1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
5 #ifndef _ASM_BOOTINFO_H
6 #define _ASM_BOOTINFO_H
8 #include <linux/types.h>
11 const char *get_system_type(void);
13 extern void init_environ(void);
14 extern void memblock_init(void);
15 extern void platform_init(void);
16 extern int __init init_numa_memory(void);
18 struct loongson_board_info {
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;
27 #define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG)
29 struct loongson_system_configuration {
34 int cores_per_package;
35 unsigned long cores_io_master[NR_WORDS];
36 unsigned long suspend_addr;
40 extern u64 efi_system_table;
41 extern unsigned long fw_arg0, fw_arg1, fw_arg2;
42 extern struct loongson_board_info b_info;
43 extern struct loongson_system_configuration loongson_sysconf;
45 static inline bool io_master(int cpu)
47 return test_bit(cpu, loongson_sysconf.cores_io_master);
50 #endif /* _ASM_BOOTINFO_H */