diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index f58acbe..53f5e74 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -539,6 +539,10 @@
 # fixed in r1p1.
 ERRATA_A510_2288014	?=0
 
+# Flag to apply erratum 2042739 workaround during reset. This erratum applies
+# to revisions r0p0, r0p1 and r0p2 of the Cortex-A510 cpu and is fixed in r0p3.
+ERRATA_A510_2042739	?=0
+
 # Flag to apply DSU erratum 798953. This erratum applies to DSUs revision r0p0.
 # Applying the workaround results in higher DSU power consumption on idle.
 ERRATA_DSU_798953	?=0
@@ -1004,6 +1008,10 @@
 $(eval $(call assert_boolean,ERRATA_A510_2288014))
 $(eval $(call add_define,ERRATA_A510_2288014))
 
+# Process ERRATA_A510_2042739 flag
+$(eval $(call assert_boolean,ERRATA_A510_2042739))
+$(eval $(call add_define,ERRATA_A510_2042739))
+
 # Process ERRATA_DSU_798953 flag
 $(eval $(call assert_boolean,ERRATA_DSU_798953))
 $(eval $(call add_define,ERRATA_DSU_798953))