1/*
2 *  prom.c:
3 *
4 *  Copyright 2008 NXP Semiconductors
5 *	  Chris Steel <chris.steel@nxp.com>
6 *    Daniel Laird <daniel.j.laird@nxp.com>
7 *
8 *  Based on software written by:
9 *	Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
10 *
11 *  This program is free software; you can redistribute it and/or modify
12 *  it under the terms of the GNU General Public License as published by
13 *  the Free Software Foundation; either version 2 of the License, or
14 *  (at your option) any later version.
15 *
16 *  This program is distributed in the hope that it will be useful,
17 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
18 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 *  GNU General Public License for more details.
20 *
21 *  You should have received a copy of the GNU General Public License
22 *  along with this program; if not, write to the Free Software
23 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25#include <linux/init.h>
26#include <asm/bootinfo.h>
27#include <linux/string.h>
28
29void __init prom_init_cmdline(void)
30{
31	int argc = fw_arg0;
32	char **argv = (char **)fw_arg1;
33	char *c = &(arcs_cmdline[0]);
34	int i;
35
36	for (i = 1; i < argc; i++) {
37		strcpy(c, argv[i]);
38		c += strlen(argv[i]);
39		if (i < argc-1)
40			*c++ = ' ';
41	}
42	*c = 0;
43}
44
45char __init *prom_getenv(char *envname)
46{
47	extern char **prom_envp;
48	char **env = prom_envp;
49	int i;
50
51	i = strlen(envname);
52
53	while (*env) {
54		if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=')
55			return *env + i + 1;
56		env++;
57	}
58
59	return 0;
60}
61
62void __init prom_free_prom_memory(void)
63{
64}
65