archs38: Merge sd and ramfs subtargets in generic again

As it turned out we may actually build both initramfs and
SD-based images in one run with just a small tweak in
existing image/Makefile and so we do here.

We're back with one "generic" target for all ARC HS38-based bords.

Kudos to John for his patience and very helpful tips!

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Jo-Philipp Wich <jo@mein.io>

target/linux/archs38/Makefile

@@ -11,7 +11,7 @@ CPU_TYPE:=archs
 BOARD:=archs38
 BOARDNAME:=Synopsys DesignWare ARC HS38
 MAINTAINER:=Alexey Brodkin <abrodkin@synopsys.com>
-SUBTARGETS:=sd ramdisk
+SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=4.4
 

target/linux/archs38/generic/target.mk

@@ -0,0 +1,8 @@
+BOARDNAME:=Generic
+FEATURES += ext4 usb ramdisk
+
+define Target/Description
+	Build firmware images for ARC HS38 based boards.
+endef
+
+

target/linux/archs38/image/Makefile

@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/image.mk
 # in memory from build to built. Thus we need to extract EP from vmlinux
 # every time before generation of uImage.
 define Build/calculate-ep
-	$(eval KERNEL_ENTRY=$(shell $(KERNEL_CROSS)readelf -h $(LINUX_DIR)/vmlinux | grep "Entry point address" | grep -o 0x.*))
+	$(eval KERNEL_ENTRY=$(shell $(KERNEL_CROSS)readelf -h $(1) | grep "Entry point address" | grep -o 0x.*))
 endef
 
 define Build/build-dtb
@@ -36,7 +36,8 @@ define Device/nsim_hs
 	DEVICE_DTS := nsim_hs_idu
 endef
 TARGET_DEVICES += nsim_hs
-else
+endif
+
 # Root FS on SD-card
 KERNEL_LOADADDR := 0x80000000
 DEVICE_DTS_LIST:= axs103_idu
@@ -65,7 +66,7 @@ endef
 
 define Image/BuildKernel
 	# Build unified uImage
-	$(call Build/calculate-ep)
+	$(call Build/calculate-ep, $(KDIR)/vmlinux.elf)
 	$(call Image/BuildKernel/MkuImage, \
 		none, $(KERNEL_LOADADDR), $(KERNEL_ENTRY), \
 		$(KDIR)/vmlinux, \
@@ -81,6 +82,5 @@ define Image/Build
 	$(call Image/Build/SDCard,$(1))
 	dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
 endef
-endif
 
 $(eval $(call BuildImage))

target/linux/archs38/ramdisk/profiles/00-default.mk

@@ -1,15 +0,0 @@
-#
-# Copyright (C) 2016 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-define Profile/Default
-	NAME:=Default Profile (all drivers)
-endef
-
-define Profile/Default/Description
-	Default package set compatible with most boards.
-endef
-$(eval $(call Profile,Default))

target/linux/archs38/ramdisk/target.mk

@@ -1,8 +0,0 @@
-BOARDNAME:=Ramdisk
-FEATURES += ramdisk
-
-define Target/Description
-	Build firmware images for generic ARC HS38 based boards that use built-in initramfs
-endef
-
-

target/linux/archs38/sd/target.mk

@@ -1,8 +0,0 @@
-BOARDNAME:=SD
-FEATURES += ext4 usb
-
-define Target/Description
-	Build firmware images for ARC HS38 based boards that use SD-card for booting.
-endef
-
-