| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * External Interface implementation for non-coherent features. |
| * |
| * Contains routines for accessing the interface to the client BIOS, |
| * for non-coherent features. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: HyperTransport |
| * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * *************************************************************************** |
| * |
| */ |
| |
| /* |
| *---------------------------------------------------------------------------- |
| * MODULES USED |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| |
| |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "Ids.h" |
| #include "Topology.h" |
| #include "htFeat.h" |
| #include "htInterface.h" |
| #include "htInterfaceNonCoherent.h" |
| #include "htNb.h" |
| #include "Filecode.h" |
| CODE_GROUP (G1_PEICC) |
| RDATA_GROUP (G1_PEICC) |
| |
| #define FILECODE PROC_HT_HTINTERFACENONCOHERENT_FILECODE |
| /*---------------------------------------------------------------------------- |
| * DEFINITIONS AND MACROS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| #define UNUSED_ZERO_32 ((UINT32)0) |
| |
| /*---------------------------------------------------------------------------- |
| * TYPEDEFS AND STRUCTURES |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| /*---------------------------------------------------------------------------- |
| * EXPORTED FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| * LOCAL FUNCTIONS |
| * |
| *---------------------------------------------------------------------------- |
| */ |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get Manual BUID assignment list. |
| * |
| * @HtInterfaceMethod{::F_GET_MANUAL_BUID_SWAP_LIST} |
| * |
| * This routine is called every time a non-coherent chain is processed. BUID |
| * assignment may be controlled explicitly on a non-coherent chain. Swaps controls |
| * the BUID assignment and FinalIds provides the device to device Linking. Device |
| * orientation can be detected automatically, or explicitly. See documentation for |
| * more details. |
| * |
| * If a manual swap list is not supplied, automatic non-coherent init assigns BUIDs |
| * starting at 1 and incrementing sequentially based on each device's unit count. |
| * |
| * @param[in] Node The Node on which this chain is located |
| * @param[in] Link The Link on the host for this chain |
| * @param[out] List supply a pointer to a list. |
| * List is NOT valid unless routine returns TRUE. |
| * @param[in] State the input data |
| * |
| * @retval TRUE use a manual list |
| * @retval FALSE initialize the Link automatically |
| */ |
| BOOLEAN |
| GetManualBuidSwapList ( |
| IN UINT8 Node, |
| IN UINT8 Link, |
| OUT BUID_SWAP_LIST **List, |
| IN STATE_DATA *State |
| ) |
| { |
| MANUAL_BUID_SWAP_LIST *p; |
| BOOLEAN result; |
| UINT8 Socket; |
| UINT8 PackageLink; |
| |
| ASSERT ((Node < MAX_NODES) && (List != NULL)); |
| |
| result = FALSE; |
| Socket = State->HtInterface->GetSocketFromMap (Node, State); |
| PackageLink = State->Nb->GetPackageLink (Node, Link, State->Nb); |
| |
| if (State->HtBlock->ManualBuidSwapList != NULL) { |
| p = State->HtBlock->ManualBuidSwapList; |
| |
| while (p->Socket != HT_LIST_TERMINAL) { |
| if (((p->Socket == Socket) || (p->Socket == HT_LIST_MATCH_ANY)) && |
| ((p->Link == PackageLink) || (p->Link == HT_LIST_MATCH_ANY))) { |
| // Found a match implies TRUE, ignore the Link |
| result = TRUE; |
| *List = &(p->SwapList); |
| break; |
| } else { |
| p++; |
| } |
| } |
| } |
| // List is not valid if Result is FALSE. |
| return result; |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Override capabilities of a device. |
| * |
| * @HtInterfaceMethod{::F_GET_DEVICE_CAP_OVERRIDE} |
| * |
| * This routine is called once for every Link on every IO device. Update the width |
| * and frequency capability if needed for this device. This is used along with |
| * device capabilities, the limit call backs, and northbridge limits to compute the |
| * default settings. The components of the device's PCI config address are provided, |
| * so its settings can be consulted if need be. The input width and frequency are the |
| * reported device capabilities. |
| * |
| * @param[in] HostNode The Node on which this chain is located |
| * @param[in] HostLink The Link on the host for this chain |
| * @param[in] Depth The Depth in the I/O chain from the Host |
| * @param[in] PciAddress The Device's PCI config address (for callout) |
| * @param[in] DevVenId The Device's PCI Vendor + Device ID (offset 0x00) |
| * @param[in] Revision The Device's PCI Revision |
| * @param[in] Link The Device's Link number (0 or 1) |
| * @param[in,out] LinkWidthIn modify to change the Link Width In |
| * @param[in,out] LinkWidthOut modify to change the Link Width Out |
| * @param[in,out] FreqCap modify to change the Link's frequency capability |
| * @param[in,out] Clumping modify to change unit id clumping capability |
| * @param[in] State the input data and config header |
| * |
| */ |
| VOID |
| GetDeviceCapOverride ( |
| IN UINT8 HostNode, |
| IN UINT8 HostLink, |
| IN UINT8 Depth, |
| IN PCI_ADDR PciAddress, |
| IN UINT32 DevVenId, |
| IN UINT8 Revision, |
| IN UINT8 Link, |
| IN OUT UINT8 *LinkWidthIn, |
| IN OUT UINT8 *LinkWidthOut, |
| IN OUT UINT32 *FreqCap, |
| IN OUT UINT32 *Clumping, |
| IN STATE_DATA *State |
| ) |
| { |
| DEVICE_CAP_OVERRIDE *p; |
| UINT8 HostSocket; |
| UINT8 PackageLink; |
| DEVICE_CAP_CALLOUT_PARAMS CalloutParams; |
| AGESA_STATUS CalloutStatus; |
| |
| ASSERT ((HostNode < MAX_NODES) && (Depth < 32) && ((Link == 0) || (Link == 1))); |
| |
| HostSocket = State->HtInterface->GetSocketFromMap (HostNode, State); |
| PackageLink = State->Nb->GetPackageLink (HostNode, HostLink, State->Nb); |
| |
| if (State->HtBlock->DeviceCapOverrideList != NULL) { |
| p = State->HtBlock->DeviceCapOverrideList; |
| |
| while (p->HostSocket != HT_LIST_TERMINAL) { |
| if (((p->HostSocket == HostSocket) || (p->HostSocket == HT_LIST_MATCH_ANY)) && |
| ((p->HostLink == PackageLink) || (p->HostLink == HT_LIST_MATCH_ANY)) && |
| ((p->Depth == Depth) || (p->Depth == HT_LIST_MATCH_ANY)) && |
| ((p->Link == Link) || (p->Link == HT_LIST_MATCH_ANY)) && |
| // Found a potential match. Check the additional optional matches. |
| ((p->Options.IsCheckDevVenId == 0) || (p->DevVenId == DevVenId)) && |
| ((p->Options.IsCheckRevision == 0) || (p->Revision == Revision))) { |
| // |
| // Found a match. Check what override actions are desired. |
| // Unlike the PCB limit routines, which handle the info returned, |
| // deviceCapOverride is actually overriding the settings, so we need |
| // to check that the field actually has an update. |
| // The Callout is a catch all for situations the data is not up to handling. |
| // It is expected, but not enforced, that either the data overrides are used, |
| // or the callout is used, rather than both. |
| // |
| if (p->Options.IsOverrideWidthIn != 0) { |
| *LinkWidthIn = p->LinkWidthIn; |
| } |
| if (p->Options.IsOverrideWidthOut != 0) { |
| *LinkWidthOut = p->LinkWidthOut; |
| } |
| if (p->Options.IsOverrideFreq != 0) { |
| *FreqCap = p->FreqCap; |
| } |
| if (p->Options.IsOverrideClumping != 0) { |
| *Clumping = p->Clumping; |
| } |
| if (p->Options.IsDoCallout != 0) { |
| // |
| // Pass the actual info being matched, not the matched struct data. |
| // This callout is expected to be built in as part of the options file, and does not use the |
| // callout interface, even though we use the consistent interface declaration for the routine. |
| // So, the first two int parameters have no meaning in this case. |
| // It is not meaningful for the callout to have any status but Success. |
| // |
| CalloutParams.HostSocket = HostSocket; |
| CalloutParams.HostLink = PackageLink; |
| CalloutParams.Depth = Depth; |
| CalloutParams.DevVenId = DevVenId; |
| CalloutParams.Revision = Revision; |
| CalloutParams.Link = Link; |
| CalloutParams.PciAddress = PciAddress; |
| CalloutParams.LinkWidthIn = LinkWidthIn; |
| CalloutParams.LinkWidthOut = LinkWidthOut; |
| CalloutParams.FreqCap = FreqCap; |
| CalloutParams.Clumping = Clumping; |
| CalloutParams.StdHeader = *((AMD_CONFIG_PARAMS *) (State->ConfigHandle)); |
| CalloutStatus = p->Callout (UNUSED_ZERO_32, UNUSED_ZERO_32, (VOID *) &CalloutParams); |
| ASSERT (CalloutStatus == AGESA_SUCCESS); |
| } |
| break; |
| } else { |
| p++; |
| } |
| } |
| } |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Get limits for non-coherent Links. |
| * |
| * @HtInterfaceMethod{::F_GET_IO_PCB_LIMITS} |
| * |
| * For each non-coherent connection this routine is called once. Update the |
| * frequency and width if needed for this Link (usually based on board restriction). |
| * This is used with device capabilities, device overrides, and northbridge limits to |
| * compute the default settings. The input width and frequency are valid, but do not |
| * necessarily reflect the minimum setting that will be chosen. |
| * |
| * @param[in] HostNode The Node on which this Link is located |
| * @param[in] HostLink The Link about to be initialized |
| * @param[in] Depth The Depth in the I/O chain from the Host |
| * @param[in,out] DownstreamLinkWidthLimit modify to change the Link Width In |
| * @param[in,out] UpstreamLinkWidthLimit modify to change the Link Width Out |
| * @param[in,out] PcbFreqCap modify to change the Link's frequency capability |
| * @param[in] State the input data |
| */ |
| VOID |
| GetIoPcbLimits ( |
| IN UINT8 HostNode, |
| IN UINT8 HostLink, |
| IN UINT8 Depth, |
| IN OUT UINT8 *DownstreamLinkWidthLimit, |
| IN OUT UINT8 *UpstreamLinkWidthLimit, |
| IN OUT UINT32 *PcbFreqCap, |
| IN STATE_DATA *State |
| ) |
| { |
| IO_PCB_LIMITS *p; |
| UINT8 Socket; |
| UINT8 PackageLink; |
| |
| ASSERT ((HostNode < MAX_NODES) && (HostLink < MAX_NODES)); |
| |
| Socket = State->HtInterface->GetSocketFromMap (HostNode, State); |
| PackageLink = State->Nb->GetPackageLink (HostNode, HostLink, State->Nb); |
| |
| if (State->HtBlock->IoPcbLimitsList != NULL) { |
| p = State->HtBlock->IoPcbLimitsList; |
| |
| while (p->HostSocket != HT_LIST_TERMINAL) { |
| if (((p->HostSocket == Socket) || (p->HostSocket == HT_LIST_MATCH_ANY)) && |
| ((p->HostLink == PackageLink) || (p->HostLink == HT_LIST_MATCH_ANY)) && |
| ((p->Depth == Depth) || (p->Depth == HT_LIST_MATCH_ANY))) { |
| // Found a match, return the override info |
| *DownstreamLinkWidthLimit = p->DownstreamLinkWidthLimit; |
| *UpstreamLinkWidthLimit = p->UpstreamLinkWidthLimit; |
| *PcbFreqCap = p->PcbFreqCap; |
| break; |
| } else { |
| p++; |
| } |
| } |
| } |
| } |
| |
| /*----------------------------------------------------------------------------------------*/ |
| /** |
| * Manually control bus number assignment. |
| * |
| * @HtInterfaceMethod{::F_GET_OVERRIDE_BUS_NUMBERS} |
| * |
| * This routine is called every time a non-coherent chain is processed. If a system |
| * can not use the auto Bus numbering feature for non-coherent chain bus assignments, |
| * this routine can provide explicit control. For each chain, provide the bus number |
| * range to use. |
| * |
| * The outputs SecBus and SubBus are not valid unless this routine returns TRUE |
| * |
| * @param[in] Node The Node on which this chain is located |
| * @param[in] Link The Link on the host for this chain |
| * @param[out] SecBus Secondary Bus number for this non-coherent chain |
| * @param[out] SubBus Subordinate Bus number |
| * @param[in] State the input data |
| * |
| * @retval TRUE this routine is supplying the bus numbers. |
| * @retval FALSE use auto Bus numbering, bus outputs not valid. |
| */ |
| BOOLEAN |
| GetOverrideBusNumbers ( |
| IN UINT8 Node, |
| IN UINT8 Link, |
| OUT UINT8 *SecBus, |
| OUT UINT8 *SubBus, |
| IN STATE_DATA *State |
| ) |
| { |
| OVERRIDE_BUS_NUMBERS *p; |
| BOOLEAN result; |
| UINT8 Socket; |
| UINT8 PackageLink; |
| |
| ASSERT ((Node < MAX_NODES) && (Link < MAX_NODES)); |
| |
| result = FALSE; |
| Socket = State->HtInterface->GetSocketFromMap (Node, State); |
| PackageLink = State->Nb->GetPackageLink (Node, Link, State->Nb); |
| |
| if (State->HtBlock->OverrideBusNumbersList != NULL) { |
| p = State->HtBlock->OverrideBusNumbersList; |
| |
| while (p->Socket != HT_LIST_TERMINAL) { |
| if (((p->Socket == Socket) || (p->Socket == HT_LIST_MATCH_ANY)) && |
| ((p->Link == PackageLink) || (p->Link == HT_LIST_MATCH_ANY))) { |
| // Found a match, return the bus overrides |
| *SecBus = p->SecBus; |
| *SubBus = p->SubBus; |
| ASSERT (*SubBus > *SecBus); |
| result = TRUE; |
| break; |
| } else { |
| p++; |
| } |
| } |
| } |
| // SecBus, SubBus are not valid if Result is FALSE. |
| return result; |
| } |
| |
