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