* [PATCH 1/2] arm64: perf: add support for Cortex-A78
2021-02-03 2:58 [PATCH 0/2] Add support for ARM Cortex-A78 PMU Seiya Wang
@ 2021-02-03 2:58 ` Seiya Wang
2021-02-03 2:58 ` [PATCH 2/2] dt-bindings: arm: add Cortex-A78 binding Seiya Wang
1 sibling, 0 replies; 3+ messages in thread
From: Seiya Wang @ 2021-02-03 2:58 UTC (permalink / raw)
To: Will Deacon, Mark Rutland, Rob Herring
Cc: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
Alexander Shishkin, Jiri Olsa, Namhyung Kim, Catalin Marinas,
Matthias Brugger, linux-arm-kernel, devicetree, linux-kernel,
linux-mediatek, srv_heupstream, Seiya Wang
Add support for Cortex-A78 using generic PMUv3 for now.
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
---
arch/arm64/kernel/perf_event.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 38bb07eff872..62ec2b4ea403 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1190,6 +1190,12 @@ static int armv8_a77_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmuv3_map_event);
}
+static int armv8_a78_pmu_init(struct arm_pmu *cpu_pmu)
+{
+ return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a78",
+ armv8_pmuv3_map_event);
+}
+
static int armv8_e1_pmu_init(struct arm_pmu *cpu_pmu)
{
return armv8_pmu_init_nogroups(cpu_pmu, "armv8_neoverse_e1",
@@ -1227,6 +1233,7 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = {
{.compatible = "arm,cortex-a75-pmu", .data = armv8_a75_pmu_init},
{.compatible = "arm,cortex-a76-pmu", .data = armv8_a76_pmu_init},
{.compatible = "arm,cortex-a77-pmu", .data = armv8_a77_pmu_init},
+ {.compatible = "arm,cortex-a78-pmu", .data = armv8_a78_pmu_init},
{.compatible = "arm,neoverse-e1-pmu", .data = armv8_e1_pmu_init},
{.compatible = "arm,neoverse-n1-pmu", .data = armv8_n1_pmu_init},
{.compatible = "cavium,thunder-pmu", .data = armv8_thunder_pmu_init},
--
2.14.1
^ permalink raw reply [flat|nested] 3+ messages in thread* [PATCH 2/2] dt-bindings: arm: add Cortex-A78 binding
2021-02-03 2:58 [PATCH 0/2] Add support for ARM Cortex-A78 PMU Seiya Wang
2021-02-03 2:58 ` [PATCH 1/2] arm64: perf: add support for Cortex-A78 Seiya Wang
@ 2021-02-03 2:58 ` Seiya Wang
1 sibling, 0 replies; 3+ messages in thread
From: Seiya Wang @ 2021-02-03 2:58 UTC (permalink / raw)
To: Will Deacon, Mark Rutland, Rob Herring
Cc: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
Alexander Shishkin, Jiri Olsa, Namhyung Kim, Catalin Marinas,
Matthias Brugger, linux-arm-kernel, devicetree, linux-kernel,
linux-mediatek, srv_heupstream, Seiya Wang
Add compatible for Cortex-A78 PMU
Change-Id: I427a047d10673105692353da4f5c6f6083f21665
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
---
Documentation/devicetree/bindings/arm/pmu.yaml | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/arm/pmu.yaml b/Documentation/devicetree/bindings/arm/pmu.yaml
index 693ef3f185a8..e17ac049e890 100644
--- a/Documentation/devicetree/bindings/arm/pmu.yaml
+++ b/Documentation/devicetree/bindings/arm/pmu.yaml
@@ -43,6 +43,7 @@ properties:
- arm,cortex-a75-pmu
- arm,cortex-a76-pmu
- arm,cortex-a77-pmu
+ - arm,cortex-a78-pmu
- arm,neoverse-e1-pmu
- arm,neoverse-n1-pmu
- brcm,vulcan-pmu
--
2.14.1
^ permalink raw reply [flat|nested] 3+ messages in thread