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From: Ryan Roberts <ryan.roberts@arm.com>
To: stable@vger.kernel.org
Cc: Ryan Roberts <ryan.roberts@arm.com>,
	catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, James Morse <james.morse@arm.com>
Subject: [PATCH 5.4-6.17 1/2] arm64: cputype: Add Neoverse-V3AE definitions
Date: Thu, 16 Oct 2025 12:12:05 +0100	[thread overview]
Message-ID: <20251016111208.3983300-2-ryan.roberts@arm.com> (raw)
In-Reply-To: <20251016111208.3983300-1-ryan.roberts@arm.com>

From: Mark Rutland <mark.rutland@arm.com>

[ Upstream commit 3bbf004c4808e2c3241e5c1ad6cc102f38a03c39 ]

Add cputype definitions for Neoverse-V3AE. These will be used for errata
detection in subsequent patches.

These values can be found in the Neoverse-V3AE TRM:

  https://developer.arm.com/documentation/SDEN-2615521/9-0/

... in section A.6.1 ("MIDR_EL1, Main ID Register").

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
[ Ryan: Trivial backport ]
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
---
 arch/arm64/include/asm/cputype.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index d92a0203e5a9..c279a0a9b366 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -93,6 +93,7 @@
 #define ARM_CPU_PART_NEOVERSE_V2	0xD4F
 #define ARM_CPU_PART_CORTEX_A720	0xD81
 #define ARM_CPU_PART_CORTEX_X4		0xD82
+#define ARM_CPU_PART_NEOVERSE_V3AE	0xD83
 #define ARM_CPU_PART_NEOVERSE_V3	0xD84
 #define ARM_CPU_PART_CORTEX_X925	0xD85
 #define ARM_CPU_PART_CORTEX_A725	0xD87
@@ -180,6 +181,7 @@
 #define MIDR_NEOVERSE_V2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V2)
 #define MIDR_CORTEX_A720 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720)
 #define MIDR_CORTEX_X4 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X4)
+#define MIDR_NEOVERSE_V3AE	MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3AE)
 #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)
--
2.43.0


  reply	other threads:[~2025-10-16 11:12 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-16 11:12 [PATCH 5.4-6.17 0/2] arm64: errata: Apply workarounds for Neoverse-V3AE Ryan Roberts
2025-10-16 11:12 ` Ryan Roberts [this message]
2025-10-16 11:12 ` [PATCH 5.4-6.17 2/2] " Ryan Roberts
2025-10-17  7:08 ` [PATCH 5.4-6.17 0/2] " Greg KH
2025-10-20  8:59   ` Ryan Roberts

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