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SubjectRe: [PATCH 06/10] arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
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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@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> ---
> 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 ?

> #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

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