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.aggar...@nxp.com>
Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org>
---
Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf | 52 +++++++++
Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c | 114
++++++++++++++++++++
2 files changed, 166 insertions(+)
diff --git a/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
new file mode 100644
index 000000000000..d689cf4db58e
--- /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
diff --git a/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
b/Platform/NXP/LS1043aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
new file mode 100644
index 000000000000..f89dcdeff3c1
--- /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;
+}
--
1.9.1
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