diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index e6ca542..5230cdc 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -840,6 +840,9 @@
 - ``ERRATA_X4_2816013``: This applies errata 2816013 workaround to Cortex-X4
   CPU. This needs to be enabled for revisions r0p0 and r0p1. It is fixed in r0p2.
 
+- ``ERRATA_X4_2897503``: This applies errata 2897503 workaround to Cortex-X4
+  CPU. This needs to be enabled for revisions r0p0 and r0p1. It is fixed in r0p2.
+
 For Cortex-A510, the following errata build flags are defined :
 
 -  ``ERRATA_A510_1922240``: This applies errata 1922240 workaround to
diff --git a/include/lib/cpus/aarch64/cortex_x4.h b/include/lib/cpus/aarch64/cortex_x4.h
index 4b6af8b..b16170c 100644
--- a/include/lib/cpus/aarch64/cortex_x4.h
+++ b/include/lib/cpus/aarch64/cortex_x4.h
@@ -27,6 +27,7 @@
  * CPU Auxiliary control register specific definitions
  ******************************************************************************/
 #define CORTEX_X4_CPUACTLR3_EL1				S3_0_C15_C1_2
+#define CORTEX_X4_CPUACTLR4_EL1				S3_0_C15_C1_3
 
 /*******************************************************************************
  * CPU Auxiliary control register 5 specific definitions
diff --git a/lib/cpus/aarch64/cortex_x4.S b/lib/cpus/aarch64/cortex_x4.S
index 1220d38..75b2766 100644
--- a/lib/cpus/aarch64/cortex_x4.S
+++ b/lib/cpus/aarch64/cortex_x4.S
@@ -69,6 +69,12 @@
 
 check_erratum_ls cortex_x4, ERRATUM(2816013), CPU_REV(0, 1)
 
+workaround_reset_start cortex_x4, ERRATUM(2897503), ERRATA_X4_2897503
+	sysreg_bit_set	CORTEX_X4_CPUACTLR4_EL1, BIT(8)
+workaround_reset_end cortex_x4, ERRATUM(2897503)
+
+check_erratum_ls cortex_x4, ERRATUM(2897503), CPU_REV(0, 1)
+
 workaround_reset_start cortex_x4, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
 #if IMAGE_BL31
 	/*
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index c55597a..2cbbdd2 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -839,6 +839,10 @@
 # to revisions r0p0 and r0p1 of the Cortex-X4 cpu. It is fixed in r0p2.
 CPU_FLAG_LIST += ERRATA_X4_2816013
 
+# Flag to apply erratum 2897503 workaround on reset. This erratum applies
+# to revisions r0p0 and r0p1 of the Cortex-X4 cpu. It is fixed in r0p2.
+CPU_FLAG_LIST += ERRATA_X4_2897503
+
 # Flag to apply erratum 1922240 workaround during reset. This erratum applies
 # to revision r0p0 of the Cortex-A510 cpu and is fixed in r0p1.
 CPU_FLAG_LIST += ERRATA_A510_1922240