1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
5*4882a593Smuzhiyun * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
6*4882a593Smuzhiyun * Copyright (C) 2013 John Crispin <john@phrozen.org>
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/string.h>
10*4882a593Smuzhiyun #include <linux/of_fdt.h>
11*4882a593Smuzhiyun #include <linux/of_platform.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <asm/bootinfo.h>
14*4882a593Smuzhiyun #include <asm/addrspace.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <asm/mach-ralink/ralink_regs.h>
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #include "common.h"
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun struct ralink_soc_info soc_info;
21*4882a593Smuzhiyun struct rt2880_pmx_group *rt2880_pinmux_data = NULL;
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun enum ralink_soc_type ralink_soc;
24*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(ralink_soc);
25*4882a593Smuzhiyun
get_system_type(void)26*4882a593Smuzhiyun const char *get_system_type(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun return soc_info.sys_type;
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
prom_init_cmdline(void)31*4882a593Smuzhiyun static __init void prom_init_cmdline(void)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun int argc;
34*4882a593Smuzhiyun char **argv;
35*4882a593Smuzhiyun int i;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
38*4882a593Smuzhiyun (unsigned int)fw_arg0, (unsigned int)fw_arg1,
39*4882a593Smuzhiyun (unsigned int)fw_arg2, (unsigned int)fw_arg3);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun argc = fw_arg0;
42*4882a593Smuzhiyun argv = (char **) KSEG1ADDR(fw_arg1);
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun if (!argv) {
45*4882a593Smuzhiyun pr_debug("argv=%p is invalid, skipping\n",
46*4882a593Smuzhiyun argv);
47*4882a593Smuzhiyun return;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun for (i = 0; i < argc; i++) {
51*4882a593Smuzhiyun char *p = (char *) KSEG1ADDR(argv[i]);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun if (CPHYSADDR(p) && *p) {
54*4882a593Smuzhiyun pr_debug("argv[%d]: %s\n", i, p);
55*4882a593Smuzhiyun strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
56*4882a593Smuzhiyun strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
prom_init(void)61*4882a593Smuzhiyun void __init prom_init(void)
62*4882a593Smuzhiyun {
63*4882a593Smuzhiyun prom_soc_init(&soc_info);
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun pr_info("SoC Type: %s\n", get_system_type());
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun prom_init_cmdline();
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun
prom_free_prom_memory(void)70*4882a593Smuzhiyun void __init prom_free_prom_memory(void)
71*4882a593Smuzhiyun {
72*4882a593Smuzhiyun }
73