diff options
Diffstat (limited to 'Platform/Marvell/Drivers/SdMmc/XenonDxe')
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/ComponentName.c | 211 | ||||
| -rwxr-xr-x | Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c | 1162 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c | 1190 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c | 1315 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h | 785 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.inf | 64 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.uni | 23 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxeExtra.uni | 19 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c | 1923 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h | 546 | ||||
| -rwxr-xr-x | Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c | 665 | ||||
| -rw-r--r-- | Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h | 346 |
12 files changed, 8249 insertions, 0 deletions
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/ComponentName.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/ComponentName.c new file mode 100644 index 0000000000..3329929119 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/ComponentName.c @@ -0,0 +1,211 @@ +/** @file
+ UEFI Component Name(2) protocol implementation for SD/MMC host controller driver.
+
+ Copyright (c) 2015, 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"
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gSdMmcPciHcComponentName = {
+ SdMmcPciHcComponentNameGetDriverName,
+ SdMmcPciHcComponentNameGetControllerName,
+ "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gSdMmcPciHcComponentName2 = {
+ (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) SdMmcPciHcComponentNameGetDriverName,
+ (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) SdMmcPciHcComponentNameGetControllerName,
+ "en"
+};
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSdMmcPciHcDriverNameTable[] = {
+ { "eng;en", L"Edkii Sd/Mmc Host Controller Driver" },
+ { NULL , NULL }
+};
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSdMmcPciHcControllerNameTable[] = {
+ { "eng;en", L"Edkii Sd/Mmc Host Controller" },
+ { NULL , NULL }
+};
+
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+
+ @param DriverName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ )
+{
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mSdMmcPciHcDriverNameTable,
+ DriverName,
+ (BOOLEAN)(This == &gSdMmcPciHcComponentName)
+ );
+}
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+
+ @param ChildHandle[in] The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+
+ @param ControllerName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle, OPTIONAL
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ )
+{
+ EFI_STATUS Status;
+
+ if (Language == NULL || ControllerName == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // This is a device driver, so ChildHandle must be NULL.
+ //
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Make sure this driver is currently managing ControllerHandle
+ //
+ Status = EfiTestManagedDevice (
+ ControllerHandle,
+ gSdMmcPciHcDriverBinding.DriverBindingHandle,
+ &gEfiPciIoProtocolGuid
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return LookupUnicodeString2 (
+ Language,
+ This->SupportedLanguages,
+ mSdMmcPciHcControllerNameTable,
+ ControllerName,
+ (BOOLEAN)(This == &gSdMmcPciHcComponentName)
+ );
+}
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c new file mode 100755 index 0000000000..3f73194da7 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c @@ -0,0 +1,1162 @@ +/** @file
+ This file provides some helper functions which are specific for EMMC 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 (CMD0 with argument of 0x00000000) to the device to
+ make it go to Idle State.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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 EMMC device is reset correctly.
+ @retval Others The device reset fails.
+
+**/
+EFI_STATUS
+EmmcReset (
+ 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 = EMMC_GO_IDLE_STATE;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBc;
+ SdMmcCmdBlk.ResponseType = 0;
+ SdMmcCmdBlk.CommandArgument = 0;
+
+ gBS->Stall (1000);
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Send command SEND_OP_COND to the EMMC device to get the data of the OCR register.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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, out] Argument On input, the argument of SEND_OP_COND is to send to the device.
+ On output, the argument is the value of OCR register.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcGetOcr (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN OUT UINT32 *Argument
+ )
+{
+ 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 = EMMC_SEND_OP_COND;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR3;
+ SdMmcCmdBlk.CommandArgument = *Argument;
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+ if (!EFI_ERROR (Status)) {
+ //
+ // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.
+ //
+ *Argument = SdMmcStatusBlk.Resp0;
+ }
+
+ return Status;
+}
+
+/**
+ Broadcast command ALL_SEND_CID to the bus to ask all the EMMC devices to send the
+ data of their CID registers.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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
+EmmcGetAllCid (
+ 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 = EMMC_ALL_SEND_CID;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;
+ SdMmcCmdBlk.CommandArgument = 0;
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Send command SET_RELATIVE_ADDR to the EMMC device to assign a Relative device
+ Address (RCA).
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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 to be assigned.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSetRca (
+ 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 = EMMC_SET_RELATIVE_ADDR;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Send command SEND_CSD to the EMMC device to get the data of the CSD register.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.10.4 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
+EmmcGetCsd (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ OUT EMMC_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 = EMMC_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 (EMMC_CSD) - 1);
+ }
+
+ return Status;
+}
+
+/**
+ Send command SELECT_DESELECT_CARD to the EMMC device to select/deselect it.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.10.4 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
+EmmcSelect (
+ 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 = EMMC_SELECT_DESELECT_CARD;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Send command SEND_EXT_CSD to the EMMC device to get the data of the EXT_CSD register.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.10.4 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] ExtCsd The buffer to store the content of the EXT_CSD register.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcGetExtCsd (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ OUT EMMC_EXT_CSD *ExtCsd
+ )
+{
+ 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 = EMMC_SEND_EXT_CSD;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandArgument = 0x00000000;
+
+ Packet.InDataBuffer = ExtCsd;
+ Packet.InTransferLength = sizeof (EMMC_EXT_CSD);
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+ return Status;
+}
+
+/**
+ Send command SWITCH to the EMMC device to switch the mode of operation of the
+ selected Device or modifies the EXT_CSD registers.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.10.4 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] Access The access mode of SWTICH command.
+ @param[in] Index The offset of the field to be access.
+ @param[in] Value The value to be set to the specified field of EXT_CSD register.
+ @param[in] CmdSet The value of CmdSet field of EXT_CSD register.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSwitch (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT8 Access,
+ IN UINT8 Index,
+ IN UINT8 Value,
+ IN UINT8 CmdSet
+ )
+{
+ 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 = EMMC_SWITCH;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;
+ SdMmcCmdBlk.CommandArgument = (Access << 24) | (Index << 16) | (Value << 8) | CmdSet;
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Send command SEND_STATUS to the addressed EMMC device to get its status register.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.10.4 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
+EmmcSendStatus (
+ 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 = EMMC_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 EMMC device for HS200 optimal sampling point
+ detection.
+
+ It may be sent up to 40 times until the host finishes the tuning procedure.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 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] BusWidth The bus width to work.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSendTuningBlk (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ 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 TuningBlock[128];
+
+ 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 = EMMC_SEND_TUNING_BLOCK;
+ SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;
+ SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;
+ SdMmcCmdBlk.CommandArgument = 0;
+
+ Packet.InDataBuffer = TuningBlock;
+ if (BusWidth == 8) {
+ Packet.InTransferLength = sizeof (TuningBlock);
+ } else {
+ Packet.InTransferLength = 64;
+ }
+
+ Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);
+
+ return Status;
+}
+
+/**
+ Tunning the clock to get HS200 optimal sampling point.
+
+ Command SEND_TUNING_BLOCK may be sent up to 40 times until the host finishes the
+ tuning procedure.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
+ Simplified Spec 3.0 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] BusWidth The bus width to work.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcTuningClkForHs200 (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT8 BusWidth
+ )
+{
+ 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 = EmmcSendTuningBlk (PassThru, Slot, BusWidth);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcTuningClkForHs200: 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, "EmmcTuningClkForHs200: 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 EMMC Electrical Standard Spec 5.1 Section 6.6.9 and SD Host Controller
+ Simplified Spec 3.0 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] IsDdr If TRUE, use dual data rate data simpling method. Otherwise
+ use single data rate data simpling method.
+ @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
+EmmcSwitchBusWidth (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN BOOLEAN IsDdr,
+ IN UINT8 BusWidth
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Access;
+ UINT8 Index;
+ UINT8 Value;
+ UINT8 CmdSet;
+ UINT32 DevStatus;
+
+ //
+ // Write Byte, the Value field is written into the byte pointed by Index.
+ //
+ Access = 0x03;
+ Index = OFFSET_OF (EMMC_EXT_CSD, BusWidth);
+ if (BusWidth == 4) {
+ Value = 1;
+ } else if (BusWidth == 8) {
+ Value = 2;
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (IsDdr) {
+ Value += 4;
+ }
+
+ CmdSet = 0;
+ Status = EmmcSwitch (PassThru, Slot, Access, Index, Value, CmdSet);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchBusWidth: Switch to bus width %d fails with %r\n", BusWidth, Status));
+ return Status;
+ }
+
+ Status = EmmcSendStatus (PassThru, Slot, Rca, &DevStatus);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchBusWidth: Send status fails with %r\n", Status));
+ return Status;
+ }
+ //
+ // Check the switch operation is really successful or not.
+ //
+ if ((DevStatus & BIT7) != 0) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchBusWidth: The switch operation fails as DevStatus is 0x%08x\n", DevStatus));
+ return EFI_DEVICE_ERROR;
+ }
+
+ Status = SdMmcHcSetBusWidth (PciIo, Slot, BusWidth);
+
+ return Status;
+}
+
+/**
+ Switch the clock frequency to the specified value.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6 and SD Host Controller
+ Simplified Spec 3.0 Figure 3-3 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] HsTiming The value to be written to HS_TIMING field of EXT_CSD register.
+ @param[in] ClockFreq The max clock frequency to be set, the unit is MHz.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSwitchClockFreq (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN UINT8 HsTiming,
+ IN UINT32 ClockFreq
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Access;
+ UINT8 Index;
+ UINT8 Value;
+ UINT8 CmdSet;
+ UINT32 DevStatus;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
+ //
+ // Write Byte, the Value field is written into the byte pointed by Index.
+ //
+ Access = 0x03;
+ Index = OFFSET_OF (EMMC_EXT_CSD, HsTiming);
+ Value = HsTiming;
+ CmdSet = 0;
+
+ Status = EmmcSwitch (PassThru, Slot, Access, Index, Value, CmdSet);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchClockFreq: Switch to hstiming %d fails with %r\n", HsTiming, Status));
+ return Status;
+ }
+
+ Status = EmmcSendStatus (PassThru, Slot, Rca, &DevStatus);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchClockFreq: Send status fails with %r\n", Status));
+ return Status;
+ }
+ //
+ // Check the switch operation is really successful or not.
+ //
+ if ((DevStatus & BIT7) != 0) {
+ DEBUG ((DEBUG_ERROR, "EmmcSwitchClockFreq: The switch operation fails as DevStatus is 0x%08x\n", DevStatus));
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Convert the clock freq unit from MHz to KHz.
+ //
+ Status = SdMmcHcClockSupply (PciIo, Slot, ClockFreq * 1000, Private->Capability[Slot]);
+
+ return Status;
+}
+
+/**
+ Switch to the High Speed timing according to request.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
+ Simplified Spec 3.0 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] ClockFreq The max clock frequency to be set.
+ @param[in] IsDdr If TRUE, use dual data rate data simpling method. Otherwise
+ use single data rate data simpling method.
+ @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
+EmmcSwitchToHighSpeed (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN UINT32 ClockFreq,
+ IN BOOLEAN IsDdr,
+ IN UINT8 BusWidth
+ )
+{
+ EFI_STATUS Status;
+ UINT8 HsTiming;
+ UINT8 HostCtrl1;
+ UINT8 HostCtrl2;
+
+ Status = EmmcSwitchBusWidth (PciIo, PassThru, Slot, Rca, IsDdr, BusWidth);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set to Hight Speed timing
+ //
+ HostCtrl1 = BIT2;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Clean UHS Mode Select field of Host Control 2 reigster before update
+ //
+ HostCtrl2 = (UINT8)~0x7;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set UHS Mode Select field of Host Control 2 reigster to SDR12/25/50
+ //
+ if (IsDdr) {
+ HostCtrl2 = BIT2;
+ } else if (ClockFreq == 52) {
+ HostCtrl2 = BIT0;
+ } else {
+ HostCtrl2 = 0;
+ }
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ HsTiming = 1;
+ Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, ClockFreq);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return Status;
+}
+
+/**
+ Switch to the HS200 timing according to request.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
+ Simplified Spec 3.0 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] ClockFreq The max clock frequency to be set.
+ @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
+EmmcSwitchToHS200 (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN UINT32 ClockFreq,
+ IN UINT8 BusWidth
+ )
+{
+ EFI_STATUS Status;
+ UINT8 HsTiming;
+ UINT8 HostCtrl2;
+ UINT16 ClockCtrl;
+
+ if ((BusWidth != 4) && (BusWidth != 8)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = EmmcSwitchBusWidth (PciIo, PassThru, Slot, Rca, FALSE, BusWidth);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set to HS200/SDR104 timing
+ //
+ //
+ // Stop bus clock at first
+ //
+ Status = SdMmcHcStopClock (PciIo, Slot);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Clean UHS Mode Select field of Host Control 2 reigster before update
+ //
+ HostCtrl2 = (UINT8)~0x7;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set UHS Mode Select field of Host Control 2 reigster to SDR104
+ //
+ HostCtrl2 = BIT0 | BIT1;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Wait Internal Clock Stable in the Clock Control register to be 1 before set SD Clock Enable bit
+ //
+ Status = SdMmcHcWaitMmioSet (
+ PciIo,
+ Slot,
+ SD_MMC_HC_CLOCK_CTRL,
+ sizeof (ClockCtrl),
+ BIT1,
+ BIT1,
+ SD_MMC_HC_GENERIC_TIMEOUT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set SD Clock Enable in the Clock Control register to 1
+ //
+ ClockCtrl = BIT2;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_CLOCK_CTRL, sizeof (ClockCtrl), &ClockCtrl);
+
+ HsTiming = 2;
+ Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, ClockFreq);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = EmmcTuningClkForHs200 (PciIo, PassThru, Slot, BusWidth);
+
+ return Status;
+}
+
+/**
+ Switch to the HS400 timing according to request.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
+ Simplified Spec 3.0 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] ClockFreq The max clock frequency to be set.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSwitchToHS400 (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ IN UINT32 ClockFreq
+ )
+{
+ EFI_STATUS Status;
+ UINT8 HsTiming;
+ UINT8 HostCtrl2;
+
+ Status = EmmcSwitchToHS200 (PciIo, PassThru, Slot, Rca, ClockFreq, 8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set to Hight Speed timing and set the clock frequency to a value less than 52MHz.
+ //
+ HsTiming = 1;
+ Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, 52);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // HS400 mode must use 8 data lines.
+ //
+ Status = EmmcSwitchBusWidth (PciIo, PassThru, Slot, Rca, TRUE, 8);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Clean UHS Mode Select field of Host Control 2 reigster before update
+ //
+ HostCtrl2 = (UINT8)~0x7;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set UHS Mode Select field of Host Control 2 reigster to HS400
+ //
+ HostCtrl2 = BIT0 | BIT2;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ HsTiming = 3;
+ Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, ClockFreq);
+
+ return Status;
+}
+
+/**
+ Switch the high speed timing according to request.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.6.8 and SD Host Controller
+ Simplified Spec 3.0 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.
+
+ @retval EFI_SUCCESS The operation is done correctly.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EmmcSetBusMode (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca
+ )
+{
+ EFI_STATUS Status;
+ EMMC_CSD Csd;
+ EMMC_EXT_CSD ExtCsd;
+ UINT8 HsTiming;
+ BOOLEAN IsDdr;
+ UINT32 ClockFreq;
+ UINT8 BusWidth;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
+
+ Status = EmmcGetCsd (PassThru, Slot, Rca, &Csd);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSetBusMode: GetCsd fails with %r\n", Status));
+ return Status;
+ }
+
+ Status = EmmcSelect (PassThru, Slot, Rca);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSetBusMode: Select fails with %r\n", Status));
+ return Status;
+ }
+
+ ASSERT (Private->Capability[Slot].BaseClkFreq != 0);
+ //
+ // Check if the Host Controller support 8bits bus width.
+ //
+ if (Private->Capability[Slot].BusWidth8 != 0) {
+ BusWidth = 8;
+ } else {
+ BusWidth = 4;
+ }
+ //
+ // Get Deivce_Type from EXT_CSD register.
+ //
+ Status = EmmcGetExtCsd (PassThru, Slot, &ExtCsd);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcSetBusMode: GetExtCsd fails with %r\n", Status));
+ return Status;
+ }
+ //
+ // Calculate supported bus speed/bus width/clock frequency.
+ //
+ HsTiming = 0;
+ IsDdr = FALSE;
+ ClockFreq = 0;
+ if (((ExtCsd.DeviceType & (BIT4 | BIT5)) != 0) && (Private->Capability[Slot].Sdr104 != 0)) {
+ HsTiming = 2;
+ IsDdr = FALSE;
+ ClockFreq = 200;
+ } else if (((ExtCsd.DeviceType & (BIT2 | BIT3)) != 0) && (Private->Capability[Slot].Ddr50 != 0)) {
+ HsTiming = 1;
+ IsDdr = TRUE;
+ ClockFreq = 52;
+ } else if (((ExtCsd.DeviceType & BIT1) != 0) && (Private->Capability[Slot].HighSpeed != 0)) {
+ HsTiming = 1;
+ IsDdr = FALSE;
+ ClockFreq = 52;
+ } else if (((ExtCsd.DeviceType & BIT0) != 0) && (Private->Capability[Slot].HighSpeed != 0)) {
+ HsTiming = 1;
+ IsDdr = FALSE;
+ ClockFreq = 26;
+ }
+ //
+ // Check if both of the device and the host controller support HS400 DDR mode.
+ //
+ if (((ExtCsd.DeviceType & (BIT6 | BIT7)) != 0) && (Private->Capability[Slot].Hs400 != 0)) {
+ //
+ // The host controller supports 8bits bus.
+ //
+ ASSERT (BusWidth == 8);
+ HsTiming = 3;
+ IsDdr = TRUE;
+ ClockFreq = 200;
+ }
+
+ if ((ClockFreq == 0) || (HsTiming == 0)) {
+ //
+ // Continue using default setting.
+ //
+ return EFI_SUCCESS;
+ }
+
+ DEBUG ((DEBUG_INFO, "EmmcSetBusMode: HsTiming %d ClockFreq %d BusWidth %d Ddr %a\n", HsTiming, ClockFreq, BusWidth, IsDdr ? "TRUE":"FALSE"));
+
+ if (HsTiming == 3) {
+ //
+ // Execute HS400 timing switch procedure
+ //
+ Status = EmmcSwitchToHS400 (PciIo, PassThru, Slot, Rca, ClockFreq);
+ } else if (HsTiming == 2) {
+ //
+ // Execute HS200 timing switch procedure
+ //
+ Status = EmmcSwitchToHS200 (PciIo, PassThru, Slot, Rca, ClockFreq, BusWidth);
+ } else {
+ //
+ // Execute High Speed timing switch procedure
+ //
+ Status = EmmcSwitchToHighSpeed (PciIo, PassThru, Slot, Rca, ClockFreq, IsDdr, BusWidth);
+ }
+
+ DEBUG ((DEBUG_INFO, "EmmcSetBusMode: Switch to %a %r\n", (HsTiming == 3) ? "HS400" : ((HsTiming == 2) ? "HS200" : "HighSpeed"), Status));
+
+ return Status;
+}
+
+/**
+ Execute EMMC device identification procedure.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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 EMMC card.
+ @retval Others There is not a EMMC card.
+
+**/
+EFI_STATUS
+EmmcIdentification (
+ 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;
+
+ PciIo = Private->PciIo;
+ PassThru = &Private->PassThru;
+
+ Status = EmmcReset (PassThru, Slot);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd0 fails with %r\n", Status));
+ return Status;
+ }
+
+ Ocr = 0;
+ do {
+ Status = EmmcGetOcr (PassThru, Slot, &Ocr);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd1 fails with %r\n", Status));
+ return Status;
+ }
+ Ocr |= BIT30;
+ } while ((Ocr & BIT31) == 0);
+
+ Status = EmmcGetAllCid (PassThru, Slot);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_VERBOSE, "EmmcIdentification: Executing Cmd2 fails with %r\n", Status));
+ return Status;
+ }
+ //
+ // Slot starts from 0 and valid RCA starts from 1.
+ // Here we takes a simple formula to calculate the RCA.
+ // Don't support multiple devices on the slot, that is
+ // shared bus slot feature.
+ //
+ Rca = Slot + 1;
+ Status = EmmcSetRca (PassThru, Slot, Rca);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "EmmcIdentification: Executing Cmd3 fails with %r\n", Status));
+ return Status;
+ }
+ //
+ // Enter Data Tranfer Mode.
+ //
+ DEBUG ((DEBUG_INFO, "EmmcIdentification: Found a EMMC device at slot [%d], RCA [%d]\n", Slot, Rca));
+ Private->Slot[Slot].CardType = EmmcCardType;
+
+ Status = EmmcSetBusMode (PciIo, PassThru, Slot, Rca);
+
+ return Status;
+}
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c new file mode 100644 index 0000000000..9122848021 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdDevice.c @@ -0,0 +1,1190 @@ +/** @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;
+
+ 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.
+ //
+ 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;
+ }
+ } 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;
+}
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c new file mode 100644 index 0000000000..981eab58ec --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.c @@ -0,0 +1,1315 @@ +/** @file
+ This driver is used to manage SD/MMC PCI host controllers which are compliance
+ with SD Host Controller Simplified Specification version 3.00.
+
+ It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.
+
+ Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (C) 2016 Marvell International Ltd. All rigths 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"
+#include "XenonSdhci.h"
+
+//
+// Driver Global Variables
+//
+EFI_DRIVER_BINDING_PROTOCOL gSdMmcPciHcDriverBinding = {
+ SdMmcPciHcDriverBindingSupported,
+ SdMmcPciHcDriverBindingStart,
+ SdMmcPciHcDriverBindingStop,
+ 0x10,
+ NULL,
+ NULL
+};
+
+//
+// Template for SD/MMC host controller private data.
+//
+SD_MMC_HC_PRIVATE_DATA gSdMmcPciHcTemplate = {
+ SD_MMC_HC_PRIVATE_SIGNATURE, // Signature
+ NULL, // ControllerHandle
+ NULL, // PciIo
+ { // PassThru
+ sizeof (UINT32),
+ SdMmcPassThruPassThru,
+ SdMmcPassThruGetNextSlot,
+ SdMmcPassThruBuildDevicePath,
+ SdMmcPassThruGetSlotNumber,
+ SdMmcPassThruResetDevice
+ },
+ 0, // PciAttributes
+ 0, // PreviousSlot
+ NULL, // TimerEvent
+ NULL, // ConnectEvent
+ // Queue
+ INITIALIZE_LIST_HEAD_VARIABLE (gSdMmcPciHcTemplate.Queue),
+ { // Slot
+ {0, UnknownSlot, 0, 0, 0}, {0, UnknownSlot, 0, 0, 0}, {0, UnknownSlot, 0, 0, 0},
+ {0, UnknownSlot, 0, 0, 0}, {0, UnknownSlot, 0, 0, 0}, {0, UnknownSlot, 0, 0, 0}
+ },
+ { // Capability
+ {0},
+ },
+ { // MaxCurrent
+ 0,
+ },
+ 0 // ControllerVersion
+};
+
+SD_DEVICE_PATH mSdDpTemplate = {
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_SD_DP,
+ {
+ (UINT8) (sizeof (SD_DEVICE_PATH)),
+ (UINT8) ((sizeof (SD_DEVICE_PATH)) >> 8)
+ }
+ },
+ 0
+};
+
+EMMC_DEVICE_PATH mEmmcDpTemplate = {
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_EMMC_DP,
+ {
+ (UINT8) (sizeof (EMMC_DEVICE_PATH)),
+ (UINT8) ((sizeof (EMMC_DEVICE_PATH)) >> 8)
+ }
+ },
+ 0
+};
+
+//
+// Prioritized function list to detect card type.
+// User could add other card detection logic here.
+//
+CARD_TYPE_DETECT_ROUTINE mCardTypeDetectRoutineTable[] = {
+ EmmcIdentification,
+ SdCardIdentification,
+ NULL
+};
+
+/**
+ The entry point for SD host controller driver, used to install this driver on the ImageHandle.
+
+ @param[in] ImageHandle The firmware allocated handle for this driver image.
+ @param[in] SystemTable Pointer to the EFI system table.
+
+ @retval EFI_SUCCESS Driver loaded.
+ @retval other Driver not loaded.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeSdMmcPciHcDxe (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gSdMmcPciHcDriverBinding,
+ ImageHandle,
+ &gSdMmcPciHcComponentName,
+ &gSdMmcPciHcComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
+
+/**
+ Call back function when the timer event is signaled.
+
+ @param[in] Event The Event this notify function registered to.
+ @param[in] Context Pointer to the context data registered to the
+ Event.
+
+**/
+VOID
+EFIAPI
+ProcessAsyncTaskList (
+ IN EFI_EVENT Event,
+ IN VOID* Context
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ LIST_ENTRY *Link;
+ SD_MMC_HC_TRB *Trb;
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ BOOLEAN InfiniteWait;
+ EFI_EVENT TrbEvent;
+
+ Private = (SD_MMC_HC_PRIVATE_DATA*)Context;
+
+ //
+ // Check if the first entry in the async I/O queue is done or not.
+ //
+ Status = EFI_SUCCESS;
+ Trb = NULL;
+ Link = GetFirstNode (&Private->Queue);
+ if (!IsNull (&Private->Queue, Link)) {
+ Trb = SD_MMC_HC_TRB_FROM_THIS (Link);
+ if (!Private->Slot[Trb->Slot].MediaPresent) {
+ Status = EFI_NO_MEDIA;
+ goto Done;
+ }
+ if (!Trb->Started) {
+ //
+ // Check whether the cmd/data line is ready for transfer.
+ //
+ Status = SdMmcCheckTrbEnv (Private, Trb);
+ if (!EFI_ERROR (Status)) {
+ Trb->Started = TRUE;
+ Status = SdMmcExecTrb (Private, Trb);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ } else {
+ goto Done;
+ }
+ }
+ Status = SdMmcCheckTrbResult (Private, Trb);
+ }
+
+Done:
+ if ((Trb != NULL) && (Status == EFI_NOT_READY)) {
+ Packet = Trb->Packet;
+ if (Packet->Timeout == 0) {
+ InfiniteWait = TRUE;
+ } else {
+ InfiniteWait = FALSE;
+ }
+ if ((!InfiniteWait) && (Trb->Timeout-- == 0)) {
+ RemoveEntryList (Link);
+ Trb->Packet->TransactionStatus = EFI_TIMEOUT;
+ TrbEvent = Trb->Event;
+ SdMmcFreeTrb (Trb);
+ DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p EFI_TIMEOUT\n", TrbEvent));
+ gBS->SignalEvent (TrbEvent);
+ return;
+ }
+ }
+ if ((Trb != NULL) && (Status != EFI_NOT_READY)) {
+ RemoveEntryList (Link);
+ Trb->Packet->TransactionStatus = Status;
+ TrbEvent = Trb->Event;
+ SdMmcFreeTrb (Trb);
+ DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p with %r\n", TrbEvent, Status));
+ gBS->SignalEvent (TrbEvent);
+ }
+ return;
+}
+
+/**
+ Sd removable device enumeration callback function when the timer event is signaled.
+
+ @param[in] Event The Event this notify function registered to.
+ @param[in] Context Pointer to the context data registered to the
+ Event.
+
+**/
+VOID
+EFIAPI
+SdMmcPciHcEnumerateDevice (
+ IN EFI_EVENT Event,
+ IN VOID* Context
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ EFI_STATUS Status;
+ UINT8 Slot;
+ BOOLEAN MediaPresent;
+ UINT32 RoutineNum;
+ CARD_TYPE_DETECT_ROUTINE *Routine;
+ UINTN Index;
+ LIST_ENTRY *Link;
+ LIST_ENTRY *NextLink;
+ SD_MMC_HC_TRB *Trb;
+ EFI_TPL OldTpl;
+
+ Private = (SD_MMC_HC_PRIVATE_DATA*)Context;
+
+ for (Slot = 0; Slot < SD_MMC_HC_MAX_SLOT; Slot++) {
+ if ((Private->Slot[Slot].Enable) && (Private->Slot[Slot].SlotType == RemovableSlot)) {
+ Status = SdMmcHcCardDetect (Private->PciIo, Slot, &MediaPresent);
+ if ((Status == EFI_MEDIA_CHANGED) && !MediaPresent) {
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcEnumerateDevice: device disconnected at slot %d of pci %p\n", Slot, Private->PciIo));
+ Private->Slot[Slot].MediaPresent = FALSE;
+ Private->Slot[Slot].Initialized = FALSE;
+ //
+ // Signal all async task events at the slot with EFI_NO_MEDIA status.
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ for (Link = GetFirstNode (&Private->Queue);
+ !IsNull (&Private->Queue, Link);
+ Link = NextLink) {
+ NextLink = GetNextNode (&Private->Queue, Link);
+ Trb = SD_MMC_HC_TRB_FROM_THIS (Link);
+ if (Trb->Slot == Slot) {
+ RemoveEntryList (Link);
+ Trb->Packet->TransactionStatus = EFI_NO_MEDIA;
+ gBS->SignalEvent (Trb->Event);
+ SdMmcFreeTrb (Trb);
+ }
+ }
+ gBS->RestoreTPL (OldTpl);
+ //
+ // Notify the upper layer the connect state change through ReinstallProtocolInterface.
+ //
+ gBS->ReinstallProtocolInterface (
+ Private->ControllerHandle,
+ &gEfiSdMmcPassThruProtocolGuid,
+ &Private->PassThru,
+ &Private->PassThru
+ );
+ }
+ if ((Status == EFI_MEDIA_CHANGED) && MediaPresent) {
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcEnumerateDevice: device connected at slot %d of pci %p\n", Slot, Private->PciIo));
+ //
+ // Reset the specified slot of the SD/MMC Pci Host Controller
+ //
+ Status = SdMmcHcReset (Private->PciIo, Slot);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+ //
+ // Reinitialize slot and restart identification process for the new attached device
+ //
+ Status = SdMmcHcInitHost (Private->PciIo, Slot, Private->Capability[Slot]);
+ if (EFI_ERROR (Status)) {
+ continue;
+ }
+
+ Private->Slot[Slot].MediaPresent = TRUE;
+ Private->Slot[Slot].Initialized = TRUE;
+ RoutineNum = sizeof (mCardTypeDetectRoutineTable) / sizeof (CARD_TYPE_DETECT_ROUTINE);
+ for (Index = 0; Index < RoutineNum; Index++) {
+ Routine = &mCardTypeDetectRoutineTable[Index];
+ if (*Routine != NULL) {
+ Status = (*Routine) (Private, Slot);
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ }
+ //
+ // This card doesn't get initialized correctly.
+ //
+ if (Index == RoutineNum) {
+ Private->Slot[Slot].Initialized = FALSE;
+ }
+
+ //
+ // Notify the upper layer the connect state change through ReinstallProtocolInterface.
+ //
+ gBS->ReinstallProtocolInterface (
+ Private->ControllerHandle,
+ &gEfiSdMmcPassThruProtocolGuid,
+ &Private->PassThru,
+ &Private->PassThru
+ );
+ }
+ }
+ }
+
+ return;
+}
+/**
+ Tests to see if this driver supports a given controller. If a child device is provided,
+ it further tests to see if this driver supports creating a handle for the specified child device.
+
+ This function checks to see if the driver specified by This supports the device specified by
+ ControllerHandle. Drivers will typically use the device path attached to
+ ControllerHandle and/or the services from the bus I/O abstraction attached to
+ ControllerHandle to determine if the driver supports ControllerHandle. This function
+ may be called many times during platform initialization. In order to reduce boot times, the tests
+ performed by this function must be very small, and take as little time as possible to execute. This
+ function must not change the state of any hardware devices, and this function must be aware that the
+ device specified by ControllerHandle may already be managed by the same driver or a
+ different driver. This function must match its calls to AllocatePages() with FreePages(),
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
+ Since ControllerHandle may have been previously started by the same driver, if a protocol is
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required
+ to guarantee the state of ControllerHandle is not modified by this function.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to test. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For bus drivers, if this parameter is not NULL, then
+ the bus driver must determine if the bus controller specified
+ by ControllerHandle and the child controller specified
+ by RemainingDevicePath are both supported by this
+ bus driver.
+
+ @retval EFI_SUCCESS The device specified by ControllerHandle and
+ RemainingDevicePath is supported by the driver specified by This.
+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by the driver
+ specified by This.
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by a different
+ driver or an application that requires exclusive access.
+ Currently not implemented.
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
+ RemainingDevicePath is not supported by the driver specified by This.
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ PCI_TYPE00 PciData;
+
+ PciIo = NULL;
+ ParentDevicePath = NULL;
+
+ //
+ // SdPciHcDxe is a device driver, and should ingore the
+ // "RemainingDevicePath" according to EFI spec.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID *) &ParentDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // EFI_ALREADY_STARTED is also an error.
+ //
+ return Status;
+ }
+ //
+ // Close the protocol because we don't use it here.
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ //
+ // Now test the EfiPciIoProtocol.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Now further check the PCI header: Base class (offset 0x08) and
+ // Sub Class (offset 0x05). This controller should be an SD/MMC PCI
+ // Host Controller.
+ //
+ Status = PciIo->Pci.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ 0,
+ sizeof (PciData),
+ &PciData
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Since we already got the PciData, we can close protocol to avoid to carry it
+ // on for multiple exit points.
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ //
+ // Examine SD PCI Host Controller PCI Configuration table fields.
+ //
+ if ((PciData.Hdr.ClassCode[2] == PCI_CLASS_SYSTEM_PERIPHERAL) &&
+ (PciData.Hdr.ClassCode[1] == PCI_SUBCLASS_SD_HOST_CONTROLLER) &&
+ ((PciData.Hdr.ClassCode[0] == 0x00) || (PciData.Hdr.ClassCode[0] == 0x01))) {
+ return EFI_SUCCESS;
+ }
+
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ Starts a device controller or a bus controller.
+
+ The Start() function is designed to be invoked from the EFI boot service ConnectController().
+ As a result, much of the error checking on the parameters to Start() has been moved into this
+ common boot service. It is legal to call Start() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE.
+ 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
+ EFI_DEVICE_PATH_PROTOCOL.
+ 3. Prior to calling Start(), the Supported() function for the driver specified by This must
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to start. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For a bus driver, if this parameter is NULL, then handles
+ for all the children of Controller are created by this driver.
+ If this parameter is not NULL and the first Device Path Node is
+ not the End of Device Path Node, then only the handle for the
+ child device specified by the first Device Path Node of
+ RemainingDevicePath is created by this driver.
+ If the first Device Path Node of RemainingDevicePath is
+ the End of Device Path Node, no child handle is created by this
+ driver.
+
+ @retval EFI_SUCCESS The device was started.
+ @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval Others The driver failded to start the device.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 Supports;
+ UINT64 PciAttributes;
+ UINT8 Slot;
+ UINT8 Index;
+ CARD_TYPE_DETECT_ROUTINE *Routine;
+ UINT32 RoutineNum;
+ BOOLEAN Support64BitDma;
+
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcDriverBindingStart: Start\n"));
+
+ //
+ // Open PCI I/O Protocol and save pointer to open protocol
+ // in private data area.
+ //
+ PciIo = NULL;
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Enable the SD Host Controller MMIO space
+ //
+ Private = NULL;
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationGet,
+ 0,
+ &PciAttributes
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &Supports
+ );
+
+ if (!EFI_ERROR (Status)) {
+ Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationEnable,
+ Supports,
+ NULL
+ );
+ } else {
+ goto Done;
+ }
+
+ Private = AllocateCopyPool (sizeof (SD_MMC_HC_PRIVATE_DATA), &gSdMmcPciHcTemplate);
+ if (Private == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Done;
+ }
+
+ Private->ControllerHandle = Controller;
+ Private->PciIo = PciIo;
+ Private->PciAttributes = PciAttributes;
+ InitializeListHead (&Private->Queue);
+
+ Support64BitDma = TRUE;
+
+ //
+ // There is only one slot 0 on Xenon
+ //
+ Slot = 0;
+ Private->Slot[Slot].Enable = TRUE;
+
+ Status = SdMmcHcGetCapability (PciIo, Slot, &Private->Capability[Slot]);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Support64BitDma &= Private->Capability[Slot].SysBus64;
+
+ //
+ // Override capabilities structure - only 4 Bit width bus is supported
+ // by HW and also force using SDR25 mode
+ //
+ Private->Capability[Slot].Sdr104 = 0;
+ Private->Capability[Slot].Ddr50 = 0;
+ Private->Capability[Slot].Sdr50 = 0;
+ Private->Capability[Slot].BusWidth8 = 0;
+
+ if (Private->Capability[Slot].BaseClkFreq == 0) {
+ Private->Capability[Slot].BaseClkFreq = 0xff;
+ }
+
+ DumpCapabilityReg (Slot, &Private->Capability[Slot]);
+
+ Status = SdMmcHcGetMaxCurrent (PciIo, Slot, &Private->MaxCurrent[Slot]);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Private->Slot[Slot].SlotType = Private->Capability[Slot].SlotType;
+ if ((Private->Slot[Slot].SlotType != RemovableSlot) && (Private->Slot[Slot].SlotType != EmbeddedSlot)) {
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcDxe doesn't support the slot type [%d]!!!\n", Private->Slot[Slot].SlotType));
+ return EFI_D_ERROR;
+ }
+
+ //
+ // Perform Xenon-specific init sequence
+ //
+ XenonInit (Private);
+
+ //
+ // Initialize HC timeout control
+ //
+ Status = SdMmcHcInitTimeoutCtrl (PciIo, Slot);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Private->Slot[Slot].MediaPresent = TRUE;
+ Private->Slot[Slot].Initialized = TRUE;
+ RoutineNum = sizeof (mCardTypeDetectRoutineTable) / sizeof (CARD_TYPE_DETECT_ROUTINE);
+ for (Index = 0; Index < RoutineNum; Index++) {
+ Routine = &mCardTypeDetectRoutineTable[Index];
+ if (*Routine != NULL) {
+ Status = (*Routine) (Private, Slot);
+ if (!EFI_ERROR (Status)) {
+ break;
+ }
+ }
+ }
+ //
+ // This card doesn't get initialized correctly.
+ //
+ if (Index == RoutineNum) {
+ Private->Slot[Slot].Initialized = FALSE;
+ }
+
+ //
+ // Enable 64-bit DMA support in the PCI layer if this controller
+ // supports it.
+ //
+ if (Support64BitDma) {
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationEnable,
+ EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_WARN, "SdMmcPciHcDriverBindingStart: failed to enable 64-bit DMA (%r)\n", Status));
+ }
+ }
+
+ //
+ // Start the asynchronous I/O monitor
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ ProcessAsyncTaskList,
+ Private,
+ &Private->TimerEvent
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = gBS->SetTimer (Private->TimerEvent, TimerPeriodic, SD_MMC_HC_ASYNC_TIMER);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ //
+ // Start the Sd removable device connection enumeration
+ //
+ Status = gBS->CreateEvent (
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ SdMmcPciHcEnumerateDevice,
+ Private,
+ &Private->ConnectEvent
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = gBS->SetTimer (Private->ConnectEvent, TimerPeriodic, SD_MMC_HC_ENUM_TIMER);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Controller,
+ &gEfiSdMmcPassThruProtocolGuid,
+ &(Private->PassThru),
+ NULL
+ );
+
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcDriverBindingStart: %r End on %x\n", Status, Controller));
+
+Done:
+ if (EFI_ERROR (Status)) {
+ if ((Private != NULL) && (Private->PciAttributes != 0)) {
+ //
+ // Restore original PCI attributes
+ //
+ PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSet,
+ Private->PciAttributes,
+ NULL
+ );
+ }
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ if ((Private != NULL) && (Private->TimerEvent != NULL)) {
+ gBS->CloseEvent (Private->TimerEvent);
+ }
+
+ if ((Private != NULL) && (Private->ConnectEvent != NULL)) {
+ gBS->CloseEvent (Private->ConnectEvent);
+ }
+
+ if (Private != NULL) {
+ FreePool (Private);
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Stops a device controller or a bus controller.
+
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
+ As a result, much of the error checking on the parameters to Stop() has been moved
+ into this common boot service. It is legal to call Stop() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
+ same driver's Start() function.
+ 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
+ EFI_HANDLE. In addition, all of these handles must have been created in this driver's
+ Start() function, and the Start() function must have called OpenProtocol() on
+ ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must
+ support a bus specific I/O protocol for the driver
+ to use to stop the device.
+ @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
+ if NumberOfChildren is 0.
+
+ @retval EFI_SUCCESS The device was stopped.
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ LIST_ENTRY *Link;
+ LIST_ENTRY *NextLink;
+ SD_MMC_HC_TRB *Trb;
+
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcDriverBindingStop: Start\n"));
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSdMmcPassThruProtocolGuid,
+ (VOID**) &PassThru,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (PassThru);
+ //
+ // Close Non-Blocking timer and free Task list.
+ //
+ if (Private->TimerEvent != NULL) {
+ gBS->CloseEvent (Private->TimerEvent);
+ Private->TimerEvent = NULL;
+ }
+ if (Private->ConnectEvent != NULL) {
+ gBS->CloseEvent (Private->ConnectEvent);
+ Private->ConnectEvent = NULL;
+ }
+ //
+ // As the timer is closed, there is no needs to use TPL lock to
+ // protect the critical region "queue".
+ //
+ for (Link = GetFirstNode (&Private->Queue);
+ !IsNull (&Private->Queue, Link);
+ Link = NextLink) {
+ NextLink = GetNextNode (&Private->Queue, Link);
+ RemoveEntryList (Link);
+ Trb = SD_MMC_HC_TRB_FROM_THIS (Link);
+ Trb->Packet->TransactionStatus = EFI_ABORTED;
+ gBS->SignalEvent (Trb->Event);
+ SdMmcFreeTrb (Trb);
+ }
+
+ //
+ // Uninstall Block I/O protocol from the device handle
+ //
+ Status = gBS->UninstallProtocolInterface (
+ Controller,
+ &gEfiSdMmcPassThruProtocolGuid,
+ &(Private->PassThru)
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ //
+ // Restore original PCI attributes
+ //
+ PciIo = Private->PciIo;
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSet,
+ Private->PciAttributes,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ FreePool (Private);
+
+ DEBUG ((DEBUG_INFO, "SdMmcPciHcDriverBindingStop: End with %r\n", Status));
+
+ return Status;
+}
+
+/**
+ Sends SD command to an SD card that is attached to the SD controller.
+
+ The PassThru() function sends the SD command specified by Packet to the SD card
+ specified by Slot.
+
+ If Packet is successfully sent to the SD card, then EFI_SUCCESS is returned.
+
+ If a device error occurs while sending the Packet, then EFI_DEVICE_ERROR is returned.
+
+ If Slot is not in a valid range for the SD controller, then EFI_INVALID_PARAMETER
+ is returned.
+
+ If Packet defines a data command but both InDataBuffer and OutDataBuffer are NULL,
+ EFI_INVALID_PARAMETER is returned.
+
+ @param[in] This 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,out] Packet A pointer to the SD command data structure.
+ @param[in] Event If Event is NULL, blocking I/O is performed. If Event is
+ not NULL, then nonblocking I/O is performed, and Event
+ will be signaled when the Packet completes.
+
+ @retval EFI_SUCCESS The SD Command Packet was sent by the host.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SD
+ command Packet.
+ @retval EFI_INVALID_PARAMETER Packet, Slot, or the contents of the Packet is invalid.
+ @retval EFI_INVALID_PARAMETER Packet defines a data command but both InDataBuffer and
+ OutDataBuffer are NULL.
+ @retval EFI_NO_MEDIA SD Device not present in the Slot.
+ @retval EFI_UNSUPPORTED The command described by the SD Command Packet is not
+ supported by the host controller.
+ @retval EFI_BAD_BUFFER_SIZE The InTransferLength or OutTransferLength exceeds the
+ limit supported by SD card ( i.e. if the number of bytes
+ exceed the Last LBA).
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruPassThru (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot,
+ IN OUT EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ SD_MMC_HC_TRB *Trb;
+ EFI_TPL OldTpl;
+
+ if ((This == NULL) || (Packet == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((Packet->SdMmcCmdBlk == NULL) || (Packet->SdMmcStatusBlk == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((Packet->OutDataBuffer == NULL) && (Packet->OutTransferLength != 0)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((Packet->InDataBuffer == NULL) && (Packet->InTransferLength != 0)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (This);
+
+ if (!Private->Slot[Slot].Enable) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (!Private->Slot[Slot].MediaPresent) {
+ return EFI_NO_MEDIA;
+ }
+
+ if (!Private->Slot[Slot].Initialized) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ Trb = SdMmcCreateTrb (Private, Slot, Packet, Event);
+ if (Trb == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ //
+ // Immediately return for async I/O.
+ //
+ if (Event != NULL) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Wait async I/O list is empty before execute sync I/O operation.
+ //
+ while (TRUE) {
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ if (IsListEmpty (&Private->Queue)) {
+ gBS->RestoreTPL (OldTpl);
+ break;
+ }
+ gBS->RestoreTPL (OldTpl);
+ }
+
+ Status = SdMmcWaitTrbEnv (Private, Trb);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = SdMmcExecTrb (Private, Trb);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = SdMmcWaitTrbResult (Private, Trb);
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+Done:
+ if ((Trb != NULL) && (Trb->AdmaDesc != NULL)) {
+ FreePages (Trb->AdmaDesc, Trb->AdmaPages);
+ }
+
+ if (Trb != NULL) {
+ FreePool (Trb);
+ }
+
+ return Status;
+}
+
+/**
+ Used to retrieve next slot numbers supported by the SD controller. The function
+ returns information about all available slots (populated or not-populated).
+
+ The GetNextSlot() function retrieves the next slot number on an SD controller.
+ If on input Slot is 0xFF, then the slot number of the first slot on the SD controller
+ is returned.
+
+ If Slot is a slot number that was returned on a previous call to GetNextSlot(), then
+ the slot number of the next slot on the SD controller is returned.
+
+ If Slot is not 0xFF and Slot was not returned on a previous call to GetNextSlot(),
+ EFI_INVALID_PARAMETER is returned.
+
+ If Slot is the slot number of the last slot on the SD controller, then EFI_NOT_FOUND
+ is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.
+ @param[in,out] Slot On input, a pointer to a slot number on the SD controller.
+ On output, a pointer to the next slot number on the SD controller.
+ An input value of 0xFF retrieves the first slot number on the SD
+ controller.
+
+ @retval EFI_SUCCESS The next slot number on the SD controller was returned in Slot.
+ @retval EFI_NOT_FOUND There are no more slots on this SD controller.
+ @retval EFI_INVALID_PARAMETER Slot is not 0xFF and Slot was not returned on a previous call
+ to GetNextSlot().
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruGetNextSlot (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 *Slot
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ UINT8 Index;
+
+ if ((This == NULL) || (Slot == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (This);
+
+ if (*Slot == 0xFF) {
+ for (Index = 0; Index < SD_MMC_HC_MAX_SLOT; Index++) {
+ if (Private->Slot[Index].Enable) {
+ *Slot = Index;
+ Private->PreviousSlot = Index;
+ return EFI_SUCCESS;
+ }
+ }
+ return EFI_NOT_FOUND;
+ } else if (*Slot == Private->PreviousSlot) {
+ for (Index = *Slot + 1; Index < SD_MMC_HC_MAX_SLOT; Index++) {
+ if (Private->Slot[Index].Enable) {
+ *Slot = Index;
+ Private->PreviousSlot = Index;
+ return EFI_SUCCESS;
+ }
+ }
+ return EFI_NOT_FOUND;
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+}
+
+/**
+ Used to allocate and build a device path node for an SD card on the SD controller.
+
+ The BuildDevicePath() function allocates and builds a single device node for the SD
+ card specified by Slot.
+
+ If the SD card specified by Slot is not present on the SD controller, then EFI_NOT_FOUND
+ is returned.
+
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned.
+
+ If there are not enough resources to allocate the device path node, then EFI_OUT_OF_RESOURCES
+ is returned.
+
+ Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of
+ DevicePath are initialized to describe the SD card specified by Slot, and EFI_SUCCESS is
+ returned.
+
+ @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.
+ @param[in] Slot Specifies the slot number of the SD card for which a device
+ path node is to be allocated and built.
+ @param[in,out] DevicePath A pointer to a single device path node that describes the SD
+ card specified by Slot. This function is responsible for
+ allocating the buffer DevicePath with the boot service
+ AllocatePool(). It is the caller's responsibility to free
+ DevicePath when the caller is finished with DevicePath.
+
+ @retval EFI_SUCCESS The device path node that describes the SD card specified by
+ Slot was allocated and returned in DevicePath.
+ @retval EFI_NOT_FOUND The SD card specified by Slot does not exist on the SD controller.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruBuildDevicePath (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ SD_DEVICE_PATH *SdNode;
+ EMMC_DEVICE_PATH *EmmcNode;
+
+ if ((This == NULL) || (DevicePath == NULL) || (Slot >= SD_MMC_HC_MAX_SLOT)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (This);
+
+ if ((!Private->Slot[Slot].Enable) || (!Private->Slot[Slot].MediaPresent)) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (Private->Slot[Slot].CardType == SdCardType) {
+ SdNode = AllocateCopyPool (sizeof (SD_DEVICE_PATH), &mSdDpTemplate);
+ if (SdNode == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ SdNode->SlotNumber = Slot;
+
+ *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) SdNode;
+ } else if (Private->Slot[Slot].CardType == EmmcCardType) {
+ EmmcNode = AllocateCopyPool (sizeof (EMMC_DEVICE_PATH), &mEmmcDpTemplate);
+ if (EmmcNode == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ EmmcNode->SlotNumber = Slot;
+
+ *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) EmmcNode;
+ } else {
+ //
+ // Currently we only support SD and EMMC two device nodes.
+ //
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function retrieves an SD card slot number based on the input device path.
+
+ The GetSlotNumber() function retrieves slot number for the SD card specified by
+ the DevicePath node. If DevicePath is NULL, EFI_INVALID_PARAMETER is returned.
+
+ If DevicePath is not a device path node type that the SD Pass Thru driver supports,
+ EFI_UNSUPPORTED is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
+ @param[in] DevicePath A pointer to the device path node that describes a SD
+ card on the SD controller.
+ @param[out] Slot On return, points to the slot number of an SD card on
+ the SD controller.
+
+ @retval EFI_SUCCESS SD card slot number is returned in Slot.
+ @retval EFI_INVALID_PARAMETER Slot or DevicePath is NULL.
+ @retval EFI_UNSUPPORTED DevicePath is not a device path node type that the SD
+ Pass Thru driver supports.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruGetSlotNumber (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT8 *Slot
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ SD_DEVICE_PATH *SdNode;
+ EMMC_DEVICE_PATH *EmmcNode;
+ UINT8 SlotNumber;
+
+ if ((This == NULL) || (DevicePath == NULL) || (Slot == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (This);
+
+ //
+ // Check whether the DevicePath belongs to SD_DEVICE_PATH or EMMC_DEVICE_PATH
+ //
+ if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||
+ ((DevicePath->SubType != MSG_SD_DP) &&
+ (DevicePath->SubType != MSG_EMMC_DP)) ||
+ (DevicePathNodeLength(DevicePath) != sizeof(SD_DEVICE_PATH)) ||
+ (DevicePathNodeLength(DevicePath) != sizeof(EMMC_DEVICE_PATH))) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (DevicePath->SubType == MSG_SD_DP) {
+ SdNode = (SD_DEVICE_PATH *) DevicePath;
+ SlotNumber = SdNode->SlotNumber;
+ } else {
+ EmmcNode = (EMMC_DEVICE_PATH *) DevicePath;
+ SlotNumber = EmmcNode->SlotNumber;
+ }
+
+ if (SlotNumber >= SD_MMC_HC_MAX_SLOT) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (Private->Slot[SlotNumber].Enable) {
+ *Slot = SlotNumber;
+ return EFI_SUCCESS;
+ } else {
+ return EFI_NOT_FOUND;
+ }
+}
+
+/**
+ Resets an SD card that is connected to the SD controller.
+
+ The ResetDevice() function resets the SD card specified by Slot.
+
+ If this SD controller does not support a device reset operation, EFI_UNSUPPORTED is
+ returned.
+
+ If Slot is not in a valid slot number for this SD controller, EFI_INVALID_PARAMETER
+ is returned.
+
+ If the device reset operation is completed, EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
+ @param[in] Slot Specifies the slot number of the SD card to be reset.
+
+ @retval EFI_SUCCESS The SD card specified by Slot was reset.
+ @retval EFI_UNSUPPORTED The SD controller does not support a device reset operation.
+ @retval EFI_INVALID_PARAMETER Slot number is invalid.
+ @retval EFI_NO_MEDIA SD Device not present in the Slot.
+ @retval EFI_DEVICE_ERROR The reset command failed due to a device error
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruResetDevice (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot
+ )
+{
+ SD_MMC_HC_PRIVATE_DATA *Private;
+ LIST_ENTRY *Link;
+ LIST_ENTRY *NextLink;
+ SD_MMC_HC_TRB *Trb;
+ EFI_TPL OldTpl;
+
+ if (This == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = SD_MMC_HC_PRIVATE_FROM_THIS (This);
+
+ if (!Private->Slot[Slot].Enable) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (!Private->Slot[Slot].MediaPresent) {
+ return EFI_NO_MEDIA;
+ }
+
+ if (!Private->Slot[Slot].Initialized) {
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Free all async I/O requests in the queue
+ //
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ for (Link = GetFirstNode (&Private->Queue);
+ !IsNull (&Private->Queue, Link);
+ Link = NextLink) {
+ NextLink = GetNextNode (&Private->Queue, Link);
+ RemoveEntryList (Link);
+ Trb = SD_MMC_HC_TRB_FROM_THIS (Link);
+ Trb->Packet->TransactionStatus = EFI_ABORTED;
+ gBS->SignalEvent (Trb->Event);
+ SdMmcFreeTrb (Trb);
+ }
+
+ gBS->RestoreTPL (OldTpl);
+
+ return EFI_SUCCESS;
+}
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h new file mode 100644 index 0000000000..6a2a279699 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.h @@ -0,0 +1,785 @@ +/** @file
+
+ Provides some data structure definitions used by the SD/MMC host controller driver.
+
+Copyright (c) 2015, 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.
+
+**/
+
+#ifndef _SD_MMC_PCI_HC_DXE_H_
+#define _SD_MMC_PCI_HC_DXE_H_
+
+#include <Uefi.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Emmc.h>
+#include <IndustryStandard/Sd.h>
+
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/DebugLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiLib.h>
+#include <Library/DevicePathLib.h>
+
+#include <Protocol/DevicePath.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/DriverBinding.h>
+#include <Protocol/ComponentName.h>
+#include <Protocol/ComponentName2.h>
+#include <Protocol/SdMmcPassThru.h>
+
+#include "SdMmcPciHci.h"
+
+extern EFI_COMPONENT_NAME_PROTOCOL gSdMmcPciHcComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gSdMmcPciHcComponentName2;
+extern EFI_DRIVER_BINDING_PROTOCOL gSdMmcPciHcDriverBinding;
+
+#define SD_MMC_HC_PRIVATE_SIGNATURE SIGNATURE_32 ('s', 'd', 't', 'f')
+
+#define SD_MMC_HC_PRIVATE_FROM_THIS(a) \
+ CR(a, SD_MMC_HC_PRIVATE_DATA, PassThru, SD_MMC_HC_PRIVATE_SIGNATURE)
+
+//
+// Generic time out value, 1 microsecond as unit.
+//
+#define SD_MMC_HC_GENERIC_TIMEOUT 1 * 1000 * 1000
+
+//
+// SD/MMC async transfer timer interval, set by experience.
+// The unit is 100us, takes 1ms as interval.
+//
+#define SD_MMC_HC_ASYNC_TIMER EFI_TIMER_PERIOD_MILLISECONDS(1)
+//
+// SD/MMC removable device enumeration timer interval, set by experience.
+// The unit is 100us, takes 100ms as interval.
+//
+#define SD_MMC_HC_ENUM_TIMER EFI_TIMER_PERIOD_MILLISECONDS(100)
+
+typedef enum {
+ UnknownCardType,
+ SdCardType,
+ SdioCardType,
+ MmcCardType,
+ EmmcCardType
+} SD_MMC_CARD_TYPE;
+
+typedef enum {
+ RemovableSlot,
+ EmbeddedSlot,
+ SharedBusSlot,
+ UnknownSlot
+} EFI_SD_MMC_SLOT_TYPE;
+
+typedef struct {
+ BOOLEAN Enable;
+ EFI_SD_MMC_SLOT_TYPE SlotType;
+ BOOLEAN MediaPresent;
+ BOOLEAN Initialized;
+ SD_MMC_CARD_TYPE CardType;
+} SD_MMC_HC_SLOT;
+
+typedef struct {
+ UINTN Signature;
+
+ EFI_HANDLE ControllerHandle;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+
+ EFI_SD_MMC_PASS_THRU_PROTOCOL PassThru;
+
+ UINT64 PciAttributes;
+ //
+ // The field is used to record the previous slot in GetNextSlot().
+ //
+ UINT8 PreviousSlot;
+ //
+ // For Non-blocking operation.
+ //
+ EFI_EVENT TimerEvent;
+ //
+ // For Sd removable device enumeration.
+ //
+ EFI_EVENT ConnectEvent;
+ LIST_ENTRY Queue;
+
+ SD_MMC_HC_SLOT Slot[SD_MMC_HC_MAX_SLOT];
+ SD_MMC_HC_SLOT_CAP Capability[SD_MMC_HC_MAX_SLOT];
+ UINT64 MaxCurrent[SD_MMC_HC_MAX_SLOT];
+
+ UINT32 ControllerVersion;
+} SD_MMC_HC_PRIVATE_DATA;
+
+#define SD_MMC_HC_TRB_SIG SIGNATURE_32 ('T', 'R', 'B', 'T')
+
+//
+// TRB (Transfer Request Block) contains information for the cmd request.
+//
+typedef struct {
+ UINT32 Signature;
+ LIST_ENTRY TrbList;
+
+ UINT8 Slot;
+ UINT16 BlockSize;
+
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ VOID *Data;
+ UINT32 DataLen;
+ BOOLEAN Read;
+ EFI_PHYSICAL_ADDRESS DataPhy;
+ VOID *DataMap;
+ SD_MMC_HC_TRANSFER_MODE Mode;
+
+ EFI_EVENT Event;
+ BOOLEAN Started;
+ UINT64 Timeout;
+
+ SD_MMC_HC_ADMA_DESC_LINE *AdmaDesc;
+ EFI_PHYSICAL_ADDRESS AdmaDescPhy;
+ VOID *AdmaMap;
+ UINT32 AdmaPages;
+
+ SD_MMC_HC_PRIVATE_DATA *Private;
+} SD_MMC_HC_TRB;
+
+#define SD_MMC_HC_TRB_FROM_THIS(a) \
+ CR(a, SD_MMC_HC_TRB, TrbList, SD_MMC_HC_TRB_SIG)
+
+//
+// Task for Non-blocking mode.
+//
+typedef struct {
+ UINT32 Signature;
+ LIST_ENTRY Link;
+
+ UINT8 Slot;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ BOOLEAN IsStart;
+ EFI_EVENT Event;
+ UINT64 RetryTimes;
+ BOOLEAN InfiniteWait;
+ VOID *Map;
+ VOID *MapAddress;
+} SD_MMC_HC_QUEUE;
+
+//
+// Prototypes
+//
+/**
+ Execute card identification procedure.
+
+ @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 The card is identified correctly.
+ @retval Others The card can't be identified.
+
+**/
+typedef
+EFI_STATUS
+(*CARD_TYPE_DETECT_ROUTINE) (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot
+ );
+
+/**
+ Sends SD command to an SD card that is attached to the SD controller.
+
+ The PassThru() function sends the SD command specified by Packet to the SD card
+ specified by Slot.
+
+ If Packet is successfully sent to the SD card, then EFI_SUCCESS is returned.
+
+ If a device error occurs while sending the Packet, then EFI_DEVICE_ERROR is returned.
+
+ If Slot is not in a valid range for the SD controller, then EFI_INVALID_PARAMETER
+ is returned.
+
+ If Packet defines a data command but both InDataBuffer and OutDataBuffer are NULL,
+ EFI_INVALID_PARAMETER is returned.
+
+ @param[in] This 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,out] Packet A pointer to the SD command data structure.
+ @param[in] Event If Event is NULL, blocking I/O is performed. If Event is
+ not NULL, then nonblocking I/O is performed, and Event
+ will be signaled when the Packet completes.
+
+ @retval EFI_SUCCESS The SD Command Packet was sent by the host.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SD
+ command Packet.
+ @retval EFI_INVALID_PARAMETER Packet, Slot, or the contents of the Packet is invalid.
+ @retval EFI_INVALID_PARAMETER Packet defines a data command but both InDataBuffer and
+ OutDataBuffer are NULL.
+ @retval EFI_NO_MEDIA SD Device not present in the Slot.
+ @retval EFI_UNSUPPORTED The command described by the SD Command Packet is not
+ supported by the host controller.
+ @retval EFI_BAD_BUFFER_SIZE The InTransferLength or OutTransferLength exceeds the
+ limit supported by SD card ( i.e. if the number of bytes
+ exceed the Last LBA).
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruPassThru (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot,
+ IN OUT EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+/**
+ Used to retrieve next slot numbers supported by the SD controller. The function
+ returns information about all available slots (populated or not-populated).
+
+ The GetNextSlot() function retrieves the next slot number on an SD controller.
+ If on input Slot is 0xFF, then the slot number of the first slot on the SD controller
+ is returned.
+
+ If Slot is a slot number that was returned on a previous call to GetNextSlot(), then
+ the slot number of the next slot on the SD controller is returned.
+
+ If Slot is not 0xFF and Slot was not returned on a previous call to GetNextSlot(),
+ EFI_INVALID_PARAMETER is returned.
+
+ If Slot is the slot number of the last slot on the SD controller, then EFI_NOT_FOUND
+ is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.
+ @param[in,out] Slot On input, a pointer to a slot number on the SD controller.
+ On output, a pointer to the next slot number on the SD controller.
+ An input value of 0xFF retrieves the first slot number on the SD
+ controller.
+
+ @retval EFI_SUCCESS The next slot number on the SD controller was returned in Slot.
+ @retval EFI_NOT_FOUND There are no more slots on this SD controller.
+ @retval EFI_INVALID_PARAMETER Slot is not 0xFF and Slot was not returned on a previous call
+ to GetNextSlot().
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruGetNextSlot (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 *Slot
+ );
+
+/**
+ Used to allocate and build a device path node for an SD card on the SD controller.
+
+ The BuildDevicePath() function allocates and builds a single device node for the SD
+ card specified by Slot.
+
+ If the SD card specified by Slot is not present on the SD controller, then EFI_NOT_FOUND
+ is returned.
+
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned.
+
+ If there are not enough resources to allocate the device path node, then EFI_OUT_OF_RESOURCES
+ is returned.
+
+ Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of
+ DevicePath are initialized to describe the SD card specified by Slot, and EFI_SUCCESS is
+ returned.
+
+ @param[in] This A pointer to the EFI_SD_MMMC_PASS_THRU_PROTOCOL instance.
+ @param[in] Slot Specifies the slot number of the SD card for which a device
+ path node is to be allocated and built.
+ @param[in,out] DevicePath A pointer to a single device path node that describes the SD
+ card specified by Slot. This function is responsible for
+ allocating the buffer DevicePath with the boot service
+ AllocatePool(). It is the caller's responsibility to free
+ DevicePath when the caller is finished with DevicePath.
+
+ @retval EFI_SUCCESS The device path node that describes the SD card specified by
+ Slot was allocated and returned in DevicePath.
+ @retval EFI_NOT_FOUND The SD card specified by Slot does not exist on the SD controller.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruBuildDevicePath (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ );
+
+/**
+ This function retrieves an SD card slot number based on the input device path.
+
+ The GetSlotNumber() function retrieves slot number for the SD card specified by
+ the DevicePath node. If DevicePath is NULL, EFI_INVALID_PARAMETER is returned.
+
+ If DevicePath is not a device path node type that the SD Pass Thru driver supports,
+ EFI_UNSUPPORTED is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
+ @param[in] DevicePath A pointer to the device path node that describes a SD
+ card on the SD controller.
+ @param[out] Slot On return, points to the slot number of an SD card on
+ the SD controller.
+
+ @retval EFI_SUCCESS SD card slot number is returned in Slot.
+ @retval EFI_INVALID_PARAMETER Slot or DevicePath is NULL.
+ @retval EFI_UNSUPPORTED DevicePath is not a device path node type that the SD
+ Pass Thru driver supports.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruGetSlotNumber (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT8 *Slot
+ );
+
+/**
+ Resets an SD card that is connected to the SD controller.
+
+ The ResetDevice() function resets the SD card specified by Slot.
+
+ If this SD controller does not support a device reset operation, EFI_UNSUPPORTED is
+ returned.
+
+ If Slot is not in a valid slot number for this SD controller, EFI_INVALID_PARAMETER
+ is returned.
+
+ If the device reset operation is completed, EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.
+ @param[in] Slot Specifies the slot number of the SD card to be reset.
+
+ @retval EFI_SUCCESS The SD card specified by Slot was reset.
+ @retval EFI_UNSUPPORTED The SD controller does not support a device reset operation.
+ @retval EFI_INVALID_PARAMETER Slot number is invalid.
+ @retval EFI_NO_MEDIA SD Device not present in the Slot.
+ @retval EFI_DEVICE_ERROR The reset command failed due to a device error
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPassThruResetDevice (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *This,
+ IN UINT8 Slot
+ );
+
+//
+// Driver model protocol interfaces
+//
+/**
+ Tests to see if this driver supports a given controller. If a child device is provided,
+ it further tests to see if this driver supports creating a handle for the specified child device.
+
+ This function checks to see if the driver specified by This supports the device specified by
+ ControllerHandle. Drivers will typically use the device path attached to
+ ControllerHandle and/or the services from the bus I/O abstraction attached to
+ ControllerHandle to determine if the driver supports ControllerHandle. This function
+ may be called many times during platform initialization. In order to reduce boot times, the tests
+ performed by this function must be very small, and take as little time as possible to execute. This
+ function must not change the state of any hardware devices, and this function must be aware that the
+ device specified by ControllerHandle may already be managed by the same driver or a
+ different driver. This function must match its calls to AllocatePages() with FreePages(),
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
+ Since ControllerHandle may have been previously started by the same driver, if a protocol is
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required
+ to guarantee the state of ControllerHandle is not modified by this function.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to test. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For bus drivers, if this parameter is not NULL, then
+ the bus driver must determine if the bus controller specified
+ by ControllerHandle and the child controller specified
+ by RemainingDevicePath are both supported by this
+ bus driver.
+
+ @retval EFI_SUCCESS The device specified by ControllerHandle and
+ RemainingDevicePath is supported by the driver specified by This.
+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by the driver
+ specified by This.
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by a different
+ driver or an application that requires exclusive access.
+ Currently not implemented.
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
+ RemainingDevicePath is not supported by the driver specified by This.
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Starts a device controller or a bus controller.
+
+ The Start() function is designed to be invoked from the EFI boot service ConnectController().
+ As a result, much of the error checking on the parameters to Start() has been moved into this
+ common boot service. It is legal to call Start() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE.
+ 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
+ EFI_DEVICE_PATH_PROTOCOL.
+ 3. Prior to calling Start(), the Supported() function for the driver specified by This must
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to start. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For a bus driver, if this parameter is NULL, then handles
+ for all the children of Controller are created by this driver.
+ If this parameter is not NULL and the first Device Path Node is
+ not the End of Device Path Node, then only the handle for the
+ child device specified by the first Device Path Node of
+ RemainingDevicePath is created by this driver.
+ If the first Device Path Node of RemainingDevicePath is
+ the End of Device Path Node, no child handle is created by this
+ driver.
+
+ @retval EFI_SUCCESS The device was started.
+ @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval Others The driver failded to start the device.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Stops a device controller or a bus controller.
+
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
+ As a result, much of the error checking on the parameters to Stop() has been moved
+ into this common boot service. It is legal to call Stop() from other locations,
+ but the following calling restrictions must be followed or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
+ same driver's Start() function.
+ 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
+ EFI_HANDLE. In addition, all of these handles must have been created in this driver's
+ Start() function, and the Start() function must have called OpenProtocol() on
+ ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must
+ support a bus specific I/O protocol for the driver
+ to use to stop the device.
+ @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
+ if NumberOfChildren is 0.
+
+ @retval EFI_SUCCESS The device was stopped.
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+//
+// EFI Component Name Functions
+//
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+
+ @param DriverName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+
+ @param ChildHandle[in] The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+
+ @param ControllerName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcPciHcComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle, OPTIONAL
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+/**
+ Create a new TRB for the SD/MMC cmd request.
+
+ @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.
+ @param[in] Packet A pointer to the SD command data structure.
+ @param[in] Event If Event is NULL, blocking I/O is performed. If Event is
+ not NULL, then nonblocking I/O is performed, and Event
+ will be signaled when the Packet completes.
+
+ @return Created Trb or NULL.
+
+**/
+SD_MMC_HC_TRB *
+SdMmcCreateTrb (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event
+ );
+
+/**
+ Free the resource used by the TRB.
+
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+**/
+VOID
+SdMmcFreeTrb (
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Check if the env is ready for execute specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The env is ready for TRB execution.
+ @retval EFI_NOT_READY The env is not ready for TRB execution.
+ @retval Others Some erros happen.
+
+**/
+EFI_STATUS
+SdMmcCheckTrbEnv (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Wait for the env to be ready for execute specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The env is ready for TRB execution.
+ @retval EFI_TIMEOUT The env is not ready for TRB execution in time.
+ @retval Others Some erros happen.
+
+**/
+EFI_STATUS
+SdMmcWaitTrbEnv (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Execute the specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is sent to host controller successfully.
+ @retval Others Some erros happen when sending this request to the host controller.
+
+**/
+EFI_STATUS
+SdMmcExecTrb (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Check the TRB execution result.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is executed successfully.
+ @retval EFI_NOT_READY The TRB is not completed for execution.
+ @retval Others Some erros happen when executing this request.
+
+**/
+EFI_STATUS
+SdMmcCheckTrbResult (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Wait for the TRB execution result.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is executed successfully.
+ @retval Others Some erros happen when executing this request.
+
+**/
+EFI_STATUS
+SdMmcWaitTrbResult (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ );
+
+/**
+ Execute EMMC device identification procedure.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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 EMMC card.
+ @retval Others There is not a EMMC card.
+
+**/
+EFI_STATUS
+EmmcIdentification (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot
+ );
+
+/**
+ Execute EMMC device identification procedure.
+
+ Refer to EMMC Electrical Standard Spec 5.1 Section 6.4 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 EMMC card.
+ @retval Others There is not a EMMC card.
+
+**/
+EFI_STATUS
+SdCardIdentification (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot
+ );
+
+#endif
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.inf b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.inf new file mode 100644 index 0000000000..fad9fc610e --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.inf @@ -0,0 +1,64 @@ +## @file
+# SdMmcPciHcDxe driver is used to manage those host controllers which comply with SD
+# Host Controller Simplified Specifiction version 3.0.
+#
+# It will produce EFI_SD_MMC_PASS_THRU_PROTOCOL to allow sending SD/MMC/eMMC cmds
+# to specified devices from upper layer.
+#
+# Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+# Copyright (C) 2016 Marvell International Ltd. 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.
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = XenonDxe
+ MODULE_UNI_FILE = SdMmcPciHcDxe.uni
+ FILE_GUID = 17f56b40-f7c1-435c-ab8d-404872da951e
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = InitializeSdMmcPciHcDxe
+
+[Sources]
+ ComponentName.c
+ EmmcDevice.c
+ SdDevice.c
+ SdMmcPciHcDxe.c
+ SdMmcPciHcDxe.h
+ SdMmcPciHci.c
+ SdMmcPciHci.h
+ XenonSdhci.c
+ XenonSdhci.h
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+ DevicePathLib
+ MemoryAllocationLib
+ UefiBootServicesTableLib
+ UefiDriverEntryPoint
+ UefiLib
+ UefiRuntimeServicesTableLib
+
+[Protocols]
+ gEfiDevicePathProtocolGuid ## TO_START
+ gEfiPciIoProtocolGuid ## TO_START
+ gEfiSdMmcPassThruProtocolGuid ## BY_START
+
+# [Event]
+# EVENT_TYPE_PERIODIC_TIMER ## SOMETIMES_CONSUMES
+
+[UserExtensions.TianoCore."ExtraFiles"]
+ SdMmcPciHcDxeExtra.uni
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.uni b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.uni new file mode 100644 index 0000000000..57f9fa76a1 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxe.uni @@ -0,0 +1,23 @@ +// /** @file
+// SdMmcPciHcDxe driver is used to manage those host controllers which comply with SD
+// Host Controller Simplified Specifiction version 3.0.
+//
+// It will produce EFI_SD_MMC_PASS_THRU_PROTOCOL to allow sending SD/MMC/eMMC cmds
+// to specified devices from upper layer.
+//
+// Copyright (c) 2015, 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.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "SD/MMC Pci Host Controller driver to manage SD/MMC host controllers"
+
+#string STR_MODULE_DESCRIPTION #language en-US "This driver follows the UEFI driver model and produces SD/MMC Pass Thru protocol for upper layer bus driver."
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxeExtra.uni b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxeExtra.uni new file mode 100644 index 0000000000..c7aedb4cda --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHcDxeExtra.uni @@ -0,0 +1,19 @@ +// /** @file
+// SdMmcPciHcDxe Localized Strings and Content
+//
+// Copyright (c) 2015, 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.
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"SD/MMC Pci Host Controller Driver"
+
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c new file mode 100644 index 0000000000..ccbf355016 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.c @@ -0,0 +1,1923 @@ +/** @file
+ This driver is used to manage SD/MMC PCI host controllers which are compliance
+ with SD Host Controller Simplified Specification version 3.00.
+
+ It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.
+
+ 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"
+
+/**
+ Dump the content of SD/MMC host controller's Capability Register.
+
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The buffer to store the capability data.
+
+**/
+VOID
+DumpCapabilityReg (
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP *Capability
+ )
+{
+ //
+ // Dump Capability Data
+ //
+ DEBUG ((DEBUG_INFO, " == Slot [%d] Capability is 0x%x ==\n", Slot, Capability));
+ DEBUG ((DEBUG_INFO, " Timeout Clk Freq %d%a\n", Capability->TimeoutFreq, (Capability->TimeoutUnit) ? "MHz" : "KHz"));
+ DEBUG ((DEBUG_INFO, " Base Clk Freq %dMHz\n", Capability->BaseClkFreq));
+ DEBUG ((DEBUG_INFO, " Max Blk Len %dbytes\n", 512 * (1 << Capability->MaxBlkLen)));
+ DEBUG ((DEBUG_INFO, " 8-bit Support %a\n", Capability->BusWidth8 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " ADMA2 Support %a\n", Capability->Adma2 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " HighSpeed Support %a\n", Capability->HighSpeed ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " SDMA Support %a\n", Capability->Sdma ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Suspend/Resume %a\n", Capability->SuspRes ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Voltage 3.3 %a\n", Capability->Voltage33 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Voltage 3.0 %a\n", Capability->Voltage30 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Voltage 1.8 %a\n", Capability->Voltage18 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " 64-bit Sys Bus %a\n", Capability->SysBus64 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Async Interrupt %a\n", Capability->AsyncInt ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " SlotType "));
+ if (Capability->SlotType == 0x00) {
+ DEBUG ((DEBUG_INFO, "%a\n", "Removable Slot"));
+ } else if (Capability->SlotType == 0x01) {
+ DEBUG ((DEBUG_INFO, "%a\n", "Embedded Slot"));
+ } else if (Capability->SlotType == 0x02) {
+ DEBUG ((DEBUG_INFO, "%a\n", "Shared Bus Slot"));
+ } else {
+ DEBUG ((DEBUG_INFO, "%a\n", "Reserved"));
+ }
+ DEBUG ((DEBUG_INFO, " SDR50 Support %a\n", Capability->Sdr50 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " SDR104 Support %a\n", Capability->Sdr104 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " DDR50 Support %a\n", Capability->Ddr50 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Driver Type A %a\n", Capability->DriverTypeA ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Driver Type C %a\n", Capability->DriverTypeC ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Driver Type D %a\n", Capability->DriverTypeD ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Driver Type 4 %a\n", Capability->DriverType4 ? "TRUE" : "FALSE"));
+ if (Capability->TimerCount == 0) {
+ DEBUG ((DEBUG_INFO, " Retuning TimerCnt Disabled\n", 2 * (Capability->TimerCount - 1)));
+ } else {
+ DEBUG ((DEBUG_INFO, " Retuning TimerCnt %dseconds\n", 2 * (Capability->TimerCount - 1)));
+ }
+ DEBUG ((DEBUG_INFO, " SDR50 Tuning %a\n", Capability->TuningSDR50 ? "TRUE" : "FALSE"));
+ DEBUG ((DEBUG_INFO, " Retuning Mode Mode %d\n", Capability->RetuningMod + 1));
+ DEBUG ((DEBUG_INFO, " Clock Multiplier M = %d\n", Capability->ClkMultiplier + 1));
+ DEBUG ((DEBUG_INFO, " HS 400 %a\n", Capability->Hs400 ? "TRUE" : "FALSE"));
+ return;
+}
+
+/**
+ Read SlotInfo register from SD/MMC host controller pci config space.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[out] FirstBar The buffer to store the first BAR value.
+ @param[out] SlotNum The buffer to store the supported slot number.
+
+ @retval EFI_SUCCESS The operation succeeds.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcGetSlotInfo (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ OUT UINT8 *FirstBar,
+ OUT UINT8 *SlotNum
+ )
+{
+ EFI_STATUS Status;
+ SD_MMC_HC_SLOT_INFO SlotInfo;
+
+ Status = PciIo->Pci.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ SD_MMC_HC_SLOT_OFFSET,
+ sizeof (SlotInfo),
+ &SlotInfo
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ *FirstBar = SlotInfo.FirstBar;
+ *SlotNum = SlotInfo.SlotNum + 1;
+ ASSERT ((*FirstBar + *SlotNum) < SD_MMC_HC_MAX_SLOT);
+ return EFI_SUCCESS;
+}
+
+/**
+ Read/Write specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Read A boolean to indicate it's read or write operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in, out] Data For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
+ to write data from. The caller is responsible for
+ having ownership of the data buffer and ensuring its
+ size not less than Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or Data is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The read/write operation succeeds.
+ @retval Others The read/write operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcRwMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN BOOLEAN Read,
+ IN UINT8 Count,
+ IN OUT VOID *Data
+ )
+{
+ EFI_STATUS Status;
+
+ if ((PciIo == NULL) || (Data == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((Count != 1) && (Count != 2) && (Count != 4) && (Count != 8)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (Read) {
+ Status = PciIo->Mem.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ BarIndex,
+ (UINT64) Offset,
+ Count,
+ Data
+ );
+ } else {
+ Status = PciIo->Mem.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ BarIndex,
+ (UINT64) Offset,
+ Count,
+ Data
+ );
+ }
+
+ return Status;
+}
+
+/**
+ Do OR operation with the value of the specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in] OrData The pointer to the data used to do OR operation.
+ The caller is responsible for having ownership of
+ the data buffer and ensuring its size not less than
+ Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or OrData is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The OR operation succeeds.
+ @retval Others The OR operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcOrMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN VOID *OrData
+ )
+{
+ EFI_STATUS Status;
+ UINT64 Data;
+ UINT64 Or;
+
+ Status = SdMmcHcRwMmio (PciIo, BarIndex, Offset, TRUE, Count, &Data);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Count == 1) {
+ Or = *(UINT8*) OrData;
+ } else if (Count == 2) {
+ Or = *(UINT16*) OrData;
+ } else if (Count == 4) {
+ Or = *(UINT32*) OrData;
+ } else if (Count == 8) {
+ Or = *(UINT64*) OrData;
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Data |= Or;
+ Status = SdMmcHcRwMmio (PciIo, BarIndex, Offset, FALSE, Count, &Data);
+
+ return Status;
+}
+
+/**
+ Do AND operation with the value of the specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in] AndData The pointer to the data used to do AND operation.
+ The caller is responsible for having ownership of
+ the data buffer and ensuring its size not less than
+ Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or AndData is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The AND operation succeeds.
+ @retval Others The AND operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcAndMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN VOID *AndData
+ )
+{
+ EFI_STATUS Status;
+ UINT64 Data;
+ UINT64 And;
+
+ Status = SdMmcHcRwMmio (PciIo, BarIndex, Offset, TRUE, Count, &Data);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if (Count == 1) {
+ And = *(UINT8*) AndData;
+ } else if (Count == 2) {
+ And = *(UINT16*) AndData;
+ } else if (Count == 4) {
+ And = *(UINT32*) AndData;
+ } else if (Count == 8) {
+ And = *(UINT64*) AndData;
+ } else {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Data &= And;
+ Status = SdMmcHcRwMmio (PciIo, BarIndex, Offset, FALSE, Count, &Data);
+
+ return Status;
+}
+
+/**
+ Wait for the value of the specified MMIO register set to the test value.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2, 4 or 8 bytes.
+ @param[in] MaskValue The mask value of memory.
+ @param[in] TestValue The test value of memory.
+
+ @retval EFI_NOT_READY The MMIO register hasn't set to the expected value.
+ @retval EFI_SUCCESS The MMIO register has expected value.
+ @retval Others The MMIO operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcCheckMmioSet (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN UINT64 MaskValue,
+ IN UINT64 TestValue
+ )
+{
+ EFI_STATUS Status;
+ UINT64 Value;
+
+ //
+ // Access PCI MMIO space to see if the value is the tested one.
+ //
+ Value = 0;
+ Status = SdMmcHcRwMmio (PciIo, BarIndex, Offset, TRUE, Count, &Value);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Value &= MaskValue;
+
+ if (Value == TestValue) {
+ return EFI_SUCCESS;
+ }
+
+ return EFI_NOT_READY;
+}
+
+/**
+ Wait for the value of the specified MMIO register set to the test value.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2, 4 or 8 bytes.
+ @param[in] MaskValue The mask value of memory.
+ @param[in] TestValue The test value of memory.
+ @param[in] Timeout The time out value for wait memory set, uses 1
+ microsecond as a unit.
+
+ @retval EFI_TIMEOUT The MMIO register hasn't expected value in timeout
+ range.
+ @retval EFI_SUCCESS The MMIO register has expected value.
+ @retval Others The MMIO operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcWaitMmioSet (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN UINT64 MaskValue,
+ IN UINT64 TestValue,
+ IN UINT64 Timeout
+ )
+{
+ EFI_STATUS Status;
+ BOOLEAN InfiniteWait;
+
+ if (Timeout == 0) {
+ InfiniteWait = TRUE;
+ } else {
+ InfiniteWait = FALSE;
+ }
+
+ while (InfiniteWait || (Timeout > 0)) {
+ Status = SdMmcHcCheckMmioSet (
+ PciIo,
+ BarIndex,
+ Offset,
+ Count,
+ MaskValue,
+ TestValue
+ );
+ if (Status != EFI_NOT_READY) {
+ return Status;
+ }
+
+ //
+ // Stall for 1 microsecond.
+ //
+ gBS->Stall (1);
+
+ Timeout--;
+ }
+
+ return EFI_TIMEOUT;
+}
+
+/**
+ Software reset the specified SD/MMC host controller and enable all interrupts.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The software reset executes successfully.
+ @retval Others The software reset fails.
+
+**/
+EFI_STATUS
+SdMmcHcReset (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ )
+{
+ EFI_STATUS Status;
+ UINT8 SwReset;
+
+ SwReset = 0xFF;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_SW_RST, FALSE, sizeof (SwReset), &SwReset);
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "SdMmcHcReset: write full 1 fails: %r\n", Status));
+ return Status;
+ }
+
+ Status = SdMmcHcWaitMmioSet (
+ PciIo,
+ Slot,
+ SD_MMC_HC_SW_RST,
+ sizeof (SwReset),
+ 0xFF,
+ 0x00,
+ SD_MMC_HC_GENERIC_TIMEOUT
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_INFO, "SdMmcHcReset: reset done with %r\n", Status));
+ return Status;
+ }
+ //
+ // Enable all interrupt after reset all.
+ //
+ Status = SdMmcHcEnableInterrupt (PciIo, Slot);
+
+ return Status;
+}
+
+/**
+ Set all interrupt status bits in Normal and Error Interrupt Status Enable
+ register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcEnableInterrupt (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ )
+{
+ EFI_STATUS Status;
+ UINT16 IntStatus;
+
+ //
+ // Enable all bits in Error Interrupt Status Enable Register
+ //
+ IntStatus = 0xFFFF;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_ERR_INT_STS_EN, FALSE, sizeof (IntStatus), &IntStatus);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Enable all bits in Normal Interrupt Status Enable Register
+ //
+ IntStatus = 0xFFFF;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_NOR_INT_STS_EN, FALSE, sizeof (IntStatus), &IntStatus);
+
+ return Status;
+}
+
+/**
+ Get the capability data from the specified slot.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] Capability The buffer to store the capability data.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcGetCapability (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT SD_MMC_HC_SLOT_CAP *Capability
+ )
+{
+ EFI_STATUS Status;
+ UINT64 Cap;
+
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CAP, TRUE, sizeof (Cap), &Cap);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ CopyMem (Capability, &Cap, sizeof (Cap));
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Get the maximum current capability data from the specified slot.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] MaxCurrent The buffer to store the maximum current capability data.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcGetMaxCurrent (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT UINT64 *MaxCurrent
+ )
+{
+ EFI_STATUS Status;
+
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_MAX_CURRENT_CAP, TRUE, sizeof (UINT64), MaxCurrent);
+
+ return Status;
+}
+
+/**
+ Detect whether there is a SD/MMC card attached at the specified SD/MMC host controller
+ slot.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.1 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] MediaPresent The pointer to the media present boolean value.
+
+ @retval EFI_SUCCESS There is no media change happened.
+ @retval EFI_MEDIA_CHANGED There is media change happened.
+ @retval Others The detection fails.
+
+**/
+EFI_STATUS
+SdMmcHcCardDetect (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT BOOLEAN *MediaPresent
+ )
+{
+ EFI_STATUS Status;
+ UINT16 Data;
+ UINT32 PresentState;
+
+ //
+ // Check Present State Register to see if there is a card presented.
+ //
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_PRESENT_STATE, TRUE, sizeof (PresentState), &PresentState);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if ((PresentState & BIT16) != 0) {
+ *MediaPresent = TRUE;
+ } else {
+ *MediaPresent = FALSE;
+ }
+
+ //
+ // Check Normal Interrupt Status Register
+ //
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_NOR_INT_STS, TRUE, sizeof (Data), &Data);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if ((Data & (BIT6 | BIT7)) != 0) {
+ //
+ // Clear BIT6 and BIT7 by writing 1 to these two bits if set.
+ //
+ Data &= BIT6 | BIT7;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_NOR_INT_STS, FALSE, sizeof (Data), &Data);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return EFI_MEDIA_CHANGED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Stop SD/MMC card clock.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.2.2 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS Succeed to stop SD/MMC clock.
+ @retval Others Fail to stop SD/MMC clock.
+
+**/
+EFI_STATUS
+SdMmcHcStopClock (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ )
+{
+ EFI_STATUS Status;
+ UINT32 PresentState;
+ UINT16 ClockCtrl;
+
+ //
+ // Ensure no SD transactions are occurring on the SD Bus by
+ // waiting for Command Inhibit (DAT) and Command Inhibit (CMD)
+ // in the Present State register to be 0.
+ //
+ Status = SdMmcHcWaitMmioSet (
+ PciIo,
+ Slot,
+ SD_MMC_HC_PRESENT_STATE,
+ sizeof (PresentState),
+ BIT0 | BIT1,
+ 0,
+ SD_MMC_HC_GENERIC_TIMEOUT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Set SD Clock Enable in the Clock Control register to 0
+ //
+ ClockCtrl = (UINT16)~BIT2;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_CLOCK_CTRL, sizeof (ClockCtrl), &ClockCtrl);
+
+ return Status;
+}
+
+/**
+ SD/MMC card clock supply.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.2.1 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] ClockFreq The max clock frequency to be set. The unit is KHz.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+ @retval Others The clock isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcClockSupply (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT64 ClockFreq,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ )
+{
+ EFI_STATUS Status;
+ UINT32 BaseClkFreq;
+ UINT32 SettingFreq;
+ UINT32 Divisor;
+ UINT32 Remainder;
+ UINT16 ControllerVer;
+ UINT16 ClockCtrl;
+
+ //
+ // Calculate a divisor for SD clock frequency
+ //
+ ASSERT (Capability.BaseClkFreq != 0);
+
+ BaseClkFreq = Capability.BaseClkFreq;
+ if (ClockFreq == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (ClockFreq > (BaseClkFreq * 1000)) {
+ ClockFreq = BaseClkFreq * 1000;
+ }
+
+ //
+ // Calculate the divisor of base frequency.
+ //
+ Divisor = 0;
+ SettingFreq = BaseClkFreq * 1000;
+ while (ClockFreq < SettingFreq) {
+ Divisor++;
+
+ SettingFreq = (BaseClkFreq * 1000) / (2 * Divisor);
+ Remainder = (BaseClkFreq * 1000) % (2 * Divisor);
+ if ((ClockFreq == SettingFreq) && (Remainder == 0)) {
+ break;
+ }
+ if ((ClockFreq == SettingFreq) && (Remainder != 0)) {
+ SettingFreq ++;
+ }
+ }
+
+ DEBUG ((DEBUG_INFO, "BaseClkFreq %dMHz Divisor %d ClockFreq %dKhz\n", BaseClkFreq, Divisor, ClockFreq));
+
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CTRL_VER, TRUE, sizeof (ControllerVer), &ControllerVer);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set SDCLK Frequency Select and Internal Clock Enable fields in Clock Control register.
+ //
+ if ((ControllerVer & 0xFF) == 2) {
+ ASSERT (Divisor <= 0x3FF);
+ ClockCtrl = ((Divisor & 0xFF) << 8) | ((Divisor & 0x300) >> 2);
+ } else if (((ControllerVer & 0xFF) == 0) || ((ControllerVer & 0xFF) == 1)) {
+ //
+ // Only the most significant bit can be used as divisor.
+ //
+ if (((Divisor - 1) & Divisor) != 0) {
+ Divisor = 1 << (HighBitSet32 (Divisor) + 1);
+ }
+ ASSERT (Divisor <= 0x80);
+ ClockCtrl = (Divisor & 0xFF) << 8;
+ } else {
+ DEBUG ((DEBUG_ERROR, "Unknown SD Host Controller Spec version [0x%x]!!!\n", ControllerVer));
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Stop bus clock at first
+ //
+ Status = SdMmcHcStopClock (PciIo, Slot);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Supply clock frequency with specified divisor
+ //
+ ClockCtrl |= BIT0;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_CLOCK_CTRL, FALSE, sizeof (ClockCtrl), &ClockCtrl);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Set SDCLK Frequency Select and Internal Clock Enable fields fails\n"));
+ return Status;
+ }
+
+ //
+ // Wait Internal Clock Stable in the Clock Control register to be 1
+ //
+ Status = SdMmcHcWaitMmioSet (
+ PciIo,
+ Slot,
+ SD_MMC_HC_CLOCK_CTRL,
+ sizeof (ClockCtrl),
+ BIT1,
+ BIT1,
+ SD_MMC_HC_GENERIC_TIMEOUT
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Set SD Clock Enable in the Clock Control register to 1
+ //
+ ClockCtrl = BIT2;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_CLOCK_CTRL, sizeof (ClockCtrl), &ClockCtrl);
+
+ return Status;
+}
+
+/**
+ SD/MMC bus power control.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.3 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] PowerCtrl The value setting to the power control register.
+
+ @retval TRUE There is a SD/MMC card attached.
+ @retval FALSE There is no a SD/MMC card attached.
+
+**/
+EFI_STATUS
+SdMmcHcPowerControl (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT8 PowerCtrl
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Clr SD Bus Power
+ //
+ PowerCtrl &= (UINT8)~BIT0;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_POWER_CTRL, FALSE, sizeof (PowerCtrl), &PowerCtrl);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Set SD Bus Voltage Select and SD Bus Power fields in Power Control Register
+ //
+ PowerCtrl |= BIT0;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_POWER_CTRL, FALSE, sizeof (PowerCtrl), &PowerCtrl);
+
+ return Status;
+}
+
+/**
+ Set the SD/MMC bus width.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.4 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] BusWidth The bus width used by the SD/MMC device, it must be 1, 4 or 8.
+
+ @retval EFI_SUCCESS The bus width is set successfully.
+ @retval Others The bus width isn't set successfully.
+
+**/
+EFI_STATUS
+SdMmcHcSetBusWidth (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT16 BusWidth
+ )
+{
+ EFI_STATUS Status;
+ UINT8 HostCtrl1;
+
+ if (BusWidth == 1) {
+ HostCtrl1 = (UINT8)~(BIT5 | BIT1);
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ } else if (BusWidth == 4) {
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, TRUE, sizeof (HostCtrl1), &HostCtrl1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ HostCtrl1 |= BIT1;
+ HostCtrl1 &= (UINT8)~BIT5;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, FALSE, sizeof (HostCtrl1), &HostCtrl1);
+ } else if (BusWidth == 8) {
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, TRUE, sizeof (HostCtrl1), &HostCtrl1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ HostCtrl1 &= (UINT8)~BIT1;
+ HostCtrl1 |= BIT5;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, FALSE, sizeof (HostCtrl1), &HostCtrl1);
+ } else {
+ ASSERT (FALSE);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ return Status;
+}
+
+/**
+ Supply SD/MMC card with lowest clock frequency at initialization.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+ @retval Others The clock isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitClockFreq (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ )
+{
+ EFI_STATUS Status;
+ UINT32 InitFreq;
+
+ //
+ // Calculate a divisor for SD clock frequency
+ //
+ if (Capability.BaseClkFreq == 0) {
+ //
+ // Don't support get Base Clock Frequency information via another method
+ //
+ return EFI_UNSUPPORTED;
+ }
+ //
+ // Supply 400KHz clock frequency at initialization phase.
+ //
+ InitFreq = 400;
+ Status = SdMmcHcClockSupply (PciIo, Slot, InitFreq, Capability);
+ return Status;
+}
+
+/**
+ Supply SD/MMC card with maximum voltage at initialization.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.3 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The voltage is supplied successfully.
+ @retval Others The voltage isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitPowerVoltage (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ )
+{
+ EFI_STATUS Status;
+ UINT8 MaxVoltage;
+ UINT8 HostCtrl2;
+
+ //
+ // Calculate supported maximum voltage according to SD Bus Voltage Select
+ //
+ if (Capability.Voltage33 != 0) {
+ //
+ // Support 3.3V
+ //
+ MaxVoltage = 0x0E;
+ } else if (Capability.Voltage30 != 0) {
+ //
+ // Support 3.0V
+ //
+ MaxVoltage = 0x0C;
+ } else if (Capability.Voltage18 != 0) {
+ //
+ // Support 1.8V
+ //
+ MaxVoltage = 0x0A;
+ HostCtrl2 = BIT3;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL2, sizeof (HostCtrl2), &HostCtrl2);
+ gBS->Stall (5000);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ } else {
+ ASSERT (FALSE);
+ return EFI_DEVICE_ERROR;
+ }
+
+ //
+ // Set SD Bus Voltage Select and SD Bus Power fields in Power Control Register
+ //
+ Status = SdMmcHcPowerControl (PciIo, Slot, MaxVoltage);
+
+ return Status;
+}
+
+/**
+ Initialize the Timeout Control register with most conservative value at initialization.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 2.2.15 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The timeout control register is configured successfully.
+ @retval Others The timeout control register isn't configured successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitTimeoutCtrl (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Timeout;
+
+ Timeout = 0x0E;
+ Status = SdMmcHcRwMmio (PciIo, Slot, SD_MMC_HC_TIMEOUT_CTRL, FALSE, sizeof (Timeout), &Timeout);
+
+ return Status;
+}
+
+/**
+ Initial SD/MMC host controller with lowest clock frequency, max power and max timeout value
+ at initialization.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The host controller is initialized successfully.
+ @retval Others The host controller isn't initialized successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitHost (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ )
+{
+ EFI_STATUS Status;
+
+ Status = SdMmcHcInitClockFreq (PciIo, Slot, Capability);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = SdMmcHcInitPowerVoltage (PciIo, Slot, Capability);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = SdMmcHcInitTimeoutCtrl (PciIo, Slot);
+ return Status;
+}
+
+/**
+ Turn on/off LED.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] On The boolean to turn on/off LED.
+
+ @retval EFI_SUCCESS The LED is turned on/off successfully.
+ @retval Others The LED isn't turned on/off successfully.
+
+**/
+EFI_STATUS
+SdMmcHcLedOnOff (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN BOOLEAN On
+ )
+{
+ EFI_STATUS Status;
+ UINT8 HostCtrl1;
+
+ if (On) {
+ HostCtrl1 = BIT0;
+ Status = SdMmcHcOrMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ } else {
+ HostCtrl1 = (UINT8)~BIT0;
+ Status = SdMmcHcAndMmio (PciIo, Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ }
+
+ return Status;
+}
+
+/**
+ Build ADMA descriptor table for transfer.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 1.13 for details.
+
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The ADMA descriptor table is created successfully.
+ @retval Others The ADMA descriptor table isn't created successfully.
+
+**/
+EFI_STATUS
+BuildAdmaDescTable (
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_PHYSICAL_ADDRESS Data;
+ UINT64 DataLen;
+ UINT64 Entries;
+ UINT32 Index;
+ UINT64 Remaining;
+ UINT32 Address;
+ UINTN TableSize;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_STATUS Status;
+ UINTN Bytes;
+
+ Data = Trb->DataPhy;
+ DataLen = Trb->DataLen;
+ PciIo = Trb->Private->PciIo;
+ //
+ // Only support 32bit ADMA Descriptor Table
+ //
+ if ((Data >= 0x100000000ul) || ((Data + DataLen) > 0x100000000ul)) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Address field shall be set on 32-bit boundary (Lower 2-bit is always set to 0)
+ // for 32-bit address descriptor table.
+ //
+ if ((Data & (BIT0 | BIT1)) != 0) {
+ DEBUG ((DEBUG_INFO, "The buffer [0x%x] to construct ADMA desc is not aligned to 4 bytes boundary!\n", Data));
+ }
+
+ Entries = DivU64x32 ((DataLen + ADMA_MAX_DATA_PER_LINE - 1), ADMA_MAX_DATA_PER_LINE);
+ TableSize = (UINTN)MultU64x32 (Entries, sizeof (SD_MMC_HC_ADMA_DESC_LINE));
+ Trb->AdmaPages = (UINT32)EFI_SIZE_TO_PAGES (TableSize);
+ Status = PciIo->AllocateBuffer (
+ PciIo,
+ AllocateAnyPages,
+ EfiBootServicesData,
+ EFI_SIZE_TO_PAGES (TableSize),
+ (VOID **)&Trb->AdmaDesc,
+ 0
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ ZeroMem (Trb->AdmaDesc, TableSize);
+ Bytes = TableSize;
+ Status = PciIo->Map (
+ PciIo,
+ EfiPciIoOperationBusMasterCommonBuffer,
+ Trb->AdmaDesc,
+ &Bytes,
+ &Trb->AdmaDescPhy,
+ &Trb->AdmaMap
+ );
+
+ if (EFI_ERROR (Status) || (Bytes != TableSize)) {
+ //
+ // Map error or unable to map the whole RFis buffer into a contiguous region.
+ //
+ PciIo->FreeBuffer (
+ PciIo,
+ EFI_SIZE_TO_PAGES (TableSize),
+ Trb->AdmaDesc
+ );
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ if ((UINT64)(UINTN)Trb->AdmaDescPhy > 0x100000000ul) {
+ //
+ // The ADMA doesn't support 64bit addressing.
+ //
+ PciIo->Unmap (
+ PciIo,
+ Trb->AdmaMap
+ );
+ PciIo->FreeBuffer (
+ PciIo,
+ EFI_SIZE_TO_PAGES (TableSize),
+ Trb->AdmaDesc
+ );
+ return EFI_DEVICE_ERROR;
+ }
+
+ Remaining = DataLen;
+ Address = (UINT32)Data;
+ for (Index = 0; Index < Entries; Index++) {
+ if (Remaining <= ADMA_MAX_DATA_PER_LINE) {
+ Trb->AdmaDesc[Index].Valid = 1;
+ Trb->AdmaDesc[Index].Act = 2;
+ Trb->AdmaDesc[Index].Length = (UINT16)Remaining;
+ Trb->AdmaDesc[Index].Address = Address;
+ break;
+ } else {
+ Trb->AdmaDesc[Index].Valid = 1;
+ Trb->AdmaDesc[Index].Act = 2;
+ Trb->AdmaDesc[Index].Length = 0;
+ Trb->AdmaDesc[Index].Address = Address;
+ }
+
+ Remaining -= ADMA_MAX_DATA_PER_LINE;
+ Address += ADMA_MAX_DATA_PER_LINE;
+ }
+
+ //
+ // Set the last descriptor line as end of descriptor table
+ //
+ Trb->AdmaDesc[Index].End = 1;
+ return EFI_SUCCESS;
+}
+
+/**
+ Create a new TRB for the SD/MMC cmd request.
+
+ @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.
+ @param[in] Packet A pointer to the SD command data structure.
+ @param[in] Event If Event is NULL, blocking I/O is performed. If Event is
+ not NULL, then nonblocking I/O is performed, and Event
+ will be signaled when the Packet completes.
+
+ @return Created Trb or NULL.
+
+**/
+SD_MMC_HC_TRB *
+SdMmcCreateTrb (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event
+ )
+{
+ SD_MMC_HC_TRB *Trb;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+ EFI_PCI_IO_PROTOCOL_OPERATION Flag;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINTN MapLength;
+
+ Trb = AllocateZeroPool (sizeof (SD_MMC_HC_TRB));
+ if (Trb == NULL) {
+ return NULL;
+ }
+
+ Trb->Signature = SD_MMC_HC_TRB_SIG;
+ Trb->Slot = Slot;
+ Trb->BlockSize = 0x200;
+ Trb->Packet = Packet;
+ Trb->Event = Event;
+ Trb->Started = FALSE;
+ Trb->Timeout = Packet->Timeout;
+ Trb->Private = Private;
+
+ if ((Packet->InTransferLength != 0) && (Packet->InDataBuffer != NULL)) {
+ Trb->Data = Packet->InDataBuffer;
+ Trb->DataLen = Packet->InTransferLength;
+ Trb->Read = TRUE;
+ } else if ((Packet->OutTransferLength != 0) && (Packet->OutDataBuffer != NULL)) {
+ Trb->Data = Packet->OutDataBuffer;
+ Trb->DataLen = Packet->OutTransferLength;
+ Trb->Read = FALSE;
+ } else if ((Packet->InTransferLength == 0) && (Packet->OutTransferLength == 0)) {
+ Trb->Data = NULL;
+ Trb->DataLen = 0;
+ } else {
+ goto Error;
+ }
+
+ if (Trb->DataLen < Trb->BlockSize) {
+ Trb->BlockSize = (UINT16)Trb->DataLen;
+ }
+
+ if (((Private->Slot[Trb->Slot].CardType == EmmcCardType) &&
+ (Packet->SdMmcCmdBlk->CommandIndex == EMMC_SEND_TUNING_BLOCK)) ||
+ ((Private->Slot[Trb->Slot].CardType == SdCardType) &&
+ (Packet->SdMmcCmdBlk->CommandIndex == SD_SEND_TUNING_BLOCK))) {
+ Trb->Mode = SdMmcPioMode;
+ } else {
+ if (Trb->Read) {
+ Flag = EfiPciIoOperationBusMasterWrite;
+ } else {
+ Flag = EfiPciIoOperationBusMasterRead;
+ }
+
+ PciIo = Private->PciIo;
+ if (Trb->DataLen != 0) {
+ MapLength = Trb->DataLen;
+ Status = PciIo->Map (
+ PciIo,
+ Flag,
+ Trb->Data,
+ &MapLength,
+ &Trb->DataPhy,
+ &Trb->DataMap
+ );
+ if (EFI_ERROR (Status) || (Trb->DataLen != MapLength)) {
+ Status = EFI_BAD_BUFFER_SIZE;
+ goto Error;
+ }
+ }
+
+ if (Trb->DataLen == 0) {
+ Trb->Mode = SdMmcNoData;
+ } else if (Private->Capability[Slot].Adma2 != 0) {
+ Trb->Mode = SdMmcAdmaMode;
+ Status = BuildAdmaDescTable (Trb);
+ if (EFI_ERROR (Status)) {
+ PciIo->Unmap (PciIo, Trb->DataMap);
+ goto Error;
+ }
+ } else if (Private->Capability[Slot].Sdma != 0) {
+ Trb->Mode = SdMmcSdmaMode;
+ } else {
+ Trb->Mode = SdMmcPioMode;
+ }
+ }
+
+ if (Event != NULL) {
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ InsertTailList (&Private->Queue, &Trb->TrbList);
+ gBS->RestoreTPL (OldTpl);
+ }
+
+ return Trb;
+
+Error:
+ SdMmcFreeTrb (Trb);
+ return NULL;
+}
+
+/**
+ Free the resource used by the TRB.
+
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+**/
+VOID
+SdMmcFreeTrb (
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_PCI_IO_PROTOCOL *PciIo;
+
+ PciIo = Trb->Private->PciIo;
+
+ if (Trb->AdmaMap != NULL) {
+ PciIo->Unmap (
+ PciIo,
+ Trb->AdmaMap
+ );
+ }
+ if (Trb->AdmaDesc != NULL) {
+ PciIo->FreeBuffer (
+ PciIo,
+ Trb->AdmaPages,
+ Trb->AdmaDesc
+ );
+ }
+ if (Trb->DataMap != NULL) {
+ PciIo->Unmap (
+ PciIo,
+ Trb->DataMap
+ );
+ }
+ FreePool (Trb);
+ return;
+}
+
+/**
+ Check if the env is ready for execute specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The env is ready for TRB execution.
+ @retval EFI_NOT_READY The env is not ready for TRB execution.
+ @retval Others Some erros happen.
+
+**/
+EFI_STATUS
+SdMmcCheckTrbEnv (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT32 PresentState;
+
+ Packet = Trb->Packet;
+
+ if ((Packet->SdMmcCmdBlk->CommandType == SdMmcCommandTypeAdtc) ||
+ (Packet->SdMmcCmdBlk->ResponseType == SdMmcResponseTypeR1b) ||
+ (Packet->SdMmcCmdBlk->ResponseType == SdMmcResponseTypeR5b)) {
+ //
+ // Wait Command Inhibit (CMD) and Command Inhibit (DAT) in
+ // the Present State register to be 0
+ //
+ PresentState = BIT0 | BIT1;
+ } else {
+ //
+ // Wait Command Inhibit (CMD) in the Present State register
+ // to be 0
+ //
+ PresentState = BIT0;
+ }
+
+ PciIo = Private->PciIo;
+ Status = SdMmcHcCheckMmioSet (
+ PciIo,
+ Trb->Slot,
+ SD_MMC_HC_PRESENT_STATE,
+ sizeof (PresentState),
+ PresentState,
+ 0
+ );
+
+ return Status;
+}
+
+/**
+ Wait for the env to be ready for execute specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The env is ready for TRB execution.
+ @retval EFI_TIMEOUT The env is not ready for TRB execution in time.
+ @retval Others Some erros happen.
+
+**/
+EFI_STATUS
+SdMmcWaitTrbEnv (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ UINT64 Timeout;
+ BOOLEAN InfiniteWait;
+
+ //
+ // Wait Command Complete Interrupt Status bit in Normal Interrupt Status Register
+ //
+ Packet = Trb->Packet;
+ Timeout = Packet->Timeout;
+ if (Timeout == 0) {
+ InfiniteWait = TRUE;
+ } else {
+ InfiniteWait = FALSE;
+ }
+
+ while (InfiniteWait || (Timeout > 0)) {
+ //
+ // Check Trb execution result by reading Normal Interrupt Status register.
+ //
+ Status = SdMmcCheckTrbEnv (Private, Trb);
+ if (Status != EFI_NOT_READY) {
+ return Status;
+ }
+ //
+ // Stall for 1 microsecond.
+ //
+ gBS->Stall (1);
+
+ Timeout--;
+ }
+
+ return EFI_TIMEOUT;
+}
+
+/**
+ Execute the specified TRB.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is sent to host controller successfully.
+ @retval Others Some erros happen when sending this request to the host controller.
+
+**/
+EFI_STATUS
+SdMmcExecTrb (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT16 Cmd;
+ UINT16 IntStatus;
+ UINT32 Argument;
+ UINT16 BlkCount;
+ UINT16 BlkSize;
+ UINT16 TransMode;
+ UINT8 HostCtrl1;
+ UINT32 SdmaAddr;
+ UINT64 AdmaAddr;
+
+ Packet = Trb->Packet;
+ PciIo = Trb->Private->PciIo;
+ //
+ // Clear all bits in Error Interrupt Status Register
+ //
+ IntStatus = 0xFFFF;
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_ERR_INT_STS, FALSE, sizeof (IntStatus), &IntStatus);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Clear all bits in Normal Interrupt Status Register excepts for Card Removal & Card Insertion bits.
+ //
+ IntStatus = 0xFF3F;
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_NOR_INT_STS, FALSE, sizeof (IntStatus), &IntStatus);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Set Host Control 1 register DMA Select field
+ //
+ if (Trb->Mode == SdMmcAdmaMode) {
+ HostCtrl1 = BIT4;
+ Status = SdMmcHcOrMmio (PciIo, Trb->Slot, SD_MMC_HC_HOST_CTRL1, sizeof (HostCtrl1), &HostCtrl1);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ SdMmcHcLedOnOff (PciIo, Trb->Slot, TRUE);
+
+ if (Trb->Mode == SdMmcSdmaMode) {
+ if ((UINT64)(UINTN)Trb->DataPhy >= 0x100000000ul) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ SdmaAddr = (UINT32)(UINTN)Trb->DataPhy;
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_SDMA_ADDR, FALSE, sizeof (SdmaAddr), &SdmaAddr);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ } else if (Trb->Mode == SdMmcAdmaMode) {
+ AdmaAddr = (UINT64)(UINTN)Trb->AdmaDescPhy;
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_ADMA_SYS_ADDR, FALSE, sizeof (AdmaAddr), &AdmaAddr);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ }
+
+ BlkSize = Trb->BlockSize;
+ if (Trb->Mode == SdMmcSdmaMode) {
+ //
+ // Set SDMA boundary to be 512K bytes.
+ //
+ BlkSize |= 0x7000;
+ }
+
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_BLK_SIZE, FALSE, sizeof (BlkSize), &BlkSize);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ BlkCount = 0;
+ if (Trb->Mode != SdMmcNoData) {
+ //
+ // Calcuate Block Count.
+ //
+ BlkCount = (UINT16)(Trb->DataLen / Trb->BlockSize);
+ }
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_BLK_COUNT, FALSE, sizeof (BlkCount), &BlkCount);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Argument = Packet->SdMmcCmdBlk->CommandArgument;
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_ARG1, FALSE, sizeof (Argument), &Argument);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ TransMode = 0;
+ if (Trb->Mode != SdMmcNoData) {
+ if (Trb->Mode != SdMmcPioMode) {
+ TransMode |= BIT0;
+ }
+ if (Trb->Read) {
+ TransMode |= BIT4;
+ }
+ if (BlkCount > 1) {
+ TransMode |= BIT5 | BIT1;
+ }
+ //
+ // Only SD memory card needs to use AUTO CMD12 feature.
+ //
+ if (Private->Slot[Trb->Slot].CardType == SdCardType) {
+ if (BlkCount > 1) {
+ TransMode |= BIT2;
+ }
+ }
+ }
+
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_TRANS_MOD, FALSE, sizeof (TransMode), &TransMode);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Cmd = (UINT16)LShiftU64(Packet->SdMmcCmdBlk->CommandIndex, 8);
+ if (Packet->SdMmcCmdBlk->CommandType == SdMmcCommandTypeAdtc) {
+ Cmd |= BIT5;
+ }
+ //
+ // Convert ResponseType to value
+ //
+ if (Packet->SdMmcCmdBlk->CommandType != SdMmcCommandTypeBc) {
+ switch (Packet->SdMmcCmdBlk->ResponseType) {
+ case SdMmcResponseTypeR1:
+ case SdMmcResponseTypeR5:
+ case SdMmcResponseTypeR6:
+ case SdMmcResponseTypeR7:
+ Cmd |= (BIT1 | BIT3 | BIT4);
+ break;
+ case SdMmcResponseTypeR2:
+ Cmd |= (BIT0 | BIT3);
+ break;
+ case SdMmcResponseTypeR3:
+ case SdMmcResponseTypeR4:
+ Cmd |= BIT1;
+ break;
+ case SdMmcResponseTypeR1b:
+ case SdMmcResponseTypeR5b:
+ Cmd |= (BIT0 | BIT1 | BIT3 | BIT4);
+ break;
+ default:
+ ASSERT (FALSE);
+ break;
+ }
+ }
+ //
+ // Execute cmd
+ //
+ Status = SdMmcHcRwMmio (PciIo, Trb->Slot, SD_MMC_HC_COMMAND, FALSE, sizeof (Cmd), &Cmd);
+ return Status;
+}
+
+/**
+ Check the TRB execution result.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is executed successfully.
+ @retval EFI_NOT_READY The TRB is not completed for execution.
+ @retval Others Some erros happen when executing this request.
+
+**/
+EFI_STATUS
+SdMmcCheckTrbResult (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ UINT16 IntStatus;
+ UINT32 Response[4];
+ UINT32 SdmaAddr;
+ UINT8 Index;
+ UINT8 SwReset;
+ UINT32 PioLength;
+
+ SwReset = 0;
+ Packet = Trb->Packet;
+ //
+ // Check Trb execution result by reading Normal Interrupt Status register.
+ //
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_NOR_INT_STS,
+ TRUE,
+ sizeof (IntStatus),
+ &IntStatus
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Check Transfer Complete bit is set or not.
+ //
+ if ((IntStatus & BIT1) == BIT1) {
+ if ((IntStatus & BIT15) == BIT15) {
+ //
+ // Read Error Interrupt Status register to check if the error is
+ // Data Timeout Error.
+ // If yes, treat it as success as Transfer Complete has higher
+ // priority than Data Timeout Error.
+ //
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_ERR_INT_STS,
+ TRUE,
+ sizeof (IntStatus),
+ &IntStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ if ((IntStatus & BIT4) == BIT4) {
+ Status = EFI_SUCCESS;
+ } else {
+ Status = EFI_DEVICE_ERROR;
+ }
+ }
+ }
+
+ goto Done;
+ }
+ //
+ // Check if there is a error happened during cmd execution.
+ // If yes, then do error recovery procedure to follow SD Host Controller
+ // Simplified Spec 3.0 section 3.10.1.
+ //
+ if ((IntStatus & BIT15) == BIT15) {
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_ERR_INT_STS,
+ TRUE,
+ sizeof (IntStatus),
+ &IntStatus
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ if ((IntStatus & 0x0F) != 0) {
+ SwReset |= BIT1;
+ }
+ if ((IntStatus & 0xF0) != 0) {
+ SwReset |= BIT2;
+ }
+
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_SW_RST,
+ FALSE,
+ sizeof (SwReset),
+ &SwReset
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Status = SdMmcHcWaitMmioSet (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_SW_RST,
+ sizeof (SwReset),
+ 0xFF,
+ 0,
+ SD_MMC_HC_GENERIC_TIMEOUT
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+ //
+ // Check if DMA interrupt is signalled for the SDMA transfer.
+ //
+ if ((Trb->Mode == SdMmcSdmaMode) && ((IntStatus & BIT3) == BIT3)) {
+ //
+ // Clear DMA interrupt bit.
+ //
+ IntStatus = BIT3;
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_NOR_INT_STS,
+ FALSE,
+ sizeof (IntStatus),
+ &IntStatus
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ //
+ // Update SDMA Address register.
+ //
+ SdmaAddr = SD_MMC_SDMA_ROUND_UP ((UINT32)(UINTN)Trb->DataPhy, SD_MMC_SDMA_BOUNDARY);
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_SDMA_ADDR,
+ FALSE,
+ sizeof (UINT32),
+ &SdmaAddr
+ );
+ if (EFI_ERROR (Status)) {
+ goto Done;
+ }
+ Trb->DataPhy = (UINT32)(UINTN)SdmaAddr;
+ }
+
+ if ((Packet->SdMmcCmdBlk->CommandType != SdMmcCommandTypeAdtc) &&
+ (Packet->SdMmcCmdBlk->ResponseType != SdMmcResponseTypeR1b) &&
+ (Packet->SdMmcCmdBlk->ResponseType != SdMmcResponseTypeR5b)) {
+ if ((IntStatus & BIT0) == BIT0) {
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+ }
+
+ if (((Private->Slot[Trb->Slot].CardType == EmmcCardType) &&
+ (Packet->SdMmcCmdBlk->CommandIndex == EMMC_SEND_TUNING_BLOCK)) ||
+ ((Private->Slot[Trb->Slot].CardType == SdCardType) &&
+ (Packet->SdMmcCmdBlk->CommandIndex == SD_SEND_TUNING_BLOCK))) {
+ //
+ // When performing tuning procedure (Execute Tuning is set to 1) through PIO mode,
+ // wait Buffer Read Ready bit of Normal Interrupt Status Register to be 1.
+ // Refer to SD Host Controller Simplified Specification 3.0 figure 2-29 for details.
+ //
+ if ((IntStatus & BIT5) == BIT5) {
+ //
+ // Clear Buffer Read Ready interrupt at first.
+ //
+ IntStatus = BIT5;
+ SdMmcHcRwMmio (Private->PciIo, Trb->Slot, SD_MMC_HC_NOR_INT_STS, FALSE, sizeof (IntStatus), &IntStatus);
+ //
+ // Read data out from Buffer Port register
+ //
+ for (PioLength = 0; PioLength < Trb->DataLen; PioLength += 4) {
+ SdMmcHcRwMmio (Private->PciIo, Trb->Slot, SD_MMC_HC_BUF_DAT_PORT, TRUE, 4, (UINT8*)Trb->Data + PioLength);
+ }
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+ }
+
+ Status = EFI_NOT_READY;
+Done:
+ //
+ // Get response data when the cmd is executed successfully.
+ //
+ if (!EFI_ERROR (Status)) {
+ if (Packet->SdMmcCmdBlk->CommandType != SdMmcCommandTypeBc) {
+ for (Index = 0; Index < 4; Index++) {
+ Status = SdMmcHcRwMmio (
+ Private->PciIo,
+ Trb->Slot,
+ SD_MMC_HC_RESPONSE + Index * 4,
+ TRUE,
+ sizeof (UINT32),
+ &Response[Index]
+ );
+ if (EFI_ERROR (Status)) {
+ SdMmcHcLedOnOff (Private->PciIo, Trb->Slot, FALSE);
+ return Status;
+ }
+ }
+ CopyMem (Packet->SdMmcStatusBlk, Response, sizeof (Response));
+ }
+ }
+
+ if (Status != EFI_NOT_READY) {
+ SdMmcHcLedOnOff (Private->PciIo, Trb->Slot, FALSE);
+ }
+
+ return Status;
+}
+
+/**
+ Wait for the TRB execution result.
+
+ @param[in] Private A pointer to the SD_MMC_HC_PRIVATE_DATA instance.
+ @param[in] Trb The pointer to the SD_MMC_HC_TRB instance.
+
+ @retval EFI_SUCCESS The TRB is executed successfully.
+ @retval Others Some erros happen when executing this request.
+
+**/
+EFI_STATUS
+SdMmcWaitTrbResult (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN SD_MMC_HC_TRB *Trb
+ )
+{
+ EFI_STATUS Status;
+ EFI_SD_MMC_PASS_THRU_COMMAND_PACKET *Packet;
+ UINT64 Timeout;
+ BOOLEAN InfiniteWait;
+
+ Packet = Trb->Packet;
+ //
+ // Wait Command Complete Interrupt Status bit in Normal Interrupt Status Register
+ //
+ Timeout = Packet->Timeout;
+ if (Timeout == 0) {
+ InfiniteWait = TRUE;
+ } else {
+ InfiniteWait = FALSE;
+ }
+
+ while (InfiniteWait || (Timeout > 0)) {
+ //
+ // Check Trb execution result by reading Normal Interrupt Status register.
+ //
+ Status = SdMmcCheckTrbResult (Private, Trb);
+ if (Status != EFI_NOT_READY) {
+ return Status;
+ }
+ //
+ // Stall for 1 microsecond.
+ //
+ gBS->Stall (1);
+
+ Timeout--;
+ }
+
+ return EFI_TIMEOUT;
+}
+
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h new file mode 100644 index 0000000000..fb62758602 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/SdMmcPciHci.h @@ -0,0 +1,546 @@ +/** @file
+
+ Provides some data structure definitions used by the SD/MMC host controller driver.
+
+Copyright (c) 2015, 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.
+
+**/
+
+#ifndef _SD_MMC_PCI_HCI_H_
+#define _SD_MMC_PCI_HCI_H_
+
+//
+// SD Host Controller SlotInfo Register Offset
+//
+#define SD_MMC_HC_SLOT_OFFSET 0x40
+
+#define SD_MMC_HC_MAX_SLOT 6
+
+//
+// SD Host Controller MMIO Register Offset
+//
+#define SD_MMC_HC_SDMA_ADDR 0x00
+#define SD_MMC_HC_ARG2 0x00
+#define SD_MMC_HC_BLK_SIZE 0x04
+#define SD_MMC_HC_BLK_COUNT 0x06
+#define SD_MMC_HC_ARG1 0x08
+#define SD_MMC_HC_TRANS_MOD 0x0C
+#define SD_MMC_HC_COMMAND 0x0E
+#define SD_MMC_HC_RESPONSE 0x10
+#define SD_MMC_HC_BUF_DAT_PORT 0x20
+#define SD_MMC_HC_PRESENT_STATE 0x24
+#define SD_MMC_HC_HOST_CTRL1 0x28
+#define SD_MMC_HC_POWER_CTRL 0x29
+#define SD_MMC_HC_BLK_GAP_CTRL 0x2A
+#define SD_MMC_HC_WAKEUP_CTRL 0x2B
+#define SD_MMC_HC_CLOCK_CTRL 0x2C
+#define SD_MMC_HC_TIMEOUT_CTRL 0x2E
+#define SD_MMC_HC_SW_RST 0x2F
+#define SD_MMC_HC_NOR_INT_STS 0x30
+#define SD_MMC_HC_ERR_INT_STS 0x32
+#define SD_MMC_HC_NOR_INT_STS_EN 0x34
+#define SD_MMC_HC_ERR_INT_STS_EN 0x36
+#define SD_MMC_HC_NOR_INT_SIG_EN 0x38
+#define SD_MMC_HC_ERR_INT_SIG_EN 0x3A
+#define SD_MMC_HC_AUTO_CMD_ERR_STS 0x3C
+#define SD_MMC_HC_HOST_CTRL2 0x3E
+#define SD_MMC_HC_CAP 0x40
+#define SD_MMC_HC_MAX_CURRENT_CAP 0x48
+#define SD_MMC_HC_FORCE_EVT_AUTO_CMD 0x50
+#define SD_MMC_HC_FORCE_EVT_ERR_INT 0x52
+#define SD_MMC_HC_ADMA_ERR_STS 0x54
+#define SD_MMC_HC_ADMA_SYS_ADDR 0x58
+#define SD_MMC_HC_PRESET_VAL 0x60
+#define SD_MMC_HC_SHARED_BUS_CTRL 0xE0
+#define SD_MMC_HC_SLOT_INT_STS 0xFC
+#define SD_MMC_HC_CTRL_VER 0xFE
+
+//
+// The transfer modes supported by SD Host Controller
+// Simplified Spec 3.0 Table 1-2
+//
+typedef enum {
+ SdMmcNoData,
+ SdMmcPioMode,
+ SdMmcSdmaMode,
+ SdMmcAdmaMode
+} SD_MMC_HC_TRANSFER_MODE;
+
+//
+// The maximum data length of each descriptor line
+//
+#define ADMA_MAX_DATA_PER_LINE 0x10000
+
+typedef struct {
+ UINT32 Valid:1;
+ UINT32 End:1;
+ UINT32 Int:1;
+ UINT32 Reserved:1;
+ UINT32 Act:2;
+ UINT32 Reserved1:10;
+ UINT32 Length:16;
+ UINT32 Address;
+} SD_MMC_HC_ADMA_DESC_LINE;
+
+#define SD_MMC_SDMA_BOUNDARY 512 * 1024
+#define SD_MMC_SDMA_ROUND_UP(x, n) (((x) + n) & ~(n - 1))
+
+typedef struct {
+ UINT8 FirstBar:3; // bit 0:2
+ UINT8 Reserved:1; // bit 3
+ UINT8 SlotNum:3; // bit 4:6
+ UINT8 Reserved1:1; // bit 7
+} SD_MMC_HC_SLOT_INFO;
+
+typedef struct {
+ UINT32 TimeoutFreq:6; // bit 0:5
+ UINT32 Reserved:1; // bit 6
+ UINT32 TimeoutUnit:1; // bit 7
+ UINT32 BaseClkFreq:8; // bit 8:15
+ UINT32 MaxBlkLen:2; // bit 16:17
+ UINT32 BusWidth8:1; // bit 18
+ UINT32 Adma2:1; // bit 19
+ UINT32 Reserved2:1; // bit 20
+ UINT32 HighSpeed:1; // bit 21
+ UINT32 Sdma:1; // bit 22
+ UINT32 SuspRes:1; // bit 23
+ UINT32 Voltage33:1; // bit 24
+ UINT32 Voltage30:1; // bit 25
+ UINT32 Voltage18:1; // bit 26
+ UINT32 Reserved3:1; // bit 27
+ UINT32 SysBus64:1; // bit 28
+ UINT32 AsyncInt:1; // bit 29
+ UINT32 SlotType:2; // bit 30:31
+ UINT32 Sdr50:1; // bit 32
+ UINT32 Sdr104:1; // bit 33
+ UINT32 Ddr50:1; // bit 34
+ UINT32 Reserved4:1; // bit 35
+ UINT32 DriverTypeA:1; // bit 36
+ UINT32 DriverTypeC:1; // bit 37
+ UINT32 DriverTypeD:1; // bit 38
+ UINT32 DriverType4:1; // bit 39
+ UINT32 TimerCount:4; // bit 40:43
+ UINT32 Reserved5:1; // bit 44
+ UINT32 TuningSDR50:1; // bit 45
+ UINT32 RetuningMod:2; // bit 46:47
+ UINT32 ClkMultiplier:8; // bit 48:55
+ UINT32 Reserved6:7; // bit 56:62
+ UINT32 Hs400:1; // bit 63
+} SD_MMC_HC_SLOT_CAP;
+
+/**
+ Dump the content of SD/MMC host controller's Capability Register.
+
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The buffer to store the capability data.
+
+**/
+VOID
+DumpCapabilityReg (
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP *Capability
+ );
+
+/**
+ Read SlotInfo register from SD/MMC host controller pci config space.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[out] FirstBar The buffer to store the first BAR value.
+ @param[out] SlotNum The buffer to store the supported slot number.
+
+ @retval EFI_SUCCESS The operation succeeds.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcGetSlotInfo (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ OUT UINT8 *FirstBar,
+ OUT UINT8 *SlotNum
+ );
+
+/**
+ Read/Write specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Read A boolean to indicate it's read or write operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in, out] Data For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
+ to write data from. The caller is responsible for
+ having ownership of the data buffer and ensuring its
+ size not less than Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or Data is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The read/write operation succeeds.
+ @retval Others The read/write operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcRwMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN BOOLEAN Read,
+ IN UINT8 Count,
+ IN OUT VOID *Data
+ );
+
+/**
+ Do OR operation with the value of the specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in] OrData The pointer to the data used to do OR operation.
+ The caller is responsible for having ownership of
+ the data buffer and ensuring its size not less than
+ Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or OrData is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The OR operation succeeds.
+ @retval Others The OR operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcOrMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN VOID *OrData
+ );
+
+/**
+ Do AND operation with the value of the specified SD/MMC host controller mmio register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2 , 4 or 8 bytes.
+ @param[in] AndData The pointer to the data used to do AND operation.
+ The caller is responsible for having ownership of
+ the data buffer and ensuring its size not less than
+ Count bytes.
+
+ @retval EFI_INVALID_PARAMETER The PciIo or AndData is NULL or the Count is not valid.
+ @retval EFI_SUCCESS The AND operation succeeds.
+ @retval Others The AND operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcAndMmio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN VOID *AndData
+ );
+
+/**
+ Wait for the value of the specified MMIO register set to the test value.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] BarIndex The BAR index of the standard PCI Configuration
+ header to use as the base address for the memory
+ operation to perform.
+ @param[in] Offset The offset within the selected BAR to start the
+ memory operation.
+ @param[in] Count The width of the mmio register in bytes.
+ Must be 1, 2, 4 or 8 bytes.
+ @param[in] MaskValue The mask value of memory.
+ @param[in] TestValue The test value of memory.
+ @param[in] Timeout The time out value for wait memory set, uses 1
+ microsecond as a unit.
+
+ @retval EFI_TIMEOUT The MMIO register hasn't expected value in timeout
+ range.
+ @retval EFI_SUCCESS The MMIO register has expected value.
+ @retval Others The MMIO operation fails.
+
+**/
+EFI_STATUS
+EFIAPI
+SdMmcHcWaitMmioSet (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 BarIndex,
+ IN UINT32 Offset,
+ IN UINT8 Count,
+ IN UINT64 MaskValue,
+ IN UINT64 TestValue,
+ IN UINT64 Timeout
+ );
+
+/**
+ Software reset the specified SD/MMC host controller.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The software reset executes successfully.
+ @retval Others The software reset fails.
+
+**/
+EFI_STATUS
+SdMmcHcReset (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ );
+
+/**
+ Set all interrupt status bits in Normal and Error Interrupt Status Enable
+ register.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcEnableInterrupt (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ );
+
+/**
+ Get the capability data from the specified slot.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] Capability The buffer to store the capability data.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcGetCapability (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT SD_MMC_HC_SLOT_CAP *Capability
+ );
+
+/**
+ Get the maximum current capability data from the specified slot.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] MaxCurrent The buffer to store the maximum current capability data.
+
+ @retval EFI_SUCCESS The operation executes successfully.
+ @retval Others The operation fails.
+
+**/
+EFI_STATUS
+SdMmcHcGetMaxCurrent (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT UINT64 *MaxCurrent
+ );
+
+/**
+ Detect whether there is a SD/MMC card attached at the specified SD/MMC host controller
+ slot.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.1 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[out] MediaPresent The pointer to the media present boolean value.
+
+ @retval EFI_SUCCESS There is no media change happened.
+ @retval EFI_MEDIA_CHANGED There is media change happened.
+ @retval Others The detection fails.
+
+**/
+EFI_STATUS
+SdMmcHcCardDetect (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ OUT BOOLEAN *MediaPresent
+ );
+
+/**
+ Stop SD/MMC card clock.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.2.2 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS Succeed to stop SD/MMC clock.
+ @retval Others Fail to stop SD/MMC clock.
+
+**/
+EFI_STATUS
+SdMmcHcStopClock (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ );
+
+/**
+ SD/MMC card clock supply.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.2.1 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] ClockFreq The max clock frequency to be set. The unit is KHz.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+ @retval Others The clock isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcClockSupply (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT64 ClockFreq,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ );
+
+/**
+ SD/MMC bus power control.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.3 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] PowerCtrl The value setting to the power control register.
+
+ @retval TRUE There is a SD/MMC card attached.
+ @retval FALSE There is no a SD/MMC card attached.
+
+**/
+EFI_STATUS
+SdMmcHcPowerControl (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT8 PowerCtrl
+ );
+
+/**
+ Set the SD/MMC bus width.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.4 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] BusWidth The bus width used by the SD/MMC device, it must be 1, 4 or 8.
+
+ @retval EFI_SUCCESS The bus width is set successfully.
+ @retval Others The bus width isn't set successfully.
+
+**/
+EFI_STATUS
+SdMmcHcSetBusWidth (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN UINT16 BusWidth
+ );
+
+/**
+ Supply SD/MMC card with lowest clock frequency at initialization.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The clock is supplied successfully.
+ @retval Others The clock isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitClockFreq (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ );
+
+/**
+ Supply SD/MMC card with maximum voltage at initialization.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 3.3 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The voltage is supplied successfully.
+ @retval Others The voltage isn't supplied successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitPowerVoltage (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ );
+
+/**
+ Initialize the Timeout Control register with most conservative value at initialization.
+
+ Refer to SD Host Controller Simplified spec 3.0 Section 2.2.15 for details.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+
+ @retval EFI_SUCCESS The timeout control register is configured successfully.
+ @retval Others The timeout control register isn't configured successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitTimeoutCtrl (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot
+ );
+
+/**
+ Initial SD/MMC host controller with lowest clock frequency, max power and max timeout value
+ at initialization.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] Slot The slot number of the SD card to send the command to.
+ @param[in] Capability The capability of the slot.
+
+ @retval EFI_SUCCESS The host controller is initialized successfully.
+ @retval Others The host controller isn't initialized successfully.
+
+**/
+EFI_STATUS
+SdMmcHcInitHost (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN SD_MMC_HC_SLOT_CAP Capability
+ );
+
+#endif
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c new file mode 100755 index 0000000000..31f207eabf --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.c @@ -0,0 +1,665 @@ +/*******************************************************************************
+Copyright (C) 2016 Marvell International Ltd.
+
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include "XenonSdhci.h"
+
+STATIC
+VOID
+XenonReadVersion (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ OUT UINT32 *ControllerVersion
+ )
+{
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CTRL_VER, TRUE, SDHC_REG_SIZE_2B, ControllerVersion);
+}
+
+STATIC
+VOID
+XenonSetFifo (
+ IN EFI_PCI_IO_PROTOCOL *PciIo
+ )
+{
+ UINTN Data;
+
+ // Set FIFO_RTC, FIFO_WTC, FIFO_CS and FIFO_PDLVMC
+ Data = SDHC_SLOT_FIFO_DEFAULT_CONFIG;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SLOT_FIFO_CTRL, FALSE, SDHC_REG_SIZE_4B, &Data);
+}
+
+// Auto Clock Gating
+STATIC
+VOID
+XenonSetAcg (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN BOOLEAN Enable
+ )
+{
+ UINT32 Var;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SYS_OP_CTRL, TRUE, SDHC_REG_SIZE_4B, &Var);
+
+ if (Enable) {
+ Var &= ~AUTO_CLKGATE_DISABLE_MASK;
+ } else {
+ Var |= AUTO_CLKGATE_DISABLE_MASK;
+ }
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SYS_OP_CTRL, FALSE, SDHC_REG_SIZE_4B, &Var);
+}
+
+STATIC
+VOID
+XenonSetSlot (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN BOOLEAN Enable
+ )
+{
+ UINT32 Var;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SYS_OP_CTRL, TRUE, SDHC_REG_SIZE_4B, &Var);
+ if (Enable) {
+ Var |= ((0x1 << Slot) << SLOT_ENABLE_SHIFT);
+ } else {
+ Var &= ~((0x1 << Slot) << SLOT_ENABLE_SHIFT);
+ }
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SYS_OP_CTRL, FALSE, SDHC_REG_SIZE_4B, &Var);
+}
+
+//
+// Stub function, which will in future be responsible for
+// setting SDIO controller in either HIGH (if Voltage parameter
+// is equal 1) or LOW (if Voltage is equal 0)
+//
+STATIC
+VOID
+XenonSetSdio (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINTN Voltage
+ )
+{
+ // Currently SDIO isn't supported
+ return;
+}
+
+STATIC
+VOID
+XenonSetPower (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT32 Vcc,
+ IN UINT32 Vccq,
+ IN UINT8 Mode
+ )
+{
+ UINT8 Pwr = 0;
+ UINT32 Ctrl = 0;
+
+ // Below statement calls routine to set voltage for SDIO devices in either HIGH (1) or LOW (0) mode
+ switch (Vcc) {
+ case MMC_VDD_165_195:
+ Pwr = SDHCI_POWER_180;
+ if (Mode == XENON_MMC_MODE_SD_SDIO) {
+ XenonSetSdio (PciIo, 0);
+ }
+ break;
+ case MMC_VDD_29_30:
+ case MMC_VDD_30_31:
+ Pwr = SDHCI_POWER_300;
+ if (Mode == XENON_MMC_MODE_SD_SDIO) {
+ XenonSetSdio (PciIo, 1);
+ }
+ break;
+ case MMC_VDD_32_33:
+ case MMC_VDD_33_34:
+ Pwr = SDHCI_POWER_330;
+ if (Mode == XENON_MMC_MODE_SD_SDIO) {
+ XenonSetSdio (PciIo, 1);
+ }
+ break;
+ default:
+ DEBUG((DEBUG_ERROR, "SD/MMC: Does not support power mode(0x%X)\n", Vcc));
+ break;
+ }
+
+ if (Pwr == 0) {
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_POWER_CTRL, FALSE, SDHC_REG_SIZE_1B, &Pwr);
+ return;
+ }
+
+ Pwr |= SDHCI_POWER_ON;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX,SD_MMC_HC_POWER_CTRL, FALSE, SDHC_REG_SIZE_1B, &Pwr);
+
+ // Set VCCQ
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SLOT_eMMC_CTRL, TRUE, SDHC_REG_SIZE_4B, &Ctrl);
+ Ctrl |= Vccq;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SDHC_SLOT_eMMC_CTRL, FALSE, SDHC_REG_SIZE_4B, &Ctrl);
+}
+
+UINTN
+XenonSetClk (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT32 Clock
+ )
+{
+ UINT32 Div;
+ UINT32 Clk;
+ UINT32 Retry;
+ UINT16 Value = 0;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &Value);
+
+ if (Clock == 0) {
+ return 0;
+ }
+
+ if (Private->ControllerVersion >= SDHCI_SPEC_300) {
+ // Version 3.00 Divisors must be a multiple of 2
+ if (XENON_MMC_MAX_CLK <= Clock) {
+ Div = 1;
+ } else {
+ for (Div = 2; Div < SDHCI_MAX_DIV_SPEC_300; Div += 2) {
+ if ((XENON_MMC_MAX_CLK / Div) <= Clock)
+ break;
+ }
+ }
+ } else {
+ // Version 2.00 Divisors must be a power of 2
+ for (Div = 1; Div < SDHCI_MAX_DIV_SPEC_200; Div *= 2) {
+ if ((XENON_MMC_MAX_CLK / Div) <= Clock)
+ break;
+ }
+ }
+ Div >>= 1;
+
+ Clk = (Div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
+ Clk |= ((Div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN) << SDHCI_DIVIDER_HI_SHIFT;
+ Clk |= SDHCI_CLOCK_INT_EN;
+
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &Clk);
+
+ //
+ // Poll for internal controller clock to be stabilised
+ // Wait up to 200us for this to occur
+ //
+ Retry = 200;
+
+ do {
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, TRUE, SDHC_REG_SIZE_2B, &Clk);
+ if (Retry == 0) {
+ DEBUG((DEBUG_ERROR, "SD/MMC: Internal Clock never stabilised\n"));
+ return -1;
+ }
+
+ Retry--;
+
+ // Wait for internal clock to be stabilised
+ gBS->Stall (1);
+
+ } while (!(Clk & SDHCI_CLOCK_INT_STABLE));
+
+ Clk |= SDHCI_CLOCK_CARD_EN;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &Clk);
+
+ return 0;
+}
+
+VOID
+XenonPhyInit (
+ IN EFI_PCI_IO_PROTOCOL *PciIo
+ )
+{
+ UINT32 Var, Wait, Time;
+ UINT32 Clock = XENON_MMC_MAX_CLK;
+ UINT16 ClkCtrl;
+
+ // Need to disable the clock to set EMMC_PHY_TIMING_ADJUST register
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, TRUE, SDHC_REG_SIZE_2B, &ClkCtrl);
+ ClkCtrl &= ~(SDHCI_CLOCK_CARD_EN | SDHCI_CLOCK_INT_EN);
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &ClkCtrl);
+
+ // Enable QSP PHASE SELECT
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var |= SAMPL_INV_QSP_PHASE_SELECT;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ // Enable internal clock
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, TRUE, SDHC_REG_SIZE_2B, &ClkCtrl);
+ ClkCtrl |= SDHCI_CLOCK_INT_EN;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &ClkCtrl);
+
+ //
+ // Poll for host MMC PHY clock init to be stable
+ // Wait up to 100us
+ //
+ Time = 100;
+ while (Time--) {
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, TRUE, SDHC_REG_SIZE_4B, &Var);
+ if (Var & SDHCI_CLOCK_INT_STABLE) {
+ break;
+ }
+
+ // Poll interval for MMC PHY clock to be stable is 1us
+ gBS->Stall (1);
+ }
+ if (Time <= 0) {
+ DEBUG((DEBUG_ERROR, "SD/MMC: Failed to enable MMC internal clock in Time\n"));
+ return;
+ }
+
+ // Enable bus clock
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, TRUE, SDHC_REG_SIZE_2B, &ClkCtrl);
+ ClkCtrl |= SDHCI_CLOCK_CARD_EN;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_CLOCK_CTRL, FALSE, SDHC_REG_SIZE_2B, &ClkCtrl);
+
+ // Delay 200us to wait for the completion of bus clock
+ gBS->Stall (200);
+
+ // Init PHY
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var |= PHY_INITIALIZAION;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ // Add duration of FC_SYNC_RST
+ Wait = ((Var >> FC_SYNC_RST_DURATION_SHIFT) & FC_SYNC_RST_DURATION_MASK);
+
+ // Add interval between FC_SYNC_EN and FC_SYNC_RST
+ Wait += ((Var >> FC_SYNC_RST_EN_DURATION_SHIFT) & FC_SYNC_RST_EN_DURATION_MASK);
+
+ // Add duration of asserting FC_SYNC_EN
+ Wait += ((Var >> FC_SYNC_EN_DURATION_SHIFT) & FC_SYNC_EN_DURATION_MASK);
+
+ // Add duration of Waiting for PHY
+ Wait += ((Var >> WAIT_CYCLE_BEFORE_USING_SHIFT) & WAIT_CYCLE_BEFORE_USING_MASK);
+
+ // 4 addtional bus clock and 4 AXI bus clock are required left shift 20 bits
+ Wait += 8;
+ Wait <<= 20;
+
+ // Use the possibly slowest bus frequency value
+ if (Clock == 0) {
+ Clock = XENON_MMC_MIN_CLK;
+ }
+
+ // Get the Wait Time in unit of ms
+ Wait = Wait / Clock;
+ Wait++;
+
+ // Poll for host eMMC PHY init to complete, wait up to 100us
+ Time = 100;
+ while (Time--) {
+ Var = SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var &= PHY_INITIALIZAION;
+ if (!Var) {
+ break;
+ }
+
+ // Wait for host eMMC PHY init to complete
+ gBS->Stall (1);
+ }
+
+ if (Time <= 0) {
+ DEBUG((DEBUG_ERROR, "SD/MMC: Failed to init MMC PHY in Time\n"));
+ return;
+ }
+
+ return;
+}
+
+STATIC
+VOID
+XenonSetPhy (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ UINT8 Timing
+ )
+{
+ UINT32 Var = 0;
+
+ // Setup pad, set bit[30], bit[28] and bits[26:24]
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_PAD_CONTROL, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var |= (AUTO_RECEN_CTRL | OEN_QSN | FC_QSP_RECEN | FC_CMD_RECEN | FC_DQ_RECEN);
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, EMMC_PHY_PAD_CONTROL, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ //
+ // If Timing belongs to high speed, set bit[17] of
+ // EMMC_PHY_TIMING_ADJUST register
+ //
+ if ((Timing == MMC_TIMING_MMC_HS400) ||
+ (Timing == MMC_TIMING_MMC_HS200) ||
+ (Timing == MMC_TIMING_UHS_SDR50) ||
+ (Timing == MMC_TIMING_UHS_SDR104) ||
+ (Timing == MMC_TIMING_UHS_DDR50) ||
+ (Timing == MMC_TIMING_UHS_SDR25)) {
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, TRUE, SDHC_REG_SIZE_4B, &Var);
+
+ // Set SLOW_MODE for PHY
+ Var |= OUTPUT_QSN_PHASE_SELECT | QSN_PHASE_SLOW_MODE_BIT;
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_TIMING_ADJUST, FALSE, SDHC_REG_SIZE_4B, &Var);
+ }
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_FUNC_CONTROL, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var |= (DQ_DDR_MODE_MASK << DQ_DDR_MODE_SHIFT) | CMD_DDR_MODE;
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_FUNC_CONTROL, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ if (Timing == MMC_TIMING_MMC_HS400) {
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_FUNC_CONTROL, TRUE, SDHC_REG_SIZE_4B, &Var);
+ Var &= ~DQ_ASYNC_MODE;
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_PHY_FUNC_CONTROL, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ Var = LOGIC_TIMING_VALUE;
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, EMMC_LOGIC_TIMING_ADJUST, FALSE, SDHC_REG_SIZE_4B, &Var);
+ }
+
+ XenonPhyInit (PciIo);
+}
+
+STATIC
+VOID
+XenonConfigureInterrupts (
+ IN EFI_PCI_IO_PROTOCOL *PciIo
+ )
+{
+ UINT32 Var;
+
+ // Clear interrupt status
+ Var = SDHC_CLR_ALL_IRQ_MASK;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_NOR_INT_STS, FALSE, SDHC_REG_SIZE_4B, &Var);
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_NOR_INT_STS, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ // Enable only interrupts served by the SD controller
+ Var = SDHC_CLR_ALL_IRQ_MASK & ~(NOR_INT_STS_CARD_INS | NOR_INT_STS_CARD_INT);
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_NOR_INT_STS_EN, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ // Mask all sdhci interrupt sources
+ Var = SDHC_CLR_ALL_IRQ_MASK & ~NOR_INT_SIG_EN_CARD_INT;
+ SdMmcHcRwMmio (PciIo, SD_BAR_INDEX, SD_MMC_HC_NOR_INT_SIG_EN, FALSE, SDHC_REG_SIZE_4B, &Var);
+}
+
+// Enable Parallel Transfer Mode
+STATIC
+VOID
+XenonSetParallelTransfer (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN BOOLEAN Enable
+ )
+{
+ UINT32 Var;
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHC_SYS_EXT_OP_CTRL, TRUE, SDHC_REG_SIZE_4B, &Var);
+
+ if (Enable) {
+ Var |= (0x1 << Slot);
+ } else {
+ Var &= ~(0x1 << Slot);
+ }
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHC_SYS_EXT_OP_CTRL, FALSE, SDHC_REG_SIZE_4B, &Var);
+}
+
+STATIC
+VOID
+XenonSetTuning (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN UINT8 Slot,
+ IN BOOLEAN Enable
+ )
+{
+ UINT32 Var;
+
+ // Set the Re-Tuning Request functionality
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHC_SLOT_RETUNING_REQ_CTRL, TRUE, SDHC_REG_SIZE_4B, &Var);
+
+ if (Enable) {
+ Var |= RETUNING_COMPATIBLE;
+ } else {
+ Var &= ~RETUNING_COMPATIBLE;
+ }
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHC_SLOT_RETUNING_REQ_CTRL, FALSE, SDHC_REG_SIZE_4B, &Var);
+
+ // Set the Re-tuning Event Signal Enable
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHCI_SIGNAL_ENABLE, TRUE, SDHC_REG_SIZE_4B, &Var);
+
+ if (Enable) {
+ Var |= SDHCI_RETUNE_EVT_INTSIG;
+ } else {
+ Var &= ~SDHCI_RETUNE_EVT_INTSIG;
+ }
+
+ SdMmcHcRwMmio(PciIo, SD_BAR_INDEX, SDHCI_SIGNAL_ENABLE, FALSE, SDHC_REG_SIZE_4B, &Var);
+}
+
+VOID
+XenonReset (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN UINT8 Mask
+ )
+{
+ UINT32 Retry = 1000;
+ UINT8 SwReset;
+
+ SwReset = Mask;
+
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_SW_RST,
+ FALSE,
+ sizeof (SwReset),
+ &SwReset
+ );
+
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_SW_RST,
+ TRUE,
+ sizeof (SwReset),
+ &SwReset
+ );
+
+ while (SwReset & Mask) {
+ if (Retry == 0) {
+ DEBUG((DEBUG_ERROR, "SD/MMC: Reset never completed\n"));
+ return;
+ }
+
+ Retry--;
+
+ // Poll interval for SwReset is 100us according to SDHCI spec
+ gBS-> Stall (100);
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_SW_RST,
+ TRUE,
+ sizeof (SwReset),
+ &SwReset
+ );
+ }
+}
+
+STATIC
+VOID
+XenonTransferPio (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN OUT VOID *Buffer,
+ IN UINT16 BlockSize,
+ IN BOOLEAN Read
+ )
+{
+ UINTN Index;
+ UINT8 *Offs;
+
+ //
+ // SD stack's intrinsic functions cannot perform properly reading/writing from
+ // buffer register, that is why MmioRead/MmioWrite are used. It is temporary
+ // solution.
+ //
+ for (Index = 0; Index < BlockSize; Index += 4) {
+ Offs = Buffer + Index;
+ if (Read) {
+ *(UINT32 *)Offs = MmioRead32 (SDHC_DAT_BUF_PORT_ADDR);
+ } else {
+ MmioWrite32 (SDHC_DAT_BUF_PORT_ADDR, *(UINT32 *)Offs);
+ }
+ }
+}
+
+EFI_STATUS
+XenonTransferData (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN OUT VOID *Buffer,
+ IN UINT32 DataLen,
+ IN UINT16 BlockSize,
+ IN UINT16 Blocks,
+ IN BOOLEAN Read
+ )
+{
+ UINT32 IntStatus, PresentState, Rdy, Mask, Retry, Block = 0;
+
+ if (Buffer == NULL) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ Retry = SDHC_INT_STATUS_POLL_RETRY_DATA_TRAN;
+ Rdy = NOR_INT_STS_TX_RDY | NOR_INT_STS_RX_RDY;
+ Mask = PRESENT_STATE_BUFFER_RD_EN | PRESENT_STATE_BUFFER_WR_EN;
+
+ do {
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_NOR_INT_STS,
+ TRUE,
+ sizeof (IntStatus),
+ &IntStatus
+ );
+
+ if (IntStatus & NOR_INT_STS_ERR_INT) {
+ DEBUG((DEBUG_INFO, "SD/MMC: Error detected in status %0x\n", IntStatus));
+ return EFI_DEVICE_ERROR;
+ }
+
+ if (IntStatus & Rdy) {
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_PRESENT_STATE,
+ TRUE,
+ sizeof (PresentState),
+ &PresentState
+ );
+
+ if (!(PresentState & Mask)) {
+ continue;
+ }
+
+ SdMmcHcRwMmio (
+ Private->PciIo,
+ Slot,
+ SD_MMC_HC_NOR_INT_STS,
+ FALSE,
+ sizeof (Rdy),
+ &Rdy
+ );
+
+ XenonTransferPio (Private, Slot, Buffer, BlockSize, Read);
+
+ Buffer += BlockSize;
+ if (++Block >= Blocks) {
+ break;
+ }
+ }
+
+ if (Retry-- > 0) {
+
+ // Poll interval for data transfer complete bit in NOR_INT_STS register is 10us
+ gBS->Stall (10);
+ } else {
+ DEBUG((DEBUG_INFO, "SD/MMC: Transfer data timeout\n"));
+ return EFI_TIMEOUT;
+ }
+ } while (!(IntStatus & NOR_INT_STS_XFER_COMPLETE));
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+XenonInit (
+ IN SD_MMC_HC_PRIVATE_DATA *Private
+ )
+{
+ EFI_PCI_IO_PROTOCOL *PciIo = Private->PciIo;
+
+ // Read XENON version
+ XenonReadVersion (PciIo, &Private->ControllerVersion);
+
+ XenonSetFifo (PciIo);
+
+ // Disable auto clock generator
+ XenonSetAcg (PciIo, FALSE);
+
+ // XENON has only one port
+ XenonSetSlot (PciIo, XENON_MMC_SLOT_ID, TRUE);
+
+ XenonSetPower (PciIo, MMC_VDD_165_195, eMMC_VCCQ_1_8V, XENON_MMC_MODE_SD_SDIO);
+
+ // Set MAX_CLOCK for configuring PHY
+ XenonSetClk (PciIo, Private, XENON_MMC_MAX_CLK);
+ XenonSetPhy (PciIo, MMC_TIMING_UHS_SDR50);
+
+ XenonConfigureInterrupts (PciIo);
+
+ // Enable parallel transfer
+ XenonSetParallelTransfer (PciIo, XENON_MMC_SLOT_ID, TRUE);
+ XenonSetTuning (PciIo, XENON_MMC_SLOT_ID, FALSE);
+
+ // Enable auto clock generator
+ XenonSetAcg (PciIo, TRUE);
+
+ // Set proper clock for PHY configuration
+ XenonSetClk (PciIo, Private, XENON_MMC_BASE_CLK);
+ XenonPhyInit (PciIo);
+
+ return EFI_SUCCESS;
+}
diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h new file mode 100644 index 0000000000..2be0ee61e1 --- /dev/null +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/XenonSdhci.h @@ -0,0 +1,346 @@ +/*******************************************************************************
+Copyright (C) 2016 Marvell International Ltd.
+
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include "SdMmcPciHcDxe.h"
+
+#include <Library/IoLib.h>
+
+#define SD_BAR_INDEX 0
+
+#define SIZE_512B 0x200
+
+/* Register Offset of SD Host Controller SOCP self-defined register */
+
+#define SDHC_IPID 0x0100
+#define SDHC_SYS_CFG_INFO 0x0104
+#define SLOT_TYPE_SDIO_SHIFT 24
+#define SLOT_TYPE_EMMC_MASK 0xff
+#define SLOT_TYPE_EMMC_SHIFT 16
+#define SLOT_TYPE_SD_SDIO_MMC_MASK 0xff
+#define SLOT_TYPE_SD_SDIO_MMC_SHIFT 8
+
+#define SDHC_SYS_OP_CTRL 0x0108
+#define AUTO_CLKGATE_DISABLE_MASK (0x1<<20)
+#define SDCLK_IDLEOFF_ENABLE_SHIFT 8
+#define SLOT_ENABLE_SHIFT 0
+
+#define SDHC_SYS_EXT_OP_CTRL 0x010c
+#define SDHC_TEST_OUT 0x0110
+#define SDHC_TESTOUT_MUXSEL 0x0114
+
+#define SDHC_SLOT_EXT_INT_STATUS 0x0120
+#define SDHC_SLOT_EXT_ERR_STATUS 0x0122
+#define SDHC_SLOT_EXT_INT_STATUS_EN 0x0124
+#define SDHC_SLOT_EXT_ERR_STATUS_EN 0x0126
+
+#define SDHC_SLOT_OP_STATUS_CTRL 0x0128
+#define TUNING_PROG_FIXED_DELAY_MASK 0x7ff
+#define FORCE_SEL_INVERSE_CLK_SHIFT 11
+
+#define SDHC_SLOT_FIFO_CTRL 0x012c
+#define SDHC_SLOT_FIFO_DEFAULT_CONFIG 0x315
+
+#define SDHC_SLOT_eMMC_CTRL 0x0130
+#define ENABLE_DATA_STROBE_SHIFT 24
+#define SET_EMMC_RSTN_SHIFT 16
+#define eMMC_VCCQ_MASK 0x3
+#define eMMC_VCCQ_1_8V 0x1
+#define eMMC_VCCQ_1_2V 0x2
+#define eMMC_VCCQ_3_3V 0x3
+
+#define SDHC_SLOT_OUTPUT_DLY_CTRL 0x0134
+#define SDHC_SLOT_DCM_CTRL 0x0137
+
+#define SDHC_SLOT_DLL_CTRL 0x0138
+#define SELECT_DEF_DLL 0x1
+
+#define SDHC_SLOT_DLL_PHASE_SEL 0x013c
+#define DLL_UPDATE_STROBE 7
+
+#define SDHC_SLOT_STROBE_DLY_CTRL 0x0140
+#define STROBE_DELAY_FIXED_MASK 0xffff
+
+#define SDHC_SLOT_RETUNING_REQ_CTRL 0x0144
+#define RETUNING_COMPATIBLE 0x1
+
+#define SDHC_SLOT_AUTO_RETUNING_CTRL 0x0148
+#define ENABLE_AUTO_RETUNING 0x1
+
+#define SDHC_SLOT_EXT_PRESENT_STATE 0x014c
+#define SDHC_SLOT_DLL_CUR_DLY_VAL 0x0150
+#define SDHC_SLOT_TUNING_CUR_DLY_VAL 0x0154
+#define SDHC_SLOT_STROBE_CUR_DLY_VAL 0x0158
+#define SDHC_SLOT_SUB_CMD_STRL 0x015c
+
+#define SDHC_SLOT_CQ_TASK_INFO 0x0160
+
+#define SDHC_SLOT_TUNING_DEBUG_INFO 0x01f0
+#define SDHC_SLOT_DATAIN_DEBUG_INFO 0x01f4
+
+#define SDHC_CMD_RESET_BIT (1 << 1)
+#define SDHC_DATA_RESET_BIT (1 << 2)
+
+#define SDHC_CMD_INHIBIT (1 << 0)
+#define SDHC_DATA_INHIBIT (1 << 1)
+
+#define SDHC_REG_SIZE_1B 1
+#define SDHC_REG_SIZE_2B 2
+#define SDHC_REG_SIZE_4B 4
+
+#define SDHC_DAT_BUF_PORT_ADDR 0xF06E0020
+
+/* Command register bits description */
+#define RESP_TYPE_136_BITS (1 << 0)
+#define RESP_TYPE_48_BITS (1 << 1)
+#define RESP_TYPE_48_BITS_NO_CRC ((1 << 0) | (1 << 1))
+#define CMD_CRC_CHK_EN (1 << 3)
+#define CMD_INDEX_CHK_EN (1 << 4)
+#define DATA_PRESENT (1 << 5)
+
+/* Transfer mode register bits description */
+#define SDHC_TRNS_BLK_CNT_EN (1 << 1)
+#define SDHC_TRNS_MULTI_BLK_SEL (1 << 5)
+#define SDHC_TRNS_TO_HOST_DIR (1 << 4)
+
+/* Block size register bits description */
+#define BLK_SIZE_HOST_DMA_BDRY_OFFSET 12
+#define BLK_SIZE_512KB 0x7
+
+/* Int status register bits description */
+#define NOR_INT_STS_CMD_COMPLETE (1 << 0)
+#define NOR_INT_STS_XFER_COMPLETE (1 << 1)
+#define NOR_INT_STS_TX_RDY (1 << 4)
+#define NOR_INT_STS_RX_RDY (1 << 5)
+#define NOR_INT_STS_CARD_INS (1 << 6)
+#define NOR_INT_STS_CARD_INT (1 << 8)
+#define NOR_INT_STS_ERR_INT (1 << 15)
+#define ERR_INT_STS_CMD_TIMEOUT_ERR (1 << 16)
+#define ERR_INT_STS_DATA_TIMEOUT_ERR (1 << 20)
+
+#define NOR_INT_SIG_EN_CARD_INT (1 << 8)
+
+#define PRESENT_STATE_BUFFER_RD_EN (1 << 11)
+#define PRESENT_STATE_BUFFER_WR_EN (1 << 10)
+
+#define SDHC_CLR_IRQ_STS_MASK 0xFFFF
+#define SDHC_CLR_ALL_IRQ_MASK 0xFFFFFFFFUL
+
+/* Max clock in Hz */
+#define XENON_MMC_MAX_CLK 400000000
+#define XENON_MMC_CLK_RATIO 2046
+#define XENON_MMC_BASE_CLK XENON_MMC_MAX_CLK / XENON_MMC_CLK_RATIO
+#define XENON_MMC_MIN_CLK 100000
+
+#define XENON_MMC_CMD_MAX_TIMEOUT 3200
+#define XENON_MMC_CMD_DEFAULT_TIMEOUT 100
+
+/* Tuning Parameter */
+#define TMR_RETUN_NO_PRESENT 0xf
+#define XENON_MAX_TUN_COUNT 0xb
+
+#define EMMC_PHY_REG_BASE 0x170
+#define EMMC_PHY_TIMING_ADJUST EMMC_PHY_REG_BASE
+#define OUTPUT_QSN_PHASE_SELECT (1 << 17)
+#define SAMPL_INV_QSP_PHASE_SELECT (1 << 18)
+#define SAMPL_INV_QSP_PHASE_SELECT_SHIFT 18
+#define PHY_INITIALIZAION (1 << 31)
+#define WAIT_CYCLE_BEFORE_USING_MASK 0xf
+#define WAIT_CYCLE_BEFORE_USING_SHIFT 12
+#define FC_SYNC_EN_DURATION_MASK 0xf
+#define FC_SYNC_EN_DURATION_SHIFT 8
+#define FC_SYNC_RST_EN_DURATION_MASK 0xf
+#define FC_SYNC_RST_EN_DURATION_SHIFT 4
+#define FC_SYNC_RST_DURATION_MASK 0xf
+#define FC_SYNC_RST_DURATION_SHIFT 0
+
+#define EMMC_PHY_FUNC_CONTROL (EMMC_PHY_REG_BASE + 0x4)
+#define DQ_ASYNC_MODE (1 << 4)
+#define DQ_DDR_MODE_SHIFT 8
+#define DQ_DDR_MODE_MASK 0xff
+#define CMD_DDR_MODE (1 << 16)
+
+#define EMMC_PHY_PAD_CONTROL (EMMC_PHY_REG_BASE + 0x8)
+#define REC_EN_SHIFT 24
+#define REC_EN_MASK 0xf
+#define FC_DQ_RECEN (1 << 24)
+#define FC_CMD_RECEN (1 << 25)
+#define FC_QSP_RECEN (1 << 26)
+#define FC_QSN_RECEN (1 << 27)
+#define OEN_QSN (1 << 28)
+#define AUTO_RECEN_CTRL (1 << 30)
+
+#define EMMC_PHY_PAD_CONTROL1 (EMMC_PHY_REG_BASE + 0xc)
+#define EMMC_PHY_PAD_CONTROL2 (EMMC_PHY_REG_BASE + 0x10)
+#define EMMC_PHY_DLL_CONTROL (EMMC_PHY_REG_BASE + 0x14)
+#define DLL_DELAY_TEST_LOWER_SHIFT 8
+#define DLL_DELAY_TEST_LOWER_MASK 0xff
+#define DLL_BYPASS_EN 0x1
+
+#define EMMC_LOGIC_TIMING_ADJUST (EMMC_PHY_REG_BASE + 0x18)
+#define EMMC_LOGIC_TIMING_ADJUST_LOW (EMMC_PHY_REG_BASE + 0x1c)
+
+#define LOGIC_TIMING_VALUE 0x5a54 /* Recommend by HW team */
+
+#define QSN_PHASE_SLOW_MODE_BIT (1 << 29)
+
+/* XENON only have one slot 0 */
+#define XENON_MMC_SLOT_ID (0)
+
+#define MMC_TIMING_LEGACY 0
+#define MMC_TIMING_MMC_HS 1
+#define MMC_TIMING_SD_HS 2
+#define MMC_TIMING_UHS_SDR12 3
+#define MMC_TIMING_UHS_SDR25 4
+#define MMC_TIMING_UHS_SDR50 5
+#define MMC_TIMING_UHS_SDR104 6
+#define MMC_TIMING_UHS_DDR50 7
+#define MMC_TIMING_MMC_HS200 8
+#define MMC_TIMING_MMC_HS400 10
+
+/* Data time out default value 0xE: TMCLK x 227 */
+#define DATA_TIMEOUT_DEF_VAL 0xE
+
+/* Max retry count for INT status ready */
+#define SDHC_INT_STATUS_POLL_RETRY 1000
+#define SDHC_INT_STATUS_POLL_RETRY_DATA_TRAN 100000
+
+/* Take 2.5 seconds as generic time out value, 1 microsecond as unit */
+#define SD_GENERIC_TIMEOUT 2500 * 1000
+
+/* SDMA start address should allign with 0x8, align mask 0x7 */
+#define DMA_START_ADDR_ALIGN_MASK 0x7
+
+#define SDHCI_RETUNE_EVT_INTSIG 0x00001000
+
+/* MMC modes */
+#define XENON_MMC_MODE_EMMC 0
+#define XENON_MMC_MODE_SD_SDIO 1
+
+/* MMC Voltage */
+#define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */
+#define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
+#define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
+#define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
+#define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
+#define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
+#define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
+#define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
+#define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
+#define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
+#define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
+#define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
+#define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
+#define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
+#define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
+#define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
+#define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
+
+/* SDHCI FLAGS */
+#define SDHCI_POWER_ON 0x01
+#define SDHCI_POWER_180 0x0A
+#define SDHCI_POWER_300 0x0C
+#define SDHCI_POWER_330 0x0E
+
+#define SDHCI_DIVIDER_SHIFT 8
+#define SDHCI_DIVIDER_HI_SHIFT 6
+#define SDHCI_DIV_MASK 0xFF
+#define SDHCI_DIV_MASK_LEN 8
+#define SDHCI_DIV_HI_MASK 0x300
+#define SDHCI_CLOCK_CARD_EN 0x0004
+#define SDHCI_CLOCK_INT_STABLE 0x0002
+#define SDHCI_CLOCK_INT_EN 0x0001
+
+#define SDHCI_VENDOR_VER_MASK 0xFF00
+#define SDHCI_VENDOR_VER_SHIFT 8
+#define SDHCI_SPEC_VER_MASK 0x00FF
+#define SDHCI_SPEC_VER_SHIFT 0
+#define SDHCI_SPEC_100 0
+#define SDHCI_SPEC_200 1
+#define SDHCI_SPEC_300 2
+
+#define SDHCI_SIGNAL_ENABLE 0x38
+
+#define SDHCI_MAX_DIV_SPEC_200 256
+#define SDHCI_MAX_DIV_SPEC_300 2046
+
+/* SD DEVICE STATUS FLAGS */
+#define CURRENT_STATE_MASK (0xF << 9)
+#define CURRENT_STATE_N_READY_MASK (7 << 9)
+#define READY_FOR_DATA (1 << 8)
+#define CARD_STATUS_ERROR_MASK (~0x0206BF7F)
+
+#define RCA_BITS_OFFSET 16
+
+UINTN
+XenonSetClk (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT32 Clock
+ );
+
+VOID
+XenonPhyInit (
+ IN EFI_PCI_IO_PROTOCOL *PciIo
+ );
+
+VOID
+XenonReset (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN UINT8 Mask
+ );
+
+EFI_STATUS
+XenonTransferData (
+ IN SD_MMC_HC_PRIVATE_DATA *Private,
+ IN UINT8 Slot,
+ IN OUT VOID *Buffer,
+ IN UINT32 DataLen,
+ IN UINT16 BlockSize,
+ IN UINT16 Blocks,
+ IN BOOLEAN Read
+ );
+
+EFI_STATUS
+XenonInit (
+ IN SD_MMC_HC_PRIVATE_DATA *Private
+ );
+
+EFI_STATUS
+SdCardSendStatus (
+ IN EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru,
+ IN UINT8 Slot,
+ IN UINT16 Rca,
+ OUT UINT32 *DevStatus
+ );
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