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git01.mediatek.com / filogic / uboot / 850e3f7fc4a12222f2b94c9bf31c79a6f219983b / . / include / config_fsl_chain_trust.h
blob: 45dda56bc38aafe19c51d4491c6dfe2c6cb99f51 [file] [log] [blame]
gaurav ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]1/*
2 * Copyright 2015 Freescale Semiconductor, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
Aneesh Bansal43104702016-01-22 16:37:24 +0530[diff] [blame]7#ifndef __CONFIG_FSL_CHAIN_TRUST_H
8#define __CONFIG_FSL_CHAIN_TRUST_H
gaurav ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]9
Aneesh Bansal43104702016-01-22 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 ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]14#ifdef CONFIG_SECURE_BOOT
15
Aneesh Bansal43104702016-01-22 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 ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]24#endif
25
Aneesh Bansal43104702016-01-22 16:37:24 +0530[diff] [blame]26#ifdef CONFIG_CHAIN_OF_TRUST
27
gaurav ranaf79323c2015-03-10 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
47#ifdef CONFIG_BOOTSCRIPT_KEY_HASH
48#define CONFIG_SECBOOT \
49 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
50 "setenv bootargs \'root=/dev/ram rw console=ttyS0,115200 " \
51 "ramdisk_size=600000\';" \
52 CONFIG_EXTRA_ENV \
53 "esbc_validate $bs_hdraddr " \
54 __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \
55 "source $img_addr;" \
56 "esbc_halt\0"
57#else
58#define CONFIG_SECBOOT \
59 "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
60 "setenv bootargs \'root=/dev/ram rw console=ttyS0,115200 " \
61 "ramdisk_size=600000\';" \
62 CONFIG_EXTRA_ENV \
63 "esbc_validate $bs_hdraddr;" \
64 "source $img_addr;" \
65 "esbc_halt\0"
66#endif
67
68/* For secure boot flow, default environment used will be used */
69#if defined(CONFIG_SYS_RAMBOOT)
Aneesh Bansalb69061d2015-06-16 10:36:43 +0530[diff] [blame]70#ifdef CONFIG_BOOTSCRIPT_COPY_RAM
71#define CONFIG_BS_COPY_ENV \
72 "setenv bs_hdr_ram " __stringify(CONFIG_BS_HDR_ADDR_RAM)";" \
73 "setenv bs_hdr_flash " __stringify(CONFIG_BS_HDR_ADDR_FLASH)";" \
74 "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \
75 "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \
76 "setenv bs_flash " __stringify(CONFIG_BS_ADDR_FLASH)";" \
77 "setenv bs_size " __stringify(CONFIG_BS_SIZE)";"
78
79#if defined(CONFIG_RAMBOOT_NAND)
80#define CONFIG_BS_COPY_CMD \
81 "nand read $bs_hdr_ram $bs_hdr_flash $bs_hdr_size ;" \
82 "nand read $bs_ram $bs_flash $bs_size ;"
83#endif /* CONFIG_RAMBOOT_NAND */
84#endif /* CONFIG_BOOTSCRIPT_COPY_RAM */
85
gaurav ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]86#endif
87
Aneesh Bansalb69061d2015-06-16 10:36:43 +0530[diff] [blame]88#ifndef CONFIG_BS_COPY_ENV
89#define CONFIG_BS_COPY_ENV
90#endif
91
92#ifndef CONFIG_BS_COPY_CMD
93#define CONFIG_BS_COPY_CMD
94#endif
95
Aneesh Bansal43104702016-01-22 16:37:24 +0530[diff] [blame]96#define CONFIG_CHAIN_BOOT_CMD CONFIG_BS_COPY_ENV \
Aneesh Bansalb69061d2015-06-16 10:36:43 +0530[diff] [blame]97 CONFIG_BS_COPY_CMD \
98 CONFIG_SECBOOT
gaurav ranaf79323c2015-03-10 14:08:50 +0530[diff] [blame]99
100#endif
101#endif