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 struct rt2880_pmx_group *rt2880_pinmux_data = NULL; 22 23 const char *get_system_type(void) 24 { 25 return soc_info.sys_type; 26 } 27 28 static __init void prom_init_cmdline(int argc, char **argv) 29 { 30 int i; 31 32 pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n", 33 (unsigned int)fw_arg0, (unsigned int)fw_arg1, 34 (unsigned int)fw_arg2, (unsigned int)fw_arg3); 35 36 argc = fw_arg0; 37 argv = (char **) KSEG1ADDR(fw_arg1); 38 39 if (!argv) { 40 pr_debug("argv=%p is invalid, skipping\n", 41 argv); 42 return; 43 } 44 45 for (i = 0; i < argc; i++) { 46 char *p = (char *) KSEG1ADDR(argv[i]); 47 48 if (CPHYSADDR(p) && *p) { 49 pr_debug("argv[%d]: %s\n", i, p); 50 strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); 51 strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); 52 } 53 } 54 } 55 56 void __init prom_init(void) 57 { 58 int argc; 59 char **argv; 60 61 prom_soc_init(&soc_info); 62 63 pr_info("SoC Type: %s\n", get_system_type()); 64 65 prom_init_cmdline(argc, argv); 66 } 67 68 void __init prom_free_prom_memory(void) 69 { 70 } 71