diff options
Diffstat (limited to 'roms/edk2/EmbeddedPkg/Universal/MmcDxe')
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/ComponentName.c | 156 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c | 253 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.c | 452 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.h | 523 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 396 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c | 162 | ||||
| -rw-r--r-- | roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf | 45 | ||||
| -rwxr-xr-x | roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c | 799 |
8 files changed, 2786 insertions, 0 deletions
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/ComponentName.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/ComponentName.c new file mode 100644 index 000000000..f5db12178 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/ComponentName.c @@ -0,0 +1,156 @@ +/** @file
+ Component Name Protocol implementation for the MMC DXE driver
+
+ Copyright (c) 2011, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Mmc.h"
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gMmcComponentName = {
+ MmcGetDriverName,
+ MmcGetControllerName,
+ "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) MmcGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) MmcGetControllerName,
+ "en"
+};
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
+mMmcDriverNameTable[] = {
+ {"eng;en", L"MMC/SD Card Interface Driver"},
+ {NULL, NULL}
+};
+
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param Language A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+ @param DriverName A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mMmcDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gMmcComponentName)
+ );
+}
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+ @param ControllerHandle The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+ @param ChildHandle The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+ @param Language A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+ @param ControllerName A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ return EFI_UNSUPPORTED;
+}
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c new file mode 100644 index 000000000..49b069043 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c @@ -0,0 +1,253 @@ +/** @file
+ Diagnostics Protocol implementation for the MMC DXE driver
+
+ Copyright (c) 2011-2020, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseLib.h>
+
+#include "Mmc.h"
+
+#define DIAGNOSTIC_LOGBUFFER_MAXCHAR 1024
+
+CHAR16* mLogBuffer = NULL;
+UINTN mLogRemainChar = 0;
+
+CHAR16*
+DiagnosticInitLog (
+ UINTN MaxBufferChar
+ )
+{
+ mLogRemainChar = MaxBufferChar;
+ mLogBuffer = AllocatePool ((UINTN)MaxBufferChar * sizeof (CHAR16));
+ return mLogBuffer;
+}
+
+UINTN
+DiagnosticLog (
+ CONST CHAR16* Str
+ )
+{
+ UINTN len = StrLen (Str);
+ if (len < mLogRemainChar) {
+ StrCpyS (mLogBuffer, mLogRemainChar, Str);
+ mLogRemainChar -= len;
+ mLogBuffer += len;
+ return len;
+ } else {
+ return 0;
+ }
+}
+
+VOID
+GenerateRandomBuffer (
+ VOID* Buffer,
+ UINTN BufferSize
+ )
+{
+ UINT64 i;
+ UINT64* Buffer64 = (UINT64*)Buffer;
+
+ for (i = 0; i < (BufferSize >> 3); i++) {
+ *Buffer64 = i | LShiftU64 (~i, 32);
+ Buffer64++;
+ }
+}
+
+BOOLEAN
+CompareBuffer (
+ VOID *BufferA,
+ VOID *BufferB,
+ UINTN BufferSize
+ )
+{
+ UINTN i;
+ UINT64* BufferA64 = (UINT64*)BufferA;
+ UINT64* BufferB64 = (UINT64*)BufferB;
+
+ for (i = 0; i < (BufferSize >> 3); i++) {
+ if (*BufferA64 != *BufferB64) {
+ DEBUG ((EFI_D_ERROR, "CompareBuffer: Error at %i", i));
+ DEBUG ((EFI_D_ERROR, "(0x%lX) != (0x%lX)\n", *BufferA64, *BufferB64));
+ return FALSE;
+ }
+ BufferA64++;
+ BufferB64++;
+ }
+ return TRUE;
+}
+
+EFI_STATUS
+MmcReadWriteDataTest (
+ MMC_HOST_INSTANCE *MmcHostInstance,
+ EFI_LBA Lba,
+ UINTN BufferSize
+ )
+{
+ VOID *BackBuffer;
+ VOID *WriteBuffer;
+ VOID *ReadBuffer;
+ EFI_STATUS Status;
+
+ // Check if a Media is Present
+ if (!MmcHostInstance->BlockIo.Media->MediaPresent) {
+ DiagnosticLog (L"ERROR: No Media Present\n");
+ return EFI_NO_MEDIA;
+ }
+
+ if (MmcHostInstance->State != MmcTransferState) {
+ DiagnosticLog (L"ERROR: Not ready for Transfer state\n");
+ return EFI_NOT_READY;
+ }
+
+ BackBuffer = AllocatePool (BufferSize);
+ WriteBuffer = AllocatePool (BufferSize);
+ ReadBuffer = AllocatePool (BufferSize);
+
+ // Read (and save) buffer at a specific location
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);
+ if (Status != EFI_SUCCESS) {
+ DiagnosticLog (L"ERROR: Fail to Read Block (1)\n");
+ return Status;
+ }
+
+ // Write buffer at the same location
+ GenerateRandomBuffer (WriteBuffer,BufferSize);
+ Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,WriteBuffer);
+ if (Status != EFI_SUCCESS) {
+ DiagnosticLog (L"ERROR: Fail to Write Block (1)\n");
+ return Status;
+ }
+
+ // Read the buffer at the same location
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);
+ if (Status != EFI_SUCCESS) {
+ DiagnosticLog (L"ERROR: Fail to Read Block (2)\n");
+ return Status;
+ }
+
+ // Check that is conform
+ if (!CompareBuffer (ReadBuffer,WriteBuffer,BufferSize)) {
+ DiagnosticLog (L"ERROR: Fail to Read/Write Block (1)\n");
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Restore content at the original location
+ Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);
+ if (Status != EFI_SUCCESS) {
+ DiagnosticLog (L"ERROR: Fail to Write Block (2)\n");
+ return Status;
+ }
+
+ // Read the restored content
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);
+ if (Status != EFI_SUCCESS) {
+ DiagnosticLog (L"ERROR: Fail to Read Block (3)\n");
+ return Status;
+ }
+
+ // Check the content is correct
+ if (!CompareBuffer (ReadBuffer,BackBuffer,BufferSize)) {
+ DiagnosticLog (L"ERROR: Fail to Read/Write Block (2)\n");
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+MmcDriverDiagnosticsRunDiagnostics (
+ IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
+ IN CHAR8 *Language,
+ OUT EFI_GUID **ErrorType,
+ OUT UINTN *BufferSize,
+ OUT CHAR16 **Buffer
+ )
+{
+ LIST_ENTRY *CurrentLink;
+ MMC_HOST_INSTANCE *MmcHostInstance;
+ EFI_STATUS Status;
+
+ if ((Language == NULL) ||
+ (ErrorType == NULL) ||
+ (Buffer == NULL) ||
+ (ControllerHandle == NULL) ||
+ (BufferSize == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Check Language is supported (i.e. is "en-*" - only English is supported)
+ if (AsciiStrnCmp (Language, "en", 2) != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = EFI_SUCCESS;
+ *ErrorType = NULL;
+ *BufferSize = DIAGNOSTIC_LOGBUFFER_MAXCHAR;
+ *Buffer = DiagnosticInitLog (DIAGNOSTIC_LOGBUFFER_MAXCHAR);
+
+ DiagnosticLog (L"MMC Driver Diagnostics\n");
+
+ // Find the MMC Host instance on which we have been asked to run diagnostics
+ MmcHostInstance = NULL;
+ CurrentLink = mMmcHostPool.ForwardLink;
+ while (CurrentLink != NULL && CurrentLink != &mMmcHostPool && (Status == EFI_SUCCESS)) {
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);
+ ASSERT(MmcHostInstance != NULL);
+ if (MmcHostInstance->MmcHandle == ControllerHandle) {
+ break;
+ }
+ CurrentLink = CurrentLink->ForwardLink;
+ }
+
+ // If we didn't find the controller, return EFI_UNSUPPORTED
+ if ((MmcHostInstance == NULL)
+ || (MmcHostInstance->MmcHandle != ControllerHandle)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ // LBA=1 Size=BlockSize
+ DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block\n");
+ Status = MmcReadWriteDataTest (MmcHostInstance, 1, MmcHostInstance->BlockIo.Media->BlockSize);
+
+ // LBA=2 Size=BlockSize
+ DiagnosticLog (L"MMC Driver Diagnostics - Test: Second Block\n");
+ Status = MmcReadWriteDataTest (MmcHostInstance, 2, MmcHostInstance->BlockIo.Media->BlockSize);
+
+ // LBA=10 Size=BlockSize
+ DiagnosticLog (L"MMC Driver Diagnostics - Test: Any Block\n");
+ Status = MmcReadWriteDataTest (
+ MmcHostInstance,
+ RShiftU64 (MmcHostInstance->BlockIo.Media->LastBlock, 1),
+ MmcHostInstance->BlockIo.Media->BlockSize
+ );
+
+ // LBA=LastBlock Size=BlockSize
+ DiagnosticLog (L"MMC Driver Diagnostics - Test: Last Block\n");
+ Status = MmcReadWriteDataTest (MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock, MmcHostInstance->BlockIo.Media->BlockSize);
+
+ // LBA=1 Size=2*BlockSize
+ DiagnosticLog (L"MMC Driver Diagnostics - Test: First Block / 2 BlockSSize\n");
+ Status = MmcReadWriteDataTest (MmcHostInstance, 1, 2 * MmcHostInstance->BlockIo.Media->BlockSize);
+
+ return Status;
+}
+
+//
+// EFI Driver Diagnostics 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2 = {
+ (EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) MmcDriverDiagnosticsRunDiagnostics,
+ "en"
+};
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.c new file mode 100644 index 000000000..d33f7f0a4 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.c @@ -0,0 +1,452 @@ +/** @file
+ Main file of the MMC Dxe driver. The driver entrypoint is defined into this file.
+
+ Copyright (c) 2011-2013, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Protocol/DevicePath.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DevicePathLib.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;
+
+/**
+ Event triggered by the timer to check if any cards have been removed
+ or if new ones have been plugged in
+**/
+
+EFI_EVENT gCheckCardsEvent;
+
+/**
+ 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 (MmcHost, &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);
+ }
+ if (MmcHostInstance->CardInfo.ECSDData) {
+ FreePages (MmcHostInstance->CardInfo.ECSDData, EFI_SIZE_TO_PAGES (sizeof (ECSD)));
+ }
+ 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,
+ &gEmbeddedMmcHostProtocolGuid,
+ (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,
+ &gEmbeddedMmcHostProtocolGuid,
+ 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,
+ &gEmbeddedMmcHostProtocolGuid,
+ (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);
+
+ MmcHostInstance->Initialized = FALSE;
+
+ // Detect card presence now
+ CheckCardsCallback (NULL, NULL);
+ }
+
+ 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 gEmbeddedMmcHostProtocolGuid
+ Status = gBS->CloseProtocol (
+ Controller,
+ &gEmbeddedMmcHostProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ // Remove MMC Host Instance from the pool
+ RemoveMmcHost (MmcHostInstance);
+
+ // Destroy MmcHostInstance
+ DestroyMmcHostInstance (MmcHostInstance);
+ }
+
+ return Status;
+}
+
+VOID
+EFIAPI
+CheckCardsCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ LIST_ENTRY *CurrentLink;
+ MMC_HOST_INSTANCE *MmcHostInstance;
+ EFI_STATUS Status;
+
+ CurrentLink = mMmcHostPool.ForwardLink;
+ while (CurrentLink != NULL && CurrentLink != &mMmcHostPool) {
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);
+ ASSERT(MmcHostInstance != NULL);
+
+ if (MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost) == !MmcHostInstance->Initialized) {
+ MmcHostInstance->State = MmcHwInitializationState;
+ MmcHostInstance->BlockIo.Media->MediaPresent = !MmcHostInstance->Initialized;
+ MmcHostInstance->Initialized = !MmcHostInstance->Initialized;
+
+ if (MmcHostInstance->BlockIo.Media->MediaPresent) {
+ InitializeMmcDevice (MmcHostInstance);
+ }
+
+ Status = gBS->ReinstallProtocolInterface (
+ (MmcHostInstance->MmcHandle),
+ &gEfiBlockIoProtocolGuid,
+ &(MmcHostInstance->BlockIo),
+ &(MmcHostInstance->BlockIo)
+ );
+
+ if (EFI_ERROR(Status)) {
+ Print(L"MMC Card: Error reinstalling BlockIo interface\n");
+ }
+ }
+
+ CurrentLink = CurrentLink->ForwardLink;
+ }
+}
+
+
+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);
+
+ // Use a timer to detect if a card has been plugged in or removed
+ Status = gBS->CreateEvent (
+ EVT_NOTIFY_SIGNAL | EVT_TIMER,
+ TPL_CALLBACK,
+ CheckCardsCallback,
+ NULL,
+ &gCheckCardsEvent);
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->SetTimer(
+ gCheckCardsEvent,
+ TimerPeriodic,
+ (UINT64)(10*1000*200)); // 200 ms
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.h new file mode 100644 index 000000000..df3b3cde9 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/Mmc.h @@ -0,0 +1,523 @@ +/** @file
+ Main Header file for the MMC DXE driver
+
+ Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __MMC_H
+#define __MMC_H
+
+#include <Uefi.h>
+
+#include <Protocol/DiskIo.h>
+#include <Protocol/BlockIo.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/MmcHost.h>
+
+#include <Library/UefiLib.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#define MMC_TRACE(txt) DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))
+
+#define MMC_IOBLOCKS_READ 0
+#define MMC_IOBLOCKS_WRITE 1
+
+#define MMC_OCR_POWERUP 0x80000000
+
+#define MMC_OCR_ACCESS_MASK 0x3 /* bit[30-29] */
+#define MMC_OCR_ACCESS_BYTE 0x1 /* bit[29] */
+#define MMC_OCR_ACCESS_SECTOR 0x2 /* bit[30] */
+
+#define MMC_CSD_GET_CCC(Response) (Response[2] >> 20)
+#define MMC_CSD_GET_TRANSPEED(Response) (Response[3] & 0xFF)
+#define MMC_CSD_GET_READBLLEN(Response) ((Response[2] >> 16) & 0xF)
+#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[0] >> 22) & 0xF)
+#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[0] >> 10) & 0x3)
+#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[0] >> 15) & 0x1)
+#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[1] >> 30) & 0x3) | ((Response[2] & 0x3FF) << 2))
+#define HC_MMC_CSD_GET_DEVICESIZE(Response) ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));
+#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[1] >> 15) & 0x7)
+
+#define MMC_R0_READY_FOR_DATA (1 << 8)
+
+#define MMC_R0_CURRENTSTATE(Response) ((Response[0] >> 9) & 0xF)
+
+#define MMC_R0_STATE_IDLE 0
+#define MMC_R0_STATE_READY 1
+#define MMC_R0_STATE_IDENT 2
+#define MMC_R0_STATE_STDBY 3
+#define MMC_R0_STATE_TRAN 4
+#define MMC_R0_STATE_DATA 5
+
+#define EMMC_CMD6_ARG_ACCESS(x) (((x) & 0x3) << 24)
+#define EMMC_CMD6_ARG_INDEX(x) (((x) & 0xFF) << 16)
+#define EMMC_CMD6_ARG_VALUE(x) (((x) & 0xFF) << 8)
+#define EMMC_CMD6_ARG_CMD_SET(x) (((x) & 0x7) << 0)
+
+#define SWITCH_CMD_DATA_LENGTH 64
+#define SD_HIGH_SPEED_SUPPORTED 0x20000
+#define SD_DEFAULT_SPEED 25000000
+#define SD_HIGH_SPEED 50000000
+#define SWITCH_CMD_SUCCESS_MASK 0x0f000000
+
+#define SD_CARD_CAPACITY 0x00000002
+
+#define BUSWIDTH_4 4
+
+typedef enum {
+ UNKNOWN_CARD,
+ MMC_CARD, //MMC card
+ MMC_CARD_HIGH, //MMC Card with High capacity
+ EMMC_CARD, //eMMC 4.41 card
+ SD_CARD, //SD 1.1 card
+ SD_CARD_2, //SD 2.0 or above standard card
+ SD_CARD_2_HIGH //SD 2.0 or above high capacity card
+} CARD_TYPE;
+
+typedef struct {
+ UINT32 Reserved0: 7; // 0
+ UINT32 V170_V195: 1; // 1.70V - 1.95V
+ UINT32 V200_V260: 7; // 2.00V - 2.60V
+ UINT32 V270_V360: 9; // 2.70V - 3.60V
+ UINT32 RESERVED_1: 5; // Reserved
+ UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)
+ UINT32 PowerUp: 1; // This bit is set to LOW if the card has not finished the power up routine
+} OCR;
+
+typedef struct {
+ UINT8 SD_SPEC: 4; // SD Memory Card - Spec. Version [59:56]
+ UINT8 SCR_STRUCTURE: 4; // SCR Structure [63:60]
+ UINT8 SD_BUS_WIDTHS: 4; // DAT Bus widths supported [51:48]
+ UINT8 DATA_STAT_AFTER_ERASE: 1; // Data Status after erases [55]
+ UINT8 SD_SECURITY: 3; // CPRM Security Support [54:52]
+ UINT8 EX_SECURITY_1: 1; // Extended Security Support [43]
+ UINT8 SD_SPEC4: 1; // Spec. Version 4.00 or higher [42]
+ UINT8 RESERVED_1: 2; // Reserved [41:40]
+ UINT8 SD_SPEC3: 1; // Spec. Version 3.00 or higher [47]
+ UINT8 EX_SECURITY_2: 3; // Extended Security Support [46:44]
+ UINT8 CMD_SUPPORT: 4; // Command Support bits [35:32]
+ UINT8 RESERVED_2: 4; // Reserved [39:36]
+ UINT32 RESERVED_3; // Manufacturer Usage [31:0]
+} SCR;
+
+typedef struct {
+ UINT32 NOT_USED; // 1 [0:0]
+ UINT32 CRC; // CRC7 checksum [7:1]
+ UINT32 MDT; // Manufacturing date [19:8]
+ UINT32 RESERVED_1; // Reserved [23:20]
+ UINT32 PSN; // Product serial number [55:24]
+ UINT8 PRV; // Product revision [63:56]
+ UINT8 PNM[5]; // Product name [64:103]
+ UINT16 OID; // OEM/Application ID [119:104]
+ UINT8 MID; // Manufacturer ID [127:120]
+} CID;
+
+typedef struct {
+ UINT8 NOT_USED: 1; // Not used, always 1 [0:0]
+ UINT8 CRC: 7; // CRC [7:1]
+
+ UINT8 RESERVED_1: 2; // Reserved [9:8]
+ UINT8 FILE_FORMAT: 2; // File format [11:10]
+ UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12]
+ UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]
+ UINT8 COPY: 1; // Copy flag (OTP) [14:14]
+ UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15]
+
+ UINT16 RESERVED_2: 5; // Reserved [20:16]
+ UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21]
+ UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22]
+ UINT16 R2W_FACTOR: 3; // Write speed factor [28:26]
+ UINT16 RESERVED_3: 2; // Reserved [30:29]
+ UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31]
+
+ UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32]
+ UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39]
+ UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46]
+ UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47]
+ UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50]
+ UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53]
+ UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56]
+ UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59]
+ UINT32 C_SIZELow2: 2; // Device size [63:62]
+
+ UINT32 C_SIZEHigh10: 10;// Device size [73:64]
+ UINT32 RESERVED_4: 2; // Reserved [75:74]
+ UINT32 DSR_IMP: 1; // DSR implemented [76:76]
+ UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77]
+ UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78]
+ UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79]
+ UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80]
+ UINT32 CCC: 12;// Card command classes [95:84]
+
+ UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96]
+ UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]
+ UINT8 TAAC ; // Data read access-time 1 [119:112]
+
+ UINT8 RESERVED_5: 2; // Reserved [121:120]
+ UINT8 SPEC_VERS: 4; // System specification version [125:122]
+ UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]
+} CSD;
+
+typedef struct {
+ UINT8 RESERVED_1[16]; // Reserved [15:0]
+ UINT8 SECURE_REMOVAL_TYPE; // Secure Removal Type [16:16]
+ UINT8 PRODUCT_STATE_AWARENESS_ENABLEMENT; // Product state awareness enablement [17:17]
+ UINT8 MAX_PRE_LOADING_DATA_SIZE[4]; // MAX pre loading data size [21:18]
+ UINT8 PRE_LOADING_DATA_SIZE[4]; // Pre loading data size [25:22]
+ UINT8 FFU_STATUS; // FFU Status [26:26]
+ UINT8 RESERVED_2[2]; // Reserved [28:27]
+ UINT8 MODE_OPERATION_CODES; // Mode operation codes [29:29]
+ UINT8 MODE_CONFIG; // Mode config [30:30]
+ UINT8 RESERVED_3; // Reserved [31:31]
+ UINT8 FLUSH_CACHE; // Flushing of the cache [32:32]
+ UINT8 CACHE_CTRL; // Control to turn the cache ON/OFF [33:33]
+ UINT8 POWER_OFF_NOTIFICATION; // Power Off Notification [34:34]
+ UINT8 PACKED_FAILURE_INDEX; // Packed command failure index [35:35]
+ UINT8 PACKED_COMMAND_STATUS; // Packed command status [36:36]
+ UINT8 CONTEXT_CONF[15]; // Context configuration [51:37]
+ UINT8 EXT_PARTITIONS_ATTRIBUTE[2]; // Extended partitions attribute [53:52]
+ UINT8 EXCEPTION_EVENTS_STATUS[2]; // Exception events status [55:54]
+ UINT8 EXCEPTION_EVENTS_CTRL[2]; // Exception events control [57:56]
+ UINT8 DYNCAP_NEEDED; // Number of addressed group to be released [58:58]
+ UINT8 CLASS_6_CTRL; // Class 6 commands control [59:59]
+ UINT8 INI_TIMEOUT_EMU; // 1st initialization after disabling sector size emulation [60:60]
+ UINT8 DATA_SECTOR_SIZE; // Sector size [61:61]
+ UINT8 USE_NATIVE_SECTOR; // Sector size emulation [62:62]
+ UINT8 NATIVE_SECTOR_SIZE; // Native sector size [63:63]
+ UINT8 VENDOR_SPECIFIC_FIELD[64]; // Vendor specific fields [127:64]
+ UINT8 RESERVED_4[2]; // Reserved [129:128]
+ UINT8 PROGRAM_CID_CSD_DDR_SUPPORT; // Program CID/CSD in DDR mode support [130:130]
+ UINT8 PERIODIC_WAKEUP; // Periodic wake-up [131:131]
+ UINT8 TCASE_SUPPORT; // Package case temperature is controlled [132:132]
+ UINT8 PRODUCTION_STATE_AWARENESS; // Production state awareness [133:133]
+ UINT8 SECTOR_BAD_BLK_MGMNT; // Bad block management mode [134:134]
+ UINT8 RESERVED_5; // Reserved [135:135]
+ UINT8 ENH_START_ADDR[4]; // Enhanced user data start address [139:136]
+ UINT8 ENH_SIZE_MULT[3]; // Enhanced user data area size [142:140]
+ UINT8 GP_SIZE_MULT[12]; // General purpose partition size [154:143]
+ UINT8 PARTITION_SETTING_COMPLETED; // Partitioning setting [155:155]
+ UINT8 PARTITIONS_ATTRIBUTE; // Partitions attribute [156:156]
+ UINT8 MAX_ENH_SIZE_MULT[3]; // Max enhanced area size [159:157]
+ UINT8 PARTITIONING_SUPPORT; // Partitioning [160:160]
+ UINT8 HPI_MGMT; // HPI management [161:161]
+ UINT8 RST_N_FUNCTION; // H/W reset function [162:162]
+ UINT8 BKOPS_EN; // Enable background operations handshake [163:163]
+ UINT8 BKOPS_START; // Manually start background operations [164:164]
+ UINT8 SANITIZE_START; // Start sanitize operation [165:165]
+ UINT8 WR_REL_PARAM; // Write reliability parameter register [166:166]
+ UINT8 WR_REL_SET; // Write reliability setting register [167:167]
+ UINT8 RPMB_SIZE_MULT; // RPMB size [168:168]
+ UINT8 FW_CONFIG; // FW configuration [169:169]
+ UINT8 RESERVED_6; // Reserved [170:170]
+ UINT8 USER_WP; // User area write protection register [171:171]
+ UINT8 RESERVED_7; // Reserved [172:172]
+ UINT8 BOOT_WP; // Boot area write protection register [173:173]
+ UINT8 BOOT_WP_STATUS; // Boot write protection register [174:174]
+ UINT8 ERASE_GROUP_DEF; // High-density erase group definition [175:175]
+ UINT8 RESERVED_8; // Reserved [176:176]
+ UINT8 BOOT_BUS_CONDITIONS; // Boot bus conditions [177:177]
+ UINT8 BOOT_CONFIG_PROT; // Boot config protection [178:178]
+ UINT8 PARTITION_CONFIG; // Partition config [179:179]
+ UINT8 RESERVED_9; // Reserved [180:180]
+ UINT8 ERASED_MEM_CONT; // Erased memory content [181:181]
+ UINT8 RESERVED_10; // Reserved [182:182]
+ UINT8 BUS_WIDTH; // Bus width mode [183:183]
+ UINT8 RESERVED_11; // Reserved [184:184]
+ UINT8 HS_TIMING; // High-speed interface timing [185:185]
+ UINT8 RESERVED_12; // Reserved [186:186]
+ UINT8 POWER_CLASS; // Power class [187:187]
+ UINT8 RESERVED_13; // Reserved [188:188]
+ UINT8 CMD_SET_REV; // Command set revision [189:189]
+ UINT8 RESERVED_14; // Reserved [190:190]
+ UINT8 CMD_SET; // Command set [191:191]
+ UINT8 EXT_CSD_REV; // Extended CSD revision [192:192]
+ UINT8 RESERVED_15; // Reserved [193:193]
+ UINT8 CSD_STRUCTURE; // CSD Structure [194:194]
+ UINT8 RESERVED_16; // Reserved [195:195]
+ UINT8 DEVICE_TYPE; // Device type [196:196]
+ UINT8 DRIVER_STRENGTH; // I/O Driver strength [197:197]
+ UINT8 OUT_OF_INTERRUPT_TIME; // Out-of-interrupt busy timing [198:198]
+ UINT8 PARTITION_SWITCH_TIME; // Partition switching timing [199:199]
+ UINT8 PWR_CL_52_195; // Power class for 52MHz at 1.95V 1 R [200:200]
+ UINT8 PWR_CL_26_195; // Power class for 26MHz at 1.95V 1 R [201:201]
+ UINT8 PWR_CL_52_360; // Power class for 52MHz at 3.6V 1 R [202:202]
+ UINT8 PWR_CL_26_360; // Power class for 26MHz at 3.6V 1 R [203:203]
+ UINT8 RESERVED_17; // Reserved [204:204]
+ UINT8 MIN_PERF_R_4_26; // Minimum read performance for 4bit at 26MHz [205:205]
+ UINT8 MIN_PERF_W_4_26; // Minimum write performance for 4bit at 26MHz [206:206]
+ UINT8 MIN_PERF_R_8_26_4_52; // Minimum read performance for 8bit at 26MHz, for 4bit at 52MHz [207:207]
+ UINT8 MIN_PERF_W_8_26_4_52; // Minimum write performance for 8bit at 26MHz, for 4bit at 52MHz [208:208]
+ UINT8 MIN_PERF_R_8_52; // Minimum read performance for 8bit at 52MHz [209:209]
+ UINT8 MIN_PERF_W_8_52; // Minimum write performance for 8bit at 52MHz [210:210]
+ UINT8 RESERVED_18; // Reserved [211:211]
+ UINT32 SECTOR_COUNT; // Sector count [215:212]
+ UINT8 SLEEP_NOTIFICATION_TIME; // Sleep notification timeout [216:216]
+ UINT8 S_A_TIMEOUT; // Sleep/awake timeout [217:217]
+ UINT8 PRODUCTION_STATE_AWARENESS_TIMEOUT; // Production state awareness timeout [218:218]
+ UINT8 S_C_VCCQ; // Sleep current (VCCQ) [219:219]
+ UINT8 S_C_VCC; // Sleep current (VCC) [220:220]
+ UINT8 HC_WP_GRP_SIZE; // High-capacity write protect group size [221:221]
+ UINT8 REL_WR_SECTOR_C; // Reliable write sector count [222:222]
+ UINT8 ERASE_TIMEOUT_MULT; // High-capacity erase timeout [223:223]
+ UINT8 HC_ERASE_GRP_SIZE; // High-capacity erase unit size [224:224]
+ UINT8 ACC_SIZE; // Access size [225:225]
+ UINT8 BOOT_SIZE_MULTI; // Boot partition size [226:226]
+ UINT8 RESERVED_19; // Reserved [227:227]
+ UINT8 BOOT_INFO; // Boot information [228:228]
+ UINT8 SECURE_TRIM_MULT; // Secure TRIM Multiplier [229:229]
+ UINT8 SECURE_ERASE_MULT; // Secure Erase Multiplier [230:230]
+ UINT8 SECURE_FEATURE_SUPPORT; // Secure Feature Support [231:231]
+ UINT8 TRIM_MULT; // TRIM Multiplier [232:232]
+ UINT8 RESERVED_20; // Reserved [233:233]
+ UINT8 MIN_PREF_DDR_R_8_52; // Minimum read performance for 8bit at 52MHz in DDR mode [234:234]
+ UINT8 MIN_PREF_DDR_W_8_52; // Minimum write performance for 8bit at 52MHz in DDR mode [235:235]
+ UINT8 PWR_CL_200_130; // Power class for 200MHz at VCCQ=1.3V, VCC=3.6V [236:236]
+ UINT8 PWR_CL_200_195; // Power class for 200MHz at VCCQ=1.95V, VCC=3.6V [237:237]
+ UINT8 PWR_CL_DDR_52_195; // Power class for 52MHz, DDR at 1.95V [238:238]
+ UINT8 PWR_CL_DDR_52_360; // Power class for 52Mhz, DDR at 3.6V [239:239]
+ UINT8 RESERVED_21; // Reserved [240:240]
+ UINT8 INI_TIMEOUT_AP; // 1st initialization time after partitioning [241:241]
+ UINT8 CORRECTLY_PRG_SECTORS_NUM[4]; // Number of correctly programmed sectors [245:242]
+ UINT8 BKOPS_STATUS; // Background operations status [246:246]
+ UINT8 POWER_OFF_LONG_TIME; // Power off notification (long) timeout [247:247]
+ UINT8 GENERIC_CMD6_TIME; // Generic CMD6 timeout [248:248]
+ UINT8 CACHE_SIZE[4]; // Cache size [252:249]
+ UINT8 PWR_CL_DDR_200_360; // Power class for 200MHz, DDR at VCC=3.6V [253:253]
+ UINT8 FIRMWARE_VERSION[8]; // Firmware version [261:254]
+ UINT8 DEVICE_VERSION[2]; // Device version [263:262]
+ UINT8 OPTIMAL_TRIM_UNIT_SIZE; // Optimal trim unit size [264:264]
+ UINT8 OPTIMAL_WRITE_SIZE; // Optimal write size [265:265]
+ UINT8 OPTIMAL_READ_SIZE; // Optimal read size [266:266]
+ UINT8 PRE_EOL_INFO; // Pre EOL information [267:267]
+ UINT8 DEVICE_LIFE_TIME_EST_TYP_A; // Device life time estimation type A [268:268]
+ UINT8 DEVICE_LIFE_TIME_EST_TYP_B; // Device life time estimation type B [269:269]
+ UINT8 VENDOR_PROPRIETARY_HEALTH_REPORT[32]; // Vendor proprietary health report [301:270]
+ UINT8 NUMBER_OF_FW_SECTORS_CORRECTLY_PROGRAMMED[4]; // Number of FW sectors correctly programmed [305:302]
+ UINT8 RESERVED_22[181]; // Reserved [486:306]
+ UINT8 FFU_ARG[4]; // FFU argument [490:487]
+ UINT8 OPERATION_CODE_TIMEOUT; // Operation codes timeout [491:491]
+ UINT8 FFU_FEATURES; // FFU features [492:492]
+ UINT8 SUPPORTED_MODES; // Supported modes [493:493]
+ UINT8 EXT_SUPPORT; // Extended partitions attribute support [494:494]
+ UINT8 LARGE_UNIT_SIZE_M1; // Large unit size [495:495]
+ UINT8 CONTEXT_CAPABILITIES; // Context management capabilities [496:496]
+ UINT8 TAG_RES_SIZE; // Tag resource size [497:497]
+ UINT8 TAG_UNIT_SIZE; // Tag unit size [498:498]
+ UINT8 DATA_TAG_SUPPORT; // Data tag support [499:499]
+ UINT8 MAX_PACKED_WRITES; // Max packed write commands [500:500]
+ UINT8 MAX_PACKED_READS; // Max packed read commands [501:501]
+ UINT8 BKOPS_SUPPORT; // Background operations support [502:502]
+ UINT8 HPI_FEATURES; // HPI features [503:503]
+ UINT8 S_CMD_SET; // Supported command sets [504:504]
+ UINT8 EXT_SECURITY_ERR; // Extended security commands error [505:505]
+ UINT8 RESERVED_23[6]; // Reserved [511:506]
+} ECSD;
+
+typedef struct {
+ UINT16 RCA;
+ CARD_TYPE CardType;
+ OCR OCRData;
+ CID CIDData;
+ CSD CSDData;
+ ECSD *ECSDData; // MMC V4 extended card specific
+} CARD_INFO;
+
+typedef struct _MMC_HOST_INSTANCE {
+ UINTN Signature;
+ LIST_ENTRY Link;
+ EFI_HANDLE MmcHandle;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ MMC_STATE State;
+ EFI_BLOCK_IO_PROTOCOL BlockIo;
+ CARD_INFO CardInfo;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+
+ BOOLEAN Initialized;
+} MMC_HOST_INSTANCE;
+
+#define MMC_HOST_INSTANCE_SIGNATURE SIGNATURE_32('m', 'm', 'c', 'h')
+#define MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(a) CR (a, MMC_HOST_INSTANCE, BlockIo, MMC_HOST_INSTANCE_SIGNATURE)
+#define MMC_HOST_INSTANCE_FROM_LINK(a) CR (a, MMC_HOST_INSTANCE, Link, MMC_HOST_INSTANCE_SIGNATURE)
+
+
+EFI_STATUS
+EFIAPI
+MmcGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+EFI_STATUS
+EFIAPI
+MmcGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+extern EFI_COMPONENT_NAME_PROTOCOL gMmcComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gMmcComponentName2;
+
+extern EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2;
+
+extern LIST_ENTRY mMmcHostPool;
+
+/**
+ Reset the block device.
+
+ This function implements EFI_BLOCK_IO_PROTOCOL.Reset().
+ It resets the block device hardware.
+ ExtendedVerification is ignored in this implementation.
+
+ @param This Indicates a pointer to the calling context.
+ @param ExtendedVerification Indicates that the driver may perform a more exhaustive
+ verification operation of the device during reset.
+
+ @retval EFI_SUCCESS The block device was reset.
+ @retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ );
+
+/**
+ Reads the requested number of blocks from the device.
+
+ This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
+ It reads the requested number of blocks from the device.
+ All the blocks are read, or an error is returned.
+
+ @param This Indicates a pointer to the calling context.
+ @param MediaId The media ID that the read request is for.
+ @param Lba The starting logical block address to read from on the device.
+ @param BufferSize The size of the Buffer in bytes.
+ This must be a multiple of the intrinsic block size of the device.
+ @param Buffer A pointer to the destination buffer for the data. The caller is
+ responsible for either having implicit or explicit ownership of the buffer.
+
+ @retval EFI_SUCCESS The data was read correctly from the device.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
+ @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
+ or the buffer is not on proper alignment.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcReadBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ );
+
+/**
+ Writes a specified number of blocks to the device.
+
+ This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().
+ It writes a specified number of blocks to the device.
+ All blocks are written, or an error is returned.
+
+ @param This Indicates a pointer to the calling context.
+ @param MediaId The media ID that the write request is for.
+ @param Lba The starting logical block address to be written.
+ @param BufferSize The size of the Buffer in bytes.
+ This must be a multiple of the intrinsic block size of the device.
+ @param Buffer Pointer to the source buffer for the data.
+
+ @retval EFI_SUCCESS The data were written correctly to the device.
+ @retval EFI_WRITE_PROTECTED The device cannot be written to.
+ @retval EFI_NO_MEDIA There is no media in the device.
+ @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.
+ @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic
+ block size of the device.
+ @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
+ or the buffer is not on proper alignment.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcWriteBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ );
+
+/**
+ Flushes all modified data to a physical block device.
+
+ @param This Indicates a pointer to the calling context.
+
+ @retval EFI_SUCCESS All outstanding data were written correctly to the device.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.
+ @retval EFI_NO_MEDIA There is no media in the device.
+
+**/
+EFI_STATUS
+EFIAPI
+MmcFlushBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This
+ );
+
+EFI_STATUS
+MmcNotifyState (
+ IN MMC_HOST_INSTANCE *MmcHostInstance,
+ IN MMC_STATE State
+ );
+
+EFI_STATUS
+InitializeMmcDevice (
+ IN MMC_HOST_INSTANCE *MmcHost
+ );
+
+VOID
+EFIAPI
+CheckCardsCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+VOID
+PrintCSD (
+ IN UINT32* Csd
+ );
+
+VOID
+PrintRCA (
+ IN UINT32 Rca
+ );
+
+VOID
+PrintOCR (
+ IN UINT32 Ocr
+ );
+
+VOID
+PrintResponseR1 (
+ IN UINT32 Response
+ );
+
+VOID
+PrintCID (
+ IN UINT32* Cid
+ );
+
+#endif
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c new file mode 100644 index 000000000..2a5d72d4d --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c @@ -0,0 +1,396 @@ +/** @file
+*
+* Copyright (c) 2011-2020, ARM Limited. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include <Library/BaseMemoryLib.h>
+
+#include "Mmc.h"
+
+EFI_STATUS
+MmcNotifyState (
+ IN MMC_HOST_INSTANCE *MmcHostInstance,
+ IN MMC_STATE State
+ )
+{
+ MmcHostInstance->State = State;
+ return MmcHostInstance->MmcHost->NotifyState (MmcHostInstance->MmcHost, State);
+}
+
+EFI_STATUS
+EFIAPI
+MmcGetCardStatus (
+ IN MMC_HOST_INSTANCE *MmcHostInstance
+ )
+{
+ EFI_STATUS Status;
+ UINT32 Response[4];
+ UINTN CmdArg;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+
+ Status = EFI_SUCCESS;
+ MmcHost = MmcHostInstance->MmcHost;
+ CmdArg = 0;
+
+ if (MmcHost == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if (MmcHostInstance->State != MmcHwInitializationState) {
+ //Get the Status of the card.
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));
+ return Status;
+ }
+
+ //Read Response
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);
+ PrintResponseR1 (Response[0]);
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+MmcReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ MMC_HOST_INSTANCE *MmcHostInstance;
+
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);
+
+ if (MmcHostInstance->MmcHost == NULL) {
+ // Nothing to do
+ return EFI_SUCCESS;
+ }
+
+ // If a card is not present then clear all media settings
+ if (!MmcHostInstance->MmcHost->IsCardPresent (MmcHostInstance->MmcHost)) {
+ MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;
+ MmcHostInstance->BlockIo.Media->LastBlock = 0;
+ MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo
+ MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;
+
+ // Indicate that the driver requires initialization
+ MmcHostInstance->State = MmcHwInitializationState;
+
+ return EFI_SUCCESS;
+ }
+
+ // Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn
+ // on power and restart Identification mode
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+MmcDetectCard (
+ EFI_MMC_HOST_PROTOCOL *MmcHost
+ )
+{
+ if (!MmcHost->IsCardPresent (MmcHost)) {
+ return EFI_NO_MEDIA;
+ } else {
+ return EFI_SUCCESS;
+ }
+}
+
+EFI_STATUS
+MmcStopTransmission (
+ EFI_MMC_HOST_PROTOCOL *MmcHost
+ )
+{
+ EFI_STATUS Status;
+ UINT32 Response[4];
+ // Command 12 - Stop transmission (ends read or write)
+ // Normally only needed for streaming transfers or after error.
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);
+ if (!EFI_ERROR (Status)) {
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);
+ }
+ return Status;
+}
+
+#define MMCI0_BLOCKLEN 512
+#define MMCI0_TIMEOUT 10000
+
+STATIC
+EFI_STATUS
+MmcTransferBlock (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINTN Cmd,
+ IN UINTN Transfer,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ )
+{
+ EFI_STATUS Status;
+ UINTN CmdArg;
+ INTN Timeout;
+ UINT32 Response[4];
+ MMC_HOST_INSTANCE *MmcHostInstance;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);
+ MmcHost = MmcHostInstance->MmcHost;
+
+ if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {
+ //Set command argument based on the card capacity
+ //if 0 : SDSC card
+ //if 1 : SDXC/SDHC
+ if (MmcHostInstance->CardInfo.OCRData.AccessMode & SD_CARD_CAPACITY) {
+ CmdArg = Lba;
+ } else {
+ CmdArg = MultU64x32 (Lba, This->Media->BlockSize);
+ }
+ } else {
+ //Set command argument based on the card access mode (Byte mode or Block mode)
+ if ((MmcHostInstance->CardInfo.OCRData.AccessMode & MMC_OCR_ACCESS_MASK) ==
+ MMC_OCR_ACCESS_SECTOR) {
+ CmdArg = Lba;
+ } else {
+ CmdArg = MultU64x32 (Lba, This->Media->BlockSize);
+ }
+ }
+
+ Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a(MMC_CMD%d): Error %r\n", __func__, Cmd, Status));
+ return Status;
+ }
+
+ if (Transfer == MMC_IOBLOCKS_READ) {
+ // Read Data
+ Status = MmcHost->ReadBlockData (MmcHost, Lba, BufferSize, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_BLKIO, "%a(): Error Read Block Data and Status = %r\n", __func__, Status));
+ MmcStopTransmission (MmcHost);
+ return Status;
+ }
+ Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a() : Error MmcProgrammingState\n", __func__));
+ return Status;
+ }
+ } else {
+ // Write Data
+ Status = MmcHost->WriteBlockData (MmcHost, Lba, BufferSize, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_BLKIO, "%a(): Error Write Block Data and Status = %r\n", __func__, Status));
+ MmcStopTransmission (MmcHost);
+ return Status;
+ }
+ }
+
+ // Command 13 - Read status and wait for programming to complete (return to tran)
+ Timeout = MMCI0_TIMEOUT;
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Response[0] = 0;
+ while(!(Response[0] & MMC_R0_READY_FOR_DATA)
+ && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)
+ && Timeout--) {
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);
+ if (!EFI_ERROR (Status)) {
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);
+ if (Response[0] & MMC_R0_READY_FOR_DATA) {
+ break; // Prevents delay once finished
+ }
+ }
+ }
+
+ if (BufferSize > This->Media->BlockSize) {
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD12, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_BLKIO, "%a(): Error and Status:%r\n", __func__, Status));
+ }
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1b, Response);
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcTransferState\n"));
+ return Status;
+ }
+ return Status;
+}
+
+EFI_STATUS
+MmcIoBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINTN Transfer,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ )
+{
+ UINT32 Response[4];
+ EFI_STATUS Status;
+ UINTN CmdArg;
+ INTN Timeout;
+ UINTN Cmd;
+ MMC_HOST_INSTANCE *MmcHostInstance;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+ UINTN BytesRemainingToBeTransfered;
+ UINTN BlockCount;
+ UINTN ConsumeSize;
+ UINT32 MaxBlock;
+ UINTN RemainingBlock;
+
+ BlockCount = 1;
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS (This);
+ ASSERT (MmcHostInstance != NULL);
+ MmcHost = MmcHostInstance->MmcHost;
+ ASSERT (MmcHost);
+
+ if (This->Media->MediaId != MediaId) {
+ return EFI_MEDIA_CHANGED;
+ }
+
+ if ((MmcHost == NULL) || (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Check if a Card is Present
+ if (!MmcHostInstance->BlockIo.Media->MediaPresent) {
+ return EFI_NO_MEDIA;
+ }
+
+ // Reading 0 Byte is valid
+ if (BufferSize == 0) {
+ return EFI_SUCCESS;
+ }
+
+ // The buffer size must be an exact multiple of the block size
+ if ((BufferSize % This->Media->BlockSize) != 0) {
+ return EFI_BAD_BUFFER_SIZE;
+ }
+
+ if (MMC_HOST_HAS_ISMULTIBLOCK(MmcHost) && MmcHost->IsMultiBlock(MmcHost)) {
+ BlockCount = BufferSize / This->Media->BlockSize;
+ }
+
+ // All blocks must be within the device
+ if ((Lba + (BufferSize / This->Media->BlockSize)) > (This->Media->LastBlock + 1)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((Transfer == MMC_IOBLOCKS_WRITE) && (This->Media->ReadOnly == TRUE)) {
+ return EFI_WRITE_PROTECTED;
+ }
+
+ // Check the alignment
+ if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Max block number in single cmd is 65535 blocks.
+ MaxBlock = 0xFFFF;
+ RemainingBlock = BlockCount;
+ BytesRemainingToBeTransfered = BufferSize;
+ while (BytesRemainingToBeTransfered > 0) {
+
+ if (RemainingBlock <= MaxBlock) {
+ BlockCount = RemainingBlock;
+ } else {
+ BlockCount = MaxBlock;
+ }
+
+ // Check if the Card is in Ready status
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Response[0] = 0;
+ Timeout = 20;
+ while( (!(Response[0] & MMC_R0_READY_FOR_DATA))
+ && (MMC_R0_CURRENTSTATE (Response) != MMC_R0_STATE_TRAN)
+ && Timeout--) {
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD13, CmdArg);
+ if (!EFI_ERROR (Status)) {
+ MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);
+ }
+ }
+
+ if (0 == Timeout) {
+ DEBUG ((EFI_D_ERROR, "The Card is busy\n"));
+ return EFI_NOT_READY;
+ }
+
+ if (Transfer == MMC_IOBLOCKS_READ) {
+ if (BlockCount == 1) {
+ // Read a single block
+ Cmd = MMC_CMD17;
+ } else {
+ // Read multiple blocks
+ Cmd = MMC_CMD18;
+ }
+ } else {
+ if (BlockCount == 1) {
+ // Write a single block
+ Cmd = MMC_CMD24;
+ } else {
+ // Write multiple blocks
+ Cmd = MMC_CMD25;
+ }
+ }
+
+ ConsumeSize = BlockCount * This->Media->BlockSize;
+ if (BytesRemainingToBeTransfered < ConsumeSize) {
+ ConsumeSize = BytesRemainingToBeTransfered;
+ }
+ Status = MmcTransferBlock (This, Cmd, Transfer, MediaId, Lba, ConsumeSize, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a(): Failed to transfer block and Status:%r\n", __func__, Status));
+ }
+
+ RemainingBlock -= BlockCount;
+ BytesRemainingToBeTransfered -= ConsumeSize;
+ if (BytesRemainingToBeTransfered > 0) {
+ Lba += BlockCount;
+ Buffer = (UINT8 *)Buffer + ConsumeSize;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+MmcReadBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ OUT VOID *Buffer
+ )
+{
+ return MmcIoBlocks (This, MMC_IOBLOCKS_READ, MediaId, Lba, BufferSize, Buffer);
+}
+
+EFI_STATUS
+EFIAPI
+MmcWriteBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN UINT32 MediaId,
+ IN EFI_LBA Lba,
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ )
+{
+ return MmcIoBlocks (This, MMC_IOBLOCKS_WRITE, MediaId, Lba, BufferSize, Buffer);
+}
+
+EFI_STATUS
+EFIAPI
+MmcFlushBlocks (
+ IN EFI_BLOCK_IO_PROTOCOL *This
+ )
+{
+ return EFI_SUCCESS;
+}
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c new file mode 100644 index 000000000..36b45e6e6 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c @@ -0,0 +1,162 @@ +/** @file
+*
+* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include "Mmc.h"
+
+#if !defined(MDEPKG_NDEBUG)
+CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",
+ "Unknown", "Unknown", "Unknown", "Unknown" };
+CONST CHAR8* mStrValue[] = { "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0", "3.5", "4.0", "4.5", "5.0",
+ "Unknown", "Unknown", "Unknown", "Unknown" };
+#endif
+
+VOID
+PrintCID (
+ IN UINT32* Cid
+ )
+{
+ DEBUG ((EFI_D_ERROR, "- PrintCID\n"));
+ DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));
+ DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));
+ DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));
+ //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));
+ DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));
+}
+
+
+VOID
+PrintCSD (
+ IN UINT32* Csd
+ )
+{
+ UINTN Value;
+
+ if (((Csd[2] >> 30) & 0x3) == 0) {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));
+ } else if (((Csd[2] >> 30) & 0x3) == 1) {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));
+ }
+
+ DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC (Csd)));
+ DEBUG ((EFI_D_ERROR, "\t- Speed: %a %a\n",mStrValue[(MMC_CSD_GET_TRANSPEED (Csd) >> 3) & 0xF],mStrUnit[MMC_CSD_GET_TRANSPEED (Csd) & 7]));
+ DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN (Csd)-1)));
+ DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN (Csd)-1)));
+
+ if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) {
+ Value = MMC_CSD_GET_FILEFORMAT (Csd);
+ if (Value == 0) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));
+ } else if (Value == 1) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
+ } else if (Value == 2) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n"));
+ }
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));
+ }
+}
+
+VOID
+PrintRCA (
+ IN UINT32 Rca
+ )
+{
+ DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca));
+ DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));
+ DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));
+}
+
+VOID
+PrintOCR (
+ IN UINT32 Ocr
+ )
+{
+ UINTN MinV;
+ UINTN MaxV;
+ UINTN Volts;
+ UINTN Loop;
+
+ MinV = 36; // 3.6
+ MaxV = 20; // 2.0
+ Volts = 20; // 2.0
+
+ // The MMC register bits [23:8] indicate the working range of the card
+ for (Loop = 8; Loop < 24; Loop++) {
+ if (Ocr & (1 << Loop)) {
+ if (MinV > Volts) {
+ MinV = Volts;
+ }
+ if (MaxV < Volts) {
+ MaxV = Volts + 1;
+ }
+ }
+ Volts++;
+ }
+
+ DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));
+ DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));
+ if (((Ocr >> 29) & 3) == 0) {
+ DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));
+ }
+
+ if (Ocr & MMC_OCR_POWERUP) {
+ DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));
+ }
+}
+
+VOID
+PrintResponseR1 (
+ IN UINT32 Response
+ )
+{
+ DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response));
+ if (Response & MMC_R0_READY_FOR_DATA) {
+ DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n"));
+ }
+
+ switch ((Response >> 9) & 0xF) {
+ case 0:
+ DEBUG ((EFI_D_INFO, "\t- State: Idle\n"));
+ break;
+ case 1:
+ DEBUG ((EFI_D_INFO, "\t- State: Ready\n"));
+ break;
+ case 2:
+ DEBUG ((EFI_D_INFO, "\t- State: Ident\n"));
+ break;
+ case 3:
+ DEBUG ((EFI_D_INFO, "\t- State: StandBy\n"));
+ break;
+ case 4:
+ DEBUG ((EFI_D_INFO, "\t- State: Tran\n"));
+ break;
+ case 5:
+ DEBUG ((EFI_D_INFO, "\t- State: Data\n"));
+ break;
+ case 6:
+ DEBUG ((EFI_D_INFO, "\t- State: Rcv\n"));
+ break;
+ case 7:
+ DEBUG ((EFI_D_INFO, "\t- State: Prg\n"));
+ break;
+ case 8:
+ DEBUG ((EFI_D_INFO, "\t- State: Dis\n"));
+ break;
+ default:
+ DEBUG ((EFI_D_INFO, "\t- State: Reserved\n"));
+ break;
+ }
+}
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf new file mode 100644 index 000000000..7a38bb4c7 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf @@ -0,0 +1,45 @@ +#/** @file
+# Build file for the MMC DXE driver
+#
+# Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = MmcDxe
+ FILE_GUID = b6f44cc0-9e45-11df-be21-0002a5d5c51b
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = MmcDxeInitialize
+
+[Sources.common]
+ ComponentName.c
+ Mmc.c
+ MmcBlockIo.c
+ MmcIdentification.c
+ MmcDebug.c
+ Diagnostics.c
+
+[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ UefiLib
+ UefiDriverEntryPoint
+ BaseMemoryLib
+
+[Protocols]
+ gEfiDiskIoProtocolGuid
+ gEfiBlockIoProtocolGuid
+ gEfiDevicePathProtocolGuid
+ gEmbeddedMmcHostProtocolGuid
+ gEfiDriverDiagnostics2ProtocolGuid
+
+[Depex]
+ TRUE
diff --git a/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c new file mode 100755 index 000000000..4dc0be125 --- /dev/null +++ b/roms/edk2/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c @@ -0,0 +1,799 @@ +/** @file
+*
+* Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/TimerLib.h>
+
+#include "Mmc.h"
+
+typedef union {
+ UINT32 Raw;
+ OCR Ocr;
+} OCR_RESPONSE;
+
+#define MAX_RETRY_COUNT 1000
+#define CMD_RETRY_COUNT 20
+#define RCA_SHIFT_OFFSET 16
+#define EMMC_CARD_SIZE 512
+#define EMMC_ECSD_SIZE_OFFSET 53
+
+#define EXTCSD_BUS_WIDTH 183
+#define EXTCSD_HS_TIMING 185
+
+#define EMMC_TIMING_BACKWARD 0
+#define EMMC_TIMING_HS 1
+#define EMMC_TIMING_HS200 2
+#define EMMC_TIMING_HS400 3
+
+#define EMMC_BUS_WIDTH_1BIT 0
+#define EMMC_BUS_WIDTH_4BIT 1
+#define EMMC_BUS_WIDTH_8BIT 2
+#define EMMC_BUS_WIDTH_DDR_4BIT 5
+#define EMMC_BUS_WIDTH_DDR_8BIT 6
+
+#define EMMC_SWITCH_ERROR (1 << 7)
+
+#define SD_BUS_WIDTH_1BIT (1 << 0)
+#define SD_BUS_WIDTH_4BIT (1 << 2)
+
+#define SD_CCC_SWITCH (1 << 10)
+
+#define DEVICE_STATE(x) (((x) >> 9) & 0xf)
+typedef enum _EMMC_DEVICE_STATE {
+ EMMC_IDLE_STATE = 0,
+ EMMC_READY_STATE,
+ EMMC_IDENT_STATE,
+ EMMC_STBY_STATE,
+ EMMC_TRAN_STATE,
+ EMMC_DATA_STATE,
+ EMMC_RCV_STATE,
+ EMMC_PRG_STATE,
+ EMMC_DIS_STATE,
+ EMMC_BTST_STATE,
+ EMMC_SLP_STATE
+} EMMC_DEVICE_STATE;
+
+UINT32 mEmmcRcaCount = 0;
+
+STATIC
+EFI_STATUS
+EFIAPI
+EmmcGetDeviceState (
+ IN MMC_HOST_INSTANCE *MmcHostInstance,
+ OUT EMMC_DEVICE_STATE *State
+ )
+{
+ EFI_MMC_HOST_PROTOCOL *Host;
+ EFI_STATUS Status;
+ UINT32 Data, RCA;
+
+ if (State == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Host = MmcHostInstance->MmcHost;
+ RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;
+ Status = Host->SendCommand (Host, MMC_CMD13, RCA);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get card status, Status=%r.\n", Status));
+ return Status;
+ }
+ Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R1, &Data);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to get response of CMD13, Status=%r.\n", Status));
+ return Status;
+ }
+ if (Data & EMMC_SWITCH_ERROR) {
+ DEBUG ((EFI_D_ERROR, "EmmcGetDeviceState(): Failed to switch expected mode, Status=%r.\n", Status));
+ return EFI_DEVICE_ERROR;
+ }
+ *State = DEVICE_STATE(Data);
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+EmmcSetEXTCSD (
+ IN MMC_HOST_INSTANCE *MmcHostInstance,
+ UINT32 ExtCmdIndex,
+ UINT32 Value
+ )
+{
+ EFI_MMC_HOST_PROTOCOL *Host;
+ EMMC_DEVICE_STATE State;
+ EFI_STATUS Status;
+ UINT32 Argument;
+
+ Host = MmcHostInstance->MmcHost;
+ Argument = EMMC_CMD6_ARG_ACCESS(3) | EMMC_CMD6_ARG_INDEX(ExtCmdIndex) |
+ EMMC_CMD6_ARG_VALUE(Value) | EMMC_CMD6_ARG_CMD_SET(1);
+ Status = Host->SendCommand (Host, MMC_CMD6, Argument);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to send CMD6, Status=%r.\n", Status));
+ return Status;
+ }
+ // Make sure device exiting prog mode
+ do {
+ Status = EmmcGetDeviceState (MmcHostInstance, &State);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcSetEXTCSD(): Failed to get device state, Status=%r.\n", Status));
+ return Status;
+ }
+ } while (State == EMMC_PRG_STATE);
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+EmmcIdentificationMode (
+ IN MMC_HOST_INSTANCE *MmcHostInstance,
+ IN OCR_RESPONSE Response
+ )
+{
+ EFI_MMC_HOST_PROTOCOL *Host;
+ EFI_BLOCK_IO_MEDIA *Media;
+ EFI_STATUS Status;
+ EMMC_DEVICE_STATE State;
+ UINT32 RCA;
+
+ Host = MmcHostInstance->MmcHost;
+ Media = MmcHostInstance->BlockIo.Media;
+
+ // Fetch card identity register
+ Status = Host->SendCommand (Host, MMC_CMD2, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD2, Status=%r.\n", Status));
+ return Status;
+ }
+
+ Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CIDData));
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CID retrieval error, Status=%r.\n", Status));
+ return Status;
+ }
+
+ // Assign a relative address value to the card
+ MmcHostInstance->CardInfo.RCA = ++mEmmcRcaCount; // TODO: might need a more sophisticated way of doing this
+ RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;
+ Status = Host->SendCommand (Host, MMC_CMD3, RCA);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): RCA set error, Status=%r.\n", Status));
+ return Status;
+ }
+
+ // Fetch card specific data
+ Status = Host->SendCommand (Host, MMC_CMD9, RCA);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD9, Status=%r.\n", Status));
+ return Status;
+ }
+
+ Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CSDData));
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CSD retrieval error, Status=%r.\n", Status));
+ return Status;
+ }
+
+ // Select the card
+ Status = Host->SendCommand (Host, MMC_CMD7, RCA);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Card selection error, Status=%r.\n", Status));
+ }
+
+ if (MMC_HOST_HAS_SETIOS(Host)) {
+ // Set 1-bit bus width
+ Status = Host->SetIos (Host, 0, 1, EMMCBACKWARD);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set 1-bit bus width error, Status=%r.\n", Status));
+ return Status;
+ }
+
+ // Set 1-bit bus width for EXTCSD
+ Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, EMMC_BUS_WIDTH_1BIT);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Set extcsd bus width error, Status=%r.\n", Status));
+ return Status;
+ }
+ }
+
+ // Fetch ECSD
+ MmcHostInstance->CardInfo.ECSDData = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (ECSD)));
+ if (MmcHostInstance->CardInfo.ECSDData == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ Status = Host->SendCommand (Host, MMC_CMD8, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));
+ }
+
+ Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)MmcHostInstance->CardInfo.ECSDData);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));
+ goto FreePageExit;
+ }
+
+ // Make sure device exiting data mode
+ do {
+ Status = EmmcGetDeviceState (MmcHostInstance, &State);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to get device state, Status=%r.\n", Status));
+ goto FreePageExit;
+ }
+ } while (State == EMMC_DATA_STATE);
+
+ // Set up media
+ Media->BlockSize = EMMC_CARD_SIZE; // 512-byte support is mandatory for eMMC cards
+ Media->MediaId = MmcHostInstance->CardInfo.CIDData.PSN;
+ Media->ReadOnly = MmcHostInstance->CardInfo.CSDData.PERM_WRITE_PROTECT;
+ Media->LogicalBlocksPerPhysicalBlock = 1;
+ Media->IoAlign = 4;
+ // Compute last block using bits [215:212] of the ECSD
+ Media->LastBlock = MmcHostInstance->CardInfo.ECSDData->SECTOR_COUNT - 1; // eMMC isn't supposed to report this for
+ // Cards <2GB in size, but the model does.
+
+ // Setup card type
+ MmcHostInstance->CardInfo.CardType = EMMC_CARD;
+ return EFI_SUCCESS;
+
+FreePageExit:
+ FreePages (MmcHostInstance->CardInfo.ECSDData, EFI_SIZE_TO_PAGES (sizeof (ECSD)));
+ return Status;
+}
+
+STATIC
+EFI_STATUS
+InitializeEmmcDevice (
+ IN MMC_HOST_INSTANCE *MmcHostInstance
+ )
+{
+ EFI_MMC_HOST_PROTOCOL *Host;
+ EFI_STATUS Status = EFI_SUCCESS;
+ ECSD *ECSDData;
+ UINT32 BusClockFreq, Idx, BusMode;
+ UINT32 TimingMode[4] = {EMMCHS52DDR1V2, EMMCHS52DDR1V8, EMMCHS52, EMMCHS26};
+
+ Host = MmcHostInstance->MmcHost;
+ ECSDData = MmcHostInstance->CardInfo.ECSDData;
+ if (ECSDData->DEVICE_TYPE == EMMCBACKWARD)
+ return EFI_SUCCESS;
+
+ if (!MMC_HOST_HAS_SETIOS(Host)) {
+ return EFI_SUCCESS;
+ }
+ Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_HS_TIMING, EMMC_TIMING_HS);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to switch high speed mode, Status:%r.\n", Status));
+ return Status;
+ }
+
+ for (Idx = 0; Idx < 4; Idx++) {
+ switch (TimingMode[Idx]) {
+ case EMMCHS52DDR1V2:
+ case EMMCHS52DDR1V8:
+ case EMMCHS52:
+ BusClockFreq = 52000000;
+ break;
+ case EMMCHS26:
+ BusClockFreq = 26000000;
+ break;
+ default:
+ return EFI_UNSUPPORTED;
+ }
+ Status = Host->SetIos (Host, BusClockFreq, 8, TimingMode[Idx]);
+ if (!EFI_ERROR (Status)) {
+ switch (TimingMode[Idx]) {
+ case EMMCHS52DDR1V2:
+ case EMMCHS52DDR1V8:
+ BusMode = EMMC_BUS_WIDTH_DDR_8BIT;
+ break;
+ case EMMCHS52:
+ case EMMCHS26:
+ BusMode = EMMC_BUS_WIDTH_8BIT;
+ break;
+ default:
+ return EFI_UNSUPPORTED;
+ }
+ Status = EmmcSetEXTCSD (MmcHostInstance, EXTCSD_BUS_WIDTH, BusMode);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "InitializeEmmcDevice(): Failed to set EXTCSD bus width, Status:%r\n", Status));
+ }
+ return Status;
+ }
+ }
+ return Status;
+}
+
+STATIC
+UINT32
+CreateSwitchCmdArgument (
+ IN UINT32 Mode,
+ IN UINT8 Group,
+ IN UINT8 Value
+ )
+{
+ UINT32 Argument;
+
+ Argument = Mode << 31 | 0x00FFFFFF;
+ Argument &= ~(0xF << (Group * 4));
+ Argument |= Value << (Group * 4);
+
+ return Argument;
+}
+
+STATIC
+EFI_STATUS
+InitializeSdMmcDevice (
+ IN MMC_HOST_INSTANCE *MmcHostInstance
+ )
+{
+ UINT32 CmdArg;
+ UINT32 Response[4];
+ UINT32 Buffer[128];
+ UINT32 Speed;
+ UINTN BlockSize;
+ UINTN CardSize;
+ UINTN NumBlocks;
+ BOOLEAN CccSwitch;
+ SCR Scr;
+ EFI_STATUS Status;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+
+ Speed = SD_DEFAULT_SPEED;
+ MmcHost = MmcHostInstance->MmcHost;
+
+ // Send a command to get Card specific data
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));
+ return Status;
+ }
+
+ // Read Response
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(): Failed to receive CSD, Status=%r\n", Status));
+ return Status;
+ }
+ PrintCSD (Response);
+ if (MMC_CSD_GET_CCC(Response) & SD_CCC_SWITCH) {
+ CccSwitch = TRUE;
+ } else {
+ CccSwitch = FALSE;
+ }
+
+ if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
+ CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);
+ NumBlocks = ((CardSize + 1) * 1024);
+ BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);
+ } else {
+ CardSize = MMC_CSD_GET_DEVICESIZE (Response);
+ NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));
+ BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);
+ }
+
+ // For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.
+ if (BlockSize > 512) {
+ NumBlocks = MultU64x32 (NumBlocks, BlockSize / 512);
+ BlockSize = 512;
+ }
+
+ MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);
+ MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;
+ MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);
+ MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;
+ MmcHostInstance->BlockIo.Media->MediaId++;
+
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));
+ return Status;
+ }
+
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R1, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ if ((Response[0] & MMC_STATUS_APP_CMD) == 0) {
+ return EFI_SUCCESS;
+ }
+
+ /* SCR */
+ Status = MmcHost->SendCommand (MmcHost, MMC_ACMD51, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): Error and Status = %r\n", __func__, Status));
+ return Status;
+ } else {
+ Status = MmcHost->ReadBlockData (MmcHost, 0, 8, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a(MMC_ACMD51): ReadBlockData Error and Status = %r\n", __func__, Status));
+ return Status;
+ }
+ CopyMem (&Scr, Buffer, 8);
+ if (Scr.SD_SPEC == 2) {
+ if (Scr.SD_SPEC3 == 1) {
+ if (Scr.SD_SPEC4 == 1) {
+ DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 4.xx\n"));
+ } else {
+ DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 3.0x\n"));
+ }
+ } else {
+ if (Scr.SD_SPEC4 == 0) {
+ DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 2.0\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n"));
+ }
+ }
+ } else {
+ if ((Scr.SD_SPEC3 == 0) && (Scr.SD_SPEC4 == 0)) {
+ if (Scr.SD_SPEC == 1) {
+ DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.10\n"));
+ } else {
+ DEBUG ((EFI_D_INFO, "Found SD Card for Spec Version 1.0\n"));
+ }
+ } else {
+ DEBUG ((EFI_D_ERROR, "Found invalid SD Card\n"));
+ }
+ }
+ }
+ if (CccSwitch) {
+ /* SD Switch, Mode:0, Group:0, Value:0 */
+ CmdArg = CreateSwitchCmdArgument(0, 0, 0);
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ } else {
+ Status = MmcHost->ReadBlockData (MmcHost, 0, SWITCH_CMD_DATA_LENGTH, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): ReadBlockData Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ }
+
+ if (!(Buffer[3] & SD_HIGH_SPEED_SUPPORTED)) {
+ DEBUG ((DEBUG_INFO, "%a : High Speed not supported by Card\n", __FUNCTION__));
+ } else {
+ Speed = SD_HIGH_SPEED;
+
+ /* SD Switch, Mode:1, Group:0, Value:1 */
+ CmdArg = CreateSwitchCmdArgument(1, 0, 1);
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ } else {
+ Status = MmcHost->ReadBlockData (MmcHost, 0, SWITCH_CMD_DATA_LENGTH, Buffer);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): ReadBlockData Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+
+ if ((Buffer[4] & SWITCH_CMD_SUCCESS_MASK) != 0x01000000) {
+ DEBUG((DEBUG_ERROR, "Problem switching SD card into high-speed mode\n"));
+ return Status;
+ }
+ }
+ }
+ }
+ if (Scr.SD_BUS_WIDTHS & SD_BUS_WIDTH_4BIT) {
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD55): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ /* Width: 4 */
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD6, 2);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (MMC_CMD6): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ }
+ if (MMC_HOST_HAS_SETIOS(MmcHost)) {
+ Status = MmcHost->SetIos (MmcHost, Speed, BUSWIDTH_4, EMMCBACKWARD);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "%a (SetIos): Error and Status = %r\n", __FUNCTION__, Status));
+ return Status;
+ }
+ }
+ return EFI_SUCCESS;
+}
+
+STATIC
+EFI_STATUS
+EFIAPI
+MmcIdentificationMode (
+ IN MMC_HOST_INSTANCE *MmcHostInstance
+ )
+{
+ EFI_STATUS Status;
+ UINT32 Response[4];
+ UINTN Timeout;
+ UINTN CmdArg;
+ BOOLEAN IsHCS;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+ OCR_RESPONSE OcrResponse;
+
+ MmcHost = MmcHostInstance->MmcHost;
+ CmdArg = 0;
+ IsHCS = FALSE;
+
+ if (MmcHost == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // We can get into this function if we restart the identification mode
+ if (MmcHostInstance->State == MmcHwInitializationState) {
+ // Initialize the MMC Host HW
+ Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState, Status=%r.\n", Status));
+ return Status;
+ }
+ }
+
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error, Status=%r.\n", Status));
+ return Status;
+ }
+ Status = MmcNotifyState (MmcHostInstance, MmcIdleState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState, Status=%r.\n", Status));
+ return Status;
+ }
+
+ // Send CMD1 to get OCR (MMC)
+ // This command only valid for MMC and eMMC
+ Timeout = MAX_RETRY_COUNT;
+ do {
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, EMMC_CMD1_CAPACITY_GREATER_THAN_2GB);
+ if (EFI_ERROR (Status))
+ break;
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, (UINT32 *)&OcrResponse);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
+ return Status;
+ }
+ Timeout--;
+ } while (!OcrResponse.Ocr.PowerUp && (Timeout > 0));
+ if (Status == EFI_SUCCESS) {
+ if (!OcrResponse.Ocr.PowerUp) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD1): Card initialisation failure, Status=%r.\n", Status));
+ return EFI_DEVICE_ERROR;
+ }
+ OcrResponse.Ocr.PowerUp = 0;
+ if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB) {
+ MmcHostInstance->CardInfo.OCRData.AccessMode = BIT1;
+ }
+ else {
+ MmcHostInstance->CardInfo.OCRData.AccessMode = 0x0;
+ }
+ // Check whether MMC or eMMC
+ if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB ||
+ OcrResponse.Raw == EMMC_CMD1_CAPACITY_LESS_THAN_2GB) {
+ return EmmcIdentificationMode (MmcHostInstance, OcrResponse);
+ }
+ }
+
+ // Are we using SDIO ?
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);
+ if (Status == EFI_SUCCESS) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported, Status=%r.\n", Status));
+ return EFI_UNSUPPORTED;
+ }
+
+ // Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)
+ CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);
+ if (Status == EFI_SUCCESS) {
+ DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));
+ IsHCS = TRUE;
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive response to CMD8, Status=%r.\n", Status));
+ return Status;
+ }
+ PrintResponseR1 (Response[0]);
+ // Check if it is valid response
+ if (Response[0] != CmdArg) {
+ DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));
+ return EFI_UNSUPPORTED;
+ }
+ } else {
+ DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));
+ }
+
+ // We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)
+ Timeout = MAX_RETRY_COUNT;
+ while (Timeout > 0) {
+ // SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);
+ if (Status == EFI_SUCCESS) {
+ DEBUG ((EFI_D_INFO, "Card should be SD\n"));
+ if (IsHCS) {
+ MmcHostInstance->CardInfo.CardType = SD_CARD_2;
+ } else {
+ MmcHostInstance->CardInfo.CardType = SD_CARD;
+ }
+
+ // Note: The first time CmdArg will be zero
+ CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];
+ if (IsHCS) {
+ CmdArg |= BIT30;
+ }
+ Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);
+ if (!EFI_ERROR (Status)) {
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
+ return Status;
+ }
+ ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
+ }
+ } else {
+ DEBUG ((EFI_D_INFO, "Card should be MMC\n"));
+ MmcHostInstance->CardInfo.CardType = MMC_CARD;
+
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);
+ if (!EFI_ERROR (Status)) {
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
+ return Status;
+ }
+ ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {
+ gBS->Stall (1);
+ Timeout--;
+ } else {
+ if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {
+ MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;
+ DEBUG ((EFI_D_ERROR, "High capacity card.\n"));
+ }
+ break; // The MMC/SD card is ready. Continue the Identification Mode
+ }
+ } else {
+ gBS->Stall (1);
+ Timeout--;
+ }
+ }
+
+ if (Timeout == 0) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));
+ return EFI_NO_MEDIA;
+ } else {
+ PrintOCR (Response[0]);
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcReadyState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));
+ return Status;
+ }
+
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));
+ return Status;
+ }
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive CID, Status=%r.\n", Status));
+ return Status;
+ }
+
+ PrintCID (Response);
+
+ Status = MmcHost->NotifyState (MmcHost, MmcIdentificationState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));
+ return Status;
+ }
+
+ //
+ // Note, SD specifications say that "if the command execution causes a state change, it
+ // will be visible to the host in the response to the next command"
+ // The status returned for this CMD3 will be 2 - identification
+ //
+ CmdArg = 1;
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));
+ return Status;
+ }
+
+ Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive RCA, Status=%r.\n", Status));
+ return Status;
+ }
+ PrintRCA (Response[0]);
+
+ // For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card
+ if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {
+ MmcHostInstance->CardInfo.RCA = Response[0] >> 16;
+ } else {
+ MmcHostInstance->CardInfo.RCA = CmdArg;
+ }
+ Status = MmcNotifyState (MmcHostInstance, MmcStandByState);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));
+ return Status;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+InitializeMmcDevice (
+ IN MMC_HOST_INSTANCE *MmcHostInstance
+ )
+{
+ EFI_STATUS Status;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+ UINTN BlockCount;
+
+ BlockCount = 1;
+ MmcHost = MmcHostInstance->MmcHost;
+
+ Status = MmcIdentificationMode (MmcHostInstance);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error in Identification Mode, Status=%r\n", Status));
+ return Status;
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error MmcTransferState, Status=%r\n", Status));
+ return Status;
+ }
+
+ if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {
+ Status = InitializeSdMmcDevice (MmcHostInstance);
+ } else {
+ Status = InitializeEmmcDevice (MmcHostInstance);
+ }
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ // Set Block Length
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",
+ MmcHostInstance->BlockIo.Media->BlockSize, Status));
+ return Status;
+ }
+
+ // Block Count (not used). Could return an error for SD card
+ if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {
+ Status = MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);
+ if (EFI_ERROR (Status)) {
+ DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD23): Error, Status=%r\n", Status));
+ return Status;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
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