diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 6029035..2fa3b9a 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -474,6 +474,12 @@
    Cortex-X2 CPU. This needs to be enabled only for revisions r0p0, r1p0 and
    r2p0 of the CPU, it is fixed in r2p1.
 
+For Cortex-A510, the following errata build flags are defined :
+
+-  ``ERRATA_A510_1922240``: This applies errata 1922240 workaround to
+   Cortex-A510 CPU. This needs to be enabled only for revision r0p0, it is
+   fixed in r0p1.
+
 DSU Errata Workarounds
 ----------------------
 
diff --git a/include/lib/cpus/aarch64/cortex_a510.h b/include/lib/cpus/aarch64/cortex_a510.h
index 6a4cfdf..e12c13a 100644
--- a/include/lib/cpus/aarch64/cortex_a510.h
+++ b/include/lib/cpus/aarch64/cortex_a510.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, ARM Limited. All rights reserved.
+ * Copyright (c) 2022, ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -20,4 +20,9 @@
 #define CORTEX_A510_CPUPWRCTLR_EL1				S3_0_C15_C2_7
 #define CORTEX_A510_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
 
+/*******************************************************************************
+ * Complex auxiliary control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A510_CMPXACTLR_EL1				S3_0_C15_C1_3
+
 #endif /* CORTEX_A510_H */
diff --git a/lib/cpus/aarch64/cortex_a510.S b/lib/cpus/aarch64/cortex_a510.S
index 3310322..8f741b9 100644
--- a/lib/cpus/aarch64/cortex_a510.S
+++ b/lib/cpus/aarch64/cortex_a510.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, ARM Limited. All rights reserved.
+ * Copyright (c) 2022, ARM Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -13,14 +13,43 @@
 
 /* Hardware handled coherency */
 #if HW_ASSISTED_COHERENCY == 0
-#error "Cortex A510 must be compiled with HW_ASSISTED_COHERENCY enabled"
+#error "Cortex-A510 must be compiled with HW_ASSISTED_COHERENCY enabled"
 #endif
 
 /* 64-bit only core */
 #if CTX_INCLUDE_AARCH32_REGS == 1
-#error "Cortex A510 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
+#error "Cortex-A510 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
 #endif
 
+	/* --------------------------------------------------
+	 * Errata Workaround for Cortex-A510 Errata #1922240.
+	 * This applies only to revision r0p0 (fixed in r0p1)
+	 * x0: variant[4:7] and revision[0:3] of current cpu.
+	 * Shall clobber: x0, x1, x17
+	 * --------------------------------------------------
+	 */
+func errata_cortex_a510_1922240_wa
+	/* Check workaround compatibility. */
+	mov	x17, x30
+	bl	check_errata_1922240
+	cbz	x0, 1f
+
+	/* Apply the workaround by setting IMP_CMPXACTLR_EL1[11:10] = 0b11. */
+	mrs	x0, CORTEX_A510_CMPXACTLR_EL1
+	mov	x1, #3
+	bfi	x0, x1, #10, #2
+	msr	CORTEX_A510_CMPXACTLR_EL1, x0
+
+1:
+	ret	x17
+endfunc errata_cortex_a510_1922240_wa
+
+func check_errata_1922240
+	/* Applies to r0p0 only */
+	mov	x1, #0x00
+	b	cpu_rev_var_ls
+endfunc check_errata_1922240
+
 	/* ----------------------------------------------------
 	 * HW will do the cache maintenance while powering down
 	 * ----------------------------------------------------
@@ -38,19 +67,43 @@
 endfunc cortex_a510_core_pwr_dwn
 
 	/*
-	 * Errata printing function for Cortex A510. Must follow AAPCS.
+	 * Errata printing function for Cortex-A510. Must follow AAPCS.
 	 */
 #if REPORT_ERRATA
 func cortex_a510_errata_report
+	stp	x8, x30, [sp, #-16]!
+
+	bl	cpu_get_rev_var
+	mov	x8, x0
+
+	/*
+	 * Report all errata. The revision-variant information is passed to
+	 * checking functions of each errata.
+	 */
+	report_errata ERRATA_A510_1922240, cortex_a510, 1922240
+
+	ldp	x8, x30, [sp], #16
 	ret
 endfunc cortex_a510_errata_report
 #endif
 
 func cortex_a510_reset_func
+	mov	x19, x30
+
 	/* Disable speculative loads */
 	msr	SSBS, xzr
 	isb
-	ret
+
+	/* Get the CPU revision and stash it in x18. */
+	bl	cpu_get_rev_var
+	mov	x18, x0
+
+#if ERRATA_A510_1922240
+	mov	x0, x18
+	bl	errata_cortex_a510_1922240_wa
+#endif
+
+	ret	x19
 endfunc cortex_a510_reset_func
 
 	/* ---------------------------------------------
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index e02aa01..2c2fadb 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -7,27 +7,27 @@
 
 # Cortex A57 specific optimisation to skip L1 cache flush when
 # cluster is powered down.
-SKIP_A57_L1_FLUSH_PWR_DWN	?=0
+SKIP_A57_L1_FLUSH_PWR_DWN		?=0
 
 # Flag to disable the cache non-temporal hint.
 # It is enabled by default.
-A53_DISABLE_NON_TEMPORAL_HINT	?=1
+A53_DISABLE_NON_TEMPORAL_HINT		?=1
 
 # Flag to disable the cache non-temporal hint.
 # It is enabled by default.
-A57_DISABLE_NON_TEMPORAL_HINT	?=1
+A57_DISABLE_NON_TEMPORAL_HINT		?=1
 
 # Flag to enable higher performance non-cacheable load forwarding.
 # It is disabled by default.
 A57_ENABLE_NONCACHEABLE_LOAD_FWD	?= 0
 
-WORKAROUND_CVE_2017_5715	?=1
-WORKAROUND_CVE_2018_3639	?=1
+WORKAROUND_CVE_2017_5715		?=1
+WORKAROUND_CVE_2018_3639		?=1
 DYNAMIC_WORKAROUND_CVE_2018_3639	?=0
 
 # Flags to indicate internal or external Last level cache
 # By default internal
-NEOVERSE_Nx_EXTERNAL_LLC	?=0
+NEOVERSE_Nx_EXTERNAL_LLC		?=0
 
 # Process A57_ENABLE_NONCACHEABLE_LOAD_FWD flag
 $(eval $(call assert_boolean,A57_ENABLE_NONCACHEABLE_LOAD_FWD))
@@ -60,9 +60,9 @@
 $(eval $(call add_define,NEOVERSE_Nx_EXTERNAL_LLC))
 
 ifneq (${DYNAMIC_WORKAROUND_CVE_2018_3639},0)
-    ifeq (${WORKAROUND_CVE_2018_3639},0)
-        $(error "Error: WORKAROUND_CVE_2018_3639 must be 1 if DYNAMIC_WORKAROUND_CVE_2018_3639 is 1")
-    endif
+	ifeq (${WORKAROUND_CVE_2018_3639},0)
+		$(error "Error: WORKAROUND_CVE_2018_3639 must be 1 if DYNAMIC_WORKAROUND_CVE_2018_3639 is 1")
+	endif
 endif
 
 # CPU Errata Build flags.
@@ -108,7 +108,7 @@
 # only to revision <= r0p2 of the Cortex A53 cpu.
 ERRATA_A53_827319	?=0
 
-# Flag to apply erratum 835769 workaround at compile and link time.  This
+# Flag to apply erratum 835769 workaround at compile and link time. This
 # erratum applies to revision <= r0p4 of the Cortex A53 cpu. Enabling this
 # workaround can lead the linker to create "*.stub" sections.
 ERRATA_A53_835769	?=0
@@ -170,11 +170,11 @@
 # only to revision r0p0 of the Cortex A57 cpu.
 ERRATA_A57_813419	?=0
 
-# Flag to apply erratum 813420  workaround during reset. This erratum applies
+# Flag to apply erratum 813420 workaround during reset. This erratum applies
 # only to revision r0p0 of the Cortex A57 cpu.
 ERRATA_A57_813420	?=0
 
-# Flag to apply erratum 814670  workaround during reset. This erratum applies
+# Flag to apply erratum 814670 workaround during reset. This erratum applies
 # only to revision r0p0 of the Cortex A57 cpu.
 ERRATA_A57_814670	?=0
 
@@ -307,7 +307,7 @@
 ERRATA_A78_1941498	?=0
 
 # Flag to apply erratum 1951500 workaround during reset. This erratum applies
-# to revisions r1p0 and r1p1 of the A78 cpu.  The issue is present in r0p0 as
+# to revisions r1p0 and r1p1 of the A78 cpu. The issue is present in r0p0 as
 # well but there is no workaround for that revision.
 ERRATA_A78_1951500	?=0
 
@@ -317,11 +317,11 @@
 
 # Flag to apply erratum 1952683 workaround during reset. This erratum applies
 # to revision r0p0 of the A78 cpu and was fixed in the revision r1p0.
-ERRATA_A78_1952683  ?=0
+ERRATA_A78_1952683	?=0
 
 # Flag to apply erratum 2132060 workaround during reset. This erratum applies
 # to revisions r0p0, r1p0, r1p1, and r1p2 of the A78 cpu. It is still open.
-ERRATA_A78_2132060  ?=0
+ERRATA_A78_2132060	?=0
 
 # Flag to apply erratum 2242635 workaround during reset. This erratum applies
 # to revisions r1p0, r1p1, and r1p2 of the A78 cpu and is open. The issue is
@@ -389,7 +389,7 @@
 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
+# 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
 
@@ -397,19 +397,19 @@
 # to revisions r0p0 of the Neoverse-N2 cpu, it is still open.
 ERRATA_N2_2002655	?=0
 
-# Flag to apply erratum 1774420 workaround during reset.  This erratum applies
+# Flag to apply erratum 1774420 workaround during reset. This erratum applies
 # to revisions r0p0 and r1p0 of the Neoverse V1 core, and was fixed in r1p1.
 ERRATA_V1_1774420	?=0
 
-# Flag to apply erratum 1791573 workaround during reset.  This erratum applies
+# Flag to apply erratum 1791573 workaround during reset. This erratum applies
 # to revisions r0p0 and r1p0 of the Neoverse V1 core, and was fixed in r1p1.
 ERRATA_V1_1791573	?=0
 
-# Flag to apply erratum 1852267 workaround during reset.  This erratum applies
+# Flag to apply erratum 1852267 workaround during reset. This erratum applies
 # to revisions r0p0 and r1p0 of the Neoverse V1 core, and was fixed in r1p1.
 ERRATA_V1_1852267	?=0
 
-# Flag to apply erratum 1925756 workaround during reset.  This needs to be
+# Flag to apply erratum 1925756 workaround during reset. This needs to be
 # enabled for r0p0, r1p0, and r1p1 of the Neoverse V1 core, it is still open.
 ERRATA_V1_1925756	?=0
 
@@ -418,7 +418,7 @@
 ERRATA_V1_1940577	?=0
 
 # Flag to apply erratum 1966096 workaround during reset. This erratum applies
-# to revisions r1p0 and r1p1 of the Neoverse V1 CPU and is open.  This issue
+# to revisions r1p0 and r1p1 of the Neoverse V1 CPU and is open. This issue
 # exists in r0p0 as well but there is no workaround for that revision.
 ERRATA_V1_1966096	?=0
 
@@ -451,6 +451,22 @@
 # to revisions r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is still open.
 ERRATA_A710_2058056	?=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
+
+# Flag to apply erratum 2017096 workaround during reset. This erratum applies
+# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is still open.
+ERRATA_A710_2017096	?=0
+
+# Flag to apply erratum 2267065 workaround during reset. This erratum applies
+# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is fixed in r2p1.
+ERRATA_A710_2267065	?=0
+
+# Flag to apply erratum 2136059 workaround during reset. This erratum applies
+# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is fixed in r2p1.
+ERRATA_A710_2136059	?=0
+
 # Flag to apply erratum 2067956 workaround during reset. This erratum applies
 # to revision r0p0 of the Neoverse N2 cpu and is still open.
 ERRATA_N2_2067956	?=0
@@ -487,22 +503,6 @@
 # to revision r0p0 of the Neoverse N2 cpu and is still open.
 ERRATA_N2_2280757	?=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
-
-# Flag to apply erratum 2017096 workaround during reset. This erratum applies
-# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is still open.
-ERRATA_A710_2017096	?=0
-
-# Flag to apply erratum 2267065 workaround during reset. This erratum applies
-# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is fixed in r2p1.
-ERRATA_A710_2267065	?=0
-
-# Flag to apply erratum 2136059 workaround during reset. This erratum applies
-# to revision r0p0, r1p0 and r2p0 of the Cortex-A710 cpu and is fixed in r2p1.
-ERRATA_A710_2136059	?=0
-
 # Flag to apply erratum 2002765 workaround during reset. This erratum applies
 # to revisions r0p0, r1p0, and r2p0 of the Cortex-X2 cpu and is still open.
 ERRATA_X2_2002765	?=0
@@ -530,6 +530,10 @@
 # r2p1.
 ERRATA_X2_2216384	?=0
 
+# Flag to apply erratum 1922240 workaround during reset. This erratum applies
+# to revision r0p0 of the Cortex-A510 cpu and is fixed in r0p1.
+ERRATA_A510_1922240	?=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
@@ -911,6 +915,22 @@
 $(eval $(call assert_boolean,ERRATA_A710_2058056))
 $(eval $(call add_define,ERRATA_A710_2058056))
 
+# Process ERRATA_A710_2055002 flag
+$(eval $(call assert_boolean,ERRATA_A710_2055002))
+$(eval $(call add_define,ERRATA_A710_2055002))
+
+# Process ERRATA_A710_2017096 flag
+$(eval $(call assert_boolean,ERRATA_A710_2017096))
+$(eval $(call add_define,ERRATA_A710_2017096))
+
+# Process ERRATA_A710_2267065 flag
+$(eval $(call assert_boolean,ERRATA_A710_2267065))
+$(eval $(call add_define,ERRATA_A710_2267065))
+
+# Process ERRATA_A710_2136059 flag
+$(eval $(call assert_boolean,ERRATA_A710_2136059))
+$(eval $(call add_define,ERRATA_A710_2136059))
+
 # Process ERRATA_N2_2067956 flag
 $(eval $(call assert_boolean,ERRATA_N2_2067956))
 $(eval $(call add_define,ERRATA_N2_2067956))
@@ -947,22 +967,6 @@
 $(eval $(call assert_boolean,ERRATA_N2_2280757))
 $(eval $(call add_define,ERRATA_N2_2280757))
 
-# Process ERRATA_A710_2055002 flag
-$(eval $(call assert_boolean,ERRATA_A710_2055002))
-$(eval $(call add_define,ERRATA_A710_2055002))
-
-# Process ERRATA_A710_2017096 flag
-$(eval $(call assert_boolean,ERRATA_A710_2017096))
-$(eval $(call add_define,ERRATA_A710_2017096))
-
-# Process ERRATA_A710_2267065 flag
-$(eval $(call assert_boolean,ERRATA_A710_2267065))
-$(eval $(call add_define,ERRATA_A710_2267065))
-
-# Process ERRATA_A710_2136059 flag
-$(eval $(call assert_boolean,ERRATA_A710_2136059))
-$(eval $(call add_define,ERRATA_A710_2136059))
-
 # Process ERRATA_X2_2002765 flag
 $(eval $(call assert_boolean,ERRATA_X2_2002765))
 $(eval $(call add_define,ERRATA_X2_2002765))
@@ -987,6 +991,10 @@
 $(eval $(call assert_boolean,ERRATA_X2_2216384))
 $(eval $(call add_define,ERRATA_X2_2216384))
 
+# Process ERRATA_A510_1922240 flag
+$(eval $(call assert_boolean,ERRATA_A510_1922240))
+$(eval $(call add_define,ERRATA_A510_1922240))
+
 # Process ERRATA_DSU_798953 flag
 $(eval $(call assert_boolean,ERRATA_DSU_798953))
 $(eval $(call add_define,ERRATA_DSU_798953))