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Commit 7487a224 authored by Josh Boyer's avatar Josh Boyer Committed by Paul Mackerras
Browse files

[POWERPC] Holly bootwrapper 



Add Holly/Hickory bootwrapper

Signed-off-by: default avatarStephen Winiecki <stevewin@us.ibm.com>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent d4d19ec4

arch/powerpc/boot/Makefile

+8 −1
Original line number Original line Diff line number Diff line
@@ -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 \

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 \

		ns16550.c serial.c simple_alloc.c div64.S util.S \

		gunzip_util.c elf_util.c $(zlib) devtree.c

		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 := $(src-wlib) $(src-plat) empty.c





src-boot := $(addprefix $(obj)/, $(src-boot))

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_CHRP)		+= zImage.chrp

image-$(CONFIG_PPC_EFIKA)		+= zImage.chrp

image-$(CONFIG_PPC_EFIKA)		+= zImage.chrp

image-$(CONFIG_PPC_PMAC)		+= zImage.pmac

image-$(CONFIG_PPC_PMAC)		+= zImage.pmac

image-$(CONFIG_PPC_HOLLY)		+= zImage.holly-elf

image-$(CONFIG_DEFAULT_UIMAGE)		+= uImage

image-$(CONFIG_DEFAULT_UIMAGE)		+= uImage





ifneq ($(CONFIG_DEVICE_TREE),"")

ifneq ($(CONFIG_DEVICE_TREE),"")
@@ -164,6 +165,12 @@ $(obj)/zImage.ps3: vmlinux 
$(obj)/zImage.initrd.ps3: vmlinux

$(obj)/zImage.initrd.ps3: vmlinux

	@echo "  WARNING zImage.initrd.ps3 not supported (yet)"

	@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)

$(obj)/uImage: vmlinux $(wrapperbits)

	$(call if_changed,wrap,uboot)

	$(call if_changed,wrap,uboot)

arch/powerpc/boot/holly.c

0 → 100644
+38 −0
Original line number Original line Diff line number Diff line 
/*

 * 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();

}