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https://github.com/ARM-software/arm-trusted-firmware.git
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edcece15c7
Initial version Signed-off-by: Margarita Glushkin <rutigl@gmail.com> Change-Id: If433d325a90b519ae5f02411865bffd368ff2824
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* Copyright (c) 2015-2023, ARM Limited and Contributors. All rights reserved.
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*
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* Copyright (C) 2023 Nuvoton Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <assert.h>
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#include <arch_helpers.h>
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#include <lib/psci/psci.h>
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#include <plat/arm/common/plat_arm.h>
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#include <plat/common/platform.h>
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#include <platform_def.h>
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/* Allow npcm845x to override these functions */
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#pragma weak plat_arm_program_trusted_mailbox
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#pragma weak plat_setup_psci_ops /* changed to weak */
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/*******************************************************************************
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* ARM standard platform handler called to check the validity of the non secure
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* entrypoint. Returns 0 if the entrypoint is valid, or -1 otherwise.
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******************************************************************************/
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int arm_validate_ns_entrypoint(uintptr_t entrypoint)
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{
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/*
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* Check if the non secure entrypoint lies within the non
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* secure DRAM.
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*/
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if ((entrypoint >= ARM_NS_DRAM1_BASE) &&
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(entrypoint < (ARM_NS_DRAM1_BASE + ARM_NS_DRAM1_SIZE))) {
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return 0;
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}
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#ifdef __aarch64__
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if ((entrypoint >= ARM_DRAM2_BASE) &&
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(entrypoint < (ARM_DRAM2_BASE + ARM_DRAM2_SIZE))) {
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return 0;
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}
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#endif
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return -1;
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}
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int arm_validate_psci_entrypoint(uintptr_t entrypoint)
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{
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return (arm_validate_ns_entrypoint(entrypoint) == 0) ? PSCI_E_SUCCESS :
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PSCI_E_INVALID_ADDRESS;
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}
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/******************************************************************************
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* Helper function to save the platform state before a system suspend. Save the
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* state of the system components which are not in the Always ON power domain.
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*****************************************************************************/
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void arm_system_pwr_domain_save(void)
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{
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/* Assert system power domain is available on the platform */
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assert(PLAT_MAX_PWR_LVL > ARM_PWR_LVL1);
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plat_arm_gic_save();
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/*
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* Unregister console now so that it is not registered for a second
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* time during resume.
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*/
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arm_console_runtime_end();
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/*
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* All the other peripheral which are configured by TF-A are
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* re-initialized on resume from system suspend. Hence we
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* don't save their state here.
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*/
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}
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