powerpc/85xx: Added 36-bit physical device tree for mpc8536ds board
[linux-2.6.git] / arch / powerpc / boot / cuboot.c
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
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 }