blob: 1e36aeda413801a3f60bd8f34158de54cd1cef30 [file] [log] [blame]
Frank Vibrans2b4c8312011-02-14 18:30:54 +00001/* $NoKeywords:$ */
2/**
3 * @file
4 *
5 * PCIe topology initialization service procedures.
6 *
7 *
8 *
9 * @xrefitem bom "File Content Label" "Release Content"
10 * @e project: AGESA
11 * @e sub-project: GNB
12 * @e \$Revision: 34897 $ @e \$Date: 2010-07-13 19:07:10 -0700 (Tue, 13 Jul 2010) $
13 *
14 */
15/*
16 *****************************************************************************
17 *
18 * Copyright (c) 2011, Advanced Micro Devices, Inc.
19 * All rights reserved.
Edward O'Callaghane963b382014-07-06 19:27:14 +100020 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +000021 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions are met:
23 * * Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * * Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
Edward O'Callaghane963b382014-07-06 19:27:14 +100028 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
29 * its contributors may be used to endorse or promote products derived
Frank Vibrans2b4c8312011-02-14 18:30:54 +000030 * from this software without specific prior written permission.
Edward O'Callaghane963b382014-07-06 19:27:14 +100031 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +000032 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
34 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
36 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
39 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Edward O'Callaghane963b382014-07-06 19:27:14 +100042 *
Frank Vibrans2b4c8312011-02-14 18:30:54 +000043 * ***************************************************************************
44 *
45 */
46#ifndef _PCIETOPOLOGYSERVICES_H_
47#define _PCIETOPOLOGYSERVICES_H_
48
49/// Lane Control
50typedef enum {
51 EnableLanes, ///< Enable Lanes
52 DisableLanes ///< Disable Lanes
53} LANE_CONTROL;
54
55VOID
56PcieTopologyPrepareForReconfig (
57 IN PCIe_WRAPPER_CONFIG *Wrapper,
58 IN PCIe_PLATFORM_CONFIG *Pcie
59 );
60
61AGESA_STATUS
62PcieTopologySetCoreConfig (
63 IN PCIe_WRAPPER_CONFIG *Wrapper,
64 IN PCIe_PLATFORM_CONFIG *Pcie
65 );
66
67VOID
68PcieTopologyApplyLaneMux (
69 IN PCIe_WRAPPER_CONFIG *Wrapper,
70 IN PCIe_PLATFORM_CONFIG *Pcie
71 );
72
73VOID
74PcieTopologySelectMasterPll (
75 IN PCIe_WRAPPER_CONFIG *Wrapper,
76 IN PCIe_PLATFORM_CONFIG *Pcie
77 );
78
79VOID
80PcieTopologyExecuteReconfig (
81 IN PCIe_WRAPPER_CONFIG *Wrapper,
82 IN PCIe_PLATFORM_CONFIG *Pcie
83 );
84
85VOID
86PcieTopologySetLinkReversal (
87 IN PCIe_WRAPPER_CONFIG *Wrapper,
88 IN PCIe_PLATFORM_CONFIG *Pcie
89 );
90
91
92VOID
93PcieTopologyReduceLinkWidth (
94 IN UINT8 LinkWidth,
95 IN PCIe_ENGINE_CONFIG *Engine,
96 IN PCIe_PLATFORM_CONFIG *Pcie
97 );
98
99VOID
100PcieTopologyLaneControl (
101 IN LANE_CONTROL Control,
102 IN UINT32 LaneBitMap,
103 IN PCIe_WRAPPER_CONFIG *Wrapper,
104 IN PCIe_PLATFORM_CONFIG *Pcie
105 );
106
107VOID
108PcieTopologyInitSrbmReset (
109 IN BOOLEAN SrbmResetEnable,
110 IN PCIe_WRAPPER_CONFIG *Wrapper,
111 IN PCIe_PLATFORM_CONFIG *Pcie
112 );
113
114VOID
115PcieSetDdiOwnPhy (
116 IN PCIe_WRAPPER_CONFIG *Wrapper,
117 IN PCIe_PLATFORM_CONFIG *Pcie
118 );
119
120VOID
121PcieWrapSetTxS1CtrlForLaneMux (
122 IN PCIe_WRAPPER_CONFIG *Wrapper,
123 IN PCIe_PLATFORM_CONFIG *Pcie
124 );
125
126VOID
127PcieWrapSetTxOffCtrlForLaneMux (
128 IN PCIe_WRAPPER_CONFIG *Wrapper,
129 IN PCIe_PLATFORM_CONFIG *Pcie
130 );
131
132#endif
133
134