target/linux/brcm2708/image/Makefile

   1 #
   2 # Copyright (C) 2012-2015 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9 include $(INCLUDE_DIR)/host.mk
  10
  11 FAT32_BLOCK_SIZE=1024
  12 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
  13
  14 define Image/Build/RaspberryPi
  15         rm -f $(KDIR)/boot.img
  16
  17         mkdosfs -C $(KDIR)/boot.img $(FAT32_BLOCKS)
  18         # Raspberry Pi has no bootloader, instead the GPU loads and starts the kernel
  19         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/bootcode.bin ::
  20         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/COPYING.linux ::
  21         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/LICENCE.broadcom ::
  22         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/start.elf ::
  23         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/start_cd.elf ::
  24         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/fixup.dat ::
  25         mcopy -i $(KDIR)/boot.img $(BUILD_DIR)/brcm2708-gpu-fw-boot/fixup_cd.dat ::
  26         mcopy -i $(KDIR)/boot.img cmdline.txt ::
  27         mcopy -i $(KDIR)/boot.img config.txt ::
  28         mcopy -i $(KDIR)/boot.img $(KDIR)/Image ::kernel.img  # Copy OpenWrt built kernel
  29         ./gen_rpi_sdcard_img.sh $(BIN_DIR)/$(IMG_PREFIX)-sdcard-vfat-$(1).img $(KDIR)/boot.img $(KDIR)/root.$(1) \
  30                 $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  31 endef
  32
  33 define Image/Build
  34         $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img
  35         $(CP) $(KDIR)/Image $(BIN_DIR)/$(IMG_PREFIX)-Image
  36
  37         $(call Image/Build/RaspberryPi,$(1))
  38 endef
  39
  40 $(eval $(call BuildImage))