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Diffstat (limited to 'include/environment/ti/boot.h')
| -rw-r--r-- | include/environment/ti/boot.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/include/environment/ti/boot.h b/include/environment/ti/boot.h new file mode 100644 index 0000000..684a744 --- /dev/null +++ b/include/environment/ti/boot.h @@ -0,0 +1,219 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Boot related environment variable definitions on TI boards. + * + * (C) Copyright 2017 Linaro Ltd. + * Sam Protsenko <semen.protsenko@linaro.org> + */ + +#ifndef __TI_BOOT_H +#define __TI_BOOT_H + +#ifndef CONSOLEDEV +#define CONSOLEDEV "ttyS2" +#endif + +#define VBMETA_PART_SIZE (64 * 1024) + +#if defined(CONFIG_LIBAVB) +#define VBMETA_PART \ + "name=vbmeta,size=" __stringify(VBMETA_PART_SIZE) \ + ",uuid=${uuid_gpt_vbmeta};" +#else +#define VBMETA_PART "" +#endif + +#if defined(CONFIG_CMD_AB_SELECT) +#define COMMON_PARTS \ + "name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \ + "name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \ + "name=system_a,size=1024M,uuid=${uuid_gpt_system_a};" \ + "name=system_b,size=1024M,uuid=${uuid_gpt_system_b};" +#else +#define COMMON_PARTS \ + "name=boot,size=20M,uuid=${uuid_gpt_boot};" \ + "name=system,size=1024M,uuid=${uuid_gpt_system};" +#endif + +#ifndef PARTS_DEFAULT +/* Define the default GPT table for eMMC */ +#define PARTS_DEFAULT \ + /* Linux partitions */ \ + "uuid_disk=${uuid_gpt_disk};" \ + "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \ + "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \ + /* Android partitions */ \ + "partitions_android=" \ + "uuid_disk=${uuid_gpt_disk};" \ + "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \ + "name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \ + "name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \ + "name=misc,size=128K,uuid=${uuid_gpt_misc};" \ + "name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \ + COMMON_PARTS \ + "name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \ + VBMETA_PART \ + "name=userdata,size=-,uuid=${uuid_gpt_userdata}" +#endif /* PARTS_DEFAULT */ + +#if defined(CONFIG_CMD_AVB) +#define AVB_VERIFY_CHECK "if run avb_verify; then " \ + "echo AVB verification OK.;" \ + "set bootargs $bootargs $avb_bootargs;" \ + "else " \ + "echo AVB verification failed.;" \ + "exit; fi;" +#define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify;\0" +#else +#define AVB_VERIFY_CHECK "" +#define AVB_VERIFY_CMD "" +#endif + +#define CONTROL_PARTITION "misc" + +#if defined(CONFIG_CMD_AB_SELECT) +#define AB_SELECT \ + "if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \ + "then " \ + "echo " CONTROL_PARTITION \ + " partition number:${control_part_number};" \ + "ab_select slot_name mmc ${mmcdev}:${control_part_number};" \ + "else " \ + "echo " CONTROL_PARTITION " partition not found;" \ + "exit;" \ + "fi;" \ + "setenv slot_suffix _${slot_name};" \ + "if part number mmc ${mmcdev} system${slot_suffix} " \ + "system_part_number; then " \ + "setenv bootargs_ab " \ + "ro root=/dev/mmcblk${mmcdev}p${system_part_number} " \ + "rootwait init=/init skip_initramfs " \ + "androidboot.slot_suffix=${slot_suffix};" \ + "echo A/B cmdline addition: ${bootargs_ab};" \ + "setenv bootargs ${bootargs} ${bootargs_ab};" \ + "else " \ + "echo system${slot_suffix} partition not found;" \ + "fi;" +#else +#define AB_SELECT "" +#endif + +#define FASTBOOT_CMD \ + "echo Booting into fastboot ...; " \ + "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " + +#define DEFAULT_COMMON_BOOT_TI_ARGS \ + "console=" CONSOLEDEV ",115200n8\0" \ + "fdtfile=undefined\0" \ + "bootpart=0:2\0" \ + "bootdir=/boot\0" \ + "bootfile=zImage\0" \ + "usbtty=cdc_acm\0" \ + "vram=16M\0" \ + AVB_VERIFY_CMD \ + "partitions=" PARTS_DEFAULT "\0" \ + "optargs=\0" \ + "dofastboot=0\0" \ + "emmc_linux_boot=" \ + "echo Trying to boot Linux from eMMC ...; " \ + "setenv mmcdev 1; " \ + "setenv bootpart 1:2; " \ + "setenv mmcroot /dev/mmcblk0p2 rw; " \ + "run mmcboot;\0" \ + "emmc_android_boot=" \ + "if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \ + CONTROL_PARTITION "; then " \ + "if bcb test command = bootonce-bootloader; then " \ + "echo BCB: Bootloader boot...; " \ + "bcb clear command; bcb store; " \ + FASTBOOT_CMD \ + "elif bcb test command = boot-recovery; then " \ + "echo BCB: Recovery boot...; " \ + "echo Warning: recovery is not implemented; " \ + "echo Performing normal boot for now...; " \ + "bcb clear command; bcb store; " \ + "run emmc_android_normal_boot; " \ + "else " \ + "echo BCB: Normal boot requested...; " \ + "run emmc_android_normal_boot; " \ + "fi; " \ + "else " \ + "echo Warning: BCB is corrupted or does not exist; " \ + "echo Performing normal boot...; " \ + "run emmc_android_normal_boot; " \ + "fi;\0" \ + "emmc_android_normal_boot=" \ + "echo Trying to boot Android from eMMC ...; " \ + "run update_to_fit; " \ + "setenv eval_bootargs setenv bootargs $bootargs; " \ + "run eval_bootargs; " \ + "setenv mmcdev 1; " \ + "setenv machid fe6; " \ + "mmc dev $mmcdev; " \ + "mmc rescan; " \ + AVB_VERIFY_CHECK \ + AB_SELECT \ + "if part start mmc ${mmcdev} boot${slot_suffix} boot_start; " \ + "then " \ + "part size mmc ${mmcdev} boot${slot_suffix} " \ + "boot_size; " \ + "mmc read ${loadaddr} ${boot_start} ${boot_size}; " \ + "bootm ${loadaddr}#${fdtfile}; " \ + "else " \ + "echo boot${slot_suffix} partition not found; " \ + "fi;\0" + +#ifdef CONFIG_OMAP54XX + +#define DEFAULT_FDT_TI_ARGS \ + "findfdt="\ + "if test $board_name = omap5_uevm; then " \ + "setenv fdtfile omap5-uevm.dtb; fi; " \ + "if test $board_name = dra7xx; then " \ + "setenv fdtfile dra7-evm.dtb; fi;" \ + "if test $board_name = dra72x-revc; then " \ + "setenv fdtfile dra72-evm-revc.dtb; fi;" \ + "if test $board_name = dra72x; then " \ + "setenv fdtfile dra72-evm.dtb; fi;" \ + "if test $board_name = dra71x; then " \ + "setenv fdtfile dra71-evm.dtb; fi;" \ + "if test $board_name = dra76x_acd; then " \ + "setenv fdtfile dra76-evm.dtb; fi;" \ + "if test $board_name = beagle_x15; then " \ + "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ + "if test $board_name = beagle_x15_revb1; then " \ + "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \ + "if test $board_name = beagle_x15_revc; then " \ + "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \ + "if test $board_name = am572x_idk; then " \ + "setenv fdtfile am572x-idk.dtb; fi;" \ + "if test $board_name = am574x_idk; then " \ + "setenv fdtfile am574x-idk.dtb; fi;" \ + "if test $board_name = am57xx_evm; then " \ + "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ + "if test $board_name = am57xx_evm_reva3; then " \ + "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ + "if test $board_name = am571x_idk; then " \ + "setenv fdtfile am571x-idk.dtb; fi;" \ + "if test $fdtfile = undefined; then " \ + "echo WARNING: Could not determine device tree to use; fi; \0" + +#define CONFIG_BOOTCOMMAND \ + "if test ${dofastboot} -eq 1; then " \ + "echo Boot fastboot requested, resetting dofastboot ...;" \ + "setenv dofastboot 0; saveenv;" \ + FASTBOOT_CMD \ + "fi;" \ + "if test ${boot_fit} -eq 1; then " \ + "run update_to_fit;" \ + "fi;" \ + "run findfdt; " \ + "run envboot; " \ + "run mmcboot;" \ + "run emmc_linux_boot; " \ + "run emmc_android_boot; " \ + "" + +#endif /* CONFIG_OMAP54XX */ + +#endif /* __TI_BOOT_H */ |