2011-02-14 20:04:45 +01:00
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2011 Advanced Micro Devices, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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2013-02-23 18:37:27 +01:00
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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2011-02-14 20:04:45 +01:00
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*/
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2011-10-31 20:56:45 +01:00
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2014-07-10 21:16:58 +02:00
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#include "AGESA.h"
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2011-02-14 20:04:45 +01:00
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#include "amdlib.h"
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#include "BiosCallOuts.h"
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#include "heapManager.h"
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#include "SB800.h"
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2014-10-18 06:51:03 +02:00
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#include <southbridge/amd/cimx/sb800/gpio_oem.h>
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2014-05-05 12:20:56 +02:00
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#include <stdlib.h>
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2011-02-14 20:04:45 +01:00
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2014-05-05 17:56:33 +02:00
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static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
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static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
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2014-05-05 12:20:56 +02:00
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const BIOS_CALLOUT_STRUCT BiosCallouts[] =
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2011-02-14 20:04:45 +01:00
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{
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2014-05-04 10:42:55 +02:00
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{AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer },
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{AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer },
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{AGESA_LOCATE_BUFFER, agesa_LocateBuffer },
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2014-05-04 22:13:54 +02:00
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{AGESA_DO_RESET, agesa_Reset },
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2014-10-17 21:33:22 +02:00
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{AGESA_READ_SPD, agesa_ReadSpd },
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2014-05-04 16:07:45 +02:00
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{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },
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2014-05-05 11:05:53 +02:00
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{AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp },
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2014-05-05 17:56:33 +02:00
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{AGESA_GNB_PCIE_SLOT_RESET, board_GnbPcieSlotReset },
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{AGESA_HOOKBEFORE_DRAM_INIT, board_BeforeDramInit },
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2014-05-04 16:07:45 +02:00
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{AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopSuccess },
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{AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess },
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{AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess },
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2011-02-14 20:04:45 +01:00
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};
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2014-05-05 12:20:56 +02:00
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const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
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2011-02-14 20:04:45 +01:00
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/* Call the host environment interface to provide a user hook opportunity. */
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2014-05-05 17:56:33 +02:00
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static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
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2011-02-14 20:04:45 +01:00
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{
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2012-01-19 06:25:55 +01:00
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AGESA_STATUS Status;
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UINTN FcnData;
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MEM_DATA_STRUCT *MemData;
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UINT32 AcpiMmioAddr;
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UINT32 GpioMmioAddr;
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UINT8 Data8;
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UINT16 Data16;
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UINT8 TempData8;
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FcnData = Data;
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MemData = ConfigPtr;
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Status = AGESA_SUCCESS;
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2012-01-19 06:18:36 +01:00
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/* Get SB MMIO Base (AcpiMmioAddr) */
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2012-01-19 06:25:55 +01:00
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WriteIo8 (0xCD6, 0x27);
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Data8 = ReadIo8(0xCD7);
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Data16 = Data8<<8;
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WriteIo8 (0xCD6, 0x26);
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Data8 = ReadIo8(0xCD7);
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Data16 |= Data8;
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AcpiMmioAddr = (UINT32)Data16 << 16;
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GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
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Data8 &= ~BIT5;
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TempData8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG178);
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TempData8 &= 0x03;
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TempData8 |= Data8;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, TempData8);
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Data8 |= BIT2+BIT3;
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Data8 &= ~BIT4;
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TempData8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG178);
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TempData8 &= 0x23;
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TempData8 |= Data8;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, TempData8);
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
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Data8 &= ~BIT5;
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TempData8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG179);
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TempData8 &= 0x03;
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TempData8 |= Data8;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, TempData8);
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Data8 |= BIT2+BIT3;
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Data8 &= ~BIT4;
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TempData8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG179);
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TempData8 &= 0x23;
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TempData8 |= Data8;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, TempData8);
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switch(MemData->ParameterListPtr->DDR3Voltage){
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case VOLT1_35:
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG178);
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Data8 &= ~(UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG179);
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Data8 |= (UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
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break;
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case VOLT1_25:
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG178);
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Data8 &= ~(UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG179);
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Data8 &= ~(UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
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break;
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case VOLT1_5:
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default:
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG178);
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Data8 |= (UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
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Data8 = Read64Mem8 (GpioMmioAddr+SB_GPIO_REG179);
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Data8 &= ~(UINT8)BIT6;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
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}
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return Status;
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2011-02-14 20:04:45 +01:00
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}
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2012-01-19 06:18:36 +01:00
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2011-02-14 20:04:45 +01:00
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/* PCIE slot reset control */
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2014-05-05 17:56:33 +02:00
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static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
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2011-02-14 20:04:45 +01:00
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{
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2012-01-19 06:25:55 +01:00
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AGESA_STATUS Status;
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UINTN FcnData;
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PCIe_SLOT_RESET_INFO *ResetInfo;
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UINT32 GpioMmioAddr;
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UINT32 AcpiMmioAddr;
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UINT8 Data8;
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UINT16 Data16;
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FcnData = Data;
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ResetInfo = ConfigPtr;
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// Get SB800 MMIO Base (AcpiMmioAddr)
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WriteIo8(0xCD6, 0x27);
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Data8 = ReadIo8(0xCD7);
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Data16=Data8<<8;
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WriteIo8(0xCD6, 0x26);
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Data8 = ReadIo8(0xCD7);
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Data16|=Data8;
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AcpiMmioAddr = (UINT32)Data16 << 16;
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Status = AGESA_UNSUPPORTED;
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GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
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switch (ResetInfo->ResetId)
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{
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case 4:
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switch (ResetInfo->ResetControl) {
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case AssertSlotReset:
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG21);
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Data8 &= ~(UINT8)BIT6 ;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG21, Data8); // MXM_GPIO0. GPIO21
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Status = AGESA_SUCCESS;
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break;
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case DeassertSlotReset:
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG21);
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Data8 |= BIT6 ;
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Write64Mem8 (GpioMmioAddr+SB_GPIO_REG21, Data8); // MXM_GPIO0. GPIO21
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Status = AGESA_SUCCESS;
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break;
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}
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break;
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case 6:
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switch (ResetInfo->ResetControl) {
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case AssertSlotReset:
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG25);
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Data8 &= ~(UINT8)BIT6 ;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG25, Data8); // PCIE_RST#_LAN, GPIO25
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Status = AGESA_SUCCESS;
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break;
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case DeassertSlotReset:
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG25);
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Data8 |= BIT6 ;
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Write64Mem8 (GpioMmioAddr+SB_GPIO_REG25, Data8); // PCIE_RST#_LAN, GPIO25
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Status = AGESA_SUCCESS;
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break;
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}
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break;
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case 7:
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switch (ResetInfo->ResetControl) {
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case AssertSlotReset:
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG02);
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Data8 &= ~(UINT8)BIT6 ;
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Write64Mem8(GpioMmioAddr+SB_GPIO_REG02, Data8); // MPCIE_RST0, GPIO02
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Status = AGESA_SUCCESS;
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break;
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case DeassertSlotReset:
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2013-02-18 18:56:48 +01:00
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Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG02);
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2012-01-19 06:25:55 +01:00
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Data8 |= BIT6 ;
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Write64Mem8 (GpioMmioAddr+SB_GPIO_REG02, Data8); // MPCIE_RST0, GPIO02
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Status = AGESA_SUCCESS;
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break;
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}
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break;
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}
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return Status;
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2011-02-14 20:04:45 +01:00
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}
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