diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index c42eb1c..c7e8b33 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -53,6 +53,9 @@
 # These should be enabled by the platform if the erratum workaround needs to be
 # applied.
 
+# Flag to apply erratum 794073 workaround when disabling mmu.
+ERRATA_A9_794073	?=0
+
 # Flag to apply erratum 816470 workaround during power down. This erratum
 # applies only to revision >= r3p0 of the Cortex A15 cpu.
 ERRATA_A15_816470	?=0
@@ -212,6 +215,10 @@
 # higher DSU power consumption on idle.
 ERRATA_DSU_936184	?=0
 
+# Process ERRATA_A9_794073 flag
+$(eval $(call assert_boolean,ERRATA_A9_794073))
+$(eval $(call add_define,ERRATA_A9_794073))
+
 # Process ERRATA_A15_816470 flag
 $(eval $(call assert_boolean,ERRATA_A15_816470))
 $(eval $(call add_define,ERRATA_A15_816470))