arch/arm64/include/asm/cputype.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2012 ARM Ltd.
  */
 #ifndef __ASM_CPUTYPE_H
 #define __ASM_CPUTYPE_H

 #define INVALID_HWID		ULONG_MAX

 #define MPIDR_UP_BITMASK	(0x1 << 30)
 #define MPIDR_MT_BITMASK	(0x1 << 24)
 #define MPIDR_HWID_BITMASK	UL(0xff00ffffff)

 #define MPIDR_LEVEL_BITS_SHIFT	3
 #define MPIDR_LEVEL_BITS	(1 << MPIDR_LEVEL_BITS_SHIFT)
 #define MPIDR_LEVEL_MASK	((1 << MPIDR_LEVEL_BITS) - 1)

 #define MPIDR_LEVEL_SHIFT(level) \
 	(((1 << level) >> 1) << MPIDR_LEVEL_BITS_SHIFT)

 #define MPIDR_AFFINITY_LEVEL(mpidr, level) \
 	((mpidr >> MPIDR_LEVEL_SHIFT(level)) & MPIDR_LEVEL_MASK)

 #define MIDR_REVISION_MASK	0xf
 #define MIDR_REVISION(midr)	((midr) & MIDR_REVISION_MASK)
 #define MIDR_PARTNUM_SHIFT	4
 #define MIDR_PARTNUM_MASK	(0xfff << MIDR_PARTNUM_SHIFT)
 #define MIDR_PARTNUM(midr)	\
 	(((midr) & MIDR_PARTNUM_MASK) >> MIDR_PARTNUM_SHIFT)
 #define MIDR_ARCHITECTURE_SHIFT	16
 #define MIDR_ARCHITECTURE_MASK	(0xf << MIDR_ARCHITECTURE_SHIFT)
 #define MIDR_ARCHITECTURE(midr)	\
 	(((midr) & MIDR_ARCHITECTURE_MASK) >> MIDR_ARCHITECTURE_SHIFT)
 #define MIDR_VARIANT_SHIFT	20
 #define MIDR_VARIANT_MASK	(0xf << MIDR_VARIANT_SHIFT)
 #define MIDR_VARIANT(midr)	\
 	(((midr) & MIDR_VARIANT_MASK) >> MIDR_VARIANT_SHIFT)
 #define MIDR_IMPLEMENTOR_SHIFT	24
 #define MIDR_IMPLEMENTOR_MASK	(0xff << MIDR_IMPLEMENTOR_SHIFT)
 #define MIDR_IMPLEMENTOR(midr)	\
 	(((midr) & MIDR_IMPLEMENTOR_MASK) >> MIDR_IMPLEMENTOR_SHIFT)

 #define MIDR_CPU_MODEL(imp, partnum) \
 	(((imp)			<< MIDR_IMPLEMENTOR_SHIFT) | \
 	(0xf			<< MIDR_ARCHITECTURE_SHIFT) | \
 	((partnum)		<< MIDR_PARTNUM_SHIFT))

 #define MIDR_CPU_VAR_REV(var, rev) \
 	(((var)	<< MIDR_VARIANT_SHIFT) | (rev))

 #define MIDR_CPU_MODEL_MASK (MIDR_IMPLEMENTOR_MASK | MIDR_PARTNUM_MASK | \
 			     MIDR_ARCHITECTURE_MASK)

 #define ARM_CPU_IMP_ARM			0x41
 #define ARM_CPU_IMP_APM			0x50
 #define ARM_CPU_IMP_CAVIUM		0x43
 #define ARM_CPU_IMP_BRCM		0x42
 #define ARM_CPU_IMP_QCOM		0x51
 #define ARM_CPU_IMP_NVIDIA		0x4E
 #define ARM_CPU_IMP_FUJITSU		0x46
 #define ARM_CPU_IMP_HISI		0x48

 #define ARM_CPU_PART_AEM_V8		0xD0F
 #define ARM_CPU_PART_FOUNDATION		0xD00
 #define ARM_CPU_PART_CORTEX_A57		0xD07
 #define ARM_CPU_PART_CORTEX_A72		0xD08
 #define ARM_CPU_PART_CORTEX_A53		0xD03
 #define ARM_CPU_PART_CORTEX_A73		0xD09
 #define ARM_CPU_PART_CORTEX_A75		0xD0A
 #define ARM_CPU_PART_CORTEX_A35		0xD04
 #define ARM_CPU_PART_CORTEX_A55		0xD05
 #define ARM_CPU_PART_CORTEX_A76		0xD0B
 #define ARM_CPU_PART_NEOVERSE_N1	0xD0C
 #define ARM_CPU_PART_CORTEX_A77		0xD0D

 #define APM_CPU_PART_POTENZA		0x000

 #define CAVIUM_CPU_PART_THUNDERX	0x0A1
 #define CAVIUM_CPU_PART_THUNDERX_81XX	0x0A2
 #define CAVIUM_CPU_PART_THUNDERX_83XX	0x0A3
 #define CAVIUM_CPU_PART_THUNDERX2	0x0AF

 #define BRCM_CPU_PART_BRAHMA_B53	0x100
 #define BRCM_CPU_PART_VULCAN		0x516

 #define QCOM_CPU_PART_FALKOR_V1		0x800
 #define QCOM_CPU_PART_FALKOR		0xC00
 #define QCOM_CPU_PART_KRYO		0x200
 #define QCOM_CPU_PART_KRYO_2XX_GOLD	0x800
 #define QCOM_CPU_PART_KRYO_2XX_SILVER	0x801
 #define QCOM_CPU_PART_KRYO_3XX_SILVER	0x803
 #define QCOM_CPU_PART_KRYO_4XX_GOLD	0x804
 #define QCOM_CPU_PART_KRYO_4XX_SILVER	0x805

 #define NVIDIA_CPU_PART_DENVER		0x003
 #define NVIDIA_CPU_PART_CARMEL		0x004

 #define FUJITSU_CPU_PART_A64FX		0x001

 #define HISI_CPU_PART_TSV110		0xD01

 #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
 #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
 #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
 #define MIDR_CORTEX_A73 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A73)
 #define MIDR_CORTEX_A75 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A75)
 #define MIDR_CORTEX_A35 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A35)
 #define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55)
 #define MIDR_CORTEX_A76	MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A76)
 #define MIDR_NEOVERSE_N1 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N1)
 #define MIDR_CORTEX_A77	MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A77)
 #define MIDR_THUNDERX	MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
 #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
 #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
 #define MIDR_CAVIUM_THUNDERX2 MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX2)
 #define MIDR_BRAHMA_B53 MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_BRAHMA_B53)
 #define MIDR_BRCM_VULCAN MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN)
 #define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1)
 #define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)
 #define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
 #define MIDR_QCOM_KRYO_2XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_2XX_GOLD)
 #define MIDR_QCOM_KRYO_2XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_2XX_SILVER)
 #define MIDR_QCOM_KRYO_3XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_3XX_SILVER)
 #define MIDR_QCOM_KRYO_4XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_GOLD)
 #define MIDR_QCOM_KRYO_4XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_SILVER)
 #define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
 #define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
 #define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX)
 #define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110)

 /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
 #define MIDR_FUJITSU_ERRATUM_010001		MIDR_FUJITSU_A64FX
 #define MIDR_FUJITSU_ERRATUM_010001_MASK	(~MIDR_CPU_VAR_REV(1, 0))
 #define TCR_CLEAR_FUJITSU_ERRATUM_010001	(TCR_NFD1 | TCR_NFD0)

 #ifndef __ASSEMBLY__

 #include <asm/sysreg.h>

 #define read_cpuid(reg)			read_sysreg_s(SYS_ ## reg)

 /*
  * Represent a range of MIDR values for a given CPU model and a
  * range of variant/revision values.
  *
  * @model	- CPU model as defined by MIDR_CPU_MODEL
  * @rv_min	- Minimum value for the revision/variant as defined by
  *		  MIDR_CPU_VAR_REV
  * @rv_max	- Maximum value for the variant/revision for the range.
  */
 struct midr_range {
 	u32 model;
 	u32 rv_min;
 	u32 rv_max;
 };

 #define MIDR_RANGE(m, v_min, r_min, v_max, r_max)		\
 	{							\
 		.model = m,					\
 		.rv_min = MIDR_CPU_VAR_REV(v_min, r_min),	\
 		.rv_max = MIDR_CPU_VAR_REV(v_max, r_max),	\
 	}

 #define MIDR_REV_RANGE(m, v, r_min, r_max) MIDR_RANGE(m, v, r_min, v, r_max)
 #define MIDR_REV(m, v, r) MIDR_RANGE(m, v, r, v, r)
 #define MIDR_ALL_VERSIONS(m) MIDR_RANGE(m, 0, 0, 0xf, 0xf)

 static inline bool midr_is_cpu_model_range(u32 midr, u32 model, u32 rv_min,
 					   u32 rv_max)
 {
 	u32 _model = midr & MIDR_CPU_MODEL_MASK;
 	u32 rv = midr & (MIDR_REVISION_MASK | MIDR_VARIANT_MASK);

 	return _model == model && rv >= rv_min && rv <= rv_max;
 }

 static inline bool is_midr_in_range(u32 midr, struct midr_range const *range)
 {
 	return midr_is_cpu_model_range(midr, range->model,
 				       range->rv_min, range->rv_max);
 }

 static inline bool
 is_midr_in_range_list(u32 midr, struct midr_range const *ranges)
 {
 	while (ranges->model)
 		if (is_midr_in_range(midr, ranges++))
 			return true;
 	return false;
 }

 /*
  * The CPU ID never changes at run time, so we might as well tell the
  * compiler that it's constant.  Use this function to read the CPU ID
  * rather than directly reading processor_id or read_cpuid() directly.
  */
 static inline u32 __attribute_const__ read_cpuid_id(void)
 {
 	return read_cpuid(MIDR_EL1);
 }

 static inline u64 __attribute_const__ read_cpuid_mpidr(void)
 {
 	return read_cpuid(MPIDR_EL1);
 }

 static inline unsigned int __attribute_const__ read_cpuid_implementor(void)
 {
 	return MIDR_IMPLEMENTOR(read_cpuid_id());
 }

 static inline unsigned int __attribute_const__ read_cpuid_part_number(void)
 {
 	return MIDR_PARTNUM(read_cpuid_id());
 }

 static inline u32 __attribute_const__ read_cpuid_cachetype(void)
 {
 	return read_cpuid(CTR_EL0);
 }
 #endif /* __ASSEMBLY__ */

 #endif
	/* SPDX-License-Identifier: GPL-2.0-only */
	/*
	* Copyright (C) 2012 ARM Ltd.
	*/
	#ifndef __ASM_CPUTYPE_H
	#define __ASM_CPUTYPE_H

	#define INVALID_HWID ULONG_MAX

	#define MPIDR_UP_BITMASK (0x1 << 30)
	#define MPIDR_MT_BITMASK (0x1 << 24)
	#define MPIDR_HWID_BITMASK UL(0xff00ffffff)

	#define MPIDR_LEVEL_BITS_SHIFT 3
	#define MPIDR_LEVEL_BITS (1 << MPIDR_LEVEL_BITS_SHIFT)
	#define MPIDR_LEVEL_MASK ((1 << MPIDR_LEVEL_BITS) - 1)

	#define MPIDR_LEVEL_SHIFT(level) \
	(((1 << level) >> 1) << MPIDR_LEVEL_BITS_SHIFT)

	#define MPIDR_AFFINITY_LEVEL(mpidr, level) \
	((mpidr >> MPIDR_LEVEL_SHIFT(level)) & MPIDR_LEVEL_MASK)

	#define MIDR_REVISION_MASK 0xf
	#define MIDR_REVISION(midr) ((midr) & MIDR_REVISION_MASK)
	#define MIDR_PARTNUM_SHIFT 4
	#define MIDR_PARTNUM_MASK (0xfff << MIDR_PARTNUM_SHIFT)
	#define MIDR_PARTNUM(midr) \
	(((midr) & MIDR_PARTNUM_MASK) >> MIDR_PARTNUM_SHIFT)
	#define MIDR_ARCHITECTURE_SHIFT 16
	#define MIDR_ARCHITECTURE_MASK (0xf << MIDR_ARCHITECTURE_SHIFT)
	#define MIDR_ARCHITECTURE(midr) \
	(((midr) & MIDR_ARCHITECTURE_MASK) >> MIDR_ARCHITECTURE_SHIFT)
	#define MIDR_VARIANT_SHIFT 20
	#define MIDR_VARIANT_MASK (0xf << MIDR_VARIANT_SHIFT)
	#define MIDR_VARIANT(midr) \
	(((midr) & MIDR_VARIANT_MASK) >> MIDR_VARIANT_SHIFT)
	#define MIDR_IMPLEMENTOR_SHIFT 24
	#define MIDR_IMPLEMENTOR_MASK (0xff << MIDR_IMPLEMENTOR_SHIFT)
	#define MIDR_IMPLEMENTOR(midr) \
	(((midr) & MIDR_IMPLEMENTOR_MASK) >> MIDR_IMPLEMENTOR_SHIFT)

	#define MIDR_CPU_MODEL(imp, partnum) \
	(((imp) << MIDR_IMPLEMENTOR_SHIFT) \| \
	(0xf << MIDR_ARCHITECTURE_SHIFT) \| \
	((partnum) << MIDR_PARTNUM_SHIFT))

	#define MIDR_CPU_VAR_REV(var, rev) \
	(((var) << MIDR_VARIANT_SHIFT) \| (rev))

	#define MIDR_CPU_MODEL_MASK (MIDR_IMPLEMENTOR_MASK \| MIDR_PARTNUM_MASK \| \
	MIDR_ARCHITECTURE_MASK)

	#define ARM_CPU_IMP_ARM 0x41
	#define ARM_CPU_IMP_APM 0x50
	#define ARM_CPU_IMP_CAVIUM 0x43
	#define ARM_CPU_IMP_BRCM 0x42
	#define ARM_CPU_IMP_QCOM 0x51
	#define ARM_CPU_IMP_NVIDIA 0x4E
	#define ARM_CPU_IMP_FUJITSU 0x46
	#define ARM_CPU_IMP_HISI 0x48

	#define ARM_CPU_PART_AEM_V8 0xD0F
	#define ARM_CPU_PART_FOUNDATION 0xD00
	#define ARM_CPU_PART_CORTEX_A57 0xD07
	#define ARM_CPU_PART_CORTEX_A72 0xD08
	#define ARM_CPU_PART_CORTEX_A53 0xD03
	#define ARM_CPU_PART_CORTEX_A73 0xD09
	#define ARM_CPU_PART_CORTEX_A75 0xD0A
	#define ARM_CPU_PART_CORTEX_A35 0xD04
	#define ARM_CPU_PART_CORTEX_A55 0xD05
	#define ARM_CPU_PART_CORTEX_A76 0xD0B
	#define ARM_CPU_PART_NEOVERSE_N1 0xD0C
	#define ARM_CPU_PART_CORTEX_A77 0xD0D

	#define APM_CPU_PART_POTENZA 0x000

	#define CAVIUM_CPU_PART_THUNDERX 0x0A1
	#define CAVIUM_CPU_PART_THUNDERX_81XX 0x0A2
	#define CAVIUM_CPU_PART_THUNDERX_83XX 0x0A3
	#define CAVIUM_CPU_PART_THUNDERX2 0x0AF

	#define BRCM_CPU_PART_BRAHMA_B53 0x100
	#define BRCM_CPU_PART_VULCAN 0x516

	#define QCOM_CPU_PART_FALKOR_V1 0x800
	#define QCOM_CPU_PART_FALKOR 0xC00
	#define QCOM_CPU_PART_KRYO 0x200
	#define QCOM_CPU_PART_KRYO_2XX_GOLD 0x800
	#define QCOM_CPU_PART_KRYO_2XX_SILVER 0x801
	#define QCOM_CPU_PART_KRYO_3XX_SILVER 0x803
	#define QCOM_CPU_PART_KRYO_4XX_GOLD 0x804
	#define QCOM_CPU_PART_KRYO_4XX_SILVER 0x805

	#define NVIDIA_CPU_PART_DENVER 0x003
	#define NVIDIA_CPU_PART_CARMEL 0x004

	#define FUJITSU_CPU_PART_A64FX 0x001

	#define HISI_CPU_PART_TSV110 0xD01

	#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
	#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
	#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
	#define MIDR_CORTEX_A73 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A73)
	#define MIDR_CORTEX_A75 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A75)
	#define MIDR_CORTEX_A35 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A35)
	#define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55)
	#define MIDR_CORTEX_A76 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A76)
	#define MIDR_NEOVERSE_N1 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N1)
	#define MIDR_CORTEX_A77 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A77)
	#define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
	#define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
	#define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
	#define MIDR_CAVIUM_THUNDERX2 MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX2)
	#define MIDR_BRAHMA_B53 MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_BRAHMA_B53)
	#define MIDR_BRCM_VULCAN MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN)
	#define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1)
	#define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)
	#define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
	#define MIDR_QCOM_KRYO_2XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_2XX_GOLD)
	#define MIDR_QCOM_KRYO_2XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_2XX_SILVER)
	#define MIDR_QCOM_KRYO_3XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_3XX_SILVER)
	#define MIDR_QCOM_KRYO_4XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_GOLD)
	#define MIDR_QCOM_KRYO_4XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_SILVER)
	#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
	#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
	#define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX)
	#define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110)

	/* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
	#define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX
	#define MIDR_FUJITSU_ERRATUM_010001_MASK (~MIDR_CPU_VAR_REV(1, 0))
	#define TCR_CLEAR_FUJITSU_ERRATUM_010001 (TCR_NFD1 \| TCR_NFD0)

	#ifndef __ASSEMBLY__

	#include <asm/sysreg.h>

	#define read_cpuid(reg) read_sysreg_s(SYS_ ## reg)

	/*
	* Represent a range of MIDR values for a given CPU model and a
	* range of variant/revision values.
	*
	* @model - CPU model as defined by MIDR_CPU_MODEL
	* @rv_min - Minimum value for the revision/variant as defined by
	* MIDR_CPU_VAR_REV
	* @rv_max - Maximum value for the variant/revision for the range.
	*/
	struct midr_range {
	u32 model;
	u32 rv_min;
	u32 rv_max;
	};

	#define MIDR_RANGE(m, v_min, r_min, v_max, r_max) \
	{ \
	.model = m, \
	.rv_min = MIDR_CPU_VAR_REV(v_min, r_min), \
	.rv_max = MIDR_CPU_VAR_REV(v_max, r_max), \
	}

	#define MIDR_REV_RANGE(m, v, r_min, r_max) MIDR_RANGE(m, v, r_min, v, r_max)
	#define MIDR_REV(m, v, r) MIDR_RANGE(m, v, r, v, r)
	#define MIDR_ALL_VERSIONS(m) MIDR_RANGE(m, 0, 0, 0xf, 0xf)

	static inline bool midr_is_cpu_model_range(u32 midr, u32 model, u32 rv_min,
	u32 rv_max)
	{
	u32 _model = midr & MIDR_CPU_MODEL_MASK;
	u32 rv = midr & (MIDR_REVISION_MASK \| MIDR_VARIANT_MASK);

	return _model == model && rv >= rv_min && rv <= rv_max;
	}

	static inline bool is_midr_in_range(u32 midr, struct midr_range const *range)
	{
	return midr_is_cpu_model_range(midr, range->model,
	range->rv_min, range->rv_max);
	}

	static inline bool
	is_midr_in_range_list(u32 midr, struct midr_range const *ranges)
	{
	while (ranges->model)
	if (is_midr_in_range(midr, ranges++))
	return true;
	return false;
	}

	/*
	* The CPU ID never changes at run time, so we might as well tell the
	* compiler that it's constant. Use this function to read the CPU ID
	* rather than directly reading processor_id or read_cpuid() directly.
	*/
	static inline u32 __attribute_const__ read_cpuid_id(void)
	{
	return read_cpuid(MIDR_EL1);
	}

	static inline u64 __attribute_const__ read_cpuid_mpidr(void)
	{
	return read_cpuid(MPIDR_EL1);
	}

	static inline unsigned int __attribute_const__ read_cpuid_implementor(void)
	{
	return MIDR_IMPLEMENTOR(read_cpuid_id());
	}

	static inline unsigned int __attribute_const__ read_cpuid_part_number(void)
	{
	return MIDR_PARTNUM(read_cpuid_id());
	}

	static inline u32 __attribute_const__ read_cpuid_cachetype(void)
	{
	return read_cpuid(CTR_EL0);
	}
	#endif /* __ASSEMBLY__ */

	#endif