From: Wasim Khan <wasim.k...@nxp.com>
Add PlatformDxe to do platform specific work.
At present it perform platform specific Pci initialization.
Signed-off-by: Wasim Khan <wasim.k...@nxp.com>
---
Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf | 35 +++++++++
Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c | 78
++++++++++++++++++++
2 files changed, 113 insertions(+)
diff --git a/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
b/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
new file mode 100644
index 000000000000..2514adf1d69d
--- /dev/null
+++ b/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.inf
@@ -0,0 +1,35 @@
+## @file
+#
+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = PlatformDxe
+ FILE_GUID = C4063EBA-7729-11EA-BC55-0232AC130003
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = PlatformDxeEntryPoint
+
+[Sources]
+ PlatformDxe.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ Silicon/NXP/Chassis3V2/Chassis3V2.dec
+ Silicon/NXP/LX2160A/LX2160A.dec
+ Silicon/NXP/NxpQoriqLs.dec
+
+[LibraryClasses]
+ PcdLib
+ UefiDriverEntryPoint
+
+[Pcd]
+ gNxpQoriqLsTokenSpaceGuid.PcdPciCfgShiftEnable
+ gNxpQoriqLsTokenSpaceGuid.PcdPciLsGen4Ctrl
+
+[Depex]
+ TRUE
diff --git a/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
b/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
new file mode 100644
index 000000000000..73599aaeb7bf
--- /dev/null
+++ b/Platform/NXP/LX2160aRdbPkg/Drivers/PlatformDxe/PlatformDxe.c
@@ -0,0 +1,78 @@
+/** @file
+*
+* Copyright 2020 NXP
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Library/PcdLib.h>
+#include <Library/SocLib.h>
+#include <Soc.h>
+
+/**
+ Enable PciCfgShift feature for LX2160-Rev2
+
+**/
+VOID
+EnableCfgShift (
+ VOID
+ )
+{
+ UINT32 Svr;
+
+ Svr = SocGetSvr ();
+ if ((SVR_SOC_VER(Svr) == SVR_LX2160A) && (SVR_MAJOR(Svr) == 0x2)) {
+ PcdSetBoolS (PcdPciCfgShiftEnable, TRUE);
+ }
+}
+
+/**
+ Enable Layerscape Gen4 controller for LX2160A-Rev1
+
+**/
+VOID
+EnablePciController (
+ VOID
+ )
+{
+ UINT32 Svr;
+
+ Svr = SocGetSvr ();
+ if ((SVR_SOC_VER(Svr) == SVR_LX2160A) && (SVR_MAJOR(Svr) == 0x1)) {
+ PcdSetBoolS (PcdPciLsGen4Ctrl, TRUE);
+ }
+}
+
+/**
+ Platfrom Specific PCI Initialization
+
+**/
+VOID
+PlatformPciInit (
+ VOID
+ )
+{
+ EnableCfgShift ();
+ EnablePciController ();
+}
+
+/**
+ The entry point for PlatformDxe driver. This driver
+ intends to perform platform specific initialization.
+
+ @param[in] ImageHandle The image handle of the driver.
+ @param[in] SystemTable The system table.
+
+ @retval EFI_SUCCESS Driver initialization success.
+
+**/
+EFI_STATUS
+EFIAPI
+PlatformDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ // Platfrom Specific PCI Initialization
+ PlatformPciInit ();
+ return EFI_SUCCESS;
+}
--
2.7.4
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