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

From: Jeremy Linton
Date: Tue Apr 12 2016 - 16:21:44 EST


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

Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
---
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