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				https://source.denx.de/u-boot/u-boot.git
				synced 2025-11-03 18:01:41 +01:00 
			
		
		
		
	Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			101 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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 * Copyright 2015 Freescale Semiconductor, Inc.
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 */
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#ifndef __CONFIG_FSL_CHAIN_TRUST_H
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#define __CONFIG_FSL_CHAIN_TRUST_H
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#include <linux/stringify.h>
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#ifdef CONFIG_CHAIN_OF_TRUST
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#ifndef CONFIG_EXTRA_ENV
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#define CONFIG_EXTRA_ENV	""
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#endif
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/*
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 * Control should not reach back to uboot after validation of images
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 * for secure boot flow and therefore bootscript should have
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 * the bootm command. If control reaches back to uboot anyhow
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 * after validating images, core should just spin.
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 */
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/*
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 * Define the key hash for boot script here if public/private key pair used to
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 * sign bootscript are different from the SRK hash put in the fuse
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 * Example of defining KEY_HASH is
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 * #define CONFIG_BOOTSCRIPT_KEY_HASH \
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 *	 "41066b564c6ffcef40ccbc1e0a5d0d519604000c785d97bbefd25e4d288d1c8b"
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 */
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#ifdef CONFIG_USE_BOOTARGS
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#define CONFIG_SET_BOOTARGS	"setenv bootargs \'" CONFIG_BOOTARGS" \';"
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#else
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#define CONFIG_SET_BOOTARGS	"setenv bootargs \'root=/dev/ram "	\
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				"rw console=ttyS0,115200 ramdisk_size=600000\';"
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#endif
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#ifdef CONFIG_BOOTSCRIPT_KEY_HASH
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#define CONFIG_SECBOOT \
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	"setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
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	CONFIG_SET_BOOTARGS	\
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	CONFIG_EXTRA_ENV	\
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	"esbc_validate $bs_hdraddr " \
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	  __stringify(CONFIG_BOOTSCRIPT_KEY_HASH)";" \
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	"source $img_addr;"	\
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	"esbc_halt\0"
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#else
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#define CONFIG_SECBOOT \
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	"setenv bs_hdraddr " __stringify(CONFIG_BOOTSCRIPT_HDR_ADDR)";" \
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	CONFIG_SET_BOOTARGS	\
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	CONFIG_EXTRA_ENV	\
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	"esbc_validate $bs_hdraddr;" \
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	"source $img_addr;"	\
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	"esbc_halt\0"
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#endif
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#ifdef CONFIG_BOOTSCRIPT_COPY_RAM
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#define CONFIG_BS_COPY_ENV \
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	"setenv bs_hdr_ram " __stringify(CONFIG_BS_HDR_ADDR_RAM)";" \
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	"setenv bs_hdr_device " __stringify(CONFIG_BS_HDR_ADDR_DEVICE)";" \
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	"setenv bs_hdr_size " __stringify(CONFIG_BS_HDR_SIZE)";" \
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	"setenv bs_ram " __stringify(CONFIG_BS_ADDR_RAM)";" \
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	"setenv bs_device " __stringify(CONFIG_BS_ADDR_DEVICE)";" \
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	"setenv bs_size " __stringify(CONFIG_BS_SIZE)";"
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/* For secure boot flow, default environment used will be used */
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#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_NAND_BOOT) || \
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	defined(CONFIG_SD_BOOT)
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#if defined(CONFIG_RAMBOOT_NAND) || defined(CONFIG_NAND_BOOT)
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#define CONFIG_BS_COPY_CMD \
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	"nand read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
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	"nand read $bs_ram $bs_device $bs_size ;"
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#elif defined(CONFIG_SD_BOOT)
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#define CONFIG_BS_COPY_CMD \
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	"mmc read $bs_hdr_ram $bs_hdr_device $bs_hdr_size ;" \
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	"mmc read $bs_ram $bs_device $bs_size ;"
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#endif
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#else
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#define CONFIG_BS_COPY_CMD \
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	"cp.b $bs_hdr_device $bs_hdr_ram  $bs_hdr_size ;" \
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	"cp.b $bs_device $bs_ram  $bs_size ;"
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#endif
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#endif /* CONFIG_BOOTSCRIPT_COPY_RAM */
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#ifndef CONFIG_BS_COPY_ENV
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#define CONFIG_BS_COPY_ENV
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#endif
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#ifndef CONFIG_BS_COPY_CMD
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#define CONFIG_BS_COPY_CMD
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#endif
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#define CONFIG_CHAIN_BOOT_CMD	CONFIG_BS_COPY_ENV \
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				CONFIG_BS_COPY_CMD \
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				CONFIG_SECBOOT
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#endif
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#endif
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