feat(tc): enable DSU PMU el1 access for TC4
Enable DSU PMU EL1 access for TC4 to use DSU PMU using perf
in Linux.
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Icen Zeyada <Icen.Zeyada2@arm.com>
Change-Id: I5492bab5c95d60ffaaede4606d8d75c00f988eb6
diff --git a/plat/arm/board/tc/include/tc_helpers.S b/plat/arm/board/tc/include/tc_helpers.S
index 9adf09a..48ca16c 100644
--- a/plat/arm/board/tc/include/tc_helpers.S
+++ b/plat/arm/board/tc/include/tc_helpers.S
@@ -82,6 +82,9 @@
endfunc TC_HANDLER(3)
func TC_HANDLER(4)
+ mov x9, lr
+ bl enable_dsu_pmu_el1_access
+ mov lr, x9
ret
endfunc TC_HANDLER(4)