arm-trusted-firmware/lib/cpus/aarch64/cortex_x925.S
Govindraj Raja bbe94cddc4 chore: rename Blackhawk to Cortex-X925
Rename Blackhawk to Cortex-X925.

Change-Id: I51e40a7bc6b8871c53c40d1f341853b1fd7fdf71
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
2024-05-29 21:38:24 +02:00

66 lines
1.9 KiB
ArmAsm

/*
* Copyright (c) 2023-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch.h>
#include <asm_macros.S>
#include <common/bl_common.h>
#include <cortex_x925.h>
#include <cpu_macros.S>
#include <plat_macros.S>
/* Hardware handled coherency */
#if HW_ASSISTED_COHERENCY == 0
#error "Cortex-X925 must be compiled with HW_ASSISTED_COHERENCY enabled"
#endif
/* 64-bit only core */
#if CTX_INCLUDE_AARCH32_REGS == 1
#error "Cortex-X925 supports only AArch64. Compile with CTX_INCLUDE_AARCH32_REGS=0"
#endif
cpu_reset_func_start cortex_x925
/* Disable speculative loads */
msr SSBS, xzr
cpu_reset_func_end cortex_x925
/* ----------------------------------------------------
* HW will do the cache maintenance while powering down
* ----------------------------------------------------
*/
func cortex_x925_core_pwr_dwn
/* ---------------------------------------------------
* Enable CPU power down bit in power control register
* ---------------------------------------------------
*/
sysreg_bit_set CORTEX_X925_CPUPWRCTLR_EL1, CORTEX_X925_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
isb
ret
endfunc cortex_x925_core_pwr_dwn
errata_report_shim cortex_x925
/* ---------------------------------------------
* This function provides Cortex-X925 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.cortex_x925_regs, "aS"
cortex_x925_regs: /* The ascii list of register names to be reported */
.asciz "cpuectlr_el1", ""
func cortex_x925_cpu_reg_dump
adr x6, cortex_x925_regs
mrs x8, CORTEX_X925_CPUECTLR_EL1
ret
endfunc cortex_x925_cpu_reg_dump
declare_cpu_ops cortex_x925, CORTEX_X925_MIDR, \
cortex_x925_reset_func, \
cortex_x925_core_pwr_dwn