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7e47cefa JC |
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> | |
97b92108 | 8 | * Copyright (C) 2013 John Crispin <john@phrozen.org> |
7e47cefa JC |
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 | ||
418d29c8 JC |
18 | #include <asm/mach-ralink/ralink_regs.h> |
19 | ||
7e47cefa JC |
20 | #include "common.h" |
21 | ||
22 | struct ralink_soc_info soc_info; | |
f576fb6a | 23 | struct rt2880_pmx_group *rt2880_pinmux_data = NULL; |
7e47cefa | 24 | |
418d29c8 JC |
25 | enum ralink_soc_type ralink_soc; |
26 | EXPORT_SYMBOL_GPL(ralink_soc); | |
27 | ||
7e47cefa JC |
28 | const char *get_system_type(void) |
29 | { | |
30 | return soc_info.sys_type; | |
31 | } | |
32 | ||
9c48568b | 33 | static __init void prom_init_cmdline(void) |
7e47cefa | 34 | { |
9c48568b JC |
35 | int argc; |
36 | char **argv; | |
7e47cefa JC |
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 | ||
63 | void __init prom_init(void) | |
64 | { | |
7e47cefa JC |
65 | prom_soc_init(&soc_info); |
66 | ||
67 | pr_info("SoC Type: %s\n", get_system_type()); | |
68 | ||
9c48568b | 69 | prom_init_cmdline(); |
7e47cefa JC |
70 | } |
71 | ||
72 | void __init prom_free_prom_memory(void) | |
73 | { | |
74 | } |