linux-kernel - [PATCH 5/6] arm64: pmu: Add ACPI support for A72 and ThunderX

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Date:	Tue, 12 Apr 2016 15:21:10 -0500
From:	Jeremy Linton <jeremy.linton@....com>
To:	linux-kernel@...r.kernel.org
Cc:	will.deacon@....com, mark.rutland@....com, peterz@...radead.org,
	mingo@...hat.com, catalin.marinas@....com, msalter@...hat.com,
	timur@...eaurora.org, nleeder@...eaurora.org,
	agustinv@...eaurora.org, sfr@...b.auug.org.au,
	jan.glauber@...il.com, Jeremy Linton <jeremy.linton@....com>
Subject: [PATCH 5/6] arm64: pmu: Add ACPI support for A72 and ThunderX

Update the armv8_pmu_probe_table so that ACPI systems can
identify the A72 and ThunderX PMUs.

Signed-off-by: Jeremy Linton <jeremy.linton@....com>
---
 arch/arm64/include/asm/cputype.h | 1 +
 arch/arm64/kernel/perf_event.c   | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 76423a7..2688755 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -74,6 +74,7 @@
 
 #define ARM_CPU_PART_AEM_V8		0xD0F
 #define ARM_CPU_PART_FOUNDATION		0xD00
+#define ARM_CPU_PART_CORTEX_A72		0xD08
 #define ARM_CPU_PART_CORTEX_A57		0xD07
 #define ARM_CPU_PART_CORTEX_A53		0xD03
 
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 8f12eac..e14ac54 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -870,6 +870,8 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = {
 static const struct pmu_probe_info armv8_pmu_probe_table[] = {
 	ARMV8_PMU_PART_PROBE(ARM_CPU_PART_CORTEX_A53, armv8_a53_pmu_init),
 	ARMV8_PMU_PART_PROBE(ARM_CPU_PART_CORTEX_A57, armv8_a57_pmu_init),
+	ARMV8_PMU_PART_PROBE(ARM_CPU_PART_CORTEX_A72, armv8_a72_pmu_init),
+	ARMV8_PMU_PART_PROBE(CAVIUM_CPU_PART_THUNDERX, armv8_thunder_pmu_init),
 	PMU_PROBE(0, 0, armv8_pmuv3_init), /* if all else fails... */
 	{ /* sentinel value */ }
 };
-- 
2.4.3