[PATCH v2] arm64: Add a couple of missing part numbers

Anshuman Khandual anshuman.khandual at arm.com
Tue Jan 31 20:50:32 PST 2023



On 2/1/23 05:39, Konrad Dybcio wrote:
> Add Cortex X1C and add/clarify various recent Qualcomm Kryo cores,
> which almost exclusively mimic ARM IDs nowadays.

Why add these cpu numbers ? Is there an errata being worked on for them ?
Without specific implementation requirement, these might not be necessary.

> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio at linaro.org>
> ---
> v1 -> v2:
> 
> - Don't change the name of QCOM_CPU_PART_KRYO_4XX_SILVER
> 
>  arch/arm64/include/asm/cputype.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
> index 683ca3af4084..a4260d3194fc 100644
> --- a/arch/arm64/include/asm/cputype.h
> +++ b/arch/arm64/include/asm/cputype.h
> @@ -84,6 +84,7 @@
>  #define ARM_CPU_PART_CORTEX_X2		0xD48
>  #define ARM_CPU_PART_NEOVERSE_N2	0xD49
>  #define ARM_CPU_PART_CORTEX_A78C	0xD4B
> +#define ARM_CPU_PART_CORTEX_X1C		0xD4C
>  
>  #define APM_CPU_PART_POTENZA		0x000
>  
> @@ -107,9 +108,17 @@
>  #define QCOM_CPU_PART_KRYO		0x200
>  #define QCOM_CPU_PART_KRYO_2XX_GOLD	0x800
>  #define QCOM_CPU_PART_KRYO_2XX_SILVER	0x801
> +#define QCOM_CPU_PART_KRYO_3XX_GOLD	0x802
>  #define QCOM_CPU_PART_KRYO_3XX_SILVER	0x803
>  #define QCOM_CPU_PART_KRYO_4XX_GOLD	0x804
>  #define QCOM_CPU_PART_KRYO_4XX_SILVER	0x805
> +#define QCOM_CPU_PART_KRYO_5XX_GOLD	ARM_CPU_PART_CORTEX_A77
> +#define QCOM_CPU_PART_KRYO_6XX_GOLD	ARM_CPU_PART_CORTEX_A78
> +#define QCOM_CPU_PART_KRYO_6XX_GOLDPLUS	ARM_CPU_PART_CORTEX_X1
> +#define QCOM_CPU_PART_KRYO_6XX_SILVER_V1	ARM_CPU_PART_CORTEX_A55
> +#define QCOM_CPU_PART_KRYO_7XX_GOLD	ARM_CPU_PART_CORTEX_A710
> +#define QCOM_CPU_PART_KRYO_7XX_GOLDPLUS	ARM_CPU_PART_CORTEX_X2
> +#define QCOM_CPU_PART_KRYO_7XX_SILVER	ARM_CPU_PART_CORTEX_A510
>  
>  #define NVIDIA_CPU_PART_DENVER		0x003
>  #define NVIDIA_CPU_PART_CARMEL		0x004



More information about the linux-arm-kernel mailing list