apm821xx: make it possible to update the dtb partition on the WNDR4700
Currently, the device-tree partition is marked as read-only. Hence, userspace tools like mtd can't write into the partition. This however will be necessary in case the DTB needs to be updated. This patch also adds the kernel.dtb image, so the compiled DTB is exported as a file and available in the binary directory along the firmware images. Note: the u-boot does expects the dtb to be a uimage. To update the dtb manually: 1. copy the generated dtb to the router. 2. mtd erase /dev/mtd2 3. mtd write wndr4700.dtb /dev/mtd2 Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
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parent
468735c3a2
commit
49856a4bb5
2 changed files with 6 additions and 6 deletions
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@ -171,7 +171,6 @@
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partition0,2@0x00180000 {
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partition0,2@0x00180000 {
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label = "device-tree";
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label = "device-tree";
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reg = <0x00180000 0x00020000>;
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reg = <0x00180000 0x00020000>;
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read-only;
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};
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};
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partition0,3@0x001a0000 {
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partition0,3@0x001a0000 {
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@ -22,6 +22,10 @@ define Build/dtb
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$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb,,--space $(DTB_SIZE))
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$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb,,--space $(DTB_SIZE))
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endef
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endef
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define Build/export-dtb
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cp $(IMAGE_KERNEL).dtb $@
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endef
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ifeq ($(SUBTARGET),nand)
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ifeq ($(SUBTARGET),nand)
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define Image/cpiogz
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define Image/cpiogz
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@ -186,13 +190,14 @@ define Device/WNDR4700
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BLOCKSIZE := 128k
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BLOCKSIZE := 128k
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DTB_SIZE := 131008
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DTB_SIZE := 131008
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IMAGE_SIZE := 24960k
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IMAGE_SIZE := 24960k
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IMAGES := factory.img sysupgrade.tar
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IMAGES := factory.img sysupgrade.tar kernel.dtb
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KERNEL_SIZE := 1920k
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KERNEL_SIZE := 1920k
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KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | append-fakerootfs
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KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | append-fakerootfs
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KERNEL_INITRAMFS := kernel-bin | gzip | dtb | wndr4700-specialImage gzip
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KERNEL_INITRAMFS := kernel-bin | gzip | dtb | wndr4700-specialImage gzip
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IMAGE/factory.img := create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
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IMAGE/factory.img := create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
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netgear-dni | check-size $$$$(IMAGE_SIZE)
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netgear-dni | check-size $$$$(IMAGE_SIZE)
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IMAGE/sysupgrade.tar := sysupgrade-tar
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IMAGE/sysupgrade.tar := sysupgrade-tar
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IMAGE/kernel.dtb := export-dtb | uImage none
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NETGEAR_BOARD_ID := WNDR4700
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NETGEAR_BOARD_ID := WNDR4700
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NETGEAR_HW_ID := 29763875+128+256
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NETGEAR_HW_ID := 29763875+128+256
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UBINIZE_OPTS := -E 5
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UBINIZE_OPTS := -E 5
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@ -230,10 +235,6 @@ define Build/hdd-img
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$(if $(CONFIG_TARGET_IMAGES_GZIP),gzip -9n -c $@ > $(BIN_DIR)/$(notdir $@).gz)
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$(if $(CONFIG_TARGET_IMAGES_GZIP),gzip -9n -c $@ > $(BIN_DIR)/$(notdir $@).gz)
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endef
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endef
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define Build/export-dtb
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cp $(IMAGE_KERNEL).dtb $@
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endef
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define Device/MyBookLiveDefault
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define Device/MyBookLiveDefault
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IMAGE_SIZE := 48m
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IMAGE_SIZE := 48m
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BLOCKSIZE := 1k
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BLOCKSIZE := 1k
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