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linux-next/arch/powerpc/boot/cuboot.c

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/*
* Compatibility for old (not device tree aware) U-Boot versions
*
* Author: Scott Wood <scottwood@freescale.com>
* Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
*
* Copyright 2007 David Gibson, IBM Corporation.
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*
* 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 "ops.h"
#include "stdio.h"
#include "ppcboot.h"
void cuboot_init(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
unsigned long end_of_ram)
{
unsigned long avail_ram = end_of_ram - (unsigned long)_end;
loader_info.initrd_addr = r4;
loader_info.initrd_size = r4 ? r5 - r4 : 0;
loader_info.cmdline = (char *)r6;
loader_info.cmdline_len = r7 - r6;
simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
}