1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 *
4 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
6 * Copyright (C) 2013 John Crispin <john@phrozen.org>
7 */
8
9 #include <linux/string.h>
10 #include <linux/of_fdt.h>
11 #include <linux/of_platform.h>
12
13 #include <asm/bootinfo.h>
14 #include <asm/addrspace.h>
15
16 #include <asm/mach-ralink/ralink_regs.h>
17
18 #include "common.h"
19
20 struct ralink_soc_info soc_info;
21 struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
22
23 enum ralink_soc_type ralink_soc;
24 EXPORT_SYMBOL_GPL(ralink_soc);
25
get_system_type(void)26 const char *get_system_type(void)
27 {
28 return soc_info.sys_type;
29 }
30
prom_init_cmdline(void)31 static __init void prom_init_cmdline(void)
32 {
33 int argc;
34 char **argv;
35 int i;
36
37 pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
38 (unsigned int)fw_arg0, (unsigned int)fw_arg1,
39 (unsigned int)fw_arg2, (unsigned int)fw_arg3);
40
41 argc = fw_arg0;
42 argv = (char **) KSEG1ADDR(fw_arg1);
43
44 if (!argv) {
45 pr_debug("argv=%p is invalid, skipping\n",
46 argv);
47 return;
48 }
49
50 for (i = 0; i < argc; i++) {
51 char *p = (char *) KSEG1ADDR(argv[i]);
52
53 if (CPHYSADDR(p) && *p) {
54 pr_debug("argv[%d]: %s\n", i, p);
55 strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
56 strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
57 }
58 }
59 }
60
prom_init(void)61 void __init prom_init(void)
62 {
63 prom_soc_init(&soc_info);
64
65 pr_info("SoC Type: %s\n", get_system_type());
66
67 prom_init_cmdline();
68 }
69
prom_free_prom_memory(void)70 void __init prom_free_prom_memory(void)
71 {
72 }
73