src/mainboard/pcengines/apu2/OemCustomize.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 <northbridge/amd/pi/agesawrapper.h>


static const PCIe_PORT_DESCRIPTOR PortList[] = {
	{
		0,
		PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 3, 3),
		PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 5,
				HotplugDisabled,
				PcieGenMaxSupported,
				PcieGenMaxSupported,
				AspmDisabled, 0x01, 0)
	},
	/* Initialize Port descriptor (PCIe port, Lanes 1, PCI Device Number 2, ...) */
	{
		0,
		PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 2, 2),
		PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 4,
				HotplugDisabled,
				PcieGenMaxSupported,
				PcieGenMaxSupported,
				AspmDisabled, 0x02, 0)
	},
	/* Initialize Port descriptor (PCIe port, Lanes 2, PCI Device Number 2, ...) */
	{
		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, Lanes 3, PCI Device Number 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 4, ...) */
	{
		DESCRIPTOR_TERMINATE_LIST,
		PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 4, 7),
		PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 1,
				HotplugDisabled,
				PcieGenMaxSupported,
				PcieGenMaxSupported,
				AspmDisabled, 0x05, 0)
	}
};

static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
	.Flags        = DESCRIPTOR_TERMINATE_LIST,
	.SocketId     = 0,
	.PciePortList = PortList,
	.DdiLinkList  = NULL,
};

/*---------------------------------------------------------------------------------------*/
/**
 *  OemCustomizeInitEarly
 *
 *  Description:
 *    This 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
 *
 **/
/*---------------------------------------------------------------------------------------*/
VOID
OemCustomizeInitEarly (
	IN  OUT AMD_EARLY_PARAMS    *InitEarly
	)
{
	InitEarly->GnbConfig.PcieComplexList = &PcieComplex;
	InitEarly->PlatformConfig.CStateMode = CStateModeC6;
	InitEarly->PlatformConfig.CpbMode = CpbModeAuto;
}