162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#include <linux/io.h> 762306a36Sopenharmony_ci#include <linux/init.h> 862306a36Sopenharmony_ci#include <linux/smp.h> 962306a36Sopenharmony_ci#include <asm/cpu-info.h> 1062306a36Sopenharmony_ci#include <asm/bootinfo.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciconst char *get_system_type(void) 1362306a36Sopenharmony_ci{ 1462306a36Sopenharmony_ci unsigned int processor_id = (¤t_cpu_data)->processor_id; 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci switch (processor_id & PRID_REV_MASK) { 1762306a36Sopenharmony_ci case PRID_REV_LOONGSON1B: 1862306a36Sopenharmony_ci#if defined(CONFIG_LOONGSON1_LS1B) 1962306a36Sopenharmony_ci return "LOONGSON LS1B"; 2062306a36Sopenharmony_ci#elif defined(CONFIG_LOONGSON1_LS1C) 2162306a36Sopenharmony_ci return "LOONGSON LS1C"; 2262306a36Sopenharmony_ci#endif 2362306a36Sopenharmony_ci default: 2462306a36Sopenharmony_ci return "LOONGSON (unknown)"; 2562306a36Sopenharmony_ci } 2662306a36Sopenharmony_ci} 27