linux-kernel - [PATCH 09/18] arm64: cputype: Add CPU types for the Apple M1 big/little cores

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Message-Id: <20210204203951.52105-10-marcan@marcan.st>
Date:   Fri,  5 Feb 2021 05:39:42 +0900
From:   Hector Martin <marcan@...can.st>
To:     Hector Martin <marcan@...can.st>, soc@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>, robh+dt@...nel.org,
        Arnd Bergmann <arnd@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Olof Johansson <olof@...om.net>
Subject: [PATCH 09/18] arm64: cputype: Add CPU types for the Apple M1 big/little cores

These are not used at the moment, but let's add them for documentation
purposes.

Signed-off-by: Hector Martin <marcan@...can.st>
---
 arch/arm64/include/asm/cputype.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 2084a0340d16..6231e1f0abe7 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -100,6 +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)
@@ -128,6 +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)
 
 /* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
 #define MIDR_FUJITSU_ERRATUM_010001		MIDR_FUJITSU_A64FX
-- 
2.30.0