1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2009 Lemote Inc. 4 * Author: Wu Zhangjin, wuzhangjin@gmail.com 5 * 6 * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org> 7 */ 8 #include <linux/errno.h> 9 #include <asm/bootinfo.h> 10 11 #include <loongson.h> 12 #include <machine.h> 13 14 /* please ensure the length of the machtype string is less than 50 */ 15 #define MACHTYPE_LEN 50 16 17 static const char *system_types[] = { 18 [MACH_LOONGSON_UNKNOWN] = "unknown loongson machine", 19 [MACH_LEMOTE_FL2E] = "lemote-fuloong-2e-box", 20 [MACH_LEMOTE_FL2F] = "lemote-fuloong-2f-box", 21 [MACH_LEMOTE_ML2F7] = "lemote-mengloong-2f-7inches", 22 [MACH_LEMOTE_YL2F89] = "lemote-yeeloong-2f-8.9inches", 23 [MACH_DEXXON_GDIUM2F10] = "dexxon-gdium-2f", 24 [MACH_LEMOTE_NAS] = "lemote-nas-2f", 25 [MACH_LEMOTE_LL2F] = "lemote-lynloong-2f", 26 [MACH_LOONGSON_END] = NULL, 27 }; 28 29 const char *get_system_type(void) 30 { 31 return system_types[mips_machtype]; 32 } 33 34 void __weak __init mach_prom_init_machtype(void) 35 { 36 } 37 38 void __init prom_init_machtype(void) 39 { 40 char *p, str[MACHTYPE_LEN + 1]; 41 int machtype = MACH_LEMOTE_FL2E; 42 43 mips_machtype = LOONGSON_MACHTYPE; 44 45 p = strstr(arcs_cmdline, "machtype="); 46 if (!p) { 47 mach_prom_init_machtype(); 48 return; 49 } 50 p += strlen("machtype="); 51 strncpy(str, p, MACHTYPE_LEN); 52 str[MACHTYPE_LEN] = '\0'; 53 p = strstr(str, " "); 54 if (p) 55 *p = '\0'; 56 57 for (; system_types[machtype]; machtype++) 58 if (strstr(system_types[machtype], str)) { 59 mips_machtype = machtype; 60 break; 61 } 62 } 63