This patch binds PCIe lanes 2 and 3 to one PCIe device. PCIe device 2.4 becomes x2. Tested with the connected FPGA on PCIe 2.4. FPGA doubles transfer rate from/to the AMD. Payload SeaBIOS 1.9.1 stable, Lubuntu 16.04, Kernel 4.4.0 Change-Id: Icee567272312a7df4c3b5a6db5b420a054ec3230 Signed-off-by: Fabian Kunkel <fabi@adv.bruhnspace.com> Reviewed-on: https://review.coreboot.org/15905 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
181 lines
5.7 KiB
C
181 lines
5.7 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2012 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 "Ids.h"
|
|
#include "heapManager.h"
|
|
#include <PlatformMemoryConfiguration.h>
|
|
#include "Filecode.h"
|
|
|
|
#include <northbridge/amd/agesa/agesawrapper.h>
|
|
|
|
#define FILECODE PROC_GNB_PCIE_FAMILY_0X15_F15PCIECOMPLEXCONFIG_FILECODE
|
|
|
|
static const PCIe_PORT_DESCRIPTOR PortList [] = {
|
|
/* Initialize Port descriptor (PCIe port, Lanes 2-3, PCI Device Number 2, Function 4) */
|
|
{
|
|
0,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 2, 3),
|
|
PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 4,
|
|
HotplugBasic,
|
|
PcieGenMaxSupported,
|
|
PcieGenMaxSupported,
|
|
AspmDisabled, 0x02, 0)
|
|
},
|
|
/* Initialize Port descriptor (PCIe port, Lane 1, PCI Device Number 2, Function 3) */
|
|
{
|
|
0,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 1, 1),
|
|
PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 3,
|
|
HotplugDisabled,
|
|
PcieGenMaxSupported,
|
|
PcieGenMaxSupported,
|
|
AspmDisabled, 0x03, 0)
|
|
},
|
|
/* Initialize Port descriptor (PCIe port, Lane 0, PCI Device Number 2, Function 2) */
|
|
{
|
|
0,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 0, 0),
|
|
PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 2,
|
|
HotplugDisabled,
|
|
PcieGenMaxSupported,
|
|
PcieGenMaxSupported,
|
|
AspmDisabled, 0x04, 0)
|
|
},
|
|
/* Initialize Port descriptor (PCIe port, Lanes 4-7, PCI Device Number 2, Function 1) */
|
|
{
|
|
DESCRIPTOR_TERMINATE_LIST,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 4, 7),
|
|
PCIE_PORT_DATA_INITIALIZER_V2 (PortEnabled, ChannelTypeExt6db, 2, 1,
|
|
HotplugBasic,
|
|
PcieGenMaxSupported,
|
|
PcieGenMaxSupported,
|
|
AspmDisabled, 0x05, 0)
|
|
}
|
|
};
|
|
|
|
static const PCIe_DDI_DESCRIPTOR DdiList [] = {
|
|
/* eDP0 to LVDS connector*/
|
|
{
|
|
0,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 8, 11),
|
|
PCIE_DDI_DATA_INITIALIZER (ConnectorTypeDP, Aux1, Hdp1)
|
|
},
|
|
/* DP1 to HDMI */
|
|
{
|
|
DESCRIPTOR_TERMINATE_LIST,
|
|
PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 12, 15),
|
|
PCIE_DDI_DATA_INITIALIZER (ConnectorTypeHDMI, Aux2, Hdp2)
|
|
},
|
|
};
|
|
|
|
static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
|
|
.Flags = DESCRIPTOR_TERMINATE_LIST,
|
|
.SocketId = 0,
|
|
.PciePortList = PortList,
|
|
.DdiLinkList = DdiList
|
|
};
|
|
|
|
/*---------------------------------------------------------------------------------------*/
|
|
/**
|
|
* OemCustomizeInitEarly
|
|
*
|
|
* Description:
|
|
* This is the stub function will call the host environment through the binary block
|
|
* interface (call-out port) to provide a user hook opportunity
|
|
*
|
|
* Parameters:
|
|
* @param[in] *InitEarly
|
|
*
|
|
* @retval VOID
|
|
*
|
|
**/
|
|
/*---------------------------------------------------------------------------------------*/
|
|
|
|
static AGESA_STATUS OemInitEarly(AMD_EARLY_PARAMS * InitEarly)
|
|
{
|
|
AGESA_STATUS Status;
|
|
PCIe_COMPLEX_DESCRIPTOR *PcieComplexListPtr;
|
|
|
|
ALLOCATE_HEAP_PARAMS AllocHeapParams;
|
|
|
|
/* GNB PCIe topology Porting */
|
|
|
|
/* */
|
|
/* Allocate buffer for PCIe_COMPLEX_DESCRIPTOR , PCIe_PORT_DESCRIPTOR and PCIe_DDI_DESCRIPTOR */
|
|
/* */
|
|
AllocHeapParams.RequestedBufferSize = sizeof(PcieComplex);
|
|
|
|
AllocHeapParams.BufferHandle = AMD_MEM_MISC_HANDLES_START;
|
|
AllocHeapParams.Persist = HEAP_LOCAL_CACHE;
|
|
Status = HeapAllocateBuffer (&AllocHeapParams, &InitEarly->StdHeader);
|
|
ASSERT(Status == AGESA_SUCCESS);
|
|
|
|
PcieComplexListPtr = (PCIe_COMPLEX_DESCRIPTOR *) AllocHeapParams.BufferPtr;
|
|
LibAmdMemCopy (PcieComplexListPtr, &PcieComplex, sizeof(PcieComplex), &InitEarly->StdHeader);
|
|
InitEarly->GnbConfig.PcieComplexList = PcieComplexListPtr;
|
|
return AGESA_SUCCESS;
|
|
}
|
|
|
|
static AGESA_STATUS OemInitMid(AMD_MID_PARAMS * InitMid)
|
|
{
|
|
/* 0 iGpuVgaAdapter, 1 iGpuVgaNonAdapter; */
|
|
InitMid->GnbMidConfiguration.iGpuVgaMode = 0;
|
|
return AGESA_SUCCESS;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------------------
|
|
* CUSTOMER OVERIDES MEMORY TABLE
|
|
*----------------------------------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* Platform Specific Overriding Table allows IBV/OEM to pass in platform information to AGESA
|
|
* (e.g. MemClk routing, the number of DIMM slots per channel,...). If PlatformSpecificTable
|
|
* is populated, AGESA will base its settings on the data from the table. Otherwise, it will
|
|
* use its default conservative settings.
|
|
*/
|
|
CONST PSO_ENTRY ROMDATA DefaultPlatformMemoryConfiguration[] = {
|
|
|
|
#define SEED_WL 0x0E
|
|
WRITE_LEVELING_SEED(
|
|
ANY_SOCKET, CHANNEL_A, ALL_DIMMS,
|
|
SEED_WL,SEED_WL,SEED_WL,SEED_WL,SEED_WL,SEED_WL,SEED_WL,SEED_WL,
|
|
SEED_WL),
|
|
|
|
#define SEED_A 0x12
|
|
HW_RXEN_SEED(
|
|
ANY_SOCKET, CHANNEL_A, ALL_DIMMS,
|
|
SEED_A, SEED_A, SEED_A, SEED_A, SEED_A, SEED_A, SEED_A, SEED_A,
|
|
SEED_A),
|
|
|
|
NUMBER_OF_DIMMS_SUPPORTED (ANY_SOCKET, ANY_CHANNEL, 1),
|
|
NUMBER_OF_CHANNELS_SUPPORTED (ANY_SOCKET, 1),
|
|
MOTHER_BOARD_LAYERS (LAYERS_6),
|
|
|
|
MEMCLK_DIS_MAP (ANY_SOCKET, ANY_CHANNEL, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00),
|
|
CKE_TRI_MAP (ANY_SOCKET, ANY_CHANNEL, 0x01, 0x02, 0x04, 0x08), /* TODO: bit2map, bit3map */
|
|
ODT_TRI_MAP (ANY_SOCKET, ANY_CHANNEL, 0x01, 0x02, 0x04, 0x08),
|
|
CS_TRI_MAP (ANY_SOCKET, ANY_CHANNEL, 0x01, 0x02, 0x04, 0x08, 0x00, 0x00, 0x00, 0x00),
|
|
|
|
PSO_END
|
|
};
|
|
|
|
const struct OEM_HOOK OemCustomize = {
|
|
.InitEarly = OemInitEarly,
|
|
.InitMid = OemInitMid,
|
|
};
|