mxs: improve image generation support
[openwrt.git] / target / linux / mxs / 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
8 include $(TOPDIR)/rules.mk
9 include $(INCLUDE_DIR)/image.mk
10
11 BOARDS:= \
12         imx23-olinuxino
13
14 define Image/BuildKernel/olinuxino-bootlet
15         cat $(LINUX_DIR)/arch/arm/boot/zImage $(LINUX_DIR)/arch/arm/boot/dts/imx23-olinuxino.dtb > $(STAGING_DIR)/zImage_dtb
16         (cd $(STAGING_DIR); \
17         $(STAGING_DIR)/../host/bin/elftosb -z -c ./linux_prebuilt.db -o linux.sb; \
18         dd if=/dev/zero of=sd_mmc_bootstream.raw bs=512 count=4; \
19         dd if=linux.sb of=$(BIN_DIR)/openwrt-imx23-sbImage ibs=512 seek=4; \
20         )
21 endef
22
23 define Image/BuildKernel/olinuxino-uboot
24         mkimage -A arm -O linux -T kernel -C none \
25                 -a 0x42000000 -e 0x42000000 \
26                 -n 'ARM OpenWrt Linux-$(LINUX_VERSION)' \
27                 -d $(KDIR)/vmlinux $(KDIR)/uImage
28         cp $(KDIR)/uImage $(BIN_DIR)/$(IMG_PREFIX)-uImage
29 endef
30
31 define Image/BuildKernel
32
33   ifeq ($(CONFIG_PACKAGE_imx-bootlets),y)
34         $(call Image/BuildKernel/olinuxino-bootlet)
35   endif
36
37   ifeq ($(CONFIG_PACKAGE_uboot-imx23-mx23_olinuxino),y)
38         $(call Image/BuildKernel/olinuxino-uboot)
39   endif
40   
41         $(CP) $(LINUX_DIR)/arch/arm/boot/zImage $(BIN_DIR)/openwrt-$(BOARD)-zImage
42         $(foreach board,$(BOARDS),
43                 $(CP) $(LINUX_DIR)/arch/arm/boot/dts/$(board).dtb $(BIN_DIR)/
44         )
45 endef
46
47 define Image/InstallKernel
48
49   ifneq ($(CONFIG_TARGET_ROOTFS_INCLUDE_KERNEL),)
50         mkdir -p $(TARGET_DIR)/boot
51         $(CP) $(LINUX_DIR)/arch/arm/boot/zImage $(TARGET_DIR)/boot/
52   endif
53   
54   ifneq ($(CONFIG_TARGET_ROOTFS_INCLUDE_DTB),)
55         mkdir -p $(TARGET_DIR)/boot
56         $(foreach board,$(BOARDS),
57                 $(CP) $(LINUX_DIR)/arch/arm/boot/dts/$(board).dtb $(TARGET_DIR)/boot/
58         )
59   endif
60
61 endef
62
63 define Image/Build
64         $(call Image/Build/$(1))
65         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
66 endef
67
68 $(eval $(call BuildImage))