diff options
Diffstat (limited to 'ArmPkg/Universal/MmcDxe/Mmc.c')
| -rw-r--r-- | ArmPkg/Universal/MmcDxe/Mmc.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/ArmPkg/Universal/MmcDxe/Mmc.c b/ArmPkg/Universal/MmcDxe/Mmc.c deleted file mode 100644 index 9c67867aa3..0000000000 --- a/ArmPkg/Universal/MmcDxe/Mmc.c +++ /dev/null @@ -1,387 +0,0 @@ -/** @file
- Main file of the MMC Dxe driver. The driver entrypoint is defined into this file.
-
- Copyright (c) 2011, ARM Limited. All rights reserved.
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include <Protocol/DevicePath.h>
-#include <Protocol/MmcHost.h>
-
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/DebugLib.h>
-
-#include "Mmc.h"
-
-EFI_BLOCK_IO_MEDIA mMmcMediaTemplate = {
- SIGNATURE_32('m','m','c','o'), // MediaId
- TRUE, // RemovableMedia
- FALSE, // MediaPresent
- FALSE, // LogicalPartition
- FALSE, // ReadOnly
- FALSE, // WriteCaching
- 512, // BlockSize
- 4, // IoAlign
- 0, // Pad
- 0 // LastBlock
-};
-
-//
-// This device structure is serviced as a header.
-// Its next field points to the first root bridge device node.
-//
-LIST_ENTRY mMmcHostPool;
-
-/**
- Initialize the MMC Host Pool to support multiple MMC devices
-**/
-VOID
-InitializeMmcHostPool (
- VOID
- )
-{
- InitializeListHead (&mMmcHostPool);
-}
-
-/**
- Insert a new Mmc Host controller to the pool
-**/
-VOID
-InsertMmcHost (
- IN MMC_HOST_INSTANCE *MmcHostInstance
- )
-{
- InsertTailList (&mMmcHostPool, &(MmcHostInstance->Link));
-}
-
-/*
- Remove a new Mmc Host controller to the pool
-*/
-VOID
-RemoveMmcHost (
- IN MMC_HOST_INSTANCE *MmcHostInstance
- )
-{
- RemoveEntryList (&(MmcHostInstance->Link));
-}
-
-MMC_HOST_INSTANCE* CreateMmcHostInstance(
- IN EFI_MMC_HOST_PROTOCOL* MmcHost
- )
-{
- EFI_STATUS Status;
- MMC_HOST_INSTANCE* MmcHostInstance;
- EFI_DEVICE_PATH_PROTOCOL *NewDevicePathNode;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
-
- MmcHostInstance = AllocateZeroPool (sizeof (MMC_HOST_INSTANCE));
- if (MmcHostInstance == NULL) {
- return NULL;
- }
-
- MmcHostInstance->Signature = MMC_HOST_INSTANCE_SIGNATURE;
-
- MmcHostInstance->State = MmcHwInitializationState;
-
- MmcHostInstance->BlockIo.Media = AllocateCopyPool (sizeof(EFI_BLOCK_IO_MEDIA), &mMmcMediaTemplate);
- if (MmcHostInstance->BlockIo.Media == NULL) {
- goto FREE_INSTANCE;
- }
-
- MmcHostInstance->BlockIo.Revision = EFI_BLOCK_IO_INTERFACE_REVISION;
- MmcHostInstance->BlockIo.Reset = MmcReset;
- MmcHostInstance->BlockIo.ReadBlocks = MmcReadBlocks;
- MmcHostInstance->BlockIo.WriteBlocks = MmcWriteBlocks;
- MmcHostInstance->BlockIo.FlushBlocks = MmcFlushBlocks;
-
- MmcHostInstance->MmcHost = MmcHost;
-
- // Create DevicePath for the new MMC Host
- Status = MmcHost->BuildDevicePath(&NewDevicePathNode);
- if (EFI_ERROR (Status)) {
- goto FREE_MEDIA;
- }
-
- DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH);
- if (DevicePath == NULL) {
- goto FREE_MEDIA;
- }
-
- SetDevicePathEndNode (DevicePath);
- MmcHostInstance->DevicePath = AppendDevicePathNode (DevicePath, NewDevicePathNode);
-
- // Publish BlockIO protocol interface
- Status = gBS->InstallMultipleProtocolInterfaces (
- &MmcHostInstance->MmcHandle,
- &gEfiBlockIoProtocolGuid,&(MmcHostInstance->BlockIo),
- &gEfiDevicePathProtocolGuid,MmcHostInstance->DevicePath,
- NULL
- );
- if (EFI_ERROR(Status)) {
- goto FREE_DEVICE_PATH;
- }
-
- return MmcHostInstance;
-
-FREE_DEVICE_PATH:
- FreePool(DevicePath);
-
-FREE_MEDIA:
- FreePool(MmcHostInstance->BlockIo.Media);
-
-FREE_INSTANCE:
- FreePool(MmcHostInstance);
-
- return NULL;
-}
-
-EFI_STATUS DestroyMmcHostInstance(
- IN MMC_HOST_INSTANCE* MmcHostInstance
- )
-{
- EFI_STATUS Status;
-
- // Uninstall Protocol Interfaces
- Status = gBS->UninstallMultipleProtocolInterfaces(
- MmcHostInstance->MmcHandle,
- &gEfiBlockIoProtocolGuid,&(MmcHostInstance->BlockIo),
- &gEfiDevicePathProtocolGuid,MmcHostInstance->DevicePath,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- // Free Memory allocated for the instance
- if (MmcHostInstance->BlockIo.Media) {
- FreePool(MmcHostInstance->BlockIo.Media);
- }
- FreePool (MmcHostInstance);
-
- return Status;
-}
-
-/**
- This function checks if the controller implement the Mmc Host and the Device Path Protocols
-**/
-EFI_STATUS
-EFIAPI
-MmcDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- //EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
- EFI_MMC_HOST_PROTOCOL *MmcHost;
- EFI_DEV_PATH_PTR Node;
-
- //
- // Check RemainingDevicePath validation
- //
- if (RemainingDevicePath != NULL) {
- //
- // Check if RemainingDevicePath is the End of Device Path Node,
- // if yes, go on checking other conditions
- //
- if (!IsDevicePathEnd (RemainingDevicePath)) {
- //
- // If RemainingDevicePath isn't the End of Device Path Node,
- // check its validation
- //
- Node.DevPath = RemainingDevicePath;
- if (Node.DevPath->Type != HARDWARE_DEVICE_PATH ||
- Node.DevPath->SubType != HW_VENDOR_DP ||
- DevicePathNodeLength(Node.DevPath) != sizeof(VENDOR_DEVICE_PATH)) {
- return EFI_UNSUPPORTED;
- }
- }
- }
-
- //
- // Check if Mmc Host protocol is installed by platform
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiMmcHostProtocolGuid,
- (VOID **) &MmcHost,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (Status == EFI_ALREADY_STARTED) {
- return EFI_SUCCESS;
- }
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Close the Mmc Host used to perform the supported test
- //
- gBS->CloseProtocol (
- Controller,
- &gEfiMmcHostProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return EFI_SUCCESS;
-}
-
-/**
-
-**/
-EFI_STATUS
-EFIAPI
-MmcDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- MMC_HOST_INSTANCE *MmcHostInstance;
- EFI_MMC_HOST_PROTOCOL *MmcHost;
-
- //
- // Check RemainingDevicePath validation
- //
- if (RemainingDevicePath != NULL) {
- //
- // Check if RemainingDevicePath is the End of Device Path Node,
- // if yes, return EFI_SUCCESS
- //
- if (IsDevicePathEnd (RemainingDevicePath)) {
- return EFI_SUCCESS;
- }
- }
-
- //
- // Get the Mmc Host protocol
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiMmcHostProtocolGuid,
- (VOID **) &MmcHost,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- if (Status == EFI_ALREADY_STARTED) {
- return EFI_SUCCESS;
- }
- return Status;
- }
-
- MmcHostInstance = CreateMmcHostInstance(MmcHost);
- if (MmcHostInstance != NULL) {
- // Add the handle to the pool
- InsertMmcHost (MmcHostInstance);
- }
-
- return EFI_SUCCESS;
-}
-
-/**
-
-**/
-EFI_STATUS
-EFIAPI
-MmcDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status = EFI_SUCCESS;
- LIST_ENTRY *CurrentLink;
- MMC_HOST_INSTANCE *MmcHostInstance;
-
- MMC_TRACE("MmcDriverBindingStop()");
-
- // For each MMC instance
- CurrentLink = mMmcHostPool.ForwardLink;
- while (CurrentLink != NULL && CurrentLink != &mMmcHostPool && (Status == EFI_SUCCESS)) {
- MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);
- ASSERT(MmcHostInstance != NULL);
-
- // Close gEfiMmcHostProtocolGuid
- Status = gBS->CloseProtocol (
- Controller,
- &gEfiMmcHostProtocolGuid,(VOID **) &MmcHostInstance->MmcHost,
- This->DriverBindingHandle
- );
-
- // Remove MMC Host Instance from the pool
- RemoveMmcHost (MmcHostInstance);
-
- // Destroy MmcHostInstance
- DestroyMmcHostInstance (MmcHostInstance);
- }
-
- return Status;
-}
-
-EFI_DRIVER_BINDING_PROTOCOL gMmcDriverBinding = {
- MmcDriverBindingSupported,
- MmcDriverBindingStart,
- MmcDriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-/**
-
-**/
-EFI_STATUS
-EFIAPI
-MmcDxeInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- //
- // Initializes MMC Host pool
- //
- InitializeMmcHostPool ();
-
- //
- // Install driver model protocol(s).
- //
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gMmcDriverBinding,
- ImageHandle,
- &gMmcComponentName,
- &gMmcComponentName2
- );
- ASSERT_EFI_ERROR (Status);
-
- // Install driver diagnostics
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ImageHandle,
- &gEfiDriverDiagnostics2ProtocolGuid,&gMmcDriverDiagnostics2,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
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