Rename Neoverse Zeus to Neoverse V1
Change-Id: Ieb411e2f8092fa82062e619305b680673a8f184f
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
diff --git a/lib/cpus/aarch64/neoverse_v1.S b/lib/cpus/aarch64/neoverse_v1.S
new file mode 100644
index 0000000..7336294
--- /dev/null
+++ b/lib/cpus/aarch64/neoverse_v1.S
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2019-2020, 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_v1.h>
+#include <cpu_macros.S>
+#include <plat_macros.S>
+
+/* Hardware handled coherency */
+#if HW_ASSISTED_COHERENCY == 0
+#error "Neoverse V1 must be compiled with HW_ASSISTED_COHERENCY enabled"
+#endif
+
+/* 64-bit only core */
+#if CTX_INCLUDE_AARCH32_REGS == 1
+#error "Neoverse-V1 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
+#endif
+
+ /* ---------------------------------------------
+ * HW will do the cache maintenance while powering down
+ * ---------------------------------------------
+ */
+func neoverse_v1_core_pwr_dwn
+ /* ---------------------------------------------
+ * Enable CPU power down bit in power control register
+ * ---------------------------------------------
+ */
+ mrs x0, NEOVERSE_V1_CPUPWRCTLR_EL1
+ orr x0, x0, #NEOVERSE_V1_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
+ msr NEOVERSE_V1_CPUPWRCTLR_EL1, x0
+ isb
+ ret
+endfunc neoverse_v1_core_pwr_dwn
+
+ /*
+ * Errata printing function for Neoverse V1. Must follow AAPCS.
+ */
+#if REPORT_ERRATA
+func neoverse_v1_errata_report
+ ret
+endfunc neoverse_v1_errata_report
+#endif
+
+func neoverse_v1_reset_func
+ mov x19, x30
+
+ /* Disable speculative loads */
+ msr SSBS, xzr
+
+ isb
+ ret x19
+endfunc neoverse_v1_reset_func
+
+ /* ---------------------------------------------
+ * This function provides Neoverse-V1 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_v1_regs, "aS"
+neoverse_v1_regs: /* The ascii list of register names to be reported */
+ .asciz "cpuectlr_el1", ""
+
+func neoverse_v1_cpu_reg_dump
+ adr x6, neoverse_v1_regs
+ mrs x8, NEOVERSE_V1_CPUECTLR_EL1
+ ret
+endfunc neoverse_v1_cpu_reg_dump
+
+declare_cpu_ops neoverse_v1, NEOVERSE_V1_MIDR, \
+ neoverse_v1_reset_func, \
+ neoverse_v1_core_pwr_dwn