diff options
Diffstat (limited to 'ArmPkg/Universal/MmcDxe/MmcBlockIo.c')
| -rw-r--r-- | ArmPkg/Universal/MmcDxe/MmcBlockIo.c | 614 |
1 files changed, 0 insertions, 614 deletions
diff --git a/ArmPkg/Universal/MmcDxe/MmcBlockIo.c b/ArmPkg/Universal/MmcDxe/MmcBlockIo.c deleted file mode 100644 index f7cdb6d6d9..0000000000 --- a/ArmPkg/Universal/MmcDxe/MmcBlockIo.c +++ /dev/null @@ -1,614 +0,0 @@ -/** @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;
-}
-
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