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Commit | Line | Data |
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98cb0efd | 1 | /* |
2 | * Copyright 2015 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
bdc22074 AB |
7 | #ifndef __CONFIG_FSL_CHAIN_TRUST_H |
8 | #define __CONFIG_FSL_CHAIN_TRUST_H | |
98cb0efd | 9 | |
bdc22074 AB |
10 | #ifdef CONFIG_CHAIN_OF_TRUST |
11 | ||
98cb0efd | 12 | #ifndef CONFIG_EXTRA_ENV |
13 | #define CONFIG_EXTRA_ENV "" | |
14 | #endif | |
15 | ||
16 | /* | |
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. | |
21 | */ | |
22 | ||
23 | /* | |
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" | |
29 | */ | |
30 | ||
5abc1a45 | 31 | #ifdef CONFIG_USE_BOOTARGS |
2bfe4890 SJ |
32 | #define CONFIG_SET_BOOTARGS "setenv bootargs \'" CONFIG_BOOTARGS" \';" |
33 | #else | |
34 | #define CONFIG_SET_BOOTARGS "setenv bootargs \'root=/dev/ram " \ | |
35 | "rw console=ttyS0,115200 ramdisk_size=600000\';" | |
36 | #endif | |
37 | ||
38 | ||
98cb0efd | 39 | #ifdef CONFIG_BOOTSCRIPT_KEY_HASH |
40 | #define CONFIG_SECBOOT \ | |
41 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
2bfe4890 | 42 | CONFIG_SET_BOOTARGS \ |
98cb0efd | 43 | CONFIG_EXTRA_ENV \ |
44 | "esbc_validate $bs_hdraddr " \ | |
45 | __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \ | |
46 | "source $img_addr;" \ | |
47 | "esbc_halt\0" | |
48 | #else | |
49 | #define CONFIG_SECBOOT \ | |
50 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
2bfe4890 | 51 | CONFIG_SET_BOOTARGS \ |
98cb0efd | 52 | CONFIG_EXTRA_ENV \ |
53 | "esbc_validate $bs_hdraddr;" \ | |
54 | "source $img_addr;" \ | |
55 | "esbc_halt\0" | |
56 | #endif | |
57 | ||
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)";" \ | |
69d4b48c | 61 | "setenv bs_hdr_device " __stringify(CONFIG_BS_HDR_ADDR_DEVICE)";" \ |
5050f6f0 AB |
62 | "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \ |
63 | "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \ | |
69d4b48c | 64 | "setenv bs_device " __stringify(CONFIG_BS_ADDR_DEVICE)";" \ |
5050f6f0 AB |
65 | "setenv bs_size " __stringify(CONFIG_BS_SIZE)";" |
66 | ||
3f701cc5 | 67 | /* For secure boot flow, default environment used will be used */ |
762f92a6 RG |
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) | |
5050f6f0 | 71 | #define CONFIG_BS_COPY_CMD \ |
69d4b48c SG |
72 | "nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \ |
73 | "nand read $bs_ram $bs_device $bs_size ;" | |
69d4b48c SG |
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 ;" | |
762f92a6 RG |
78 | #endif |
79 | #else | |
3f701cc5 | 80 | #define CONFIG_BS_COPY_CMD \ |
69d4b48c SG |
81 | "cp.b $bs_hdr_device $bs_hdr_ram $bs_hdr_size ;" \ |
82 | "cp.b $bs_device $bs_ram $bs_size ;" | |
98cb0efd | 83 | #endif |
3f701cc5 | 84 | #endif /* CONFIG_BOOTSCRIPT_COPY_RAM */ |
98cb0efd | 85 | |
5050f6f0 AB |
86 | #ifndef CONFIG_BS_COPY_ENV |
87 | #define CONFIG_BS_COPY_ENV | |
88 | #endif | |
89 | ||
90 | #ifndef CONFIG_BS_COPY_CMD | |
91 | #define CONFIG_BS_COPY_CMD | |
92 | #endif | |
93 | ||
bdc22074 | 94 | #define CONFIG_CHAIN_BOOT_CMD CONFIG_BS_COPY_ENV \ |
5050f6f0 AB |
95 | CONFIG_BS_COPY_CMD \ |
96 | CONFIG_SECBOOT | |
98cb0efd | 97 | |
98 | #endif | |
99 | #endif |