ramips: convert mt7621 images to new image building code

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43908

include/image.mk

@@ -322,31 +322,36 @@ define Device/Init
   KERNEL_SIZE:=
   CMDLINE:=
 
-  IMAGE_PREFIX := $(BIN_DIR)/$(IMG_PREFIX)-$(1)
+  IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
-  KERNEL_PREFIX = $$(if $$(KERNEL_INSTALL),$$(IMAGE_PREFIX),$(KDIR)/$(1))
+  KERNEL_PREFIX = $(1)
-  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
   KERNEL_SUFFIX := -kernel.bin
   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
+  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
+  KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
   KERNEL_INSTALL :=
   KERNEL_SIZE :=
 
   FILESYSTEMS := $(TARGET_FILESYSTEMS)
-
-  BIN_KERNEL_IMAGE = $$(patsubst $$(KERNEL_PREFIX)%,$$(IMAGE_PREFIX)%,$$(KERNEL_IMAGE))
 endef
 
+define Device/ExportVar
+  $(1) : $(2):=$$($(2))
+
+endef
+Device/Export = $(foreach var,$(DEVICE_VARS) KERNEL,$(call Device/ExportVar,$(1),$(var)))
+
 define Device/Check
   _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
 endef
 
 define Device/Build/initramfs
-  $$(_TARGET): $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
+  $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 
-  $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX): $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX)
+  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_IMAGE)
 	cp $$^ $$@
 
-  $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX): $(KDIR)/vmlinux-initramfs
+  $(KDIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/vmlinux-initramfs
 	@rm -f $$@
 	$$(call concat_cmd,$$(KERNEL_INITRAMFS))
 endef
@@ -359,22 +364,28 @@ define Device/Build/check_size
 endef
 
 define Device/Build/kernel
-  $$(_TARGET): $$(if $$(KERNEL_INSTALL),$$(BIN_KERNEL_IMAGE))
+  $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
-  $$(BIN_KERNEL_IMAGE): $$(KERNEL_IMAGE)
+  $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
 	cp $$^ $$@
-  $$(KERNEL_IMAGE): $(KDIR)/vmlinux
+  $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/vmlinux
 	@rm -f $$@
 	$$(call concat_cmd,$$(KERNEL))
 	$$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 endef
 
 define Device/Build/image
-  $$(_TARGET): $(call IMAGE_NAME,$(1),$(2))
+  $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
-  $(call IMAGE_NAME,$(1),$(2)): $$(KERNEL_IMAGE) $(KDIR)/root.$(1)
+  $(eval $(call Device/Export,$(KDIR)/$(KERNEL_IMAGE)))
+  $(eval $(call Device/Export,$(KDIR)/$(KERNEL_INITRAMFS_IMAGE)))
+  $(eval $(call Device/Export,$(KDIR)/$(call IMAGE_NAME,$(1),$(2))))
+  $(KDIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 	@rm -f $$@
 	[ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 	$$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 
+  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$(call IMAGE_NAME,$(1),$(2))
+	cp $$^ $$@
+
 endef
 
 define Device/Build
@@ -383,7 +394,7 @@ define Device/Build
 
   $$(eval $$(foreach image,$$(IMAGES), \
     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
-      $$(call Device/Build/image,$$(fs),$$(image)))))
+      $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 endef
 
 define Device

target/linux/ramips/image/Makefile

@@ -22,10 +22,35 @@ define Image/Build/Initramfs
 	$(call Image/Build/Profile/$(PROFILE),initramfs)
 endef
 
+DEVICE_VARS += DTS
+
 loadaddr-y := 0x80000000
 loadaddr-$(CONFIG_TARGET_ramips_rt288x) := 0x88000000
 loadaddr-$(CONFIG_TARGET_ramips_mt7621) := 0x80001000
 
+KERNEL_LOADADDR := $(loadaddr-y)
+
+KERNEL_DTB = kernel-bin | patch-dtb | lzma
+define Device/Default
+  KERNEL := $(KERNEL_DTB) | uImage lzma
+  IMAGES := sysupgrade.bin
+  IMAGE_SIZE := $(ralink_default_fw_size_8M)
+  IMAGE/sysupgrade.bin := append-kernel | append-rootfs | check-size $$$$(IMAGE_SIZE) | pad-rootfs
+endef
+
+define Build/patch-dtb
+	$(LINUX_DIR)/scripts/dtc/dtc -O dtb -o $@.dtb ../dts/$(DTS).dts
+	$(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
+endef
+
+define Build/trx
+	$(STAGING_DIR_HOST)/bin/trx \
+		-o $@ \
+		-m $(IMAGE_SIZE) \
+		-f $(word 1,$^) \
+		-a 4 -f $(word 2,$^)
+endef
+
 define MkCombineduImage
 	$(call PatchKernelLzma,$(2),$(3))
 	if [ `stat -c%s "$(KDIR)/vmlinux-$(2).bin.lzma"` -gt `expr $(4) - 64` ]; then \
@@ -67,17 +92,6 @@ define MkImageSysupgrade/squashfs
 	fi
 endef
 
-define MkImageTrx/squashfs
-	$(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
-	$(STAGING_DIR_HOST)/bin/trx \
-		-o $(KDIR)/$(output_name) \
-		-m $(3) \
-		-f $(KDIR)/vmlinux-$(2).uImage \
-		-a 4 -f $(KDIR)/root.$(1)
-	$(call prepare_generic_squashfs,$(KDIR)/$(output_name))
-	$(CP) $(KDIR)/$(output_name) $(BIN_DIR)/$(output_name)
-endef
-
 define MkImageTpl/squashfs
 	$(eval output_name=$(IMG_PREFIX)-$(2)-$(1)-$(if $(4),$(4),sysupgrade).bin)
 	$(STAGING_DIR_HOST)/bin/mktplinkfw2 -V "ver. 2.0" -B "$(2)" -j \
@@ -124,11 +138,6 @@ define BuildFirmware/OF
 	$(call MkImageSysupgrade/$(1),$(1),$(2),$(4),$(6))
 endef
 
-define BuildFirmware/OF/trx
-	$(call MkImageLzmaDtb,$(2),$(3),$(5))
-	$(call MkImageTrx/$(1),$(1),$(2),$(4),$(6))
-endef
-
 define BuildFirmware/OF/tplink
 	$(call PatchKernelLzmaDtb,$(1),$(2),$(4))
 	$(call MkImageTpl/$(1),$(1),$(2),$(4),$(5))
@@ -167,8 +176,6 @@ BuildFirmware/Default4M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(
 ralink_default_fw_size_8M=8060928
 BuildFirmware/Default8M/squashfs=$(call BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_8M),$(4))
 BuildFirmware/Default8M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
-BuildFirmware/Trx8M/squashfs=$(call BuildFirmware/OF/trx,$(1),$(2),$(3),$(ralink_default_fw_size_8M),$(4))
-BuildFirmware/Trx8M/initramfs=$(call BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 BuildFirmware/Tplink/squashfs=$(call BuildFirmware/OF/tplink,$(1),$(2),$(3),$(4))
 BuildFirmware/Tplink/initramfs=$(call BuildFirmware/OF/tplink/initramfs,$(1),$(2),$(3),$(4))
 
@@ -862,18 +869,24 @@ endif
 # MT7621 Profiles
 #
 
-Image/Build/Profile/MT7621=$(call BuildFirmware/Default4M/$(1),$(1),mt7621,MT7621)
-Image/Build/Profile/WSR-600=$(call BuildFirmware/Default8M/$(1),$(1),wsr-600,WSR-600)
-Image/Build/Profile/WSR-1166=$(call BuildFirmware/Trx8M/$(1),$(1),wsr-1166,WSR-1166)
-
 ifeq ($(SUBTARGET),mt7621)
-define Image/Build/Profile/Default
+  TARGET_DEVICES += mt7621 wsr-600 wsr-1166
-	$(call Image/Build/Profile/MT7621,$(1))
-	$(call Image/Build/Profile/WSR-600,$(1))
-	$(call Image/Build/Profile/WSR-1166,$(1))
-endef
 endif
 
+define Device/mt7621
+  DTS := MT7621
+  IMAGE_SIZE := $(ralink_default_fw_size_4M)
+endef
+
+define Device/wsr-600
+  DTS := WSR-600
+endef
+
+define Device/wsr-1166
+  DTS := WSR-1166
+  IMAGE/sysupgrade.bin := trx | pad-rootfs
+endef
+
 #
 # MT7628 Profiles
 #
@@ -886,9 +899,9 @@ define Image/Build/Profile/Default
 endef
 endif
 
-
+ifndef TARGET_DEVICES
 #
-# Generic Targets
+# Generic Targets - only needed for legacy image building code
 #
 define Image/BuildKernel
 	cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(VMLINUX).elf
@@ -912,5 +925,6 @@ define Image/Build
 	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 	$(call Image/Build/Profile/$(PROFILE),$(1))
 endef
+endif
 
 $(eval $(call BuildImage))