[edk2-devel] [PATCH edk2-platforms 10/12] Platform/NXP: Add Platform driver for LS1043 RDB board
Leif Lindholm
leif.lindholm at linaro.org
Thu Oct 10 15:12:42 UTC 2019
On Wed, Oct 09, 2019 at 10:19:16PM +0530, Meenakshi Aggarwal wrote:
> Platform driver will be used for platform specific work.
> At present, it populate i2c driver structure with platform
> specific information and install RTC on i2c.
>
> Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal at nxp.com>
Reviewed-by: Leif Lindholm <leif.lindholm at linaro.org>
> ---
> .../Drivers/PlatformDxe/PlatformDxe.c | 114 +++++++++++++++++++++
> .../Drivers/PlatformDxe/PlatformDxe.inf | 52 ++++++++++
> 2 files changed, 166 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..f89dcde
> --- /dev/null
> +++ b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
> @@ -0,0 +1,114 @@
> +/** @file
> + LS1043 DXE platform driver.
> +
> + Copyright 2018-2019 NXP
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#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..d689cf4
> --- /dev/null
> +++ b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
> @@ -0,0 +1,52 @@
> +## @file
> +#
> +# Component description file for LS1043 DXE platform driver.
> +#
> +# Copyright 2018-2019 NXP
> +#
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[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
>
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