* Re: [PATCH] arm64: Add part number for Arm Cortex-A78 [not found] <1613580251-12694-1-git-send-email-neeraju@codeaurora.org> @ 2021-02-17 17:06 ` Will Deacon [not found] ` <c43d8eed-2665-9e9b-c6b5-799b5281c657@codeaurora.org> 0 siblings, 1 reply; 2+ messages in thread From: Will Deacon @ 2021-02-17 17:06 UTC (permalink / raw) To: Neeraj Upadhyay Cc: robh, saiprakash.ranjan, catalin.marinas, konrad.dybcio, linux-kernel, linux-arm-kernel On Wed, Feb 17, 2021 at 10:14:11PM +0530, Neeraj Upadhyay wrote: > Add the MIDR part number info for the Arm Cortex-A78. > > Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org> > --- > 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 ef5b040..3aced88 100644 > --- a/arch/arm64/include/asm/cputype.h > +++ b/arch/arm64/include/asm/cputype.h > @@ -72,6 +72,7 @@ > #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_A78 0xD41 > > #define APM_CPU_PART_POTENZA 0x000 > > @@ -109,6 +110,7 @@ > #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_A77 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A77) > +#define MIDR_CORTEX_A78 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78) > #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) > #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) This usually means there's an erratum to work around. What are you hiding ;) Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 2+ messages in thread
[parent not found: <c43d8eed-2665-9e9b-c6b5-799b5281c657@codeaurora.org>]
* Re: [PATCH] arm64: Add part number for Arm Cortex-A78 [not found] ` <c43d8eed-2665-9e9b-c6b5-799b5281c657@codeaurora.org> @ 2021-02-19 17:52 ` Will Deacon 0 siblings, 0 replies; 2+ messages in thread From: Will Deacon @ 2021-02-19 17:52 UTC (permalink / raw) To: Neeraj Upadhyay Cc: robh, saiprakash.ranjan, catalin.marinas, konrad.dybcio, linux-kernel, linux-arm-kernel On Wed, Feb 17, 2021 at 11:37:04PM +0530, Neeraj Upadhyay wrote: > > > On 2/17/2021 10:36 PM, Will Deacon wrote: > > On Wed, Feb 17, 2021 at 10:14:11PM +0530, Neeraj Upadhyay wrote: > > > Add the MIDR part number info for the Arm Cortex-A78. > > > > > > Signed-off-by: Neeraj Upadhyay <neeraju@codeaurora.org> > > > --- > > > 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 ef5b040..3aced88 100644 > > > --- a/arch/arm64/include/asm/cputype.h > > > +++ b/arch/arm64/include/asm/cputype.h > > > @@ -72,6 +72,7 @@ > > > #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_A78 0xD41 > > > #define APM_CPU_PART_POTENZA 0x000 > > > @@ -109,6 +110,7 @@ > > > #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_A77 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A77) > > > +#define MIDR_CORTEX_A78 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78) > > > #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) > > > #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) > > > > This usually means there's an erratum to work around. What are you hiding ;) > > > > Will > > > > :) . This is needed for supporting implementation defined AMU counters in > A78 [1]. However, there is no upstream user of it. I don't think we should add this upstream without a user. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-02-17 17:06 ` [PATCH] arm64: Add part number for Arm Cortex-A78 Will Deacon
[not found] ` <c43d8eed-2665-9e9b-c6b5-799b5281c657@codeaurora.org>
2021-02-19 17:52 ` Will Deacon
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