chore: rename Poseidon to Neoverse V3

Rename Neoverse Poseidon to Neoverse V3, make changes
to related build flags, macros, file names etc.

Change-Id: I9e40ba8f80b7390703d543787e6cd2ab6301e891
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
diff --git a/docs/security_advisories/security-advisory-tfv-9.rst b/docs/security_advisories/security-advisory-tfv-9.rst
index 762801d..014221e 100644
--- a/docs/security_advisories/security-advisory-tfv-9.rst
+++ b/docs/security_advisories/security-advisory-tfv-9.rst
@@ -87,7 +87,7 @@
 +----------------------+
 | Neoverse-V2          |
 +----------------------+
-| Neoverse-Poseidon    |
+| Neoverse-V3          |
 +----------------------+
 
 For all other cores impacted by Spectre-BHB, some of which that do not implement
diff --git a/include/lib/cpus/aarch64/neoverse_poseidon.h b/include/lib/cpus/aarch64/neoverse_poseidon.h
deleted file mode 100644
index 117826d..0000000
--- a/include/lib/cpus/aarch64/neoverse_poseidon.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef NEOVERSE_POSEIDON_H
-#define NEOVERSE_POSEIDON_H
-
-
-#define NEOVERSE_POSEIDON_VNAE_MIDR				U(0x410FD830)
-#define NEOVERSE_POSEIDON_V_MIDR				U(0x410FD840)
-
-/* 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_v3.h b/include/lib/cpus/aarch64/neoverse_v3.h
new file mode 100644
index 0000000..e5f75ba
--- /dev/null
+++ b/include/lib/cpus/aarch64/neoverse_v3.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NEOVERSE_V3_H
+#define NEOVERSE_V3_H
+
+
+#define NEOVERSE_V3_VNAE_MIDR				U(0x410FD830)
+#define NEOVERSE_V3_MIDR				U(0x410FD840)
+
+/* Neoverse V3 loop count for CVE-2022-23960 mitigation */
+#define NEOVERSE_V3_BHB_LOOP_COUNT			U(132)
+
+/*******************************************************************************
+ * CPU Extended Control register specific definitions.
+ ******************************************************************************/
+#define NEOVERSE_V3_CPUECTLR_EL1				S3_0_C15_C1_4
+
+/*******************************************************************************
+ * CPU Power Control register specific definitions
+ ******************************************************************************/
+#define NEOVERSE_V3_CPUPWRCTLR_EL1			S3_0_C15_C2_7
+#define NEOVERSE_V3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT		U(1)
+
+#endif /* NEOVERSE_V3_H */
diff --git a/lib/cpus/aarch64/neoverse_poseidon.S b/lib/cpus/aarch64/neoverse_poseidon.S
deleted file mode 100644
index 54c2ff9..0000000
--- a/lib/cpus/aarch64/neoverse_poseidon.S
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <common/bl_common.h>
-#include <neoverse_poseidon.h>
-#include <cpu_macros.S>
-#include <plat_macros.S>
-#include "wa_cve_2022_23960_bhb_vector.S"
-
-/* Hardware handled coherency */
-#if HW_ASSISTED_COHERENCY == 0
-#error "Neoverse Poseidon must be compiled with HW_ASSISTED_COHERENCY enabled"
-#endif
-
-/* 64-bit only core */
-#if CTX_INCLUDE_AARCH32_REGS == 1
-#error "Neoverse Poseidon supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
-#endif
-
-#if WORKAROUND_CVE_2022_23960
-	wa_cve_2022_23960_bhb_vector_table NEOVERSE_POSEIDON_BHB_LOOP_COUNT, neoverse_poseidon
-#endif /* WORKAROUND_CVE_2022_23960 */
-
-workaround_reset_start neoverse_poseidon, CVE(2022,23960), WORKAROUND_CVE_2022_23960
-#if IMAGE_BL31
-	/*
-	 * The Neoverse-poseidon generic vectors are overridden to apply errata
-         * mitigation on exception entry from lower ELs.
-	 */
-	override_vector_table wa_cve_vbar_neoverse_poseidon
-
-#endif /* IMAGE_BL31 */
-workaround_reset_end neoverse_poseidon, CVE(2022,23960)
-
-check_erratum_chosen neoverse_poseidon, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
-
-	/* ---------------------------------------------
-	 * HW will do the cache maintenance while powering down
-	 * ---------------------------------------------
-	 */
-func neoverse_poseidon_core_pwr_dwn
-	/* ---------------------------------------------
-	 * Enable CPU power down bit in power control register
-	 * ---------------------------------------------
-	 */
-	sysreg_bit_set NEOVERSE_POSEIDON_CPUPWRCTLR_EL1, \
-		NEOVERSE_POSEIDON_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
-
-	isb
-	ret
-endfunc neoverse_poseidon_core_pwr_dwn
-
-cpu_reset_func_start neoverse_poseidon
-	/* Disable speculative loads */
-	msr	SSBS, xzr
-cpu_reset_func_end neoverse_poseidon
-
-errata_report_shim neoverse_poseidon
-
-	/* ---------------------------------------------
-	 * This function provides Neoverse-Poseidon specific
-	 * register information for crash reporting.
-	 * It needs to return with x6 pointing to
-	 * a list of register names in ascii and
-	 * x8 - x15 having values of registers to be
-	 * reported.
-	 * ---------------------------------------------
-	 */
-.section .rodata.neoverse_poseidon_regs, "aS"
-neoverse_poseidon_regs:  /* The ascii list of register names to be reported */
-	.asciz	"cpuectlr_el1", ""
-
-func neoverse_poseidon_cpu_reg_dump
-	adr	x6, neoverse_poseidon_regs
-	mrs	x8, NEOVERSE_POSEIDON_CPUECTLR_EL1
-	ret
-endfunc neoverse_poseidon_cpu_reg_dump
-
-declare_cpu_ops neoverse_poseidon, NEOVERSE_POSEIDON_VNAE_MIDR, \
-	neoverse_poseidon_reset_func, \
-	neoverse_poseidon_core_pwr_dwn
-
-declare_cpu_ops neoverse_poseidon, NEOVERSE_POSEIDON_V_MIDR, \
-	neoverse_poseidon_reset_func, \
-	neoverse_poseidon_core_pwr_dwn
diff --git a/lib/cpus/aarch64/neoverse_v3.S b/lib/cpus/aarch64/neoverse_v3.S
new file mode 100644
index 0000000..67258c8
--- /dev/null
+++ b/lib/cpus/aarch64/neoverse_v3.S
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <neoverse_v3.h>
+#include <cpu_macros.S>
+#include <plat_macros.S>
+#include "wa_cve_2022_23960_bhb_vector.S"
+
+/* Hardware handled coherency */
+#if HW_ASSISTED_COHERENCY == 0
+#error "Neoverse V3 must be compiled with HW_ASSISTED_COHERENCY enabled"
+#endif
+
+/* 64-bit only core */
+#if CTX_INCLUDE_AARCH32_REGS == 1
+#error "Neoverse V3 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
+#endif
+
+#if WORKAROUND_CVE_2022_23960
+	wa_cve_2022_23960_bhb_vector_table NEOVERSE_V3_BHB_LOOP_COUNT, neoverse_v3
+#endif /* WORKAROUND_CVE_2022_23960 */
+
+workaround_reset_start neoverse_v3, CVE(2022,23960), WORKAROUND_CVE_2022_23960
+#if IMAGE_BL31
+	/*
+	 * The Neoverse V3 generic vectors are overridden to apply errata
+         * mitigation on exception entry from lower ELs.
+	 */
+	override_vector_table wa_cve_vbar_neoverse_v3
+
+#endif /* IMAGE_BL31 */
+workaround_reset_end neoverse_v3, CVE(2022,23960)
+
+check_erratum_chosen neoverse_v3, CVE(2022, 23960), WORKAROUND_CVE_2022_23960
+
+	/* ---------------------------------------------
+	 * HW will do the cache maintenance while powering down
+	 * ---------------------------------------------
+	 */
+func neoverse_v3_core_pwr_dwn
+	/* ---------------------------------------------
+	 * Enable CPU power down bit in power control register
+	 * ---------------------------------------------
+	 */
+	sysreg_bit_set NEOVERSE_V3_CPUPWRCTLR_EL1, \
+		NEOVERSE_V3_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+
+	isb
+	ret
+endfunc neoverse_v3_core_pwr_dwn
+
+cpu_reset_func_start neoverse_v3
+	/* Disable speculative loads */
+	msr	SSBS, xzr
+cpu_reset_func_end neoverse_v3
+
+errata_report_shim neoverse_v3
+
+	/* ---------------------------------------------
+	 * This function provides Neoverse V3 specific
+	 * register information for crash reporting.
+	 * It needs to return with x6 pointing to
+	 * a list of register names in ascii and
+	 * x8 - x15 having values of registers to be
+	 * reported.
+	 * ---------------------------------------------
+	 */
+.section .rodata.neoverse_v3_regs, "aS"
+neoverse_v3_regs:  /* The ascii list of register names to be reported */
+	.asciz	"cpuectlr_el1", ""
+
+func neoverse_v3_cpu_reg_dump
+	adr	x6, neoverse_v3_regs
+	mrs	x8, NEOVERSE_V3_CPUECTLR_EL1
+	ret
+endfunc neoverse_v3_cpu_reg_dump
+
+declare_cpu_ops neoverse_v3, NEOVERSE_V3_VNAE_MIDR, \
+	neoverse_v3_reset_func, \
+	neoverse_v3_core_pwr_dwn
+
+declare_cpu_ops neoverse_v3, NEOVERSE_V3_MIDR, \
+	neoverse_v3_reset_func, \
+	neoverse_v3_core_pwr_dwn