coreboot-kgpe-d16/src/mainboard/amd/inagua/PlatformGnbPcie.c

159 lines
5.9 KiB
C
Raw Normal View History

/*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "AGESA.h"
#include "amdlib.h"
#include "Ids.h"
#include "heapManager.h"
#include "PlatformGnbPcieComplex.h"
#include "Filecode.h"
#define FILECODE PROC_RECOVERY_MEM_NB_ON_MRNON_FILECODE
/*---------------------------------------------------------------------------------------*/
/**
* 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] **PeiServices
* @param[in] *InitEarly
*
* @retval VOID
*
**/
/*---------------------------------------------------------------------------------------*/
VOID
OemCustomizeInitEarly (
IN OUT AMD_EARLY_PARAMS *InitEarly
)
{
AGESA_STATUS Status;
VOID *BrazosPcieComplexListPtr;
VOID *BrazosPciePortPtr;
VOID *BrazosPcieDdiPtr;
ALLOCATE_HEAP_PARAMS AllocHeapParams;
PCIe_PORT_DESCRIPTOR PortList [] = {
// Initialize Port descriptor (PCIe port, Lanes 4, PCI Device Number 4, ...) MXM
{
0, //Descriptor flags !!!IMPORTANT!!! Terminate last element of array
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 4, 5),
PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT4_PORT_PRESENT, GNB_GPP_PORT4_CHANNEL_TYPE, 4, GNB_GPP_PORT4_HOTPLUG_SUPPORT, GNB_GPP_PORT4_SPEED_MODE, GNB_GPP_PORT4_SPEED_MODE, GNB_GPP_PORT4_LINK_ASPM, 4)
},
// Initialize Port descriptor (PCIe port, Lanes 6, PCI Device Number 6, ...) PCIE LAN
{
0, //Descriptor flags !!!IMPORTANT!!! Terminate last element of array
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 6, 6),
PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT6_PORT_PRESENT, GNB_GPP_PORT6_CHANNEL_TYPE, 6, GNB_GPP_PORT6_HOTPLUG_SUPPORT, GNB_GPP_PORT6_SPEED_MODE, GNB_GPP_PORT6_SPEED_MODE, GNB_GPP_PORT6_LINK_ASPM, 6)
},
// Initialize Port descriptor (PCIe port, Lanes 7, PCI Device Number 7, ...) MINIPCIE SLOT1
{
0,
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 7, 7),
PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT7_PORT_PRESENT, GNB_GPP_PORT7_CHANNEL_TYPE, 7, GNB_GPP_PORT7_HOTPLUG_SUPPORT, GNB_GPP_PORT7_SPEED_MODE, GNB_GPP_PORT7_SPEED_MODE, GNB_GPP_PORT7_LINK_ASPM, 7)
},
// Initialize Port descriptor (PCIe port, Lanes 8, PCI Device Number 8, ...)
{
DESCRIPTOR_TERMINATE_LIST, //Descriptor flags !!!IMPORTANT!!! Terminate last element of array
PCIE_ENGINE_DATA_INITIALIZER (PciePortEngine, 0, 3),
PCIE_PORT_DATA_INITIALIZER (GNB_GPP_PORT8_PORT_PRESENT, GNB_GPP_PORT8_CHANNEL_TYPE, 8, GNB_GPP_PORT8_HOTPLUG_SUPPORT, GNB_GPP_PORT8_SPEED_MODE, GNB_GPP_PORT8_SPEED_MODE, GNB_GPP_PORT8_LINK_ASPM, 0)
}
};
PCIe_DDI_DESCRIPTOR DdiList [] = {
// Initialize Ddi descriptor (DDI interface Lanes 8:11, DdA, ...) DP0 to LVDS
{
0, //Descriptor flags
PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 8, 11),
PCIE_DDI_DATA_INITIALIZER (ConnectorTypeLvds, Aux1, Hdp1)
},
// Initialize Ddi descriptor (DDI interface Lanes 12:15, DdB, ...) DP1 to VGA
{
DESCRIPTOR_TERMINATE_LIST, //Descriptor flags !!!IMPORTANT!!! Terminate last element of array
PCIE_ENGINE_DATA_INITIALIZER (PcieDdiEngine, 12, 15),
PCIE_DDI_DATA_INITIALIZER (ConnectorTypeAutoDetect, Aux2, Hdp2)
}
};
PCIe_COMPLEX_DESCRIPTOR Brazos = {
DESCRIPTOR_TERMINATE_LIST,
0,
&PortList[0],
&DdiList[0]
};
// GNB PCIe topology Porting
//
// Allocate buffer for PCIe_COMPLEX_DESCRIPTOR , PCIe_PORT_DESCRIPTOR and PCIe_DDI_DESCRIPTOR
//
AMD Brazos/Trinity boards: PlatformGnbPcie.c: Reserve correct amount of memory In `PlatformGnbPcie.c` AGESA functions are used to reserve memory space to save the PCIe configuration to. This is the With the following definitions in `AGESA.h` $ more src/vendorcode/amd/agesa/f14/AGESA.h […] /// PCIe port descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in complex */ IN PCIe_ENGINE_DATA EngineData; ///< Engine data IN PCIe_PORT_DATA Port; ///< PCIe port specific configuration info } PCIe_PORT_DESCRIPTOR; /// DDI descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in complex */ IN PCIe_ENGINE_DATA EngineData; ///< Engine data IN PCIe_DDI_DATA Ddi; ///< DDI port specific configuration info } PCIe_DDI_DESCRIPTOR; /// PCIe Complex descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in topology */ IN UINT32 SocketId; ///< Socket Id IN PCIe_PORT_DESCRIPTOR *PciePortList; ///< Pointer to array of PCIe port descriptors or NULL (Last element of array must be terminated with DESCRIPTOR_TERMINATE_LIST). IN PCIe_DDI_DESCRIPTOR *DdiLinkList; ///< Pointer to array DDI link descriptors (Last element of array must be terminated with DESCRIPTOR_TERMINATE_LIST). IN VOID *Reserved; ///< Reserved for future use } PCIe_COMPLEX_DESCRIPTOR; […] memory has to be reserved for the `PCIe_COMPLEX_DESCRIPTOR` and, as two struct members are pointers to arrays with elements of type `PCIe_PORT_DESCRIPTOR` and `PCIe_DDI_DESCRIPTOR`, space for these times the number of array elements have to be reserved: a + b * 5 + c * 2. sizeof(PCIe_COMPLEX_DESCRIPTOR) + sizeof(PCIe_PORT_DESCRIPTOR) * 5 + sizeof(PCIe_DDI_DESCRIPTOR) * 2; But for whatever reason parentheses were put in there making this calculation incorrect and reserving too much memory. (a + b * 5 + c) * 2 So, remove the parentheses to reserve the exact amount of memory needed. The ASRock E350M1 still boots with these changes. No changes were observed as expected. Rudolf Marek made this change as part of his patch »ASUS F2A85-M: Correct and clean up PCIe config« [1]. Factor this hunk out as it affects all AMD Brazos and Trinity based boards. [1] http://review.coreboot.org/#/c/3194/ Change-Id: I32e8c8a3dfc5e87eb119eb17719d612e57e0817a Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/3239 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
2013-05-10 09:23:42 +02:00
AllocHeapParams.RequestedBufferSize = sizeof (PCIe_COMPLEX_DESCRIPTOR) +
sizeof (PCIe_PORT_DESCRIPTOR) * 4 +
AMD Brazos/Trinity boards: PlatformGnbPcie.c: Reserve correct amount of memory In `PlatformGnbPcie.c` AGESA functions are used to reserve memory space to save the PCIe configuration to. This is the With the following definitions in `AGESA.h` $ more src/vendorcode/amd/agesa/f14/AGESA.h […] /// PCIe port descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in complex */ IN PCIe_ENGINE_DATA EngineData; ///< Engine data IN PCIe_PORT_DATA Port; ///< PCIe port specific configuration info } PCIe_PORT_DESCRIPTOR; /// DDI descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in complex */ IN PCIe_ENGINE_DATA EngineData; ///< Engine data IN PCIe_DDI_DATA Ddi; ///< DDI port specific configuration info } PCIe_DDI_DESCRIPTOR; /// PCIe Complex descriptor typedef struct { IN UINT32 Flags; /**< Descriptor flags * @li @b Bit31 - last descriptor in topology */ IN UINT32 SocketId; ///< Socket Id IN PCIe_PORT_DESCRIPTOR *PciePortList; ///< Pointer to array of PCIe port descriptors or NULL (Last element of array must be terminated with DESCRIPTOR_TERMINATE_LIST). IN PCIe_DDI_DESCRIPTOR *DdiLinkList; ///< Pointer to array DDI link descriptors (Last element of array must be terminated with DESCRIPTOR_TERMINATE_LIST). IN VOID *Reserved; ///< Reserved for future use } PCIe_COMPLEX_DESCRIPTOR; […] memory has to be reserved for the `PCIe_COMPLEX_DESCRIPTOR` and, as two struct members are pointers to arrays with elements of type `PCIe_PORT_DESCRIPTOR` and `PCIe_DDI_DESCRIPTOR`, space for these times the number of array elements have to be reserved: a + b * 5 + c * 2. sizeof(PCIe_COMPLEX_DESCRIPTOR) + sizeof(PCIe_PORT_DESCRIPTOR) * 5 + sizeof(PCIe_DDI_DESCRIPTOR) * 2; But for whatever reason parentheses were put in there making this calculation incorrect and reserving too much memory. (a + b * 5 + c) * 2 So, remove the parentheses to reserve the exact amount of memory needed. The ASRock E350M1 still boots with these changes. No changes were observed as expected. Rudolf Marek made this change as part of his patch »ASUS F2A85-M: Correct and clean up PCIe config« [1]. Factor this hunk out as it affects all AMD Brazos and Trinity based boards. [1] http://review.coreboot.org/#/c/3194/ Change-Id: I32e8c8a3dfc5e87eb119eb17719d612e57e0817a Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/3239 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
2013-05-10 09:23:42 +02:00
sizeof (PCIe_DDI_DESCRIPTOR) * 2;
AllocHeapParams.BufferHandle = AMD_MEM_MISC_HANDLES_START;
AllocHeapParams.Persist = HEAP_LOCAL_CACHE;
Status = HeapAllocateBuffer (&AllocHeapParams, &InitEarly->StdHeader);
if ( Status!= AGESA_SUCCESS) {
// Could not allocate buffer for PCIe_COMPLEX_DESCRIPTOR , PCIe_PORT_DESCRIPTOR and PCIe_DDI_DESCRIPTOR
ASSERT(FALSE);
return;
}
BrazosPcieComplexListPtr = (PCIe_COMPLEX_DESCRIPTOR *) AllocHeapParams.BufferPtr;
AllocHeapParams.BufferPtr += sizeof (PCIe_COMPLEX_DESCRIPTOR);
BrazosPciePortPtr = (PCIe_PORT_DESCRIPTOR *)AllocHeapParams.BufferPtr;
AllocHeapParams.BufferPtr += sizeof (PCIe_PORT_DESCRIPTOR) * 4;
BrazosPcieDdiPtr = (PCIe_DDI_DESCRIPTOR *) AllocHeapParams.BufferPtr;
LibAmdMemFill (BrazosPcieComplexListPtr,
0,
sizeof (PCIe_COMPLEX_DESCRIPTOR),
&InitEarly->StdHeader);
LibAmdMemFill (BrazosPciePortPtr,
0,
sizeof (PCIe_PORT_DESCRIPTOR) * 4,
&InitEarly->StdHeader);
LibAmdMemFill (BrazosPcieDdiPtr,
0,
sizeof (PCIe_DDI_DESCRIPTOR) * 2,
&InitEarly->StdHeader);
LibAmdMemCopy (BrazosPcieComplexListPtr, &Brazos, sizeof (PCIe_COMPLEX_DESCRIPTOR), &InitEarly->StdHeader);
LibAmdMemCopy (BrazosPciePortPtr, &PortList[0], sizeof (PCIe_PORT_DESCRIPTOR) * 4, &InitEarly->StdHeader);
LibAmdMemCopy (BrazosPcieDdiPtr, &DdiList[0], sizeof (PCIe_DDI_DESCRIPTOR) *2, &InitEarly->StdHeader);
((PCIe_COMPLEX_DESCRIPTOR*)BrazosPcieComplexListPtr)->PciePortList = (PCIe_PORT_DESCRIPTOR*)BrazosPciePortPtr;
((PCIe_COMPLEX_DESCRIPTOR*)BrazosPcieComplexListPtr)->DdiLinkList = (PCIe_DDI_DESCRIPTOR*)BrazosPcieDdiPtr;
InitEarly->GnbConfig.PcieComplexList = BrazosPcieComplexListPtr;
InitEarly->GnbConfig.PsppPolicy = 0;
}