diff options
Diffstat (limited to 'EmbeddedPkg')
| -rw-r--r-- | EmbeddedPkg/EmbeddedPkg.dec | 3 | ||||
| -rw-r--r-- | EmbeddedPkg/EmbeddedPkg.dsc | 1 | ||||
| -rw-r--r-- | EmbeddedPkg/Include/Protocol/MmcHost.h | 114 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/ComponentName.c | 162 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/Diagnostics.c | 215 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/Mmc.c | 387 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/Mmc.h | 286 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 614 | ||||
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf | 50 |
9 files changed, 1831 insertions, 1 deletions
diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec index 714242fc6e..fd7032bbdd 100644 --- a/EmbeddedPkg/EmbeddedPkg.dec +++ b/EmbeddedPkg/EmbeddedPkg.dec @@ -56,7 +56,8 @@ gEmbeddedExternalDeviceProtocolGuid = { 0x735F8C64, 0xD696, 0x44D0, { 0xBD, 0xF2, 0x44, 0x7F, 0xD0, 0x5A, 0x54, 0x06 }}
gEmbeddedGpioProtocolGuid = { 0x17a0a3d7, 0xc0a5, 0x4635, { 0xbb, 0xd5, 0x07, 0x21, 0x87, 0xdf, 0xe2, 0xee }}
gPeCoffLoaderProtocolGuid = { 0xB323179B, 0x97FB, 0x477E, { 0xB0, 0xFE, 0xD8, 0x85, 0x91, 0xFA, 0x11, 0xAB } }
-
+ gEfiMmcHostProtocolGuid = { 0x3e591c00, 0x9e4a, 0x11df, {0x92, 0x44, 0x00, 0x02, 0xA5, 0xD5, 0xC5, 0x1B }}
+
[PcdsFeatureFlag.common]
gEmbeddedTokenSpaceGuid.PcdEmbeddedMacBoot|FALSE|BOOLEAN|0x00000001
gEmbeddedTokenSpaceGuid.PcdEmbeddedDirCmd|TRUE|BOOLEAN|0x00000002
diff --git a/EmbeddedPkg/EmbeddedPkg.dsc b/EmbeddedPkg/EmbeddedPkg.dsc index 9bb5b59dba..0ee7122a0f 100644 --- a/EmbeddedPkg/EmbeddedPkg.dsc +++ b/EmbeddedPkg/EmbeddedPkg.dsc @@ -259,6 +259,7 @@ EmbeddedPkg/SimpleTextInOutSerial/SimpleTextInOutSerial.inf EmbeddedPkg/MetronomeDxe/MetronomeDxe.inf + EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf diff --git a/EmbeddedPkg/Include/Protocol/MmcHost.h b/EmbeddedPkg/Include/Protocol/MmcHost.h new file mode 100644 index 0000000000..0196aad2ae --- /dev/null +++ b/EmbeddedPkg/Include/Protocol/MmcHost.h @@ -0,0 +1,114 @@ +/** @file
+ Definition of the MMC Host Protocol
+
+ 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.
+
+**/
+
+#ifndef __MMC_HOST_H__
+#define __MMC_HOST_H__
+
+///
+/// Global ID for the MMC Host Protocol
+///
+#define EFI_MMC_HOST_PROTOCOL_GUID \
+ { 0x3e591c00, 0x9e4a, 0x11df, {0x92, 0x44, 0x00, 0x02, 0xA5, 0xD5, 0xC5, 0x1B } }
+
+#define MMC_RESPONSE_TYPE_R1 0
+#define MMC_RESPONSE_TYPE_R1b 0
+#define MMC_RESPONSE_TYPE_R2 1
+#define MMC_RESPONSE_TYPE_R3 0
+#define MMC_RESPONSE_TYPE_R6 0
+#define MMC_RESPONSE_TYPE_R7 0
+#define MMC_RESPONSE_TYPE_OCR 0
+#define MMC_RESPONSE_TYPE_CID 1
+#define MMC_RESPONSE_TYPE_CSD 1
+#define MMC_RESPONSE_TYPE_RCA 0
+
+typedef UINT32 MMC_RESPONSE_TYPE;
+
+typedef UINT32 MMC_CMD;
+
+#define MMC_CMD_WAIT_RESPONSE (1 << 16)
+#define MMC_CMD_LONG_RESPONSE (1 << 17)
+#define MMC_CMD_NO_CRC_RESPONSE (1 << 18)
+
+#define MMC_INDX(Index) ((Index) & 0xFFFF)
+#define MMC_GET_INDX(MmcCmd) ((MmcCmd) & 0xFFFF)
+
+#define MMC_CMD0 (MMC_INDX(0) | MMC_CMD_NO_CRC_RESPONSE)
+#define MMC_CMD1 (MMC_INDX(1) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
+#define MMC_CMD2 (MMC_INDX(2) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_LONG_RESPONSE)
+#define MMC_CMD3 (MMC_INDX(3) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD5 (MMC_INDX(5) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
+#define MMC_CMD7 (MMC_INDX(7) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD8 (MMC_INDX(8) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD9 (MMC_INDX(9) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_LONG_RESPONSE)
+#define MMC_CMD11 (MMC_INDX(11) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD12 (MMC_INDX(12) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD13 (MMC_INDX(13) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD16 (MMC_INDX(16) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD17 (MMC_INDX(17) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD18 (MMC_INDX(18) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD20 (MMC_INDX(20) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD23 (MMC_INDX(23) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD24 (MMC_INDX(24) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)
+#define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
+
+typedef enum _MMC_STATE {
+ MmcInvalidState = 0,
+ MmcHwInitializationState,
+ MmcIdleState,
+ MmcReadyState,
+ MmcIdentificationState,
+ MmcStandByState,
+ MmcTransferState,
+ MmcSendingDataState,
+ MmcReceiveDataState,
+ MmcProgrammingState,
+ MmcDisconnectState,
+} MMC_STATE;
+
+typedef BOOLEAN (*MMC_ISCARDPRESENT)();
+
+typedef BOOLEAN (*MMC_ISREADONLY)();
+
+typedef EFI_STATUS (*MMC_BUILDDEVICEPATH)(EFI_DEVICE_PATH_PROTOCOL **DevicePath);
+
+typedef EFI_STATUS (*MMC_NOTIFYSTATE)(MMC_STATE State);
+
+typedef EFI_STATUS (*MMC_SENDCOMMAND)(MMC_CMD Cmd, UINT32 Argument);
+
+typedef EFI_STATUS (*MMC_RECEIVERESPONSE)(MMC_RESPONSE_TYPE Type, UINT32* Buffer);
+
+typedef EFI_STATUS (*MMC_READBLOCKDATA)(EFI_LBA Lba, UINTN Length, UINT32* Buffer);
+
+typedef EFI_STATUS (*MMC_WRITEBLOCKDATA)(EFI_LBA Lba, UINTN Length, UINT32* Buffer);
+
+typedef struct _EFI_MMC_HOST_PROTOCOL {
+ MMC_ISCARDPRESENT IsCardPresent;
+ MMC_ISREADONLY IsReadOnly;
+ MMC_BUILDDEVICEPATH BuildDevicePath;
+
+ MMC_NOTIFYSTATE NotifyState;
+
+ MMC_SENDCOMMAND SendCommand;
+ MMC_RECEIVERESPONSE ReceiveResponse;
+
+ MMC_READBLOCKDATA ReadBlockData;
+ MMC_WRITEBLOCKDATA WriteBlockData;
+} EFI_MMC_HOST_PROTOCOL;
+
+extern EFI_GUID gEfiMmcHostProtocolGuid;
+
+#endif
+
diff --git a/EmbeddedPkg/Universal/MmcDxe/ComponentName.c b/EmbeddedPkg/Universal/MmcDxe/ComponentName.c new file mode 100644 index 0000000000..030a54f72b --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/ComponentName.c @@ -0,0 +1,162 @@ +/** @file
+ Component Name Protocol implementation for the MMC DXE driver
+
+ 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 "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/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c b/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c new file mode 100644 index 0000000000..a477135684 --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c @@ -0,0 +1,215 @@ +/** @file
+ Diagnostics Protocol implementation for the MMC DXE driver
+
+ 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 <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.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) {
+ mLogRemainChar -= len;
+ StrCpy (mLogBuffer, Str);
+ 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 | (~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;
+ }
+
+ Status = EFI_SUCCESS;
+ *ErrorType = NULL;
+ *BufferSize = DIAGNOSTIC_LOGBUFFER_MAXCHAR;
+ *Buffer = DiagnosticInitLog(DIAGNOSTIC_LOGBUFFER_MAXCHAR);
+
+ DiagnosticLog(L"MMC Driver Diagnostics\n");
+
+ // 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);
+
+ // 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, 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);
+
+ CurrentLink = CurrentLink->ForwardLink;
+ }
+
+ 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/EmbeddedPkg/Universal/MmcDxe/Mmc.c b/EmbeddedPkg/Universal/MmcDxe/Mmc.c new file mode 100644 index 0000000000..9c67867aa3 --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.c @@ -0,0 +1,387 @@ +/** @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;
+}
diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h new file mode 100644 index 0000000000..44ad585bba --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h @@ -0,0 +1,286 @@ +/** @file
+ Main Header file for the MMC DXE driver
+
+ 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.
+
+**/
+
+#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>
+
+#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_CSD_GET_CCC(Response) (Response[1] >> 20)
+#define MMC_CSD_GET_TRANSPEED(Response) (Response[0] & 0xFF)
+#define MMC_CSD_GET_READBLLEN(Response) ((Response[1] >> 16) & 0xF)
+#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[3] >> 22) & 0xF)
+#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[3] >> 10) & 0x3)
+#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[3] >> 15) & 0x1)
+#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[2] >> 30) & 0x3) | ((Response[1] & 0x3FF) << 2))
+#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[2] >> 15) & 0x7)
+
+#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
+
+typedef enum {
+ UNKNOWN_CARD,
+ MMC_CARD, //MMC card
+ MMC_CARD_HIGH, //MMC Card with High capacity
+ 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 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine
+} OCR;
+
+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: 6; // Reserved [125:120]
+ UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]
+} CSD;
+
+typedef struct {
+ UINT16 RCA;
+ CARD_TYPE CardType;
+ OCR OCRData;
+ CID CIDData;
+ CSD CSDData;
+} 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;
+} 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
+ );
+
+#endif
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c new file mode 100644 index 0000000000..f7cdb6d6d9 --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c @@ -0,0 +1,614 @@ +/** @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/MmcHost.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/TimerLib.h>
+
+#include "Mmc.h"
+
+// Untested ...
+//#define USE_STREAM
+
+#define MAX_RETRY_COUNT 1000
+#define CMD_RETRY_COUNT 20
+
+EFI_STATUS
+MmcNotifyState (
+ MMC_HOST_INSTANCE *MmcHostInstance,
+ MMC_STATE State
+ ) {
+ MmcHostInstance->State = State;
+ return MmcHostInstance->MmcHost->NotifyState(State);
+}
+
+VOID PrintOCR(UINT32 ocr) {
+ UINTN minv, maxv, 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 = volts + 1;
+ }
+
+ 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 PrintCID(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(UINT32* csd) {
+ UINTN val32;
+ CONST CHAR8* str_unit[] = { "100kbit/s","1Mbit/s","10Mbit/s","100MBit/s","Unkbown","Unkbown","Unkbown","Unkbown" };
+ CONST CHAR8* str_value[] = { "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" };
+
+ 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",str_value[(MMC_CSD_GET_TRANSPEED(csd) >> 3) & 0xF],str_unit[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)) {
+ val32 = MMC_CSD_GET_FILEFORMAT(csd);
+ if (val32 == 0) DEBUG((EFI_D_ERROR, "\t- Format(0): Hard disk-like file system with partition table\n"));
+ else if (val32 == 1) DEBUG((EFI_D_ERROR, "\t- Format(1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
+ else if (val32 == 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(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 PrintResponseR1(UINT32 response) {
+ DEBUG((EFI_D_INFO, "Response: 0x%X\n",response));
+ if (response & (1 << 8)) DEBUG((EFI_D_INFO, "\t- READY_FOR_DATA\n"));
+
+ if (((response >> 9) & 0xF) == 0) DEBUG((EFI_D_INFO, "\t- State: Idle\n"));
+ else if (((response >> 9) & 0xF) == 1) DEBUG((EFI_D_INFO, "\t- State: Ready\n"));
+ else if (((response >> 9) & 0xF) == 2) DEBUG((EFI_D_INFO, "\t- State: Ident\n"));
+ else if (((response >> 9) & 0xF) == 3) DEBUG((EFI_D_INFO, "\t- State: StandBy\n"));
+ else if (((response >> 9) & 0xF) == 4) DEBUG((EFI_D_INFO, "\t- State: Tran\n"));
+ else if (((response >> 9) & 0xF) == 5) DEBUG((EFI_D_INFO, "\t- State: Data\n"));
+ else if (((response >> 9) & 0xF) == 6) DEBUG((EFI_D_INFO, "\t- State: Rcv\n"));
+ else if (((response >> 9) & 0xF) == 7) DEBUG((EFI_D_INFO, "\t- State: Prg\n"));
+ else if (((response >> 9) & 0xF) == 8) DEBUG((EFI_D_INFO, "\t- State: Dis\n"));
+ else DEBUG((EFI_D_INFO, "\t- State: Reserved\n"));
+}
+
+EFI_STATUS
+EFIAPI
+MmcGetCardStatus(
+ MMC_HOST_INSTANCE *MmcHostInstance
+ ){
+ EFI_STATUS Status=EFI_SUCCESS;
+ UINT32 Response[4];
+ UINTN CmdArg;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+
+ 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(MMC_CMD13, CmdArg);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcGetCardStatus(MMC_CMD13): Error and Status = %r\n", Status));
+ ASSERT(0);
+ return Status;
+ }
+
+ //Read Response
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R1,Response);
+ PrintResponseR1(Response[0]);
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+MmcIdentificationMode (
+ MMC_HOST_INSTANCE *MmcHostInstance
+ ) {
+ EFI_STATUS Status;
+ UINT32 Response[4];
+ UINTN Timeout;
+ UINTN CmdArg;
+ BOOLEAN bHCS;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+ UINTN CmdRetryCnt;
+
+ MmcHost = MmcHostInstance->MmcHost;
+ CmdArg = 0;
+ bHCS = 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\n"));
+ return Status;
+ }
+ } else {
+ //Note: Could even be used in all cases. But it looks this command could put the state machine into inactive for some cards
+ Status = MmcHost->SendCommand(MMC_CMD0, 0);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));
+ return Status;
+ }
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcIdleState);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));
+ return Status;
+ }
+
+ // Are we using SDIO ?
+ Status = MmcHost->SendCommand(MMC_CMD5, 0);
+ if (Status == EFI_SUCCESS) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));
+ 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(MMC_CMD8, CmdArg);
+ if (Status == EFI_SUCCESS) {
+ DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));
+ bHCS = TRUE;
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R7,Response);
+ 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.Busy == 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(MMC_CMD55, 0);
+ if (Status == EFI_SUCCESS) {
+ DEBUG ((EFI_D_INFO, "Card should be SD\n"));
+ if (bHCS) {
+ 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 (bHCS) {
+ CmdArg |= BIT30;
+ }
+ Status = MmcHost->SendCommand(MMC_ACMD41, CmdArg);
+ if (!EFI_ERROR(Status)) {
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_OCR,Response);
+ ((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(MMC_CMD1, 0x800000);
+ if (!EFI_ERROR(Status)) {
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_OCR,Response);
+ ((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
+ }
+ }
+
+ if (!EFI_ERROR(Status)) {
+ if (MmcHostInstance->CardInfo.OCRData.Busy == 0) {
+ MicroSecondDelay(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 {
+ MicroSecondDelay(1);
+ Timeout--;
+ }
+ }
+
+ if (Timeout == 0) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));
+ ASSERT(0);
+ 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(MMC_CMD2, 0);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));
+ ASSERT(0);
+ return Status;
+ }
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_CID,Response);
+ PrintCID(Response);
+
+ Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));
+ return Status;
+ }
+
+ CmdArg = 0;
+ CmdRetryCnt = CMD_RETRY_COUNT;
+ //Keep sending CMD 3 until card enters to Standby mode and Card status is ready
+ while((MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_STDBY) && CmdRetryCnt-- ){
+ Status = MmcHost->SendCommand(MMC_CMD3, CmdArg);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));
+ return Status;
+ }
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_RCA,Response);
+ 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
+EFIAPI
+MmcReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ ) {
+ // 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()) {
+ return EFI_NO_MEDIA;
+ } else {
+ return EFI_SUCCESS;
+ }
+}
+
+#define MMCI0_BLOCKLEN 512
+#define MMCI0_TIMEOUT 10000
+
+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 CardSize, NumBlocks, BlockSize, CmdArg;
+ UINTN Timeout;
+ UINTN Cmd;
+ MMC_HOST_INSTANCE *MmcHostInstance;
+ EFI_MMC_HOST_PROTOCOL *MmcHost;
+ UINTN BytesRemainingToBeTransfered;
+ UINTN BlockCount = 1;
+
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);
+ ASSERT(MmcHostInstance != 0);
+ MmcHost = MmcHostInstance->MmcHost;
+ ASSERT(MmcHost);
+
+ if (MmcHost == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // Check if a Card is Present
+ if (!MmcHost->IsCardPresent()) {
+ 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;
+ return EFI_NO_MEDIA;
+ }
+
+ // If the driver has not been initialized yet then go into Iddentification Mode
+ if (MmcHostInstance->State == MmcHwInitializationState) {
+ MmcIdentificationMode (MmcHostInstance);
+
+ //Send a command to get Card specific data
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand(MMC_CMD9, CmdArg);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error, Status=%r\n", Status));
+ ASSERT(0);
+ return Status;
+ }
+ //Read Response
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_CSD,Response);
+ PrintCSD(Response);
+
+ if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
+ ASSERT(0); //TODO: Implementation needed
+ CardSize = 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();
+ MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;
+ MmcHostInstance->BlockIo.Media->MediaId++;
+
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Status = MmcHost->SendCommand(MMC_CMD7, CmdArg);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error and Status = %r\n", Status));
+ ASSERT(0);
+ return Status;
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));
+ return Status;
+ }
+ } else {
+ // Maybe test if the card has changed to update gMmcMedia information
+ if (MmcHostInstance->State == MmcTransferState) {
+ //DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : MmcTransferState\n"));
+ } else if (MmcHostInstance->State == MmcStandByState) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : MmcStandByState\n"));
+ } else {
+ ASSERT(0);
+ }
+ }
+
+ if (Lba > This->Media->LastBlock) {
+ ASSERT(0);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((BufferSize % This->Media->BlockSize) != 0) {
+ ASSERT(0);
+ return EFI_BAD_BUFFER_SIZE;
+ }
+
+ BytesRemainingToBeTransfered = BufferSize;
+ while (BytesRemainingToBeTransfered > 0) {
+
+ //Check if the Card is in Ready status
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ Response[0] = 0;
+ Timeout = 20;
+ while((Response[0] & (1 << 8)) && Timeout-- ){
+ Status = MmcHost->SendCommand(MMC_CMD13, CmdArg);
+ if (!EFI_ERROR(Status)){
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R1,Response);
+ }
+ }
+
+ // Set Block Length
+ Status = MmcHost->SendCommand(MMC_CMD16, This->Media->BlockSize);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error This->Media->BlockSize:%d and Error = %r\n",This->Media->BlockSize, Status));
+ return Status;
+ }
+
+ // Block Count (not used). Could return an error for SD card
+ MmcHost->SendCommand(MMC_CMD23, BlockCount);
+
+ //Set command argument based on the card access mode (Byte mode or Block mode)
+ if (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1) {
+ CmdArg = Lba;
+ } else {
+ CmdArg = Lba * This->Media->BlockSize;
+ }
+
+ if (Transfer == MMC_IOBLOCKS_READ) {
+#ifndef USE_STREAM
+ // Read a single block
+ Cmd = MMC_CMD17;
+#else
+ //TODO: Should we support read stream (MMC_CMD11)
+#endif
+ } else {
+#ifndef USE_STREAM
+ // Write a single block
+ Cmd = MMC_CMD24;
+#else
+ //TODO: Should we support write stream (MMC_CMD20)
+#endif
+ }
+ Status = MmcHost->SendCommand(Cmd, CmdArg);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD%d): Error %r\n",Cmd, Status));
+ return Status;
+ }
+
+ if (Transfer == MMC_IOBLOCKS_READ) {
+#ifndef USE_STREAM
+ // Read one block of Data
+ Status = MmcHost->ReadBlockData(Lba,This->Media->BlockSize,Buffer);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Read Block Data and Status = %r\n", Status));
+ return Status;
+ }
+#else
+ //TODO: Read a steam
+ ASSERT(0);
+#endif
+ Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcProgrammingState\n"));
+ return Status;
+ }
+ } else {
+#ifndef USE_STREAM
+ // Write one block of Data
+ Status = MmcHost->WriteBlockData(Lba,This->Media->BlockSize,Buffer);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_BLKIO, "MmcIdentificationMode(): Error Write Block Data and Status = %r\n", Status));
+ return Status;
+ }
+#else
+ //TODO: Write a steam
+ ASSERT(0);
+#endif
+ }
+
+ // Command 12 - Stop transmission (ends read)
+ Status = MmcHost->SendCommand(MMC_CMD12, 0);
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R1b,Response);
+
+ // Command 13 - Read status and wait for programming to complete (return to tran)
+ Timeout = MMCI0_TIMEOUT;
+ CmdArg = MmcHostInstance->CardInfo.RCA << 16;
+ while ((MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && Timeout) {
+ MmcHost->SendCommand(MMC_CMD13, CmdArg);
+ MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R1,Response);
+ NanoSecondDelay(100);
+ Timeout--;
+ }
+
+ Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
+ if (EFI_ERROR(Status)) {
+ DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));
+ return Status;
+ }
+
+ BytesRemainingToBeTransfered -= This->Media->BlockSize;
+ Lba += BlockCount;
+ Buffer = (UINT8 *)Buffer + This->Media->BlockSize;
+ }
+
+ 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/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf b/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf new file mode 100644 index 0000000000..4a21fb4952 --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf @@ -0,0 +1,50 @@ +#/** @file
+# Build file for the MMC DXE driver
+#
+# 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.
+#
+#**/
+
+[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
+ Diagnostics.c
+
+[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ UefiLib
+ UefiDriverEntryPoint
+ BaseMemoryLib
+ TimerLib
+
+[Protocols]
+ gEfiDiskIoProtocolGuid
+ gEfiBlockIoProtocolGuid
+ gEfiDevicePathProtocolGuid
+ gEfiMmcHostProtocolGuid
+ gEfiDriverDiagnostics2ProtocolGuid
+
+[Depex]
+ TRUE
\ No newline at end of file |