linux/arch/arm64/include/asm/cpu.h
Anshuman Khandual 858b8a8039 arm64/cpuinfo: Add ID_MMFR4_EL1 into the cpuinfo_arm64 context
ID_MMFR4_EL1 has been missing in the CPU context (i.e cpuinfo_arm64). This
just adds the register along with other required changes.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1589881254-10082-18-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2020-05-21 15:47:12 +01:00

72 lines
1.4 KiB
C

/* 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_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_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;
/* 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 */