68 lines
1.7 KiB
Plaintext
68 lines
1.7 KiB
Plaintext
#
|
|
# U-Boot bootscript for EMMC/SD images created by Yocto.
|
|
#
|
|
|
|
# Set SOC type to "imx8qxp" if not already defined by U-Boot
|
|
if test ! -n "${soc_type}"; then
|
|
setenv soc_type "imx8qxp"
|
|
fi
|
|
|
|
#
|
|
# Set the base device tree filename
|
|
#
|
|
setenv fdt_file ccimx8x-sbc-express.dtb
|
|
|
|
#
|
|
# Set predetermined overlays for specific board IDs
|
|
#
|
|
if test "${board_id}" = "129"; then
|
|
setenv overlays ccimx8x_ov_bt.dtbo,ccimx8x_ov_wifi.dtbo,${overlays}
|
|
else
|
|
#
|
|
# Set overlays depending on the hardware capabilities
|
|
#
|
|
if test -n "${module_ram}"; then
|
|
setexpr module_has_wifi ${hwid_3} \& 1
|
|
setexpr module_has_bt ${hwid_3} \& 2
|
|
setexpr module_has_bt ${module_has_bt} / 2
|
|
|
|
if test "${module_has_bt}" = "1"; then
|
|
setenv overlays ccimx8x_ov_bt.dtbo,${overlays}
|
|
fi
|
|
|
|
if test "${module_has_wifi}" = "1"; then
|
|
setenv overlays ccimx8x_ov_wifi.dtbo,${overlays}
|
|
fi
|
|
else
|
|
#
|
|
# Set overlays depending on the hardware variant
|
|
#
|
|
if test "${module_variant}" = "0x01" ||
|
|
test "${module_variant}" = "0x02" ||
|
|
test "${module_variant}" = "0x04"; then
|
|
setenv overlays ccimx8x_ov_bt.dtbo,ccimx8x_ov_wifi.dtbo,${overlays}
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Apply QXP overlay if the SOC type is "imx8qxp"
|
|
if test "${soc_type}" = "imx8qxp""; then
|
|
setenv overlays ccimx8x_ov_qxp.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
|
|
else
|
|
# We are booting from the SD card.
|
|
setenv mmcroot /dev/mmcblk${mmcbootdev}p2
|
|
fi
|
|
dboot linux mmc ${mmcbootdev}:${mmcpart}
|