[edk2-devel] [PATCH v1 5/6] MdeModulePkg: SpiHc: SpiHc Drivers

["Chesley, Brit via groups.io" <brit.chesley=amd.com@groups.io>]

From: Brit Chesley <brit.chesley@amd.com>

Added SpiHc DXE and SMM drivers. This code receives bus transactions
from the SpiBus layer and passes them onto the SpiHcPlatformLib

Platform Initialization Spec 1.7 volume 5 section 18.1.7

Bugzilla #4753

Cc: Abner Chang <abner.chang@amd.com>
Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
Signed-off-by: Brit Chesley <brit.chesley@amd.com>
---
 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf |  47 ++++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf |  45 +++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h      | 117 ++++++++++++++++++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c      | 115 +++++++++++++++++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c   | 101 ++++++++++++++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c   |  79 ++++++++++++++++
 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni    |  10 ++
 7 files changed, 514 insertions(+)
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c
 create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni

diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf
new file mode 100644
index 000000000000..b71f1535cd46
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf
@@ -0,0 +1,47 @@
+## @file
+#  The SPI Host Controller Module DXE driver INF file
+#
+#  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION               = 1.27
+  BASE_NAME                 = SpiHcDxe
+  FILE_GUID                 = 95D148FF-5A23-43B9-9FC4-80AE0DD48D32
+  MODULE_TYPE               = DXE_DRIVER
+  VERSION_STRING            = 0.1
+  PI_SPECIFICATION_VERSION  = 0x0001000A
+  ENTRY_POINT               = SpiHcProtocolEntry
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  DebugLib
+  DevicePathLib
+  MemoryAllocationLib
+  SpiHcPlatformLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  UefiLib
+  UefiRuntimeServicesTableLib
+
+[Sources]
+  SpiHc.h
+  SpiHc.c
+  SpiHcDxe.c
+
+[Protocols]
+  gEfiSpiHcProtocolGuid
+
+[Depex]
+  TRUE
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  SpiHc.uni
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf
new file mode 100644
index 000000000000..95d5466d904b
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf
@@ -0,0 +1,45 @@
+## @file
+#  The SPI Host Controller Module SMM driver INF file
+#
+#  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION               = 1.27
+  BASE_NAME                 = SpiHcSmm
+  FILE_GUID                 = 0CDAE298-CB3B-480A-BDC4-A6840FFE1F5E
+  MODULE_TYPE               = DXE_SMM_DRIVER
+  VERSION_STRING            = 0.1
+  PI_SPECIFICATION_VERSION  = 0x0001000A
+  ENTRY_POINT               = SpiHcProtocolEntry
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  DebugLib
+  MemoryAllocationLib
+  MmServicesTableLib
+  SpiHcPlatformLib
+  UefiDriverEntryPoint
+  UefiLib
+
+[Sources]
+  SpiHc.h
+  SpiHc.c
+  SpiHcSmm.c
+
+[Protocols]
+  gEfiSpiSmmHcProtocolGuid
+
+[Depex]
+  TRUE
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  SpiHc.uni
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h
new file mode 100644
index 000000000000..c6e4c5893d53
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h
@@ -0,0 +1,117 @@
+/** @file
+
+  SPI Host Controller function declarations
+
+  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SPI_HC_H_
+#define SPI_HC_H_
+
+#include <PiDxe.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Protocol/SpiHc.h>
+#include <Library/SpiHcPlatformLib.h>
+
+/**
+  Assert or deassert the SPI chip select.
+
+  This routine is called at TPL_NOTIFY.
+  Update the value of the chip select line for a SPI peripheral. The SPI bus
+  layer calls this routine either in the board layer or in the SPI controller
+  to manipulate the chip select pin at the start and end of a SPI transaction.
+
+  @param[in] This           Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] SpiPeripheral  The address of an EFI_SPI_PERIPHERAL data structure
+                            describing the SPI peripheral whose chip select pin
+                            is to be manipulated. The routine may access the
+                            ChipSelectParameter field to gain sufficient
+                            context to complete the operati on.
+  @param[in] PinValue       The value to be applied to the chip select line of
+                            the SPI peripheral.
+
+  @retval EFI_SUCCESS            The chip select was set as requested
+  @retval EFI_NOT_READY          Support for the chip select is not properly
+                                 initialized
+  @retval EFI_INVALID_PARAMETER  The ChipSeLect value or its contents are
+                                 invalid
+
+**/
+EFI_STATUS
+EFIAPI
+ChipSelect (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN CONST EFI_SPI_PERIPHERAL   *SpiPeripheral,
+  IN BOOLEAN                    PinValue
+  );
+
+/**
+  Set up the clock generator to produce the correct clock frequency, phase and
+  polarity for a SPI chip.
+
+  This routine is called at TPL_NOTIFY.
+  This routine updates the clock generator to generate the correct frequency
+  and polarity for the SPI clock.
+
+  @param[in] This           Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] SpiPeripheral  Pointer to a EFI_SPI_PERIPHERAL data structure from
+                            which the routine can access the ClockParameter,
+                            ClockPhase and ClockPolarity fields. The routine
+                            also has access to the names for the SPI bus and
+                            chip which can be used during debugging.
+  @param[in] ClockHz        Pointer to the requested clock frequency. The SPI
+                            host controller will choose a supported clock
+                            frequency which is less then or equal to this
+                            value. Specify zero to turn the clock generator
+                            off. The actual clock frequency supported by the
+                            SPI host controller will be returned.
+
+  @retval EFI_SUCCESS      The clock was set up successfully
+  @retval EFI_UNSUPPORTED  The SPI controller was not able to support the
+                           frequency requested by ClockHz
+
+**/
+EFI_STATUS
+EFIAPI
+Clock (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN CONST EFI_SPI_PERIPHERAL   *SpiPeripheral,
+  IN UINT32                     *ClockHz
+  );
+
+/**
+  Perform the SPI transaction on the SPI peripheral using the SPI host
+  controller.
+
+  This routine is called at TPL_NOTIFY.
+  This routine synchronously returns EFI_SUCCESS indicating that the
+  asynchronous SPI transaction was started. The routine then waits for
+  completion of the SPI transaction prior to returning the final transaction
+  status.
+
+  @param[in] This            Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] BusTransaction  Pointer to a EFI_SPI_BUS_ TRANSACTION containing
+                             the description of the SPI transaction to perform.
+
+  @retval EFI_SUCCESS         The transaction completed successfully
+  @retval EFI_BAD_BUFFER_SIZE The BusTransaction->WriteBytes value is invalid,
+                              or the BusTransaction->ReadinBytes value is
+                              invalid
+  @retval EFI_UNSUPPORTED     The BusTransaction-> Transaction Type is
+                              unsupported
+  @retval EFI_DEVICE_ERROR    SPI Host Controller failed transaction
+
+**/
+EFI_STATUS
+EFIAPI
+Transaction (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN EFI_SPI_BUS_TRANSACTION    *BusTransaction
+  );
+
+#endif //SPI_HC_H_
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c
new file mode 100644
index 000000000000..9d7bf9f542ef
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c
@@ -0,0 +1,115 @@
+/** @file
+
+  SPI Host Controller shell implementation, as host controller code is platform
+  specfic.
+
+  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include "SpiHc.h"
+
+/**
+  Assert or deassert the SPI chip select.
+
+  This routine is called at TPL_NOTIFY.
+  Update the value of the chip select line for a SPI peripheral. The SPI bus
+  layer calls this routine either in the board layer or in the SPI controller
+  to manipulate the chip select pin at the start and end of a SPI transaction.
+
+  @param[in] This           Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] SpiPeripheral  The address of an EFI_SPI_PERIPHERAL data structure
+                            describing the SPI peripheral whose chip select pin
+                            is to be manipulated. The routine may access the
+                            ChipSelectParameter field to gain sufficient
+                            context to complete the operati on.
+  @param[in] PinValue       The value to be applied to the chip select line of
+                            the SPI peripheral.
+
+  @retval EFI_SUCCESS            The chip select was set as requested
+  @retval EFI_NOT_READY          Support for the chip select is not properly
+                                 initialized
+  @retval EFI_INVALID_PARAMETER  The ChipSeLect value or its contents are
+                                 invalid
+
+**/
+EFI_STATUS
+EFIAPI
+ChipSelect (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN CONST EFI_SPI_PERIPHERAL   *SpiPeripheral,
+  IN BOOLEAN                    PinValue
+  )
+{
+  return PlatformSpiHcChipSelect (This, SpiPeripheral, PinValue);
+}
+
+/**
+  Set up the clock generator to produce the correct clock frequency, phase and
+  polarity for a SPI chip.
+
+  This routine is called at TPL_NOTIFY.
+  This routine updates the clock generator to generate the correct frequency
+  and polarity for the SPI clock.
+
+  @param[in] This           Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] SpiPeripheral  Pointer to a EFI_SPI_PERIPHERAL data structure from
+                            which the routine can access the ClockParameter,
+                            ClockPhase and ClockPolarity fields. The routine
+                            also has access to the names for the SPI bus and
+                            chip which can be used during debugging.
+  @param[in] ClockHz        Pointer to the requested clock frequency. The SPI
+                            host controller will choose a supported clock
+                            frequency which is less then or equal to this
+                            value. Specify zero to turn the clock generator
+                            off. The actual clock frequency supported by the
+                            SPI host controller will be returned.
+
+  @retval EFI_SUCCESS      The clock was set up successfully
+  @retval EFI_UNSUPPORTED  The SPI controller was not able to support the
+                           frequency requested by ClockHz
+
+**/
+EFI_STATUS
+EFIAPI
+Clock (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN CONST EFI_SPI_PERIPHERAL   *SpiPeripheral,
+  IN UINT32                     *ClockHz
+  )
+{
+  return PlatformSpiHcClock (This, SpiPeripheral, ClockHz);
+}
+
+/**
+  Perform the SPI transaction on the SPI peripheral using the SPI host
+  controller.
+
+  This routine is called at TPL_NOTIFY.
+  This routine synchronously returns EFI_SUCCESS indicating that the
+  asynchronous SPI transaction was started. The routine then waits for
+  completion of the SPI transaction prior to returning the final transaction
+  status.
+
+  @param[in] This            Pointer to an EFI_SPI_HC_PROTOCOL structure.
+  @param[in] BusTransaction  Pointer to a EFI_SPI_BUS_ TRANSACTION containing
+                             the description of the SPI transaction to perform.
+
+  @retval EFI_SUCCESS         The transaction completed successfully
+  @retval EFI_BAD_BUFFER_SIZE The BusTransaction->WriteBytes value is invalid,
+                              or the BusTransaction->ReadinBytes value is
+                              invalid
+  @retval EFI_UNSUPPORTED     The BusTransaction-> Transaction Type is
+                              unsupported
+  @retval EFI_DEVICE_ERROR    SPI Host Controller failed transaction
+
+**/
+EFI_STATUS
+EFIAPI
+Transaction (
+  IN CONST EFI_SPI_HC_PROTOCOL  *This,
+  IN EFI_SPI_BUS_TRANSACTION    *BusTransaction
+  )
+{
+  return PlatformSpiHcTransaction (This, BusTransaction);
+}
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c
new file mode 100644
index 000000000000..d0e9827eb67c
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c
@@ -0,0 +1,101 @@
+/** @file
+
+  SPI Host controller entry point for DXE
+
+  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <Base.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/SpiHcPlatformLib.h>
+#include <Protocol/SpiHc.h>
+#include <IndustryStandard/SpiNorFlashJedecSfdp.h>
+#include "SpiHc.h"
+
+EFI_HANDLE  mSpiHcHandle = 0;
+
+/**
+  Entry point of the SPI Host Controller driver. Installs the EFI_SPI_HC_PROTOCOL on mSpiHcHandle.
+  Also installs the EFI_DEVICE_PATH_PROTOCOL corresponding to the SPI Host controller on the same
+  mSpiHcHandle.
+
+  @param[in] ImageHandle  Image handle of this driver.
+  @param[in] SystemTable  Pointer to standard EFI system table.
+
+  @retval EFI_SUCCESS       Succeed.
+  @retval EFI_OUT_RESOURCES If the system has run out of memory
+**/
+EFI_STATUS
+EFIAPI
+SpiHcProtocolEntry (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS                Status;
+  EFI_SPI_HC_PROTOCOL       *HcProtocol;
+  EFI_DEVICE_PATH_PROTOCOL  *HcDevicePath;
+
+  DEBUG ((DEBUG_VERBOSE, "%a - ENTRY\n", __func__));
+
+  // Allocate the SPI Host Controller protocol
+  HcProtocol = AllocateZeroPool (sizeof (EFI_SPI_HC_PROTOCOL));
+  ASSERT (HcProtocol != NULL);
+  if (HcProtocol == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  // Fill in the SPI Host Controller Protocol
+  Status = GetPlatformSpiHcDetails (
+             &HcProtocol->Attributes,
+             &HcProtocol->FrameSizeSupportMask,
+             &HcProtocol->MaximumTransferBytes
+             );
+
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_VERBOSE, "Error, no Platform SPI HC details\n"));
+    return Status;
+  }
+
+  HcProtocol->ChipSelect  = ChipSelect;
+  HcProtocol->Clock       = Clock;
+  HcProtocol->Transaction = Transaction;
+
+  // Install Host Controller protocol
+  Status = gBS->InstallProtocolInterface (
+                  &mSpiHcHandle,
+                  &gEfiSpiHcProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  HcProtocol
+                  );
+
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_VERBOSE, "Error installing gEfiSpiHcProtocolGuid\n"));
+    return Status;
+  }
+
+  Status = GetSpiHcDevicePath (&HcDevicePath);
+
+  // Install HC device path here on this handle as well
+  Status = gBS->InstallProtocolInterface (
+                  &mSpiHcHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  HcDevicePath
+                  );
+
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_VERBOSE, "Error installing gEfiDevicePathProtocolGuid\n"));
+  }
+
+  DEBUG ((DEBUG_VERBOSE, "%a - EXIT Status=%r\n", __func__, Status));
+
+  return Status;
+}
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c
new file mode 100644
index 000000000000..adebff97631a
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c
@@ -0,0 +1,79 @@
+/** @file
+
+  SPI Host controller entry point for SMM
+
+  Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include <Base.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/MmServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/SpiHcPlatformLib.h>
+#include <Protocol/SpiSmmHc.h>
+#include <IndustryStandard/SpiNorFlashJedecSfdp.h>
+#include "SpiHc.h"
+
+EFI_HANDLE  mSpiHcHandle = 0;
+
+/**
+  Entry point of the SPI Host Controller driver. Installs the EFI_SPI_HC_PROTOCOL on mSpiHcHandle.
+  Also installs the EFI_DEVICE_PATH_PROTOCOL corresponding to the SPI Host controller on the same
+  mSpiHcHandle.
+
+  @param[in] ImageHandle  Image handle of this driver.
+  @param[in] SystemTable  Pointer to standard EFI system table.
+
+  @retval EFI_SUCCESS       Succeed.
+  @retval EFI_OUT_RESOURCES If the system has run out of memory
+**/
+EFI_STATUS
+EFIAPI
+SpiHcProtocolEntry (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS           Status;
+  EFI_SPI_HC_PROTOCOL  *HcProtocol;
+
+  DEBUG ((DEBUG_VERBOSE, "%a - ENTRY\n", __func__));
+
+  // Allocate the SPI Host Controller protocol
+  HcProtocol = AllocateZeroPool (sizeof (EFI_SPI_HC_PROTOCOL));
+  ASSERT (HcProtocol != NULL);
+  if (HcProtocol == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  // Fill in the SPI Host Controller Protocol
+  Status = GetPlatformSpiHcDetails (
+             &HcProtocol->Attributes,
+             &HcProtocol->FrameSizeSupportMask,
+             &HcProtocol->MaximumTransferBytes
+             );
+
+  HcProtocol->ChipSelect  = ChipSelect;
+  HcProtocol->Clock       = Clock;
+  HcProtocol->Transaction = Transaction;
+
+  Status = gMmst->MmInstallProtocolInterface (
+                    &mSpiHcHandle,
+                    &gEfiSpiSmmHcProtocolGuid,
+                    EFI_NATIVE_INTERFACE,
+                    HcProtocol
+                    );
+
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_VERBOSE, "Error installing gEfiSpiSmmHcProtocolGuid\n"));
+  }
+
+  DEBUG ((DEBUG_VERBOSE, "%a - EXIT Status=%r\n", __func__, Status));
+
+  return Status;
+}
diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni
new file mode 100644
index 000000000000..9fab0a7433c5
--- /dev/null
+++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni
@@ -0,0 +1,10 @@
+// /** @file
+//
+// Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US   "SPI host controller driver"
-- 
2.42.1



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