1/*
2 * BRIEF MODULE DESCRIPTION
3 *	PB1000 board setup
4 *
5 * Copyright 2001 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 *         	ppopov@mvista.com or source@mvista.com
8 *
9 *  This program is free software; you can redistribute  it and/or modify it
10 *  under  the terms of  the GNU General  Public License as published by the
11 *  Free Software Foundation;  either version 2 of the  License, or (at your
12 *  option) any later version.
13 *
14 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
15 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
16 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
17 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
18 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
20 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
22 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 *  You should have received a copy of the  GNU General Public License along
26 *  with this program; if not, write  to the Free Software Foundation, Inc.,
27 *  675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29#include <linux/init.h>
30#include <linux/mm.h>
31#include <linux/sched.h>
32#include <linux/bootmem.h>
33#include <asm/addrspace.h>
34#include <asm/bootinfo.h>
35#include <linux/string.h>
36#include <linux/kernel.h>
37
38int prom_argc;
39char **prom_argv, **prom_envp;
40extern void  __init prom_init_cmdline(void);
41extern char *prom_getenv(char *envname);
42
43const char *get_system_type(void)
44{
45	return "Alchemy Pb1000";
46}
47
48void __init prom_init(void)
49{
50	unsigned char *memsize_str;
51	unsigned long memsize;
52
53	prom_argc = (int) fw_arg0;
54	prom_argv = (char **) fw_arg1;
55	prom_envp = (char **) fw_arg2;
56
57	mips_machgroup = MACH_GROUP_ALCHEMY;
58	mips_machtype = MACH_PB1000;
59
60	prom_init_cmdline();
61	memsize_str = prom_getenv("memsize");
62	if (!memsize_str) {
63		memsize = 0x04000000;
64	} else {
65		memsize = simple_strtol(memsize_str, NULL, 0);
66	}
67	add_memory_region(0, memsize, BOOT_MEM_RAM);
68}
69