diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/HT/NbCommon/htNbCoherent.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/HT/NbCommon/htNbCoherent.c | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/HT/NbCommon/htNbCoherent.c b/src/vendorcode/amd/agesa/f14/Proc/HT/NbCommon/htNbCoherent.c deleted file mode 100644 index 7773f72089..0000000000 --- a/src/vendorcode/amd/agesa/f14/Proc/HT/NbCommon/htNbCoherent.c +++ /dev/null @@ -1,492 +0,0 @@ -/* $NoKeywords:$ */ -/** - * @file - * - * Coherent Feature Northbridge routines. - * - * Provide access to hardware for routing, coherent discovery. - * - * @xrefitem bom "File Content Label" "Release Content" - * @e project: AGESA - * @e sub-project: HyperTransport - * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 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 "htNb.h" -#include "htNbHardwareFam10.h" -#include "htNbCoherent.h" -#include "Filecode.h" -CODE_GROUP (G1_PEICC) -RDATA_GROUP (G1_PEICC) - -#define FILECODE PROC_HT_NBCOMMON_HTNBCOHERENT_FILECODE -/*---------------------------------------------------------------------------- - * DEFINITIONS AND MACROS - * - *---------------------------------------------------------------------------- - */ - -/*---------------------------------------------------------------------------- - * TYPEDEFS AND STRUCTURES - * - *---------------------------------------------------------------------------- - */ -/*---------------------------------------------------------------------------- - * PROTOTYPES OF LOCAL FUNCTIONS - * - *---------------------------------------------------------------------------- - */ - -/*************************************************************************** - *** FAMILY/NORTHBRIDGE SPECIFIC FUNCTIONS *** - ***************************************************************************/ - -/*----------------------------------------------------------------------------------------*/ -/** - * Establish a Temporary route from one Node to another. - * - * @HtNbMethod{::F_WRITE_ROUTING_TABLE} - * - * This routine will modify the routing tables on the - * SourceNode to cause it to route both request and response traffic to the - * targetNode through the specified Link. - * - * @note: This routine is to be used for early discovery and initialization. The - * final routing tables must be loaded some other way because this - * routine does not address the issue of probes, or independent request - * response paths. - * - * @param[in] Node the Node that will have it's routing tables modified. - * @param[in] Target For routing to Node target - * @param[in] Link Link from Node to target - * @param[in] Nb this northbridge - */ -VOID -WriteRoutingTable ( - IN UINT8 Node, - IN UINT8 Target, - IN UINT8 Link, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Temp; - - ASSERT ((Node < MAX_NODES) && (Target < MAX_NODES) && (Link < Nb->MaxLinks)); - Temp = (Nb->SelfRouteResponseMask | Nb->SelfRouteRequestMask) << (Link + 1); - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_ROUTE0_0X40 + (Target * 4)); - LibAmdPciWrite (AccessWidth32, Reg, &Temp, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Modifies the NodeID register on the target Node - * - * @HtNbMethod{::F_WRITE_NODEID} - * - * @param[in] Node the Node that will have its NodeID altered. - * @param[in] NodeID the new value for NodeID - * @param[in] Nb this northbridge - */ -VOID -WriteNodeID ( - IN UINT8 Node, - IN UINT8 NodeID, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Temp; - Temp = NodeID; - ASSERT ((Node < MAX_NODES) && (NodeID < MAX_NODES)); - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_NODE_ID_0X60); - LibAmdPciWriteBits (Reg, 2, 0, &Temp, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Read the Default Link - * - * @HtNbMethod{::F_READ_DEFAULT_LINK} - * - * Read the DefLnk (the source Link of the current packet) from Node. Since this code - * is running on the BSP, this should be the Link pointing back towards the BSP. - * - * @param[in] Node the Node that will have its NodeID altered. - * @param[in] Nb this northbridge - * - * @return The HyperTransport Link where the request to - * read the default Link came from. - */ -UINT8 -ReadDefaultLink ( - IN UINT8 Node, - IN NORTHBRIDGE *Nb - ) -{ - UINT32 DefaultLink; - PCI_ADDR Reg; - UINT32 Temp; - - DefaultLink = 0; - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_LINK_INIT_CONTROL_0X6C); - - ASSERT ((Node < MAX_NODES)); - LibAmdPciReadBits (Reg, 3, 2, &DefaultLink, Nb->ConfigHandle); - LibAmdPciReadBits (Reg, 8, 8, &Temp, Nb->ConfigHandle); - DefaultLink |= (Temp << 2); - return (UINT8)DefaultLink; -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Turns routing tables on for a given Node - * - * @HtNbMethod{::F_ENABLE_ROUTING_TABLES} - * - * @param[in] Node the Node that will have it's routing tables enabled - * @param[in] Nb this northbridge - */ -VOID -EnableRoutingTables ( - IN UINT8 Node, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Temp; - Temp = 0; - ASSERT ((Node < MAX_NODES)); - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_LINK_INIT_CONTROL_0X6C); - LibAmdPciWriteBits (Reg, 0, 0, &Temp, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Turns routing tables off for a given Node - * - * @HtNbMethod{::F_DISABLE_ROUTING_TABLES} - * - * @param[in] Node the Node that will have it's routing tables disabled - * @param[in] Nb this northbridge - */ -VOID -DisableRoutingTables ( - IN UINT8 Node, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Temp; - Temp = 1; - ASSERT ((Node < MAX_NODES)); - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_LINK_INIT_CONTROL_0X6C); - LibAmdPciWriteBits (Reg, 0, 0, &Temp, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Verify that the Link is coherent, connected, and ready - * - * @HtNbMethod{::F_VERIFY_LINK_IS_COHERENT} - * - * @param[in] Node the Node that will be examined - * @param[in] Link the Link on that Node to examine - * @param[in] Nb this northbridge - * - * @retval TRUE The Link has the following status - * - LinkCon=1, Link is connected - * - InitComplete=1, Link initialization is complete - * - NC=0, Link is coherent - * - UniP-cLDT=0, Link is not Uniprocessor cLDT - * - LinkConPend=0 Link connection is not pending - * @retval FALSE The Link has some other status -*/ -BOOLEAN -VerifyLinkIsCoherent ( - IN UINT8 Node, - IN UINT8 Link, - IN NORTHBRIDGE *Nb - ) -{ - UINT32 LinkType; - PCI_ADDR LinkBase; - - ASSERT ((Node < MAX_NODES) && (Link < Nb->MaxLinks)); - - LinkBase = Nb->MakeLinkBase (Node, Link, Nb); - - // FN0_98/A4/C4 = LDT Type Register - LinkBase.Address.Register += HTHOST_LINK_TYPE_REG; - LibAmdPciRead (AccessWidth32, LinkBase, &LinkType, Nb->ConfigHandle); - - // Verify LinkCon = 1, InitComplete = 1, NC = 0, UniP-cLDT = 0, LinkConPend = 0 - return (BOOLEAN) ((LinkType & HTHOST_TYPE_MASK) == HTHOST_TYPE_COHERENT); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Read the token stored in the scratchpad register field. - * - * @HtNbMethod{::F_READ_TOKEN} - * - * Use the CPU core count as a scratch pad. - * - * @note The location used to store the token is arbitrary. The only requirement is - * that the location warm resets to zero, and that using it will have no ill-effects - * during HyperTransport initialization. - * - * @param[in] Node the Node that will be examined - * @param[in] Nb this northbridge - * - * @return the Token read from the Node - */ -UINT8 -ReadToken ( - IN UINT8 Node, - IN NORTHBRIDGE *Nb - ) -{ - UINT32 Temp; - PCI_ADDR Reg; - - ASSERT ((Node < MAX_NODES)); - // Use CpuCnt as a scratch register - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_NODE_ID_0X60); - LibAmdPciReadBits (Reg, 19, 16, &Temp, Nb->ConfigHandle); - - return (UINT8)Temp; -} - - -/*----------------------------------------------------------------------------------------*/ -/** - * Write the token stored in the scratchpad register - * - * @HtNbMethod{::F_WRITE_TOKEN} - * - * Use the CPU core count as a scratch pad. - * - * @note The location used to store the token is arbitrary. The only requirement is - * that the location warm resets to zero, and that using it will have no ill-effects - * during HyperTransport initialization. - * - * @param[in] Node the Node that marked with token - * @param[in] Value the token Value - * @param[in] Nb this northbridge - */ -VOID -WriteToken ( - IN UINT8 Node, - IN UINT8 Value, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Temp; - Temp = Value; - ASSERT ((Node < MAX_NODES)); - // Use CpuCnt as a scratch register - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_NODE_ID_0X60); - LibAmdPciWriteBits (Reg, 19, 16, &Temp, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Full Routing Table Register initialization - * - * @HtNbMethod{::F_WRITE_FULL_ROUTING_TABLE} - * - * Write the routing table entry for Node to target, using the request Link, response - * Link, and broadcast Links provided. - * - * @param[in] Node the Node that will be examined - * @param[in] Target the Target Node for these routes - * @param[in] ReqLink the Link for requests to Target - * @param[in] RspLink the Link for responses to Target - * @param[in] BroadcastLinks the broadcast Links - * @param[in] Nb this northbridge - */ -VOID -WriteFullRoutingTable ( - IN UINT8 Node, - IN UINT8 Target, - IN UINT8 ReqLink, - IN UINT8 RspLink, - IN UINT32 BroadcastLinks, - IN NORTHBRIDGE *Nb - ) -{ - PCI_ADDR Reg; - UINT32 Value; - - Value = 0; - ASSERT ((Node < MAX_NODES) && (Target < MAX_NODES)); - if (ReqLink == ROUTE_TO_SELF) { - Value |= Nb->SelfRouteRequestMask; - } else { - Value |= Nb->SelfRouteRequestMask << (ReqLink + 1); - } - - if (RspLink == ROUTE_TO_SELF) { - Value |= Nb->SelfRouteResponseMask; - } else { - Value |= Nb->SelfRouteResponseMask << (RspLink + 1); - } - - // Allow us to accept a Broadcast ourselves, then set broadcasts for routes - Value |= (UINT32)1 << Nb->BroadcastSelfBit; - Value |= (UINT32)BroadcastLinks << (Nb->BroadcastSelfBit + 1); - - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - CPU_HTNB_FUNC_00, - REG_ROUTE0_0X40 + (Target * 4)); - LibAmdPciWrite (AccessWidth32, Reg, &Value, Nb->ConfigHandle); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Determine whether a Node is compatible with the discovered configuration so far. - * - * @HtNbMethod{::F_IS_ILLEGAL_TYPE_MIX}. - * - * Currently, that means the family, extended family of the new Node are the - * same as the BSP's. - * - * @param[in] Node the Node - * @param[in] Nb this northbridge - * - * @retval TRUE the new node is not compatible - * @retval FALSE the new node is compatible - */ -BOOLEAN -IsIllegalTypeMix ( - IN UINT8 Node, - IN NORTHBRIDGE *Nb - ) -{ - return ((BOOLEAN) ((Nb->MakeKey (Node, Nb) & Nb->CompatibleKey) == 0)); -} - -/*----------------------------------------------------------------------------------------*/ -/** - * Fix (hopefully) exceptional conditions. - * - * @HtNbMethod{::F_HANDLE_SPECIAL_NODE_CASE}. - * - * Currently, this routine is implemented for all coherent HT families to check - * vendor ID of coherent Node. If the vendor ID is 0x1022 then return FALSE, - * or return TRUE. - * - * @param[in] Node The Node which need to be checked. - * @param[in] Link The link to check for special conditions. - * @param[in] State our global state. - * @param[in] Nb this northbridge. - * - * @retval TRUE This node received special handling. - * @retval FALSE This node was not handled specially, handle it normally. - * - */ -BOOLEAN -HandleSpecialNodeCase ( - IN UINT8 Node, - IN UINT8 Link, - IN STATE_DATA *State, - IN NORTHBRIDGE *Nb - ) -{ - BOOLEAN Result; - PCI_ADDR Reg; - UINT32 VendorID; - - Result = TRUE; - - Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), - MakePciBusFromNode (Node), - MakePciDeviceFromNode (Node), - 0, - 0); - - LibAmdPciReadBits (Reg, 15, 0, &VendorID, Nb->ConfigHandle); - if (VendorID == 0x1022) { - Result = FALSE; - } - - return Result; -} |