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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> | |
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 | ||
20 | struct ralink_soc_info soc_info; | |
21 | ||
22 | const char *get_system_type(void) | |
23 | { | |
24 | return soc_info.sys_type; | |
25 | } | |
26 | ||
27 | static __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 | ||
55 | void __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 | ||
67 | void __init prom_free_prom_memory(void) | |
68 | { | |
69 | } |