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authorDouglas Anderson <dianders@chromium.org>2024-12-19 13:11:10 -0800
committerCatalin Marinas <catalin.marinas@arm.com>2025-03-10 18:14:35 +0000
commit53a52a0ec7680287b170b36488203b5822e6da2d (patch)
tree20ea97b78db77d44deb0a1a39176013bbf308e38
parentarm64: cputype: Add QCOM_CPU_PART_KRYO_3XX_GOLD (diff)
downloadwireguard-linux-53a52a0ec7680287b170b36488203b5822e6da2d.tar.xz
wireguard-linux-53a52a0ec7680287b170b36488203b5822e6da2d.zip
arm64: cputype: Add comments about Qualcomm Kryo 5XX and 6XX cores
As tested on one example of a Qualcomm Kryo 5XX CPU [1] and one example of a Qualcomm Kryo 6XX CPU [2], we don't need any extra MIDR definitions for the cores in those processors. Add comments to make it clear that these IDs weren't forgotten and just aren't needed. [1] https://lore.kernel.org/r/l5rqbbxn6hktlcxooolkvi5n3arkht6zzhrvdjf6kis322nsup@5hsrak4cgteq/ [2] https://lore.kernel.org/r/tx7vtur7yea6ruefrkpkccqptahgmxnsrudwdz5uzcfxnng25b@afrr5bmdk2xa/ Suggested-by: Julius Werner <jwerner@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Trilok Soni <quic_tsoni@quicinc.com> Link: https://lore.kernel.org/r/20241219131107.v3.2.I520dfa10ad9f598581c2591d631aa6e9e26f7603@changeid Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to '')
-rw-r--r--arch/arm64/include/asm/cputype.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index c2da1661a44e..a1a232332596 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -202,6 +202,16 @@
#define MIDR_QCOM_KRYO_4XX_GOLD MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_GOLD)
#define MIDR_QCOM_KRYO_4XX_SILVER MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO_4XX_SILVER)
#define MIDR_QCOM_ORYON_X1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_ORYON_X1)
+
+/*
+ * NOTES:
+ * - Qualcomm Kryo 5XX Prime / Gold ID themselves as MIDR_CORTEX_A77
+ * - Qualcomm Kryo 5XX Silver IDs itself as MIDR_QCOM_KRYO_4XX_SILVER
+ * - Qualcomm Kryo 6XX Prime IDs itself as MIDR_CORTEX_X1
+ * - Qualcomm Kryo 6XX Gold IDs itself as ARM_CPU_PART_CORTEX_A78
+ * - Qualcomm Kryo 6XX Silver IDs itself as MIDR_CORTEX_A55
+ */
+
#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)
#define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX)