1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Boot related environment variable definitions on TI boards. 4 * 5 * (C) Copyright 2017 Linaro Ltd. 6 * Sam Protsenko <semen.protsenko@linaro.org> 7 */ 8 9 #ifndef __TI_BOOT_H 10 #define __TI_BOOT_H 11 12 #ifndef CONSOLEDEV 13 #define CONSOLEDEV "ttyS2" 14 #endif 15 16 #define VBMETA_PART_SIZE (64 * 1024) 17 18 #if defined(CONFIG_LIBAVB) 19 #define VBMETA_PART \ 20 "name=vbmeta,size=" __stringify(VBMETA_PART_SIZE) \ 21 ",uuid=${uuid_gpt_vbmeta};" 22 #else 23 #define VBMETA_PART "" 24 #endif 25 26 #if defined(CONFIG_CMD_AB_SELECT) 27 #define COMMON_PARTS \ 28 "name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \ 29 "name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \ 30 "name=system_a,size=1024M,uuid=${uuid_gpt_system_a};" \ 31 "name=system_b,size=1024M,uuid=${uuid_gpt_system_b};" 32 #else 33 #define COMMON_PARTS \ 34 "name=boot,size=20M,uuid=${uuid_gpt_boot};" \ 35 "name=system,size=1024M,uuid=${uuid_gpt_system};" 36 #endif 37 38 #ifndef PARTS_DEFAULT 39 /* Define the default GPT table for eMMC */ 40 #define PARTS_DEFAULT \ 41 /* Linux partitions */ \ 42 "uuid_disk=${uuid_gpt_disk};" \ 43 "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \ 44 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \ 45 /* Android partitions */ \ 46 "partitions_android=" \ 47 "uuid_disk=${uuid_gpt_disk};" \ 48 "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \ 49 "name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \ 50 "name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \ 51 "name=misc,size=128K,uuid=${uuid_gpt_misc};" \ 52 "name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \ 53 COMMON_PARTS \ 54 "name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \ 55 VBMETA_PART \ 56 "name=userdata,size=-,uuid=${uuid_gpt_userdata}" 57 #endif /* PARTS_DEFAULT */ 58 59 #if defined(CONFIG_CMD_AVB) 60 #define AVB_VERIFY_CHECK "if run avb_verify; then " \ 61 "echo AVB verification OK.;" \ 62 "set bootargs $bootargs $avb_bootargs;" \ 63 "else " \ 64 "echo AVB verification failed.;" \ 65 "exit; fi;" 66 #define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify;\0" 67 #else 68 #define AVB_VERIFY_CHECK "" 69 #define AVB_VERIFY_CMD "" 70 #endif 71 72 #define CONTROL_PARTITION "misc" 73 74 #if defined(CONFIG_CMD_AB_SELECT) 75 #define AB_SELECT \ 76 "if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \ 77 "then " \ 78 "echo " CONTROL_PARTITION \ 79 " partition number:${control_part_number};" \ 80 "ab_select slot_name mmc ${mmcdev}:${control_part_number};" \ 81 "else " \ 82 "echo " CONTROL_PARTITION " partition not found;" \ 83 "exit;" \ 84 "fi;" \ 85 "setenv slot_suffix _${slot_name};" \ 86 "if part number mmc ${mmcdev} system${slot_suffix} " \ 87 "system_part_number; then " \ 88 "setenv bootargs_ab " \ 89 "ro root=/dev/mmcblk${mmcdev}p${system_part_number} " \ 90 "rootwait init=/init skip_initramfs " \ 91 "androidboot.slot_suffix=${slot_suffix};" \ 92 "echo A/B cmdline addition: ${bootargs_ab};" \ 93 "setenv bootargs ${bootargs} ${bootargs_ab};" \ 94 "else " \ 95 "echo system${slot_suffix} partition not found;" \ 96 "fi;" 97 #else 98 #define AB_SELECT "" 99 #endif 100 101 #define FASTBOOT_CMD \ 102 "echo Booting into fastboot ...; " \ 103 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " 104 105 #define DEFAULT_COMMON_BOOT_TI_ARGS \ 106 "console=" CONSOLEDEV ",115200n8\0" \ 107 "fdtfile=undefined\0" \ 108 "bootpart=0:2\0" \ 109 "bootdir=/boot\0" \ 110 "bootfile=zImage\0" \ 111 "usbtty=cdc_acm\0" \ 112 "vram=16M\0" \ 113 AVB_VERIFY_CMD \ 114 "partitions=" PARTS_DEFAULT "\0" \ 115 "optargs=\0" \ 116 "dofastboot=0\0" \ 117 "emmc_linux_boot=" \ 118 "echo Trying to boot Linux from eMMC ...; " \ 119 "setenv mmcdev 1; " \ 120 "setenv bootpart 1:2; " \ 121 "setenv mmcroot /dev/mmcblk0p2 rw; " \ 122 "run mmcboot;\0" \ 123 "emmc_android_boot=" \ 124 "if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \ 125 CONTROL_PARTITION "; then " \ 126 "if bcb test command = bootonce-bootloader; then " \ 127 "echo BCB: Bootloader boot...; " \ 128 "bcb clear command; bcb store; " \ 129 FASTBOOT_CMD \ 130 "elif bcb test command = boot-recovery; then " \ 131 "echo BCB: Recovery boot...; " \ 132 "echo Warning: recovery is not implemented; " \ 133 "echo Performing normal boot for now...; " \ 134 "bcb clear command; bcb store; " \ 135 "run emmc_android_normal_boot; " \ 136 "else " \ 137 "echo BCB: Normal boot requested...; " \ 138 "run emmc_android_normal_boot; " \ 139 "fi; " \ 140 "else " \ 141 "echo Warning: BCB is corrupted or does not exist; " \ 142 "echo Performing normal boot...; " \ 143 "run emmc_android_normal_boot; " \ 144 "fi;\0" \ 145 "emmc_android_normal_boot=" \ 146 "echo Trying to boot Android from eMMC ...; " \ 147 "run update_to_fit; " \ 148 "setenv eval_bootargs setenv bootargs $bootargs; " \ 149 "run eval_bootargs; " \ 150 "setenv mmcdev 1; " \ 151 "setenv machid fe6; " \ 152 "mmc dev $mmcdev; " \ 153 "mmc rescan; " \ 154 AVB_VERIFY_CHECK \ 155 AB_SELECT \ 156 "if part start mmc ${mmcdev} boot${slot_suffix} boot_start; " \ 157 "then " \ 158 "part size mmc ${mmcdev} boot${slot_suffix} " \ 159 "boot_size; " \ 160 "mmc read ${loadaddr} ${boot_start} ${boot_size}; " \ 161 "bootm ${loadaddr}#${fdtfile}; " \ 162 "else " \ 163 "echo boot${slot_suffix} partition not found; " \ 164 "fi;\0" 165 166 #ifdef CONFIG_OMAP54XX 167 168 #define DEFAULT_FDT_TI_ARGS \ 169 "findfdt="\ 170 "if test $board_name = omap5_uevm; then " \ 171 "setenv fdtfile omap5-uevm.dtb; fi; " \ 172 "if test $board_name = dra7xx; then " \ 173 "setenv fdtfile dra7-evm.dtb; fi;" \ 174 "if test $board_name = dra72x-revc; then " \ 175 "setenv fdtfile dra72-evm-revc.dtb; fi;" \ 176 "if test $board_name = dra72x; then " \ 177 "setenv fdtfile dra72-evm.dtb; fi;" \ 178 "if test $board_name = dra71x; then " \ 179 "setenv fdtfile dra71-evm.dtb; fi;" \ 180 "if test $board_name = dra76x_acd; then " \ 181 "setenv fdtfile dra76-evm.dtb; fi;" \ 182 "if test $board_name = beagle_x15; then " \ 183 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 184 "if test $board_name = beagle_x15_revb1; then " \ 185 "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \ 186 "if test $board_name = beagle_x15_revc; then " \ 187 "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \ 188 "if test $board_name = am572x_idk; then " \ 189 "setenv fdtfile am572x-idk.dtb; fi;" \ 190 "if test $board_name = am574x_idk; then " \ 191 "setenv fdtfile am574x-idk.dtb; fi;" \ 192 "if test $board_name = am57xx_evm; then " \ 193 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 194 "if test $board_name = am57xx_evm_reva3; then " \ 195 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 196 "if test $board_name = am571x_idk; then " \ 197 "setenv fdtfile am571x-idk.dtb; fi;" \ 198 "if test $fdtfile = undefined; then " \ 199 "echo WARNING: Could not determine device tree to use; fi; \0" 200 201 #define CONFIG_BOOTCOMMAND \ 202 "if test ${dofastboot} -eq 1; then " \ 203 "echo Boot fastboot requested, resetting dofastboot ...;" \ 204 "setenv dofastboot 0; saveenv;" \ 205 FASTBOOT_CMD \ 206 "fi;" \ 207 "if test ${boot_fit} -eq 1; then " \ 208 "run update_to_fit;" \ 209 "fi;" \ 210 "run findfdt; " \ 211 "run envboot; " \ 212 "run mmcboot;" \ 213 "run emmc_linux_boot; " \ 214 "run emmc_android_boot; " \ 215 "" 216 217 #endif /* CONFIG_OMAP54XX */ 218 219 #endif /* __TI_BOOT_H */ 220