3744cace58ce695901a2285024da8ed5fde17dc1
[openwrt/svn-archive/archive.git] / 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 $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
13
14 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
15 define Image/gzip
16 gzip -9n -c $(1) > $(1).gz
17 mv $(1).gz $(BIN_DIR)
18 endef
19 else
20 define Image/gzip
21 endef
22 endif
23
24 define Image/Prepare
25 rm -rf $(KDIR)/overlays
26 mkdir -p $(KDIR)/overlays
27 $(CP) $(DTS_DIR)/overlays/*.dtb $(KDIR)/overlays/
28 endef
29
30 ### Image scripts ###
31 define Build/gen-cfg
32 cat config.txt > $@.config
33 echo -e "\ndevice_tree=$(DEVICE_DTS).dtb" >> $@.config
34 endef
35
36 define Build/boot-img
37 rm -f $@.boot
38 mkfs.fat -C $@.boot $(FAT32_BLOCKS)
39 mcopy -i $@.boot $(KDIR)/bootcode.bin ::
40 mcopy -i $@.boot $(KDIR)/COPYING.linux ::
41 mcopy -i $@.boot $(KDIR)/LICENCE.broadcom ::
42 mcopy -i $@.boot $(KDIR)/start.elf ::
43 mcopy -i $@.boot $(KDIR)/start_cd.elf ::
44 mcopy -i $@.boot $(KDIR)/fixup.dat ::
45 mcopy -i $@.boot $(KDIR)/fixup_cd.dat ::
46 mcopy -i $@.boot cmdline.txt ::
47 mcopy -i $@.boot $@.config ::config.txt
48 mcopy -i $@.boot $(word 1,$^) ::kernel.img
49 mcopy -i $@.boot $(DTS_DIR)/$(DEVICE_DTS).dtb ::$(DEVICE_DTS).dtb
50 mcopy -s -i $@.boot $(KDIR)/overlays ::
51 endef
52
53 define Build/sdcard-img
54 ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \
55 $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
56 $(call Image/gzip,$@)
57 endef
58
59 ### Device macros ###
60 define Device/Default
61 FILESYSTEMS := ext4
62 PROFILES = Default $$(DEVICE_PROFILE)
63 KERNEL := kernel-bin
64 IMAGES := sdcard.bin
65 IMAGE/sdcard.bin := gen-cfg | boot-img | sdcard-img
66 DEVICE_PROFILE :=
67 DEVICE_DTS :=
68 endef
69 DEVICE_VARS += DEVICE_PROFILE DEVICE_DTS
70
71 # $(1) = profile
72 # $(2) = image name
73 # $(3) = dts
74 define add_bcm2708
75 define Device/$(2)
76 DEVICE_PROFILE := $(1)
77 DEVICE_DTS := $(3)
78 endef
79 TARGET_DEVICES += $(2)
80 endef
81
82 ### BCM2708/BCM2835 ###
83 ifeq ($(SUBTARGET),bcm2708)
84 # Raspberry Pi Model B
85 $(eval $(call add_bcm2708,RaspberryPi_B,rpi-b,bcm2708-rpi-b))
86 # Raspberry Pi Model B+
87 $(eval $(call add_bcm2708,RaspberryPi_BPlus,rpi-b-plus,bcm2708-rpi-b-plus))
88 # Raspberry Pi Compute Module
89 $(eval $(call add_bcm2708,RaspberryPi_CM,rpi-cm,bcm2708-rpi-cm))
90 endif
91
92 ### BCM2709/BCM2836 ###
93 ifeq ($(SUBTARGET),bcm2709)
94 # Raspberry Pi 2 Model B
95 $(eval $(call add_bcm2708,RaspberryPi_2,rpi-2-b,bcm2709-rpi-2-b))
96 endif
97
98 $(eval $(call BuildImage))