arm64: Add MIDR encoding for NVIDIA CPUs

BugLink: http://bugs.launchpad.net/bugs/1794889
[ Upstream commit 1b06bd8dd95f7a19ab33fdf0f477c94950822ab3 ]

This patch adds the MIDR encodings for NVIDIA as well as
the Denver and Carmel CPUs used in Tegra SoCs.

Signed-off-by: David Gilhooley <dgilhooley@nvidia.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index e56dd879f018b86479aa2f675e3b1f11219990da..bd741ea066552613ebe919ae6a91f7e524876cf6 100644 (file)
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -75,6 +75,7 @@
 #define ARM_CPU_IMP_CAVIUM             0x43
 #define ARM_CPU_IMP_BRCM               0x42
 #define ARM_CPU_IMP_QCOM               0x51
+#define ARM_CPU_IMP_NVIDIA             0x4E
 
 #define ARM_CPU_PART_AEM_V8            0xD0F
 #define ARM_CPU_PART_FOUNDATION                0xD00
@@ -99,6 +100,9 @@
 #define QCOM_CPU_PART_FALKOR           0xC00
 #define QCOM_CPU_PART_KRYO             0x200
 
+#define NVIDIA_CPU_PART_DENVER         0x003
+#define NVIDIA_CPU_PART_CARMEL         0x004
+
 #define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
 #define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55)
 #define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
@@ -114,6 +118,8 @@
 #define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1)
 #define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)
 #define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
+#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
+#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
 
 #ifndef __ASSEMBLY__