include/environment/ti/boot.h

   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 */