target/linux/brcm2708/image/Makefile

   1 #
   2 # Copyright (C) 2012-2015 OpenWrt.org
   3 # Copyright (C) 2016-2017 LEDE project
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8 include $(TOPDIR)/rules.mk
   9 include $(INCLUDE_DIR)/image.mk
  10
  11 FAT32_BLOCK_SIZE=1024
  12 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
  13
  14 define Build/Compile
  15         $(CP) $(LINUX_DIR)/COPYING $(KDIR)/COPYING.linux
  16 endef
  17
  18 ### Image scripts ###
  19 define Build/kernel-img
  20         perl $(LINUX_DIR)/scripts/mkknlimg $@ $@.tmp
  21         mv $@.tmp $@
  22 endef
  23
  24 define Build/boot-img
  25         rm -f $@.boot
  26         mkfs.fat -C $@.boot $(FAT32_BLOCKS)
  27         mcopy -i $@.boot $(KDIR)/COPYING.linux ::
  28         mcopy -i $@.boot $(KDIR)/bootcode.bin ::
  29         mcopy -i $@.boot $(KDIR)/LICENCE.broadcom ::
  30         mcopy -i $@.boot $(KDIR)/start.elf ::
  31         mcopy -i $@.boot $(KDIR)/start_cd.elf ::
  32         mcopy -i $@.boot $(KDIR)/fixup.dat ::
  33         mcopy -i $@.boot $(KDIR)/fixup_cd.dat ::
  34         mcopy -i $@.boot cmdline.txt ::
  35         mcopy -i $@.boot config.txt ::
  36         mcopy -i $@.boot $(IMAGE_KERNEL) ::$(KERNEL_IMG)
  37         $(foreach dts,$(shell echo $(DEVICE_DTS)),mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb ::;)
  38         mmd -i $@.boot ::/overlays
  39         mcopy -i $@.boot $(DTS_DIR)/overlays/*.dtbo ::/overlays/
  40         mcopy -i $@.boot $(DTS_DIR)/overlays/README ::/overlays/
  41 endef
  42
  43 define Build/sdcard-img
  44         ./gen_rpi_sdcard_img.sh $@ $@.boot $(IMAGE_ROOTFS) \
  45                 $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  46 endef
  47
  48 ### Devices ###
  49 define Device/Default
  50   FILESYSTEMS := ext4
  51   KERNEL := kernel-bin | kernel-img
  52   KERNEL_IMG := kernel.img
  53   IMAGES := sdcard.img
  54   IMAGE/sdcard.img := boot-img | sdcard-img | gzip | append-metadata
  55 endef
  56
  57 define Device/rpi
  58   DEVICE_TITLE := Raspberry Pi B/B+/CM/Zero/ZeroW
  59   DEVICE_DTS := bcm2708-rpi-b bcm2708-rpi-b-plus bcm2708-rpi-cm bcm2708-rpi-0-w
  60   SUPPORTED_DEVICES := rpi-b rpi-b-plus rpi-cm rpi-zero rpi-zero-w raspberrypi,model-b raspberrypi,model-b-plus raspberrypi,compute-module-1 raspberrypi,model-b-rev2 raspberrypi,model-zero raspberrypi,model-zero-w
  61 endef
  62 ifeq ($(SUBTARGET),bcm2708)
  63   TARGET_DEVICES += rpi
  64 endif
  65
  66 define Device/rpi-2
  67   DEVICE_TITLE := Raspberry Pi 2B/3B/3CM
  68   DEVICE_DTS := bcm2709-rpi-2-b bcm2710-rpi-3-b bcm2710-rpi-cm3
  69   SUPPORTED_DEVICES := rpi-2-b rpi-3-b rpi-cm raspberrypi,2-model-b raspberrypi,3-model-b raspberrypi,compute-module-3
  70 endef
  71 ifeq ($(SUBTARGET),bcm2709)
  72   TARGET_DEVICES += rpi-2
  73 endif
  74
  75 define Device/rpi-3
  76   KERNEL_IMG := kernel8.img
  77   DEVICE_TITLE := Raspberry Pi 3B (64 bit)
  78   DEVICE_DTS := broadcom/bcm2710-rpi-3-b
  79   SUPPORTED_DEVICES := rpi-3-b raspberrypi,3-model-b
  80 endef
  81 ifeq ($(SUBTARGET),bcm2710)
  82   TARGET_DEVICES += rpi-3
  83 endif
  84
  85 $(eval $(call BuildImage))