diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/UfsPciHcPei/UfsPciHcPei.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/UfsPciHcPei/UfsPciHcPei.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/MdeModulePkg/Bus/Pci/UfsPciHcPei/UfsPciHcPei.c b/MdeModulePkg/Bus/Pci/UfsPciHcPei/UfsPciHcPei.c deleted file mode 100644 index 36325641e7..0000000000 --- a/MdeModulePkg/Bus/Pci/UfsPciHcPei/UfsPciHcPei.c +++ /dev/null @@ -1,152 +0,0 @@ -/** @file
- UfsPciHcPei driver is used to provide platform-dependent info, mainly UFS host controller
- MMIO base, to upper layer UFS drivers.
-
- Copyright (c) 2014, 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 "UfsPciHcPei.h"
-
-EDKII_UFS_HOST_CONTROLLER_PPI mUfsHostControllerPpi = { GetUfsHcMmioBar };
-
-EFI_PEI_PPI_DESCRIPTOR mPpiList = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEdkiiPeiUfsHostControllerPpiGuid,
- &mUfsHostControllerPpi
-};
-
-/**
- Get the MMIO base address of UFS host controller.
-
- @param[in] This The protocol instance pointer.
- @param[in] ControllerId The ID of the UFS host controller.
- @param[out] MmioBar Pointer to the UFS host controller MMIO base address.
-
- @retval EFI_SUCCESS The operation succeeds.
- @retval EFI_INVALID_PARAMETER The parameters are invalid.
-
-**/
-EFI_STATUS
-EFIAPI
-GetUfsHcMmioBar (
- IN EDKII_UFS_HOST_CONTROLLER_PPI *This,
- IN UINT8 ControllerId,
- OUT UINTN *MmioBar
- )
-{
- UFS_HC_PEI_PRIVATE_DATA *Private;
-
- if ((This == NULL) || (MmioBar == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- Private = UFS_HC_PEI_PRIVATE_DATA_FROM_THIS (This);
-
- if (ControllerId >= Private->TotalUfsHcs) {
- return EFI_INVALID_PARAMETER;
- }
-
- *MmioBar = (UINTN)Private->UfsHcPciAddr[ControllerId];
-
- return EFI_SUCCESS;
-}
-
-/**
- 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
-InitializeUfsHcPeim (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- EFI_BOOT_MODE BootMode;
- EFI_STATUS Status;
- UINT16 Bus;
- UINT16 Device;
- UINT16 Function;
- UINT32 Size;
- UINT8 SubClass;
- UINT8 BaseClass;
- UFS_HC_PEI_PRIVATE_DATA *Private;
-
- //
- // Shadow this PEIM to run from memory
- //
- if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {
- return EFI_SUCCESS;
- }
-
- Status = PeiServicesGetBootMode (&BootMode);
- ///
- /// We do not export this in S3 boot path, because it is only for recovery.
- ///
- if (BootMode == BOOT_ON_S3_RESUME) {
- return EFI_SUCCESS;
- }
-
- Private = (UFS_HC_PEI_PRIVATE_DATA *) AllocateZeroPool (sizeof (UFS_HC_PEI_PRIVATE_DATA));
- if (Private == NULL) {
- DEBUG ((EFI_D_ERROR, "Failed to allocate memory for UFS_HC_PEI_PRIVATE_DATA! \n"));
- return EFI_OUT_OF_RESOURCES;
- }
-
- Private->Signature = UFS_HC_PEI_SIGNATURE;
- Private->UfsHostControllerPpi = mUfsHostControllerPpi;
- Private->PpiList = mPpiList;
- Private->PpiList.Ppi = &Private->UfsHostControllerPpi;
-
- for (Bus = 0; Bus < 256; Bus++) {
- for (Device = 0; Device < 32; Device++) {
- for (Function = 0; Function < 8; Function++) {
- SubClass = PciRead8 (PCI_LIB_ADDRESS (Bus, Device, Function, 0x0A));
- BaseClass = PciRead8 (PCI_LIB_ADDRESS (Bus, Device, Function, 0x0B));
-
- if ((SubClass == 0x09) && (BaseClass == PCI_CLASS_MASS_STORAGE)) {
- //
- // Get the Ufs Pci host controller's MMIO region size.
- //
- PciAnd16 (PCI_LIB_ADDRESS (Bus, Device, Function, PCI_COMMAND_OFFSET), (UINT16)~(EFI_PCI_COMMAND_BUS_MASTER | EFI_PCI_COMMAND_MEMORY_SPACE));
- PciWrite32 (PCI_LIB_ADDRESS (Bus, Device, Function, PCI_BASE_ADDRESSREG_OFFSET), 0xFFFFFFFF);
- Size = PciRead32 (PCI_LIB_ADDRESS (Bus, Device, Function, PCI_BASE_ADDRESSREG_OFFSET));
- //
- // Assign resource to the Ufs Pci host controller's MMIO BAR.
- // Enable the Ufs Pci host controller by setting BME and MSE bits of PCI_CMD register.
- //
- PciWrite32 (PCI_LIB_ADDRESS (Bus, Device, Function, PCI_BASE_ADDRESSREG_OFFSET), (UINT32)(PcdGet32 (PcdUfsPciHostControllerMmioBase) + Size * Private->TotalUfsHcs));
- PciOr16 (PCI_LIB_ADDRESS (Bus, Device, Function, PCI_COMMAND_OFFSET), (EFI_PCI_COMMAND_BUS_MASTER | EFI_PCI_COMMAND_MEMORY_SPACE));
- //
- // Record the allocated Mmio base address.
- //
- Private->UfsHcPciAddr[Private->TotalUfsHcs] = PcdGet32 (PcdUfsPciHostControllerMmioBase) + Size * Private->TotalUfsHcs;
- Private->TotalUfsHcs++;
- ASSERT (Private->TotalUfsHcs < MAX_UFS_HCS);
- }
- }
- }
- }
-
- ///
- /// Install Ufs Host Controller PPI
- ///
- Status = PeiServicesInstallPpi (&Private->PpiList);
-
- ASSERT_EFI_ERROR (Status);
- return Status;
-}
|