[PATCH edk2-platforms 27/41] Platform/NXP: Add Platform driver for LS2088 RDB board

[Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>]

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
---
 .../Drivers/PlatformDxe/PlatformDxe.c              | 119 +++++++++++++++++++++
 .../Drivers/PlatformDxe/PlatformDxe.inf            |  58 ++++++++++
 2 files changed, 177 insertions(+)
 create mode 100644 Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
 create mode 100644 Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf

diff --git a/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c b/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
new file mode 100644
index 0000000..667e750
--- /dev/null
+++ b/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
@@ -0,0 +1,119 @@
+/** @file
+  LS2088 RDB board 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 DS3232 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,
+                  &gDs3232RealTimeClockLibI2cMasterProtocolGuid,
+                  EFI_NATIVE_INTERFACE, NULL);
+  ASSERT_EFI_ERROR (Status);
+
+  return EFI_SUCCESS;
+}
diff --git a/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf b/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
new file mode 100644
index 0000000..1972022
--- /dev/null
+++ b/Platform/NXP/LS2088aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
@@ -0,0 +1,58 @@
+## @file
+#
+#  Component description file for LS2088 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                      = 71dbcbc8-8cde-41ff-b51c-02fe338a60c3
+  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/Ds3232RtcLib/Ds3232RtcLib.dec
+  Silicon/NXP/NxpQoriqLs.dec
+
+[LibraryClasses]
+  BaseLib
+  BaseMemoryLib
+  DebugLib
+  MemoryAllocationLib
+  PcdLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  UefiLib
+
+[Guids]
+  gNxpNonDiscoverableI2cMasterGuid
+
+[Protocols]
+  gEdkiiNonDiscoverableDeviceProtocolGuid        ## PRODUCES
+  gDs3232RealTimeClockLibI2cMasterProtocolGuid   ## PRODUCES
+
+[FixedPcd]
+  gNxpQoriqLsTokenSpaceGuid.PcdI2c0BaseAddr
+  gNxpQoriqLsTokenSpaceGuid.PcdI2cSize
+  gNxpQoriqLsTokenSpaceGuid.PcdNumI2cController
+
+[Depex]
+  TRUE
-- 
1.9.1