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
11 const char *get_system_type(void);
12
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);
17
18 struct 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
29 struct 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
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;
44
45 static 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
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