OemCustomize.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <AGESA.h>
#include <PlatformMemoryConfiguration.h>
 
#include <northbridge/amd/agesa/state_machine.h>
 
static const PCIe_PORT_DESCRIPTOR PortList[] = {
        // Initialize Port descriptor (PCIe port, Lanes 4, PCI Device Number 4, ...)
        {
                0,
                PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 4, 7),
                PCIE_PORT_DATA_INITIALIZER(PortEnabled, ChannelTypeExt6db, 4,
                                HotplugDisabled,
                                PcieGen2,
                                PcieGen2,
                                AspmL0sL1, 0)
        },
        // Initialize Port descriptor (PCIe port, Lanes 8, PCI Device Number 8, ...)
        {
                DESCRIPTOR_TERMINATE_LIST,
                PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 0, 3),
                PCIE_PORT_DATA_INITIALIZER(PortEnabled, ChannelTypeExt6db, 8,
                                HotplugDisabled,
                                PcieGen2,
                                PcieGen2,
                                AspmL0sL1, 0)
        }
};
 
static const PCIe_DDI_DESCRIPTOR DdiList[] = {
        // Initialize Ddi descriptor (DDI interface Lanes 8:11, DdA, ...)
        {
                0,
                PCIE_ENGINE_DATA_INITIALIZER(PcieDdiEngine, 8, 11),
                PCIE_DDI_DATA_INITIALIZER(ConnectorTypeDP, Aux1, Hdp1)
        },
        // Initialize Ddi descriptor (DDI interface Lanes 12:15, DdB, ...)
        {
                DESCRIPTOR_TERMINATE_LIST,
                PCIE_ENGINE_DATA_INITIALIZER(PcieDdiEngine, 12, 15),
                PCIE_DDI_DATA_INITIALIZER(ConnectorTypeDP, Aux2, Hdp2)
        }
};
 
static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
        .Flags        = DESCRIPTOR_TERMINATE_LIST,
        .SocketId     = 0,
        .PciePortList = PortList,
        .DdiLinkList  = DdiList,
};
 
void board_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *InitEarly)
{
        InitEarly->GnbConfig.PcieComplexList = &PcieComplex;
        InitEarly->GnbConfig.PsppPolicy         = 0;
}
 
/*----------------------------------------------------------------------------------------
 *                        CUSTOMER OVERRIDES 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.
 */
static CONST PSO_ENTRY ROMDATA PlatformMemoryTable[] = {
  NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, ANY_CHANNEL, 2),
  NUMBER_OF_CHANNELS_SUPPORTED(ANY_SOCKET, 1),
  PSO_END
};
 
void board_BeforeInitPost(struct sysinfo *cb, AMD_POST_PARAMS *InitPost)
{
        InitPost->MemConfig.PlatformMemoryConfiguration = (PSO_ENTRY *)PlatformMemoryTable;
}