mediatek: move mt7623 support into a 32bit subtarget

this is in preparation for adding the new 64bit mt7622 support.

Signed-off-by: John Crispin <[email protected]>

target/linux/mediatek/32/target.mk

@@ -0,0 +1,13 @@
+#
+# Copyright (C) 2009 OpenWrt.org
+#
+
+SUBTARGET:=32
+BOARDNAME:=32bit
+CPU_TYPE:=cortex-a7
+CPU_SUBTYPE:=neon-vfpv4
+
+define Target/Description
+	Build firmware images for MediaTek 32bit ARM based boards.
+endef
+

target/linux/mediatek/Makefile

@@ -5,9 +5,8 @@ include $(TOPDIR)/rules.mk
 ARCH:=arm
 BOARD:=mediatek
 BOARDNAME:=MediaTek Ralink ARM
+SUBTARGETS:=32
 FEATURES:=squashfs nand ubifs
-CPU_TYPE:=cortex-a7
-CPU_SUBTYPE:=neon-vfpv4
 MAINTAINER:=John Crispin <[email protected]>
 
 KERNEL_PATCHVER:=4.9

target/linux/mediatek/image/32.mk

@@ -0,0 +1,43 @@
+define Image/BuilduImage
+	$(CP) $(KDIR)/zImage$(2) $(KDIR)/zImage-$(1)$(2)
+	cat $(LINUX_DIR)/arch/arm/boot/dts/mt7623-$1.dtb >> $(KDIR)/zImage-$(1)$(2)
+	mkimage -A arm -O linux -T kernel -C none -a 0x80008000 -e 0x80008000 -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)'  -d $(KDIR)/zImage-$(1)$(2) $(KDIR)/uImage-$(1)$(2)
+endef
+
+define Image/Build/SysupgradeCombined
+	$(call Image/BuilduImage,$1)
+ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
+	$(call Image/BuilduImage,$1,-initramfs)
+	$(CP) $(KDIR)/uImage-$(1)-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-$(1)-initramfs
+endif
+	mkdir -p "$(KDIR_TMP)/sysupgrade-$(3)/"
+	echo "BOARD=$(3)" > "$(KDIR_TMP)/sysupgrade-$(3)/CONTROL"
+	$(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(3)/root"
+	$(CP) "$(KDIR)/uImage-$(1)" "$(KDIR_TMP)/sysupgrade-$(3)/kernel"
+	(cd "$(KDIR_TMP)"; $(TAR) cvf \
+		"$(BIN_DIR)/$(IMG_PREFIX)-$(3)-sysupgrade.tar" sysupgrade-$(3) \
+			$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+	)
+endef
+
+COMPAT_EMMC:=mediatek,mt7623-rfb-emmc
+COMPAT_NAND:=mediatek,mt7623-rfb-nand
+COMPAT_NAND_EPHY:=mediatek,mt7623-rfb-nand-ephy
+
+define Image/Build/squashfs
+	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
+	$(CP) $(KDIR)/root.squashfs $(BIN_DIR)/$(IMG_PREFIX)-root.squashfs
+
+	$(call Image/Build/SysupgradeCombined,eMMC,squashfs,$$(COMPAT_EMMC))
+
+	$(call Image/BuilduImage,NAND)
+	$(call Image/BuilduImage,NAND-ePHY)
+ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
+	$(call Image/BuilduImage,NAND,-initramfs)
+	$(call Image/BuilduImage,NAND-ePHY,-initramfs)
+	$(CP) $(KDIR)/uImage-NAND-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-NAND-initramfs
+	$(CP) $(KDIR)/uImage-NAND-ePHY-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-NAND-ePHY-initramfs
+endif
+	$(call Image/Build/SysupgradeNAND,NAND,$(1),$(KDIR)/uImage-NAND,$$(COMPAT_NAND))
+	$(call Image/Build/SysupgradeNAND,NAND-ePHY,$(1),$(KDIR)/uImage-NAND-ePHY,$$(COMPAT_NAND_EPHY))
+endef

target/linux/mediatek/image/Makefile

@@ -1,51 +1,7 @@
-# Copyright (c) 2014 The Linux Foundation. All rights reserved.
-#
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
-define Image/BuilduImage
-	$(CP) $(KDIR)/zImage$(2) $(KDIR)/zImage-$(1)$(2)
-	cat $(LINUX_DIR)/arch/arm/boot/dts/mt7623-$1.dtb >> $(KDIR)/zImage-$(1)$(2)
-	mkimage -A arm -O linux -T kernel -C none -a 0x80008000 -e 0x80008000 -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)'  -d $(KDIR)/zImage-$(1)$(2) $(KDIR)/uImage-$(1)$(2)
-endef
-
-define Image/Build/SysupgradeCombined
-	$(call Image/BuilduImage,$1)
-ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
-	$(call Image/BuilduImage,$1,-initramfs)
-	$(CP) $(KDIR)/uImage-$(1)-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-$(1)-initramfs
-endif
-	mkdir -p "$(KDIR_TMP)/sysupgrade-$(3)/"
-	echo "BOARD=$(3)" > "$(KDIR_TMP)/sysupgrade-$(3)/CONTROL"
-	$(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(3)/root"
-	$(CP) "$(KDIR)/uImage-$(1)" "$(KDIR_TMP)/sysupgrade-$(3)/kernel"
-	(cd "$(KDIR_TMP)"; $(TAR) cvf \
-		"$(BIN_DIR)/$(IMG_PREFIX)-$(3)-sysupgrade.tar" sysupgrade-$(3) \
-			$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
-	)
-endef
-
-COMPAT_EMMC:=mediatek,mt7623-rfb-emmc
-COMPAT_NAND:=mediatek,mt7623-rfb-nand
-COMPAT_NAND_EPHY:=mediatek,mt7623-rfb-nand-ephy
-
-define Image/Build/squashfs
-	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
-	$(CP) $(KDIR)/root.squashfs $(BIN_DIR)/$(IMG_PREFIX)-root.squashfs
-
-	$(call Image/Build/SysupgradeCombined,eMMC,squashfs,$$(COMPAT_EMMC))
-
-	$(call Image/BuilduImage,NAND)
-	$(call Image/BuilduImage,NAND-ePHY)
-ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
-	$(call Image/BuilduImage,NAND,-initramfs)
-	$(call Image/BuilduImage,NAND-ePHY,-initramfs)
-	$(CP) $(KDIR)/uImage-NAND-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-NAND-initramfs
-	$(CP) $(KDIR)/uImage-NAND-ePHY-initramfs $(BIN_DIR)/$(IMG_PREFIX)-uImage-NAND-ePHY-initramfs
-endif
-	$(call Image/Build/SysupgradeNAND,NAND,$(1),$(KDIR)/uImage-NAND,$$(COMPAT_NAND))
-	$(call Image/Build/SysupgradeNAND,NAND-ePHY,$(1),$(KDIR)/uImage-NAND-ePHY,$$(COMPAT_NAND_EPHY))
-endef
+include $(SUBTARGET).mk
 
 define Image/Build
 	$(call Image/Build/$(1),$(1))