ArmPlatformPkg/ArmRealViewEbPkg/Library/SysConfigArmRealViewEbLib/SysConfigArmRealViewEb.c

   1 /** @file  SysCfgArmPlatform.c
   2
   3   Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
   4   This program and the accompanying materials
   5   are licensed and made available under the terms and conditions of the BSD License
   6   which accompanies this distribution.  The full text of the license may be found at
   7   http://opensource.org/licenses/bsd-license.php
   8
   9   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 **/
  13
  14 #include <PiDxe.h>
  15 #include <Library/IoLib.h>
  16 #include <Library/DebugLib.h>
  17
  18 #include <Library/ArmPlatformSysConfigLib.h>
  19 #include <ArmPlatform.h>
  20
  21 /****************************************************************************
  22  *
  23  *  This file makes it easier to access the System Configuration Registers
  24  *  in the ARM Versatile Express motherboard.
  25  *
  26  ****************************************************************************/
  27
  28 EFI_STATUS
  29 ArmPlatformSysConfigInitialize (
  30   VOID
  31   )
  32 {
  33   return EFI_SUCCESS;
  34 }
  35
  36 EFI_STATUS
  37 ArmPlatformSysConfigGet (
  38   IN  SYS_CONFIG_FUNCTION   Function,
  39   OUT UINT32*               Value
  40   )
  41 {
  42   EFI_STATUS Status;
  43
  44   Status = EFI_SUCCESS;
  45
  46   // Intercept some functions
  47   switch(Function) {
  48
  49   default:
  50     Status = EFI_UNSUPPORTED;
  51   }
  52
  53   return Status;
  54 }
  55
  56 EFI_STATUS
  57 ArmPlatformSysConfigSet (
  58   IN  SYS_CONFIG_FUNCTION   Function,
  59   IN  UINT32                Value
  60   )
  61 {
  62   EFI_STATUS Status;
  63
  64   Status = EFI_SUCCESS;
  65
  66   // Intercept some functions
  67   switch(Function) {
  68
  69   default:
  70     Status = EFI_UNSUPPORTED;
  71   }
  72
  73   return Status;
  74 }
  75
  76 EFI_STATUS
  77 ArmPlatformSysConfigSetDevice (
  78   IN  SYS_CONFIG_FUNCTION   Function,
  79   IN  UINT32                Device,
  80   IN  UINT32                Value
  81   )
  82 {
  83   EFI_STATUS Status;
  84
  85   Status = EFI_SUCCESS;
  86
  87   // Intercept some functions
  88   switch(Function) {
  89
  90   default:
  91     Status = EFI_UNSUPPORTED;
  92   }
  93
  94   return Status;
  95 }