SpiBusSmm.c File Reference

#include <Base.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/MmServicesTableLib.h>
#include <Protocol/SpiSmmConfiguration.h>
#include <Protocol/SpiSmmHc.h>
#include <Protocol/SpiIo.h>
#include "SpiBus.h"

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	SpiBusEntry (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Detailed Description

SPI bus SMM driver

Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file SpiBusSmm.c.

Function Documentation

SpiBusEntry()

EFI_STATUS EFIAPI SpiBusEntry	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

Entry point of the Spi Bus layer

Parameters

[in]	ImageHandle	Image handle of this driver.
[in]	SystemTable	Pointer to standard EFI system table.

Return values

EFI_SUCCESS	Succeed.
EFI_DEVICE_ERROR	Fail to install EFI_SPI_HC_PROTOCOL protocol.
EFI_NOT_FOUND	fail to locate SpiHcProtocol or SpiIoConfigurationProtocol
EFI_OUT_OF_RESOURCES	Failed to allocate SpiIoChip

Definition at line 32 of file SpiBusSmm.c.