[POWERPC] Holly bootwrapper

Add Holly/Hickory bootwrapper

Signed-off-by: Stephen Winiecki <stevewin@us.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 46 insertions, 1 deletions

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index d56e24b85472..ccd757c193e7 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -43,7 +43,7 @@ $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \
 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
+src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -129,6 +129,7 @@ image-$(CONFIG_PPC_CELLEB)		+= zImage.pseries
 image-$(CONFIG_PPC_CHRP)                += zImage.chrp
 image-$(CONFIG_PPC_EFIKA)               += zImage.chrp
 image-$(CONFIG_PPC_PMAC)                += zImage.pmac
+image-$(CONFIG_PPC_HOLLY)               += zImage.holly-elf
 image-$(CONFIG_DEFAULT_UIMAGE)          += uImage
 
 ifneq ($(CONFIG_DEVICE_TREE),"")
@@ -164,6 +165,12 @@ $(obj)/zImage.ps3: vmlinux
 $(obj)/zImage.initrd.ps3: vmlinux
         @echo "  WARNING zImage.initrd.ps3 not supported (yet)"
 
+$(obj)/zImage.holly-elf: vmlinux $(wrapperbits)
+        $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,)
+
+$(obj)/zImage.initrd.holly-elf: vmlinux $(wrapperbits) $(obj)/ramdisk.image.gz
+        $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,$(obj)/ramdisk.image.gz)
+
 $(obj)/uImage: vmlinux $(wrapperbits)
         $(call if_changed,wrap,uboot)
 
diff --git a/arch/powerpc/boot/holly.c b/arch/powerpc/boot/holly.c
new file mode 100644
index 000000000000..7d6539f5e22c
--- /dev/null
+++ b/arch/powerpc/boot/holly.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2007 IBM Corporation
+ *
+ * Stephen Winiecki <stevewin@us.ibm.com>
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Based on earlier code:
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+#include <stdarg.h>
+#include <stddef.h>
+#include "types.h"
+#include "elf.h"
+#include "string.h"
+#include "stdio.h"
+#include "page.h"
+#include "ops.h"
+#include "io.h"
+
+extern char _start[];
+extern char _end[];
+extern char _dtb_start[];
+extern char _dtb_end[];
+
+BSS_STACK(4096);
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
+{
+        u32 heapsize = 0x8000000 - (u32)_end; /* 128M */
+
+        simple_alloc_init(_end, heapsize, 32, 64);
+        ft_init(_dtb_start, 0, 4);
+        serial_console_init();
+}