brcm2708: add Raspberry Pi 3 support

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

diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile
index 00bee22..8cf83a4 100644 (file)
--- a/target/linux/brcm2708/image/Makefile
+++ b/target/linux/brcm2708/image/Makefile
@@ -12,13 +12,9 @@ FAT32_BLOCK_SIZE=1024
 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
 
 ### 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
+define Build/kernel-img
+       perl $(LINUX_DIR)/scripts/mkknlimg $@ $@.tmp
+       mv $@.tmp $@
 endef
 
 define Build/boot-img
@@ -32,36 +28,38 @@ define Build/boot-img
        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 config.txt ::
        mcopy -i $@.boot $(word 1,$^) ::kernel.img
-       mcopy -i $@.boot $@.dtb ::$(DEVICE_DTS).dtb
+       $(foreach dts,$(shell echo $(DEVICE_DTS)),mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb ::;)
+       mmd -i $@.boot ::/overlays
+       mcopy -i $@.boot $(DTS_DIR)/overlays/*.dtb ::/overlays/
+       mcopy -i $@.boot $(DTS_DIR)/overlays/README ::/overlays/
 endef
 
 define Build/sdcard-img
        ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
                $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
+       $(if $(CONFIG_TARGET_IMAGES_GZIP),gzip -9n -c $@ > $(BIN_DIR)/$(notdir $@).gz)
 endef
 
 ### 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
+  KERNEL := kernel-bin | kernel-img
+  IMAGES := sdcard.img
+  IMAGE/sdcard.img := boot-img | sdcard-img
   DEVICE_PROFILE :=
-  DEVICE_NAME :=
   DEVICE_DTS :=
 endef
-DEVICE_VARS += DEVICE_PROFILE DEVICE_NAME DEVICE_DTS
+DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
 
 # $(1) = profile
 # $(2) = image name
 # $(3) = dts
-define add_bcm2708
+define bcm27xx
   define Device/$(2)
     DEVICE_PROFILE := $(1)
-    DEVICE_NAME := $(2)
     DEVICE_DTS := $(3)
   endef
   TARGET_DEVICES += $(2)
@@ -69,16 +67,20 @@ endef
 
 ### BCM2708/BCM2835 ###
 ifeq ($(SUBTARGET),bcm2708)
-  # Raspberry Pi Model B
-  $(eval $(call add_bcm2708,RaspberryPi_B,rpi-b,bcm2708-rpi-b))
-  # Raspberry Pi Model B+
-  $(eval $(call add_bcm2708,RaspberryPi_BPlus,rpi-b-plus,bcm2708-rpi-b-plus))
+  # Raspberry Pi Models B/B+/CM
+  $(eval $(call bcm27xx,RaspberryPi,rpi,bcm2708-rpi-b bcm2708-rpi-b-plus bcm2708-rpi-cm))
 endif
 
 ### BCM2709/BCM2836 ###
 ifeq ($(SUBTARGET),bcm2709)
   # Raspberry Pi 2 Model B
-  $(eval $(call add_bcm2708,RaspberryPi_2,rpi-2-b,bcm2709-rpi-2-b))
+  $(eval $(call bcm27xx,RaspberryPi_2,rpi-2,bcm2709-rpi-2-b))
+endif
+
+### BCM2710/BCM2837 ###
+ifeq ($(SUBTARGET),bcm2710)
+  # Raspberry Pi 3 Model B
+  $(eval $(call bcm27xx,RaspberryPi_3,rpi-3,bcm2710-rpi-3-b))
 endif
 
 $(eval $(call BuildImage))