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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_BOOTINFO_H
#define _ASM_BOOTINFO_H
#include <linux/types.h>
#include <asm/setup.h>
const char *get_system_type(void);
extern void init_environ(void);
extern void memblock_init(void);
extern void platform_init(void);
extern int __init init_numa_memory(void);
struct loongson_board_info {
int bios_size;
const char *bios_vendor;
const char *bios_version;
const char *bios_release_date;
const char *board_name;
const char *board_vendor;
};
#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG)
/*
* The "core" of cores_per_node and cores_per_package stands for a
* logical core, which means in a SMT system it stands for a thread.
*/
struct loongson_system_configuration {
int nr_cpus;
int nr_nodes;
int boot_cpu_id;
int cores_per_node;
int cores_per_package;
unsigned long cores_io_master[NR_WORDS];
unsigned long suspend_addr;
const char *cpuname;
};
extern u64 efi_system_table;
extern unsigned long fw_arg0, fw_arg1, fw_arg2;
extern struct loongson_board_info b_info;
extern struct loongson_system_configuration loongson_sysconf;
static inline bool io_master(int cpu)
{
return test_bit(cpu, loongson_sysconf.cores_io_master);
}
#endif /* _ASM_BOOTINFO_H */
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