1/*
2 *
3 * BRIEF MODULE DESCRIPTION
4 *	Pb1100 board setup
5 *
6 * Copyright 2002 MontaVista Software Inc.
7 * Author: MontaVista Software, Inc.
8 *         	ppopov@mvista.com or source@mvista.com
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 as published by the
12 *  Free Software Foundation;  either version 2 of the  License, or (at your
13 *  option) any later version.
14 *
15 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
16 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
17 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
18 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
19 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
21 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
23 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 *  You should have received a copy of the  GNU General Public License along
27 *  with this program; if not, write  to the Free Software Foundation, Inc.,
28 *  675 Mass Ave, Cambridge, MA 02139, USA.
29 */
30
31#include <linux/init.h>
32#include <linux/mm.h>
33#include <linux/sched.h>
34#include <linux/bootmem.h>
35#include <asm/addrspace.h>
36#include <asm/bootinfo.h>
37#include <linux/config.h>
38#include <linux/string.h>
39#include <linux/kernel.h>
40#include <linux/sched.h>
41
42int prom_argc;
43char **prom_argv, **prom_envp;
44extern void  __init prom_init_cmdline(void);
45extern char *prom_getenv(char *envname);
46
47const char *get_system_type(void)
48{
49	return "Alchemy Pb1100";
50}
51
52int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
53{
54	unsigned char *memsize_str;
55	unsigned long memsize;
56
57	prom_argc = argc;
58	prom_argv = argv;
59	prom_envp = envp;
60
61	mips_machgroup = MACH_GROUP_ALCHEMY;
62	mips_machtype = MACH_PB1100;
63
64	prom_init_cmdline();
65	memsize_str = prom_getenv("memsize");
66	if (!memsize_str) {
67		memsize = 0x04000000;
68	} else {
69		memsize = simple_strtol(memsize_str, NULL, 0);
70	}
71	add_memory_region(0, memsize, BOOT_MEM_RAM);
72	return 0;
73}
74