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 #ifndef PARTS_DEFAULT 17 /* Define the default GPT table for eMMC */ 18 #define PARTS_DEFAULT \ 19 /* Linux partitions */ \ 20 "uuid_disk=${uuid_gpt_disk};" \ 21 "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \ 22 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \ 23 /* Android partitions */ \ 24 "partitions_android=" \ 25 "uuid_disk=${uuid_gpt_disk};" \ 26 "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \ 27 "name=bootloader,size=1792K,uuid=${uuid_gpt_bootloader};" \ 28 "name=environment,size=128K,uuid=${uuid_gpt_environment};" \ 29 "name=misc,size=128K,uuid=${uuid_gpt_misc};" \ 30 "name=reserved,size=256K,uuid=${uuid_gpt_reserved};" \ 31 "name=efs,size=16M,uuid=${uuid_gpt_efs};" \ 32 "name=crypto,size=16K,uuid=${uuid_gpt_crypto};" \ 33 "name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \ 34 "name=boot,size=10M,uuid=${uuid_gpt_boot};" \ 35 "name=system,size=768M,uuid=${uuid_gpt_system};" \ 36 "name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \ 37 "name=cache,size=256M,uuid=${uuid_gpt_cache};" \ 38 "name=ipu1,size=1M,uuid=${uuid_gpt_ipu1};" \ 39 "name=ipu2,size=1M,uuid=${uuid_gpt_ipu2};" \ 40 "name=userdata,size=-,uuid=${uuid_gpt_userdata}" 41 #endif /* PARTS_DEFAULT */ 42 43 #define DEFAULT_COMMON_BOOT_TI_ARGS \ 44 "console=" CONSOLEDEV ",115200n8\0" \ 45 "fdtfile=undefined\0" \ 46 "bootpart=0:2\0" \ 47 "bootdir=/boot\0" \ 48 "bootfile=zImage\0" \ 49 "usbtty=cdc_acm\0" \ 50 "vram=16M\0" \ 51 "partitions=" PARTS_DEFAULT "\0" \ 52 "optargs=\0" \ 53 "dofastboot=0\0" \ 54 "emmc_linux_boot=" \ 55 "echo Trying to boot Linux from eMMC ...; " \ 56 "setenv mmcdev 1; " \ 57 "setenv bootpart 1:2; " \ 58 "setenv mmcroot /dev/mmcblk0p2 rw; " \ 59 "run mmcboot;\0" \ 60 "emmc_android_boot=" \ 61 "echo Trying to boot Android from eMMC ...; " \ 62 "run update_to_fit; " \ 63 "setenv eval_bootargs setenv bootargs $bootargs; " \ 64 "run eval_bootargs; " \ 65 "setenv mmcdev 1; " \ 66 "setenv machid fe6; " \ 67 "mmc dev $mmcdev; " \ 68 "mmc rescan; " \ 69 "part start mmc ${mmcdev} environment fdt_start; " \ 70 "part size mmc ${mmcdev} environment fdt_size; " \ 71 "part start mmc ${mmcdev} boot boot_start; " \ 72 "part size mmc ${mmcdev} boot boot_size; " \ 73 "mmc read ${fdtaddr} ${fdt_start} ${fdt_size}; " \ 74 "mmc read ${loadaddr} ${boot_start} ${boot_size}; " \ 75 "bootm ${loadaddr}#${fdtfile};\0 " 76 77 #ifdef CONFIG_OMAP54XX 78 79 #define DEFAULT_FDT_TI_ARGS \ 80 "findfdt="\ 81 "if test $board_name = omap5_uevm; then " \ 82 "setenv fdtfile omap5-uevm.dtb; fi; " \ 83 "if test $board_name = dra7xx; then " \ 84 "setenv fdtfile dra7-evm.dtb; fi;" \ 85 "if test $board_name = dra72x-revc; then " \ 86 "setenv fdtfile dra72-evm-revc.dtb; fi;" \ 87 "if test $board_name = dra72x; then " \ 88 "setenv fdtfile dra72-evm.dtb; fi;" \ 89 "if test $board_name = dra71x; then " \ 90 "setenv fdtfile dra71-evm.dtb; fi;" \ 91 "if test $board_name = dra76x_acd; then " \ 92 "setenv fdtfile dra76-evm.dtb; fi;" \ 93 "if test $board_name = beagle_x15; then " \ 94 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 95 "if test $board_name = beagle_x15_revb1; then " \ 96 "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \ 97 "if test $board_name = beagle_x15_revc; then " \ 98 "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \ 99 "if test $board_name = am572x_idk; then " \ 100 "setenv fdtfile am572x-idk.dtb; fi;" \ 101 "if test $board_name = am574x_idk; then " \ 102 "setenv fdtfile am574x-idk.dtb; fi;" \ 103 "if test $board_name = am57xx_evm; then " \ 104 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 105 "if test $board_name = am57xx_evm_reva3; then " \ 106 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \ 107 "if test $board_name = am571x_idk; then " \ 108 "setenv fdtfile am571x-idk.dtb; fi;" \ 109 "if test $fdtfile = undefined; then " \ 110 "echo WARNING: Could not determine device tree to use; fi; \0" 111 112 #define CONFIG_BOOTCOMMAND \ 113 "if test ${dofastboot} -eq 1; then " \ 114 "echo Boot fastboot requested, resetting dofastboot ...;" \ 115 "setenv dofastboot 0; saveenv;" \ 116 "echo Booting into fastboot ...; " \ 117 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \ 118 "fi;" \ 119 "if test ${boot_fit} -eq 1; then " \ 120 "run update_to_fit;" \ 121 "fi;" \ 122 "run findfdt; " \ 123 "run envboot; " \ 124 "run mmcboot;" \ 125 "run emmc_linux_boot; " \ 126 "run emmc_android_boot; " \ 127 "" 128 129 #endif /* CONFIG_OMAP54XX */ 130 131 #endif /* __TI_BOOT_H */ 132