1/*
 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 <john@phrozen.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 <asm/mach-ralink/ralink_regs.h>
19
20#include "common.h"
21
22struct ralink_soc_info soc_info;
23struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
24
25enum ralink_soc_type ralink_soc;
26EXPORT_SYMBOL_GPL(ralink_soc);
27
28const char *get_system_type(void)
29{
30	return soc_info.sys_type;
31}
32
33static __init void prom_init_cmdline(void)
34{
35	int argc;
36	char **argv;
37	int i;
38
39	pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
40	       (unsigned int)fw_arg0, (unsigned int)fw_arg1,
41	       (unsigned int)fw_arg2, (unsigned int)fw_arg3);
42
43	argc = fw_arg0;
44	argv = (char **) KSEG1ADDR(fw_arg1);
45
46	if (!argv) {
47		pr_debug("argv=%p is invalid, skipping\n",
48		       argv);
49		return;
50	}
51
52	for (i = 0; i < argc; i++) {
53		char *p = (char *) KSEG1ADDR(argv[i]);
54
55		if (CPHYSADDR(p) && *p) {
56			pr_debug("argv[%d]: %s\n", i, p);
57			strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
58			strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
59		}
60	}
61}
62
63void __init prom_init(void)
64{
65	prom_soc_init(&soc_info);
66
67	pr_info("SoC Type: %s\n", get_system_type());
68
69	prom_init_cmdline();
70}
71
72void __init prom_free_prom_memory(void)
73{
74}