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ArmPlatformPkg: Introduced ArmPlatformSysConfigLib NULL library

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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
This commit is contained in:
Olivier Martin
2014-09-18 21:15:29 +00:00
committed by oliviermartin
parent efb419ea76
commit 601e360786
4 changed files with 90 additions and 106 deletions
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95
ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEb.c
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@@ -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;
}

34
ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEbLib.inf
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@@ -1,34 +0,0 @@
#/** @file
#
# Component description file for SysConfigArmRealViewEbLib module
#
# 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.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = SysConfigArmRealViewEbLib
FILE_GUID = 46eddfa0-8de0-11e0-944b-0002a5d5c51b
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = ArmPlatformSysConfigLib
[Sources.common]
SysConfigArmRealViewEb.c
[Packages]
MdePkg/MdePkg.dec
ArmPlatformPkg/ArmVExpressPkg/ArmVExpressPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
[LibraryClasses]
BaseLib