1 /* 2 * Copyright (C) 2014 ARM Ltd. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 #ifndef __ASM_CPU_H 17 #define __ASM_CPU_H 18 19 #include <linux/cpu.h> 20 #include <linux/init.h> 21 #include <linux/percpu.h> 22 23 /* 24 * Records attributes of an individual CPU. 25 */ 26 struct cpuinfo_arm64 { 27 struct cpu cpu; 28 u32 reg_ctr; 29 u32 reg_cntfrq; 30 u32 reg_dczid; 31 u32 reg_midr; 32 33 u64 reg_id_aa64isar0; 34 u64 reg_id_aa64isar1; 35 u64 reg_id_aa64mmfr0; 36 u64 reg_id_aa64mmfr1; 37 u64 reg_id_aa64pfr0; 38 u64 reg_id_aa64pfr1; 39 40 u32 reg_id_isar0; 41 u32 reg_id_isar1; 42 u32 reg_id_isar2; 43 u32 reg_id_isar3; 44 u32 reg_id_isar4; 45 u32 reg_id_isar5; 46 u32 reg_id_mmfr0; 47 u32 reg_id_mmfr1; 48 u32 reg_id_mmfr2; 49 u32 reg_id_mmfr3; 50 u32 reg_id_pfr0; 51 u32 reg_id_pfr1; 52 }; 53 54 DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data); 55 56 void cpuinfo_store_cpu(void); 57 void __init cpuinfo_store_boot_cpu(void); 58 59 #endif /* __ASM_CPU_H */ 60