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 void plat_swiotlb_setup(void); 17 extern int __init init_numa_memory(void); 18 19 struct loongson_board_info { 20 int bios_size; 21 const char *bios_vendor; 22 const char *bios_version; 23 const char *bios_release_date; 24 const char *board_name; 25 const char *board_vendor; 26 }; 27 28 struct loongson_system_configuration { 29 int nr_cpus; 30 int nr_nodes; 31 int boot_cpu_id; 32 int cores_per_node; 33 int cores_per_package; 34 unsigned long cores_io_master; 35 const char *cpuname; 36 }; 37 38 extern u64 efi_system_table; 39 extern unsigned long fw_arg0, fw_arg1, fw_arg2; 40 extern struct loongson_board_info b_info; 41 extern struct loongson_system_configuration loongson_sysconf; 42 43 static inline bool io_master(int cpu) 44 { 45 return test_bit(cpu, &loongson_sysconf.cores_io_master); 46 } 47 48 #endif /* _ASM_BOOTINFO_H */ 49