target/linux/layerscape/image/Makefile

   1 #
   2 # Copyright (C) 2016 Jiang Yutang <jiangyutang1978@gmail.com>
   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 LS_SD_KERNELPART_SIZE = 40
  11 LS_SD_KERNELPART_OFFSET = 16
  12 LS_SD_ROOTFSPART_OFFSET = 64
  13 LS_SD_IMAGE_SIZE = $(shell echo $$((($(LS_SD_ROOTFSPART_OFFSET) + \
  14         $(CONFIG_TARGET_ROOTFS_PARTSIZE)))))
  15
  16 # The limitation of flash sysupgrade.bin is 1MB dtb + 16MB kernel + 32MB rootfs
  17 LS_SYSUPGRADE_IMAGE_SIZE = 49m
  18
  19 define Image/Prepare
  20         # Build .dtb for all boards we may run on
  21         $(foreach dts,$(DEVICE_DTS_LIST),
  22                 $(call Image/BuildDTB,$(DTS_DIR)/$(dts).dts,$(DTS_DIR)/$(dts).dtb)
  23         )
  24 endef
  25
  26 define Build/ls-clean
  27         rm -f $@
  28 endef
  29
  30 define Build/ls-append
  31         dd if=$(STAGING_DIR_IMAGE)/$(1) >> $@
  32 endef
  33
  34 define Build/ls-append-dtb
  35         dd if=$(DTS_DIR)/$(1).dtb >> $@
  36 endef
  37
  38 define Build/ls-append-kernel
  39         mkdir -p $@.tmp && \
  40         cp $(IMAGE_KERNEL) $@.tmp/fitImage && \
  41         make_ext4fs -J -L kernel -l "$(LS_SD_KERNELPART_SIZE)M" "$@.kernel.part" "$@.tmp" && \
  42         dd if=$@.kernel.part >> $@ && \
  43         rm -rf $@.tmp && \
  44         rm -f $@.kernel.part
  45 endef
  46
  47 define Build/ls-append-sdhead
  48         ./gen_sdcard_head_img.sh $(STAGING_DIR_IMAGE)/$(1)-sdcard-head.img \
  49                 $(LS_SD_KERNELPART_OFFSET) $(LS_SD_KERNELPART_SIZE) \
  50                 $(LS_SD_ROOTFSPART_OFFSET) $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  51         dd if=$(STAGING_DIR_IMAGE)/$(1)-sdcard-head.img >> $@
  52 endef
  53
  54 define Build/traverse-fit
  55         ./mkits-multiple-config.sh -o $@.its -A $(LINUX_KARCH) \
  56                 -v $(LINUX_VERSION) -k $@ -a $(KERNEL_LOADADDR) \
  57                 -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
  58                 -C gzip -c 1 -c 2 \
  59                 -d $(DEVICE_DTS_DIR)/freescale/traverse-ls1043s.dtb \
  60                 -D "Traverse_LS1043S" -n "ls1043s" -a $(FDT_LOADADDR) -c 1 \
  61                 -d $(DEVICE_DTS_DIR)/freescale/traverse-ls1043v.dtb \
  62                 -D "Traverse_LS1043V" -n "ls1043v" -a $(FDT_LOADADDR) -c 2
  63         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
  64         @mv -f $@.new $@
  65 endef
  66
  67 define Device/fix-sysupgrade
  68   DEVICE_COMPAT_VERSION := 2.0
  69   DEVICE_COMPAT_MESSAGE := DTB was added to sysupgrade. Image format is different. \
  70         To use sysupgrade You need to change firmware partition in bootargs to "49m@0xf00000(firmware)" and saveenv. \
  71         After that, You can use "sysupgrade -F".
  72 endef
  73
  74 define Device/rework-sdcard-images
  75   DEVICE_COMPAT_VERSION := 2.0
  76   DEVICE_COMPAT_MESSAGE := SD-card images were changed to squashfs + ext4 overlay combined images. \
  77         It is required to flash the entire sd-card again and manually copy config.
  78 endef
  79
  80 include $(SUBTARGET).mk
  81
  82 $(eval $(call BuildImage))