From 0e9e7dcd10c4f0653252076ccc4289cfcf55c4b4 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Tue, 24 Jul 2012 20:39:17 +0000
Subject: adds target used by rapsberry pi

Add support for Raspberry Pi / brcm2708 / 2835

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

SVN-Revision: 32825
---
 target/linux/brcm2708/image/Makefile | 46 ++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 target/linux/brcm2708/image/Makefile

(limited to 'target/linux/brcm2708/image/Makefile')

diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile
new file mode 100644
index 0000000000..a8dbef1b81
--- /dev/null
+++ b/target/linux/brcm2708/image/Makefile
@@ -0,0 +1,46 @@
+# 
+# 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))
-- 
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