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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "agesawrapper.h"
#include "amdlib.h"
#include "BiosCallOuts.h"
#include "heapManager.h"
#include <northbridge/amd/agesa/family14/dimmSpd.h>
STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
{
{AGESA_ALLOCATE_BUFFER,
BiosAllocateBuffer
},
{AGESA_DEALLOCATE_BUFFER,
BiosDeallocateBuffer
},
{AGESA_DO_RESET,
BiosReset
},
{AGESA_LOCATE_BUFFER,
BiosLocateBuffer
},
{AGESA_READ_SPD,
BiosReadSpd
},
{AGESA_READ_SPD_RECOVERY,
BiosDefaultRet
},
{AGESA_RUNFUNC_ONAP,
BiosRunFuncOnAp
},
{AGESA_GNB_PCIE_SLOT_RESET,
BiosGnbPcieSlotReset
},
{AGESA_HOOKBEFORE_DRAM_INIT,
BiosHookBeforeDramInit
},
{AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY,
BiosHookBeforeDramInitRecovery
},
{AGESA_HOOKBEFORE_DQS_TRAINING,
BiosHookBeforeDQSTraining
},
{AGESA_HOOKBEFORE_EXIT_SELF_REF,
BiosHookBeforeExitSelfRefresh
},
};
AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINTN i;
AGESA_STATUS CalloutStatus;
UINTN CallOutCount = sizeof (BiosCallouts) / sizeof (BiosCallouts [0]);
/*
* printk(BIOS_SPEW,"%s function: %x\n", __func__, (u32) Func);
*/
CalloutStatus = AGESA_UNSUPPORTED;
for (i = 0; i < CallOutCount; i++) {
if (BiosCallouts[i].CalloutName == Func) {
CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr);
return CalloutStatus;
}
}
return CalloutStatus;
}
/* Call the host environment interface to provide a user hook opportunity. */
AGESA_STATUS BiosHookBeforeDQSTraining (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
return AGESA_SUCCESS;
}
/* Call the host environment interface to provide a user hook opportunity. */
AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
MEM_DATA_STRUCT *MemData = ConfigPtr;
printk(BIOS_INFO, "Setting DDR3 voltage: ");
FCH_IOMUX(65) = 1; // GPIO65: VMEM_LV_EN# lowers VMEM from 1.5 to 1.35V
switch (MemData->ParameterListPtr->DDR3Voltage) {
case VOLT1_25: // board is not able to provide this
MemData->ParameterListPtr->DDR3Voltage = VOLT1_35; // sorry
printk(BIOS_INFO, "can't provide 1.25 V, using ");
// fall through
default: // AGESA.h says in mixed case 1.5V DIMMs get excluded
case VOLT1_35:
FCH_GPIO(65) = 0x08; // = output, disable PU, set to 0
printk(BIOS_INFO, "1.35 V\n");
break;
case VOLT1_5:
FCH_GPIO(65) = 0xC8; // = output, disable PU, set to 1
printk(BIOS_INFO, "1.5 V\n");
}
return AGESA_SUCCESS;
}
/* Call the host environment interface to provide a user hook opportunity. */
AGESA_STATUS BiosHookBeforeDramInitRecovery (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
return AGESA_SUCCESS;
}
/* Call the host environment interface to provide a user hook opportunity. */
AGESA_STATUS BiosHookBeforeExitSelfRefresh (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
return AGESA_SUCCESS;
}
/* PCIE slot reset control */
AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
// COM Express doesn't provide dedicated resets for individual lanes
// and it's not needed for the on-board Intel I210 GbE controller.
return AGESA_UNSUPPORTED;
}
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