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MmcDxe: Adding eMMC support
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15074 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
oliviermartin
parent
4f67c7ffa1
commit
b4fdedc254
@ -1,7 +1,7 @@
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/** @file
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/** @file
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Definition of the MMC Host Protocol
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Definition of the MMC Host Protocol
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Copyright (c) 2011, ARM Limited. All rights reserved.
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Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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This program and the accompanying materials
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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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are licensed and made available under the terms and conditions of the BSD License
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@ -64,6 +64,10 @@ typedef UINT32 MMC_CMD;
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#define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)
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#define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)
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#define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
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#define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
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// Valid responses for CMD1 in eMMC
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#define EMMC_CMD1_CAPACITY_LESS_THAN_2GB 0x00FF8080 // Capacity <= 2GB, byte addressing used
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#define EMMC_CMD1_CAPACITY_GREATER_THAN_2GB 0x40FF8080 // Capacity > 2GB, 512-byte sector addressing used
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typedef enum _MMC_STATE {
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typedef enum _MMC_STATE {
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MmcInvalidState = 0,
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MmcInvalidState = 0,
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MmcHwInitializationState,
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MmcHwInitializationState,
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@ -1,7 +1,7 @@
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/** @file
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/** @file
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Main Header file for the MMC DXE driver
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Main Header file for the MMC DXE driver
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Copyright (c) 2011-2013, ARM Limited. All rights reserved.
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Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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This program and the accompanying materials
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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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are licensed and made available under the terms and conditions of the BSD License
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@ -58,6 +58,7 @@ typedef enum {
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UNKNOWN_CARD,
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UNKNOWN_CARD,
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MMC_CARD, //MMC card
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MMC_CARD, //MMC card
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MMC_CARD_HIGH, //MMC Card with High capacity
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MMC_CARD_HIGH, //MMC Card with High capacity
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EMMC_CARD, //eMMC 4.41 card
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SD_CARD, //SD 1.1 card
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SD_CARD, //SD 1.1 card
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SD_CARD_2, //SD 2.0 or above standard card
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SD_CARD_2, //SD 2.0 or above standard card
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SD_CARD_2_HIGH //SD 2.0 or above high capacity card
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SD_CARD_2_HIGH //SD 2.0 or above high capacity card
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@ -289,8 +290,15 @@ MmcFlushBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This
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IN EFI_BLOCK_IO_PROTOCOL *This
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);
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);
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EFI_STATUS InitializeMmcDevice (
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EFI_STATUS
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IN MMC_HOST_INSTANCE *MmcHost
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MmcNotifyState (
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IN MMC_HOST_INSTANCE *MmcHostInstance,
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IN MMC_STATE State
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);
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EFI_STATUS
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InitializeMmcDevice (
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IN MMC_HOST_INSTANCE *MmcHost
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);
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);
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VOID
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VOID
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@ -1,6 +1,6 @@
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/** @file
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/** @file
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*
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*
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* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
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* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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*
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*
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* This program and the accompanying materials
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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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* are licensed and made available under the terms and conditions of the BSD License
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@ -17,9 +17,6 @@
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#include "Mmc.h"
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#include "Mmc.h"
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#define MAX_RETRY_COUNT 1000
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#define CMD_RETRY_COUNT 20
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EFI_STATUS
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EFI_STATUS
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MmcNotifyState (
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MmcNotifyState (
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IN MMC_HOST_INSTANCE *MmcHostInstance,
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IN MMC_HOST_INSTANCE *MmcHostInstance,
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@ -65,259 +62,6 @@ MmcGetCardStatus (
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return Status;
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return Status;
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}
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}
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EFI_STATUS
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EFIAPI
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MmcIdentificationMode (
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IN MMC_HOST_INSTANCE *MmcHostInstance
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)
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{
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EFI_STATUS Status;
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UINT32 Response[4];
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UINTN Timeout;
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UINTN CmdArg;
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BOOLEAN IsHCS;
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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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IsHCS = 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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}
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Status = MmcHost->SendCommand (MmcHost, 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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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 (MmcHost, 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 (MmcHost, 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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IsHCS = TRUE;
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MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);
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PrintResponseR1 (Response[0]);
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//check if it is valid response
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if (Response[0] != CmdArg) {
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DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));
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return EFI_UNSUPPORTED;
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}
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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.PowerUp == 1)
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Timeout = MAX_RETRY_COUNT;
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while (Timeout > 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 (MmcHost, 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 (IsHCS) {
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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 (IsHCS) {
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CmdArg |= BIT30;
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}
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Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);
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if (!EFI_ERROR (Status)) {
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MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
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((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
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}
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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 (MmcHost, MMC_CMD1, 0x800000);
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if (!EFI_ERROR (Status)) {
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MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
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((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
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}
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}
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if (!EFI_ERROR (Status)) {
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if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {
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MicroSecondDelay (1);
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Timeout--;
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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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} else {
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MicroSecondDelay (1);
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Timeout--;
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}
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}
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if (Timeout == 0) {
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DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(): No Card\n"));
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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 (MmcHost, 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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return Status;
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}
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MmcHost->ReceiveResponse (MmcHost, 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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//
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// Note, SD specifications say that "if the command execution causes a state change, it
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// will be visible to the host in the response to the next command"
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// The status returned for this CMD3 will be 2 - identification
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//
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CmdArg = 1;
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Status = MmcHost->SendCommand (MmcHost, 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 (MmcHost, 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 InitializeMmcDevice (
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IN MMC_HOST_INSTANCE *MmcHostInstance
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)
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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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EFI_MMC_HOST_PROTOCOL *MmcHost;
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UINTN BlockCount;
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BlockCount = 1;
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MmcHost = MmcHostInstance->MmcHost;
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MmcIdentificationMode (MmcHostInstance);
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//Send a command to get Card specific data
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CmdArg = MmcHostInstance->CardInfo.RCA << 16;
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Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);
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if (EFI_ERROR (Status)) {
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DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));
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return Status;
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}
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//Read Response
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MmcHost->ReceiveResponse (MmcHost, 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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CardSize = HC_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 (MmcHost);
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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 (MmcHost, MMC_CMD7, CmdArg);
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if (EFI_ERROR (Status)) {
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DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));
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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, "InitializeMmcDevice(): Error MmcTransferState\n"));
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return Status;
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}
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// Set Block Length
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Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);
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if (EFI_ERROR (Status)) {
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DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",
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MmcHostInstance->BlockIo.Media->BlockSize, Status));
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return Status;
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}
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// Block Count (not used). Could return an error for SD card
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if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {
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MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);
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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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EFI_STATUS
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EFIAPI
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EFIAPI
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MmcReset (
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MmcReset (
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@ -1,7 +1,7 @@
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#/** @file
|
#/** @file
|
||||||
# Build file for the MMC DXE driver
|
# Build file for the MMC DXE driver
|
||||||
#
|
#
|
||||||
# Copyright (c) 2011-2013, ARM Limited. All rights reserved.
|
# Copyright (c) 2011-2014, ARM Limited. All rights reserved.
|
||||||
#
|
#
|
||||||
# This program and the accompanying materials
|
# This program and the accompanying materials
|
||||||
# are licensed and made available under the terms and conditions of the BSD License
|
# are licensed and made available under the terms and conditions of the BSD License
|
||||||
@ -26,6 +26,7 @@
|
|||||||
ComponentName.c
|
ComponentName.c
|
||||||
Mmc.c
|
Mmc.c
|
||||||
MmcBlockIo.c
|
MmcBlockIo.c
|
||||||
|
MmcIdentification.c
|
||||||
MmcDebug.c
|
MmcDebug.c
|
||||||
Diagnostics.c
|
Diagnostics.c
|
||||||
|
|
||||||
@ -48,4 +49,4 @@
|
|||||||
gEfiDriverDiagnostics2ProtocolGuid
|
gEfiDriverDiagnostics2ProtocolGuid
|
||||||
|
|
||||||
[Depex]
|
[Depex]
|
||||||
TRUE
|
TRUE
|
||||||
|
|||||||
456
EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c
Normal file
456
EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c
Normal file
@ -0,0 +1,456 @@
|
|||||||
|
/** @file
|
||||||
|
*
|
||||||
|
* Copyright (c) 2011-2014, 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/TimerLib.h>
|
||||||
|
|
||||||
|
#include "Mmc.h"
|
||||||
|
|
||||||
|
typedef union {
|
||||||
|
UINT32 Raw;
|
||||||
|
OCR Ocr;
|
||||||
|
} OCR_RESPONSE;
|
||||||
|
|
||||||
|
#define MAX_RETRY_COUNT 1000
|
||||||
|
#define CMD_RETRY_COUNT 20
|
||||||
|
#define RCA_SHIFT_OFFSET 16
|
||||||
|
#define EMMC_CARD_SIZE 512
|
||||||
|
#define EMMC_ECSD_SIZE_OFFSET 53
|
||||||
|
|
||||||
|
UINT32 mEmmcRcaCount = 0;
|
||||||
|
|
||||||
|
STATIC
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
EmmcIdentificationMode (
|
||||||
|
IN MMC_HOST_INSTANCE *MmcHostInstance,
|
||||||
|
IN OCR_RESPONSE Response
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_MMC_HOST_PROTOCOL *Host;
|
||||||
|
EFI_BLOCK_IO_MEDIA *Media;
|
||||||
|
EFI_STATUS Status;
|
||||||
|
UINT32 RCA;
|
||||||
|
UINT32 ECSD[128];
|
||||||
|
|
||||||
|
Host = MmcHostInstance->MmcHost;
|
||||||
|
Media = MmcHostInstance->BlockIo.Media;
|
||||||
|
|
||||||
|
// Fetch card identity register
|
||||||
|
Status = Host->SendCommand (Host, MMC_CMD2, 0);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD2, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CIDData));
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CID retrieval error, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Assign a relative address value to the card
|
||||||
|
MmcHostInstance->CardInfo.RCA = ++mEmmcRcaCount; // TODO: might need a more sophisticated way of doing this
|
||||||
|
RCA = MmcHostInstance->CardInfo.RCA << RCA_SHIFT_OFFSET;
|
||||||
|
Status = Host->SendCommand (Host, MMC_CMD3, RCA);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): RCA set error, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Fetch card specific data
|
||||||
|
Status = Host->SendCommand (Host, MMC_CMD9, RCA);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Failed to send CMD9, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = Host->ReceiveResponse (Host, MMC_RESPONSE_TYPE_R2, (UINT32 *)&(MmcHostInstance->CardInfo.CSDData));
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): CSD retrieval error, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Select the card
|
||||||
|
Status = Host->SendCommand (Host, MMC_CMD7, RCA);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): Card selection error, Status=%r.\n", Status));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Fetch ECSD
|
||||||
|
Status = Host->SendCommand (Host, MMC_CMD8, RCA);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = Host->ReadBlockData (Host, 0, 512, ECSD);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Set up media
|
||||||
|
Media->BlockSize = EMMC_CARD_SIZE; // 512-byte support is mandatory for eMMC cards
|
||||||
|
Media->MediaId = MmcHostInstance->CardInfo.CIDData.PSN;
|
||||||
|
Media->ReadOnly = MmcHostInstance->CardInfo.CSDData.PERM_WRITE_PROTECT;
|
||||||
|
Media->LogicalBlocksPerPhysicalBlock = 1;
|
||||||
|
Media->IoAlign = 4;
|
||||||
|
// Compute last block using bits [215:212] of the ECSD
|
||||||
|
Media->LastBlock = ECSD[EMMC_ECSD_SIZE_OFFSET] - 1; // eMMC isn't supposed to report this for
|
||||||
|
// Cards <2GB in size, but the model does.
|
||||||
|
|
||||||
|
// Setup card type
|
||||||
|
MmcHostInstance->CardInfo.CardType = EMMC_CARD;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
STATIC
|
||||||
|
EFI_STATUS
|
||||||
|
InitializeSdMmcDevice (
|
||||||
|
IN MMC_HOST_INSTANCE *MmcHostInstance
|
||||||
|
)
|
||||||
|
{
|
||||||
|
UINT32 CmdArg;
|
||||||
|
UINT32 Response[4];
|
||||||
|
UINTN BlockSize;
|
||||||
|
UINTN CardSize;
|
||||||
|
UINTN NumBlocks;
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_MMC_HOST_PROTOCOL *MmcHost;
|
||||||
|
|
||||||
|
MmcHost = MmcHostInstance->MmcHost;
|
||||||
|
|
||||||
|
// Send a command to get Card specific data
|
||||||
|
CmdArg = MmcHostInstance->CardInfo.RCA << 16;
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD9, CmdArg);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD9): Error, Status=%r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Read Response
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CSD, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(): Failed to receive CSD, Status=%r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
PrintCSD (Response);
|
||||||
|
|
||||||
|
if (MmcHostInstance->CardInfo.CardType == SD_CARD_2_HIGH) {
|
||||||
|
CardSize = HC_MMC_CSD_GET_DEVICESIZE (Response);
|
||||||
|
NumBlocks = ((CardSize + 1) * 1024);
|
||||||
|
BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);
|
||||||
|
} else {
|
||||||
|
CardSize = MMC_CSD_GET_DEVICESIZE (Response);
|
||||||
|
NumBlocks = (CardSize + 1) * (1 << (MMC_CSD_GET_DEVICESIZEMULT (Response) + 2));
|
||||||
|
BlockSize = 1 << MMC_CSD_GET_READBLLEN (Response);
|
||||||
|
}
|
||||||
|
|
||||||
|
// For >=2G card, BlockSize may be 1K, but the transfer size is 512 bytes.
|
||||||
|
if (BlockSize > 512) {
|
||||||
|
NumBlocks = MultU64x32 (NumBlocks, BlockSize / 512);
|
||||||
|
BlockSize = 512;
|
||||||
|
}
|
||||||
|
|
||||||
|
MmcHostInstance->BlockIo.Media->LastBlock = (NumBlocks - 1);
|
||||||
|
MmcHostInstance->BlockIo.Media->BlockSize = BlockSize;
|
||||||
|
MmcHostInstance->BlockIo.Media->ReadOnly = MmcHost->IsReadOnly (MmcHost);
|
||||||
|
MmcHostInstance->BlockIo.Media->MediaPresent = TRUE;
|
||||||
|
MmcHostInstance->BlockIo.Media->MediaId++;
|
||||||
|
|
||||||
|
CmdArg = MmcHostInstance->CardInfo.RCA << 16;
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD7, CmdArg);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeSdMmcDevice(MMC_CMD7): Error and Status = %r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
STATIC
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
MmcIdentificationMode (
|
||||||
|
IN MMC_HOST_INSTANCE *MmcHostInstance
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
UINT32 Response[4];
|
||||||
|
UINTN Timeout;
|
||||||
|
UINTN CmdArg;
|
||||||
|
BOOLEAN IsHCS;
|
||||||
|
EFI_MMC_HOST_PROTOCOL *MmcHost;
|
||||||
|
OCR_RESPONSE OcrResponse;
|
||||||
|
|
||||||
|
MmcHost = MmcHostInstance->MmcHost;
|
||||||
|
CmdArg = 0;
|
||||||
|
IsHCS = FALSE;
|
||||||
|
|
||||||
|
if (MmcHost == NULL) {
|
||||||
|
return EFI_INVALID_PARAMETER;
|
||||||
|
}
|
||||||
|
|
||||||
|
// We can get into this function if we restart the identification mode
|
||||||
|
if (MmcHostInstance->State == MmcHwInitializationState) {
|
||||||
|
// Initialize the MMC Host HW
|
||||||
|
Status = MmcNotifyState (MmcHostInstance, MmcHwInitializationState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcHwInitializationState, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD0, 0);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD0): Error, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
Status = MmcNotifyState (MmcHostInstance, MmcIdleState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdleState, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Send CMD1 to get OCR (SD / MMC)
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, EMMC_CMD1_CAPACITY_GREATER_THAN_2GB);
|
||||||
|
if (Status == EFI_SUCCESS) {
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, (UINT32 *)&OcrResponse);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!OcrResponse.Ocr.PowerUp) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD1): Card initialisation failure, Status=%r.\n", Status));
|
||||||
|
return EFI_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
OcrResponse.Ocr.PowerUp = 0;
|
||||||
|
if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB) {
|
||||||
|
MmcHostInstance->CardInfo.OCRData.AccessMode = BIT1;
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
MmcHostInstance->CardInfo.OCRData.AccessMode = 0x0;
|
||||||
|
}
|
||||||
|
if (OcrResponse.Raw == EMMC_CMD1_CAPACITY_GREATER_THAN_2GB ||
|
||||||
|
OcrResponse.Raw == EMMC_CMD1_CAPACITY_LESS_THAN_2GB) {
|
||||||
|
return EmmcIdentificationMode (MmcHostInstance, OcrResponse);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD1) : Failed to send command, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Are we using SDIO ?
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD5, 0);
|
||||||
|
if (Status == EFI_SUCCESS) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD5): Error - SDIO not supported, Status=%r.\n", Status));
|
||||||
|
return EFI_UNSUPPORTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Check which kind of card we are using. Ver2.00 or later SD Memory Card (PL180 is SD v1.1)
|
||||||
|
CmdArg = (0x0UL << 12 | BIT8 | 0xCEUL << 0);
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD8, CmdArg);
|
||||||
|
if (Status == EFI_SUCCESS) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Card is SD2.0 => Supports high capacity\n"));
|
||||||
|
IsHCS = TRUE;
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_R7, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive response to CMD8, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
PrintResponseR1 (Response[0]);
|
||||||
|
// Check if it is valid response
|
||||||
|
if (Response[0] != CmdArg) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "The Card is not usable\n"));
|
||||||
|
return EFI_UNSUPPORTED;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Not a SD2.0 Card\n"));
|
||||||
|
}
|
||||||
|
|
||||||
|
// We need to wait for the MMC or SD card is ready => (gCardInfo.OCRData.PowerUp == 1)
|
||||||
|
Timeout = MAX_RETRY_COUNT;
|
||||||
|
while (Timeout > 0) {
|
||||||
|
// SD Card or MMC Card ? CMD55 indicates to the card that the next command is an application specific command
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD55, 0);
|
||||||
|
if (Status == EFI_SUCCESS) {
|
||||||
|
DEBUG ((EFI_D_INFO, "Card should be SD\n"));
|
||||||
|
if (IsHCS) {
|
||||||
|
MmcHostInstance->CardInfo.CardType = SD_CARD_2;
|
||||||
|
} else {
|
||||||
|
MmcHostInstance->CardInfo.CardType = SD_CARD;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Note: The first time CmdArg will be zero
|
||||||
|
CmdArg = ((UINTN *) &(MmcHostInstance->CardInfo.OCRData))[0];
|
||||||
|
if (IsHCS) {
|
||||||
|
CmdArg |= BIT30;
|
||||||
|
}
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_ACMD41, CmdArg);
|
||||||
|
if (!EFI_ERROR (Status)) {
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
DEBUG ((EFI_D_INFO, "Card should be MMC\n"));
|
||||||
|
MmcHostInstance->CardInfo.CardType = MMC_CARD;
|
||||||
|
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD1, 0x800000);
|
||||||
|
if (!EFI_ERROR (Status)) {
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_OCR, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive OCR, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
((UINT32 *) &(MmcHostInstance->CardInfo.OCRData))[0] = Response[0];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!EFI_ERROR (Status)) {
|
||||||
|
if (!MmcHostInstance->CardInfo.OCRData.PowerUp) {
|
||||||
|
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"));
|
||||||
|
return EFI_NO_MEDIA;
|
||||||
|
} else {
|
||||||
|
PrintOCR (Response[0]);
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = MmcNotifyState (MmcHostInstance, MmcReadyState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcReadyState\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD2, 0);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD2): Error\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_CID, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive CID, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
PrintCID (Response);
|
||||||
|
|
||||||
|
Status = MmcHost->NotifyState (MmcHost, MmcIdentificationState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcIdentificationState\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Note, SD specifications say that "if the command execution causes a state change, it
|
||||||
|
// will be visible to the host in the response to the next command"
|
||||||
|
// The status returned for this CMD3 will be 2 - identification
|
||||||
|
//
|
||||||
|
CmdArg = 1;
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD3, CmdArg);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode(MMC_CMD3): Error\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = MmcHost->ReceiveResponse (MmcHost, MMC_RESPONSE_TYPE_RCA, Response);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Failed to receive RCA, Status=%r.\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
PrintRCA (Response[0]);
|
||||||
|
|
||||||
|
// For MMC card, RCA is assigned by CMD3 while CMD3 dumps the RCA for SD card
|
||||||
|
if (MmcHostInstance->CardInfo.CardType != MMC_CARD) {
|
||||||
|
MmcHostInstance->CardInfo.RCA = Response[0] >> 16;
|
||||||
|
} else {
|
||||||
|
MmcHostInstance->CardInfo.RCA = CmdArg;
|
||||||
|
}
|
||||||
|
Status = MmcNotifyState (MmcHostInstance, MmcStandByState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "MmcIdentificationMode() : Error MmcStandByState\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
InitializeMmcDevice (
|
||||||
|
IN MMC_HOST_INSTANCE *MmcHostInstance
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_MMC_HOST_PROTOCOL *MmcHost;
|
||||||
|
UINTN BlockCount;
|
||||||
|
|
||||||
|
BlockCount = 1;
|
||||||
|
MmcHost = MmcHostInstance->MmcHost;
|
||||||
|
|
||||||
|
Status = MmcIdentificationMode (MmcHostInstance);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error in Identification Mode, Status=%r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = MmcNotifyState (MmcHostInstance, MmcTransferState);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeMmcDevice(): Error MmcTransferState, Status=%r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (MmcHostInstance->CardInfo.CardType != EMMC_CARD) {
|
||||||
|
Status = InitializeSdMmcDevice (MmcHostInstance);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Set Block Length
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD16, MmcHostInstance->BlockIo.Media->BlockSize);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD16): Error MmcHostInstance->BlockIo.Media->BlockSize: %d and Error = %r\n",
|
||||||
|
MmcHostInstance->BlockIo.Media->BlockSize, Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Block Count (not used). Could return an error for SD card
|
||||||
|
if (MmcHostInstance->CardInfo.CardType == MMC_CARD) {
|
||||||
|
Status = MmcHost->SendCommand (MmcHost, MMC_CMD23, BlockCount);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeMmcDevice(MMC_CMD23): Error, Status=%r\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user