On Fri, Mar 05, 2021 at 06:38:40AM +0900, Hector Martin wrote:
> The implementor will be used to condition the FIQ support quirk.
> 
> The specific CPU types are not used at the moment, but let's add them
> for documentation purposes.
> 
> Signed-off-by: Hector Martin <mar...@marcan.st>
> ---
>  arch/arm64/include/asm/cputype.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/cputype.h 
> b/arch/arm64/include/asm/cputype.h
> index ef5b040dee44..6231e1f0abe7 100644
> --- a/arch/arm64/include/asm/cputype.h
> +++ b/arch/arm64/include/asm/cputype.h
> @@ -59,6 +59,7 @@
>  #define ARM_CPU_IMP_NVIDIA           0x4E
>  #define ARM_CPU_IMP_FUJITSU          0x46
>  #define ARM_CPU_IMP_HISI             0x48
> +#define ARM_CPU_IMP_APPLE            0x61
>  
>  #define ARM_CPU_PART_AEM_V8          0xD0F
>  #define ARM_CPU_PART_FOUNDATION              0xD00
> @@ -99,6 +100,9 @@
>  
>  #define HISI_CPU_PART_TSV110         0xD01
>  
> +#define APPLE_CPU_PART_M1_ICESTORM   0x022
> +#define APPLE_CPU_PART_M1_FIRESTORM  0x023
> +
>  #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
> ARM_CPU_PART_CORTEX_A53)
>  #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
> ARM_CPU_PART_CORTEX_A57)
>  #define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
> ARM_CPU_PART_CORTEX_A72)
> @@ -127,6 +131,8 @@
>  #define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, 
> NVIDIA_CPU_PART_CARMEL)
>  #define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, 
> FUJITSU_CPU_PART_A64FX)
>  #define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, 
> HISI_CPU_PART_TSV110)
> +#define MIDR_APPLE_M1_ICESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, 
> APPLE_CPU_PART_M1_ICESTORM)
> +#define MIDR_APPLE_M1_FIRESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, 
> APPLE_CPU_PART_M1_FIRESTORM)

We usually only merge these when they're needed, but this SoC seems broken
enough that I can see the value in having them from the start :(

Acked-by: Will Deacon <w...@kernel.org>

Will

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