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 #include <linux/stringify.h>
  13
  14 #ifndef CONSOLEDEV
  15 #define CONSOLEDEV "ttyS2"
  16 #endif
  17
  18 #ifndef PARTS_DEFAULT
  19 /*
  20  * Default GPT tables for eMMC (Linux and Android). Notes:
  21  *   1. Keep partitions aligned to erase group size (512 KiB) when possible
  22  *   2. Keep partitions in sync with DFU_ALT_INFO_EMMC (see dfu.h)
  23  *   3. Keep 'bootloader' partition (U-Boot proper) start address in sync with
  24  *      CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR (see common/spl/Kconfig)
  25  */
  26 #define PARTS_DEFAULT \
  27         /* Linux partitions */ \
  28         "uuid_disk=${uuid_gpt_disk};" \
  29         "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \
  30         "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
  31         /* Android partitions */ \
  32         "partitions_android=" \
  33         "uuid_disk=${uuid_gpt_disk};" \
  34         "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \
  35         "name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \
  36         "name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \
  37         "name=misc,size=128K,uuid=${uuid_gpt_misc};" \
  38         "name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \
  39         "name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \
  40         "name=dtbo_a,size=8M,uuid=${uuid_gpt_dtbo_a};" \
  41         "name=dtbo_b,size=8M,uuid=${uuid_gpt_dtbo_b};" \
  42         "name=vbmeta_a,size=64K,uuid=${uuid_gpt_vbmeta_a};" \
  43         "name=vbmeta_b,size=64K,uuid=${uuid_gpt_vbmeta_b};" \
  44         "name=recovery,size=64M,uuid=${uuid_gpt_recovery};" \
  45         "name=super,size=2560M,uuid=${uuid_gpt_super};" \
  46         "name=metadata,size=16M,uuid=${uuid_gpt_metadata};" \
  47         "name=userdata,size=-,uuid=${uuid_gpt_userdata}"
  48 #endif /* PARTS_DEFAULT */
  49
  50 #if defined(CONFIG_CMD_AVB)
  51 #define AVB_VERIFY_CHECK "if run avb_verify; then " \
  52                                 "echo AVB verification OK.;" \
  53                                 "set bootargs $bootargs $avb_bootargs;" \
  54                         "else " \
  55                                 "echo AVB verification failed.;" \
  56                         "exit; fi;"
  57 #define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify $slot_suffix;\0"
  58 #else
  59 #define AVB_VERIFY_CHECK ""
  60 #define AVB_VERIFY_CMD ""
  61 #endif
  62
  63 #define CONTROL_PARTITION "misc"
  64
  65 #if defined(CONFIG_CMD_AB_SELECT)
  66 #define AB_SELECT_SLOT \
  67         "if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
  68         "then " \
  69                 "echo " CONTROL_PARTITION \
  70                         " partition number:${control_part_number};" \
  71                 "ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
  72         "else " \
  73                 "echo " CONTROL_PARTITION " partition not found;" \
  74                 "exit;" \
  75         "fi;" \
  76         "setenv slot_suffix _${slot_name};"
  77 #define AB_SELECT_ARGS \
  78         "setenv bootargs_ab androidboot.slot_suffix=${slot_suffix}; " \
  79         "echo A/B cmdline addition: ${bootargs_ab};" \
  80         "setenv bootargs ${bootargs} ${bootargs_ab};"
  81 #else
  82 #define AB_SELECT_SLOT ""
  83 #define AB_SELECT_ARGS ""
  84 #endif
  85
  86 /*
  87  * Prepares complete device tree blob for current board (for Android boot).
  88  *
  89  * Boot image or recovery image should be loaded into $loadaddr prior to running
  90  * these commands. The logic of these commnads is next:
  91  *
  92  *   1. Read correct DTB for current SoC/board from boot image in $loadaddr
  93  *      to $fdtaddr
  94  *   2. Merge all needed DTBO for current board from 'dtbo' partition into read
  95  *      DTB
  96  *   3. User should provide $fdtaddr as 3rd argument to 'bootm'
  97  */
  98 #define PREPARE_FDT \
  99         "echo Preparing FDT...; " \
 100         "if test $board_name = am57xx_evm_reva3; then " \
 101                 "echo \"  Reading DTBO partition...\"; " \
 102                 "part start mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_start; " \
 103                 "part size mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_size; " \
 104                 "mmc read ${dtboaddr} ${p_dtbo_start} ${p_dtbo_size}; " \
 105                 "echo \"  Reading DTB for AM57x EVM RevA3...\"; " \
 106                 "abootimg get dtb --index=0 dtb_start dtb_size; " \
 107                 "cp.b $dtb_start $fdtaddr $dtb_size; " \
 108                 "fdt addr $fdtaddr 0x80000; " \
 109                 "echo \"  Applying DTBOs for AM57x EVM RevA3...\"; " \
 110                 "adtimg addr $dtboaddr; " \
 111                 "adtimg get dt --index=0 dtbo0_addr dtbo0_size; " \
 112                 "fdt apply $dtbo0_addr; " \
 113                 "adtimg get dt --index=1 dtbo1_addr dtbo1_size; " \
 114                 "fdt apply $dtbo1_addr; " \
 115         "elif test $board_name = beagle_x15_revc; then " \
 116                 "echo \"  Reading DTB for Beagle X15 RevC...\"; " \
 117                 "abootimg get dtb --index=0 dtb_start dtb_size; " \
 118                 "cp.b $dtb_start $fdtaddr $dtb_size; " \
 119                 "fdt addr $fdtaddr 0x80000; " \
 120         "else " \
 121                 "echo Error: Android boot is not supported for $board_name; " \
 122                 "exit; " \
 123         "fi; " \
 124
 125 #define FASTBOOT_CMD \
 126         "echo Booting into fastboot ...; " \
 127         "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; "
 128
 129 #define DEFAULT_COMMON_BOOT_TI_ARGS \
 130         "console=" CONSOLEDEV ",115200n8\0" \
 131         "fdtfile=undefined\0" \
 132         "bootpart=0:2\0" \
 133         "bootdir=/boot\0" \
 134         "bootfile=zImage\0" \
 135         "usbtty=cdc_acm\0" \
 136         "vram=16M\0" \
 137         AVB_VERIFY_CMD \
 138         "partitions=" PARTS_DEFAULT "\0" \
 139         "optargs=\0" \
 140         "dofastboot=0\0" \
 141         "emmc_linux_boot=" \
 142                 "echo Trying to boot Linux from eMMC ...; " \
 143                 "setenv mmcdev 1; " \
 144                 "setenv bootpart 1:2; " \
 145                 "setenv mmcroot /dev/mmcblk0p2 rw; " \
 146                 "run mmcboot;\0" \
 147         "emmc_android_boot=" \
 148                 "setenv mmcdev 1; " \
 149                 "mmc dev $mmcdev; " \
 150                 "mmc rescan; " \
 151                 AB_SELECT_SLOT \
 152                 "if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
 153                 CONTROL_PARTITION "; then " \
 154                         "setenv ardaddr -; " \
 155                         "if bcb test command = bootonce-bootloader; then " \
 156                                 "echo Android: Bootloader boot...; " \
 157                                 "bcb clear command; bcb store; " \
 158                                 FASTBOOT_CMD \
 159                                 "exit; " \
 160                         "elif bcb test command = boot-recovery; then " \
 161                                 "echo Android: Recovery boot...; " \
 162                                 "setenv ardaddr $loadaddr;" \
 163                                 "setenv apart recovery; " \
 164                         "else " \
 165                                 "echo Android: Normal boot...; " \
 166                                 "setenv ardaddr $loadaddr; " \
 167                                 "setenv apart boot${slot_suffix}; " \
 168                         "fi; " \
 169                 "else " \
 170                         "echo Warning: BCB is corrupted or does not exist; " \
 171                         "echo Android: Normal boot...; " \
 172                 "fi; " \
 173                 "setenv eval_bootargs setenv bootargs $bootargs; " \
 174                 "run eval_bootargs; " \
 175                 "setenv machid fe6; " \
 176                 AVB_VERIFY_CHECK \
 177                 AB_SELECT_ARGS \
 178                 "if part start mmc $mmcdev $apart boot_start; then " \
 179                         "part size mmc $mmcdev $apart boot_size; " \
 180                         "mmc read $loadaddr $boot_start $boot_size; " \
 181                         PREPARE_FDT \
 182                         "bootm $loadaddr $ardaddr $fdtaddr; " \
 183                 "else " \
 184                         "echo $apart partition not found; " \
 185                         "exit; " \
 186                 "fi;\0"
 187
 188 #ifdef CONFIG_OMAP54XX
 189
 190 #define DEFAULT_FDT_TI_ARGS \
 191         "findfdt="\
 192                 "if test $board_name = omap5_uevm; then " \
 193                         "setenv fdtfile omap5-uevm.dtb; fi; " \
 194                 "if test $board_name = dra7xx; then " \
 195                         "setenv fdtfile dra7-evm.dtb; fi;" \
 196                 "if test $board_name = dra72x-revc; then " \
 197                         "setenv fdtfile dra72-evm-revc.dtb; fi;" \
 198                 "if test $board_name = dra72x; then " \
 199                         "setenv fdtfile dra72-evm.dtb; fi;" \
 200                 "if test $board_name = dra71x; then " \
 201                         "setenv fdtfile dra71-evm.dtb; fi;" \
 202                 "if test $board_name = dra76x_acd; then " \
 203                         "setenv fdtfile dra76-evm.dtb; fi;" \
 204                 "if test $board_name = beagle_x15; then " \
 205                         "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
 206                 "if test $board_name = beagle_x15_revb1; then " \
 207                         "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
 208                 "if test $board_name = beagle_x15_revc; then " \
 209                         "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
 210                 "if test $board_name = am5729_beagleboneai; then " \
 211                         "setenv fdtfile am5729-beagleboneai.dtb; fi;" \
 212                 "if test $board_name = am572x_idk; then " \
 213                         "setenv fdtfile am572x-idk.dtb; fi;" \
 214                 "if test $board_name = am574x_idk; then " \
 215                         "setenv fdtfile am574x-idk.dtb; fi;" \
 216                 "if test $board_name = am57xx_evm; then " \
 217                         "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
 218                 "if test $board_name = am57xx_evm_reva3; then " \
 219                         "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
 220                 "if test $board_name = am571x_idk; then " \
 221                         "setenv fdtfile am571x-idk.dtb; fi;" \
 222                 "if test $fdtfile = undefined; then " \
 223                         "echo WARNING: Could not determine device tree to use; fi; \0"
 224
 225 #define CONFIG_BOOTCOMMAND \
 226         "if test ${dofastboot} -eq 1; then " \
 227                 "echo Boot fastboot requested, resetting dofastboot ...;" \
 228                 "setenv dofastboot 0; saveenv;" \
 229                 FASTBOOT_CMD \
 230         "fi;" \
 231         "if test ${boot_fit} -eq 1; then "      \
 232                 "run update_to_fit;"    \
 233         "fi;"   \
 234         "run findfdt; " \
 235         "run envboot; " \
 236         "run mmcboot;" \
 237         "run emmc_linux_boot; " \
 238         "run emmc_android_boot; " \
 239         ""
 240
 241 #endif /* CONFIG_OMAP54XX */
 242
 243 #endif /* __TI_BOOT_H */