From 48c69e3022b2548d8e9deeef10d969a446c752ab Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 25 Mar 2015 17:57:44 +0000
Subject: [PATCH] bcm53xx: convert to new image building code

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

SVN-Revision: 44996
---
 target/linux/bcm53xx/image/Makefile | 111 ++++++++++++----------------
 1 file changed, 48 insertions(+), 63 deletions(-)

diff --git a/target/linux/bcm53xx/image/Makefile b/target/linux/bcm53xx/image/Makefile
index 5581283ddf..55a75ff7d3 100644
--- a/target/linux/bcm53xx/image/Makefile
+++ b/target/linux/bcm53xx/image/Makefile
@@ -8,6 +8,8 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
 define Image/Prepare
+	$(CP) $(DTS_DIR)/*.dtb $(KDIR)/
+
 	rm -f $(KDIR)/fs_mark
 	echo -ne '\xde\xad\xc0\xde' > $(KDIR)/fs_mark
 	$(call prepare_generic_squashfs,$(KDIR)/fs_mark)
@@ -15,87 +17,70 @@ define Image/Prepare
 	$(CP) ./ubinize.cfg $(KDIR)
 endef
 
-define trx2ndpart/serial
--a 1024 -f $(KDIR)/root.squashfs -a 0x10000 -A $(KDIR)/fs_mark
+define Build/append-dtb
+	cat $(KDIR)/$(DT).dtb >> $@
 endef
 
-define trx2ndpart/nand-0x20000-0x800
--a 0x20000 -f $(KDIR)/root-block-0x20000-min-0x800.ubi -a 0x20000 -A $(KDIR)/fs_mark
+define Build/lzma-d16
+	$(STAGING_DIR_HOST)/bin/lzma e $@ -d16 $(1) $@.new
+	@mv $@.new $@
 endef
 
-# $(1): dts filename (also used for the firmware file).
-# $(2): flash type (not used).
-define Image/Build/initramfs/DTB
-	$(call Image/Build/DTB,zImage-initramfs,$(1))
-	$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/$(IMG_PREFIX)-$(1)-initramfs.trx \
-		-f $(KDIR)/zImage-initramfs-$(1).lzma
+define Build/mkfs/squashfs
+	( cd $(KDIR); $(STAGING_DIR_HOST)/bin/ubinize -p 128KiB -m 2048 -o $(KDIR)/root-block-0x20000-min-0x800.ubi ubinize.cfg )
 endef
 
-# $(1): dts filename (also used for the firmware file).
-# $(2): flash type.
-define Image/Build/squashfs/DTB
-	$(call Image/Build/DTB,zImage,$(1))
-	$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/$(IMG_PREFIX)-$(1)-squashfs.trx \
-		-f $(KDIR)/zImage-$(1).lzma \
-		$(call trx2ndpart/$(2))
+define Build/trx-nand
+	$(STAGING_DIR_HOST)/bin/trx \
+		-o $@ \
+		-f $(word 1,$^) \
+		-a 0x20000 -f $(KDIR)/root-block-0x20000-min-0x800.ubi \
+		-a 0x20000 -A $(KDIR)/fs_mark
 endef
 
-# $(1): kernel (Linux) image file
-# $(2): dts filename (also used for the firmware file).
-define Image/Build/DTB
-	rm -f $(KDIR)/$(1)-$(2).lzma
-	rm -f $(KDIR)/$(1)-$(2).dts
-	cat $(KDIR)/$(1) $(DTS_DIR)/$(2).dtb > $(KDIR)/$(1)-$(2).dts;
-	$(STAGING_DIR_HOST)/bin/lzma e $(KDIR)/$(1)-$(2).dts $(KDIR)/$(1)-$(2).lzma -d16
+define Build/netgear-chk
+	$(STAGING_DIR_HOST)/bin/mkchkimg \
+		-o $@.new -k $@ -b $(BOARD_ID) -r $(REGION)
+	mv $@.new $@
 endef
 
-# $(1): filesystem type (e.g. squashfs, initramfs).
-# $(2): dts filename (also used for the firmware file).
-# $(3): flash type.
-# $(4): device specific magic.
-define Image/Build/AsusTrx
-	$(call Image/Build/$(1)/DTB,$(2),$(3))
-	# TODO: Put magic in TRX file
-	cp $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx $(BIN_DIR)/
-endef
+DEVICE_VARS += DT BOARD_ID REGION
 
-# $(1): filesystem type (e.g. squashfs, initramfs).
-# $(2): dts filename (also used for the firmware file).
-# $(3): flash type.
-define Image/Build/Trx
-	$(call Image/Build/$(1)/DTB,$(2),$(3))
-	cp $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx $(BIN_DIR)/
+define Device/Default
+  # .dtb files are prefixed by SoC type, e.g. bcm4708- which is not included in device/image names
+  # extract the full dtb name based on the device info
+  DT := $(patsubst %.dtb,%,$(notdir $(wildcard $(if $(IB),$(KDIR),$(DTS_DIR))/*-$(1).dtb)))
+  KERNEL := kernel-bin | append-dtb | lzma-d16
+  FILESYSTEMS := squashfs
+  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1).$$(2)
+  IMAGES := trx
+  IMAGE/trx := trx-nand
 endef
 
-# $(1): filesystem type (e.g. squashfs, initramfs).
-# $(2): dts filename (also used for the firmware file).
-# $(3): flash type.
-# $(4): board_id (device specific magic).
-# $(5): region.
-define Image/Build/Chk
-	$(call Image/Build/$(1)/DTB,$(2),$(3))
-	$(STAGING_DIR_HOST)/bin/mkchkimg -o $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1).chk -k $(KDIR)/$(IMG_PREFIX)-$(2)-$(1).trx -b $(4) -r $(5)
+define Device/netgear
+  IMAGES := chk
+  IMAGE/chk := trx-nand | netgear-chk
+  REGION := 1
 endef
 
-# $(1): filesystem type (e.g. squashfs, initramfs).
-define Image/Build
-	( cd $(KDIR); $(STAGING_DIR_HOST)/bin/ubinize -p 128KiB -m 2048 -o $(KDIR)/root-block-0x20000-min-0x800.ubi ubinize.cfg )
+define Device/netgear-r6250
+  $(Device/netgear)
+  BOARD_ID := U12H245T00_NETGEAR
+endef
 
-	$(call Image/Build/AsusTrx,$(1),bcm4708-asus-rt-ac68u,nand-0x20000-0x800,RT-AC68U)
-	$(call Image/Build/AsusTrx,$(1),bcm47081-asus-rt-n18u,nand-0x20000-0x800,RT-N18U)
-	$(call Image/Build/AsusTrx,$(1),bcm4709-asus-rt-ac87u,nand-0x20000-0x800,RT-AC87U)
-
-	$(call Image/Build/Chk,$(1),bcm4708-netgear-r6250,nand-0x20000-0x800,U12H245T00_NETGEAR,1)
-	$(call Image/Build/Chk,$(1),bcm4708-netgear-r6300-v2,nand-0x20000-0x800,U12H240T00_NETGEAR,1)
-	$(call Image/Build/Chk,$(1),bcm4709-netgear-r8000,nand-0x20000-0x800,U12H315T00_NETGEAR,1)
- 
-	$(call Image/Build/Trx,$(1),bcm4708-buffalo-wzr-1750dhp,nand-0x20000-0x800)
-	$(call Image/Build/Trx,$(1),bcm47081-buffalo-wzr-600dhp2,nand-0x20000-0x800)
-	$(call Image/Build/Trx,$(1),bcm47081-buffalo-wzr-900dhp,nand-0x20000-0x800)
+define Device/netgear-r6300-v2
+  $(Device/netgear)
+  BOARD_ID := U12H240T00_NETGEAR
 endef
 
-define Image/Build/Initramfs
-	$(call Image/Build,initramfs)
+define Device/netgear-r8000
+  $(Device/netgear)
+  BOARD_ID := U12H315T00_NETGEAR
 endef
 
+TARGET_DEVICES += \
+	asus-rt-ac68u asus-rt-n18u asus-rt-ac87u \
+	netgear-r6250 netgear-r6300-v2 netgear-r8000 \
+	buffalo-wzr-1750dhp buffalo-wzr-600dhp2 buffalo-wzr-900dhp
+
 $(eval $(call BuildImage))
-- 
2.25.1