From 601e3607864e680aaabea81f6eb3c49d9edd17e9 Mon Sep 17 00:00:00 2001
From: Olivier Martin <olivier.martin@arm.com>
Date: Thu, 18 Sep 2014 21:15:29 +0000
Subject: 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
---
 .../ArmPlatformSysConfigLibNull.c                  | 85 ++++++++++++++++++++++
 .../ArmPlatformSysConfigLibNull.inf                | 28 +++++++
 2 files changed, 113 insertions(+)
 create mode 100644 ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.c
 create mode 100644 ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf

(limited to 'ArmPlatformPkg/Library')

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/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf
new file mode 100644
index 0000000000..f379d7228c
--- /dev/null
+++ b/ArmPlatformPkg/Library/ArmPlatformSysConfigLibNull/ArmPlatformSysConfigLibNull.inf
@@ -0,0 +1,28 @@
+#/** @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.
+#
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = ArmPlatformSysConfigLibNull
+  FILE_GUID                      = b2a191a9-9bac-4c83-a2f3-d5f6e71efd03
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = ArmPlatformSysConfigLib
+
+[Sources.common]
+  ArmPlatformSysConfigLibNull.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  ArmPlatformPkg/ArmPlatformPkg.dec
-- 
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