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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