projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 98cb0efd | 1 | /* |
| 2 | * Copyright 2015 Freescale Semiconductor, Inc. | |
| 3 | * | |
| 4 | * SPDX-License-Identifier: GPL-2.0+ | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef __CONFIG_FSL_SECBOOT_H | |
| 8 | #define __CONFIG_FSL_SECBOOT_H | |
| 9 | ||
| 10 | #ifdef CONFIG_SECURE_BOOT | |
| 11 | ||
| 12 | #ifndef CONFIG_CMD_ESBC_VALIDATE | |
| 13 | #define CONFIG_CMD_ESBC_VALIDATE | |
| 14 | #endif | |
| 15 | ||
| 16 | #ifndef CONFIG_EXTRA_ENV | |
| 17 | #define CONFIG_EXTRA_ENV "" | |
| 18 | #endif | |
| 19 | ||
| 20 | /* | |
| 21 | * Control should not reach back to uboot after validation of images | |
| 22 | * for secure boot flow and therefore bootscript should have | |
| 23 | * the bootm command. If control reaches back to uboot anyhow | |
| 24 | * after validating images, core should just spin. | |
| 25 | */ | |
| 26 | ||
| 27 | /* | |
| 28 | * Define the key hash for boot script here if public/private key pair used to | |
| 29 | * sign bootscript are different from the SRK hash put in the fuse | |
| 30 | * Example of defining KEY_HASH is | |
| 31 | * #define CONFIG_BOOTSCRIPT_KEY_HASH \ | |
| 32 | * "41066b564c6ffcef40ccbc1e0a5d0d519604000c785d97bbefd25e4d288d1c8b" | |
| 33 | */ | |
| 34 | ||
| 35 | #ifdef CONFIG_BOOTSCRIPT_KEY_HASH | |
| 36 | #define CONFIG_SECBOOT \ | |
| 37 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
| 38 | "setenv bootargs \'root=/dev/ram rw console=ttyS0,115200 " \ | |
| 39 | "ramdisk_size=600000\';" \ | |
| 40 | CONFIG_EXTRA_ENV \ | |
| 41 | "esbc_validate $bs_hdraddr " \ | |
| 42 | __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \ | |
| 43 | "source $img_addr;" \ | |
| 44 | "esbc_halt\0" | |
| 45 | #else | |
| 46 | #define CONFIG_SECBOOT \ | |
| 47 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
| 48 | "setenv bootargs \'root=/dev/ram rw console=ttyS0,115200 " \ | |
| 49 | "ramdisk_size=600000\';" \ | |
| 50 | CONFIG_EXTRA_ENV \ | |
| 51 | "esbc_validate $bs_hdraddr;" \ | |
| 52 | "source $img_addr;" \ | |
| 53 | "esbc_halt\0" | |
| 54 | #endif | |
| 55 | ||
| 56 | /* For secure boot flow, default environment used will be used */ | |
| 57 | #if defined(CONFIG_SYS_RAMBOOT) | |
| 5050f6f0 AB |
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_flash " __stringify(CONFIG_BS_HDR_ADDR_FLASH)";" \ | |
| 62 | "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \ | |
| 63 | "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \ | |
| 64 | "setenv bs_flash " __stringify(CONFIG_BS_ADDR_FLASH)";" \ | |
| 65 | "setenv bs_size " __stringify(CONFIG_BS_SIZE)";" | |
| 66 | ||
| 67 | #if defined(CONFIG_RAMBOOT_NAND) | |
| 68 | #define CONFIG_BS_COPY_CMD \ | |
| 69 | "nand read $bs_hdr_ram $bs_hdr_flash $bs_hdr_size ;" \ | |
| 70 | "nand read $bs_ram $bs_flash $bs_size ;" | |
| 71 | #endif /* CONFIG_RAMBOOT_NAND */ | |
| 72 | #endif /* CONFIG_BOOTSCRIPT_COPY_RAM */ | |
| 73 | ||
| 98cb0efd | 74 | #if defined(CONFIG_RAMBOOT_SPIFLASH) |
| 75 | #undef CONFIG_ENV_IS_IN_SPI_FLASH | |
| 76 | #elif defined(CONFIG_RAMBOOT_NAND) | |
| 77 | #undef CONFIG_ENV_IS_IN_NAND | |
| 78 | #elif defined(CONFIG_RAMBOOT_SDCARD) | |
| 79 | #undef CONFIG_ENV_IS_IN_MMC | |
| 80 | #endif | |
| 81 | #else /*CONFIG_SYS_RAMBOOT*/ | |
| 82 | #undef CONFIG_ENV_IS_IN_FLASH | |
| 83 | #endif | |
| 84 | ||
| 85 | #define CONFIG_ENV_IS_NOWHERE | |
| 86 | ||
| 5050f6f0 AB |
87 | #ifndef CONFIG_BS_COPY_ENV |
| 88 | #define CONFIG_BS_COPY_ENV | |
| 89 | #endif | |
| 90 | ||
| 91 | #ifndef CONFIG_BS_COPY_CMD | |
| 92 | #define CONFIG_BS_COPY_CMD | |
| 93 | #endif | |
| 94 | ||
| 95 | #define CONFIG_SECBOOT_CMD CONFIG_BS_COPY_ENV \ | |
| 96 | CONFIG_BS_COPY_CMD \ | |
| 97 | CONFIG_SECBOOT | |
| 98cb0efd | 98 | /* |
| 99 | * We don't want boot delay for secure boot flow | |
| 100 | * before autoboot starts | |
| 101 | */ | |
| 102 | #undef CONFIG_BOOTDELAY | |
| 103 | #define CONFIG_BOOTDELAY 0 | |
| 104 | #undef CONFIG_BOOTCOMMAND | |
| 5050f6f0 | 105 | #define CONFIG_BOOTCOMMAND CONFIG_SECBOOT_CMD |
| 98cb0efd | 106 | |
| 107 | /* | |
| 108 | * CONFIG_ZERO_BOOTDELAY_CHECK should not be defined for | |
| 109 | * secure boot flow as defining this would enable a user to | |
| 110 | * reach uboot prompt by pressing some key before start of | |
| 111 | * autoboot | |
| 112 | */ | |
| 113 | #undef CONFIG_ZERO_BOOTDELAY_CHECK | |
| 114 | ||
| 115 | #endif | |
| 116 | #endif |