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openwrt-xburst/target/linux/brcm2708/image/Makefile
blogic 1df0438a5e [brcm2708] adds target used by rapsberry pi
Add support for Raspberry Pi / brcm2708 / 2835

Signed-off-by: Ian Ridge <ianridge [at] gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32825 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-07-24 20:39:17 +00:00

47 lines
1.9 KiB
Makefile

#
# Copyright (C) 2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
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) \
$(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
endef
define Image/Build
$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img
$(CP) $(KDIR)/Image $(BIN_DIR)/$(IMG_PREFIX)-Image
$(call Image/Build/RaspberryPi,$(1),128)
$(call Image/Build/RaspberryPi,$(1),192)
$(call Image/Build/RaspberryPi,$(1),224)
endef
$(eval $(call BuildImage))