[PATCH 4/5] arm64: cputype: Add C1-Nano definitions

[Anshuman Khandual]

On 01/07/26 3:11 PM, Linu Cherian wrote:
> Add cputype definitions for C1-Nano.
> 
> The definition can be found in C1-Nano TRM,
> https://developer.arm.com/documentation/107753/0002
> as part of MIDR_EL1 bit descriptions.
> 
> This is going to be used in the bbml3 support list.
> 
> Signed-off-by: Linu Cherian <linu.cherian at 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 e41fae46426b..1fa29616e586 100644
> --- a/arch/arm64/include/asm/cputype.h
> +++ b/arch/arm64/include/asm/cputype.h
> @@ -100,6 +100,7 @@
>  #define ARM_CPU_PART_CORTEX_A720AE	0xD89
>  #define ARM_CPU_PART_C1_ULTRA		0xD8C
>  #define ARM_CPU_PART_NEOVERSE_N3	0xD8E
> +#define ARM_CPU_PART_C1_NANO		0xD8A

Part number checks out in the TRM.
>  #define ARM_CPU_PART_C1_PRO		0xD8B
>  #define ARM_CPU_PART_C1_PREMIUM		0xD90
>  
> @@ -195,6 +196,7 @@
>  #define MIDR_CORTEX_A720AE MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A720AE)
>  #define MIDR_C1_ULTRA MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_C1_ULTRA)
>  #define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3)
> +#define MIDR_C1_NANO MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_C1_NANO)
>  #define MIDR_C1_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_C1_PRO)
>  #define MIDR_C1_PREMIUM MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_C1_PREMIUM)
>  #define MIDR_THUNDERX	MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)

Reviewed-by: Anshuman Khandual <anshuman.khandual at arm.com>