[POWERPC] Support for the Ebony 440GP reference board in arch/powerpc
This adds platform support code for the Ebony (440GP) evaluation
board. This includes both code in arch/powerpc/platforms/44x for
board initialization, and zImage wrapper code to correctly tweak the
flattened device tree based on information from the firmware. The
zImage supports both IBM OpenBIOS (aka "treeboot") and old versions of
uboot which don't support a flattened device tree.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index ccd757c..5c384aa 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -42,8 +42,10 @@
src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
ns16550.c serial.c simple_alloc.c div64.S util.S \
- gunzip_util.c elf_util.c $(zlib) devtree.c
-src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c
+ gunzip_util.c elf_util.c $(zlib) devtree.c \
+ 44x.c ebony.c
+src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \
+ cuboot-ebony.c treeboot-ebony.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -135,6 +137,7 @@
ifneq ($(CONFIG_DEVICE_TREE),"")
image-$(CONFIG_PPC_83xx) += cuImage.83xx
image-$(CONFIG_PPC_85xx) += cuImage.85xx
+image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
endif
# For 32-bit powermacs, build the COFF and miboot images
@@ -144,7 +147,8 @@
endif
initrd- := $(patsubst zImage%, zImage.initrd%, $(image-n) $(image-))
-initrd-y := $(patsubst zImage%, zImage.initrd%, $(image-y))
+initrd-y := $(patsubst zImage%, zImage.initrd%, \
+ $(patsubst treeImage%, treeImage.initrd%, $(image-y)))
initrd-y := $(filter-out $(image-y), $(initrd-y))
targets += $(image-y) $(initrd-y)
@@ -181,6 +185,12 @@
$(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits)
$(call if_changed,wrap,cuboot-$*,$(dts))
+$(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits)
+ $(call if_changed,wrap,treeboot-$*,$(dts))
+
+$(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits)
+ $(call if_changed,wrap,treeboot-$*,$(dts),,$(obj)/ramdisk.image.gz)
+
$(obj)/zImage: $(addprefix $(obj)/, $(image-y))
@rm -f $@; ln $< $@
$(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y))
@@ -190,7 +200,8 @@
sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $<
# anything not in $(targets)
-clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.*
+clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \
+ treeImage.*
# clean up files cached by wrapper
clean-kernel := vmlinux.strip vmlinux.bin