Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com> --- .../Drivers/PlatformDxe/PlatformDxe.c | 119 +++++++++++++++++++++ .../Drivers/PlatformDxe/PlatformDxe.inf | 58 ++++++++++ 2 files changed, 177 insertions(+) create mode 100644 Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c create mode 100644 Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
diff --git a/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c new file mode 100644 index 0000000..7ce7318 --- /dev/null +++ b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c @@ -0,0 +1,119 @@ +/** @file + LS1043 DXE platform driver. + + Copyright 2018 NXP + + 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 <Library/BaseLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/DebugLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/PcdLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/UefiLib.h> + +#include <Protocol/NonDiscoverableDevice.h> + +typedef struct { + EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR StartDesc; + UINT8 EndDesc; +} ADDRESS_SPACE_DESCRIPTOR; + +STATIC ADDRESS_SPACE_DESCRIPTOR mI2cDesc[FixedPcdGet64 (PcdNumI2cController)]; + +STATIC +EFI_STATUS +RegisterDevice ( + IN EFI_GUID *TypeGuid, + IN ADDRESS_SPACE_DESCRIPTOR *Desc, + OUT EFI_HANDLE *Handle + ) +{ + NON_DISCOVERABLE_DEVICE *Device; + EFI_STATUS Status; + + Device = (NON_DISCOVERABLE_DEVICE *)AllocateZeroPool (sizeof (*Device)); + if (Device == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + Device->Type = TypeGuid; + Device->DmaType = NonDiscoverableDeviceDmaTypeNonCoherent; + Device->Resources = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *)Desc; + + Status = gBS->InstallMultipleProtocolInterfaces (Handle, + &gEdkiiNonDiscoverableDeviceProtocolGuid, Device, + NULL); + if (EFI_ERROR (Status)) { + goto FreeDevice; + } + return EFI_SUCCESS; + +FreeDevice: + FreePool (Device); + + return Status; +} + +VOID +PopulateI2cInformation ( + IN VOID + ) +{ + UINT32 Index; + + for (Index = 0; Index < FixedPcdGet32 (PcdNumI2cController); Index++) { + mI2cDesc[Index].StartDesc.Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR; + mI2cDesc[Index].StartDesc.Len = sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3; + mI2cDesc[Index].StartDesc.ResType = ACPI_ADDRESS_SPACE_TYPE_MEM; + mI2cDesc[Index].StartDesc.GenFlag = 0; + mI2cDesc[Index].StartDesc.SpecificFlag = 0; + mI2cDesc[Index].StartDesc.AddrSpaceGranularity = 32; + mI2cDesc[Index].StartDesc.AddrRangeMin = FixedPcdGet64 (PcdI2c0BaseAddr) + + (Index * FixedPcdGet32 (PcdI2cSize)); + mI2cDesc[Index].StartDesc.AddrRangeMax = mI2cDesc[Index].StartDesc.AddrRangeMin + + FixedPcdGet32 (PcdI2cSize) - 1; + mI2cDesc[Index].StartDesc.AddrTranslationOffset = 0; + mI2cDesc[Index].StartDesc.AddrLen = FixedPcdGet32 (PcdI2cSize); + + mI2cDesc[Index].EndDesc = ACPI_END_TAG_DESCRIPTOR; + } +} + +EFI_STATUS +EFIAPI +PlatformDxeEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + EFI_HANDLE Handle; + + Handle = NULL; + + PopulateI2cInformation (); + + Status = RegisterDevice (&gNxpNonDiscoverableI2cMasterGuid, + &mI2cDesc[0], &Handle); + ASSERT_EFI_ERROR (Status); + + // + // Install the DS1307 I2C Master protocol on this handle so the RTC driver + // can identify it as the I2C master it can invoke directly. + // + Status = gBS->InstallProtocolInterface (&Handle, + &gDs1307RealTimeClockLibI2cMasterProtocolGuid, + EFI_NATIVE_INTERFACE, NULL); + ASSERT_EFI_ERROR (Status); + + return EFI_SUCCESS; +} diff --git a/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf new file mode 100644 index 0000000..91d6ad3 --- /dev/null +++ b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf @@ -0,0 +1,58 @@ +## @file +# +# Component description file for LS1043 DXE platform driver. +# +# Copyright 2018 NXP +# +# 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 = 0x0001001A + BASE_NAME = PlatformDxe + FILE_GUID = 21108101-adcd-4123-930e-a2354a554db7 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = PlatformDxeEntryPoint + +[Sources] + PlatformDxe.c + +[Packages] + ArmPkg/ArmPkg.dec + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + Silicon/Maxim/Library/Ds1307RtcLib/Ds1307RtcLib.dec + Silicon/NXP/NxpQoriqLs.dec + +[LibraryClasses] + BaseLib + BaseMemoryLib + DebugLib + MemoryAllocationLib + PcdLib + UefiBootServicesTableLib + UefiDriverEntryPoint + UefiLib + +[Guids] + gNxpNonDiscoverableI2cMasterGuid + +[Protocols] + gEdkiiNonDiscoverableDeviceProtocolGuid ## PRODUCES + gDs1307RealTimeClockLibI2cMasterProtocolGuid ## PRODUCES + +[FixedPcd] + gNxpQoriqLsTokenSpaceGuid.PcdI2c0BaseAddr + gNxpQoriqLsTokenSpaceGuid.PcdI2cSize + gNxpQoriqLsTokenSpaceGuid.PcdNumI2cController + +[Depex] + TRUE -- 1.9.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
