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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 "SB800.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)
{
// Unlike e.g. AMD Inagua, Persimmon is unable to vary the RAM voltage.
// Make sure the right speed settings are selected.
((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5;
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)
{
AGESA_STATUS Status;
UINTN FcnData;
PCIe_SLOT_RESET_INFO *ResetInfo;
UINT32 GpioMmioAddr;
UINT32 AcpiMmioAddr;
UINT8 Data8;
UINT16 Data16;
FcnData = Data;
ResetInfo = ConfigPtr;
// Get SB800 MMIO Base (AcpiMmioAddr)
WriteIo8(0xCD6, 0x27);
Data8 = ReadIo8(0xCD7);
Data16=Data8<<8;
WriteIo8(0xCD6, 0x26);
Data8 = ReadIo8(0xCD7);
Data16|=Data8;
AcpiMmioAddr = (UINT32)Data16 << 16;
Status = AGESA_UNSUPPORTED;
GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
switch (ResetInfo->ResetId)
{
case 46: // GPIO50 = SBGPIO_PCIE_RST# affects LAN0, LAN1, PCIe slot
switch (ResetInfo->ResetControl) {
case AssertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
Data8 &= ~(UINT8)BIT6 ;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG50, Data8);
Status = AGESA_SUCCESS;
break;
case DeassertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
Data8 |= BIT6 ;
Write64Mem8 (GpioMmioAddr+SB_GPIO_REG50, Data8);
Status = AGESA_SUCCESS;
break;
}
break;
}
return Status;
}
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