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83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
98cb0efd | 2 | /* |
3 | * Copyright 2015 Freescale Semiconductor, Inc. | |
98cb0efd | 4 | */ |
5 | ||
bdc22074 AB |
6 | #ifndef __CONFIG_FSL_CHAIN_TRUST_H |
7 | #define __CONFIG_FSL_CHAIN_TRUST_H | |
98cb0efd | 8 | |
bdc22074 AB |
9 | #ifdef CONFIG_CHAIN_OF_TRUST |
10 | ||
98cb0efd | 11 | #ifndef CONFIG_EXTRA_ENV |
12 | #define CONFIG_EXTRA_ENV "" | |
13 | #endif | |
14 | ||
15 | /* | |
16 | * Control should not reach back to uboot after validation of images | |
17 | * for secure boot flow and therefore bootscript should have | |
18 | * the bootm command. If control reaches back to uboot anyhow | |
19 | * after validating images, core should just spin. | |
20 | */ | |
21 | ||
22 | /* | |
23 | * Define the key hash for boot script here if public/private key pair used to | |
24 | * sign bootscript are different from the SRK hash put in the fuse | |
25 | * Example of defining KEY_HASH is | |
26 | * #define CONFIG_BOOTSCRIPT_KEY_HASH \ | |
27 | * "41066b564c6ffcef40ccbc1e0a5d0d519604000c785d97bbefd25e4d288d1c8b" | |
28 | */ | |
29 | ||
5abc1a45 | 30 | #ifdef CONFIG_USE_BOOTARGS |
2bfe4890 SJ |
31 | #define CONFIG_SET_BOOTARGS "setenv bootargs \'" CONFIG_BOOTARGS" \';" |
32 | #else | |
33 | #define CONFIG_SET_BOOTARGS "setenv bootargs \'root=/dev/ram " \ | |
34 | "rw console=ttyS0,115200 ramdisk_size=600000\';" | |
35 | #endif | |
36 | ||
37 | ||
98cb0efd | 38 | #ifdef CONFIG_BOOTSCRIPT_KEY_HASH |
39 | #define CONFIG_SECBOOT \ | |
40 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
2bfe4890 | 41 | CONFIG_SET_BOOTARGS \ |
98cb0efd | 42 | CONFIG_EXTRA_ENV \ |
43 | "esbc_validate $bs_hdraddr " \ | |
44 | __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \ | |
45 | "source $img_addr;" \ | |
46 | "esbc_halt\0" | |
47 | #else | |
48 | #define CONFIG_SECBOOT \ | |
49 | "setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \ | |
2bfe4890 | 50 | CONFIG_SET_BOOTARGS \ |
98cb0efd | 51 | CONFIG_EXTRA_ENV \ |
52 | "esbc_validate $bs_hdraddr;" \ | |
53 | "source $img_addr;" \ | |
54 | "esbc_halt\0" | |
55 | #endif | |
56 | ||
5050f6f0 AB |
57 | #ifdef CONFIG_BOOTSCRIPT_COPY_RAM |
58 | #define CONFIG_BS_COPY_ENV \ | |
59 | "setenv bs_hdr_ram " __stringify(CONFIG_BS_HDR_ADDR_RAM)";" \ | |
69d4b48c | 60 | "setenv bs_hdr_device " __stringify(CONFIG_BS_HDR_ADDR_DEVICE)";" \ |
5050f6f0 AB |
61 | "setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \ |
62 | "setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \ | |
69d4b48c | 63 | "setenv bs_device " __stringify(CONFIG_BS_ADDR_DEVICE)";" \ |
5050f6f0 AB |
64 | "setenv bs_size " __stringify(CONFIG_BS_SIZE)";" |
65 | ||
3f701cc5 | 66 | /* For secure boot flow, default environment used will be used */ |
762f92a6 RG |
67 | #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_NAND_BOOT) || \ |
68 | defined(CONFIG_SD_BOOT) | |
69 | #if defined(CONFIG_RAMBOOT_NAND) || defined(CONFIG_NAND_BOOT) | |
5050f6f0 | 70 | #define CONFIG_BS_COPY_CMD \ |
69d4b48c SG |
71 | "nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \ |
72 | "nand read $bs_ram $bs_device $bs_size ;" | |
69d4b48c SG |
73 | #elif defined(CONFIG_SD_BOOT) |
74 | #define CONFIG_BS_COPY_CMD \ | |
75 | "mmc read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \ | |
76 | "mmc read $bs_ram $bs_device $bs_size ;" | |
762f92a6 RG |
77 | #endif |
78 | #else | |
3f701cc5 | 79 | #define CONFIG_BS_COPY_CMD \ |
69d4b48c SG |
80 | "cp.b $bs_hdr_device $bs_hdr_ram $bs_hdr_size ;" \ |
81 | "cp.b $bs_device $bs_ram $bs_size ;" | |
98cb0efd | 82 | #endif |
3f701cc5 | 83 | #endif /* CONFIG_BOOTSCRIPT_COPY_RAM */ |
98cb0efd | 84 | |
5050f6f0 AB |
85 | #ifndef CONFIG_BS_COPY_ENV |
86 | #define CONFIG_BS_COPY_ENV | |
87 | #endif | |
88 | ||
89 | #ifndef CONFIG_BS_COPY_CMD | |
90 | #define CONFIG_BS_COPY_CMD | |
91 | #endif | |
92 | ||
bdc22074 | 93 | #define CONFIG_CHAIN_BOOT_CMD CONFIG_BS_COPY_ENV \ |
5050f6f0 AB |
94 | CONFIG_BS_COPY_CMD \ |
95 | CONFIG_SECBOOT | |
98cb0efd | 96 | |
97 | #endif | |
98 | #endif |