Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

56 files changed, 2660 insertions, 0 deletions

diff --git a/include/lib/cpus/aarch32/aem_generic.h b/include/lib/cpus/aarch32/aem_generic.h
new file mode 100644
index 0000000..1d40cec
--- /dev/null
+++ b/include/lib/cpus/aarch32/aem_generic.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef AEM_GENERIC_H
+#define AEM_GENERIC_H
+
+#include <lib/utils_def.h>
+
+/* BASE AEM midr for revision 0 */
+#define BASE_AEM_MIDR		U(0x410FD0F0)
+
+#endif /* AEM_GENERIC_H */
diff --git a/include/lib/cpus/aarch32/cortex_a12.h b/include/lib/cpus/aarch32/cortex_a12.h
new file mode 100644
index 0000000..abacdba
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a12.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A12_H
+#define CORTEX_A12_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Cortex-A12 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A12_MIDR			U(0x410FC0D0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A12_ACTLR_SMP_BIT	(U(1) << 6)
+
+#endif /* CORTEX_A12_H */
diff --git a/include/lib/cpus/aarch32/cortex_a15.h b/include/lib/cpus/aarch32/cortex_a15.h
new file mode 100644
index 0000000..9526a9c
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a15.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A15_H
+#define CORTEX_A15_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Auxiliary Control Register 2 specific definitions.
+ ******************************************************************************/
+#define CORTEX_A15_ACTLR2			p15, 1, c15, c0, 4
+
+#define CORTEX_A15_ACTLR2_INV_DCC_BIT		(U(1) << 0)
+
+/*******************************************************************************
+ * Cortex-A15 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A15_MIDR			U(0x410FC0F0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A15_ACTLR_INV_BTB_BIT	(U(1) << 0)
+#define CORTEX_A15_ACTLR_SMP_BIT	(U(1) << 6)
+
+#endif /* CORTEX_A15_H */
diff --git a/include/lib/cpus/aarch32/cortex_a17.h b/include/lib/cpus/aarch32/cortex_a17.h
new file mode 100644
index 0000000..89a8eb6
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a17.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A17_H
+#define CORTEX_A17_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Cortex-A17 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A17_MIDR			U(0x410FC0E0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A17_ACTLR_SMP_BIT	(U(1) << 6)
+
+/*******************************************************************************
+ * Implementation defined register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A17_IMP_DEF_REG1		p15, 0, c15, c0, 1
+
+#endif /* CORTEX_A17_H */
diff --git a/include/lib/cpus/aarch32/cortex_a32.h b/include/lib/cpus/aarch32/cortex_a32.h
new file mode 100644
index 0000000..6ddd533
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a32.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A32_H
+#define CORTEX_A32_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A32 Main ID register for revision 0 */
+#define CORTEX_A32_MIDR				U(0x410FD010)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ * CPUECTLR_EL1 is an implementation-specific register.
+ ******************************************************************************/
+#define CORTEX_A32_CPUECTLR_EL1			p15, 1, c15
+#define CORTEX_A32_CPUECTLR_SMPEN_BIT		(ULL(1) << 6)
+
+#endif /* CORTEX_A32_H */
diff --git a/include/lib/cpus/aarch32/cortex_a5.h b/include/lib/cpus/aarch32/cortex_a5.h
new file mode 100644
index 0000000..76703b7
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a5.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A5_H
+#define CORTEX_A5_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Cortex-A8 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A5_MIDR			U(0x410FC050)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A5_ACTLR_SMP_BIT		(U(1) << 6)
+
+#endif /* CORTEX_A5_H */
diff --git a/include/lib/cpus/aarch32/cortex_a53.h b/include/lib/cpus/aarch32/cortex_a53.h
new file mode 100644
index 0000000..8dd0192
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a53.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A53_H
+#define CORTEX_A53_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A53 midr for revision 0 */
+#define CORTEX_A53_MIDR			U(0x410FD030)
+
+/* Retention timer tick definitions */
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_ECTLR			p15, 1, c15
+
+#define CORTEX_A53_ECTLR_SMP_BIT		(U(1) << 6)
+
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_MASK	(ULL(0x7) << CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT)
+
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT	U(3)
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_MASK	(ULL(0x7) << CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_MERRSR			p15, 2, c15
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_CPUACTLR			p15, 0, c15
+
+#define CORTEX_A53_CPUACTLR_ENDCCASCI_SHIFT	U(44)
+#define CORTEX_A53_CPUACTLR_ENDCCASCI		(ULL(1) << CORTEX_A53_CPUACTLR_ENDCCASCI_SHIFT)
+#define CORTEX_A53_CPUACTLR_DTAH_SHIFT		U(24)
+#define CORTEX_A53_CPUACTLR_DTAH		(ULL(1) << CORTEX_A53_CPUACTLR_DTAH_SHIFT)
+
+/*******************************************************************************
+ * L2 Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2ACTLR			p15, 1, c15, c0, 0
+
+#define CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN	(U(1) << 14)
+#define CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH	(U(1) << 3)
+
+/*******************************************************************************
+ * L2 Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2ECTLR			p15, 1, c9, c0, 3
+
+#define CORTEX_A53_L2ECTLR_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A53_L2ECTLR_RET_CTRL_MASK	(U(0x7) << L2ECTLR_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2MERRSR			p15, 3, c15
+
+#endif /* CORTEX_A53_H */
diff --git a/include/lib/cpus/aarch32/cortex_a57.h b/include/lib/cpus/aarch32/cortex_a57.h
new file mode 100644
index 0000000..ffabd61
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a57.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A57_H
+#define CORTEX_A57_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A57 midr for revision 0 */
+#define CORTEX_A57_MIDR			U(0x410FD070)
+
+/* Retention timer tick definitions */
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_ECTLR			p15, 1, c15
+
+#define CORTEX_A57_ECTLR_SMP_BIT		(ULL(1) << 6)
+#define CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(ULL(1) << 38)
+#define CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK	(ULL(0x3) << 35)
+#define CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK	(ULL(0x3) << 32)
+
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK	(ULL(0x7) << CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_CPUMERRSR			p15, 2, c15
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_CPUACTLR				p15, 0, c15
+
+#define CORTEX_A57_CPUACTLR_DIS_LOAD_PASS_DMB		(ULL(1) << 59)
+#define CORTEX_A57_CPUACTLR_DIS_DMB_NULLIFICATION	(ULL(1) << 58)
+#define CORTEX_A57_CPUACTLR_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
+#define CORTEX_A57_CPUACTLR_GRE_NGRE_AS_NGNRE		(ULL(1) << 54)
+#define CORTEX_A57_CPUACTLR_DIS_OVERREAD		(ULL(1) << 52)
+#define CORTEX_A57_CPUACTLR_NO_ALLOC_WBWA		(ULL(1) << 49)
+#define CORTEX_A57_CPUACTLR_DCC_AS_DCCI			(ULL(1) << 44)
+#define CORTEX_A57_CPUACTLR_FORCE_FPSCR_FLUSH		(ULL(1) << 38)
+#define CORTEX_A57_CPUACTLR_DIS_INSTR_PREFETCH		(ULL(1) << 32)
+#define CORTEX_A57_CPUACTLR_DIS_STREAMING		(ULL(3) << 27)
+#define CORTEX_A57_CPUACTLR_DIS_L1_STREAMING		(ULL(3) << 25)
+#define CORTEX_A57_CPUACTLR_DIS_INDIRECT_PREDICTOR	(ULL(1) << 4)
+
+/*******************************************************************************
+ * L2 Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2CTLR				p15, 1, c9, c0, 2
+
+#define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
+#define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
+
+#define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
+#define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
+
+/*******************************************************************************
+ * L2 Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2ECTLR			p15, 1, c9, c0, 3
+
+#define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(U(0x7) << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2MERRSR			p15, 3, c15
+
+#endif /* CORTEX_A57_H */
diff --git a/include/lib/cpus/aarch32/cortex_a7.h b/include/lib/cpus/aarch32/cortex_a7.h
new file mode 100644
index 0000000..730fdb5
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a7.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A7_H
+#define CORTEX_A7_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Cortex-A7 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A7_MIDR			U(0x410FC070)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A7_ACTLR_SMP_BIT		(U(1) << 6)
+
+#endif /* CORTEX_A7_H */
diff --git a/include/lib/cpus/aarch32/cortex_a72.h b/include/lib/cpus/aarch32/cortex_a72.h
new file mode 100644
index 0000000..4b1af61
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a72.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A72_H
+#define CORTEX_A72_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A72 midr for revision 0 */
+#define CORTEX_A72_MIDR		U(0x410FD080)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_ECTLR				p15, 1, c15
+
+#define CORTEX_A72_ECTLR_SMP_BIT			(ULL(1) << 6)
+#define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT		(ULL(1) << 38)
+#define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK		(ULL(0x3) << 35)
+#define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK		(ULL(0x3) << 32)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_MERRSR				p15, 2, c15
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_CPUACTLR				p15, 0, c15
+
+#define CORTEX_A72_CPUACTLR_DISABLE_L1_DCACHE_HW_PFTCH	(ULL(1) << 56)
+#define CORTEX_A72_CPUACTLR_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
+#define CORTEX_A72_CPUACTLR_NO_ALLOC_WBWA		(ULL(1) << 49)
+#define CORTEX_A72_CPUACTLR_DCC_AS_DCCI			(ULL(1) << 44)
+#define CORTEX_A72_CPUACTLR_DIS_INSTR_PREFETCH		(ULL(1) << 32)
+
+/*******************************************************************************
+ * L2 Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_L2CTLR				p15, 1, c9, c0, 2
+
+#define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
+#define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
+
+#define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES		U(0x1)
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_L2MERRSR				p15, 3, c15
+
+#endif /* CORTEX_A72_H */
diff --git a/include/lib/cpus/aarch32/cortex_a9.h b/include/lib/cpus/aarch32/cortex_a9.h
new file mode 100644
index 0000000..a8c978a
--- /dev/null
+++ b/include/lib/cpus/aarch32/cortex_a9.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A9_H
+#define CORTEX_A9_H
+
+#include <lib/utils_def.h>
+
+/*******************************************************************************
+ * Cortex-A9 midr with version/revision set to 0
+ ******************************************************************************/
+#define CORTEX_A9_MIDR			U(0x410FC090)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A9_ACTLR_SMP_BIT		(U(1) << 6)
+#define CORTEX_A9_ACTLR_FLZW_BIT	(U(1) << 3)
+
+/*******************************************************************************
+ * CPU Power Control Register
+ ******************************************************************************/
+#define PCR		p15, 0, c15, c0, 0
+
+#ifndef __ASSEMBLER__
+#include <arch_helpers.h>
+DEFINE_COPROCR_RW_FUNCS(pcr, PCR)
+#endif
+
+#endif /* CORTEX_A9_H */
diff --git a/include/lib/cpus/aarch32/cpu_macros.S b/include/lib/cpus/aarch32/cpu_macros.S
new file mode 100644
index 0000000..a5ae6a4
--- /dev/null
+++ b/include/lib/cpus/aarch32/cpu_macros.S
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef CPU_MACROS_S
+#define CPU_MACROS_S
+
+#include <arch.h>
+#include <lib/cpus/errata_report.h>
+
+#if defined(IMAGE_BL1) || defined(IMAGE_BL32)  || (defined(IMAGE_BL2) && BL2_AT_EL3)
+#define IMAGE_AT_EL3
+#endif
+
+#define CPU_IMPL_PN_MASK	(MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \
+				(MIDR_PN_MASK << MIDR_PN_SHIFT)
+
+/* The number of CPU operations allowed */
+#define CPU_MAX_PWR_DWN_OPS		2
+
+/* Special constant to specify that CPU has no reset function */
+#define CPU_NO_RESET_FUNC		0
+
+/* Word size for 32-bit CPUs */
+#define CPU_WORD_SIZE			4
+
+/*
+ * Whether errata status needs reporting. Errata status is printed in debug
+ * builds for both BL1 and BL32 images.
+ */
+#if (defined(IMAGE_BL1) || defined(IMAGE_BL32)) && DEBUG
+# define REPORT_ERRATA	1
+#else
+# define REPORT_ERRATA	0
+#endif
+
+
+	.equ	CPU_MIDR_SIZE, CPU_WORD_SIZE
+	.equ	CPU_RESET_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_PWR_DWN_OPS_SIZE, CPU_WORD_SIZE * CPU_MAX_PWR_DWN_OPS
+	.equ	CPU_ERRATA_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_ERRATA_LOCK_SIZE, CPU_WORD_SIZE
+	.equ	CPU_ERRATA_PRINTED_SIZE, CPU_WORD_SIZE
+
+#ifndef IMAGE_AT_EL3
+	.equ	CPU_RESET_FUNC_SIZE, 0
+#endif
+
+/* The power down core and cluster is needed only in BL32 */
+#ifndef IMAGE_BL32
+	.equ	CPU_PWR_DWN_OPS_SIZE, 0
+#endif
+
+/* Fields required to print errata status  */
+#if !REPORT_ERRATA
+	.equ	CPU_ERRATA_FUNC_SIZE, 0
+#endif
+
+/* Only BL32 requires mutual exclusion and printed flag. */
+#if !(REPORT_ERRATA && defined(IMAGE_BL32))
+	.equ	CPU_ERRATA_LOCK_SIZE, 0
+	.equ	CPU_ERRATA_PRINTED_SIZE, 0
+#endif
+
+
+/*
+ * Define the offsets to the fields in cpu_ops structure.
+ * Every offset is defined based on the offset and size of the previous
+ * field.
+ */
+	.equ	CPU_MIDR, 0
+	.equ	CPU_RESET_FUNC, CPU_MIDR + CPU_MIDR_SIZE
+	.equ	CPU_PWR_DWN_OPS, CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE
+	.equ	CPU_ERRATA_FUNC, CPU_PWR_DWN_OPS + CPU_PWR_DWN_OPS_SIZE
+	.equ	CPU_ERRATA_LOCK, CPU_ERRATA_FUNC + CPU_ERRATA_FUNC_SIZE
+	.equ	CPU_ERRATA_PRINTED, CPU_ERRATA_LOCK + CPU_ERRATA_LOCK_SIZE
+	.equ	CPU_OPS_SIZE, CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE
+
+	/*
+	 * Write given expressions as words
+	 *
+	 * _count:
+	 *	Write at least _count words. If the given number of expressions
+	 *	is less than _count, repeat the last expression to fill _count
+	 *	words in total
+	 * _rest:
+	 *	Optional list of expressions. _this is for parameter extraction
+	 *	only, and has no significance to the caller
+	 *
+	 * Invoked as:
+	 *	fill_constants 2, foo, bar, blah, ...
+	 */
+	.macro fill_constants _count:req, _this, _rest:vararg
+	  .ifgt \_count
+	    /* Write the current expression */
+	    .ifb \_this
+	      .error "Nothing to fill"
+	    .endif
+	    .word \_this
+
+	    /* Invoke recursively for remaining expressions */
+	    .ifnb \_rest
+	      fill_constants \_count-1, \_rest
+	    .else
+	      fill_constants \_count-1, \_this
+	    .endif
+	  .endif
+	.endm
+
+	/*
+	 * Declare CPU operations
+	 *
+	 * _name:
+	 *	Name of the CPU for which operations are being specified
+	 * _midr:
+	 *	Numeric value expected to read from CPU's MIDR
+	 * _resetfunc:
+	 *	Reset function for the CPU. If there's no CPU reset function,
+	 *	specify CPU_NO_RESET_FUNC
+	 * _power_down_ops:
+	 *	Comma-separated list of functions to perform power-down
+	 *	operatios on the CPU. At least one, and up to
+	 *	CPU_MAX_PWR_DWN_OPS number of functions may be specified.
+	 *	Starting at power level 0, these functions shall handle power
+	 *	down at subsequent power levels. If there aren't exactly
+	 *	CPU_MAX_PWR_DWN_OPS functions, the last specified one will be
+	 *	used to handle power down at subsequent levels
+	 */
+	.macro declare_cpu_ops _name:req, _midr:req, _resetfunc:req, \
+		_power_down_ops:vararg
+	.section cpu_ops, "a"
+	.align 2
+	.type cpu_ops_\_name, %object
+	.word \_midr
+#if defined(IMAGE_AT_EL3)
+	.word \_resetfunc
+#endif
+#ifdef IMAGE_BL32
+	/* Insert list of functions */
+	fill_constants CPU_MAX_PWR_DWN_OPS, \_power_down_ops
+#endif
+
+#if REPORT_ERRATA
+	.ifndef \_name\()_cpu_str
+	  /*
+	   * Place errata reported flag, and the spinlock to arbitrate access to
+	   * it in the data section.
+	   */
+	  .pushsection .data
+	  define_asm_spinlock \_name\()_errata_lock
+	  \_name\()_errata_reported:
+	  .word	0
+	  .popsection
+
+	  /* Place CPU string in rodata */
+	  .pushsection .rodata
+	  \_name\()_cpu_str:
+	  .asciz "\_name"
+	  .popsection
+	.endif
+
+	/*
+	 * Mandatory errata status printing function for CPUs of
+	 * this class.
+	 */
+	.word \_name\()_errata_report
+
+#ifdef IMAGE_BL32
+	/* Pointers to errata lock and reported flag */
+	.word \_name\()_errata_lock
+	.word \_name\()_errata_reported
+#endif
+#endif
+	.endm
+
+#if REPORT_ERRATA
+	/*
+	 * Print status of a CPU errata
+	 *
+	 * _chosen:
+	 *	Identifier indicating whether or not a CPU errata has been
+	 *	compiled in.
+	 * _cpu:
+	 *	Name of the CPU
+	 * _id:
+	 *	Errata identifier
+	 * _rev_var:
+	 *	Register containing the combined value CPU revision and variant
+	 *	- typically the return value of cpu_get_rev_var
+	 */
+	.macro report_errata _chosen, _cpu, _id, _rev_var=r4
+	/* Stash a string with errata ID */
+	.pushsection .rodata
+	\_cpu\()_errata_\_id\()_str:
+	.asciz	"\_id"
+	.popsection
+
+	/* Check whether errata applies */
+	mov	r0, \_rev_var
+	bl	check_errata_\_id
+
+	.ifeq \_chosen
+	/*
+	 * Errata workaround has not been compiled in. If the errata would have
+	 * applied had it been compiled in, print its status as missing.
+	 */
+	cmp	r0, #0
+	movne	r0, #ERRATA_MISSING
+	.endif
+	ldr	r1, =\_cpu\()_cpu_str
+	ldr	r2, =\_cpu\()_errata_\_id\()_str
+	bl	errata_print_msg
+	.endm
+#endif
+	/*
+	 * Helper macro that reads the part number of the current CPU and jumps
+	 * to the given label if it matches the CPU MIDR provided.
+	 *
+	 * Clobbers: r0-r1
+	 */
+	.macro  jump_if_cpu_midr _cpu_midr, _label
+	ldcopr	r0, MIDR
+	ubfx	r0, r0, #MIDR_PN_SHIFT, #12
+	ldr	r1, =((\_cpu_midr >> MIDR_PN_SHIFT) & MIDR_PN_MASK)
+	cmp	r0, r1
+	beq	\_label
+	.endm
+
+#endif /* CPU_MACROS_S */
diff --git a/include/lib/cpus/aarch64/a64fx.h b/include/lib/cpus/aarch64/a64fx.h
new file mode 100644
index 0000000..b7342b0
--- /dev/null
+++ b/include/lib/cpus/aarch64/a64fx.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2022, Fujitsu Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef A64FX_H
+#define A64FX_H
+
+#include <lib/utils_def.h>
+
+/* A64FX midr for revision 0 */
+#define A64FX_MIDR					U(0x461f0010)
+
+#endif /* A64FX_H */
diff --git a/include/lib/cpus/aarch64/aem_generic.h b/include/lib/cpus/aarch64/aem_generic.h
new file mode 100644
index 0000000..6bb30a2
--- /dev/null
+++ b/include/lib/cpus/aarch64/aem_generic.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef AEM_GENERIC_H
+#define AEM_GENERIC_H
+
+#include <lib/utils_def.h>
+
+/* BASE AEM midr for revision 0 */
+#define BASE_AEM_MIDR		U(0x410FD0F0)
+
+/* Foundation AEM midr for revision 0 */
+#define FOUNDATION_AEM_MIDR	U(0x410FD000)
+
+#endif /* AEM_GENERIC_H */
diff --git a/include/lib/cpus/aarch64/cortex_a35.h b/include/lib/cpus/aarch64/cortex_a35.h
new file mode 100644
index 0000000..5421478
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a35.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A35_H
+#define CORTEX_A35_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A35 Main ID register for revision 0 */
+#define CORTEX_A35_MIDR				U(0x410FD040)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ * CPUECTLR_EL1 is an implementation-specific register.
+ ******************************************************************************/
+#define CORTEX_A35_CPUECTLR_EL1			S3_1_C15_C2_1
+#define CORTEX_A35_CPUECTLR_SMPEN_BIT		(ULL(1) << 6)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A35_CPUACTLR_EL1			S3_1_C15_C2_0
+
+#define CORTEX_A35_CPUACTLR_EL1_ENDCCASCI	(ULL(1) << 44)
+
+#endif /* CORTEX_A35_H */
diff --git a/include/lib/cpus/aarch64/cortex_a510.h b/include/lib/cpus/aarch64/cortex_a510.h
new file mode 100644
index 0000000..6af85a8
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a510.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2022, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A510_H
+#define CORTEX_A510_H
+
+#define CORTEX_A510_MIDR					U(0x410FD460)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A510_CPUECTLR_EL1				S3_0_C15_C1_4
+#define CORTEX_A510_CPUECTLR_EL1_READPREFERUNIQUE_SHIFT		U(19)
+#define CORTEX_A510_CPUECTLR_EL1_READPREFERUNIQUE_DISABLE	U(1)
+#define CORTEX_A510_CPUECTLR_EL1_RSCTL_SHIFT			U(23)
+#define CORTEX_A510_CPUECTLR_EL1_NTCTL_SHIFT			U(46)
+#define CORTEX_A510_CPUECTLR_EL1_ATOM_EXECALLINSTRNEAR		U(2)
+#define CORTEX_A510_CPUECTLR_EL1_ATOM				U(38)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#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
+
+/*******************************************************************************
+ * Auxiliary control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A510_CPUACTLR_EL1				S3_0_C15_C1_0
+#define CORTEX_A510_CPUACTLR_EL1_BIT_17				(ULL(1) << 17)
+#define CORTEX_A510_CPUACTLR_EL1_BIT_38				(ULL(1) << 38)
+
+#endif /* CORTEX_A510_H */
\ No newline at end of file
diff --git a/include/lib/cpus/aarch64/cortex_a53.h b/include/lib/cpus/aarch64/cortex_a53.h
new file mode 100644
index 0000000..54e646c
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a53.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A53_H
+#define CORTEX_A53_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A53 midr for revision 0 */
+#define CORTEX_A53_MIDR			U(0x410FD030)
+
+/* Retention timer tick definitions */
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_ECTLR_EL1				S3_1_C15_C2_1
+
+#define CORTEX_A53_ECTLR_SMP_BIT			(ULL(1) << 6)
+
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT		U(0)
+#define CORTEX_A53_ECTLR_CPU_RET_CTRL_MASK		(ULL(0x7) << CORTEX_A53_ECTLR_CPU_RET_CTRL_SHIFT)
+
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT		U(3)
+#define CORTEX_A53_ECTLR_FPU_RET_CTRL_MASK		(ULL(0x7) << CORTEX_A53_ECTLR_FPU_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_MERRSR_EL1				S3_1_C15_C2_2
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_CPUACTLR_EL1				S3_1_C15_C2_0
+
+#define CORTEX_A53_CPUACTLR_EL1_ENDCCASCI_SHIFT		U(44)
+#define CORTEX_A53_CPUACTLR_EL1_ENDCCASCI		(ULL(1) << CORTEX_A53_CPUACTLR_EL1_ENDCCASCI_SHIFT)
+#define CORTEX_A53_CPUACTLR_EL1_RADIS_SHIFT		U(27)
+#define CORTEX_A53_CPUACTLR_EL1_RADIS			(ULL(3) << CORTEX_A53_CPUACTLR_EL1_RADIS_SHIFT)
+#define CORTEX_A53_CPUACTLR_EL1_L1RADIS_SHIFT		U(25)
+#define CORTEX_A53_CPUACTLR_EL1_L1RADIS			(ULL(3) << CORTEX_A53_CPUACTLR_EL1_L1RADIS_SHIFT)
+#define CORTEX_A53_CPUACTLR_EL1_DTAH_SHIFT		U(24)
+#define CORTEX_A53_CPUACTLR_EL1_DTAH			(ULL(1) << CORTEX_A53_CPUACTLR_EL1_DTAH_SHIFT)
+#define CORTEX_A53_CPUACTLR_EL1_L1PCTL_SHIFT		U(13)
+#define CORTEX_A53_CPUACTLR_EL1_L1PCTL			(ULL(7) << CORTEX_A53_CPUACTLR_EL1_L1PCTL_SHIFT)
+
+/*******************************************************************************
+ * L2 Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2ACTLR_EL1				S3_1_C15_C0_0
+
+#define CORTEX_A53_L2ACTLR_ENABLE_UNIQUECLEAN		(U(1) << 14)
+#define CORTEX_A53_L2ACTLR_DISABLE_CLEAN_PUSH		(U(1) << 3)
+/*******************************************************************************
+ * L2 Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2ECTLR_EL1				S3_1_C11_C0_3
+
+#define CORTEX_A53_L2ECTLR_RET_CTRL_SHIFT		U(0)
+#define CORTEX_A53_L2ECTLR_RET_CTRL_MASK		(U(0x7) << L2ECTLR_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A53_L2MERRSR_EL1				S3_1_C15_C2_3
+
+/*******************************************************************************
+ * Helper function to access a53_cpuectlr_el1 register on Cortex-A53 CPUs
+ ******************************************************************************/
+#ifndef __ASSEMBLER__
+DEFINE_RENAME_SYSREG_RW_FUNCS(a53_cpuectlr_el1, CORTEX_A53_ECTLR_EL1)
+#endif /* __ASSEMBLER__ */
+
+#endif /* CORTEX_A53_H */
diff --git a/include/lib/cpus/aarch64/cortex_a55.h b/include/lib/cpus/aarch64/cortex_a55.h
new file mode 100644
index 0000000..60ed957
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a55.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A55_H
+#define CORTEX_A55_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A55 MIDR for revision 0 */
+#define CORTEX_A55_MIDR			U(0x410fd050)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A55_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+#define CORTEX_A55_CPUECTLR_EL1		S3_0_C15_C1_4
+
+#define CORTEX_A55_CPUECTLR_EL1_L1WSCTL	(ULL(3) << 25)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A55_CPUACTLR_EL1				S3_0_C15_C1_0
+
+#define CORTEX_A55_CPUACTLR_EL1_DISABLE_WRITE_STREAMING	(ULL(1) << 24)
+#define CORTEX_A55_CPUACTLR_EL1_DISABLE_DUAL_ISSUE	(ULL(1) << 31)
+#define CORTEX_A55_CPUACTLR_EL1_DISABLE_L1_PAGEWALKS	(ULL(1) << 49)
+
+/*******************************************************************************
+ * CPU Identification register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A55_CLIDR_EL1				S3_1_C0_C0_1
+
+#define CORTEX_A55_CLIDR_EL1_CTYPE3			(ULL(7) << 6)
+
+/* Definitions of register field mask in CORTEX_A55_CPUPWRCTLR_EL1 */
+#define CORTEX_A55_CORE_PWRDN_EN_MASK	U(0x1)
+
+/* Instruction patching registers */
+#define CPUPSELR_EL3	S3_6_C15_C8_0
+#define CPUPCR_EL3	S3_6_C15_C8_1
+#define CPUPOR_EL3	S3_6_C15_C8_2
+#define CPUPMR_EL3	S3_6_C15_C8_3
+
+#endif /* CORTEX_A55_H */
diff --git a/include/lib/cpus/aarch64/cortex_a57.h b/include/lib/cpus/aarch64/cortex_a57.h
new file mode 100644
index 0000000..dc40e31
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a57.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A57_H
+#define CORTEX_A57_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A57 midr for revision 0 */
+#define CORTEX_A57_MIDR			U(0x410FD070)
+
+/* Retention timer tick definitions */
+#define RETENTION_ENTRY_TICKS_2		U(0x1)
+#define RETENTION_ENTRY_TICKS_8		U(0x2)
+#define RETENTION_ENTRY_TICKS_32	U(0x3)
+#define RETENTION_ENTRY_TICKS_64	U(0x4)
+#define RETENTION_ENTRY_TICKS_128	U(0x5)
+#define RETENTION_ENTRY_TICKS_256	U(0x6)
+#define RETENTION_ENTRY_TICKS_512	U(0x7)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_ECTLR_EL1			S3_1_C15_C2_1
+
+#define CORTEX_A57_ECTLR_SMP_BIT		(ULL(1) << 6)
+#define CORTEX_A57_ECTLR_DIS_TWD_ACC_PFTCH_BIT	(ULL(1) << 38)
+#define CORTEX_A57_ECTLR_L2_IPFTCH_DIST_MASK	(ULL(0x3) << 35)
+#define CORTEX_A57_ECTLR_L2_DPFTCH_DIST_MASK	(ULL(0x3) << 32)
+
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_ECTLR_CPU_RET_CTRL_MASK	(ULL(0x7) << CORTEX_A57_ECTLR_CPU_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_MERRSR_EL1			S3_1_C15_C2_2
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_CPUACTLR_EL1				S3_1_C15_C2_0
+
+#define CORTEX_A57_CPUACTLR_EL1_DIS_LOAD_PASS_DMB	(ULL(1) << 59)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_DMB_NULLIFICATION	(ULL(1) << 58)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_LOAD_PASS_STORE	(ULL(1) << 55)
+#define CORTEX_A57_CPUACTLR_EL1_GRE_NGRE_AS_NGNRE	(ULL(1) << 54)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_OVERREAD		(ULL(1) << 52)
+#define CORTEX_A57_CPUACTLR_EL1_NO_ALLOC_WBWA		(ULL(1) << 49)
+#define CORTEX_A57_CPUACTLR_EL1_DCC_AS_DCCI		(ULL(1) << 44)
+#define CORTEX_A57_CPUACTLR_EL1_FORCE_FPSCR_FLUSH	(ULL(1) << 38)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_INSTR_PREFETCH	(ULL(1) << 32)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_STREAMING		(ULL(3) << 27)
+#define CORTEX_A57_CPUACTLR_EL1_EN_NC_LOAD_FWD		(ULL(1) << 24)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_L1_STREAMING	(ULL(3) << 25)
+#define CORTEX_A57_CPUACTLR_EL1_DIS_INDIRECT_PREDICTOR	(ULL(1) << 4)
+
+/*******************************************************************************
+ * L2 Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2CTLR_EL1				S3_1_C11_C0_2
+
+#define CORTEX_A57_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
+#define CORTEX_A57_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
+
+#define CORTEX_A57_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
+#define CORTEX_A57_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
+
+#define CORTEX_A57_L2_ECC_PARITY_PROTECTION_BIT		(U(1) << 21)
+
+/*******************************************************************************
+ * L2 Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2ECTLR_EL1			S3_1_C11_C0_3
+
+#define CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT	U(0)
+#define CORTEX_A57_L2ECTLR_RET_CTRL_MASK	(U(0x7) << CORTEX_A57_L2ECTLR_RET_CTRL_SHIFT)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A57_L2MERRSR_EL1			S3_1_C15_C2_3
+
+#endif /* CORTEX_A57_H */
diff --git a/include/lib/cpus/aarch64/cortex_a65.h b/include/lib/cpus/aarch64/cortex_a65.h
new file mode 100644
index 0000000..0df34c9
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a65.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A65_H
+#define CORTEX_A65_H
+
+#include <lib/utils_def.h>
+
+#define CORTEX_A65_MIDR			U(0x410FD060)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A65_ECTLR_EL1		S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A65_CPUACTLR_EL1		S3_0_C15_C1_0
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+
+#define CORTEX_A65_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+#define CORTEX_A65_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	(U(1) << 0)
+
+#endif /* CORTEX_A65_H */
diff --git a/include/lib/cpus/aarch64/cortex_a65ae.h b/include/lib/cpus/aarch64/cortex_a65ae.h
new file mode 100644
index 0000000..bd4a881
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a65ae.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A65AE_H
+#define CORTEX_A65AE_H
+
+#include <lib/utils_def.h>
+
+#define CORTEX_A65AE_MIDR			U(0x410FD430)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A65AE_ECTLR_EL1		S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A65AE_CPUACTLR_EL1	S3_0_C15_C1_0
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+
+#define CORTEX_A65AE_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+#define CORTEX_A65AE_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	(U(1) << 0)
+
+#endif /* CORTEX_A65AE_H */
diff --git a/include/lib/cpus/aarch64/cortex_a710.h b/include/lib/cpus/aarch64/cortex_a710.h
new file mode 100644
index 0000000..432e17a
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a710.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A710_H
+#define CORTEX_A710_H
+
+#define CORTEX_A710_MIDR					U(0x410FD470)
+
+/* Cortex-A710 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A710_BHB_LOOP_COUNT				U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A710_CPUECTLR_EL1				S3_0_C15_C1_4
+#define CORTEX_A710_CPUECTLR_EL1_PFSTIDIS_BIT			(ULL(1) << 8)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A710_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_A710_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUACTLR_EL1 				S3_0_C15_C1_0
+#define CORTEX_A710_CPUACTLR_EL1_BIT_46				(ULL(1) << 46)
+#define CORTEX_A710_CPUACTLR_EL1_BIT_22				(ULL(1) << 22)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUACTLR2_EL1				S3_0_C15_C1_1
+#define CORTEX_A710_CPUACTLR2_EL1_BIT_40			(ULL(1) << 40)
+#define CORTEX_A710_CPUACTLR2_EL1_BIT_36			(ULL(1) << 36)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 5 specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUACTLR5_EL1				S3_0_C15_C8_0
+#define CORTEX_A710_CPUACTLR5_EL1_BIT_13			(ULL(1) << 13)
+#define CORTEX_A710_CPUACTLR5_EL1_BIT_17			(ULL(1) << 17)
+#define CORTEX_A710_CPUACTLR5_EL1_BIT_44			(ULL(1) << 44)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUECTLR2_EL1				S3_0_C15_C1_5
+#define CORTEX_A710_CPUECTLR2_EL1_PF_MODE_CNSRV			ULL(9)
+#define CPUECTLR2_EL1_PF_MODE_LSB				U(11)
+#define CPUECTLR2_EL1_PF_MODE_WIDTH				U(4)
+
+/*******************************************************************************
+ * CPU Selected Instruction Private register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A710_CPUPSELR_EL3				S3_6_C15_C8_0
+#define CORTEX_A710_CPUPCR_EL3					S3_6_C15_C8_1
+#define CORTEX_A710_CPUPOR_EL3					S3_6_C15_C8_2
+#define CORTEX_A710_CPUPMR_EL3					S3_6_C15_C8_3
+
+#endif /* CORTEX_A710_H */
diff --git a/include/lib/cpus/aarch64/cortex_a72.h b/include/lib/cpus/aarch64/cortex_a72.h
new file mode 100644
index 0000000..1777645
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a72.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A72_H
+#define CORTEX_A72_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A72 midr for revision 0 */
+#define CORTEX_A72_MIDR 				U(0x410FD080)
+
+/* Cortex-A72 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A72_BHB_LOOP_COUNT			U(8)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_ECTLR_EL1				S3_1_C15_C2_1
+
+#define CORTEX_A72_ECTLR_SMP_BIT			(ULL(1) << 6)
+#define CORTEX_A72_ECTLR_DIS_TWD_ACC_PFTCH_BIT		(ULL(1) << 38)
+#define CORTEX_A72_ECTLR_L2_IPFTCH_DIST_MASK		(ULL(0x3) << 35)
+#define CORTEX_A72_ECTLR_L2_DPFTCH_DIST_MASK		(ULL(0x3) << 32)
+
+/*******************************************************************************
+ * CPU Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_MERRSR_EL1				S3_1_C15_C2_2
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_CPUACTLR_EL1					S3_1_C15_C2_0
+
+#define CORTEX_A72_CPUACTLR_EL1_DISABLE_L1_DCACHE_HW_PFTCH	(ULL(1) << 56)
+#define CORTEX_A72_CPUACTLR_EL1_DIS_LOAD_PASS_STORE		(ULL(1) << 55)
+#define CORTEX_A72_CPUACTLR_EL1_NO_ALLOC_WBWA			(ULL(1) << 49)
+#define CORTEX_A72_CPUACTLR_EL1_DCC_AS_DCCI			(ULL(1) << 44)
+#define CORTEX_A72_CPUACTLR_EL1_DIS_INSTR_PREFETCH		(ULL(1) << 32)
+
+/*******************************************************************************
+ *  L2 Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_L2ACTLR_EL1					S3_1_C15_C0_0
+
+#define CORTEX_A72_L2ACTLR_FORCE_TAG_BANK_CLK_ACTIVE		(ULL(1) << 28)
+#define CORTEX_A72_L2ACTLR_FORCE_L2_LOGIC_CLK_ACTIVE		(ULL(1) << 27)
+#define CORTEX_A72_L2ACTLR_FORCE_L2_GIC_TIMER_RCG_CLK_ACTIVE	(ULL(1) << 26)
+#define CORTEX_A72_L2ACTLR_ENABLE_UNIQUE_CLEAN			(ULL(1) << 14)
+#define CORTEX_A72_L2ACTLR_DISABLE_DSB_WITH_NO_DVM_SYNC		(ULL(1) << 11)
+#define CORTEX_A72_L2ACTLR_DISABLE_DVM_CMO_BROADCAST		(ULL(1) << 8)
+#define CORTEX_A72_L2ACTLR_ENABLE_HAZARD_DETECT_TIMEOUT		(ULL(1) << 7)
+#define CORTEX_A72_L2ACTLR_DISABLE_ACE_SH_OR_CHI		(ULL(1) << 6)
+
+/*******************************************************************************
+ * L2 Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_L2CTLR_EL1				S3_1_C11_C0_2
+
+#define CORTEX_A72_L2CTLR_DATA_RAM_LATENCY_SHIFT	U(0)
+#define CORTEX_A72_L2CTLR_DATA_RAM_SETUP_SHIFT		U(5)
+#define CORTEX_A72_L2CTLR_TAG_RAM_LATENCY_SHIFT		U(6)
+#define CORTEX_A72_L2CTLR_TAG_RAM_SETUP_SHIFT		U(9)
+
+#define CORTEX_A72_L2_DATA_RAM_LATENCY_MASK		U(0x7)
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_MASK		U(0x7)
+#define CORTEX_A72_L2_DATA_RAM_LATENCY_3_CYCLES		U(0x2)
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_2_CYCLES		U(0x1)
+#define CORTEX_A72_L2_TAG_RAM_LATENCY_3_CYCLES		U(0x2)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A72_L2MERRSR_EL1				S3_1_C15_C2_3
+
+#endif /* CORTEX_A72_H */
diff --git a/include/lib/cpus/aarch64/cortex_a73.h b/include/lib/cpus/aarch64/cortex_a73.h
new file mode 100644
index 0000000..271a333
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a73.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A73_H
+#define CORTEX_A73_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A73 midr for revision 0 */
+#define CORTEX_A73_MIDR			U(0x410FD090)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A73_CPUECTLR_EL1		S3_1_C15_C2_1	/* Instruction def. */
+
+#define CORTEX_A73_CPUECTLR_SMP_BIT	(ULL(1) << 6)
+
+/*******************************************************************************
+ * L2 Memory Error Syndrome register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A73_L2MERRSR_EL1		S3_1_C15_C2_3   /* Instruction def. */
+
+/*******************************************************************************
+ * CPU implementation defined register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A73_IMP_DEF_REG1		S3_0_C15_C0_0
+
+#define CORTEX_A73_IMP_DEF_REG1_DISABLE_LOAD_PASS_STORE	(ULL(1) << 3)
+
+#define CORTEX_A73_DIAGNOSTIC_REGISTER	S3_0_C15_C0_1
+
+#define CORTEX_A73_IMP_DEF_REG2		S3_0_C15_C0_2
+
+/*******************************************************************************
+ * Helper function to access a73_cpuectlr_el1 register on Cortex-A73 CPUs
+ ******************************************************************************/
+#ifndef __ASSEMBLER__
+DEFINE_RENAME_SYSREG_RW_FUNCS(a73_cpuectlr_el1, CORTEX_A73_CPUECTLR_EL1)
+#endif /* __ASSEMBLER__ */
+
+#endif /* CORTEX_A73_H */
diff --git a/include/lib/cpus/aarch64/cortex_a75.h b/include/lib/cpus/aarch64/cortex_a75.h
new file mode 100644
index 0000000..e5ca1ba
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a75.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A75_H
+#define CORTEX_A75_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A75 MIDR */
+#define CORTEX_A75_MIDR		U(0x410fd0a0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A75_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+#define CORTEX_A75_CPUECTLR_EL1		S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A75_CPUACTLR_EL1		S3_0_C15_C1_0
+
+#define CORTEX_A75_CPUACTLR_EL1_DISABLE_LOAD_PASS_STORE	(ULL(1) << 35)
+
+/* Definitions of register field mask in CORTEX_A75_CPUPWRCTLR_EL1 */
+#define CORTEX_A75_CORE_PWRDN_EN_MASK	U(0x1)
+
+#define CORTEX_A75_ACTLR_AMEN_BIT	(ULL(1) << 4)
+
+/*
+ * The Cortex-A75 core implements five counters, 0-4. Events 0, 1, 2, are
+ * fixed and are enabled (Group 0). Events 3 and 4 (Group 1) are
+ * programmable by programming the appropriate Event count bits in
+ * CPUAMEVTYPER<n> register and are disabled by default. Platforms may
+ * enable this with suitable programming.
+ */
+#define CORTEX_A75_AMU_NR_COUNTERS	U(5)
+#define CORTEX_A75_AMU_GROUP0_MASK	U(0x7)
+#define CORTEX_A75_AMU_GROUP1_MASK	(U(0) << 3)
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+
+uint64_t cortex_a75_amu_cnt_read(int idx);
+void cortex_a75_amu_cnt_write(int idx, uint64_t val);
+unsigned int cortex_a75_amu_read_cpuamcntenset_el0(void);
+unsigned int cortex_a75_amu_read_cpuamcntenclr_el0(void);
+void cortex_a75_amu_write_cpuamcntenset_el0(unsigned int mask);
+void cortex_a75_amu_write_cpuamcntenclr_el0(unsigned int mask);
+#endif /* __ASSEMBLER__ */
+
+#endif /* CORTEX_A75_H */
diff --git a/include/lib/cpus/aarch64/cortex_a76.h b/include/lib/cpus/aarch64/cortex_a76.h
new file mode 100644
index 0000000..74fb6e9
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a76.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A76_H
+#define CORTEX_A76_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A76 MIDR for revision 0 */
+#define CORTEX_A76_MIDR						U(0x410fd0b0)
+
+/* Cortex-A76 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A76_BHB_LOOP_COUNT				U(24)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A76_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_A76_CPUECTLR_EL1					S3_0_C15_C1_4
+
+#define CORTEX_A76_CPUECTLR_EL1_WS_THR_L2			(ULL(3) << 24)
+#define CORTEX_A76_CPUECTLR_EL1_BIT_51				(ULL(1) << 51)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A76_CPUACTLR_EL1					S3_0_C15_C1_0
+
+#define CORTEX_A76_CPUACTLR_EL1_DISABLE_STATIC_PREDICTION	(ULL(1) << 6)
+
+#define CORTEX_A76_CPUACTLR_EL1_BIT_13				(ULL(1) << 13)
+
+#define CORTEX_A76_CPUACTLR2_EL1				S3_0_C15_C1_1
+
+#define CORTEX_A76_CPUACTLR2_EL1_BIT_2				(ULL(1) << 2)
+
+#define CORTEX_A76_CPUACTLR2_EL1_DISABLE_LOAD_PASS_STORE	(ULL(1) << 16)
+
+#define CORTEX_A76_CPUACTLR3_EL1				S3_0_C15_C1_2
+
+#define CORTEX_A76_CPUACTLR3_EL1_BIT_10				(ULL(1) << 10)
+
+
+/* Definitions of register field mask in CORTEX_A76_CPUPWRCTLR_EL1 */
+#define CORTEX_A76_CORE_PWRDN_EN_MASK				U(0x1)
+
+#endif /* CORTEX_A76_H */
diff --git a/include/lib/cpus/aarch64/cortex_a76ae.h b/include/lib/cpus/aarch64/cortex_a76ae.h
new file mode 100644
index 0000000..0d30f70
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a76ae.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2019-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A76AE_H
+#define CORTEX_A76AE_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A76AE MIDR for revision 0 */
+#define CORTEX_A76AE_MIDR		U(0x410FD0E0)
+
+/* Cortex-A76 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A76AE_BHB_LOOP_COUNT	U(24)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A76AE_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+
+/* Definitions of register field mask in CORTEX_A76AE_CPUPWRCTLR_EL1 */
+#define CORTEX_A76AE_CORE_PWRDN_EN_MASK	U(0x1)
+
+#define CORTEX_A76AE_CPUECTLR_EL1	S3_0_C15_C1_4
+
+#endif /* CORTEX_A76AE_H */
diff --git a/include/lib/cpus/aarch64/cortex_a77.h b/include/lib/cpus/aarch64/cortex_a77.h
new file mode 100644
index 0000000..a9b4546
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a77.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A77_H
+#define CORTEX_A77_H
+
+#include <lib/utils_def.h>
+
+/* Cortex-A77 MIDR */
+#define CORTEX_A77_MIDR					U(0x410FD0D0)
+
+/* Cortex-A77 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A77_BHB_LOOP_COUNT			U(24)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A77_CPUECTLR_EL1				S3_0_C15_C1_4
+#define CORTEX_A77_CPUECTLR_EL1_BIT_8			(ULL(1) << 8)
+#define CORTEX_A77_CPUECTLR_EL1_BIT_53			(ULL(1) << 53)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A77_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_A77_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	(U(1) << 0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A77_ACTLR2_EL1				S3_0_C15_C1_1
+#define CORTEX_A77_ACTLR2_EL1_BIT_2			(ULL(1) << 2)
+#define CORTEX_A77_ACTLR2_EL1_BIT_0			ULL(1)
+
+#define CORTEX_A77_CPUPSELR_EL3				S3_6_C15_C8_0
+#define CORTEX_A77_CPUPCR_EL3				S3_6_C15_C8_1
+#define CORTEX_A77_CPUPOR_EL3				S3_6_C15_C8_2
+#define CORTEX_A77_CPUPMR_EL3				S3_6_C15_C8_3
+#define CORTEX_A77_CPUPOR2_EL3				S3_6_C15_C8_4
+#define CORTEX_A77_CPUPMR2_EL3				S3_6_C15_C8_5
+
+#endif /* CORTEX_A77_H */
diff --git a/include/lib/cpus/aarch64/cortex_a78.h b/include/lib/cpus/aarch64/cortex_a78.h
new file mode 100644
index 0000000..31da99e
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a78.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2019-2022, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A78_H
+#define CORTEX_A78_H
+
+#include <lib/utils_def.h>
+
+#define CORTEX_A78_MIDR					U(0x410FD410)
+
+/* Cortex-A78 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A78_BHB_LOOP_COUNT			U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A78_CPUECTLR_EL1				S3_0_C15_C1_4
+#define CORTEX_A78_CPUECTLR_EL1_BIT_8			(ULL(1) << 8)
+#define CORTEX_A78_CPUECTLR_EL1_PF_MODE_CNSRV		ULL(3)
+#define CPUECTLR_EL1_PF_MODE_LSB				U(6)
+#define CPUECTLR_EL1_PF_MODE_WIDTH				U(2)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A78_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_A78_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT	U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A78_ACTLR_TAM_BIT			(ULL(1) << 30)
+
+#define CORTEX_A78_ACTLR2_EL1				S3_0_C15_C1_1
+#define CORTEX_A78_ACTLR2_EL1_BIT_0			(ULL(1) << 0)
+#define CORTEX_A78_ACTLR2_EL1_BIT_1			(ULL(1) << 1)
+#define CORTEX_A78_ACTLR2_EL1_BIT_2			(ULL(1) << 2)
+#define CORTEX_A78_ACTLR2_EL1_BIT_40			(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Activity Monitor Unit register specific definitions.
+ ******************************************************************************/
+#define CPUAMCNTENCLR0_EL0				S3_3_C15_C2_4
+#define CPUAMCNTENSET0_EL0				S3_3_C15_C2_5
+#define CPUAMCNTENCLR1_EL0				S3_3_C15_C3_0
+#define CPUAMCNTENSET1_EL0				S3_3_C15_C3_1
+
+#define CORTEX_A78_AMU_GROUP0_MASK			U(0xF)
+#define CORTEX_A78_AMU_GROUP1_MASK			U(0x7)
+
+#endif /* CORTEX_A78_H */
diff --git a/include/lib/cpus/aarch64/cortex_a78_ae.h b/include/lib/cpus/aarch64/cortex_a78_ae.h
new file mode 100644
index 0000000..b68ec1e
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a78_ae.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2019-2022, ARM Limited. All rights reserved.
+ * Copyright (c) 2021-2022, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A78_AE_H
+#define CORTEX_A78_AE_H
+
+#include <cortex_a78.h>
+
+#define CORTEX_A78_AE_MIDR 				U(0x410FD420)
+
+/* Cortex-A78AE loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A78_AE_BHB_LOOP_COUNT			U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A78_AE_CPUECTLR_EL1			CORTEX_A78_CPUECTLR_EL1
+#define CORTEX_A78_AE_CPUECTLR_EL1_BIT_8		CORTEX_A78_CPUECTLR_EL1_BIT_8
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ ******************************************************************************/
+#define CORTEX_A78_AE_ACTLR2_EL1			CORTEX_A78_ACTLR2_EL1
+#define CORTEX_A78_AE_ACTLR2_EL1_BIT_0			CORTEX_A78_ACTLR2_EL1_BIT_0
+#define CORTEX_A78_AE_ACTLR2_EL1_BIT_40			CORTEX_A78_ACTLR2_EL1_BIT_40
+
+#endif /* CORTEX_A78_AE_H */
diff --git a/include/lib/cpus/aarch64/cortex_a78c.h b/include/lib/cpus/aarch64/cortex_a78c.h
new file mode 100644
index 0000000..35e543c
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_a78c.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_A78C_H
+#define CORTEX_A78C_H
+
+
+#define CORTEX_A78C_MIDR			        U(0x410FD4B1)
+
+/* Cortex-A76 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_A78C_BHB_LOOP_COUNT			U(32)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ * ****************************************************************************/
+#define CORTEX_A78C_CPUACTLR2_EL1			S3_0_C15_C1_1
+#define CORTEX_A78C_CPUACTLR2_EL1_BIT_0			(ULL(1) << 0)
+#define CORTEX_A78C_CPUACTLR2_EL1_BIT_40 		(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_A78C_CPUECTLR_EL1		        S3_0_C15_C1_4
+#define CORTEX_A78C_CPUECTLR_EL1_BIT_6		        (ULL(1) << 6)
+#define CORTEX_A78C_CPUECTLR_EL1_BIT_7		        (ULL(1) << 7)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_A78C_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_A78C_CPUPWRCTLR_EL1_CORE_PWRDN_EN_BIT	U(1)
+
+/*******************************************************************************
+ * CPU Implementation Specific Selected Instruction registers
+ ******************************************************************************/
+#define CORTEX_A78C_IMP_CPUPSELR_EL3			S3_6_C15_C8_0
+#define CORTEX_A78C_IMP_CPUPCR_EL3			S3_6_C15_C8_1
+#define CORTEX_A78C_IMP_CPUPOR_EL3			S3_6_C15_C8_2
+#define CORTEX_A78C_IMP_CPUPMR_EL3			S3_6_C15_C8_3
+
+#endif /* CORTEX_A78C_H */
diff --git a/include/lib/cpus/aarch64/cortex_hayes.h b/include/lib/cpus/aarch64/cortex_hayes.h
new file mode 100644
index 0000000..82022e9
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_hayes.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_HAYES_H
+#define CORTEX_HAYES_H
+
+#define CORTEX_HAYES_MIDR					U(0x410FD800)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HAYES_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HAYES_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_HAYES_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_HAYES_H */
diff --git a/include/lib/cpus/aarch64/cortex_hunter.h b/include/lib/cpus/aarch64/cortex_hunter.h
new file mode 100644
index 0000000..24bd217
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_hunter.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_HUNTER_H
+#define CORTEX_HUNTER_H
+
+#define CORTEX_HUNTER_MIDR					U(0x410FD810)
+
+/* Cortex Hunter loop count for CVE-2022-23960 mitigation */
+#define CORTEX_HUNTER_BHB_LOOP_COUNT				U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_HUNTER_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_HUNTER_H */
diff --git a/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h b/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
new file mode 100644
index 0000000..f9bb0f3
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_hunter_elp_arm.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_HUNTER_ELP_ARM_H
+#define CORTEX_HUNTER_ELP_ARM_H
+
+#define CORTEX_HUNTER_ELP_ARM_MIDR					U(0x410FD821)
+
+/* Cortex Hunter ELP loop count for CVE-2022-23960 mitigation */
+#define CORTEX_HUNTER_ELP_ARM_BHB_LOOP_COUNT				U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_ELP_ARM_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_HUNTER_ELP_ARM_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_HUNTER_ELP_ARM_H */
diff --git a/include/lib/cpus/aarch64/cortex_makalu.h b/include/lib/cpus/aarch64/cortex_makalu.h
new file mode 100644
index 0000000..ee59657
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_makalu.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_MAKALU_H
+#define CORTEX_MAKALU_H
+
+#define CORTEX_MAKALU_MIDR					U(0x410FD4D0)
+
+/* Cortex Makalu loop count for CVE-2022-23960 mitigation */
+#define CORTEX_MAKALU_BHB_LOOP_COUNT				U(38)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_MAKALU_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_MAKALU_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_MAKALU_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* CORTEX_MAKALU_H */
diff --git a/include/lib/cpus/aarch64/cortex_x1.h b/include/lib/cpus/aarch64/cortex_x1.h
new file mode 100644
index 0000000..e3661a8
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_x1.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2022, Google LLC. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_X1_H
+#define CORTEX_X1_H
+
+/* Cortex-X1 MIDR for r1p0 */
+#define CORTEX_X1_MIDR			U(0x411fd440)
+
+/* Cortex-X1 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_X1_BHB_LOOP_COUNT	U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_X1_CPUECTLR_EL1		S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define CORTEX_X1_ACTLR2_EL1		S3_0_C15_C1_1
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X1_CPUPWRCTLR_EL1	S3_0_C15_C2_7
+#define CORTEX_X1_CORE_PWRDN_EN_MASK	U(0x1)
+
+#endif /* CORTEX_X1_H */
diff --git a/include/lib/cpus/aarch64/cortex_x2.h b/include/lib/cpus/aarch64/cortex_x2.h
new file mode 100644
index 0000000..863b8c8
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_x2.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_X2_H
+#define CORTEX_X2_H
+
+#define CORTEX_X2_MIDR						U(0x410FD480)
+
+/* Cortex-X2 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_X2_BHB_LOOP_COUNT       				U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUECTLR_EL1					S3_0_C15_C1_4
+#define CORTEX_X2_CPUECTLR_EL1_PFSTIDIS_BIT			(ULL(1) << 8)
+
+/*******************************************************************************
+ * CPU Extended Control register 2 specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUECTLR2_EL1					S3_0_C15_C1_5
+
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_SHIFT			U(11)
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_WIDTH			U(4)
+#define CORTEX_X2_CPUECTLR2_EL1_PF_MODE_CNSRV			ULL(0x9)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define CORTEX_X2_CPUPWRCTLR_EL1_CORE_PWRDN_BIT			U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR_EL1					S3_0_C15_C1_0
+#define CORTEX_X2_CPUACTLR_EL1_BIT_22				(ULL(1) << 22)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register 2 definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR2_EL1					S3_0_C15_C1_1
+#define CORTEX_X2_CPUACTLR2_EL1_BIT_40				(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Auxiliary Control Register 5 definitions
+ ******************************************************************************/
+#define CORTEX_X2_CPUACTLR5_EL1					S3_0_C15_C8_0
+#define CORTEX_X2_CPUACTLR5_EL1_BIT_17				(ULL(1) << 17)
+
+/*******************************************************************************
+ * CPU Implementation Specific Selected Instruction registers
+ ******************************************************************************/
+#define CORTEX_X2_IMP_CPUPSELR_EL3				S3_6_C15_C8_0
+#define CORTEX_X2_IMP_CPUPCR_EL3				S3_6_C15_C8_1
+#define CORTEX_X2_IMP_CPUPOR_EL3				S3_6_C15_C8_2
+#define CORTEX_X2_IMP_CPUPMR_EL3				S3_6_C15_C8_3
+
+#endif /* CORTEX_X2_H */
diff --git a/include/lib/cpus/aarch64/cortex_x3.h b/include/lib/cpus/aarch64/cortex_x3.h
new file mode 100644
index 0000000..076a87b
--- /dev/null
+++ b/include/lib/cpus/aarch64/cortex_x3.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CORTEX_X3_H
+#define CORTEX_X3_H
+
+#define CORTEX_X3_MIDR				U(0x410FD4E0)
+
+/* Cortex-X3 loop count for CVE-2022-23960 mitigation */
+#define CORTEX_X3_BHB_LOOP_COUNT			U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X3_CPUECTLR_EL1			S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define CORTEX_X3_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define CORTEX_X3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ ******************************************************************************/
+#define CORTEX_X3_CPUACTLR2_EL1			S3_0_C15_C1_1
+#define CORTEX_X3_CPUACTLR2_EL1_BIT_36		(ULL(1) << 36)
+
+#endif /* CORTEX_X3_H */
diff --git a/include/lib/cpus/aarch64/cpu_macros.S b/include/lib/cpus/aarch64/cpu_macros.S
new file mode 100644
index 0000000..92e65ae
--- /dev/null
+++ b/include/lib/cpus/aarch64/cpu_macros.S
@@ -0,0 +1,314 @@
+/*
+ * Copyright (c) 2014-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef CPU_MACROS_S
+#define CPU_MACROS_S
+
+#include <arch.h>
+#include <assert_macros.S>
+#include <lib/cpus/errata_report.h>
+
+#define CPU_IMPL_PN_MASK	(MIDR_IMPL_MASK << MIDR_IMPL_SHIFT) | \
+				(MIDR_PN_MASK << MIDR_PN_SHIFT)
+
+/* The number of CPU operations allowed */
+#define CPU_MAX_PWR_DWN_OPS		2
+
+/* Special constant to specify that CPU has no reset function */
+#define CPU_NO_RESET_FUNC		0
+
+#define CPU_NO_EXTRA1_FUNC		0
+#define CPU_NO_EXTRA2_FUNC		0
+#define CPU_NO_EXTRA3_FUNC		0
+
+/* Word size for 64-bit CPUs */
+#define CPU_WORD_SIZE			8
+
+/*
+ * Whether errata status needs reporting. Errata status is printed in debug
+ * builds for both BL1 and BL31 images.
+ */
+#if (defined(IMAGE_BL1) || defined(IMAGE_BL31)) && DEBUG
+# define REPORT_ERRATA	1
+#else
+# define REPORT_ERRATA	0
+#endif
+
+
+	.equ	CPU_MIDR_SIZE, CPU_WORD_SIZE
+	.equ	CPU_EXTRA1_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_EXTRA2_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_EXTRA3_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_E_HANDLER_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_RESET_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_PWR_DWN_OPS_SIZE, CPU_WORD_SIZE * CPU_MAX_PWR_DWN_OPS
+	.equ	CPU_ERRATA_FUNC_SIZE, CPU_WORD_SIZE
+	.equ	CPU_ERRATA_LOCK_SIZE, CPU_WORD_SIZE
+	.equ	CPU_ERRATA_PRINTED_SIZE, CPU_WORD_SIZE
+	.equ	CPU_REG_DUMP_SIZE, CPU_WORD_SIZE
+
+#ifndef IMAGE_AT_EL3
+	.equ	CPU_RESET_FUNC_SIZE, 0
+#endif
+
+/* The power down core and cluster is needed only in BL31 */
+#ifndef IMAGE_BL31
+	.equ	CPU_PWR_DWN_OPS_SIZE, 0
+#endif
+
+/* Fields required to print errata status. */
+#if !REPORT_ERRATA
+	.equ	CPU_ERRATA_FUNC_SIZE, 0
+#endif
+
+/* Only BL31 requieres mutual exclusion and printed flag.  */
+#if !(REPORT_ERRATA && defined(IMAGE_BL31))
+	.equ	CPU_ERRATA_LOCK_SIZE, 0
+	.equ	CPU_ERRATA_PRINTED_SIZE, 0
+#endif
+
+#if !defined(IMAGE_BL31) || !CRASH_REPORTING
+	.equ	CPU_REG_DUMP_SIZE, 0
+#endif
+
+/*
+ * Define the offsets to the fields in cpu_ops structure.
+ * Every offset is defined based in the offset and size of the previous
+ * field.
+ */
+	.equ	CPU_MIDR, 0
+	.equ	CPU_RESET_FUNC, CPU_MIDR + CPU_MIDR_SIZE
+	.equ	CPU_EXTRA1_FUNC, CPU_RESET_FUNC + CPU_RESET_FUNC_SIZE
+	.equ	CPU_EXTRA2_FUNC, CPU_EXTRA1_FUNC + CPU_EXTRA1_FUNC_SIZE
+	.equ	CPU_EXTRA3_FUNC, CPU_EXTRA2_FUNC + CPU_EXTRA2_FUNC_SIZE
+	.equ	CPU_E_HANDLER_FUNC, CPU_EXTRA3_FUNC + CPU_EXTRA3_FUNC_SIZE
+	.equ	CPU_PWR_DWN_OPS, CPU_E_HANDLER_FUNC + CPU_E_HANDLER_FUNC_SIZE
+	.equ	CPU_ERRATA_FUNC, CPU_PWR_DWN_OPS + CPU_PWR_DWN_OPS_SIZE
+	.equ	CPU_ERRATA_LOCK, CPU_ERRATA_FUNC + CPU_ERRATA_FUNC_SIZE
+	.equ	CPU_ERRATA_PRINTED, CPU_ERRATA_LOCK + CPU_ERRATA_LOCK_SIZE
+	.equ	CPU_REG_DUMP, CPU_ERRATA_PRINTED + CPU_ERRATA_PRINTED_SIZE
+	.equ	CPU_OPS_SIZE, CPU_REG_DUMP + CPU_REG_DUMP_SIZE
+
+	/*
+	 * Write given expressions as quad words
+	 *
+	 * _count:
+	 *	Write at least _count quad words. If the given number of
+	 *	expressions is less than _count, repeat the last expression to
+	 *	fill _count quad words in total
+	 * _rest:
+	 *	Optional list of expressions. _this is for parameter extraction
+	 *	only, and has no significance to the caller
+	 *
+	 * Invoked as:
+	 *	fill_constants 2, foo, bar, blah, ...
+	 */
+	.macro fill_constants _count:req, _this, _rest:vararg
+	  .ifgt \_count
+	    /* Write the current expression */
+	    .ifb \_this
+	      .error "Nothing to fill"
+	    .endif
+	    .quad \_this
+
+	    /* Invoke recursively for remaining expressions */
+	    .ifnb \_rest
+	      fill_constants \_count-1, \_rest
+	    .else
+	      fill_constants \_count-1, \_this
+	    .endif
+	  .endif
+	.endm
+
+	/*
+	 * Declare CPU operations
+	 *
+	 * _name:
+	 *	Name of the CPU for which operations are being specified
+	 * _midr:
+	 *	Numeric value expected to read from CPU's MIDR
+	 * _resetfunc:
+	 *	Reset function for the CPU. If there's no CPU reset function,
+	 *	specify CPU_NO_RESET_FUNC
+	 * _extra1:
+	 *	This is a placeholder for future per CPU operations.  Currently,
+	 *	some CPUs use this entry to set a test function to determine if
+	 *	the workaround for CVE-2017-5715 needs to be applied or not.
+	 * _extra2:
+	 *	This is a placeholder for future per CPU operations. Currently
+	 *	some CPUs use this entry to set a function to disable the
+	 *	workaround for CVE-2018-3639.
+	 * _extra3:
+	 *	This is a placeholder for future per CPU operations. Currently,
+	 *	some CPUs use this entry to set a test function to determine if
+	 *	the workaround for CVE-2022-23960 needs to be applied or not.
+	 * _e_handler:
+	 *	This is a placeholder for future per CPU exception handlers.
+	 * _power_down_ops:
+	 *	Comma-separated list of functions to perform power-down
+	 *	operatios on the CPU. At least one, and up to
+	 *	CPU_MAX_PWR_DWN_OPS number of functions may be specified.
+	 *	Starting at power level 0, these functions shall handle power
+	 *	down at subsequent power levels. If there aren't exactly
+	 *	CPU_MAX_PWR_DWN_OPS functions, the last specified one will be
+	 *	used to handle power down at subsequent levels
+	 */
+	.macro declare_cpu_ops_base _name:req, _midr:req, _resetfunc:req, \
+		_extra1:req, _extra2:req, _extra3:req, _e_handler:req, _power_down_ops:vararg
+	.section cpu_ops, "a"
+	.align 3
+	.type cpu_ops_\_name, %object
+	.quad \_midr
+#if defined(IMAGE_AT_EL3)
+	.quad \_resetfunc
+#endif
+	.quad \_extra1
+	.quad \_extra2
+	.quad \_extra3
+	.quad \_e_handler
+#ifdef IMAGE_BL31
+	/* Insert list of functions */
+	fill_constants CPU_MAX_PWR_DWN_OPS, \_power_down_ops
+#endif
+
+#if REPORT_ERRATA
+	.ifndef \_name\()_cpu_str
+	  /*
+	   * Place errata reported flag, and the spinlock to arbitrate access to
+	   * it in the data section.
+	   */
+	  .pushsection .data
+	  define_asm_spinlock \_name\()_errata_lock
+	  \_name\()_errata_reported:
+	  .word	0
+	  .popsection
+
+	  /* Place CPU string in rodata */
+	  .pushsection .rodata
+	  \_name\()_cpu_str:
+	  .asciz "\_name"
+	  .popsection
+	.endif
+
+	/*
+	 * Mandatory errata status printing function for CPUs of
+	 * this class.
+	 */
+	.quad \_name\()_errata_report
+
+#ifdef IMAGE_BL31
+	/* Pointers to errata lock and reported flag */
+	.quad \_name\()_errata_lock
+	.quad \_name\()_errata_reported
+#endif
+#endif
+
+#if defined(IMAGE_BL31) && CRASH_REPORTING
+	.quad \_name\()_cpu_reg_dump
+#endif
+	.endm
+
+	.macro declare_cpu_ops _name:req, _midr:req, _resetfunc:req, \
+		_power_down_ops:vararg
+		declare_cpu_ops_base \_name, \_midr, \_resetfunc, 0, 0, 0, 0, \
+			\_power_down_ops
+	.endm
+
+	.macro declare_cpu_ops_eh _name:req, _midr:req, _resetfunc:req, \
+		_e_handler:req, _power_down_ops:vararg
+		declare_cpu_ops_base \_name, \_midr, \_resetfunc, \
+			0, 0, 0, \_e_handler, \_power_down_ops
+	.endm
+
+	.macro declare_cpu_ops_wa _name:req, _midr:req, \
+		_resetfunc:req, _extra1:req, _extra2:req, \
+		_extra3:req, _power_down_ops:vararg
+		declare_cpu_ops_base \_name, \_midr, \_resetfunc, \
+			\_extra1, \_extra2, \_extra3, 0, \_power_down_ops
+	.endm
+
+#if REPORT_ERRATA
+	/*
+	 * Print status of a CPU errata
+	 *
+	 * _chosen:
+	 *	Identifier indicating whether or not a CPU errata has been
+	 *	compiled in.
+	 * _cpu:
+	 *	Name of the CPU
+	 * _id:
+	 *	Errata identifier
+	 * _rev_var:
+	 *	Register containing the combined value CPU revision and variant
+	 *	- typically the return value of cpu_get_rev_var
+	 */
+	.macro report_errata _chosen, _cpu, _id, _rev_var=x8
+	/* Stash a string with errata ID */
+	.pushsection .rodata
+	\_cpu\()_errata_\_id\()_str:
+	.asciz	"\_id"
+	.popsection
+
+	/* Check whether errata applies */
+	mov	x0, \_rev_var
+	/* Shall clobber: x0-x7 */
+	bl	check_errata_\_id
+
+	.ifeq \_chosen
+	/*
+	 * Errata workaround has not been compiled in. If the errata would have
+	 * applied had it been compiled in, print its status as missing.
+	 */
+	cbz	x0, 900f
+	mov	x0, #ERRATA_MISSING
+	.endif
+900:
+	adr	x1, \_cpu\()_cpu_str
+	adr	x2, \_cpu\()_errata_\_id\()_str
+	bl	errata_print_msg
+	.endm
+#endif
+
+	/*
+	 * This macro is used on some CPUs to detect if they are vulnerable
+	 * to CVE-2017-5715.
+	 */
+	.macro	cpu_check_csv2 _reg _label
+	mrs	\_reg, id_aa64pfr0_el1
+	ubfx	\_reg, \_reg, #ID_AA64PFR0_CSV2_SHIFT, #ID_AA64PFR0_CSV2_LENGTH
+	/*
+	 * If the field equals 1, branch targets trained in one context cannot
+	 * affect speculative execution in a different context.
+	 *
+	 * If the field equals 2, it means that the system is also aware of
+	 * SCXTNUM_ELx register contexts. We aren't using them in the TF, so we
+	 * expect users of the registers to do the right thing.
+	 *
+	 * Only apply mitigations if the value of this field is 0.
+	 */
+#if ENABLE_ASSERTIONS
+	cmp	\_reg, #3 /* Only values 0 to 2 are expected */
+	ASM_ASSERT(lo)
+#endif
+
+	cmp	\_reg, #0
+	bne	\_label
+	.endm
+
+	/*
+	 * Helper macro that reads the part number of the current
+	 * CPU and jumps to the given label if it matches the CPU
+	 * MIDR provided.
+	 *
+	 * Clobbers x0.
+	 */
+	.macro  jump_if_cpu_midr _cpu_midr, _label
+	mrs	x0, midr_el1
+	ubfx	x0, x0, MIDR_PN_SHIFT, #12
+	cmp	w0, #((\_cpu_midr >> MIDR_PN_SHIFT) & MIDR_PN_MASK)
+	b.eq	\_label
+	.endm
+
+#endif /* CPU_MACROS_S */
diff --git a/include/lib/cpus/aarch64/cpuamu.h b/include/lib/cpus/aarch64/cpuamu.h
new file mode 100644
index 0000000..463f890
--- /dev/null
+++ b/include/lib/cpus/aarch64/cpuamu.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CPUAMU_H
+#define CPUAMU_H
+
+/*******************************************************************************
+ * CPU Activity Monitor Unit register specific definitions.
+ ******************************************************************************/
+#define CPUAMCNTENCLR_EL0	S3_3_C15_C9_7
+#define CPUAMCNTENSET_EL0	S3_3_C15_C9_6
+#define CPUAMCFGR_EL0		S3_3_C15_C10_6
+#define CPUAMUSERENR_EL0	S3_3_C15_C10_7
+
+/* Activity Monitor Event Counter Registers */
+#define CPUAMEVCNTR0_EL0	S3_3_C15_C9_0
+#define CPUAMEVCNTR1_EL0	S3_3_C15_C9_1
+#define CPUAMEVCNTR2_EL0	S3_3_C15_C9_2
+#define CPUAMEVCNTR3_EL0	S3_3_C15_C9_3
+#define CPUAMEVCNTR4_EL0	S3_3_C15_C9_4
+
+/* Activity Monitor Event Type Registers */
+#define CPUAMEVTYPER0_EL0	S3_3_C15_C10_0
+#define CPUAMEVTYPER1_EL0	S3_3_C15_C10_1
+#define CPUAMEVTYPER2_EL0	S3_3_C15_C10_2
+#define CPUAMEVTYPER3_EL0	S3_3_C15_C10_3
+#define CPUAMEVTYPER4_EL0	S3_3_C15_C10_4
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+
+uint64_t cpuamu_cnt_read(unsigned int idx);
+void cpuamu_cnt_write(unsigned int idx, uint64_t val);
+unsigned int cpuamu_read_cpuamcntenset_el0(void);
+unsigned int cpuamu_read_cpuamcntenclr_el0(void);
+void cpuamu_write_cpuamcntenset_el0(unsigned int mask);
+void cpuamu_write_cpuamcntenclr_el0(unsigned int mask);
+
+int midr_match(unsigned int cpu_midr);
+void cpuamu_context_save(unsigned int nr_counters);
+void cpuamu_context_restore(unsigned int nr_counters);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* CPUAMU_H */
diff --git a/include/lib/cpus/aarch64/denver.h b/include/lib/cpus/aarch64/denver.h
new file mode 100644
index 0000000..24b6a87
--- /dev/null
+++ b/include/lib/cpus/aarch64/denver.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef DENVER_H
+#define DENVER_H
+
+/* MIDR values for Denver */
+#define DENVER_MIDR_PN0			U(0x4E0F0000)
+#define DENVER_MIDR_PN1			U(0x4E0F0010)
+#define DENVER_MIDR_PN2			U(0x4E0F0020)
+#define DENVER_MIDR_PN3			U(0x4E0F0030)
+#define DENVER_MIDR_PN4			U(0x4E0F0040)
+#define DENVER_MIDR_PN5			U(0x4E0F0050)
+#define DENVER_MIDR_PN6			U(0x4E0F0060)
+#define DENVER_MIDR_PN7			U(0x4E0F0070)
+#define DENVER_MIDR_PN8			U(0x4E0F0080)
+#define DENVER_MIDR_PN9			U(0x4E0F0090)
+
+/* Implementer code in the MIDR register */
+#define DENVER_IMPL			U(0x4E)
+
+/* CPU state ids - implementation defined */
+#define DENVER_CPU_STATE_POWER_DOWN	U(0x3)
+
+/* Speculative store buffering */
+#define DENVER_CPU_DIS_SSB_EL3		(U(1) << 11)
+#define DENVER_PN4_CPU_DIS_SSB_EL3	(U(1) << 18)
+
+/* Speculative memory disambiguation */
+#define DENVER_CPU_DIS_MD_EL3		(U(1) << 9)
+#define DENVER_PN4_CPU_DIS_MD_EL3	(U(1) << 17)
+
+/* Core power management states */
+#define DENVER_CPU_PMSTATE_C1		U(0x1)
+#define DENVER_CPU_PMSTATE_C6		U(0x6)
+#define DENVER_CPU_PMSTATE_C7		U(0x7)
+#define DENVER_CPU_PMSTATE_MASK		U(0xF)
+
+/* ACTRL_ELx bits to enable dual execution*/
+#define DENVER_CPU_ENABLE_DUAL_EXEC_EL2 (ULL(1) << 9)
+#define DENVER_CPU_ENABLE_DUAL_EXEC_EL3 (ULL(1) << 9)
+#define DENVER_CPU_ENABLE_DUAL_EXEC_EL1 (U(1) << 4)
+
+#ifndef __ASSEMBLER__
+
+/* Disable Dynamic Code Optimisation */
+void denver_disable_dco(void);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* DENVER_H */
diff --git a/include/lib/cpus/aarch64/dsu_def.h b/include/lib/cpus/aarch64/dsu_def.h
new file mode 100644
index 0000000..577de61
--- /dev/null
+++ b/include/lib/cpus/aarch64/dsu_def.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef DSU_DEF_H
+#define DSU_DEF_H
+
+#include <lib/utils_def.h>
+
+/********************************************************************
+ * DSU Cluster Configuration registers definitions
+ ********************************************************************/
+#define CLUSTERCFR_EL1		S3_0_C15_C3_0
+
+#define CLUSTERCFR_ACP_SHIFT	U(11)
+
+/********************************************************************
+ * DSU Cluster Main Revision ID registers definitions
+ ********************************************************************/
+#define CLUSTERIDR_EL1		S3_0_C15_C3_1
+
+#define CLUSTERIDR_REV_SHIFT	U(0)
+#define CLUSTERIDR_REV_BITS	U(4)
+#define CLUSTERIDR_VAR_SHIFT	U(4)
+#define CLUSTERIDR_VAR_BITS	U(4)
+
+/********************************************************************
+ * DSU Cluster Auxiliary Control registers definitions
+ ********************************************************************/
+#define CLUSTERACTLR_EL1	S3_0_C15_C3_3
+
+#define CLUSTERACTLR_EL1_DISABLE_CLOCK_GATING	(ULL(1) << 15)
+#define CLUSTERACTLR_EL1_DISABLE_SCLK_GATING	(ULL(3) << 15)
+
+/********************************************************************
+ * Masks applied for DSU errata workarounds
+ ********************************************************************/
+#define DSU_ERRATA_936184_MASK	(U(0x3) << 15)
+
+#endif /* DSU_DEF_H */
diff --git a/include/lib/cpus/aarch64/generic.h b/include/lib/cpus/aarch64/generic.h
new file mode 100644
index 0000000..53df587
--- /dev/null
+++ b/include/lib/cpus/aarch64/generic.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserverd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef AARCH64_GENERIC_H
+#define AARCH64_GENERIC_H
+
+#include <lib/utils_def.h>
+
+/*
+ * 0x0 value on the MIDR implementer value is reserved for software use,
+ * so use an MIDR value of 0 for a default CPU library.
+ */
+#define AARCH64_GENERIC_MIDR			U(0)
+
+#endif /* AARCH64_GENERIC_H */
diff --git a/include/lib/cpus/aarch64/neoverse_e1.h b/include/lib/cpus/aarch64/neoverse_e1.h
new file mode 100644
index 0000000..96b4661
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_e1.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_E1_H
+#define NEOVERSE_E1_H
+
+#include <lib/utils_def.h>
+
+#define NEOVERSE_E1_MIDR		U(0x410FD4A0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_E1_ECTLR_EL1		S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_E1_CPUACTLR_EL1	S3_0_C15_C1_0
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions.
+ ******************************************************************************/
+
+#define NEOVERSE_E1_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define NEOVERSE_E1_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		(U(1) << 0)
+
+#endif /* NEOVERSE_E1_H */
diff --git a/include/lib/cpus/aarch64/neoverse_n1.h b/include/lib/cpus/aarch64/neoverse_n1.h
new file mode 100644
index 0000000..b6b8d8d
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_n1.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_N1_H
+#define NEOVERSE_N1_H
+
+#include <lib/utils_def.h>
+
+/* Neoverse N1 MIDR for revision 0 */
+#define NEOVERSE_N1_MIDR				U(0x410fd0c0)
+
+/* Neoverse N1 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_N1_BHB_LOOP_COUNT			U(24)
+
+/* Exception Syndrome register EC code for IC Trap */
+#define NEOVERSE_N1_EC_IC_TRAP				U(0x1f)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N1_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+
+/* Definitions of register field mask in NEOVERSE_N1_CPUPWRCTLR_EL1 */
+#define NEOVERSE_N1_CORE_PWRDN_EN_MASK			U(0x1)
+
+#define NEOVERSE_N1_ACTLR_AMEN_BIT			(U(1) << 4)
+
+#define NEOVERSE_N1_AMU_NR_COUNTERS			U(5)
+#define NEOVERSE_N1_AMU_GROUP0_MASK			U(0x1f)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N1_CPUECTLR_EL1			S3_0_C15_C1_4
+
+#define NEOVERSE_N1_WS_THR_L2_MASK			(ULL(3) << 24)
+#define NEOVERSE_N1_CPUECTLR_EL1_MM_TLBPF_DIS_BIT	(ULL(1) << 51)
+#define NEOVERSE_N1_CPUECTLR_EL1_EXTLLC_BIT		(ULL(1) << 0)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N1_CPUACTLR_EL1			S3_0_C15_C1_0
+
+#define NEOVERSE_N1_CPUACTLR_EL1_BIT_6			(ULL(1) << 6)
+#define NEOVERSE_N1_CPUACTLR_EL1_BIT_13			(ULL(1) << 13)
+
+#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_11		(ULL(1) << 11)
+#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)
+
+#define NEOVERSE_N1_CPUACTLR3_EL1			S3_0_C15_C1_2
+
+#define NEOVERSE_N1_CPUACTLR3_EL1_BIT_10		(ULL(1) << 10)
+
+/* Instruction patching registers */
+#define CPUPSELR_EL3					S3_6_C15_C8_0
+#define CPUPCR_EL3					S3_6_C15_C8_1
+#define CPUPOR_EL3					S3_6_C15_C8_2
+#define CPUPMR_EL3					S3_6_C15_C8_3
+
+#endif /* NEOVERSE_N1_H */
diff --git a/include/lib/cpus/aarch64/neoverse_n2.h b/include/lib/cpus/aarch64/neoverse_n2.h
new file mode 100644
index 0000000..cb1be5b
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_n2.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2020-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_N2_H
+#define NEOVERSE_N2_H
+
+/* Neoverse N2 ID register for revision r0p0 */
+#define NEOVERSE_N2_MIDR				U(0x410FD490)
+
+/* Neoverse N2 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_N2_BHB_LOOP_COUNT			U(32)
+
+/*******************************************************************************
+ * CPU Power control register
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define NEOVERSE_N2_CORE_PWRDN_EN_BIT			(ULL(1) << 0)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUECTLR_EL1			S3_0_C15_C1_4
+#define NEOVERSE_N2_CPUECTLR_EL1_EXTLLC_BIT		(ULL(1) << 0)
+#define NEOVERSE_N2_CPUECTLR_EL1_PFSTIDIS_BIT		(ULL(1) << 8)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR_EL1			S3_0_C15_C1_0
+#define NEOVERSE_N2_CPUACTLR_EL1_BIT_46			(ULL(1) << 46)
+#define NEOVERSE_N2_CPUACTLR_EL1_BIT_22			(ULL(1) << 22)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 2 specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUACTLR2_EL1			S3_0_C15_C1_1
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_0			(ULL(1) << 0)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_2			(ULL(1) << 2)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_36		(ULL(1) << 36)
+#define NEOVERSE_N2_CPUACTLR2_EL1_BIT_40		(ULL(1) << 40)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register 5 specific definitions.
+ ******************************************************************************/
+#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.
+ ******************************************************************************/
+#define NEOVERSE_N2_CPUECTLR2_EL1			S3_0_C15_C1_5
+#define NEOVERSE_N2_CPUECTLR2_EL1_PF_MODE_CNSRV		ULL(9)
+#define CPUECTLR2_EL1_PF_MODE_LSB			U(11)
+#define CPUECTLR2_EL1_PF_MODE_WIDTH			U(4)
+
+#endif /* NEOVERSE_N2_H */
diff --git a/include/lib/cpus/aarch64/neoverse_n_common.h b/include/lib/cpus/aarch64/neoverse_n_common.h
new file mode 100644
index 0000000..7cb91cd
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_n_common.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_N_COMMON_H
+#define NEOVERSE_N_COMMON_H
+
+/******************************************************************************
+ * Neoverse Nx CPU Configuration register definitions
+ *****************************************************************************/
+#define CPUCFR_EL1		S3_0_C15_C0_0
+
+/* SCU bit of CPU Configuration Register, EL1 */
+#define SCU_SHIFT		U(2)
+
+#endif /* NEOVERSE_N_COMMON_H */
diff --git a/include/lib/cpus/aarch64/neoverse_poseidon.h b/include/lib/cpus/aarch64/neoverse_poseidon.h
new file mode 100644
index 0000000..798ecd1
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_poseidon.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2022, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_POSEIDON_H
+#define NEOVERSE_POSEIDON_H
+
+
+#define NEOVERSE_POSEIDON_MIDR                      		U(0x410FD830)
+
+/* Neoverse Poseidon loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_POSEIDON_BHB_LOOP_COUNT			U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_POSEIDON_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_POSEIDON_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define NEOVERSE_POSEIDON_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* NEOVERSE_POSEIDON_H */
diff --git a/include/lib/cpus/aarch64/neoverse_v1.h b/include/lib/cpus/aarch64/neoverse_v1.h
new file mode 100644
index 0000000..9c7e967
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_v1.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2019-2022, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_V1_H
+#define NEOVERSE_V1_H
+
+#define NEOVERSE_V1_MIDR					U(0x410FD400)
+
+/* Neoverse V1 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_V1_BHB_LOOP_COUNT				U(32)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_V1_CPUECTLR_EL1				S3_0_C15_C1_4
+#define NEOVERSE_V1_CPUPSELR_EL3				S3_6_C15_C8_0
+#define NEOVERSE_V1_CPUPOR_EL3					S3_6_C15_C8_2
+#define NEOVERSE_V1_CPUPMR_EL3					S3_6_C15_C8_3
+#define NEOVERSE_V1_CPUPCR_EL3					S3_6_C15_C8_1
+#define NEOVERSE_V1_CPUECTLR_EL1_BIT_8				(ULL(1) << 8)
+#define NEOVERSE_V1_CPUECTLR_EL1_BIT_53				(ULL(1) << 53)
+#define NEOVERSE_V1_CPUECTLR_EL1_PF_MODE_CNSRV			ULL(3)
+#define CPUECTLR_EL1_PF_MODE_LSB				U(6)
+#define CPUECTLR_EL1_PF_MODE_WIDTH				U(2)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_V1_CPUPWRCTLR_EL1				S3_0_C15_C2_7
+#define NEOVERSE_V1_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_V1_ACTLR2_EL1					S3_0_C15_C1_1
+#define NEOVERSE_V1_ACTLR2_EL1_BIT_0				ULL(1)
+#define NEOVERSE_V1_ACTLR2_EL1_BIT_2				(ULL(1) << 2)
+#define NEOVERSE_V1_ACTLR2_EL1_BIT_28				(ULL(1) << 28)
+#define NEOVERSE_V1_ACTLR2_EL1_BIT_40				(ULL(1) << 40)
+
+#endif /* NEOVERSE_V1_H */
diff --git a/include/lib/cpus/aarch64/neoverse_v2.h b/include/lib/cpus/aarch64/neoverse_v2.h
new file mode 100644
index 0000000..efb960e
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_v2.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_V2_H
+#define NEOVERSE_V2_H
+
+#define NEOVERSE_V2_MIDR				U(0x410FD4F0)
+
+/* Neoverse V2 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_V2_BHB_LOOP_COUNT			U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_V2_CPUECTLR_EL1			S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_V2_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define NEOVERSE_V2_CPUPWRCTLR_EL1_CORE_PWRDN_BIT	U(1)
+
+#endif /* NEOVERSE_V2_H */
diff --git a/include/lib/cpus/aarch64/qemu_max.h b/include/lib/cpus/aarch64/qemu_max.h
new file mode 100644
index 0000000..14da170
--- /dev/null
+++ b/include/lib/cpus/aarch64/qemu_max.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef QEMU_MAX_H
+#define QEMU_MAX_H
+
+#include <lib/utils_def.h>
+
+/*
+ *  QEMU MAX midr for revision 0
+ *  00   - Reserved for software use
+ *  0    - Variant
+ *  F    - Architectural features identified in ID_* registers
+ *  051  - 'Q', in a 12-bit field.
+ *  0    - Revision
+ */
+#define QEMU_MAX_MIDR		U(0x000F0510)
+
+#endif /* QEMU_MAX_H */
diff --git a/include/lib/cpus/aarch64/rainier.h b/include/lib/cpus/aarch64/rainier.h
new file mode 100644
index 0000000..978661f
--- /dev/null
+++ b/include/lib/cpus/aarch64/rainier.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RAINIER_H
+#define RAINIER_H
+
+#include <lib/utils_def.h>
+
+/* RAINIER MIDR for revision 0 */
+#define RAINIER_MIDR			U(0x3f0f4120)
+
+/* Exception Syndrome register EC code for IC Trap */
+#define RAINIER_EC_IC_TRAP		U(0x1f)
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions.
+ ******************************************************************************/
+#define RAINIER_CPUPWRCTLR_EL1		S3_0_C15_C2_7
+
+/* Definitions of register field mask in RAINIER_CPUPWRCTLR_EL1 */
+#define RAINIER_CORE_PWRDN_EN_MASK	U(0x1)
+
+#define RAINIER_ACTLR_AMEN_BIT		(U(1) << 4)
+
+#define RAINIER_AMU_NR_COUNTERS		U(5)
+#define RAINIER_AMU_GROUP0_MASK		U(0x1f)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define RAINIER_CPUECTLR_EL1			S3_0_C15_C1_4
+
+#define RAINIER_WS_THR_L2_MASK			(ULL(3) << 24)
+#define RAINIER_CPUECTLR_EL1_MM_TLBPF_DIS_BIT	(ULL(1) << 51)
+
+/*******************************************************************************
+ * CPU Auxiliary Control register specific definitions.
+ ******************************************************************************/
+#define RAINIER_CPUACTLR_EL1		S3_0_C15_C1_0
+
+#define RAINIER_CPUACTLR_EL1_BIT_6	(ULL(1) << 6)
+#define RAINIER_CPUACTLR_EL1_BIT_13	(ULL(1) << 13)
+
+#define RAINIER_CPUACTLR2_EL1		S3_0_C15_C1_1
+
+#define RAINIER_CPUACTLR2_EL1_BIT_0	(ULL(1) << 0)
+#define RAINIER_CPUACTLR2_EL1_BIT_2	(ULL(1) << 2)
+#define RAINIER_CPUACTLR2_EL1_BIT_11	(ULL(1) << 11)
+#define RAINIER_CPUACTLR2_EL1_BIT_15	(ULL(1) << 15)
+#define RAINIER_CPUACTLR2_EL1_BIT_16	(ULL(1) << 16)
+#define RAINIER_CPUACTLR2_EL1_BIT_59	(ULL(1) << 59)
+
+#define RAINIER_CPUACTLR3_EL1		S3_0_C15_C1_2
+
+#define RAINIER_CPUACTLR3_EL1_BIT_10	(ULL(1) << 10)
+
+/* Instruction patching registers */
+#define CPUPSELR_EL3	S3_6_C15_C8_0
+#define CPUPCR_EL3	S3_6_C15_C8_1
+#define CPUPOR_EL3	S3_6_C15_C8_2
+#define CPUPMR_EL3	S3_6_C15_C8_3
+
+#endif /* RAINIER_H */
diff --git a/include/lib/cpus/errata_report.h b/include/lib/cpus/errata_report.h
new file mode 100644
index 0000000..efdedf0
--- /dev/null
+++ b/include/lib/cpus/errata_report.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ERRATA_REPORT_H
+#define ERRATA_REPORT_H
+
+#ifndef __ASSEMBLER__
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <lib/spinlock.h>
+#include <lib/utils_def.h>
+
+#if DEBUG
+void print_errata_status(void);
+#else
+static inline void print_errata_status(void) {}
+#endif
+
+void errata_print_msg(unsigned int status, const char *cpu, const char *id);
+int errata_needs_reporting(spinlock_t *lock, uint32_t *reported);
+
+#endif /* __ASSEMBLER__ */
+
+/* Errata status */
+#define ERRATA_NOT_APPLIES	0
+#define ERRATA_APPLIES		1
+#define ERRATA_MISSING		2
+
+/* Macro to get CPU revision code for checking errata version compatibility. */
+#define CPU_REV(r, p)		((r << 4) | p)
+
+#endif /* ERRATA_REPORT_H */
diff --git a/include/lib/cpus/wa_cve_2017_5715.h b/include/lib/cpus/wa_cve_2017_5715.h
new file mode 100644
index 0000000..940fc65
--- /dev/null
+++ b/include/lib/cpus/wa_cve_2017_5715.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef WA_CVE_2017_5715_H
+#define WA_CVE_2017_5715_H
+
+int check_wa_cve_2017_5715(void);
+
+#endif /* WA_CVE_2017_5715_H */
diff --git a/include/lib/cpus/wa_cve_2018_3639.h b/include/lib/cpus/wa_cve_2018_3639.h
new file mode 100644
index 0000000..e37db37
--- /dev/null
+++ b/include/lib/cpus/wa_cve_2018_3639.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef WA_CVE_2018_3639_H
+#define WA_CVE_2018_3639_H
+
+void *wa_cve_2018_3639_get_disable_ptr(void);
+
+#endif /* WA_CVE_2018_3639_H */
diff --git a/include/lib/cpus/wa_cve_2022_23960.h b/include/lib/cpus/wa_cve_2022_23960.h
new file mode 100644
index 0000000..35b3fd8
--- /dev/null
+++ b/include/lib/cpus/wa_cve_2022_23960.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef WA_CVE_2022_23960_H
+#define WA_CVE_2022_23960_H
+
+int check_smccc_arch_wa3_applies(void);
+
+#endif /* WA_CVE_2022_23960_H */