFIG_BOOTSCRIPT_COPY_RAM
75#define CONFIG_BS_COPY_ENV \
76 "setenv bs_hdr_ram " __stringify(CONFIG_BS_HDR_ADDR_RAM)";" \
Sumit Garg69d4b482016-06-14 13:52:39 -0400[diff] [blame^]77 "setenv bs_hdr_device " __stringify(CONFIG_BS_HDR_ADDR_DEVICE)";" \
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]78 "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \
79 "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \
Sumit Garg69d4b482016-06-14 13:52:39 -0400[diff] [blame^]80 "setenv bs_device " __stringify(CONFIG_BS_ADDR_DEVICE)";" \
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]81 "setenv bs_size " __stringify(CONFIG_BS_SIZE)";"
82
Saksham Jain3f701cc2016-03-23 16:24:37 +0530[diff] [blame]83/* For secure boot flow, default environment used will be used */
84#if defined(CONFIG_SYS_RAMBOOT)
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]85#if defined(CONFIG_RAMBOOT_NAND)
86#define CONFIG_BS_COPY_CMD \
Sumit Garg69d4b482016-06-14 13:52:39 -0400[diff] [blame^]87 "nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
88 "nand read $bs_ram $bs_device $bs_size ;"
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]89#endif /* CONFIG_RAMBOOT_NAND */
Sumit Garg69d4b482016-06-14 13:52:39 -0400[diff] [blame^]90#elif defined(CONFIG_SD_BOOT)
Saksham Jain3f701cc2016-03-23 16:24:37 +0530[diff] [blame]91#define CONFIG_BS_COPY_CMD \
Sumit Garg69d4b482016-06-14 13:52:39 -0400[diff] [blame^]92 "mmc read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
93 "mmc read $bs_ram $bs_device $bs_size ;"
94#else /* CONFIG_SD_BOOT */
95#define CONFIG_BS_COPY_CMD \
96 "cp.b $bs_hdr_device $bs_hdr_ram $bs_hdr_size ;" \
97 "cp.b $bs_device $bs_ram $bs_size ;"
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]98#endif
Saksham Jain3f701cc2016-03-23 16:24:37 +0530[diff] [blame]99#endif /* CONFIG_BOOTSCRIPT_COPY_RAM */
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]100
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]101#ifndef CONFIG_BS_COPY_ENV
102#define CONFIG_BS_COPY_ENV
103#endif
104
105#ifndef CONFIG_BS_COPY_CMD
106#define CONFIG_BS_COPY_CMD
107#endif
108
Aneesh Bansalbdc22072016-01-22 16:37:24 +0530[diff] [blame]109#define CONFIG_CHAIN_BOOT_CMD CONFIG_BS_COPY_ENV \
Aneesh Bansal5050f6f2015-06-16 10:36:43 +0530[diff] [blame]110 CONFIG_BS_COPY_CMD \
111 CONFIG_SECBOOT
gaurav rana98cb0ef2015-03-10 14:08:50 +0530[diff] [blame]112
113#endif
114#endif