mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
1392 lines
46 KiB
C
1392 lines
46 KiB
C
/** @file
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This file provides some helper functions which are specific for SD card device.
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Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
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Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "SdMmcPciHcDxe.h"
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/**
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Send command GO_IDLE_STATE to the device to make it go to Idle State.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@retval EFI_SUCCESS The SD device is reset correctly.
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@retval Others The device reset fails.
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**/
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EFI_STATUS
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SdCardReset (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_GO_IDLE_STATE;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command SEND_IF_COND to the device to inquiry the SD Memory Card interface
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condition.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] SupplyVoltage The supplied voltage by the host.
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@param[in] CheckPattern The check pattern to be sent to the device.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardVoltageCheck (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT8 SupplyVoltage,
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IN UINT8 CheckPattern
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SEND_IF_COND;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR7;
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SdMmcCmdBlk.CommandArgument = (SupplyVoltage << 8) | CheckPattern;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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if (!EFI_ERROR (Status)) {
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if (SdMmcStatusBlk.Resp0 != SdMmcCmdBlk.CommandArgument) {
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return EFI_DEVICE_ERROR;
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}
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}
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return Status;
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}
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/**
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Send command SDIO_SEND_OP_COND to the device to see whether it is SDIO device.
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Refer to SDIO Simplified Spec 3 Section 3.2 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] VoltageWindow The supply voltage window.
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@param[in] S18R The boolean to show if it should switch to 1.8v.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdioSendOpCond (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT32 VoltageWindow,
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IN BOOLEAN S18R
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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UINT32 Switch;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SDIO_SEND_OP_COND;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR4;
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Switch = S18R ? BIT24 : 0;
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SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command SD_SEND_OP_COND to the device to see whether it is SDIO device.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] Rca The relative device address of addressed device.
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@param[in] VoltageWindow The supply voltage window.
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@param[in] S18R The boolean to show if it should switch to 1.8v.
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@param[in] Xpc The boolean to show if it should provide 0.36w power control.
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@param[in] Hcs The boolean to show if it support host capacity info.
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@param[out] Ocr The buffer to store returned OCR register value.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardSendOpCond (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT16 Rca,
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IN UINT32 VoltageWindow,
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IN BOOLEAN S18R,
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IN BOOLEAN Xpc,
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IN BOOLEAN Hcs,
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OUT UINT32 *Ocr
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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UINT32 Switch;
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UINT32 MaxPower;
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UINT32 HostCapacity;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_APP_CMD;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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SdMmcCmdBlk.CommandIndex = SD_SEND_OP_COND;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;
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Switch = S18R ? BIT24 : 0;
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MaxPower = Xpc ? BIT28 : 0;
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HostCapacity = Hcs ? BIT30 : 0;
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SdMmcCmdBlk.CommandArgument = (VoltageWindow & 0xFFFFFF) | Switch | MaxPower | HostCapacity;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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if (!EFI_ERROR (Status)) {
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//
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// For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
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//
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*Ocr = SdMmcStatusBlk.Resp0;
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}
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return Status;
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}
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/**
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Broadcast command ALL_SEND_CID to the bus to ask all the SD devices to send the
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data of their CID registers.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardAllSendCid (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_ALL_SEND_CID;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command SET_RELATIVE_ADDR to the SD device to assign a Relative device
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Address (RCA).
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[out] Rca The relative device address to assign.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardSetRca (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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OUT UINT16 *Rca
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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if (!EFI_ERROR (Status)) {
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*Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);
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}
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return Status;
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}
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/**
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Send command SELECT_DESELECT_CARD to the SD device to select/deselect it.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] Rca The relative device address of selected device.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardSelect (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT16 Rca
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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if (Rca != 0) {
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
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}
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command VOLTAGE_SWITCH to the SD device to switch the voltage of the device.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardVoltageSwitch (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_VOLTAGE_SWITCH;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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SdMmcCmdBlk.CommandArgument = 0;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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return Status;
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}
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/**
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Send command SET_BUS_WIDTH to the SD device to set the bus width.
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Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.
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@param[in] PassThru A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
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@param[in] Slot The slot number of the SD card to send the command to.
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@param[in] Rca The relative device address of addressed device.
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@param[in] BusWidth The bus width to be set, it could be 1 or 4.
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@retval EFI_SUCCESS The operation is done correctly.
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@retval Others The operation fails.
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**/
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EFI_STATUS
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SdCardSetBusWidth (
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IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
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IN UINT8 Slot,
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IN UINT16 Rca,
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IN UINT8 BusWidth
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)
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{
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EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;
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EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;
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EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;
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EFI_STATUS Status;
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UINT8 Value;
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ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));
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ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));
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ZeroMem (&Packet, sizeof (Packet));
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Packet.SdMmcCmdBlk = &SdMmcCmdBlk;
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Packet.SdMmcStatusBlk = &SdMmcStatusBlk;
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Packet.Timeout = SD_MMC_HC_GENERIC_TIMEOUT;
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SdMmcCmdBlk.CommandIndex = SD_APP_CMD;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
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Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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SdMmcCmdBlk.CommandIndex = SD_SET_BUS_WIDTH;
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SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
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SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
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if (BusWidth == 1) {
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Value = 0;
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} else if (BusWidth == 4) {
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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] BusTiming Target bus timing based on which access group value will be set.
|
|
@param[in] CommandSystem The value for command set group.
|
|
@param[in] DriverStrength The value for driver strength 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 SD_MMC_BUS_MODE BusTiming,
|
|
IN UINT8 CommandSystem,
|
|
IN SD_DRIVER_STRENGTH_TYPE DriverStrength,
|
|
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;
|
|
UINT8 AccessMode;
|
|
|
|
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;
|
|
|
|
switch (BusTiming) {
|
|
case SdMmcUhsDdr50:
|
|
AccessMode = 0x4;
|
|
break;
|
|
case SdMmcUhsSdr104:
|
|
AccessMode = 0x3;
|
|
break;
|
|
case SdMmcUhsSdr50:
|
|
AccessMode = 0x2;
|
|
break;
|
|
case SdMmcUhsSdr25:
|
|
case SdMmcSdHs:
|
|
AccessMode = 0x1;
|
|
break;
|
|
case SdMmcUhsSdr12:
|
|
case SdMmcSdDs:
|
|
AccessMode = 0;
|
|
break;
|
|
default:
|
|
AccessMode = 0xF;
|
|
}
|
|
|
|
SdMmcCmdBlk.CommandArgument = (AccessMode & 0xF) | ((CommandSystem & 0xF) << 4) | \
|
|
((DriverStrength & 0xF) << 8) | ((PowerLimit & 0xF) << 12) | \
|
|
ModeValue;
|
|
|
|
Packet.InDataBuffer = SwitchResp;
|
|
Packet.InTransferLength = 64;
|
|
|
|
Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
if (Mode) {
|
|
if ((((AccessMode & 0xF) != 0xF) && ((SwitchResp[16] & 0xF) != AccessMode)) ||
|
|
(((CommandSystem & 0xF) != 0xF) && (((SwitchResp[16] >> 4) & 0xF) != CommandSystem)) ||
|
|
(((DriverStrength & 0xF) != 0xF) && ((SwitchResp[15] & 0xF) != DriverStrength)) ||
|
|
(((PowerLimit & 0xF) != 0xF) && (((SwitchResp[15] >> 4) & 0xF) != PowerLimit))) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/**
|
|
Check if passed BusTiming is supported in both controller and card.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] CardSupportedBusTimings Bitmask indicating which bus timings are supported by card
|
|
@param[in] IsInUhsI Flag indicating if link is in UHS-I
|
|
|
|
@retval TRUE Both card and controller support given BusTiming
|
|
@retval FALSE Card or controller doesn't support given BusTiming
|
|
**/
|
|
BOOLEAN
|
|
SdIsBusTimingSupported (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN UINT8 CardSupportedBusTimings,
|
|
IN BOOLEAN IsInUhsI,
|
|
IN SD_MMC_BUS_MODE BusTiming
|
|
)
|
|
{
|
|
SD_MMC_HC_SLOT_CAP *Capability;
|
|
|
|
Capability = &Private->Capability[SlotIndex];
|
|
|
|
if (IsInUhsI) {
|
|
switch (BusTiming) {
|
|
case SdMmcUhsSdr104:
|
|
if ((Capability->Sdr104 != 0) && ((CardSupportedBusTimings & BIT3) != 0)) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
case SdMmcUhsDdr50:
|
|
if ((Capability->Ddr50 != 0) && ((CardSupportedBusTimings & BIT4) != 0)) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
case SdMmcUhsSdr50:
|
|
if ((Capability->Sdr50 != 0) && ((CardSupportedBusTimings & BIT2) != 0)) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
case SdMmcUhsSdr25:
|
|
if ((CardSupportedBusTimings & BIT1) != 0) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
case SdMmcUhsSdr12:
|
|
if ((CardSupportedBusTimings & BIT0) != 0) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else {
|
|
switch (BusTiming) {
|
|
case SdMmcSdHs:
|
|
if ((Capability->HighSpeed != 0) && (CardSupportedBusTimings & BIT1) != 0) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
case SdMmcSdDs:
|
|
if ((CardSupportedBusTimings & BIT0) != 0) {
|
|
return TRUE;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
Get the target bus timing to set on the link. This function
|
|
will try to select highest bus timing supported by card, controller
|
|
and the driver.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] CardSupportedBusTimings Bitmask indicating which bus timings are supported by card
|
|
@param[in] IsInUhsI Flag indicating if link is in UHS-I
|
|
|
|
@return Bus timing value that should be set on link
|
|
**/
|
|
SD_MMC_BUS_MODE
|
|
SdGetTargetBusTiming (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN UINT8 CardSupportedBusTimings,
|
|
IN BOOLEAN IsInUhsI
|
|
)
|
|
{
|
|
SD_MMC_BUS_MODE BusTiming;
|
|
|
|
if (IsInUhsI) {
|
|
BusTiming = SdMmcUhsSdr104;
|
|
} else {
|
|
BusTiming = SdMmcSdHs;
|
|
}
|
|
|
|
while (BusTiming > SdMmcSdDs) {
|
|
if (SdIsBusTimingSupported (Private, SlotIndex, CardSupportedBusTimings, IsInUhsI, BusTiming)) {
|
|
break;
|
|
}
|
|
BusTiming--;
|
|
}
|
|
|
|
return BusTiming;
|
|
}
|
|
|
|
/**
|
|
Get the target bus width to be set on the bus.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] BusTiming Bus timing set on the bus
|
|
|
|
@return Bus width to be set on the bus
|
|
**/
|
|
UINT8
|
|
SdGetTargetBusWidth (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN SD_MMC_BUS_MODE BusTiming
|
|
)
|
|
{
|
|
UINT8 BusWidth;
|
|
UINT8 PreferredBusWidth;
|
|
|
|
PreferredBusWidth = Private->Slot[SlotIndex].OperatingParameters.BusWidth;
|
|
|
|
if (BusTiming == SdMmcSdDs || BusTiming == SdMmcSdHs) {
|
|
if (PreferredBusWidth != EDKII_SD_MMC_BUS_WIDTH_IGNORE &&
|
|
(PreferredBusWidth == 1 || PreferredBusWidth == 4)) {
|
|
BusWidth = PreferredBusWidth;
|
|
} else {
|
|
BusWidth = 4;
|
|
}
|
|
} else {
|
|
//
|
|
// UHS-I modes support only 4-bit width.
|
|
// Switch to 4-bit has been done before calling this function anyway so
|
|
// this is purely informational.
|
|
//
|
|
BusWidth = 4;
|
|
}
|
|
|
|
return BusWidth;
|
|
}
|
|
|
|
/**
|
|
Get the target clock frequency to be set on the bus.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] BusTiming Bus timing to be set on the bus
|
|
|
|
@return Value of the clock frequency to be set on bus in MHz
|
|
**/
|
|
UINT32
|
|
SdGetTargetBusClockFreq (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN SD_MMC_BUS_MODE BusTiming
|
|
)
|
|
{
|
|
UINT32 PreferredClockFreq;
|
|
UINT32 MaxClockFreq;
|
|
|
|
PreferredClockFreq = Private->Slot[SlotIndex].OperatingParameters.ClockFreq;
|
|
|
|
switch (BusTiming) {
|
|
case SdMmcUhsSdr104:
|
|
MaxClockFreq = 208;
|
|
break;
|
|
case SdMmcUhsSdr50:
|
|
MaxClockFreq = 100;
|
|
break;
|
|
case SdMmcUhsDdr50:
|
|
case SdMmcUhsSdr25:
|
|
case SdMmcSdHs:
|
|
MaxClockFreq = 50;
|
|
break;
|
|
case SdMmcUhsSdr12:
|
|
case SdMmcSdDs:
|
|
default:
|
|
MaxClockFreq = 25;
|
|
}
|
|
|
|
if (PreferredClockFreq != EDKII_SD_MMC_CLOCK_FREQ_IGNORE && PreferredClockFreq < MaxClockFreq) {
|
|
return PreferredClockFreq;
|
|
} else {
|
|
return MaxClockFreq;
|
|
}
|
|
}
|
|
|
|
/**
|
|
Get the driver strength to be set on bus.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] CardSupportedDriverStrengths Bitmask indicating which driver strengths are supported on the card
|
|
@param[in] BusTiming Bus timing set on the bus
|
|
|
|
@return Value of the driver strength to be set on the bus
|
|
**/
|
|
EDKII_SD_MMC_DRIVER_STRENGTH
|
|
SdGetTargetDriverStrength (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN UINT8 CardSupportedDriverStrengths,
|
|
IN SD_MMC_BUS_MODE BusTiming
|
|
)
|
|
{
|
|
EDKII_SD_MMC_DRIVER_STRENGTH PreferredDriverStrength;
|
|
EDKII_SD_MMC_DRIVER_STRENGTH DriverStrength;
|
|
|
|
if (BusTiming == SdMmcSdDs || BusTiming == SdMmcSdHs) {
|
|
DriverStrength.Sd = SdDriverStrengthIgnore;
|
|
return DriverStrength;
|
|
}
|
|
|
|
PreferredDriverStrength = Private->Slot[SlotIndex].OperatingParameters.DriverStrength;
|
|
DriverStrength.Sd = SdDriverStrengthTypeB;
|
|
|
|
if (PreferredDriverStrength.Sd != EDKII_SD_MMC_DRIVER_STRENGTH_IGNORE &&
|
|
(CardSupportedDriverStrengths & (BIT0 << PreferredDriverStrength.Sd))) {
|
|
|
|
if ((PreferredDriverStrength.Sd == SdDriverStrengthTypeA &&
|
|
(Private->Capability[SlotIndex].DriverTypeA != 0)) ||
|
|
(PreferredDriverStrength.Sd == SdDriverStrengthTypeC &&
|
|
(Private->Capability[SlotIndex].DriverTypeC != 0)) ||
|
|
(PreferredDriverStrength.Sd == SdDriverStrengthTypeD &&
|
|
(Private->Capability[SlotIndex].DriverTypeD != 0))) {
|
|
DriverStrength.Sd = PreferredDriverStrength.Sd;
|
|
}
|
|
}
|
|
|
|
return DriverStrength;
|
|
}
|
|
|
|
/**
|
|
Get the target settings for the bus mode.
|
|
|
|
@param[in] Private Pointer to controller private data
|
|
@param[in] SlotIndex Index of the slot in the controller
|
|
@param[in] SwitchQueryResp Pointer to switch query response
|
|
@param[in] IsInUhsI Flag indicating if link is in UHS-I mode
|
|
@param[out] BusMode Target configuration of the bus
|
|
**/
|
|
VOID
|
|
SdGetTargetBusMode (
|
|
IN SD_MMC_HC_PRIVATE_DATA *Private,
|
|
IN UINT8 SlotIndex,
|
|
IN UINT8 *SwitchQueryResp,
|
|
IN BOOLEAN IsInUhsI,
|
|
OUT SD_MMC_BUS_SETTINGS *BusMode
|
|
)
|
|
{
|
|
BusMode->BusTiming = SdGetTargetBusTiming (Private, SlotIndex, SwitchQueryResp[13], IsInUhsI);
|
|
BusMode->BusWidth = SdGetTargetBusWidth (Private, SlotIndex, BusMode->BusTiming);
|
|
BusMode->ClockFreq = SdGetTargetBusClockFreq (Private, SlotIndex, BusMode->BusTiming);
|
|
BusMode->DriverStrength = SdGetTargetDriverStrength (Private, SlotIndex, SwitchQueryResp[9], BusMode->BusTiming);
|
|
}
|
|
|
|
/**
|
|
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;
|
|
UINT8 HostCtrl1;
|
|
UINT8 SwitchResp[64];
|
|
SD_MMC_HC_PRIVATE_DATA *Private;
|
|
SD_MMC_BUS_SETTINGS BusMode;
|
|
|
|
Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
|
|
|
|
Capability = &Private->Capability[Slot];
|
|
|
|
Status = SdCardSelect (PassThru, Slot, Rca);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
if (S18A) {
|
|
//
|
|
// For UHS-I speed modes 4-bit data bus is requiered so we
|
|
// switch here irrespective of platform preference.
|
|
//
|
|
Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, 4);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Get the supported bus speed from SWITCH cmd return data group #1.
|
|
//
|
|
Status = SdCardSwitch (PassThru, Slot, 0xFF, 0xF, SdDriverStrengthIgnore, 0xF, FALSE, SwitchResp);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
SdGetTargetBusMode (Private, Slot, SwitchResp, S18A, &BusMode);
|
|
|
|
DEBUG ((DEBUG_INFO, "SdCardSetBusMode: Target bus mode: bus timing = %d, bus width = %d, clock freq[MHz] = %d, driver strength = %d\n",
|
|
BusMode.BusTiming, BusMode.BusWidth, BusMode.ClockFreq, BusMode.DriverStrength.Sd));
|
|
|
|
if (!S18A) {
|
|
Status = SdCardSwitchBusWidth (PciIo, PassThru, Slot, Rca, BusMode.BusWidth);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
Status = SdCardSwitch (PassThru, Slot, BusMode.BusTiming, 0xF, BusMode.DriverStrength.Sd, 0xF, TRUE, SwitchResp);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = SdMmcSetDriverStrength (Private->PciIo, Slot, BusMode.DriverStrength.Sd);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Set to High Speed timing
|
|
//
|
|
if (BusMode.BusTiming == SdMmcSdHs) {
|
|
HostCtrl1 = BIT2;
|
|
Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
Status = SdMmcHcUhsSignaling (Private->ControllerHandle, PciIo, Slot, BusMode.BusTiming);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
Status = SdMmcHcClockSupply (PciIo, Slot, BusMode.ClockFreq * 1000, Private->BaseClkFreq[Slot], Private->ControllerVersion[Slot]);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
if (mOverride != NULL && mOverride->NotifyPhase != NULL) {
|
|
Status = mOverride->NotifyPhase (
|
|
Private->ControllerHandle,
|
|
Slot,
|
|
EdkiiSdMmcSwitchClockFreqPost,
|
|
&BusMode.BusTiming
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
DEBUG ((
|
|
DEBUG_ERROR,
|
|
"%a: SD/MMC switch clock freq post notifier callback failed - %r\n",
|
|
__FUNCTION__,
|
|
Status
|
|
));
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
if ((BusMode.BusTiming == SdMmcUhsSdr104) || ((BusMode.BusTiming == SdMmcUhsSdr50) && (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) >= SD_MMC_HC_CTRL_VER_300) &&
|
|
((ControllerVer & 0xFF) <= SD_MMC_HC_CTRL_VER_420)) {
|
|
S18r = TRUE;
|
|
} else if (((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_100) || ((ControllerVer & 0xFF) == SD_MMC_HC_CTRL_VER_200)) {
|
|
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->BaseClkFreq[Slot], Private->ControllerVersion[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;
|
|
}
|
|
|