/**
* ImcEnableSurebootTimer - IMC Enable Sureboot Timer.
*
*
* @param[in] FchDataPtr Fch configuration structure pointer.
*
*/
VOID
ImcEnableSurebootTimer (
IN VOID *FchDataPtr
)
{
UINT8 Msgdata;
FCH_DATA_BLOCK *LocalCfgPtr;
AMD_CONFIG_PARAMS *StdHeader;
LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
StdHeader = LocalCfgPtr->StdHeader;
ImcDisableSurebootTimer (LocalCfgPtr);
Msgdata = 0x00;
if (!(IsImcEnabled (StdHeader)) || (LocalCfgPtr->Imc.ImcSureBootTimer == 0)) {
return; ///IMC is not enabled
}
ImcWakeup (FchDataPtr);
WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
Msgdata = 0x01;
WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
Msgdata = ( (LocalCfgPtr->Imc.ImcSureBootTimer) << 6) -1;
WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
Msgdata = 0x94;
WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
WaitForEcLDN9MailboxCmdAck (StdHeader);
ImcSleep (FchDataPtr);
}
/**
* ImcDisarmSurebootTimer - IMC Disarm Sureboot Timer.
*
*
* @param[in] FchDataPtr Fch configuration structure pointer.
*
*/
VOID
ImcDisarmSurebootTimer (
IN VOID *FchDataPtr
)
{
FCH_DATA_BLOCK *LocalCfgPtr;
LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
ImcDisableSurebootTimer (LocalCfgPtr);
LocalCfgPtr->Imc.ImcSureBootTimer = 0;
}
