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review.coreboot.org / coreboot / dbdf170dcdf9edbc860766606e53c6d647d89d38 / . / src / vendorcode / amd / agesa / f14 / Proc / HT / Fam14 / htNbUtilitiesFam14.c
blob: bb1b08f152b2f001870373647a64a685ab9ad028 [file] [log] [blame]
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]1/* $NoKeywords:$ */
2/**
3 * @file
4 *
5 * Northbridge utility routines.
6 *
7 * These routines are needed for support of more than one feature area.
8 * Collect them in this file so build options don't remove them.
9 *
10 * @xrefitem bom "File Content Label" "Release Content"
11 * @e project: AGESA
12 * @e sub-project: HyperTransport
efdesign980bcfff72011-09-14 15:52:09 -0600[diff] [blame]13 * @e \$Revision: 34897 $ @e \$Date: 2010-07-14 10:07:10 +0800 (Wed, 14 Jul 2010) $
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]14 *
15 */
16/*
17 *****************************************************************************
18 *
19 * Copyright (c) 2011, Advanced Micro Devices, Inc.
20 * All rights reserved.
Edward O'Callaghan1542a6f2014-07-06 19:24:06 +1000[diff] [blame]21 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions are met:
24 * * Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
26 * * Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in the
28 * documentation and/or other materials provided with the distribution.
Edward O'Callaghan1542a6f2014-07-06 19:24:06 +1000[diff] [blame]29 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
30 * its contributors may be used to endorse or promote products derived
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]31 * from this software without specific prior written permission.
Edward O'Callaghan1542a6f2014-07-06 19:24:06 +1000[diff] [blame]32 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
34 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
35 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
37 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
39 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
40 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
41 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Edward O'Callaghan1542a6f2014-07-06 19:24:06 +1000[diff] [blame]43 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +0000[diff] [blame]44 * ***************************************************************************
45 *
46 */
47
48/*
49 *----------------------------------------------------------------------------
50 * MODULES USED
51 *
52 *----------------------------------------------------------------------------
53 */
54
55
56
57#include "AGESA.h"
58#include "amdlib.h"
59#include "Ids.h"
60#include "Topology.h"
61#include "htFeat.h"
62#include "htNb.h"
63#include "htNbHardwareFam10.h"
64#include "htNbUtilitiesFam14.h"
65#include "Filecode.h"
66#define FILECODE PROC_HT_FAM14_HTNBUTILITIESFAM14_FILECODE
67/*----------------------------------------------------------------------------
68 * DEFINITIONS AND MACROS
69 *
70 *----------------------------------------------------------------------------
71 */
72
73/*----------------------------------------------------------------------------------------*/
74/**
75 * Return the number of cores (1 based count) on Node.
76 *
77 * @HtNbMethod{::F_GET_NUM_CORES_ON_NODE}
78 *
79 * @param[in] Node the Node that will be examined
80 * @param[in] Nb this northbridge
81 *
82 * @return the number of cores
83 */
84UINT8
85Fam14GetNumCoresOnNode (
86 IN UINT8 Node,
87 IN NORTHBRIDGE *Nb
88 )
89{
90 UINT32 Cores;
91 PCI_ADDR Reg;
92
93 ASSERT ((Node < MAX_NODES));
94 // Read CmpCap
95 Reg.AddressValue = MAKE_SBDFO (MakePciSegmentFromNode (Node),
96 MakePciBusFromNode (Node),
97 MakePciDeviceFromNode (Node),
98 CPU_NB_FUNC_03,
99 REG_NB_CAPABILITY_3XE8);
100
101 LibAmdPciReadBits (Reg, 13, 12, &Cores, Nb->ConfigHandle);
102
103 return (UINT8) (Cores + 1);
104}
105
106/*----------------------------------------------------------------------------------------*/
107/**
108 * Get the Count (1 based) of Nodes in the system.
109 *
110 * @HtNbMethod{::F_GET_NODE_COUNT}
111 *
112 * This is intended to support AP Core HT init, since the Discovery State data is not
113 * available (State->NodesDiscovered), there needs to be this way to find the number
114 * of Nodes, which is just one.
115 *
116 * @param[in] Nb this northbridge
117 *
118 * @return The number of nodes
119 */
120UINT8
121Fam14GetNodeCount (
122 IN NORTHBRIDGE *Nb
123 )
124{
125 ASSERT (Nb != NULL);
126 return (1);
127}
128
efdesign980bcfff72011-09-14 15:52:09 -0600[diff] [blame]129AP_MAIL_INFO
130Fam14RetrieveMailbox (
131 IN UINT8 Node,
132 IN NORTHBRIDGE *Nb
133 )
134{
135 AP_MAIL_INFO NodeApMailBox;
136 ASSERT (Nb != NULL);
137 NodeApMailBox.Info = 0;
138 return NodeApMailBox;
139}