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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 "Ids.h"
#include "OptionsIds.h"
#include "heapManager.h"
#include <northbridge/amd/agesa/family15/dimmSpd.h>
#include <arch/io.h>
#ifdef __PRE_RAM__
/* These defines are used to select the appropriate socket for the SPD read
* because this is a multi-socket design.
*/
#define PCI_REG_GPIO_56_to_53_CNTRL (0x52)
#define GPIO_OUT_BIT_GPIO53 (BIT0)
#define GPIO_OUT_BIT_GPIO54 (BIT1)
#define GPIO_OUT_ENABLE_BIT_GPIO53 (BIT4)
#define GPIO_OUT_ENABLE_BIT_GPIO54 (BIT5)
#define GPIO_OUT_BIT_GPIO54_to_53_MASK \
(GPIO_OUT_BIT_GPIO54 | GPIO_OUT_BIT_GPIO53)
#define GPIO_OUT_ENABLE_BIT_GPIO54_to_53_MASK \
(GPIO_OUT_ENABLE_BIT_GPIO54 | GPIO_OUT_ENABLE_BIT_GPIO53)
static UINT8 select_socket(UINT8 socket_id)
{
device_t sm_dev = PCI_DEV(0, 0x14, 0); //SMBus
UINT8 value = 0;
UINT8 gpio56_to_53 = 0;
/* Configure GPIO54,53 to select the desired socket
* GPIO54,53 control the HC4052 S1,S0
* S1 S0 true table
* 0 0 channel 1 (Socket1)
* 0 1 channel 2 (Socket2)
* 1 0 channel 3 (Socket3)
* 1 1 channel 4 (Socket4)
*/
gpio56_to_53 = pci_read_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL);
value = gpio56_to_53 & (~GPIO_OUT_BIT_GPIO54_to_53_MASK);
value |= socket_id;
value &= (~GPIO_OUT_ENABLE_BIT_GPIO54_to_53_MASK); // 0=Output Enabled, 1=Tristate
pci_write_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL, value);
return gpio56_to_53;
}
static void restore_socket(UINT8 original_value)
{
device_t sm_dev = PCI_DEV(0, 0x14, 0); //SMBus
pci_write_config8(sm_dev, PCI_REG_GPIO_56_to_53_CNTRL, original_value);
}
#endif
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_GET_IDS_INIT_DATA,
BiosGetIdsInitData
},
{
AGESA_HOOKBEFORE_DQS_TRAINING,
BiosHookBeforeDQSTraining
},
{
AGESA_HOOKBEFORE_DRAM_INIT,
BiosHookBeforeDramInit
},
{
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]);
for (i = 0; i < CallOutCount; i++) {
if (BiosCallouts[i].CalloutName == Func) {
break;
}
}
if(i >= CallOutCount) {
return AGESA_UNSUPPORTED;
}
CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr);
return CalloutStatus;
}
CONST IDS_NV_ITEM IdsData[] =
{
/*{
AGESA_IDS_NV_MAIN_PLL_CON,
0x1
},
{
AGESA_IDS_NV_MAIN_PLL_FID_EN,
0x1
},
{
AGESA_IDS_NV_MAIN_PLL_FID,
0x8
},
{
AGESA_IDS_NV_CUSTOM_NB_PSTATE,
},
{
AGESA_IDS_NV_CUSTOM_NB_P0_DIV_CTRL,
},
{
AGESA_IDS_NV_CUSTOM_NB_P1_DIV_CTRL,
},
{
AGESA_IDS_NV_FORCE_NB_PSTATE,
},
*/
{
0xFFFF,
0xFFFF
}
};
#define NUM_IDS_ENTRIES (sizeof (IdsData) / sizeof (IDS_NV_ITEM))
AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
UINTN i;
IDS_NV_ITEM *IdsPtr;
IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr;
if (Data == IDS_CALLOUT_INIT) {
for (i = 0; i < NUM_IDS_ENTRIES; i++) {
IdsPtr[i].IdsNvValue = IdsData[i].IdsNvValue;
IdsPtr[i].IdsNvId = IdsData[i].IdsNvId;
}
}
return AGESA_SUCCESS;
}
AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
AGESA_STATUS Status;
#ifdef __PRE_RAM__
UINT8 original_value = 0;
if (ConfigPtr == NULL)
return AGESA_ERROR;
original_value = select_socket(((AGESA_READ_SPD_PARAMS *)ConfigPtr)->SocketId);
Status = agesa_ReadSPD (Func, Data, ConfigPtr);
restore_socket(original_value);
#else
Status = AGESA_UNSUPPORTED;
#endif
return Status;
}
/* 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)
{
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;
}
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