48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
#
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# U-Boot bootscript for EMMC/SD images created by Yocto.
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#
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# Back up environment variables
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setenv ORIG_extra_bootargs ${extra_bootargs}
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#
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# Set device tree filename depending on the board ID (if defined)
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#
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if test -n "${board_id}"; then
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setenv fdt_file imx6qp-ccimx6qpsbc-id${board_id}.dtb
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else
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#
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# Set device tree filename depending on the hardware variant
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#
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if test "${module_variant}" = "0x01"; then
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setenv fdt_file imx6qp-ccimx6qpsbc-wb.dtb
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else
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setenv fdt_file imx6qp-ccimx6qpsbc-wb.dtb
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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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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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setenv extra_bootargs fbcon=logo-pos:center ${extra_bootargs}
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dboot linux mmc ${mmcbootdev}:${mmcpart}
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# We only get here in case of an error on the dboot command.
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# Undo changes to environment variables
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setenv extra_bootargs ${ORIG_extra_bootargs}
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setenv ORIG_extra_bootargs
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