diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index be7096cd3e7d10a26e95c036ded2fc75f558a08d..7c142d132cb5f86735c797d6180f4945f56d3423 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -310,6 +310,10 @@ For Neoverse N1, the following errata build flags are defined :
 -  ``ERRATA_N1_1868343``: This applies errata 1868343 workaround to Neoverse-N1
    CPU. This needs to be enabled only for revision <= r4p0 of the CPU.
 
+-  ``ERRATA_N1_1946160``: This applies errata 1946160 workaround to Neoverse-N1
+   CPU. This needs to be enabled for revisions r3p0, r3p1, r4p0, and r4p1, for
+   revisions r0p0, r1p0, and r2p0 there is no workaround.
+
 DSU Errata Workarounds
 ----------------------
 
diff --git a/lib/cpus/aarch64/neoverse_n1.S b/lib/cpus/aarch64/neoverse_n1.S
index 96891be1dc714c6c51d067c4f6927b844a5f0a3c..9c97cf60aba6e52b2c1e982adc8a1496fe5fd582 100644
--- a/lib/cpus/aarch64/neoverse_n1.S
+++ b/lib/cpus/aarch64/neoverse_n1.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2021, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -407,6 +407,63 @@ func check_errata_1868343
 	b	cpu_rev_var_ls
 endfunc check_errata_1868343
 
+	/* --------------------------------------------------
+	 * Errata Workaround for Neoverse N1 Errata #1946160.
+	 * This applies to revisions r3p0, r3p1, r4p0, and
+	 * r4p1 of Neoverse N1. It also exists in r0p0, r1p0,
+	 * and r2p0 but there is no fix in these revisions.
+	 * Inputs:
+	 * x0: variant[4:7] and revision[0:3] of current cpu.
+	 * Shall clobber: x0-x17
+	 * --------------------------------------------------
+	 */
+func errata_n1_1946160_wa
+	/*
+	 * Compare x0 against r3p0 - r4p1
+	 */
+	mov	x17, x30
+	bl	check_errata_1946160
+	cbz	x0, 1f
+
+	mov	x0, #3
+	msr	S3_6_C15_C8_0, x0
+	ldr	x0, =0x10E3900002
+	msr	S3_6_C15_C8_2, x0
+	ldr	x0, =0x10FFF00083
+	msr	S3_6_C15_C8_3, x0
+	ldr	x0, =0x2001003FF
+	msr	S3_6_C15_C8_1, x0
+
+	mov	x0, #4
+	msr	S3_6_C15_C8_0, x0
+	ldr	x0, =0x10E3800082
+	msr	S3_6_C15_C8_2, x0
+	ldr	x0, =0x10FFF00083
+	msr	S3_6_C15_C8_3, x0
+	ldr	x0, =0x2001003FF
+	msr	S3_6_C15_C8_1, x0
+
+	mov	x0, #5
+	msr	S3_6_C15_C8_0, x0
+	ldr	x0, =0x10E3800200
+	msr	S3_6_C15_C8_2, x0
+	ldr	x0, =0x10FFF003E0
+	msr	S3_6_C15_C8_3, x0
+	ldr	x0, =0x2001003FF
+	msr	S3_6_C15_C8_1, x0
+
+	isb
+1:
+	ret	x17
+endfunc errata_n1_1946160_wa
+
+func check_errata_1946160
+	/* Applies to r3p0 - r4p1. */
+	mov	x1, #0x30
+	mov	x2, #0x41
+	b	cpu_rev_var_range
+endfunc check_errata_1946160
+
 func neoverse_n1_reset_func
 	mov	x19, x30
 
@@ -486,6 +543,11 @@ func neoverse_n1_reset_func
 	bl	errata_n1_1868343_wa
 #endif
 
+#if ERRATA_N1_1946160
+	mov	x0, x18
+	bl	errata_n1_1946160_wa
+#endif
+
 #if ENABLE_AMU
 	/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
 	mrs	x0, actlr_el3
@@ -560,6 +622,7 @@ func neoverse_n1_errata_report
 	report_errata ERRATA_N1_1315703, neoverse_n1, 1315703
 	report_errata ERRATA_N1_1542419, neoverse_n1, 1542419
 	report_errata ERRATA_N1_1868343, neoverse_n1, 1868343
+	report_errata ERRATA_N1_1946160, neoverse_n1, 1946160
 	report_errata ERRATA_DSU_936184, neoverse_n1, dsu_936184
 
 	ldp	x8, x30, [sp], #16
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 93b538c580c0352a402dc8f3e7e81e20adb50f72..64a4b4d47db86f0cc761a19ef98cac487cc2d394 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -355,6 +355,11 @@ ERRATA_N1_1542419	?=0
 # to revision <= r4p0 of the Neoverse N1 cpu.
 ERRATA_N1_1868343	?=0
 
+# Flag to apply erratum 1946160 workaround during reset. This erratum applies
+# to revisions r3p0, r3p1, r4p0, and r4p1 of the Neoverse N1 cpu.  The issue
+# exists in revisions r0p0, r1p0, and r2p0 as well but there is no workaround.
+ERRATA_N1_1946160	?=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
@@ -644,6 +649,10 @@ $(eval $(call add_define,ERRATA_N1_1542419))
 $(eval $(call assert_boolean,ERRATA_N1_1868343))
 $(eval $(call add_define,ERRATA_N1_1868343))
 
+# Process ERRATA_N1_1946160 flag
+$(eval $(call assert_boolean,ERRATA_N1_1946160))
+$(eval $(call add_define,ERRATA_N1_1946160))
+
 # Process ERRATA_DSU_798953 flag
 $(eval $(call assert_boolean,ERRATA_DSU_798953))
 $(eval $(call add_define,ERRATA_DSU_798953))