| /** @file | |
| 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 "EmmcBlockIoPei.h" | |
| // | |
| // Template for EMMC HC Slot Data. | |
| // | |
| EMMC_PEIM_HC_SLOT gEmmcHcSlotTemplate = { | |
| EMMC_PEIM_SLOT_SIG, // Signature | |
| { // Media | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| }, | |
| { | |
| MSG_EMMC_DP, | |
| FALSE, | |
| TRUE, | |
| FALSE, | |
| 0x200, | |
| 0 | |
| } | |
| }, | |
| 0, // MediaNum | |
| { // PartitionType | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown, | |
| EmmcPartitionUnknown | |
| }, | |
| 0, // EmmcHcBase | |
| { // Capability | |
| 0, | |
| }, | |
| { // Csd | |
| 0, | |
| }, | |
| { // ExtCsd | |
| {0}, | |
| }, | |
| TRUE, // SectorAddressing | |
| NULL // Private | |
| }; | |
| // | |
| // Template for EMMC HC Private Data. | |
| // | |
| EMMC_PEIM_HC_PRIVATE_DATA gEmmcHcPrivateTemplate = { | |
| EMMC_PEIM_SIG, // Signature | |
| NULL, // Pool | |
| { // BlkIoPpi | |
| EmmcBlockIoPeimGetDeviceNo, | |
| EmmcBlockIoPeimGetMediaInfo, | |
| EmmcBlockIoPeimReadBlocks | |
| }, | |
| { // BlkIo2Ppi | |
| EFI_PEI_RECOVERY_BLOCK_IO2_PPI_REVISION, | |
| EmmcBlockIoPeimGetDeviceNo2, | |
| EmmcBlockIoPeimGetMediaInfo2, | |
| EmmcBlockIoPeimReadBlocks2 | |
| }, | |
| { // BlkIoPpiList | |
| EFI_PEI_PPI_DESCRIPTOR_PPI, | |
| &gEfiPeiVirtualBlockIoPpiGuid, | |
| NULL | |
| }, | |
| { // BlkIo2PpiList | |
| EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, | |
| &gEfiPeiVirtualBlockIo2PpiGuid, | |
| NULL | |
| }, | |
| { // Slot | |
| { | |
| 0, | |
| }, | |
| { | |
| 0, | |
| }, | |
| { | |
| 0, | |
| }, | |
| { | |
| 0, | |
| }, | |
| { | |
| 0, | |
| }, | |
| { | |
| 0, | |
| } | |
| }, | |
| 0, // SlotNum | |
| 0 // TotalBlkIoDevices | |
| }; | |
| /** | |
| Gets the count of block I/O devices that one specific block driver detects. | |
| This function is used for getting the count of block I/O devices that one | |
| specific block driver detects. To the PEI ATAPI driver, it returns the number | |
| of all the detected ATAPI devices it detects during the enumeration process. | |
| To the PEI legacy floppy driver, it returns the number of all the legacy | |
| devices it finds during its enumeration process. If no device is detected, | |
| then the function will return zero. | |
| @param[in] PeiServices General-purpose services that are available | |
| to every PEIM. | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI | |
| instance. | |
| @param[out] NumberBlockDevices The number of block I/O devices discovered. | |
| @retval EFI_SUCCESS The operation performed successfully. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimGetDeviceNo ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This, | |
| OUT UINTN *NumberBlockDevices | |
| ) | |
| { | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS (This); | |
| *NumberBlockDevices = Private->TotalBlkIoDevices; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Gets a block device's media information. | |
| This function will provide the caller with the specified block device's media | |
| information. If the media changes, calling this function will update the media | |
| information accordingly. | |
| @param[in] PeiServices General-purpose services that are available to every | |
| PEIM | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance. | |
| @param[in] DeviceIndex Specifies the block device to which the function wants | |
| to talk. Because the driver that implements Block I/O | |
| PPIs will manage multiple block devices, the PPIs that | |
| want to talk to a single device must specify the | |
| device index that was assigned during the enumeration | |
| process. This index is a number from one to | |
| NumberBlockDevices. | |
| @param[out] MediaInfo The media information of the specified block media. | |
| The caller is responsible for the ownership of this | |
| data structure. | |
| @par Note: | |
| The MediaInfo structure describes an enumeration of possible block device | |
| types. This enumeration exists because no device paths are actually passed | |
| across interfaces that describe the type or class of hardware that is publishing | |
| the block I/O interface. This enumeration will allow for policy decisions | |
| in the Recovery PEIM, such as "Try to recover from legacy floppy first, | |
| LS-120 second, CD-ROM third." If there are multiple partitions abstracted | |
| by a given device type, they should be reported in ascending order; this | |
| order also applies to nested partitions, such as legacy MBR, where the | |
| outermost partitions would have precedence in the reporting order. The | |
| same logic applies to systems such as IDE that have precedence relationships | |
| like "Master/Slave" or "Primary/Secondary". The master device should be | |
| reported first, the slave second. | |
| @retval EFI_SUCCESS Media information about the specified block device | |
| was obtained successfully. | |
| @retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware | |
| error. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimGetMediaInfo ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This, | |
| IN UINTN DeviceIndex, | |
| OUT EFI_PEI_BLOCK_IO_MEDIA *MediaInfo | |
| ) | |
| { | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| UINT8 SlotNum; | |
| UINT8 MediaNum; | |
| UINT8 Location; | |
| BOOLEAN Found; | |
| Found = FALSE; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS (This); | |
| if ((DeviceIndex == 0) || (DeviceIndex > Private->TotalBlkIoDevices)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| Location = 0; | |
| MediaNum = 0; | |
| for (SlotNum = 0; SlotNum < Private->SlotNum; SlotNum++) { | |
| for (MediaNum = 0; MediaNum < Private->Slot[SlotNum].MediaNum; MediaNum++) { | |
| Location ++; | |
| if (Location == DeviceIndex) { | |
| Found = TRUE; | |
| break; | |
| } | |
| } | |
| if (Found) { | |
| break; | |
| } | |
| } | |
| MediaInfo->DeviceType = EMMC; | |
| MediaInfo->MediaPresent = TRUE; | |
| MediaInfo->LastBlock = (UINTN)Private->Slot[SlotNum].Media[MediaNum].LastBlock; | |
| MediaInfo->BlockSize = Private->Slot[SlotNum].Media[MediaNum].BlockSize; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Reads the requested number of blocks from the specified block device. | |
| The function reads the requested number of blocks from the device. All the | |
| blocks are read, or an error is returned. If there is no media in the device, | |
| the function returns EFI_NO_MEDIA. | |
| @param[in] PeiServices General-purpose services that are available to | |
| every PEIM. | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance. | |
| @param[in] DeviceIndex Specifies the block device to which the function wants | |
| to talk. Because the driver that implements Block I/O | |
| PPIs will manage multiple block devices, PPIs that | |
| want to talk to a single device must specify the device | |
| index that was assigned during the enumeration process. | |
| This index is a number from one to NumberBlockDevices. | |
| @param[in] StartLBA The starting logical block address (LBA) to read from | |
| on the device | |
| @param[in] BufferSize The size of the Buffer in bytes. This number must be | |
| a multiple of the intrinsic block size of the device. | |
| @param[out] Buffer A pointer to the destination buffer for the data. | |
| The caller is responsible for the ownership of the | |
| buffer. | |
| @retval EFI_SUCCESS The data was read correctly from the device. | |
| @retval EFI_DEVICE_ERROR The device reported an error while attempting | |
| to perform the read operation. | |
| @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not | |
| valid, or the buffer is not properly aligned. | |
| @retval EFI_NO_MEDIA There is no media in the device. | |
| @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of | |
| the intrinsic block size of the device. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimReadBlocks ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This, | |
| IN UINTN DeviceIndex, | |
| IN EFI_PEI_LBA StartLBA, | |
| IN UINTN BufferSize, | |
| OUT VOID *Buffer | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| UINT32 BlockSize; | |
| UINTN NumberOfBlocks; | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| UINT8 SlotNum; | |
| UINT8 MediaNum; | |
| UINT8 Location; | |
| UINT8 PartitionConfig; | |
| UINTN Remaining; | |
| UINT32 MaxBlock; | |
| BOOLEAN Found; | |
| Status = EFI_SUCCESS; | |
| Found = FALSE; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS (This); | |
| // | |
| // Check parameters | |
| // | |
| if (Buffer == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| if (BufferSize == 0) { | |
| return EFI_SUCCESS; | |
| } | |
| if ((DeviceIndex == 0) || (DeviceIndex > Private->TotalBlkIoDevices)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| Location = 0; | |
| MediaNum = 0; | |
| for (SlotNum = 0; SlotNum < Private->SlotNum; SlotNum++) { | |
| for (MediaNum = 0; MediaNum < Private->Slot[SlotNum].MediaNum; MediaNum++) { | |
| Location ++; | |
| if (Location == DeviceIndex) { | |
| Found = TRUE; | |
| break; | |
| } | |
| } | |
| if (Found) { | |
| break; | |
| } | |
| } | |
| BlockSize = Private->Slot[SlotNum].Media[MediaNum].BlockSize; | |
| if (BufferSize % BlockSize != 0) { | |
| return EFI_BAD_BUFFER_SIZE; | |
| } | |
| if (StartLBA > Private->Slot[SlotNum].Media[MediaNum].LastBlock) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| NumberOfBlocks = BufferSize / BlockSize; | |
| // | |
| // Check if needs to switch partition access. | |
| // | |
| PartitionConfig = Private->Slot[SlotNum].ExtCsd.PartitionConfig; | |
| if ((PartitionConfig & 0x7) != Private->Slot[SlotNum].PartitionType[MediaNum]) { | |
| PartitionConfig &= (UINT8)~0x7; | |
| PartitionConfig |= Private->Slot[SlotNum].PartitionType[MediaNum]; | |
| Status = EmmcPeimSwitch ( | |
| &Private->Slot[SlotNum], | |
| 0x3, | |
| OFFSET_OF (EMMC_EXT_CSD, PartitionConfig), | |
| PartitionConfig, | |
| 0x0 | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Private->Slot[SlotNum].ExtCsd.PartitionConfig = PartitionConfig; | |
| } | |
| // | |
| // Start to execute data transfer. The max block number in single cmd is 65535 blocks. | |
| // | |
| Remaining = NumberOfBlocks; | |
| MaxBlock = 0xFFFF; | |
| while (Remaining > 0) { | |
| if (Remaining <= MaxBlock) { | |
| NumberOfBlocks = Remaining; | |
| } else { | |
| NumberOfBlocks = MaxBlock; | |
| } | |
| Status = EmmcPeimSetBlkCount (&Private->Slot[SlotNum], (UINT16)NumberOfBlocks); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| BufferSize = NumberOfBlocks * BlockSize; | |
| Status = EmmcPeimRwMultiBlocks (&Private->Slot[SlotNum], StartLBA, BlockSize, Buffer, BufferSize, TRUE); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| StartLBA += NumberOfBlocks; | |
| Buffer = (UINT8*)Buffer + BufferSize; | |
| Remaining -= NumberOfBlocks; | |
| } | |
| return Status; | |
| } | |
| /** | |
| Gets the count of block I/O devices that one specific block driver detects. | |
| This function is used for getting the count of block I/O devices that one | |
| specific block driver detects. To the PEI ATAPI driver, it returns the number | |
| of all the detected ATAPI devices it detects during the enumeration process. | |
| To the PEI legacy floppy driver, it returns the number of all the legacy | |
| devices it finds during its enumeration process. If no device is detected, | |
| then the function will return zero. | |
| @param[in] PeiServices General-purpose services that are available | |
| to every PEIM. | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI | |
| instance. | |
| @param[out] NumberBlockDevices The number of block I/O devices discovered. | |
| @retval EFI_SUCCESS The operation performed successfully. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimGetDeviceNo2 ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This, | |
| OUT UINTN *NumberBlockDevices | |
| ) | |
| { | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This); | |
| *NumberBlockDevices = Private->TotalBlkIoDevices; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Gets a block device's media information. | |
| This function will provide the caller with the specified block device's media | |
| information. If the media changes, calling this function will update the media | |
| information accordingly. | |
| @param[in] PeiServices General-purpose services that are available to every | |
| PEIM | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance. | |
| @param[in] DeviceIndex Specifies the block device to which the function wants | |
| to talk. Because the driver that implements Block I/O | |
| PPIs will manage multiple block devices, the PPIs that | |
| want to talk to a single device must specify the | |
| device index that was assigned during the enumeration | |
| process. This index is a number from one to | |
| NumberBlockDevices. | |
| @param[out] MediaInfo The media information of the specified block media. | |
| The caller is responsible for the ownership of this | |
| data structure. | |
| @par Note: | |
| The MediaInfo structure describes an enumeration of possible block device | |
| types. This enumeration exists because no device paths are actually passed | |
| across interfaces that describe the type or class of hardware that is publishing | |
| the block I/O interface. This enumeration will allow for policy decisions | |
| in the Recovery PEIM, such as "Try to recover from legacy floppy first, | |
| LS-120 second, CD-ROM third." If there are multiple partitions abstracted | |
| by a given device type, they should be reported in ascending order; this | |
| order also applies to nested partitions, such as legacy MBR, where the | |
| outermost partitions would have precedence in the reporting order. The | |
| same logic applies to systems such as IDE that have precedence relationships | |
| like "Master/Slave" or "Primary/Secondary". The master device should be | |
| reported first, the slave second. | |
| @retval EFI_SUCCESS Media information about the specified block device | |
| was obtained successfully. | |
| @retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware | |
| error. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimGetMediaInfo2 ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This, | |
| IN UINTN DeviceIndex, | |
| OUT EFI_PEI_BLOCK_IO2_MEDIA *MediaInfo | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| EFI_PEI_BLOCK_IO_MEDIA Media; | |
| UINT8 SlotNum; | |
| UINT8 MediaNum; | |
| UINT8 Location; | |
| BOOLEAN Found; | |
| Found = FALSE; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This); | |
| Status = EmmcBlockIoPeimGetMediaInfo ( | |
| PeiServices, | |
| &Private->BlkIoPpi, | |
| DeviceIndex, | |
| &Media | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Location = 0; | |
| MediaNum = 0; | |
| for (SlotNum = 0; SlotNum < Private->SlotNum; SlotNum++) { | |
| for (MediaNum = 0; MediaNum < Private->Slot[SlotNum].MediaNum; MediaNum++) { | |
| Location ++; | |
| if (Location == DeviceIndex) { | |
| Found = TRUE; | |
| break; | |
| } | |
| } | |
| if (Found) { | |
| break; | |
| } | |
| } | |
| CopyMem (MediaInfo, &(Private->Slot[SlotNum].Media[MediaNum]), sizeof (EFI_PEI_BLOCK_IO2_MEDIA)); | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Reads the requested number of blocks from the specified block device. | |
| The function reads the requested number of blocks from the device. All the | |
| blocks are read, or an error is returned. If there is no media in the device, | |
| the function returns EFI_NO_MEDIA. | |
| @param[in] PeiServices General-purpose services that are available to | |
| every PEIM. | |
| @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance. | |
| @param[in] DeviceIndex Specifies the block device to which the function wants | |
| to talk. Because the driver that implements Block I/O | |
| PPIs will manage multiple block devices, PPIs that | |
| want to talk to a single device must specify the device | |
| index that was assigned during the enumeration process. | |
| This index is a number from one to NumberBlockDevices. | |
| @param[in] StartLBA The starting logical block address (LBA) to read from | |
| on the device | |
| @param[in] BufferSize The size of the Buffer in bytes. This number must be | |
| a multiple of the intrinsic block size of the device. | |
| @param[out] Buffer A pointer to the destination buffer for the data. | |
| The caller is responsible for the ownership of the | |
| buffer. | |
| @retval EFI_SUCCESS The data was read correctly from the device. | |
| @retval EFI_DEVICE_ERROR The device reported an error while attempting | |
| to perform the read operation. | |
| @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not | |
| valid, or the buffer is not properly aligned. | |
| @retval EFI_NO_MEDIA There is no media in the device. | |
| @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of | |
| the intrinsic block size of the device. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| EmmcBlockIoPeimReadBlocks2 ( | |
| IN EFI_PEI_SERVICES **PeiServices, | |
| IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This, | |
| IN UINTN DeviceIndex, | |
| IN EFI_PEI_LBA StartLBA, | |
| IN UINTN BufferSize, | |
| OUT VOID *Buffer | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| Status = EFI_SUCCESS; | |
| Private = GET_EMMC_PEIM_HC_PRIVATE_DATA_FROM_THIS2 (This); | |
| Status = EmmcBlockIoPeimReadBlocks ( | |
| PeiServices, | |
| &Private->BlkIoPpi, | |
| DeviceIndex, | |
| StartLBA, | |
| BufferSize, | |
| Buffer | |
| ); | |
| return Status; | |
| } | |
| /** | |
| The user code starts with this function. | |
| @param FileHandle Handle of the file being invoked. | |
| @param PeiServices Describes the list of possible PEI Services. | |
| @retval EFI_SUCCESS The driver is successfully initialized. | |
| @retval Others Can't initialize the driver. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| InitializeEmmcBlockIoPeim ( | |
| IN EFI_PEI_FILE_HANDLE FileHandle, | |
| IN CONST EFI_PEI_SERVICES **PeiServices | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EMMC_PEIM_HC_PRIVATE_DATA *Private; | |
| EDKII_SD_MMC_HOST_CONTROLLER_PPI *SdMmcHcPpi; | |
| UINT32 Index; | |
| UINT32 PartitionIndex; | |
| UINTN *MmioBase; | |
| UINT8 BarNum; | |
| UINT8 SlotNum; | |
| UINT8 MediaNum; | |
| UINT8 Controller; | |
| UINT64 Capacity; | |
| EMMC_EXT_CSD *ExtCsd; | |
| EMMC_HC_SLOT_CAP Capability; | |
| EMMC_PEIM_HC_SLOT *Slot; | |
| UINT32 SecCount; | |
| UINT32 GpSizeMult; | |
| // | |
| // Shadow this PEIM to run from memory | |
| // | |
| if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) { | |
| return EFI_SUCCESS; | |
| } | |
| // | |
| // locate Emmc host controller PPI | |
| // | |
| Status = PeiServicesLocatePpi ( | |
| &gEdkiiPeiSdMmcHostControllerPpiGuid, | |
| 0, | |
| NULL, | |
| (VOID **) &SdMmcHcPpi | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_DEVICE_ERROR; | |
| } | |
| Controller = 0; | |
| MmioBase = NULL; | |
| while (TRUE) { | |
| Status = SdMmcHcPpi->GetSdMmcHcMmioBar (SdMmcHcPpi, Controller, &MmioBase, &BarNum); | |
| // | |
| // When status is error, meant no controller is found | |
| // | |
| if (EFI_ERROR (Status)) { | |
| break; | |
| } | |
| if (BarNum == 0) { | |
| Controller++; | |
| continue; | |
| } | |
| Private = AllocateCopyPool (sizeof (EMMC_PEIM_HC_PRIVATE_DATA), &gEmmcHcPrivateTemplate); | |
| if (Private == NULL) { | |
| Status = EFI_OUT_OF_RESOURCES; | |
| break; | |
| } | |
| Private->BlkIoPpiList.Ppi = (VOID*)&Private->BlkIoPpi; | |
| Private->BlkIo2PpiList.Ppi = (VOID*)&Private->BlkIo2Ppi; | |
| // | |
| // Initialize the memory pool which will be used in all transactions. | |
| // | |
| Status = EmmcPeimInitMemPool (Private); | |
| if (EFI_ERROR (Status)) { | |
| Status = EFI_OUT_OF_RESOURCES; | |
| break; | |
| } | |
| for (Index = 0; Index < BarNum; Index++) { | |
| Status = EmmcPeimHcGetCapability (MmioBase[Index], &Capability); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| if (Capability.SlotType != 0x1) { | |
| DEBUG ((EFI_D_INFO, "The slot at 0x%x is not embedded slot type\n", MmioBase[Index])); | |
| Status = EFI_UNSUPPORTED; | |
| continue; | |
| } | |
| Status = EmmcPeimHcReset (MmioBase[Index]); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| Status = EmmcPeimHcCardDetect (MmioBase[Index]); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| Status = EmmcPeimHcInitHost (MmioBase[Index]); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| SlotNum = Private->SlotNum; | |
| Slot = &Private->Slot[SlotNum]; | |
| CopyMem (Slot, &gEmmcHcSlotTemplate, sizeof (EMMC_PEIM_HC_SLOT)); | |
| Slot->Private = Private; | |
| Slot->EmmcHcBase = MmioBase[Index]; | |
| CopyMem (&Slot->Capability, &Capability, sizeof (Capability)); | |
| Status = EmmcPeimIdentification (Slot); | |
| if (EFI_ERROR (Status)) { | |
| continue; | |
| } | |
| ExtCsd = &Slot->ExtCsd; | |
| if (ExtCsd->ExtCsdRev < 5) { | |
| DEBUG ((EFI_D_ERROR, "The EMMC device version is too low, we don't support!!!\n")); | |
| Status = EFI_UNSUPPORTED; | |
| continue; | |
| } | |
| if ((ExtCsd->PartitioningSupport & BIT0) != BIT0) { | |
| DEBUG ((EFI_D_ERROR, "The EMMC device doesn't support Partition Feature!!!\n")); | |
| Status = EFI_UNSUPPORTED; | |
| continue; | |
| } | |
| for (PartitionIndex = 0; PartitionIndex < EMMC_PEIM_MAX_PARTITIONS; PartitionIndex++) { | |
| switch (PartitionIndex) { | |
| case EmmcPartitionUserData: | |
| SecCount = *(UINT32*)&ExtCsd->SecCount; | |
| Capacity = MultU64x32 ((UINT64)SecCount, 0x200); | |
| break; | |
| case EmmcPartitionBoot1: | |
| case EmmcPartitionBoot2: | |
| Capacity = ExtCsd->BootSizeMult * SIZE_128KB; | |
| break; | |
| case EmmcPartitionRPMB: | |
| Capacity = ExtCsd->RpmbSizeMult * SIZE_128KB; | |
| break; | |
| case EmmcPartitionGP1: | |
| GpSizeMult = (ExtCsd->GpSizeMult[0] | (ExtCsd->GpSizeMult[1] << 8) | (ExtCsd->GpSizeMult[2] << 16)); | |
| Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB); | |
| break; | |
| case EmmcPartitionGP2: | |
| GpSizeMult = (ExtCsd->GpSizeMult[3] | (ExtCsd->GpSizeMult[4] << 8) | (ExtCsd->GpSizeMult[5] << 16)); | |
| Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB); | |
| break; | |
| case EmmcPartitionGP3: | |
| GpSizeMult = (ExtCsd->GpSizeMult[6] | (ExtCsd->GpSizeMult[7] << 8) | (ExtCsd->GpSizeMult[8] << 16)); | |
| Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB); | |
| break; | |
| case EmmcPartitionGP4: | |
| GpSizeMult = (ExtCsd->GpSizeMult[9] | (ExtCsd->GpSizeMult[10] << 8) | (ExtCsd->GpSizeMult[11] << 16)); | |
| Capacity = MultU64x32 (MultU64x32 (MultU64x32 ((UINT64)GpSizeMult, ExtCsd->HcWpGrpSize), ExtCsd->HcEraseGrpSize), SIZE_512KB); | |
| break; | |
| default: | |
| ASSERT (FALSE); | |
| continue; | |
| } | |
| MediaNum = Slot->MediaNum; | |
| if (Capacity != 0) { | |
| Slot->Media[MediaNum].LastBlock = DivU64x32 (Capacity, Slot->Media[MediaNum].BlockSize) - 1; | |
| Slot->PartitionType[MediaNum] = PartitionIndex; | |
| Private->TotalBlkIoDevices++; | |
| Slot->MediaNum++; | |
| } | |
| } | |
| Private->SlotNum++; | |
| } | |
| Controller++; | |
| if (!EFI_ERROR (Status)) { | |
| PeiServicesInstallPpi (&Private->BlkIoPpiList); | |
| } | |
| } | |
| return EFI_SUCCESS; | |
| } |