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
22 struct ralink_soc_info soc_info;
23 struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
24
25 enum ralink_soc_type ralink_soc;
26 EXPORT_SYMBOL_GPL(ralink_soc);
27
get_system_type(void)28 const char *get_system_type(void)
29 {
30 return soc_info.sys_type;
31 }
32
prom_init_cmdline(void)33 static __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
prom_init(void)63 void __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
prom_free_prom_memory(void)72 void __init prom_free_prom_memory(void)
73 {
74 }
75
