From 82b0358e3fd6be6d77e838618f69812bd28f26a2 Mon Sep 17 00:00:00 2001 From: Brit Chesley Date: Mon, 29 Apr 2024 15:57:38 -0500 Subject: MdeModulePkg: SpiHc: SpiHc Drivers 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 Cc: Abdul Lateef Attar Signed-off-by: Brit Chesley Reviewed-by: Abner Chang --- MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c | 115 +++++++++++++++++++++++++++++++ MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h | 117 ++++++++++++++++++++++++++++++++ MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni | 10 +++ MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c | 101 +++++++++++++++++++++++++++ MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf | 47 +++++++++++++ MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c | 79 +++++++++++++++++++++ MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf | 45 ++++++++++++ 7 files changed, 514 insertions(+) create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c create mode 100644 MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.c new file mode 100644 index 0000000..9d7bf9f --- /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.
+ 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/SpiHc.h b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.h new file mode 100644 index 0000000..c6e4c58 --- /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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef SPI_HC_H_ +#define SPI_HC_H_ + +#include +#include +#include +#include +#include +#include +#include + +/** + 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.uni b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni new file mode 100644 index 0000000..9fab0a7 --- /dev/null +++ b/MdeModulePkg/Bus/Spi/SpiHc/SpiHc.uni @@ -0,0 +1,10 @@ +// /** @file +// +// Copyright (C) 2024 Advanced Micro Devices, Inc. All rights reserved.
+// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + +#string STR_PROPERTIES_MODULE_NAME +#language en-US "SPI host controller driver" diff --git a/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.c new file mode 100644 index 0000000..d0e9827 --- /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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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/SpiHcDxe.inf b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcDxe.inf new file mode 100644 index 0000000..b71f153 --- /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.c b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.c new file mode 100644 index 0000000..adebff9 --- /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.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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/SpiHcSmm.inf b/MdeModulePkg/Bus/Spi/SpiHc/SpiHcSmm.inf new file mode 100644 index 0000000..95d5466 --- /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 -- cgit v1.1