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 "ttyO2" 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=${uuid_gpt_vbmeta};" 22 #else 23 #define VBMETA_PART "" 24 #endif 25 26 #ifndef PARTS_DEFAULT 27 /* Define the default GPT table for eMMC */ 28 #define PARTS_DEFAULT \ 29 /* Linux partitions */ \ 30 "uuid_disk=${uuid_gpt_disk};" \ 31 "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \ 32 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \ 33 /* Android partitions */ \ 34 "partitions_android=" \ 35 "uuid_disk=${uuid_gpt_disk};" \ 36 "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \ 37 "name=bootloader,size=1792K,uuid=${uuid_gpt_bootloader};" \ 38 "name=environment,size=128K,uuid=${uuid_gpt_environment};" \ 39 "name=misc,size=128K,uuid=${uuid_gpt_misc};" \ 40 "name=reserved,size=256K,uuid=${uuid_gpt_reserved};" \ 41 "name=efs,size=16M,uuid=${uuid_gpt_efs};" \ 42 "name=crypto,size=16K,uuid=${uuid_gpt_crypto};" \ 43 "name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \ 44 "name=boot,size=10M,uuid=${uuid_gpt_boot};" \ 45 "name=system,size=768M,uuid=${uuid_gpt_system};" \ 46 "name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \ 47 "name=cache,size=256M,uuid=${uuid_gpt_cache};" \ 48 "name=ipu1,size=1M,uuid=${uuid_gpt_ipu1};" \ 49 "name=ipu2,size=1M,uuid=${uuid_gpt_ipu2};" \ 50 VBMETA_PART \ 51 "name=userdata,size=-,uuid=${uuid_gpt_userdata}" 52 #endif /* PARTS_DEFAULT */ 53 54 #if defined(CONFIG_CMD_AVB) 55 #define AVB_VERIFY_CHECK "if run avb_verify; then " \ 56 "echo AVB verification OK.;" \ 57 "set bootargs $bootargs $avb_bootargs;" \ 58 "else " \ 59 "echo AVB verification failed.;" \ 60 "exit; fi;" 61 #define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify;\0" 62 #else 63 #define AVB_VERIFY_CHECK "" 64 #define AVB_VERIFY_CMD "" 65 #endif 66 67 #define DEFAULT_COMMON_BOOT_TI_ARGS \ 68 "console=" CONSOLEDEV ",115200n8\0" \ 69 "fdtfile=undefined\0" \ 70 "bootpart=0:2\0" \ 71 "bootdir=/boot\0" \ 72 "bootfile=zImage\0" \ 73 "usbtty=cdc_acm\0" \ 74 "vram=16M\0" \ 75 AVB_VERIFY_CMD \ 76 "partitions=" PARTS_DEFAULT "\0" \ 77 "optargs=\0" \ 78 "dofastboot=0\0" \ 79 "emmc_linux_boot=" \ 80 "echo Trying to boot Linux from eMMC ...; " \ 81 "setenv mmcdev 1; " \ 82 "setenv bootpart 1:2; " \ 83 "setenv mmcroot /dev/mmcblk0p2 rw; " \ 84 "run mmcboot;\0" \ 85 "emmc_android_boot=" \ 86 "echo Trying to boot Android from eMMC ...; " \ 87 "run update_to_fit; " \ 88 "setenv eval_bootargs setenv bootargs $bootargs; " \ 89 "run eval_bootargs; " \ 90 "setenv mmcdev 1; " \ 91 "setenv machid fe6; " \ 92 "mmc dev $mmcdev; " \ 93 "mmc rescan; " \ 94 AVB_VERIFY_CHECK \ 95 "part start mmc ${mmcdev} environment fdt_start; " \ 96 "part size mmc ${mmcdev} environment fdt_size; " \ 97 "part start mmc ${mmcdev} boot boot_start; " \ 98 "part size mmc ${mmcdev} boot boot_size; " \ 99 "mmc read ${fdtaddr} ${fdt_start} ${fdt_size}; " \ 100 "mmc read ${loadaddr} ${boot_start} ${boot_size}; " \ 101 "bootm ${loadaddr}#${fdtfile};\0 " 102 103 #ifdef CONFIG_OMAP54XX 104 105 #define DEFAULT_FDT_TI_ARGS \ 106 "findfdt="\ 107 "if test $board_name = omap5_uevm; then " \ 108 "setenv fdtfile omap5-uevm.dtb; fi; " \ 109 "if test $board_name = dra7xx; then " \ 110 "setenv fdtfile dra7-evm.dtb; fi;" \ 111 "if test $board_name = dra72x-revc; then " \ 112 "setenv fdtfile dra72-evm-revc.dtb; fi;" \ 113 "if test $board_name = dra72x; then " \ 114 "setenv fdtfile dra72-evm.dtb; fi;" \ 115 "if test $board_name = dra71x; then " \ 116 "setenv fdtfile dra71-evm.dtb; fi;" \ 117 "if test $board_name = dra76x_acd; then " \ 118 "setenv fdtfile dra76-evm.dtb; fi;" \ 119 "if test $board_name = beagle_x15; then " \ 120 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 121 "if test $board_name = beagle_x15_revb1; then " \ 122 "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \ 123 "if test $board_name = beagle_x15_revc; then " \ 124 "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \ 125 "if test $board_name = am572x_idk; then " \ 126 "setenv fdtfile am572x-idk.dtb; fi;" \ 127 "if test $board_name = am574x_idk; then " \ 128 "setenv fdtfile am574x-idk.dtb; fi;" \ 129 "if test $board_name = am57xx_evm; then " \ 130 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 131 "if test $board_name = am57xx_evm_reva3; then " \ 132 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 133 "if test $board_name = am571x_idk; then " \ 134 "setenv fdtfile am571x-idk.dtb; fi;" \ 135 "if test $fdtfile = undefined; then " \ 136 "echo WARNING: Could not determine device tree to use; fi; \0" 137 138 #define CONFIG_BOOTCOMMAND \ 139 "if test ${dofastboot} -eq 1; then " \ 140 "echo Boot fastboot requested, resetting dofastboot ...;" \ 141 "setenv dofastboot 0; saveenv;" \ 142 "echo Booting into fastboot ...; " \ 143 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \ 144 "fi;" \ 145 "if test ${boot_fit} -eq 1; then " \ 146 "run update_to_fit;" \ 147 "fi;" \ 148 "run findfdt; " \ 149 "run envboot; " \ 150 "run mmcboot;" \ 151 "run emmc_linux_boot; " \ 152 "run emmc_android_boot; " \ 153 "" 154 155 #endif /* CONFIG_OMAP54XX */ 156 157 #endif /* __TI_BOOT_H */ 158