feat(dsu): save/restore DSU PMU register
Adds driver support to preserve DSU PMU register values over a DSU
power cycle. This driver needs to be enabled by the platforms that
support DSU and also need it's PMU registers to be preserved
Change-Id: I7fc68a3d7d99ee369379aa5cd114fffc763fc0d2
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index b9ea810..2685195 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -395,3 +395,7 @@
# Enable early console
EARLY_CONSOLE := 0
+
+# Allow platforms to save/restore DSU PMU registers over a power cycle.
+# Disabled by default and must be enabled by individual platforms.
+PRESERVE_DSU_PMU_REGS := 0