/*
|
* Copyright (C) 2014 ARM Ltd.
|
*
|
* This program is free software; you can redistribute it and/or modify
|
* it under the terms of the GNU General Public License version 2 as
|
* published by the Free Software Foundation.
|
*
|
* This program is distributed in the hope that it will be useful,
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* GNU General Public License for more details.
|
*
|
* You should have received a copy of the GNU General Public License
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
*/
|
#ifndef __ASM_CPU_H
|
#define __ASM_CPU_H
|
|
#include <linux/cpu.h>
|
#include <linux/init.h>
|
#include <linux/percpu.h>
|
|
/*
|
* Records attributes of an individual CPU.
|
*/
|
struct cpuinfo_arm64 {
|
struct cpu cpu;
|
struct kobject kobj;
|
u32 reg_ctr;
|
u32 reg_cntfrq;
|
u32 reg_dczid;
|
u32 reg_midr;
|
u32 reg_revidr;
|
|
u64 reg_id_aa64dfr0;
|
u64 reg_id_aa64dfr1;
|
u64 reg_id_aa64isar0;
|
u64 reg_id_aa64isar1;
|
u64 reg_id_aa64mmfr0;
|
u64 reg_id_aa64mmfr1;
|
u64 reg_id_aa64mmfr2;
|
u64 reg_id_aa64pfr0;
|
u64 reg_id_aa64pfr1;
|
u64 reg_id_aa64zfr0;
|
|
u32 reg_id_dfr0;
|
u32 reg_id_isar0;
|
u32 reg_id_isar1;
|
u32 reg_id_isar2;
|
u32 reg_id_isar3;
|
u32 reg_id_isar4;
|
u32 reg_id_isar5;
|
u32 reg_id_mmfr0;
|
u32 reg_id_mmfr1;
|
u32 reg_id_mmfr2;
|
u32 reg_id_mmfr3;
|
u32 reg_id_pfr0;
|
u32 reg_id_pfr1;
|
|
u32 reg_mvfr0;
|
u32 reg_mvfr1;
|
u32 reg_mvfr2;
|
|
/* pseudo-ZCR for recording maximum ZCR_EL1 LEN value: */
|
u64 reg_zcr;
|
};
|
|
DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data);
|
|
void cpuinfo_store_cpu(void);
|
void __init cpuinfo_store_boot_cpu(void);
|
|
void __init init_cpu_features(struct cpuinfo_arm64 *info);
|
void update_cpu_features(int cpu, struct cpuinfo_arm64 *info,
|
struct cpuinfo_arm64 *boot);
|
|
#endif /* __ASM_CPU_H */
|
