diff options
Diffstat (limited to 'EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c')
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c b/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c deleted file mode 100644 index 0e1ef57263..0000000000 --- a/EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c +++ /dev/null @@ -1,320 +0,0 @@ -/** @file
-*
-* Copyright (c) 2011-2015, 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 <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
-
-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;
-
- 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;
- }
-
- // 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;
- }
-
- // 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;
- }
-
- // Check the alignment
- if ((This->Media->IoAlign > 2) && (((UINTN)Buffer & (This->Media->IoAlign - 1)) != 0)) {
- return EFI_INVALID_PARAMETER;
- }
-
- 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] & 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;
- }
-
- //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) {
- // Read a single block
- Cmd = MMC_CMD17;
- } else {
- // Write a single block
- Cmd = MMC_CMD24;
- }
- Status = MmcHost->SendCommand (MmcHost, Cmd, CmdArg);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "MmcIoBlocks(MMC_CMD%d): Error %r\n", Cmd, Status));
- return Status;
- }
-
- if (Transfer == MMC_IOBLOCKS_READ) {
- // Read one block of Data
- Status = MmcHost->ReadBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Read Block Data and Status = %r\n", Status));
- MmcStopTransmission (MmcHost);
- return Status;
- }
- Status = MmcNotifyState (MmcHostInstance, MmcProgrammingState);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : Error MmcProgrammingState\n"));
- return Status;
- }
- } else {
- // Write one block of Data
- Status = MmcHost->WriteBlockData (MmcHost, Lba, This->Media->BlockSize, Buffer);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_BLKIO, "MmcIoBlocks(): Error Write Block Data and Status = %r\n", 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
- }
- }
- gBS->Stall (1);
- }
-
- Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "MmcIoBlocks() : 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;
-}
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