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openwrt/target/linux/imx/image/common.mk
Lech Perczak f987887e14 imx: create sdcard image recipe with raw U-Boot
Most i.MX boards booting off eMMC or SD cards use raw U-Boot located at
69 kB offset from beginning of the device - create a recipe for such
image.

Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
2022-07-11 14:18:40 +02:00

62 lines
1.4 KiB
Makefile

define Build/imx-combined-image-prepare
rm -rf $@.boot
mkdir -p $@.boot
endef
define Build/imx-combined-image-clean
rm -rf $@.boot $@.fs
endef
define Build/imx-combined-image
$(CP) $(IMAGE_KERNEL) $@.boot/uImage
$(foreach dts,$(DEVICE_DTS), \
$(CP) \
$(DTS_DIR)/$(dts).dtb \
$@.boot/;
)
mkimage -A arm -O linux -T script -C none -a 0 -e 0 \
-n '$(DEVICE_ID) OpenWrt bootscript' \
-d bootscript-$(DEVICE_NAME) \
$@.boot/boot.scr
cp $@ $@.fs
$(SCRIPT_DIR)/gen_image_generic.sh $@ \
$(CONFIG_TARGET_KERNEL_PARTSIZE) \
$@.boot \
$(CONFIG_TARGET_ROOTFS_PARTSIZE) \
$@.fs \
1024
endef
define Build/imx-sdcard
$(Build/imx-combined-image-prepare)
if [ -f $(STAGING_DIR_IMAGE)/$(UBOOT)-u-boot.img ]; then \
$(CP) $(STAGING_DIR_IMAGE)/$(UBOOT)-u-boot.img \
$@.boot/u-boot.img; \
fi
if [ -f $(STAGING_DIR_IMAGE)/$(UBOOT)-u-boot-dtb.img ]; then \
$(CP) $(STAGING_DIR_IMAGE)/$(UBOOT)-u-boot-dtb.img \
$@.boot/u-boot-dtb.img; \
fi
$(Build/imx-combined-image)
dd if=$(STAGING_DIR_IMAGE)/$(UBOOT)-SPL of=$@ bs=1024 seek=1 conv=notrunc
$(Build/imx-combined-image-clean)
endef
define Build/imx-sdcard-raw-uboot
$(Build/imx-combined-image-prepare)
$(Build/imx-combined-image)
dd if=$(STAGING_DIR_IMAGE)/$(UBOOT)-SPL of=$@ bs=1024 seek=1 conv=notrunc
dd if=$(STAGING_DIR_IMAGE)/$(UBOOT)-u-boot-dtb.img of=$@ bs=1024 seek=69 conv=notrunc
$(Build/imx-combined-image-clean)
endef