diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/HT/Fam10/htNbCoherentFam10.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/HT/Fam10/htNbCoherentFam10.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/HT/Fam10/htNbCoherentFam10.c b/src/vendorcode/amd/agesa/f14/Proc/HT/Fam10/htNbCoherentFam10.c new file mode 100644 index 0000000000..a346e514f9 --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/HT/Fam10/htNbCoherentFam10.c @@ -0,0 +1,163 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Coherent Family 10h Routines. + * + * Coherent feature Northbridge implementation specific to Family 10h processors. + * + * @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 "htNbCoherentFam10.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_HT_FAM10_HTNBCOHERENTFAM10_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ + +/*----------------------------------------------------------------------------------------*/ +/** + * Return whether the current configuration exceeds the capability. + * + * @HtNbMethod{::F_IS_EXCEEDED_CAPABLE}. + * + * Get Node capability and update the minimum supported system capability. + * + * @param[in] Node the Node + * @param[in] State sysMpCap (updated) and NodesDiscovered + * @param[in] Nb this northbridge + * + * @retval TRUE system is not capable of current config. + * @retval FALSE system is capable of current config. + */ +BOOLEAN +Fam10IsExceededCapable ( + IN UINT8 Node, + IN STATE_DATA *State, + IN NORTHBRIDGE *Nb + ) +{ + UINT32 Temp; + UINT8 MaxNodes; + PCI_ADDR Reg; + + ASSERT (Node < MAX_NODES); + + Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), + MakePciBusFromNode (Node), + MakePciDeviceFromNode (Node), + CPU_NB_FUNC_03, + REG_NB_CAPABILITY_3XE8); + + LibAmdPciReadBits (Reg, 18, 16, &Temp, Nb->ConfigHandle); + + if (Temp != 0) { + MaxNodes = (UINT8) (1 << (~Temp & 0x3)); // That is, 1, 2, 4, or 8 + } else { + MaxNodes = 8; + } + if (State->SysMpCap > MaxNodes) { + State->SysMpCap = MaxNodes; + } + // Note since sysMpCap is one based and NodesDiscovered is zero based, equal returns true + // + return ((BOOLEAN) (State->SysMpCap <= State->NodesDiscovered)); +} + +/** + * Stop a link, so that it is isolated from a connected device. + * + * @HtNbMethod{::F_STOP_LINK}. + * + * Use is for fatal incompatible configurations, or for user interface + * request to power off a link (IgnoreLink, SkipRegang). + * Set ConnDly to make the power effective at the warm reset. + * Set XMT and RCV off. + * + * @param[in] Node the node to stop a link on. + * @param[in] Link the link to stop. + * @param[in] State access to special routine for writing link control register + * @param[in] Nb this northbridge. + */ +VOID +Fam10StopLink ( + IN UINT8 Node, + IN UINT8 Link, + IN STATE_DATA *State, + IN NORTHBRIDGE *Nb + ) +{ + UINT32 Temp; + PCI_ADDR Reg; + + // Set ConnDly + Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node), + MakePciBusFromNode (Node), + MakePciDeviceFromNode (Node), + CPU_HTNB_FUNC_00, + REG_LINK_GLOBAL_EXT_CONTROL_0x16C); + Temp = 1; + LibAmdPciWriteBits (Reg, 8, 8, &Temp, Nb->ConfigHandle); + // Set TransOff and EndOfChain + Reg = Nb->MakeLinkBase (Node, Link, Nb); + Reg.Address.Register += HTHOST_LINK_CONTROL_REG; + Temp = 3; + State->HtFeatures->SetHtControlRegisterBits (Reg, 7, 6, &Temp, State); +} |