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BCM4908 bootloader requires firmware with JFFS2 image containing: 1. cferam.000 2. 94908.dtb 3. vmlinux.lz 4. device custom files cferam.000 can be obtained from the bcm63xx-cfe repository. device custom files are stored in images dir. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
60 lines
1.6 KiB
Makefile
60 lines
1.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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define Build/bcm4908lzma
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$(STAGING_DIR_HOST)/bin/lzma e -lc1 -lp2 -pb2 -d22 $@ $@.new
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mv $@.new $@
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endef
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define Build/bcm4908kernel
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$(STAGING_DIR_HOST)/bin/bcm4908kernel -i $@ -o $@.new
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mv $@.new $@
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endef
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define Build/bcm4908img
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rm -fr $@-bootfs
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mkdir -p $@-bootfs
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cp -r $(DEVICE_NAME)/* $@-bootfs/
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touch $@-bootfs/1-dummy
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cp $(DTS_DIR)/$(firstword $(DEVICE_DTS)).dtb $@-bootfs/94908.dtb
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cp $(KDIR)/bcm63xx-cfe/$(subst _,$(comma),$(DEVICE_NAME))/cferam.000 $@-bootfs/
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cp $(IMAGE_KERNEL) $@-bootfs/vmlinux.lz
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$(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad --little-endian --squash-uids -v -e 128KiB -o $@-bootfs.jffs2 -d $@-bootfs -m none -n
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$(STAGING_DIR_HOST)/bin/bcm4908img create $@ -f $@-bootfs.jffs2
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endef
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define Device/Default
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KERNEL := kernel-bin | bcm4908lzma | bcm4908kernel
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KERNEL_DEPENDS = $$(wildcard $(DTS_DIR)/$$(DEVICE_DTS).dts)
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KERNEL_INITRAMFS_SUFFIX := .bin
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KERNEL_INITRAMFS := kernel-bin | bcm4908lzma | bcm4908kernel
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FILESYSTEMS := squashfs
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KERNEL_NAME := Image
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IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
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BLOCKSIZE := 128k
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PAGESIZE := 2048
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endef
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define Device/asus_gt-ac5300
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DEVICE_VENDOR := Asus
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DEVICE_MODEL := GT-AC5300
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DEVICE_DTS := broadcom/bcm4908/bcm4908-asus-gt-ac5300
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IMAGES := bin
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IMAGE/bin := bcm4908img
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endef
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TARGET_DEVICES += asus_gt-ac5300
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define Device/netgear_r8000p
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DEVICE_VENDOR := Netgear
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DEVICE_MODEL := R8000P
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DEVICE_DTS := broadcom/bcm4908/bcm4906-netgear-r8000p
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IMAGES := bin
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IMAGE/bin := bcm4908img
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endef
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TARGET_DEVICES += netgear_r8000p
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$(eval $(call BuildImage))
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