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[POWERPC] Holly bootwrapper

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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>
This commit is contained in:
Josh Boyer 2007-05-08 07:32:10 +10:00 committed by Paul Mackerras
parent d4d19ec493
commit 7487a2245b
2 changed files with 46 additions and 1 deletions
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9
arch/powerpc/boot/Makefile
View file

@ -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)

38
arch/powerpc/boot/holly.c Normal file
View file

@ -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();
}