brcm2708: Implement sysupgrade

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / image / Makefile

diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile
index a8dbef1b8133b47b56c4c3fd3a33c6cdd6bdc1f5..53716e0d773943945343364c9550747df4d08f16 100644 (file)
--- a/target/linux/brcm2708/image/Makefile
+++ b/target/linux/brcm2708/image/Makefile
@@ -1,5 +1,5 @@
 # 
-# Copyright (C) 2012 OpenWrt.org
+# Copyright (C) 2012-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,39 +8,73 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 include $(INCLUDE_DIR)/host.mk
 
-define Image/Prepare
-       cp $(LINUX_DIR)/arch/arm/boot/Image $(KDIR)/Image
-endef
-
 FAT32_BLOCK_SIZE=1024
 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
 
-define Image/Build/RaspberryPi
-       rm -f $(KDIR)/boot.img
-
-       mkdosfs $(KDIR)/boot.img -C $(FAT32_BLOCKS)
-       # Raspberry Pi has no bootloader, instead the GPU loads and starts the kernel
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/arm128_start.elf ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/arm192_start.elf ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/arm224_start.elf ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/bootcode.bin ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/COPYING.linux ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/LICENCE.broadcom ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/loader.bin ::
-       mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/arm$(2)_start.elf ::start.elf  #Copy file for memory/gpu division
-       mcopy -i $(KDIR)/boot.img cmdline.txt ::
-       mcopy -i $(KDIR)/boot.img $(KDIR)/Image ::kernel.img  # Copy OpenWrt built kernel
-       ./gen_rpi_sdcard_img.sh $(BIN_DIR)/$(IMG_PREFIX)-sdcard-vfat-$(1)_$(2).img $(KDIR)/boot.img $(KDIR)/root.$(1) \
+### Image scripts ###
+define Build/build-dtb
+       $(LINUX_DIR)/scripts/dtc/dtc -O dtb -o $@.dtb $(DTS_DIR)/$(DEVICE_DTS).dts
+endef
+
+define Build/gen-cfg
+       cat config.txt > $@.config
+       echo -e "\ndevice_tree=$(DEVICE_DTS).dtb" >> $@.config
+endef
+
+define Build/boot-img
+       rm -f $@.boot
+       mkfs.fat -C $@.boot $(FAT32_BLOCKS)
+       mcopy -i $@.boot $(KDIR)/bootcode.bin ::
+       mcopy -i $@.boot $(KDIR)/COPYING.linux ::
+       mcopy -i $@.boot $(KDIR)/LICENCE.broadcom ::
+       mcopy -i $@.boot $(KDIR)/start.elf ::
+       mcopy -i $@.boot $(KDIR)/start_cd.elf ::
+       mcopy -i $@.boot $(KDIR)/fixup.dat ::
+       mcopy -i $@.boot $(KDIR)/fixup_cd.dat ::
+       mcopy -i $@.boot cmdline.txt ::
+       mcopy -i $@.boot $@.config ::config.txt
+       mcopy -i $@.boot $(word 1,$^) ::kernel.img
+       mcopy -i $@.boot $@.dtb ::$(DEVICE_DTS).dtb
+endef
+
+define Build/sdcard-img
+       ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
                $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+  ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
+       gzip -k -f9 $(BIN_DIR)/$(IMG_PREFIX)-sdcard-vfat-$(1).img
+  endif
 endef
 
-define Image/Build
-       $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img
-       $(CP) $(KDIR)/Image $(BIN_DIR)/$(IMG_PREFIX)-Image
+### Device macros ###
+define Device/Default
+  FILESYSTEMS := ext4
+  PROFILES = Default $$(DEVICE_PROFILE)
+  KERNEL := kernel-bin
+  IMAGES := sdcard.bin
+  IMAGE/sdcard.bin := build-dtb | gen-cfg | boot-img | sdcard-img
+  DEVICE_PROFILE :=
+  DEVICE_NAME :=
+  DEVICE_DTS :=
+endef
+DEVICE_VARS += DEVICE_PROFILE DEVICE_NAME DEVICE_DTS
 
-       $(call Image/Build/RaspberryPi,$(1),128)
-       $(call Image/Build/RaspberryPi,$(1),192)
-       $(call Image/Build/RaspberryPi,$(1),224)
+# $(1) = profile
+# $(2) = image name
+# $(3) = dts
+define add_bcm2708
+  define Device/$(2)
+    DEVICE_PROFILE := $(1)
+    DEVICE_NAME := $(2)
+    DEVICE_DTS := $(3)
+  endef
+  TARGET_DEVICES += $(2)
 endef
 
+# Raspberry Pi Model B
+$(eval $(call add_bcm2708,RaspberryPi,rpi-b,bcm2708-rpi-b))
+# Raspberry Pi Model B+
+$(eval $(call add_bcm2708,RaspberryPi,rpi-b-plus,bcm2708-rpi-b-plus))
+# Raspberry Pi 2 Model B
+$(eval $(call add_bcm2708,RaspberryPi2,rpi-2-b,bcm2709-rpi-2-b))
+
 $(eval $(call BuildImage))