1/* 2 * Copyright (C) 2009 Lemote Inc. 3 * Author: Wu Zhangjin, wuzhangjin@gmail.com 4 * 5 * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 */ 12#include <linux/errno.h> 13#include <asm/bootinfo.h> 14 15#include <loongson.h> 16#include <machine.h> 17 18/* please ensure the length of the machtype string is less than 50 */ 19#define MACHTYPE_LEN 50 20 21static const char *system_types[] = { 22 [MACH_LOONGSON_UNKNOWN] "unknown loongson machine", 23 [MACH_LEMOTE_FL2E] "lemote-fuloong-2e-box", 24 [MACH_LEMOTE_FL2F] "lemote-fuloong-2f-box", 25 [MACH_LEMOTE_ML2F7] "lemote-mengloong-2f-7inches", 26 [MACH_LEMOTE_YL2F89] "lemote-yeeloong-2f-8.9inches", 27 [MACH_DEXXON_GDIUM2F10] "dexxon-gdium-2f", 28 [MACH_LEMOTE_NAS] "lemote-nas-2f", 29 [MACH_LEMOTE_LL2F] "lemote-lynloong-2f", 30 [MACH_LOONGSON_END] NULL, 31}; 32 33const char *get_system_type(void) 34{ 35 return system_types[mips_machtype]; 36} 37 38void __weak __init mach_prom_init_machtype(void) 39{ 40} 41 42void __init prom_init_machtype(void) 43{ 44 char *p, str[MACHTYPE_LEN + 1]; 45 int machtype = MACH_LEMOTE_FL2E; 46 47 mips_machtype = LOONGSON_MACHTYPE; 48 49 p = strstr(arcs_cmdline, "machtype="); 50 if (!p) { 51 mach_prom_init_machtype(); 52 return; 53 } 54 p += strlen("machtype="); 55 strncpy(str, p, MACHTYPE_LEN); 56 str[MACHTYPE_LEN] = '\0'; 57 p = strstr(str, " "); 58 if (p) 59 *p = '\0'; 60 61 for (; system_types[machtype]; machtype++) 62 if (strstr(system_types[machtype], str)) { 63 mips_machtype = machtype; 64 break; 65 } 66} 67