mirror of https://github.com/acidanthera/audk.git
559 lines
20 KiB
C
559 lines
20 KiB
C
/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <Protocol/MmcHost.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/TimerLib.h>
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#include "Mmc.h"
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// Untested ...
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//#define USE_STREAM
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#define MAX_RETRY_COUNT 200
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EFI_STATUS
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MmcNotifyState (
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MMC_HOST_INSTANCE *MmcHostInstance,
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MMC_STATE State
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) {
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MmcHostInstance->State = State;
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return MmcHostInstance->MmcHost->NotifyState(State);
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}
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VOID PrintOCR(UINT32 ocr) {
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float minv, maxv, volts;
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int loop;
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minv = 3.6;
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maxv = 2.0;
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volts = 2.0;
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// The MMC register bits [23:8] indicate the working range of the card
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for (loop = 8; loop < 24; loop++) {
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if (ocr & (1 << loop)) {
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if (minv > volts) minv = volts;
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if (maxv < volts) maxv = volts + 0.1;
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}
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volts = volts + 0.1;
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}
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DEBUG((EFI_D_ERROR, "- PrintOCR ocr (0x%X)\n",ocr));
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//DEBUG((EFI_D_ERROR, "\t- Card operating voltage: %fV to %fV\n", minv, maxv));
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if (((ocr >> 29) & 3) == 0)
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DEBUG((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));
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else
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DEBUG((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n",((ocr >> 29) & 3)));
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if (ocr & MMC_OCR_POWERUP)
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DEBUG((EFI_D_ERROR, "\t- PowerUp\n"));
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else
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DEBUG((EFI_D_ERROR, "\t- Voltage Not Supported\n"));
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}
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VOID PrintCID(UINT32* cid) {
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DEBUG((EFI_D_ERROR, "- PrintCID\n"));
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DEBUG((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n",(cid[0] >> 8) & 0xF,(cid[0] >> 12) & 0xFF));
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DEBUG((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n",cid[1] & 0xFFFFFF,(cid[0] >> 24) & 0xFF));
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DEBUG((EFI_D_ERROR, "\t- Product revision: %d\n",cid[1] >> 24));
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//DEBUG((EFI_D_ERROR, "\t- Product name: %s\n",(char*)(cid + 2)));
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DEBUG((EFI_D_ERROR, "\t- OEM ID: %c%c\n",(cid[3] >> 8) & 0xFF,(cid[3] >> 16) & 0xFF));
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}
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VOID PrintCSD(UINT32* csd) {
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UINTN val32;
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CONST CHAR8* str_unit[] = { "100kbit/s","1Mbit/s","10Mbit/s","100MBit/s","Unkbown","Unkbown","Unkbown","Unkbown" };
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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" };
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if (((csd[2] >> 30) & 0x3) == 0)
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DEBUG((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));
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else if (((csd[2] >> 30) & 0x3) == 1)
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DEBUG((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));
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else
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DEBUG((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));
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DEBUG((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n",MMC_CSD_GET_CCC(csd)));
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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]));
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DEBUG((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN(csd)-1)));
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DEBUG((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN(csd)-1)));
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if (!MMC_CSD_GET_FILEFORMATGRP(csd)) {
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val32 = MMC_CSD_GET_FILEFORMAT(csd);
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if (val32 == 0) DEBUG((EFI_D_ERROR, "\t- Format(0): Hard disk-like file system with partition table\n"));
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else if (val32 == 1) DEBUG((EFI_D_ERROR, "\t- Format(1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
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else if (val32 == 2) DEBUG((EFI_D_ERROR, "\t- Format(2): Universal File Format\n"));
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else DEBUG((EFI_D_ERROR, "\t- Format(3): Others/Unknown\n"));
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} else {
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DEBUG((EFI_D_ERROR, "\t- Format: Reserved\n"));
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}
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}
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VOID PrintRCA(UINT32 rca) {
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DEBUG((EFI_D_ERROR, "- PrintRCA: 0x%X\n",rca));
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DEBUG((EFI_D_ERROR, "\t- Status: 0x%X\n",rca & 0xFFFF));
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DEBUG((EFI_D_ERROR, "\t- RCA: 0x%X\n",(rca >> 16) & 0xFFFF));
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}
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VOID PrintResponseR1(UINT32 response) {
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DEBUG((EFI_D_ERROR, "Response: 0x%X\n",response));
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if (response & (1 << 8)) DEBUG((EFI_D_ERROR, "\t- READY_FOR_DATA\n"));
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if (((response >> 9) & 0xF) == 0) DEBUG((EFI_D_ERROR, "\t- State: Idle\n"));
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else if (((response >> 9) & 0xF) == 1) DEBUG((EFI_D_ERROR, "\t- State: Ready\n"));
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else if (((response >> 9) & 0xF) == 2) DEBUG((EFI_D_ERROR, "\t- State: Ident\n"));
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else if (((response >> 9) & 0xF) == 3) DEBUG((EFI_D_ERROR, "\t- State: StandBy\n"));
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else if (((response >> 9) & 0xF) == 4) DEBUG((EFI_D_ERROR, "\t- State: Tran\n"));
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else if (((response >> 9) & 0xF) == 5) DEBUG((EFI_D_ERROR, "\t- State: Data\n"));
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else if (((response >> 9) & 0xF) == 6) DEBUG((EFI_D_ERROR, "\t- State: Rcv\n"));
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else if (((response >> 9) & 0xF) == 7) DEBUG((EFI_D_ERROR, "\t- State: Prg\n"));
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else if (((response >> 9) & 0xF) == 8) DEBUG((EFI_D_ERROR, "\t- State: Dis\n"));
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else DEBUG((EFI_D_ERROR, "\t- State: Reserved\n"));
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}
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EFI_STATUS
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EFIAPI
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MmcIdentificationMode (
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MMC_HOST_INSTANCE *MmcHostInstance
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) {
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EFI_STATUS Status;
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UINT32 Response[4];
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UINTN timer;
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UINTN CmdArg;
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BOOLEAN bHCS;
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EFI_MMC_HOST_PROTOCOL *MmcHost;
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MmcHost = MmcHostInstance->MmcHost;
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CmdArg = 0;
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bHCS = FALSE;
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if (MmcHost == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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// We can get into this function if we restart the identification mode
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if (MmcHostInstance->State == MmcHwInitializationState) {
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// Initialize the MMC Host HW
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Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState\n"));
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return Status;
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}
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} else {
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//Note: Could even be used in all cases. But it looks this command could put the state machine into inactive for some cards
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Status = MmcHost->SendCommand(MMC_CMD0, 0);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error\n"));
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return Status;
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}
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}
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Status = MmcNotifyState (MmcHostInstance, MmcIdleState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState\n"));
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return Status;
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}
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// Are we using SDIO ?
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Status = MmcHost->SendCommand(MMC_CMD5, 0);
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if (Status == EFI_SUCCESS) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported.\n"));
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return EFI_UNSUPPORTED;
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}
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// Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)
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CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);
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Status = MmcHost->SendCommand(MMC_CMD8, CmdArg);
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if (Status == EFI_SUCCESS) {
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DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));
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bHCS = TRUE;
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R7,Response);
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PrintResponseR1(Response[0]);
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} else {
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DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));
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}
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// We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.Busy == 1)
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timer = MAX_RETRY_COUNT;
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while (timer > 0) {
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// SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command
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Status = MmcHost->SendCommand(MMC_CMD55, 0);
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if (Status == EFI_SUCCESS) {
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DEBUG ((EFI_D_INFO, "Card should be SD\n"));
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if (bHCS) {
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MmcHostInstance->CardInfo.CardType = SD_CARD_2;
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} else {
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MmcHostInstance->CardInfo.CardType = SD_CARD;
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}
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// Note: The first time CmdArg will be zero
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CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];
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if (bHCS) {
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CmdArg |= BIT30;
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}
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Status = MmcHost->SendCommand(MMC_ACMD41, CmdArg);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(ACMD41): Error\n"));
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return Status;
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}
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_OCR,Response);
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((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
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} else {
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DEBUG ((EFI_D_INFO, "Card should be MMC\n"));
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MmcHostInstance->CardInfo.CardType = MMC_CARD;
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Status = MmcHost->SendCommand(MMC_CMD1, 0x800000);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(ACMD41): Error\n"));
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return Status;
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}
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_OCR,Response);
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((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
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}
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if (MmcHostInstance->CardInfo.OCRData.Busy == 0) {
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MicroSecondDelay(10*1000);
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timer--;
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} else {
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if ((MmcHostInstance->CardInfo.CardType == SD_CARD_2) && (MmcHostInstance->CardInfo.OCRData.AccessMode & BIT1)) {
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MmcHostInstance->CardInfo.CardType = SD_CARD_2_HIGH;
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DEBUG ((EFI_D_ERROR, "High capacity card.\n"));
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}
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break; // The MMC/SD card is ready. Continue the Identification Mode
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}
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}
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if (timer == 0) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));
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ASSERT(0);
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return EFI_NO_MEDIA;
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} else {
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PrintOCR(Response[0]);
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}
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Status = MmcNotifyState (MmcHostInstance, MmcReadyState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));
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return Status;
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}
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Status = MmcHost->SendCommand(MMC_CMD2, 0);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));
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ASSERT(0);
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return Status;
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}
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_CID,Response);
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PrintCID(Response);
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Status = MmcNotifyState (MmcHostInstance, MmcIdentificationState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));
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return Status;
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}
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CmdArg = 0;
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Status = MmcHost->SendCommand(MMC_CMD3, CmdArg);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));
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return Status;
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}
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_RCA,Response);
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PrintRCA(Response[0]);
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// For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card
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if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {
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MmcHostInstance->CardInfo.RCA = Response[0] >> 16;
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} else {
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MmcHostInstance->CardInfo.RCA = CmdArg;
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}
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Status = MmcNotifyState (MmcHostInstance, MmcStandByState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));
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return Status;
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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MmcReset (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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) {
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// Implement me. Either send a CMD0 (could not work for some MMC host) or just turn off/turn
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// on power and restart Identification mode
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return EFI_SUCCESS;
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}
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EFI_STATUS
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MmcDetectCard (
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EFI_MMC_HOST_PROTOCOL *MmcHost
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)
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{
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if (!MmcHost->IsCardPresent()) {
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return EFI_NO_MEDIA;
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} else {
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return EFI_SUCCESS;
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}
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}
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#define MMCI0_BLOCKLEN 512
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#define MMCI0_TIMEOUT 10000
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EFI_STATUS MmcIoBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN UINTN Transfer,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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) {
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UINT32 Response[4];
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EFI_STATUS Status;
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UINTN CardSize, NumBlocks, BlockSize, CmdArg;
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UINTN timer;
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UINTN Cmd;
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MMC_HOST_INSTANCE *MmcHostInstance;
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EFI_MMC_HOST_PROTOCOL *MmcHost;
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UINTN BytesRemainingToBeTransfered;
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UINTN BlockCount = 1;
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MmcHostInstance = MMC_HOST_INSTANCE_FROM_BLOCK_IO_THIS(This);
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ASSERT(MmcHostInstance != 0);
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MmcHost = MmcHostInstance->MmcHost;
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ASSERT(MmcHost);
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if (MmcHost == 0) {
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return EFI_INVALID_PARAMETER;
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}
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// Check if a Card is Present
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if (!MmcHost->IsCardPresent()) {
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MmcHostInstance->BlockIo.Media->MediaPresent = FALSE;
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MmcHostInstance->BlockIo.Media->LastBlock = 0;
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MmcHostInstance->BlockIo.Media->BlockSize = 512; // Should be zero but there is a bug in DiskIo
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MmcHostInstance->BlockIo.Media->ReadOnly = FALSE;
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return EFI_NO_MEDIA;
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}
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// If the driver has not been initialized yet then go into Iddentification Mode
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if (MmcHostInstance->State == MmcHwInitializationState) {
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MmcIdentificationMode (MmcHostInstance);
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CmdArg = MmcHostInstance->CardInfo.RCA << 16;
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Status = MmcHost->SendCommand(MMC_CMD9, CmdArg);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD9): Error\n"));
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ASSERT(0);
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return Status;
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}
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MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_CSD,Response);
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PrintCSD(Response);
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if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
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ASSERT(0); //TODO: Implementation needed
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CardSize = MMC_CSD_GET_DEVICESIZE(Response);
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NumBlocks = ((CardSize + 1) * 1024);;
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BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);
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} else {
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CardSize = MMC_CSD_GET_DEVICESIZE(Response);
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NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT(Response) + 2));
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BlockSize = 1 << MMC_CSD_GET_READBLLEN(Response);
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}
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//For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.
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if (BlockSize > 512) {
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NumBlocks = MultU64x32(NumBlocks, BlockSize/512);
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BlockSize = 512;
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}
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MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);
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MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;
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MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly();
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MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;
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MmcHostInstance->BlockIo.Media->MediaId++;
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CmdArg = MmcHostInstance->CardInfo.RCA << 16;
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Status = MmcHost->SendCommand(MMC_CMD7, CmdArg);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD7): Error\n"));
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ASSERT(0);
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return Status;
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}
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Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
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if (EFI_ERROR(Status)) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcTransferState\n"));
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return Status;
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}
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} else {
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// Maybe test if the card has changed to update gMmcMedia information
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if (MmcHostInstance->State == MmcTransferState) {
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//DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : MmcTransferState\n"));
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} else if (MmcHostInstance->State == MmcStandByState) {
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DEBUG((EFI_D_ERROR, "MmcIdentificationMode() : MmcStandByState\n"));
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} else {
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ASSERT(0);
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}
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}
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if (Lba > This->Media->LastBlock) {
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ASSERT(0);
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return EFI_INVALID_PARAMETER;
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}
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if ((BufferSize % This->Media->BlockSize) != 0) {
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ASSERT(0);
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return EFI_BAD_BUFFER_SIZE;
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}
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BytesRemainingToBeTransfered = BufferSize;
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while (BytesRemainingToBeTransfered > 0) {
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// Set Block Length
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Status = MmcHost->SendCommand(MMC_CMD16, This->Media->BlockSize);
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|
if (EFI_ERROR(Status)) {
|
|
DEBUG((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD16): Error This->Media->BlockSize:%d\n",This->Media->BlockSize));
|
|
ASSERT(0);
|
|
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\n",Cmd));
|
|
ASSERT(0);
|
|
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"));
|
|
ASSERT(0);
|
|
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"));
|
|
ASSERT(0);
|
|
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)
|
|
timer = MMCI0_TIMEOUT;
|
|
while ((MMC_R0_CURRENTSTATE(Response) != MMC_R0_STATE_TRAN) && timer) {
|
|
MmcHost->SendCommand(MMC_CMD13, 0);
|
|
MmcHost->ReceiveResponse(MMC_RESPONSE_TYPE_R1,Response);
|
|
NanoSecondDelay(100);
|
|
timer--;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|