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 28 const char *get_system_type(void) 29 { 30 return soc_info.sys_type; 31 } 32 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 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 72 void __init prom_free_prom_memory(void) 73 { 74 } 75