diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 01ee416..fd99d8e 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -234,6 +234,9 @@
 -  ``ERRATA_N1_1130799``: This applies errata 1130799 workaround to Neoverse-N1
    CPU. This needs to be enabled only for revision <= r2p0 of the CPU.
 
+-  ``ERRATA_N1_1165347``: This applies errata 1165347 workaround to Neoverse-N1
+   CPU. This needs to be enabled only for revision <= r2p0 of the CPU.
+
 -  ``ERRATA_N1_1315703``: This applies errata 1315703 workaround to Neoverse-N1
    CPU. This needs to be enabled only for revision <= r3p0 of the CPU.
 
diff --git a/include/lib/cpus/aarch64/neoverse_n1.h b/include/lib/cpus/aarch64/neoverse_n1.h
index 9042d70..7950cd2 100644
--- a/include/lib/cpus/aarch64/neoverse_n1.h
+++ b/include/lib/cpus/aarch64/neoverse_n1.h
@@ -39,7 +39,9 @@
 
 #define NEOVERSE_N1_CPUACTLR2_EL1	S3_0_C15_C1_1
 
+#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_0		(ULL(1) << 0)
 #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_2		(ULL(1) << 2)
+#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_15	(ULL(1) << 15)
 #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_16	(ULL(1) << 16)
 #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_59	(ULL(1) << 59)
 
diff --git a/lib/cpus/aarch64/neoverse_n1.S b/lib/cpus/aarch64/neoverse_n1.S
index 31708a4..a8ffa25 100644
--- a/lib/cpus/aarch64/neoverse_n1.S
+++ b/lib/cpus/aarch64/neoverse_n1.S
@@ -130,6 +130,34 @@
 endfunc check_errata_1130799
 
 /* --------------------------------------------------
+ * Errata Workaround for Neoverse N1 Errata #1165347
+ * This applies to revision <=r2p0 of Neoverse N1.
+ * Inputs:
+ * x0: variant[4:7] and revision[0:3] of current cpu.
+ * Shall clobber: x0-x17
+ * --------------------------------------------------
+ */
+func errata_n1_1165347_wa
+	/* Compare x0 against revision r2p0 */
+	mov	x17, x30
+	bl	check_errata_1165347
+	cbz	x0, 1f
+	mrs	x1, NEOVERSE_N1_CPUACTLR2_EL1
+	orr	x1, x1, NEOVERSE_N1_CPUACTLR2_EL1_BIT_0
+	orr	x1, x1, NEOVERSE_N1_CPUACTLR2_EL1_BIT_15
+	msr	NEOVERSE_N1_CPUACTLR2_EL1, x1
+	isb
+1:
+	ret	x17
+endfunc errata_n1_1165347_wa
+
+func check_errata_1165347
+	/* Applies to <=r2p0 */
+	mov	x1, #0x20
+	b	cpu_rev_var_ls
+endfunc check_errata_1165347
+
+/* --------------------------------------------------
  * Errata Workaround for Neoverse N1 Erratum 1315703.
  * This applies to revision <= r3p0 of Neoverse N1.
  * Inputs:
@@ -187,6 +215,11 @@
 	bl	errata_n1_1130799_wa
 #endif
 
+#if ERRATA_N1_1165347
+	mov	x0, x18
+	bl	errata_n1_1165347_wa
+#endif
+
 #if ERRATA_N1_1315703
 	mov	x0, x18
 	bl	errata_n1_1315703_wa
@@ -251,6 +284,7 @@
 	report_errata ERRATA_N1_1043202, neoverse_n1, 1043202
 	report_errata ERRATA_N1_1073348, neoverse_n1, 1073348
 	report_errata ERRATA_N1_1130799, neoverse_n1, 1130799
+	report_errata ERRATA_N1_1165347, neoverse_n1, 1165347
 	report_errata ERRATA_N1_1315703, neoverse_n1, 1315703
 	report_errata ERRATA_DSU_936184, neoverse_n1, dsu_936184
 
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 676667b..faaf120 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -246,6 +246,10 @@
 # only to revision <= r2p0 of the Neoverse N1 cpu.
 ERRATA_N1_1130799	?=0
 
+# Flag to apply erratum 1165347 workaround during reset. This erratum applies
+# only to revision <= r2p0 of the Neoverse N1 cpu.
+ERRATA_N1_1165347	?=0
+
 # Flag to apply erratum 1315703 workaround during reset. This erratum applies
 # to revisions before r3p1 of the Neoverse N1 cpu.
 ERRATA_N1_1315703	?=1
@@ -447,6 +451,10 @@
 $(eval $(call assert_boolean,ERRATA_N1_1130799))
 $(eval $(call add_define,ERRATA_N1_1130799))
 
+# Process ERRATA_N1_1165347 flag
+$(eval $(call assert_boolean,ERRATA_N1_1165347))
+$(eval $(call add_define,ERRATA_N1_1165347))
+
 # Process ERRATA_N1_1315703 flag
 $(eval $(call assert_boolean,ERRATA_N1_1315703))
 $(eval $(call add_define,ERRATA_N1_1315703))