prom.c
1.62 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
*/
#include <linux/string.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/ralink_regs.h>
#include "common.h"
struct ralink_soc_info soc_info;
struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
enum ralink_soc_type ralink_soc;
EXPORT_SYMBOL_GPL(ralink_soc);
const char *get_system_type(void)
{
return soc_info.sys_type;
}
static __init void prom_init_cmdline(int argc, char **argv)
{
int i;
pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
(unsigned int)fw_arg0, (unsigned int)fw_arg1,
(unsigned int)fw_arg2, (unsigned int)fw_arg3);
argc = fw_arg0;
argv = (char **) KSEG1ADDR(fw_arg1);
if (!argv) {
pr_debug("argv=%p is invalid, skipping\n",
argv);
return;
}
for (i = 0; i < argc; i++) {
char *p = (char *) KSEG1ADDR(argv[i]);
if (CPHYSADDR(p) && *p) {
pr_debug("argv[%d]: %s\n", i, p);
strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
}
}
}
void __init prom_init(void)
{
int argc;
char **argv;
prom_soc_init(&soc_info);
pr_info("SoC Type: %s\n", get_system_type());
prom_init_cmdline(argc, argv);
}
void __init prom_free_prom_memory(void)
{
}