arm64: cputype: Add Neoverse-N3 definitions

JIRA: https://issues.redhat.com/browse/RHEL-108306

commit 9247257
Author: Mark Rutland <mark.rutland@arm.com>
Date:   Mon Sep 30 12:17:04 2024 +0100

    arm64: cputype: Add Neoverse-N3 definitions

    Add cputype definitions for Neoverse-N3. These will be used for errata
    detection in subsequent patches.

    These values can be found in Table A-261 ("MIDR_EL1 bit descriptions")
    in issue 02 of the Neoverse-N3 TRM, which can be found at:

      https://developer.arm.com/documentation/107997/0000/?lang=en

    Signed-off-by: Mark Rutland <mark.rutland@arm.com>
    Cc: James Morse <james.morse@arm.com>
    Cc: Will Deacon <will@kernel.org>
    Link: https://lore.kernel.org/r/20240930111705.3352047-2-mark.rutland@arm.com
    Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Signed-off-by: Jeremy Linton <jlinton@redhat.com>

Author: jlinton

arch/arm64/include/asm/cputype.h

@@ -95,6 +95,7 @@
 #define ARM_CPU_PART_NEOVERSE_V3	0xD84
 #define ARM_CPU_PART_CORTEX_X925	0xD85
 #define ARM_CPU_PART_CORTEX_A725	0xD87
+#define ARM_CPU_PART_NEOVERSE_N3	0xD8E
 
 #define APM_CPU_PART_XGENE		0x000
 #define APM_CPU_VAR_POTENZA		0x00
@@ -178,6 +179,7 @@
 #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3)
 #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925)
 #define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725)
+#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3)
 #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)