1/*
2 *  Copyright (C) NEC Electronics Corporation 2004-2006
3 *
4 *  This file is based on the arch/mips/ddb5xxx/common/prom.c
5 *
6 *	Copyright 2001 MontaVista Software Inc.
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License as published by
10 *  the Free Software Foundation; either version 2 of the License, or
11 *  (at your option) any later version.
12 *
13 *  This program is distributed in the hope that it will be useful,
14 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *  GNU General Public License for more details.
17 *
18 *  You should have received a copy of the GNU General Public License
19 *  along with this program; if not, write to the Free Software
20 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21 */
22#include <linux/init.h>
23#include <linux/mm.h>
24#include <linux/sched.h>
25#include <linux/bootmem.h>
26
27#include <asm/addrspace.h>
28#include <asm/bootinfo.h>
29#include <asm/emma/emma2rh.h>
30
31const char *get_system_type(void)
32{
33#ifdef CONFIG_NEC_MARKEINS
34	return "NEC EMMA2RH Mark-eins";
35#else
36#error  Unknown NEC board
37#endif
38}
39
40/* [jsun@junsun.net] PMON passes arguments in C main() style */
41void __init prom_init(void)
42{
43	int argc = fw_arg0;
44	char **arg = (char **)fw_arg1;
45	int i;
46
47	/* if user passes kernel args, ignore the default one */
48	if (argc > 1)
49		arcs_cmdline[0] = '\0';
50
51	/* arg[0] is "g", the rest is boot parameters */
52	for (i = 1; i < argc; i++) {
53		if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
54		    >= sizeof(arcs_cmdline))
55			break;
56		strcat(arcs_cmdline, arg[i]);
57		strcat(arcs_cmdline, " ");
58	}
59
60#ifdef CONFIG_NEC_MARKEINS
61	add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
62#else
63#error  Unknown NEC board
64#endif
65}
66
67void __init prom_free_prom_memory(void)
68{
69}
70