1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5#ifndef _ASM_BOOTINFO_H 6#define _ASM_BOOTINFO_H 7 8#include <linux/types.h> 9#include <asm/setup.h> 10 11const char *get_system_type(void); 12 13extern void init_environ(void); 14extern void memblock_init(void); 15extern void platform_init(void); 16extern int __init init_numa_memory(void); 17 18struct loongson_board_info { 19 int bios_size; 20 const char *bios_vendor; 21 const char *bios_version; 22 const char *bios_release_date; 23 const char *board_name; 24 const char *board_vendor; 25}; 26 27#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG) 28 29struct loongson_system_configuration { 30 int nr_cpus; 31 int nr_nodes; 32 int boot_cpu_id; 33 int cores_per_node; 34 int cores_per_package; 35 unsigned long cores_io_master[NR_WORDS]; 36 unsigned long suspend_addr; 37 const char *cpuname; 38}; 39 40extern u64 efi_system_table; 41extern unsigned long fw_arg0, fw_arg1, fw_arg2; 42extern struct loongson_board_info b_info; 43extern struct loongson_system_configuration loongson_sysconf; 44 45static inline bool io_master(int cpu) 46{ 47 return test_bit(cpu, loongson_sysconf.cores_io_master); 48} 49 50#endif /* _ASM_BOOTINFO_H */ 51