John Crispin | 7e47cef | 2013-01-20 22:01:05 +0100 | [diff] [blame] | 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> |
John Crispin | 97b9210 | 2016-05-05 09:57:56 +0200 | [diff] [blame] | 8 | * Copyright (C) 2013 John Crispin <john@phrozen.org> |
John Crispin | 7e47cef | 2013-01-20 22:01:05 +0100 | [diff] [blame] | 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 | |
John Crispin | 418d29c | 2015-11-04 11:50:07 +0100 | [diff] [blame] | 18 | #include <asm/mach-ralink/ralink_regs.h> |
| 19 | |
John Crispin | 7e47cef | 2013-01-20 22:01:05 +0100 | [diff] [blame] | 20 | #include "common.h" |
| 21 | |
| 22 | struct ralink_soc_info soc_info; |
John Crispin | f576fb6 | 2014-10-09 04:02:53 +0200 | [diff] [blame] | 23 | struct rt2880_pmx_group *rt2880_pinmux_data = NULL; |
John Crispin | 7e47cef | 2013-01-20 22:01:05 +0100 | [diff] [blame] | 24 | |
John Crispin | 418d29c | 2015-11-04 11:50:07 +0100 | [diff] [blame] | 25 | enum ralink_soc_type ralink_soc; |
| 26 | EXPORT_SYMBOL_GPL(ralink_soc); |
| 27 | |
John Crispin | 7e47cef | 2013-01-20 22:01:05 +0100 | [diff] [blame] | 28 | const char *get_system_type(void) |
| 29 | { |
| 30 | return soc_info.sys_type; |
| 31 | } |
| 32 | |
| 33 | static __init void prom_init_cmdline(int argc, char **argv) |
| 34 | { |
| 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 | |
| 61 | void __init prom_init(void) |
| 62 | { |
| 63 | int argc; |
| 64 | char **argv; |
| 65 | |
| 66 | prom_soc_init(&soc_info); |
| 67 | |
| 68 | pr_info("SoC Type: %s\n", get_system_type()); |
| 69 | |
| 70 | prom_init_cmdline(argc, argv); |
| 71 | } |
| 72 | |
| 73 | void __init prom_free_prom_memory(void) |
| 74 | { |
| 75 | } |