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 22 const char *get_system_type(void) 23 { 24 return soc_info.sys_type; 25 } 26 27 static __init void prom_init_cmdline(int argc, char **argv) 28 { 29 int i; 30 31 pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n", 32 (unsigned int)fw_arg0, (unsigned int)fw_arg1, 33 (unsigned int)fw_arg2, (unsigned int)fw_arg3); 34 35 argc = fw_arg0; 36 argv = (char **) KSEG1ADDR(fw_arg1); 37 38 if (!argv) { 39 pr_debug("argv=%p is invalid, skipping\n", 40 argv); 41 return; 42 } 43 44 for (i = 0; i < argc; i++) { 45 char *p = (char *) KSEG1ADDR(argv[i]); 46 47 if (CPHYSADDR(p) && *p) { 48 pr_debug("argv[%d]: %s\n", i, p); 49 strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); 50 strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); 51 } 52 } 53 } 54 55 void __init prom_init(void) 56 { 57 int argc; 58 char **argv; 59 60 prom_soc_init(&soc_info); 61 62 pr_info("SoC Type: %s\n", get_system_type()); 63 64 prom_init_cmdline(argc, argv); 65 } 66 67 void __init prom_free_prom_memory(void) 68 { 69 } 70