This is a note to let you know that I've just added the patch titled
arm64: cputype: Add Cortex-X925 definitions
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm64-cputype-add-cortex-x925-definitions.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c69d813ff655f507d5c1f0df58a6ccba8ffb18ee
Author: Mark Rutland <mark.rutland@xxxxxxx>
Date: Fri Aug 9 11:43:51 2024 +0100
arm64: cputype: Add Cortex-X925 definitions
[ Upstream commit fd2ff5f0b320f418288e7a1f919f648fbc8a0dfc ]
Add cputype definitions for Cortex-X925. These will be used for errata
detection in subsequent patches.
These values can be found in Table A-285 ("MIDR_EL1 bit descriptions")
in issue 0001-05 of the Cortex-X925 TRM, which can be found at:
https://developer.arm.com/documentation/102807/0001/?lang=en
Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
Cc: James Morse <james.morse@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20240603111812.1514101-4-mark.rutland@xxxxxxx
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
[ Mark: trivial backport ]
Signed-off-by: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index f63c5500937d7..304e634c64a05 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -94,6 +94,7 @@
#define ARM_CPU_PART_CORTEX_A720 0xD81
#define ARM_CPU_PART_CORTEX_X4 0xD82
#define ARM_CPU_PART_NEOVERSE_V3 0xD84
+#define ARM_CPU_PART_CORTEX_X925 0xD85
#define APM_CPU_PART_POTENZA 0x000
@@ -135,6 +136,7 @@
#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_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_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)
