blob: 9c64f029d047efa995b0437ec4c19870594b71ed [file] [log] [blame]
John Crispin7e47cef2013-01-20 22:01:05 +01001/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
5 *
6 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
7 * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
8 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
9 */
10
11#include <linux/string.h>
12#include <linux/of_fdt.h>
13#include <linux/of_platform.h>
14
15#include <asm/bootinfo.h>
16#include <asm/addrspace.h>
17
18#include "common.h"
19
20struct ralink_soc_info soc_info;
21
22const char *get_system_type(void)
23{
24 return soc_info.sys_type;
25}
26
27static __init void prom_init_cmdline(int argc, char **argv)
28{
29 int i;
30
31 pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
32 (unsigned int)fw_arg0, (unsigned int)fw_arg1,
33 (unsigned int)fw_arg2, (unsigned int)fw_arg3);
34
35 argc = fw_arg0;
36 argv = (char **) KSEG1ADDR(fw_arg1);
37
38 if (!argv) {
39 pr_debug("argv=%p is invalid, skipping\n",
40 argv);
41 return;
42 }
43
44 for (i = 0; i < argc; i++) {
45 char *p = (char *) KSEG1ADDR(argv[i]);
46
47 if (CPHYSADDR(p) && *p) {
48 pr_debug("argv[%d]: %s\n", i, p);
49 strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
50 strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
51 }
52 }
53}
54
55void __init prom_init(void)
56{
57 int argc;
58 char **argv;
59
60 prom_soc_init(&soc_info);
61
62 pr_info("SoC Type: %s\n", get_system_type());
63
64 prom_init_cmdline(argc, argv);
65}
66
67void __init prom_free_prom_memory(void)
68{
69}