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authorJosh Boyer <jwboyer@linux.vnet.ibm.com>2007-05-08 07:32:10 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-08 11:54:21 +1000
commit7487a2245b8841c77ba9db406cf99a483b9334e9 (patch)
treee2c84be8c77e041f336b195907f584f580c7056f /arch/powerpc/boot
parentd4d19ec4931feb53f68fcc156563a21e34d50cb8 (diff)
[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>
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r--arch/powerpc/boot/Makefile9
-rw-r--r--arch/powerpc/boot/holly.c38
2 files changed, 46 insertions, 1 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index d56e24b8547..ccd757c193e 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 00000000000..7d6539f5e22
--- /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();
+}