boot.h 8.1 KB

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