C++ (Cpp) IsImcEnabled Examples

Example #1

/**
 * ImcSleep - IMC Sleep.
 *
 *
 * @param[in] FchDataPtr Fch configuration structure pointer.
 *
 */
VOID
ImcSleep (
  IN  VOID     *FchDataPtr
  )
{
  UINT8        Msgdata;
  FCH_DATA_BLOCK         *LocalCfgPtr;
  AMD_CONFIG_PARAMS      *StdHeader;

  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
  StdHeader = LocalCfgPtr->StdHeader;

  if (!(IsImcEnabled (StdHeader)) ) {
    return;                                                ///IMC is not enabled
  }

  Msgdata = 0x00;
  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0xB4;
  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0x00;
  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0x96;
  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
  WaitForEcLDN9MailboxCmdAck (StdHeader);
}

Example #2

/**
 * ImcDisableSurebootTimer - IMC Disable Sureboot Timer.
 *
 *
 * @param[in] FchDataPtr Fch configuration structure pointer.
 *
 */
VOID
ImcDisableSurebootTimer (
  IN  VOID     *FchDataPtr
  )
{
  UINT8   Msgdata;
  AMD_CONFIG_PARAMS      *StdHeader;

  StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader;

  if (!(IsImcEnabled (StdHeader)) ) {
    return;                                      ///IMC is not enabled
  }

  ImcWakeup (FchDataPtr);
  Msgdata = 0x00;
  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0x01;
  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0x00;
  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
  Msgdata = 0x94;
  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
  WaitForEcLDN9MailboxCmdAck (StdHeader);
  ImcSleep (FchDataPtr);
}

Example #3

File: AvalonImcLib.c Project: fishbaoz/edk2ml

/**
 * ImcCrashReset - IMC Crash Reset
 *
 *
 * @param[in] FchDataPtr Fch configuration structure pointer.
 *
 */
VOID
ImcCrashReset (
  IN  VOID     *FchDataPtr
  )
{
  UINT8        Msgdata;
  FCH_DATA_BLOCK         *LocalCfgPtr;
  AMD_CONFIG_PARAMS      *StdHeader;

  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
  StdHeader = LocalCfgPtr->StdHeader;

  if (!(IsImcEnabled (StdHeader)) ) {
    return;                                                ///IMC is not enabled
  }

  ReadECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
  if ( Msgdata != 0xfa) {
    ReadECmsg (MSG_REGA, AccessWidth8, &Msgdata, StdHeader);
    if ( Msgdata != 0x5A ) {
      ReadECmsg (MSG_REGB, AccessWidth8, &Msgdata, StdHeader);
      if ( Msgdata != 0xA5 ) {
        // Set up MSG_REGA = 0x5A and MSG_REGB = 0xA5 as a flag to indicate IMC has been
        // reset once already, this is to prevent repeating the reset forever.
        Msgdata = 0x5A;
        WriteECmsg (MSG_REGA, AccessWidth8, &Msgdata, StdHeader);
        Msgdata = 0xA5;
        WriteECmsg (MSG_REGB, AccessWidth8, &Msgdata, StdHeader);
        SoftwareDisableImc (LocalCfgPtr);
      }
    }
  }
}