u-boot-dey: add support for dualboot to boot scripts
The support for dualboot was integrated on meta-digi-dualboot layer, but it really depends only on environment variable 'dualboot' so we'd better integrate the support on the scripts in meta-digi, to avoid synchonization problems between both layers. This also allows to be able to easily enable dualboot in U-Boot with the variable, without needing to update the script on the linux partition. Signed-off-by: Hector Palacios <hector.palacios@digi.com>
This commit is contained in:
Hector Palacios
parent
91bfa01a52
commit
f00ce5ca9b
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@ -25,19 +25,70 @@ else
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fi
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fi
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
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if test "${dualboot}" = "yes"; then
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if test "${upgrade_available}" = "1"; then
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echo "Update detected; Booting new system (try ${bootcount})"
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if test "${bootcount}" = "${bootlimit}"; then
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echo "## Update failed; Rolling back to previous version."
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if test "${active_system}" = "linux_a"; then
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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setenv active_system linux_b
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else
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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setenv active_system linux_a
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fi
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setenv upgrade_available
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saveenv
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fi
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else
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if test "${active_system}" = "linux_a"; then
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echo "Booting from system A"
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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else
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echo "Booting from system B"
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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fi
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fi
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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fi
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fi
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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux mmc ${mmcbootdev}:${mmcpart}
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@ -53,19 +53,70 @@ else
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fi
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fi
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
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if test "${dualboot}" = "yes"; then
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if test "${upgrade_available}" = "1"; then
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echo "Update detected; Booting new system (try ${bootcount})"
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if test "${bootcount}" = "${bootlimit}"; then
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echo "## Update failed; Rolling back to previous version."
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if test "${active_system}" = "linux_a"; then
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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setenv active_system linux_b
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else
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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setenv active_system linux_a
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fi
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setenv upgrade_available
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saveenv
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fi
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else
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if test "${active_system}" = "linux_a"; then
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echo "Booting from system A"
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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else
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echo "Booting from system B"
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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fi
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fi
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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fi
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fi
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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux mmc ${mmcbootdev}:${mmcpart}
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@ -37,11 +37,45 @@ else
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fi
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fi
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if test "${mtdbootpart}" = "recovery"; then
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
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if test "${dualboot}" = "yes"; then
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if test "${upgrade_available}" = "1"; then
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echo "Update detected; Booting new system (try ${bootcount})"
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if test "${bootcount}" = "${bootlimit}"; then
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echo "## Update failed; Rolling back to previous version."
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if test "${mtdbootpart}" = "linux_a"; then
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setenv mtdbootpart linux_b
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setenv mtdlinuxindex ${mtdlinux_b_index}
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setenv mtdrootfsindex ${mtdrootfs_b_index}
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else
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setenv mtdbootpart linux_a
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setenv mtdlinuxindex ${mtdlinux_a_index}
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setenv mtdrootfsindex ${mtdrootfs_a_index}
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fi
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setenv active_system ${mtdbootpart}
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setenv upgrade_available
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saveenv
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fi
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else
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if test "${active_system}" = "linux_a"; then
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echo "Booting from system A"
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setenv mtdbootpart ${active_system}
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setenv mtdlinuxindex ${mtdlinux_a_index}
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setenv mtdrootfsindex ${mtdrootfs_a_index}
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else
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echo "Booting from system B"
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setenv mtdbootpart ${active_system}
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setenv mtdlinuxindex ${mtdlinux_b_index}
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setenv mtdrootfsindex ${mtdrootfs_b_index}
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fi
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fi
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else
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true
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if test "${mtdbootpart}" = "recovery"; then
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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else
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true
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fi
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fi
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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux nand ${mtdbootpart}
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@ -37,11 +37,45 @@ else
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fi
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fi
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if test "${mtdbootpart}" = "recovery"; then
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
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if test "${dualboot}" = "yes"; then
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if test "${upgrade_available}" = "1"; then
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echo "Update detected; Booting new system (try ${bootcount})"
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if test "${bootcount}" = "${bootlimit}"; then
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echo "## Update failed; Rolling back to previous version."
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if test "${mtdbootpart}" = "linux_a"; then
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setenv mtdbootpart linux_b
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setenv mtdlinuxindex ${mtdlinux_b_index}
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setenv mtdrootfsindex ${mtdrootfs_b_index}
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else
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setenv mtdbootpart linux_a
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setenv mtdlinuxindex ${mtdlinux_a_index}
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setenv mtdrootfsindex ${mtdrootfs_a_index}
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fi
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setenv active_system ${mtdbootpart}
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setenv upgrade_available
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saveenv
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fi
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else
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if test "${active_system}" = "linux_a"; then
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echo "Booting from system A"
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setenv mtdbootpart ${active_system}
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setenv mtdlinuxindex ${mtdlinux_a_index}
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setenv mtdrootfsindex ${mtdrootfs_a_index}
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else
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echo "Booting from system B"
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setenv mtdbootpart ${active_system}
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setenv mtdlinuxindex ${mtdlinux_b_index}
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setenv mtdrootfsindex ${mtdrootfs_b_index}
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fi
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fi
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else
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true
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if test "${mtdbootpart}" = "recovery"; then
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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else
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true
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fi
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fi
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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux nand ${mtdbootpart}
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@ -6,6 +6,19 @@
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setenv ORIG_overlays ${overlays}
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setenv ORIG_extra_bootargs ${extra_bootargs}
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# Set SOC type to "imx8mm" if not already defined by U-Boot
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if test ! -n "${soc_type}"; then
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setenv soc_type "imx8mm"
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fi
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# Reset overlays when using dualboot mode, because we need to
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# save the environment in case of an installation fall back.
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if test "${dual_boot}" = "yes"; then
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if test -n "${overlays}"; then
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setenv overlays
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fi
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fi
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#
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# Determine overlays to apply depending on the hardware capabilities
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# described by the HWID, SOM version, and carrier board version.
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@ -28,19 +41,70 @@ if test -n "${module_ram}"; then
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fi
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fi
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
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if test "${dualboot}" = "yes"; then
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if test "${upgrade_available}" = "1"; then
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echo "Update detected; Booting new system (try ${bootcount})"
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if test "${bootcount}" = "${bootlimit}"; then
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echo "## Update failed; Rolling back to previous version."
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if test "${active_system}" = "linux_a"; then
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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setenv active_system linux_b
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else
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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setenv active_system linux_a
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fi
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setenv upgrade_available
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saveenv
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fi
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else
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if test "${active_system}" = "linux_a"; then
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echo "Booting from system A"
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part number mmc ${mmcbootdev} linux_a pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_a_index
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part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
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# Save the rootfs_a UUID into mmcroot_a
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part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
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setenv mmcroot PARTUUID=${mmcroot_a}
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else
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echo "Booting from system B"
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part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
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part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
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# Save the rootfs_b UUID into mmcroot_b
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part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
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setenv mmcroot PARTUUID=${mmcroot_b}
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fi
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fi
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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# Get the UUID of the configured boot partition.
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part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
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# We are booting from the eMMC using 'recovery'.
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setenv boot_initrd true
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setenv initrd_file uramdisk-recovery.img
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else
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# We are booting from the SD card.
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setenv mmcroot /dev/mmcblk${mmcbootdev}p2
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fi
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fi
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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux mmc ${mmcbootdev}:${mmcpart}
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|
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@ -6,6 +6,19 @@
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setenv ORIG_overlays ${overlays}
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setenv ORIG_extra_bootargs ${extra_bootargs}
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|
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# Set SOC type to "imx8mn" if not already defined by U-Boot
|
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if test ! -n "${soc_type}"; then
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setenv soc_type "imx8mn"
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fi
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|
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# Reset overlays when using dualboot mode, because we need to
|
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# save the environment in case of an installation fall back.
|
||||
if test "${dual_boot}" = "yes"; then
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if test -n "${overlays}"; then
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setenv overlays
|
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fi
|
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fi
|
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|
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#
|
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# Determine overlays to apply depending on the hardware capabilities
|
||||
# described by the HWID, SOM version, and carrier board version.
|
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|
|
@ -37,19 +50,70 @@ if test "${board_version}" -lt "3"; then
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setenv overlays _ov_board_v1-v2_ccimx8mn-dvk.dtbo,${overlays}
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fi
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# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
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# Check the boot source.
|
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if test "${bootpart}" = "${part1_uuid}"; then
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# We are booting from the eMMC using 'linux'.
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true
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elif test "${bootpart}" = "${part2_uuid}"; then
|
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# We are booting from the eMMC using 'recovery'.
|
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setenv boot_initrd true
|
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setenv initrd_file uramdisk-recovery.img
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# Dual boot update verification
|
||||
if test "${dualboot}" = "yes"; then
|
||||
if test "${upgrade_available}" = "1"; then
|
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echo "Update detected; Booting new system (try ${bootcount})"
|
||||
if test "${bootcount}" = "${bootlimit}"; then
|
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echo "## Update failed; Rolling back to previous version."
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if test "${active_system}" = "linux_a"; then
|
||||
part number mmc ${mmcbootdev} linux_b pi
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setenv mmcpart ${pi}
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# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
setenv active_system linux_b
|
||||
else
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
setenv active_system linux_a
|
||||
fi
|
||||
setenv upgrade_available
|
||||
saveenv
|
||||
fi
|
||||
else
|
||||
if test "${active_system}" = "linux_a"; then
|
||||
echo "Booting from system A"
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_a_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
else
|
||||
echo "Booting from system B"
|
||||
part number mmc ${mmcbootdev} linux_b pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
fi
|
||||
fi
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
|
||||
# Check the boot source.
|
||||
if test "${bootpart}" = "${part1_uuid}"; then
|
||||
# We are booting from the eMMC using 'linux'.
|
||||
true
|
||||
elif test "${bootpart}" = "${part2_uuid}"; then
|
||||
# We are booting from the eMMC using 'recovery'.
|
||||
setenv boot_initrd true
|
||||
setenv initrd_file uramdisk-recovery.img
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
fi
|
||||
fi
|
||||
setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
|
||||
dboot linux mmc ${mmcbootdev}:${mmcpart}
|
||||
|
|
|
|||
|
|
@ -11,6 +11,14 @@ if test ! -n "${soc_type}"; then
|
|||
setenv soc_type "imx8qxp"
|
||||
fi
|
||||
|
||||
# Reset overlays when using dualboot mode, because we need to
|
||||
# save the environment in case of an installation fall back.
|
||||
if test "${dual_boot}" = "yes"; then
|
||||
if test -n "${overlays}"; then
|
||||
setenv overlays
|
||||
fi
|
||||
fi
|
||||
|
||||
#
|
||||
# Determine overlays to apply depending on the hardware capabilities
|
||||
# described by the HWID, SOM version, and carrier board version.
|
||||
|
|
@ -45,19 +53,70 @@ if test "${soc_type}" = "imx8qxp"; then
|
|||
setenv overlays _ov_som_quad_ccimx8x.dtbo,${overlays}
|
||||
fi
|
||||
|
||||
# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
|
||||
# Check the boot source.
|
||||
if test "${bootpart}" = "${part1_uuid}"; then
|
||||
# We are booting from the eMMC using 'linux'.
|
||||
true
|
||||
elif test "${bootpart}" = "${part2_uuid}"; then
|
||||
# We are booting from the eMMC using 'recovery'.
|
||||
setenv boot_initrd true
|
||||
setenv initrd_file uramdisk-recovery.img
|
||||
# Dual boot update verification
|
||||
if test "${dualboot}" = "yes"; then
|
||||
if test "${upgrade_available}" = "1"; then
|
||||
echo "Update detected; Booting new system (try ${bootcount})"
|
||||
if test "${bootcount}" = "${bootlimit}"; then
|
||||
echo "## Update failed; Rolling back to previous version."
|
||||
if test "${active_system}" = "linux_a"; then
|
||||
part number mmc ${mmcbootdev} linux_b pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
setenv active_system linux_b
|
||||
else
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_a_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
setenv active_system linux_a
|
||||
fi
|
||||
setenv upgrade_available
|
||||
saveenv
|
||||
fi
|
||||
else
|
||||
if test "${active_system}" = "linux_a"; then
|
||||
echo "Booting from system A"
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_a_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
else
|
||||
echo "Booting from system B"
|
||||
part number mmc ${mmcbootdev} linux_b pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
fi
|
||||
fi
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
|
||||
# Check the boot source.
|
||||
if test "${bootpart}" = "${part1_uuid}"; then
|
||||
# We are booting from the eMMC using 'linux'.
|
||||
true
|
||||
elif test "${bootpart}" = "${part2_uuid}"; then
|
||||
# We are booting from the eMMC using 'recovery'.
|
||||
setenv boot_initrd true
|
||||
setenv initrd_file uramdisk-recovery.img
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
fi
|
||||
fi
|
||||
setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
|
||||
dboot linux mmc ${mmcbootdev}:${mmcpart}
|
||||
|
|
|
|||
|
|
@ -11,6 +11,14 @@ if test ! -n "${soc_type}"; then
|
|||
setenv soc_type "imx8qxp"
|
||||
fi
|
||||
|
||||
# Reset overlays when using dualboot mode, because we need to
|
||||
# save the environment in case of an installation fall back.
|
||||
if test "${dual_boot}" = "yes"; then
|
||||
if test -n "${overlays}"; then
|
||||
setenv overlays
|
||||
fi
|
||||
fi
|
||||
|
||||
#
|
||||
# Determine overlays to apply depending on the hardware capabilities
|
||||
# described by the HWID, SOM version, and carrier board version.
|
||||
|
|
@ -50,19 +58,70 @@ if test "${board_version}" -le "3"; then
|
|||
setenv overlays _ov_board_v1-v3_ccimx8x-sbc-pro.dtbo,${overlays}
|
||||
fi
|
||||
|
||||
# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
|
||||
# Check the boot source.
|
||||
if test "${bootpart}" = "${part1_uuid}"; then
|
||||
# We are booting from the eMMC using 'linux'.
|
||||
true
|
||||
elif test "${bootpart}" = "${part2_uuid}"; then
|
||||
# We are booting from the eMMC using 'recovery'.
|
||||
setenv boot_initrd true
|
||||
setenv initrd_file uramdisk-recovery.img
|
||||
# Dual boot update verification
|
||||
if test "${dualboot}" = "yes"; then
|
||||
if test "${upgrade_available}" = "1"; then
|
||||
echo "Update detected; Booting new system (try ${bootcount})"
|
||||
if test "${bootcount}" = "${bootlimit}"; then
|
||||
echo "## Update failed; Rolling back to previous version."
|
||||
if test "${active_system}" = "linux_a"; then
|
||||
part number mmc ${mmcbootdev} linux_b pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
setenv active_system linux_b
|
||||
else
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_a_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
setenv active_system linux_a
|
||||
fi
|
||||
setenv upgrade_available
|
||||
saveenv
|
||||
fi
|
||||
else
|
||||
if test "${active_system}" = "linux_a"; then
|
||||
echo "Booting from system A"
|
||||
part number mmc ${mmcbootdev} linux_a pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_a_index
|
||||
part number mmc ${mmcbootdev} rootfs_a rootfs_a_index
|
||||
# Save the rootfs_a UUID into mmcroot_a
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_a_index} mmcroot_a
|
||||
setenv mmcroot PARTUUID=${mmcroot_a}
|
||||
else
|
||||
echo "Booting from system B"
|
||||
part number mmc ${mmcbootdev} linux_b pi
|
||||
setenv mmcpart ${pi}
|
||||
# Save the partition index on variable rootfs_b_index
|
||||
part number mmc ${mmcbootdev} rootfs_b rootfs_b_index
|
||||
# Save the rootfs_b UUID into mmcroot_b
|
||||
part uuid mmc ${mmcbootdev}:${rootfs_b_index} mmcroot_b
|
||||
setenv mmcroot PARTUUID=${mmcroot_b}
|
||||
fi
|
||||
fi
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
# Get the UUID of the configured boot partition.
|
||||
part uuid mmc ${mmcbootdev}:${mmcpart} bootpart
|
||||
# Check the boot source.
|
||||
if test "${bootpart}" = "${part1_uuid}"; then
|
||||
# We are booting from the eMMC using 'linux'.
|
||||
true
|
||||
elif test "${bootpart}" = "${part2_uuid}"; then
|
||||
# We are booting from the eMMC using 'recovery'.
|
||||
setenv boot_initrd true
|
||||
setenv initrd_file uramdisk-recovery.img
|
||||
else
|
||||
# We are booting from the SD card.
|
||||
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
||||
fi
|
||||
fi
|
||||
setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
|
||||
dboot linux mmc ${mmcbootdev}:${mmcpart}
|
||||
|
|
|
|||
Loading…
Reference in New Issue