1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #include <linux/io.h> 7*4882a593Smuzhiyun #include <linux/init.h> 8*4882a593Smuzhiyun #include <linux/smp.h> 9*4882a593Smuzhiyun #include <asm/cpu-info.h> 10*4882a593Smuzhiyun #include <asm/bootinfo.h> 11*4882a593Smuzhiyun get_system_type(void)12*4882a593Smuzhiyunconst char *get_system_type(void) 13*4882a593Smuzhiyun { 14*4882a593Smuzhiyun unsigned int processor_id = (¤t_cpu_data)->processor_id; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun switch (processor_id & PRID_REV_MASK) { 17*4882a593Smuzhiyun case PRID_REV_LOONGSON1B: 18*4882a593Smuzhiyun #if defined(CONFIG_LOONGSON1_LS1B) 19*4882a593Smuzhiyun return "LOONGSON LS1B"; 20*4882a593Smuzhiyun #elif defined(CONFIG_LOONGSON1_LS1C) 21*4882a593Smuzhiyun return "LOONGSON LS1C"; 22*4882a593Smuzhiyun #endif 23*4882a593Smuzhiyun default: 24*4882a593Smuzhiyun return "LOONGSON (unknown)"; 25*4882a593Smuzhiyun } 26*4882a593Smuzhiyun } 27