[deliverable/linux.git] / arch / powerpc / boot / cuboot.c

/*
 * 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);
}
Commit	Line	Data
85aecac8 DG	1	/*
	2	* Compatibility for old (not device tree aware) U-Boot versions
	3	*
	4	* Author: Scott Wood <scottwood@freescale.com>
	5	* Consolidated using macros by David Gibson <david@gibson.dropbear.id.au>
	6	*
	7	* Copyright 2007 David Gibson, IBM Corporation.
	8	* Copyright (c) 2007 Freescale Semiconductor, Inc.
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License version 2 as published
	12	* by the Free Software Foundation.
	13	*/
	14
	15	#include "ops.h"
	16	#include "stdio.h"
	17
	18	#include "ppcboot.h"
	19
85aecac8 DG	20	void cuboot_init(unsigned long r4, unsigned long r5,
	21	unsigned long r6, unsigned long r7,
	22	unsigned long end_of_ram)
	23	{
	24	unsigned long avail_ram = end_of_ram - (unsigned long)_end;
	25
	26	loader_info.initrd_addr = r4;
	27	loader_info.initrd_size = r4 ? r5 - r4 : 0;
	28	loader_info.cmdline = (char *)r6;
	29	loader_info.cmdline_len = r7 - r6;
	30
	31	simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
	32	}