diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index cd4d0fd..74be11b 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -426,6 +426,9 @@
 -  ``ERRATA_N2_2138958``: This applies errata 2138958 workaround to Neoverse-N2
    CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
 
+-  ``ERRATA_N2_2242400``: This applies errata 2242400 workaround to Neoverse-N2
+   CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
+
 DSU Errata Workarounds
 ----------------------
 
diff --git a/include/lib/cpus/aarch64/neoverse_n2.h b/include/lib/cpus/aarch64/neoverse_n2.h
index a457f2a..a1e676e 100644
--- a/include/lib/cpus/aarch64/neoverse_n2.h
+++ b/include/lib/cpus/aarch64/neoverse_n2.h
@@ -42,6 +42,7 @@
 #define NEOVERSE_N2_CPUACTLR5_EL1			S3_0_C15_C8_0
 #define NEOVERSE_N2_CPUACTLR5_EL1_BIT_44		(ULL(1) << 44)
 #define NEOVERSE_N2_CPUACTLR5_EL1_BIT_13		(ULL(1) << 13)
+#define NEOVERSE_N2_CPUACTLR5_EL1_BIT_17		(ULL(1) << 17)
 
 /*******************************************************************************
  * CPU Auxiliary Control register specific definitions.
diff --git a/lib/cpus/aarch64/neoverse_n2.S b/lib/cpus/aarch64/neoverse_n2.S
index ff569fb..869aa41 100644
--- a/lib/cpus/aarch64/neoverse_n2.S
+++ b/lib/cpus/aarch64/neoverse_n2.S
@@ -268,6 +268,43 @@
 	b	cpu_rev_var_ls
 endfunc check_errata_2138958
 
+/* --------------------------------------------------
+ * Errata Workaround for Neoverse N2 Erratum 2242400.
+ * This applies to revision r0p0 of Neoverse N2. it is still open.
+ * Inputs:
+ * x0: variant[4:7] and revision[0:3] of current cpu.
+ * Shall clobber: x0-x1, x17
+ * --------------------------------------------------
+ */
+func errata_n2_2242400_wa
+	/* Check revision. */
+	mov	x17, x30
+	bl	check_errata_2242400
+	cbz	x0, 1f
+
+	/* Apply instruction patching sequence */
+	mrs	x1, NEOVERSE_N2_CPUACTLR5_EL1
+	orr	x1, x1, NEOVERSE_N2_CPUACTLR5_EL1_BIT_17
+	msr	NEOVERSE_N2_CPUACTLR5_EL1, x1
+	ldr	x0, =0x2
+	msr	S3_6_c15_c8_0, x0
+	ldr	x0, =0x10F600E000
+	msr	S3_6_c15_c8_2, x0
+	ldr	x0, =0x10FF80E000
+	msr	S3_6_c15_c8_3, x0
+	ldr	x0, =0x80000000003FF
+	msr	S3_6_c15_c8_1, x0
+	isb
+1:
+	ret	x17
+endfunc errata_n2_2242400_wa
+
+func check_errata_2242400
+	/* Applies to r0p0 */
+	mov	x1, #0x00
+	b	cpu_rev_var_ls
+endfunc check_errata_2242400
+
 	/* -------------------------------------------
 	 * The CPU Ops reset function for Neoverse N2.
 	 * -------------------------------------------
@@ -294,13 +331,13 @@
 #endif
 
 #if ERRATA_N2_2025414
-	mov     x0, x18
-	bl      errata_n2_2025414_wa
+	mov	x0, x18
+	bl	errata_n2_2025414_wa
 #endif
 
 #if ERRATA_N2_2189731
-	mov     x0, x18
-	bl      errata_n2_2189731_wa
+	mov	x0, x18
+	bl	errata_n2_2189731_wa
 #endif
 
 
@@ -324,6 +361,11 @@
 	bl	errata_n2_2138958_wa
 #endif
 
+#if ERRATA_N2_2242400
+	mov	x0, x18
+	bl	errata_n2_2242400_wa
+#endif
+
 #if ENABLE_AMU
 	/* Make sure accesses from EL0/EL1 and EL2 are not trapped to EL3 */
 	mrs	x0, cptr_el3
@@ -392,6 +434,7 @@
 	report_errata ERRATA_N2_2138953, neoverse_n2, 2138953
 	report_errata ERRATA_N2_2242415, neoverse_n2, 2242415
 	report_errata ERRATA_N2_2138958, neoverse_n2, 2138958
+	report_errata ERRATA_N2_2242400, neoverse_n2, 2242400
 
 	ldp	x8, x30, [sp], #16
 	ret
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index b676987..f0da139 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -469,6 +469,10 @@
 # to revision r0p0 of the Neoverse N2 cpu and is still open.
 ERRATA_N2_2138958	?=0
 
+# Flag to apply erratum 2242400 workaround during reset. This erratum applies
+# to revision r0p0 of the Neoverse N2 cpu and is still open.
+ERRATA_N2_2242400	?=0
+
 # Flag to apply erratum 2055002 workaround during reset. This erratum applies
 # to revision r1p0, r2p0 of the Cortex-A710 cpu and is still open.
 ERRATA_A710_2055002	?=0
@@ -878,6 +882,10 @@
 $(eval $(call assert_boolean,ERRATA_N2_2138958))
 $(eval $(call add_define,ERRATA_N2_2138958))
 
+# Process ERRATA_N2_2242400 flag
+$(eval $(call assert_boolean,ERRATA_N2_2242400))
+$(eval $(call add_define,ERRATA_N2_2242400))
+
 # Process ERRATA_A710_2055002 flag
 $(eval $(call assert_boolean,ERRATA_A710_2055002))
 $(eval $(call add_define,ERRATA_A710_2055002))