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path: root/lib/cpus/aarch64/cortex_helios.S
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/*
 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#include <arch.h>
#include <asm_macros.S>
#include <common/bl_common.h>
#include <common/debug.h>
#include <cortex_helios.h>
#include <cpu_macros.S>
#include <plat_macros.S>

func cortex_helios_cpu_pwr_dwn
	mrs	x0, CORTEX_HELIOS_CPUPWRCTLR_EL1
	orr	x0, x0, #CORTEX_HELIOS_CPUPWRCTLR_EL1_CORE_PWRDN_BIT
	msr	CORTEX_HELIOS_CPUPWRCTLR_EL1, x0
	isb
	ret
endfunc cortex_helios_cpu_pwr_dwn

#if REPORT_ERRATA
/*
 * Errata printing function for Cortex Helios. Must follow AAPCS.
 */
func cortex_helios_errata_report
	ret
endfunc cortex_helios_errata_report
#endif


.section .rodata.cortex_helios_regs, "aS"
cortex_helios_regs:  /* The ascii list of register names to be reported */
	.asciz	"cpuectlr_el1", ""

func cortex_helios_cpu_reg_dump
	adr	x6, cortex_helios_regs
	mrs	x8, CORTEX_HELIOS_ECTLR_EL1
	ret
endfunc cortex_helios_cpu_reg_dump

declare_cpu_ops cortex_helios, CORTEX_HELIOS_MIDR, \
	CPU_NO_RESET_FUNC, \
	cortex_helios_cpu_pwr_dwn