src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15Apm.c

/* $NoKeywords:$ */
/**
 * @file
 *
 * AMD Family_15 APM Initialization
 *
 * Enables Application Power Management feature
 *
 * @xrefitem bom "File Content Label" "Release Content"
 * @e project:      AGESA
 * @e sub-project:  CPU/Family/0x15
 * @e \$Revision: 63425 $   @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
 *
 */
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/*----------------------------------------------------------------------------------------
 *                             M O D U L E S    U S E D
 *----------------------------------------------------------------------------------------
 */
#include "AGESA.h"
#include "amdlib.h"
#include "GeneralServices.h"
#include "cpuServices.h"
#include "cpuRegisters.h"
#include "cpuFamilyTranslation.h"
#include "cpuF15PowerMgmt.h"
#include "CommonReturns.h"
#include "cpuApm.h"
#include "OptionMultiSocket.h"
#include "Filecode.h"
CODE_GROUP (G3_DXE)
RDATA_GROUP (G3_DXE)

#define FILECODE PROC_CPU_FAMILY_0X15_CPUF15APM_FILECODE

/*----------------------------------------------------------------------------------------
 *                   D E F I N I T I O N S    A N D    M A C R O S
 *----------------------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------------------
 *                  T Y P E D E F S     A N D     S T R U C T U R E S
 *----------------------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------------------
 *           P R O T O T Y P E S     O F     L O C A L     F U N C T I O N S
 *----------------------------------------------------------------------------------------
 */

/*----------------------------------------------------------------------------------------
 *                          E X P O R T E D    F U N C T I O N S
 *----------------------------------------------------------------------------------------
 */
extern OPTION_MULTISOCKET_CONFIGURATION OptionMultiSocketConfiguration;
/*---------------------------------------------------------------------------------------*/
/**
 * Entry point for enabling Application Power Management
 *
 * This function must be run after all P-State routines have been executed
 *
 * @param[in]  ApmServices             The current CPU's family services.
 * @param[in]  PlatformConfig          Contains the runtime modifiable feature input data.
 * @param[in]  StdHeader               Config handle for library and services.
 *
 * @retval     AGESA_SUCCESS           Always succeeds.
 *
 */
AGESA_STATUS
STATIC
F15InitializeApm (
  IN       APM_FAMILY_SERVICES    *ApmServices,
  IN       PLATFORM_CONFIGURATION *PlatformConfig,
  IN       AMD_CONFIG_PARAMS      *StdHeader
  )
{
  UINT32   LocalPciRegister;
  PCI_ADDR PciAddress;

  PciAddress.Address.Function = FUNC_4;
  PciAddress.Address.Register = CPB_CTRL_REG;
  LocalPciRegister = 0;
  ((F15_CPB_CTRL_REGISTER *) (&LocalPciRegister))->ApmMasterEn = 1;
  OptionMultiSocketConfiguration.ModifyCurrSocketPci (&PciAddress, 0xFFFFFFFF, LocalPciRegister, StdHeader);

  return AGESA_SUCCESS;
}



CONST APM_FAMILY_SERVICES ROMDATA F15ApmSupport =
{
  0,
  (PF_APM_IS_SUPPORTED) CommonReturnTrue,
  F15InitializeApm
};