diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c | 1199 |
1 files changed, 0 insertions, 1199 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c deleted file mode 100644 index 9e70de956f..0000000000 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c +++ /dev/null @@ -1,1199 +0,0 @@ -/** @file
- This file provides some helper functions which are specific for SD card device.
-
- Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
- 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 "SdMmcPciHcDxe.h"
-
-/**
- Send command GO_IDLE_STATE to the device to make it go to Idle State.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS The SD device is reset correctly.
- @retval Others The device reset fails.
-
-**/
-EFI_STATUS
-SdCardReset (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_GO_IDLE_STATE;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SEND_IF_COND to the device to inquiry the SD Memory Card interface
- condition.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] SupplyVoltage The supplied voltage by the host.
- @param[in] CheckPattern The check pattern to be sent to the device.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardVoltageCheck (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT8 SupplyVoltage,
- IN UINT8 CheckPattern
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_IF_COND;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR7;
- SdMmcCmdBlk.CommandArgument = (SupplyVoltage << 8) | CheckPattern;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- if (!EFI_ERROR (Status)) {
- if (SdMmcStatusBlk.Resp0 != SdMmcCmdBlk.CommandArgument) {
- return EFI_DEVICE_ERROR;
- }
- }
-
- return Status;
-}
-
-/**
- Send command SDIO_SEND_OP_COND to the device to see whether it is SDIO device.
-
- Refer to SDIO Simplified Spec 3 Section 3.2 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] VoltageWindow The supply voltage window.
- @param[in] S18R The boolean to show if it should switch to 1.8v.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdioSendOpCond (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT32 VoltageWindow,
- IN BOOLEAN S18R
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT32 Switch;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SDIO_SEND_OP_COND;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR4;
-
- Switch = S18R ? BIT24 : 0;
-
- SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SD_SEND_OP_COND to the device to see whether it is SDIO device.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of addressed device.
- @param[in] VoltageWindow The supply voltage window.
- @param[in] S18R The boolean to show if it should switch to 1.8v.
- @param[in] Xpc The boolean to show if it should provide 0.36w power control.
- @param[in] Hcs The boolean to show if it support host capacity info.
- @param[out] Ocr The buffer to store returned OCR register value.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSendOpCond (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN UINT32 VoltageWindow,
- IN BOOLEAN S18R,
- IN BOOLEAN Xpc,
- IN BOOLEAN Hcs,
- OUT UINT32 *Ocr
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT32 Switch;
- UINT32 MaxPower;
- UINT32 HostCapacity;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_APP_CMD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_OP_COND;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;
-
- Switch = S18R ? BIT24 : 0;
- MaxPower = Xpc ? BIT28 : 0;
- HostCapacity = Hcs ? BIT30 : 0;
-
- SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch | MaxPower | HostCapacity;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (!EFI_ERROR (Status)) {
- //
- // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
- //
- *Ocr = SdMmcStatusBlk.Resp0;
- }
-
- return Status;
-}
-
-/**
- Broadcast command ALL_SEND_CID to the bus to ask all the SD devices to send the
- data of their CID registers.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardAllSendCid (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_ALL_SEND_CID;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SET_RELATIVE_ADDR to the SD device to assign a Relative device
- Address (RCA).
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[out] Rca The relative device address to assign.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSetRca (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- OUT UINT16 *Rca
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (!EFI_ERROR (Status)) {
- *Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);
- }
-
- return Status;
-}
-
-/**
- Send command SEND_CSD to the SD device to get the data of the CSD register.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of selected device.
- @param[out] Csd The buffer to store the content of the CSD register.
- Note the caller should ignore the lowest byte of this
- buffer as the content of this byte is meaningless even
- if the operation succeeds.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardGetCsd (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- OUT SD_CSD *Csd
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (!EFI_ERROR (Status)) {
- //
- // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
- //
- CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);
- }
-
- return Status;
-}
-
-/**
- Send command SEND_CSD to the SD device to get the data of the CSD register.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of selected device.
- @param[out] Scr The buffer to store the content of the SCR register.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardGetScr (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- OUT SD_SCR *Scr
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_APP_CMD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_SCR;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
-
- Packet.InDataBuffer = Scr;
- Packet.InTransferLength = sizeof (SD_SCR);
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SELECT_DESELECT_CARD to the SD device to select/deselect it.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of selected device.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSelect (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- if (Rca != 0) {
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
- }
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command VOLTAGE_SWITCH to the SD device to switch the voltage of the device.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardVoltageSwitch (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_VOLTAGE_SWITCH;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = 0;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SET_BUS_WIDTH to the SD device to set the bus width.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of addressed device.
- @param[in] BusWidth The bus width to be set, it could be 1 or 4.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSetBusWidth (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN UINT8 BusWidth
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT8 Value;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_APP_CMD;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- SdMmcCmdBlk.CommandIndex = SD_SET_BUS_WIDTH;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
-
- if (BusWidth == 1) {
- Value = 0;
- } else if (BusWidth == 4) {
- Value = 2;
- } else {
- return EFI_INVALID_PARAMETER;
- }
-
- SdMmcCmdBlk.CommandArgument = Value & 0x3;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- return Status;
-}
-
-/**
- Send command SWITCH_FUNC to the SD device to check switchable function or switch card function.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] AccessMode The value for access mode group.
- @param[in] CommandSystem The value for command set group.
- @param[in] DriveStrength The value for drive length group.
- @param[in] PowerLimit The value for power limit group.
- @param[in] Mode Switch or check function.
- @param[out] SwitchResp The return switch function status.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSwitch (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT8 AccessMode,
- IN UINT8 CommandSystem,
- IN UINT8 DriveStrength,
- IN UINT8 PowerLimit,
- IN BOOLEAN Mode,
- OUT UINT8 *SwitchResp
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT32 ModeValue;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SWITCH_FUNC;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
-
- ModeValue = Mode ? BIT31 : 0;
- SdMmcCmdBlk.CommandArgument = (AccessMode & 0xF) | ((PowerLimit & 0xF) << 4) | \
- ((DriveStrength & 0xF) << 8) | ((DriveStrength & 0xF) << 12) | \
- ModeValue;
-
- Packet.InDataBuffer = SwitchResp;
- Packet.InTransferLength = 64;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Send command SEND_STATUS to the addressed SD device to get its status register.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address of addressed device.
- @param[out] DevStatus The returned device status.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSendStatus (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- OUT UINT32 *DevStatus
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
- if (!EFI_ERROR (Status)) {
- *DevStatus = SdMmcStatusBlk.Resp0;
- }
-
- return Status;
-}
-
-/**
- Send command SEND_TUNING_BLOCK to the SD device for HS200 optimal sampling point
- detection.
-
- It may be sent up to 40 times until the host finishes the tuning procedure.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
-
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSendTuningBlk (
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
- )
-{
- EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
- EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
- EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
- EFI_STATUS Status;
- UINT8 TuningBlock[64];
-
- ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
- ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
- ZeroMem (&Packet, sizeof (Packet));
-
- Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
- Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
- Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
-
- SdMmcCmdBlk.CommandIndex = SD_SEND_TUNING_BLOCK;
- SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
- SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
- SdMmcCmdBlk.CommandArgument = 0;
-
- Packet.InDataBuffer = TuningBlock;
- Packet.InTransferLength = sizeof (TuningBlock);
-
- Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
-
- return Status;
-}
-
-/**
- Tunning the sampling point of SDR104 or SDR50 bus speed mode.
-
- Command SD_SEND_TUNING_BLOCK may be sent up to 40 times until the host finishes the
- tuning procedure.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and
- SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.
-
- @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardTuningClock (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot
- )
-{
- EFI_STATUS Status;
- UINT8 HostCtrl2;
- UINT8 Retry;
-
- //
- // Notify the host that the sampling clock tuning procedure starts.
- //
- HostCtrl2 = BIT6;
- Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Ask the device to send a sequence of tuning blocks till the tuning procedure is done.
- //
- Retry = 0;
- do {
- Status = SdCardSendTuningBlk (PassThru, Slot);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardSendTuningBlk: Send tuning block fails with %r\n", Status));
- return Status;
- }
-
- Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((HostCtrl2 & (BIT6 | BIT7)) == 0) {
- break;
- }
- if ((HostCtrl2 & (BIT6 | BIT7)) == BIT7) {
- return EFI_SUCCESS;
- }
- } while (++Retry < 40);
-
- DEBUG ((DEBUG_ERROR, "SdCardTuningClock: Send tuning block fails at %d times with HostCtrl2 %02x\n", Retry, HostCtrl2));
- //
- // Abort the tuning procedure and reset the tuning circuit.
- //
- HostCtrl2 = (UINT8)~(BIT6 | BIT7);
- Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- return EFI_DEVICE_ERROR;
-}
-
-/**
- Switch the bus width to specified width.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and
- SD Host Controller Simplified Spec 3.0 section Figure 3-7 for details.
-
- @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address to be assigned.
- @param[in] BusWidth The bus width to be set, it could be 4 or 8.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSwitchBusWidth (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN UINT8 BusWidth
- )
-{
- EFI_STATUS Status;
- UINT32 DevStatus;
-
- Status = SdCardSetBusWidth (PassThru, Slot, Rca, BusWidth);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: Switch to bus width %d fails with %r\n", BusWidth, Status));
- return Status;
- }
-
- Status = SdCardSendStatus (PassThru, Slot, Rca, &DevStatus);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: Send status fails with %r\n", Status));
- return Status;
- }
- //
- // Check the switch operation is really successful or not.
- //
- if ((DevStatus >> 16) != 0) {
- DEBUG ((DEBUG_ERROR, "SdCardSwitchBusWidth: The switch operation fails as DevStatus is 0x%08x\n", DevStatus));
- return EFI_DEVICE_ERROR;
- }
-
- Status = SdMmcHcSetBusWidth (PciIo, Slot, BusWidth);
-
- return Status;
-}
-
-/**
- Switch the high speed timing according to request.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 and
- SD Host Controller Simplified Spec 3.0 section Figure 2-29 for details.
-
- @param[in] PciIo A pointer to the EFI_PCI_IO_PROTOCOL instance.
- @param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
- @param[in] Slot The slot number of the SD card to send the command to.
- @param[in] Rca The relative device address to be assigned.
- @param[in] S18A The boolean to show if it's a UHS-I SD card.
-
- @retval EFI_SUCCESS The operation is done correctly.
- @retval Others The operation fails.
-
-**/
-EFI_STATUS
-SdCardSetBusMode (
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
- IN UINT8 Slot,
- IN UINT16 Rca,
- IN BOOLEAN S18A
- )
-{
- EFI_STATUS Status;
- SD_MMC_HC_SLOT_CAP *Capability;
- UINT32 ClockFreq;
- UINT8 BusWidth;
- UINT8 AccessMode;
- UINT8 HostCtrl1;
- UINT8 HostCtrl2;
- UINT8 SwitchResp[64];
- SD_MMC_HC_PRIVATE_DATA *Private;
-
- Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
-
- Capability = &Private->Capability[Slot];
-
- Status = SdCardSelect (PassThru, Slot, Rca);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- BusWidth = 4;
-
- Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, BusWidth);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Get the supported bus speed from SWITCH cmd return data group #1.
- //
- Status = SdCardSwitch (PassThru, Slot, 0xF, 0xF, 0xF, 0xF, FALSE, SwitchResp);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Calculate supported bus speed/bus width/clock frequency by host and device capability.
- //
- ClockFreq = 0;
- if (S18A && (Capability->Sdr104 != 0) && ((SwitchResp[13] & BIT3) != 0)) {
- ClockFreq = 208;
- AccessMode = 3;
- } else if (S18A && (Capability->Sdr50 != 0) && ((SwitchResp[13] & BIT2) != 0)) {
- ClockFreq = 100;
- AccessMode = 2;
- } else if (S18A && (Capability->Ddr50 != 0) && ((SwitchResp[13] & BIT4) != 0)) {
- ClockFreq = 50;
- AccessMode = 4;
- } else if ((SwitchResp[13] & BIT1) != 0) {
- ClockFreq = 50;
- AccessMode = 1;
- } else {
- ClockFreq = 25;
- AccessMode = 0;
- }
-
- Status = SdCardSwitch (PassThru, Slot, AccessMode, 0xF, 0xF, 0xF, TRUE, SwitchResp);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((SwitchResp[16] & 0xF) != AccessMode) {
- DEBUG ((DEBUG_ERROR, "SdCardSetBusMode: Switch to AccessMode %d ClockFreq %d BusWidth %d fails! The Switch response is 0x%1x\n", AccessMode, ClockFreq, BusWidth, SwitchResp[16] & 0xF));
- return EFI_DEVICE_ERROR;
- }
-
- DEBUG ((DEBUG_INFO, "SdCardSetBusMode: Switch to AccessMode %d ClockFreq %d BusWidth %d\n", AccessMode, ClockFreq, BusWidth));
-
- //
- // Set to Hight Speed timing
- //
- if (AccessMode == 1) {
- HostCtrl1 = BIT2;
- Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- HostCtrl2 = (UINT8)~0x7;
- Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- HostCtrl2 = AccessMode;
- Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, *Capability);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((AccessMode == 3) || ((AccessMode == 2) && (Capability->TuningSDR50 != 0))) {
- Status = SdCardTuningClock (PciIo, PassThru, Slot);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- return Status;
-}
-
-/**
- Execute SD device identification procedure.
-
- Refer to SD Physical Layer Simplified Spec 4.1 Section 3.6 for details.
-
- @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
- @param[in] Slot The slot number of the SD card to send the command to.
-
- @retval EFI_SUCCESS There is a SD card.
- @retval Others There is not a SD card.
-
-**/
-EFI_STATUS
-SdCardIdentification (
- IN SD_MMC_HC_PRIVATE_DATA *Private,
- IN UINT8 Slot
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
- UINT32 Ocr;
- UINT16 Rca;
- BOOLEAN Xpc;
- BOOLEAN S18r;
- UINT64 MaxCurrent;
- UINT16 ControllerVer;
- UINT8 PowerCtrl;
- UINT32 PresentState;
- UINT8 HostCtrl2;
- UINTN Retry;
-
- PciIo = Private->PciIo;
- PassThru = &Private->PassThru;
- //
- // 1. Send Cmd0 to the device
- //
- Status = SdCardReset (PassThru, Slot);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing Cmd0 fails with %r\n", Status));
- return Status;
- }
- //
- // 2. Send Cmd8 to the device
- //
- Status = SdCardVoltageCheck (PassThru, Slot, 0x1, 0xFF);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing Cmd8 fails with %r\n", Status));
- return Status;
- }
- //
- // 3. Send SDIO Cmd5 to the device to the SDIO device OCR register.
- //
- Status = SdioSendOpCond (PassThru, Slot, 0, FALSE);
- if (!EFI_ERROR (Status)) {
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Found SDIO device, ignore it as we don't support\n"));
- return EFI_DEVICE_ERROR;
- }
- //
- // 4. Send Acmd41 with voltage window 0 to the device
- //
- Status = SdCardSendOpCond (PassThru, Slot, 0, 0, FALSE, FALSE, FALSE, &Ocr);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Executing SdCardSendOpCond fails with %r\n", Status));
- return EFI_DEVICE_ERROR;
- }
-
- if (Private->Capability[Slot].Voltage33 != 0) {
- //
- // Support 3.3V
- //
- MaxCurrent = ((UINT32)Private->MaxCurrent[Slot] & 0xFF) * 4;
- } else if (Private->Capability[Slot].Voltage30 != 0) {
- //
- // Support 3.0V
- //
- MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 8) & 0xFF) * 4;
- } else if (Private->Capability[Slot].Voltage18 != 0) {
- //
- // Support 1.8V
- //
- MaxCurrent = (((UINT32)Private->MaxCurrent[Slot] >> 16) & 0xFF) * 4;
- } else {
- ASSERT (FALSE);
- return EFI_DEVICE_ERROR;
- }
-
- if (MaxCurrent >= 150) {
- Xpc = TRUE;
- } else {
- Xpc = FALSE;
- }
-
- Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof (ControllerVer), &ControllerVer);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((ControllerVer & 0xFF) == 2) {
- S18r = TRUE;
- } else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) {
- S18r = FALSE;
- } else {
- ASSERT (FALSE);
- return EFI_UNSUPPORTED;
- }
- //
- // 5. Repeatly send Acmd41 with supply voltage window to the device.
- // Note here we only support the cards complied with SD physical
- // layer simplified spec version 2.0 and version 3.0 and above.
- //
- Ocr = 0;
- Retry = 0;
- do {
- Status = SdCardSendOpCond (PassThru, Slot, 0, Ocr, S18r, Xpc, TRUE, &Ocr);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: SdCardSendOpCond fails with %r Ocr %x, S18r %x, Xpc %x\n", Status, Ocr, S18r, Xpc));
- return EFI_DEVICE_ERROR;
- }
-
- if (Retry++ == 100) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: SdCardSendOpCond fails too many times\n"));
- return EFI_DEVICE_ERROR;
- }
- gBS->Stall(10 * 1000);
- } while ((Ocr & BIT31) == 0);
-
- //
- // 6. If the S18A bit is set and the Host Controller supports 1.8V signaling
- // (One of support bits is set to 1: SDR50, SDR104 or DDR50 in the
- // Capabilities register), switch its voltage to 1.8V.
- //
- if ((Private->Capability[Slot].Sdr50 != 0 ||
- Private->Capability[Slot].Sdr104 != 0 ||
- Private->Capability[Slot].Ddr50 != 0) &&
- ((Ocr & BIT24) != 0)) {
- Status = SdCardVoltageSwitch (PassThru, Slot);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardVoltageSwitch fails with %r\n", Status));
- Status = EFI_DEVICE_ERROR;
- goto Error;
- } else {
- Status = SdMmcHcStopClock (PciIo, Slot);
- if (EFI_ERROR (Status)) {
- Status = EFI_DEVICE_ERROR;
- goto Error;
- }
-
- SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);
- if (((PresentState >> 20) & 0xF) != 0) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x\n", PresentState));
- Status = EFI_DEVICE_ERROR;
- goto Error;
- }
- HostCtrl2 = BIT3;
- SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
-
- gBS->Stall (5000);
-
- SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, TRUE, sizeof (HostCtrl2), &HostCtrl2);
- if ((HostCtrl2 & BIT3) == 0) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with HostCtrl2 = 0x%x\n", HostCtrl2));
- Status = EFI_DEVICE_ERROR;
- goto Error;
- }
-
- SdMmcHcInitClockFreq (PciIo, Slot, Private->Capability[Slot]);
-
- gBS->Stall (1000);
-
- SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);
- if (((PresentState >> 20) & 0xF) != 0xF) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: SwitchVoltage fails with PresentState = 0x%x, It should be 0xF\n", PresentState));
- Status = EFI_DEVICE_ERROR;
- goto Error;
- }
- }
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Switch to 1.8v signal voltage success\n"));
- }
-
- Status = SdCardAllSendCid (PassThru, Slot);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardAllSendCid fails with %r\n", Status));
- return Status;
- }
-
- Status = SdCardSetRca (PassThru, Slot, &Rca);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "SdCardIdentification: Executing SdCardSetRca fails with %r\n", Status));
- return Status;
- }
- //
- // Enter Data Tranfer Mode.
- //
- DEBUG ((DEBUG_INFO, "SdCardIdentification: Found a SD device at slot [%d]\n", Slot));
- Private->Slot[Slot].CardType = SdCardType;
-
- Status = SdCardSetBusMode (PciIo, PassThru, Slot, Rca, ((Ocr & BIT24) != 0));
-
- return Status;
-
-Error:
- //
- // Set SD Bus Power = 0
- //
- PowerCtrl = (UINT8)~BIT0;
- Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_POWER_CTRL, sizeof (PowerCtrl), &PowerCtrl);
- return EFI_DEVICE_ERROR;
-}
-
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