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
get_system_type(void)22 const char *get_system_type(void)
23 {
24 return soc_info.sys_type;
25 }
26
prom_init_cmdline(void)27 static __init void prom_init_cmdline(void)
28 {
29 int argc;
30 char **argv;
31 int i;
32
33 pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
34 (unsigned int)fw_arg0, (unsigned int)fw_arg1,
35 (unsigned int)fw_arg2, (unsigned int)fw_arg3);
36
37 argc = fw_arg0;
38 argv = (char **) KSEG1ADDR(fw_arg1);
39
40 if (!argv) {
41 pr_debug("argv=%p is invalid, skipping\n",
42 argv);
43 return;
44 }
45
46 for (i = 0; i < argc; i++) {
47 char *p = (char *) KSEG1ADDR(argv[i]);
48
49 if (CPHYSADDR(p) && *p) {
50 pr_debug("argv[%d]: %s\n", i, p);
51 strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
52 strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
53 }
54 }
55 }
56
prom_init(void)57 void __init prom_init(void)
58 {
59 prom_soc_init(&soc_info);
60
61 pr_info("SoC Type: %s\n", get_system_type());
62
63 prom_init_cmdline();
64 }
65
prom_free_prom_memory(void)66 void __init prom_free_prom_memory(void)
67 {
68 }
69