diff options
Diffstat (limited to 'src/mainboard/elmex/pcm205400/BiosCallOuts.c')
-rw-r--r-- | src/mainboard/elmex/pcm205400/BiosCallOuts.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/mainboard/elmex/pcm205400/BiosCallOuts.c b/src/mainboard/elmex/pcm205400/BiosCallOuts.c new file mode 100644 index 0000000000..9a2a9bb458 --- /dev/null +++ b/src/mainboard/elmex/pcm205400/BiosCallOuts.c @@ -0,0 +1,93 @@ +/* + * 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. + */ + +#include "AGESA.h" +#include "amdlib.h" +#include <northbridge/amd/agesa/BiosCallOuts.h> +#include "heapManager.h" +#include "SB800.h" +#include <stdlib.h> + +static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr); +static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN Data, VOID *ConfigPtr); + +const BIOS_CALLOUT_STRUCT BiosCallouts[] = +{ + {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, + {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, + {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, + {AGESA_GNB_PCIE_SLOT_RESET, board_GnbPcieSlotReset }, + {AGESA_HOOKBEFORE_DRAM_INIT, board_BeforeDramInit }, + {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopSuccess }, + {AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess }, + {AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess }, +}; +const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts); + +/* Call the host environment interface to provide a user hook opportunity. */ +static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN 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; +} + +/* PCIE slot reset control */ +static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN 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; +} |