ArmPlatformPkg: Introduced ArmPlatformSysConfigLib NULL library

Some platforms do not have SysConfig controller used by the ARM
Versatile Express.
Some peripheral drivers currently rely on SysConfigLib (eg: PL031
RTC driver, LCD driver).

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16143 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 90 insertions, 106 deletions

diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc
index d17a3cb65c..2a6a5b755a 100644
--- a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc
+++ b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc
@@ -75,7 +75,7 @@
   PL011UartLib|ArmPlatformPkg/Drivers/PL011Uart/PL011Uart.inf

   NorFlashPlatformLib|ArmPlatformPkg/ArmRealViewEbPkg/Library/NorFlashArmRealViewEbLib/NorFlashArmRealViewEbLib.inf

   LcdPlatformLib|ArmPlatformPkg/ArmRealViewEbPkg/Library/PL111LcdArmRealViewEbLib/PL111LcdArmRealViewEbLib.inf

-  ArmPlatformSysConfigLib|ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEbLib.inf

+  ArmPlatformSysConfigLib|ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf

 

   # Networking Requirements for ArmPlatformPkg/Bds

   NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf

diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEb.c b/ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEb.c
deleted file mode 100644
index 4b1a04d52e..0000000000
--- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEb.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/** @file  SysConfigArmRealViewEb.c

-

-  Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>

-  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 <Base.h>

-#include <Library/IoLib.h>

-#include <Library/DebugLib.h>

-

-#include <Library/ArmPlatformSysConfigLib.h>

-#include <ArmPlatform.h>

-

-/****************************************************************************

- *

- *  This file makes it easier to access the System Configuration Registers

- *  in the ARM Versatile Express motherboard.

- *

- ****************************************************************************/

-

-RETURN_STATUS

-ArmPlatformSysConfigInitialize (

-  VOID

-  )

-{

-  return RETURN_SUCCESS;

-}

-

-RETURN_STATUS

-ArmPlatformSysConfigGet (

-  IN  SYS_CONFIG_FUNCTION   Function,

-  OUT UINT32*               Value

-  )

-{

-  RETURN_STATUS Status;

-

-  Status = RETURN_SUCCESS;

-

-  // Intercept some functions

-  switch(Function) {

-

-  default:

-    Status = RETURN_UNSUPPORTED;

-  }

-

-  return Status;

-}

-

-RETURN_STATUS

-ArmPlatformSysConfigSet (

-  IN  SYS_CONFIG_FUNCTION   Function,

-  IN  UINT32                Value

-  )

-{

-  RETURN_STATUS Status;

-

-  Status = RETURN_SUCCESS;

-

-  // Intercept some functions

-  switch(Function) {

-

-  default:

-    Status = RETURN_UNSUPPORTED;

-  }

-

-  return Status;

-}

-

-RETURN_STATUS

-ArmPlatformSysConfigSetDevice (

-  IN  SYS_CONFIG_FUNCTION   Function,

-  IN  UINT32                Device,

-  IN  UINT32                Value

-  )

-{

-  RETURN_STATUS Status;

-

-  Status = RETURN_SUCCESS;

-

-  // Intercept some functions

-  switch(Function) {

-

-  default:

-    Status = RETURN_UNSUPPORTED;

-  }

-

-  return Status;

-}

diff --git a/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.c b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.c
new file mode 100644
index 0000000000..a7199e65d8
--- /dev/null
+++ b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.c
@@ -0,0 +1,85 @@
+/** @file

+

+  Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>

+

+  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 <Base.h>

+

+#include <Library/ArmPlatformSysConfigLib.h>

+

+

+RETURN_STATUS

+ArmPlatformSysConfigInitialize (

+  VOID

+  )

+{

+  return RETURN_SUCCESS;

+}

+

+/***************************************

+ * GENERAL FUNCTION: AccessSysCfgRegister

+ * Interacts with

+ *    SYS_CFGSTAT

+ *    SYS_CFGDATA

+ *    SYS_CFGCTRL

+ * for setting and for reading out values

+ ***************************************/

+RETURN_STATUS

+AccessSysCfgRegister (

+  IN     UINT32   ReadWrite,

+  IN     UINT32   Function,

+  IN     UINT32   Site,

+  IN     UINT32   Position,

+  IN     UINT32   Device,

+  IN OUT UINT32*  Data

+  )

+{

+  return RETURN_UNSUPPORTED;

+}

+

+RETURN_STATUS

+ArmPlatformSysConfigGet (

+  IN  SYS_CONFIG_FUNCTION   Function,

+  OUT UINT32*               Value

+  )

+{

+  return RETURN_UNSUPPORTED;

+}

+

+RETURN_STATUS

+ArmPlatformSysConfigGetValues (

+  IN  SYS_CONFIG_FUNCTION   Function,

+  IN  UINTN                 Size,

+  OUT UINT32*               Values

+  )

+{

+  return RETURN_UNSUPPORTED;

+}

+

+RETURN_STATUS

+ArmPlatformSysConfigSet (

+  IN  SYS_CONFIG_FUNCTION   Function,

+  IN  UINT32                Value

+  )

+{

+  return RETURN_UNSUPPORTED;

+}

+

+RETURN_STATUS

+ArmPlatformSysConfigSetDevice (

+  IN  SYS_CONFIG_FUNCTION   Function,

+  IN  UINT32                Device,

+  IN  UINT32                Value

+  )

+{

+  return RETURN_UNSUPPORTED;

+}

diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEbLib.inf b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf
index 62cec295ad..f379d7228c 100644
--- a/ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEbLib.inf
+++ b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf
@@ -1,8 +1,6 @@
 #/** @file

 #

-#  Component description file for SysConfigArmRealViewEbLib module

-#

-#  Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>

+#  Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>

 #

 #  This program and the accompanying materials

 #  are licensed and made available under the terms and conditions of the BSD License

@@ -16,19 +14,15 @@
 

 [Defines]

   INF_VERSION                    = 0x00010005

-  BASE_NAME                      = SysConfigArmRealViewEbLib

-  FILE_GUID                      = 46eddfa0-8de0-11e0-944b-0002a5d5c51b

+  BASE_NAME                      = ArmPlatformSysConfigLibNull

+  FILE_GUID                      = b2a191a9-9bac-4c83-a2f3-d5f6e71efd03

   MODULE_TYPE                    = BASE

   VERSION_STRING                 = 1.0

   LIBRARY_CLASS                  = ArmPlatformSysConfigLib

 

 [Sources.common]

-  SysConfigArmRealViewEb.c

+  ArmPlatformSysConfigLibNull.c

 

 [Packages]

   MdePkg/MdePkg.dec

-  ArmPlatformPkg/ArmVExpressPkg/ArmVExpressPkg.dec

   ArmPlatformPkg/ArmPlatformPkg.dec

-

-[LibraryClasses]

-  BaseLib