/* SPDX-License-Identifier: GPL-2.0-only */
/*
  * Copyright (C) 2014 ARM Ltd.
 */
#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_32bit {
        u32             reg_id_dfr0;
        u32             reg_id_dfr1;
        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_isar6;
        u32             reg_id_mmfr0;
        u32             reg_id_mmfr1;
        u32             reg_id_mmfr2;
        u32             reg_id_mmfr3;
        u32             reg_id_mmfr4;
        u32             reg_id_mmfr5;
        u32             reg_id_pfr0;
        u32             reg_id_pfr1;
        u32             reg_id_pfr2;

        u32             reg_mvfr0;
        u32             reg_mvfr1;
        u32             reg_mvfr2;
};

struct cpuinfo_arm64 {
        struct kobject  kobj;
        u64             reg_ctr;
        u64             reg_cntfrq;
        u64             reg_dczid;
        u64             reg_midr;
        u64             reg_revidr;
        u64             reg_aidr;
        u64             reg_gmid;
        u64             reg_smidr;
        u64             reg_mpamidr;

        u64             reg_id_aa64dfr0;
        u64             reg_id_aa64dfr1;
        u64             reg_id_aa64isar0;
        u64             reg_id_aa64isar1;
        u64             reg_id_aa64isar2;
        u64             reg_id_aa64isar3;
        u64             reg_id_aa64mmfr0;
        u64             reg_id_aa64mmfr1;
        u64             reg_id_aa64mmfr2;
        u64             reg_id_aa64mmfr3;
        u64             reg_id_aa64mmfr4;
        u64             reg_id_aa64pfr0;
        u64             reg_id_aa64pfr1;
        u64             reg_id_aa64pfr2;
        u64             reg_id_aa64zfr0;
        u64             reg_id_aa64smfr0;
        u64             reg_id_aa64fpfr0;

        struct cpuinfo_32bit    aarch32;
};

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 */