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https://github.com/AsahiLinux/u-boot
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72cefbafbf
Since Android 10, we are required to use a "dtbo" partition which includes the various device-tree overlays [1]. It's also possible to provide a "dtb" partition. This is supported via the "abootimg" command. On Yukawa, the assumption is that we have only a "dtbo" partition, which includes all board dtbs and their dtbos [2] [1] https://source.android.com/devices/architecture/dto/partitions [2] https://android.googlesource.com/device/amlogic/yukawa/+/refs/heads/master/build/tasks/dtimages.mk#16 Signed-off-by: Guillaume La Roque <glaroque@baylibre.com> Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
281 lines
9.2 KiB
C
281 lines
9.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Configuration for Android Amlogic Meson 64bits SoCs
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*
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* Copyright (C) 2019 Baylibre, SAS
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* Author: Jerome Brunet <jbrunet@baylibre.com>
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*/
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#ifndef __MESON64_ANDROID_CONFIG_H
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#define __MESON64_ANDROID_CONFIG_H
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#include <linux/sizes.h>
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#define CONFIG_SYS_MALLOC_LEN SZ_128M
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#ifndef BOOT_PARTITION
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#define BOOT_PARTITION "boot"
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#endif
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#ifndef LOGO_PARTITION
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#define LOGO_PARTITION "logo"
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#endif
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#ifndef CONTROL_PARTITION
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#define CONTROL_PARTITION "misc"
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#endif
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#if defined(CONFIG_CMD_AVB)
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#define AVB_VERIFY_CHECK \
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"if test \"${force_avb}\" -eq 1; then " \
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"if run avb_verify; then " \
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"echo AVB verification OK.;" \
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"setenv bootargs \"$bootargs $avb_bootargs\";" \
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"else " \
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"echo AVB verification failed.;" \
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"exit; fi;" \
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"else " \
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"setenv bootargs \"$bootargs androidboot.verifiedbootstate=orange\";" \
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"echo Running without AVB...; "\
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"fi;"
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#define AVB_VERIFY_CMD "avb_verify=avb init ${mmcdev}; avb verify $slot_suffix;\0"
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#else
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#define AVB_VERIFY_CHECK ""
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#define AVB_VERIFY_CMD ""
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#endif
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#if defined(CONFIG_CMD_AB_SELECT)
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#define ANDROIDBOOT_GET_CURRENT_SLOT_CMD "get_current_slot=" \
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"if part number mmc ${mmcdev} " CONTROL_PARTITION " control_part_number; " \
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"then " \
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"echo " CONTROL_PARTITION \
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" partition number:${control_part_number};" \
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"ab_select current_slot mmc ${mmcdev}:${control_part_number};" \
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"else " \
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"echo " CONTROL_PARTITION " partition not found;" \
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"fi;\0"
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#define AB_SELECT_SLOT \
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"run get_current_slot; " \
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"if test -e \"${current_slot}\"; " \
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"then " \
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"setenv slot_suffix _${current_slot}; " \
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"else " \
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"echo current_slot not found;" \
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"exit;" \
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"fi;"
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#define AB_SELECT_ARGS \
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"setenv bootargs_ab androidboot.slot_suffix=${slot_suffix}; " \
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"echo A/B cmdline addition: ${bootargs_ab};" \
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"setenv bootargs ${bootargs} ${bootargs_ab};"
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#define AB_BOOTARGS " androidboot.force_normal_boot=1"
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#define RECOVERY_PARTITION "boot"
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#else
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#define AB_SELECT_SLOT ""
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#define AB_SELECT_ARGS " "
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#define ANDROIDBOOT_GET_CURRENT_SLOT_CMD ""
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#define AB_BOOTARGS " "
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#define RECOVERY_PARTITION "recovery"
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#endif
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#if defined(CONFIG_CMD_ABOOTIMG)
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/*
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* Prepares complete device tree blob for current board (for Android boot).
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*
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* Boot image or recovery image should be loaded into $loadaddr prior to running
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* these commands. The logic of these commnads is next:
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*
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* 1. Read correct DTB for current SoC/board from boot image in $loadaddr
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* to $fdtaddr
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* 2. Merge all needed DTBO for current board from 'dtbo' partition into read
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* DTB
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* 3. User should provide $fdtaddr as 3rd argument to 'bootm'
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*/
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#define PREPARE_FDT \
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"echo Preparing FDT...; " \
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"if test $board_name = sei510; then " \
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"echo \" Reading DTB for sei510...\"; " \
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"setenv dtb_index 0;" \
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"elif test $board_name = sei610; then " \
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"echo \" Reading DTB for sei610...\"; " \
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"setenv dtb_index 1;" \
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"else " \
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"echo Error: Android boot is not supported for $board_name; " \
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"exit; " \
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"fi; " \
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"abootimg get dtb --index=$dtb_index dtb_start dtb_size; " \
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"cp.b $dtb_start $fdt_addr_r $dtb_size; " \
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"fdt addr $fdt_addr_r 0x80000; " \
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"if test $board_name = sei510; then " \
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"echo \" Reading DTBO for sei510...\"; " \
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"setenv dtbo_index 0;" \
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"elif test $board_name = sei610; then " \
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"echo \" Reading DTBO for sei610...\"; " \
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"setenv dtbo_index 1;" \
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"else " \
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"echo Error: Android boot is not supported for $board_name; " \
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"exit; " \
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"fi; " \
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"part start mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_start; " \
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"part size mmc ${mmcdev} dtbo${slot_suffix} p_dtbo_size; " \
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"mmc read ${dtboaddr} ${p_dtbo_start} ${p_dtbo_size}; " \
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"echo \" Applying DTBOs...\"; " \
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"adtimg addr $dtboaddr; " \
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"adtimg get dt --index=$dtbo_index dtbo0_addr; " \
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"fdt apply $dtbo0_addr;" \
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"setenv bootargs \"$bootargs androidboot.dtbo_idx=$dtbo_index \";"\
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#define BOOT_CMD "bootm ${loadaddr} ${loadaddr} ${fdt_addr_r};"
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#else
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#define PREPARE_FDT " "
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#define BOOT_CMD "bootm ${loadaddr};"
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#endif
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#define BOOTENV_DEV_FASTBOOT(devtypeu, devtypel, instance) \
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"bootcmd_fastboot=" \
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"setenv run_fastboot 0;" \
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"if test \"${boot_source}\" = \"usb\"; then " \
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"echo Fastboot forced by usb rom boot;" \
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"setenv run_fastboot 1;" \
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"fi;" \
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"if gpt verify mmc ${mmcdev} ${partitions}; then; " \
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"else " \
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"echo Broken MMC partition scheme;" \
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"setenv run_fastboot 1;" \
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"fi;" \
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"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
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CONTROL_PARTITION "; then " \
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"if bcb test command = bootonce-bootloader; then " \
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"echo BCB: Bootloader boot...; " \
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"bcb clear command; bcb store; " \
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"setenv run_fastboot 1;" \
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"fi; " \
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"if bcb test command = boot-fastboot; then " \
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"echo BCB: fastboot userspace boot...; " \
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"setenv force_recovery 1;" \
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"fi; " \
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"else " \
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"echo Warning: BCB is corrupted or does not exist; " \
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"fi;" \
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"if test \"${run_fastboot}\" -eq 1; then " \
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"echo Running Fastboot...;" \
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"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
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"fi\0"
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#define BOOTENV_DEV_NAME_FASTBOOT(devtypeu, devtypel, instance) \
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"fastboot "
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#define BOOTENV_DEV_RECOVERY(devtypeu, devtypel, instance) \
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"bootcmd_recovery=" \
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"pinmux dev pinctrl@14;" \
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"pinmux dev pinctrl@40;" \
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"setenv run_recovery 0;" \
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"if run check_button; then " \
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"echo Recovery button is pressed;" \
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"setenv run_recovery 1;" \
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"fi; " \
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"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
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CONTROL_PARTITION "; then " \
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"if bcb test command = boot-recovery; then " \
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"echo BCB: Recovery boot...; " \
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"setenv run_recovery 1;" \
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"fi;" \
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"else " \
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"echo Warning: BCB is corrupted or does not exist; " \
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"fi;" \
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"if test \"${skip_recovery}\" -eq 1; then " \
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"echo Recovery skipped by environment;" \
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"setenv run_recovery 0;" \
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"fi;" \
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"if test \"${force_recovery}\" -eq 1; then " \
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"echo Recovery forced by environment;" \
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"setenv run_recovery 1;" \
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"fi;" \
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"if test \"${run_recovery}\" -eq 1; then " \
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"echo Running Recovery...;" \
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"mmc dev ${mmcdev};" \
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"setenv bootargs \"${bootargs} androidboot.serialno=${serial#}\";" \
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AB_SELECT_SLOT \
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AB_SELECT_ARGS \
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AVB_VERIFY_CHECK \
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"part start mmc ${mmcdev} " RECOVERY_PARTITION "${slot_suffix} boot_start;" \
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"part size mmc ${mmcdev} " RECOVERY_PARTITION "${slot_suffix} boot_size;" \
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"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
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PREPARE_FDT \
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"echo Running Android Recovery...;" \
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BOOT_CMD \
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"fi;" \
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"echo Failed to boot Android...;" \
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"reset;" \
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"fi\0"
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#define BOOTENV_DEV_NAME_RECOVERY(devtypeu, devtypel, instance) \
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"recovery "
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#define BOOTENV_DEV_SYSTEM(devtypeu, devtypel, instance) \
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"bootcmd_system=" \
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"echo Loading Android " BOOT_PARTITION " partition...;" \
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"mmc dev ${mmcdev};" \
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"setenv bootargs ${bootargs} androidboot.serialno=${serial#};" \
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AB_SELECT_SLOT \
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AB_SELECT_ARGS \
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AVB_VERIFY_CHECK \
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"part start mmc ${mmcdev} " BOOT_PARTITION "${slot_suffix} boot_start;" \
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"part size mmc ${mmcdev} " BOOT_PARTITION "${slot_suffix} boot_size;" \
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"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
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PREPARE_FDT \
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"setenv bootargs \"${bootargs} " AB_BOOTARGS "\" ; " \
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"echo Running Android...;" \
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BOOT_CMD \
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"fi;" \
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"echo Failed to boot Android...;" \
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"reset\0"
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#define BOOTENV_DEV_NAME_SYSTEM(devtypeu, devtypel, instance) \
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"system "
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#define BOOT_TARGET_DEVICES(func) \
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func(FASTBOOT, fastboot, na) \
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func(RECOVERY, recovery, na) \
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func(SYSTEM, system, na) \
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#define PREBOOT_LOAD_LOGO \
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"if test \"${boot_source}\" != \"usb\" && " \
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"gpt verify mmc ${mmcdev} ${partitions}; then; " \
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"mmc dev ${mmcdev};" \
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"part start mmc ${mmcdev} " LOGO_PARTITION " boot_start;" \
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"part size mmc ${mmcdev} " LOGO_PARTITION " boot_size;" \
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"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
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"bmp display ${loadaddr} m m;" \
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"fi;" \
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"fi;"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"partitions=" PARTS_DEFAULT "\0" \
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"mmcdev=2\0" \
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ANDROIDBOOT_GET_CURRENT_SLOT_CMD \
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AVB_VERIFY_CMD \
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"force_avb=0\0" \
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"gpio_recovery=88\0" \
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"check_button=gpio input ${gpio_recovery};test $? -eq 0;\0" \
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"load_logo=" PREBOOT_LOAD_LOGO "\0" \
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"stdin=" STDIN_CFG "\0" \
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"stdout=" STDOUT_CFG "\0" \
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"stderr=" STDOUT_CFG "\0" \
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"dtboaddr=0x08200000\0" \
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"loadaddr=0x01080000\0" \
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"fdt_addr_r=0x01000000\0" \
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"scriptaddr=0x08000000\0" \
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"kernel_addr_r=0x01080000\0" \
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"pxefile_addr_r=0x01080000\0" \
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"ramdisk_addr_r=0x13000000\0" \
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"fdtfile=amlogic/" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
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BOOTENV
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#include <configs/meson64.h>
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#endif /* __MESON64_ANDROID_CONFIG_H */
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