Re: [PATCH 06/10] arm64: Add Neoverse-N2, Cortex-A710 CPU part definition

From: Suzuki K Poulose
Date: Fri Jul 30 2021 - 10:31:29 EST


On 30/07/2021 12:26, Anshuman Khandual wrote:


On 7/28/21 7:22 PM, Suzuki K Poulose wrote:
Add the CPU Partnumbers for the new Arm designs.

Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
---
arch/arm64/include/asm/cputype.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 6231e1f0abe7..b71bd6c176c2 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -73,6 +73,8 @@
#define ARM_CPU_PART_CORTEX_A76 0xD0B
#define ARM_CPU_PART_NEOVERSE_N1 0xD0C
#define ARM_CPU_PART_CORTEX_A77 0xD0D
+#define ARM_CPU_PART_CORTEX_A710 0xD47
+#define ARM_CPU_PART_NEOVERSE_N2 0xD49
#define APM_CPU_PART_POTENZA 0x000
@@ -112,6 +114,8 @@
#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_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710)
+#define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2)

Should not the new ones be added after MIDR_CORTEX_A77 below to preserve the order ?


TBH. The order doesn't matter much as they are part numbers for
different CPUs, without any dependencies between them.
But for the sake of keeping the order, I could fix this.

Thanks
Suzuki