bcm53xx: image: prepare for generating serial flash images
[openwrt/openwrt.git] / target / linux / bcm53xx / image / Makefile
1 #
2 # Copyright (C) 2013 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
10 define Image/Prepare
11 $(CP) $(DTS_DIR)/*.dtb $(KDIR)/
12
13 rm -f $(KDIR)/fs_mark
14 echo -ne '\xde\xad\xc0\xde' > $(KDIR)/fs_mark
15 $(call prepare_generic_squashfs,$(KDIR)/fs_mark)
16
17 # For UBI we want only one extra block
18 rm -f $(KDIR)/ubi_mark
19 echo -ne '\xde\xad\xc0\xde' > $(KDIR)/ubi_mark
20
21 $(CP) ./ubinize.cfg $(KDIR)
22 endef
23
24 define Build/append-dtb
25 cat $(KDIR)/$(DT).dtb >> $@
26 endef
27
28 define Build/lzma-d16
29 $(STAGING_DIR_HOST)/bin/lzma e $@ -d16 $(1) $@.new
30 @mv $@.new $@
31 endef
32
33 define Build/mkfs/squashfs
34 ( cd $(KDIR); $(STAGING_DIR_HOST)/bin/ubinize -p 128KiB -m 2048 -o $(KDIR)/root-block-0x20000-min-0x800.ubi ubinize.cfg )
35 endef
36
37 define Build/trx-serial
38 $(STAGING_DIR_HOST)/bin/trx \
39 -o $@ \
40 -f $(word 1,$^) -a 1024 \
41 -f $(KDIR)/root.squashfs -a 0x10000 -A $(KDIR)/fs_mark
42 endef
43
44 define Build/trx-nand
45 # kernel: always use 4 MiB (-28 B or TRX header) to allow upgrades even
46 # if it grows up between releases
47 # root: UBI with one extra block containing UBI mark to trigger erasing
48 # rest of partition
49 $(STAGING_DIR_HOST)/bin/trx \
50 -o $@ \
51 -m 33554432 \
52 -f $(word 1,$^) -a 0x20000 -b 0x400000 \
53 -f $(KDIR)/root-block-0x20000-min-0x800.ubi \
54 -A $(KDIR)/ubi_mark -a 0x20000
55 endef
56
57 define Build/netgear-chk
58 $(STAGING_DIR_HOST)/bin/mkchkimg \
59 -o $@.new -k $@ -b $(BOARD_ID) -r $(REGION)
60 mv $@.new $@
61 endef
62
63 DEVICE_VARS += DT BOARD_ID REGION
64
65 define Device/Default
66 # .dtb files are prefixed by SoC type, e.g. bcm4708- which is not included in device/image names
67 # extract the full dtb name based on the device info
68 DT := $(patsubst %.dtb,%,$(notdir $(wildcard $(if $(IB),$(KDIR),$(DTS_DIR))/*-$(1).dtb)))
69 KERNEL := kernel-bin | append-dtb | lzma-d16
70 FILESYSTEMS := squashfs
71 KERNEL_NAME := zImage
72 IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
73 IMAGES := trx
74 IMAGE/trx := trx-nand
75 endef
76
77 define Device/netgear
78 IMAGES := chk
79 IMAGE/chk := trx-nand | netgear-chk
80 REGION := 1
81 endef
82
83 define Device/netgear-r6250
84 $(Device/netgear)
85 BOARD_ID := U12H245T00_NETGEAR
86 endef
87
88 define Device/netgear-r6300-v2
89 $(Device/netgear)
90 BOARD_ID := U12H240T00_NETGEAR
91 endef
92
93 define Device/netgear-r8000
94 $(Device/netgear)
95 BOARD_ID := U12H315T00_NETGEAR
96 endef
97
98 TARGET_DEVICES += \
99 asus-rt-ac56u asus-rt-ac68u asus-rt-ac87u asus-rt-n18u \
100 netgear-r6250 netgear-r6300-v2 netgear-r8000 \
101 buffalo-wzr-1750dhp buffalo-wzr-600dhp2 buffalo-wzr-900dhp \
102 buffalo-wxr-1900dhp
103
104 $(eval $(call BuildImage))