1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> 4 */ 5 6 #include <linux/io.h> 7 #include <linux/init.h> 8 #include <linux/smp.h> 9 #include <asm/cpu-info.h> 10 #include <asm/bootinfo.h> 11 12 const char *get_system_type(void) 13 { 14 unsigned int processor_id = (¤t_cpu_data)->processor_id; 15 16 switch (processor_id & PRID_REV_MASK) { 17 case PRID_REV_LOONGSON1B: 18 #if defined(CONFIG_LOONGSON1_LS1B) 19 return "LOONGSON LS1B"; 20 #elif defined(CONFIG_LOONGSON1_LS1C) 21 return "LOONGSON LS1C"; 22 #endif 23 default: 24 return "LOONGSON (unknown)"; 25 } 26 } 27