feat(tc): add dts entries for MCN PMU nodes
TC3 has 4 MCN instances, each of them have PMU registers to count
different MCN cache access events, add entries for MCN PMU so that Linux
MCN PMU perf driver can be used with perf.
Change-Id: I7e0ac5025231c3f19d5291292d4cae186accc544
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
diff --git a/fdts/tc3.dts b/fdts/tc3.dts
index fe6a695..f900eaf 100644
--- a/fdts/tc3.dts
+++ b/fdts/tc3.dts
@@ -72,6 +72,26 @@
<&CPU4>, <&CPU5>, <&CPU6>, <&CPU7>;
};
+ cs-pmu@0 {
+ compatible = "arm,coresight-pmu";
+ reg = <0x0 MCN_PMU_ADDR(0) 0x0 0xffc>;
+ };
+
+ cs-pmu@1 {
+ compatible = "arm,coresight-pmu";
+ reg = <0x0 MCN_PMU_ADDR(1) 0x0 0xffc>;
+ };
+
+ cs-pmu@2 {
+ compatible = "arm,coresight-pmu";
+ reg = <0x0 MCN_PMU_ADDR(2) 0x0 0xffc>;
+ };
+
+ cs-pmu@3 {
+ compatible = "arm,coresight-pmu";
+ reg = <0x0 MCN_PMU_ADDR(3) 0x0 0xffc>;
+ };
+
sram: sram@6000000 {
cpu_scp_scmi_p2a: scp-shmem@80 {
compatible = "arm,scmi-shmem";
diff --git a/plat/arm/board/tc/include/platform_def.h b/plat/arm/board/tc/include/platform_def.h
index be9efae..0eec795 100644
--- a/plat/arm/board/tc/include/platform_def.h
+++ b/plat/arm/board/tc/include/platform_def.h
@@ -422,11 +422,15 @@
#endif /* TARGET_FLAVOUR_FPGA */
#define MCN_OFFSET_IN_NCI 0x00C90000
#define MCN_BASE_ADDR (NCI_BASE_ADDR + MCN_OFFSET_IN_NCI)
+#define MCN_PMU_OFFSET 0x000C4000
#define MCN_MICROARCH_OFFSET 0x000E4000
#define MCN_MICROARCH_BASE_ADDR (MCN_BASE_ADDR + MCN_MICROARCH_OFFSET)
#define MCN_SCR_OFFSET 0x4
#define MCN_SCR_PMU_BIT 10
#define MCN_INSTANCES 4
+#define MCN_PMU_ADDR(n) (MCN_BASE_ADDR + \
+ (n * MCN_ADDRESS_SPACE_SIZE) + \
+ MCN_PMU_OFFSET)
#endif /* TARGET_PLATFORM == 3 */
#endif /* PLATFORM_DEF_H */