1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/**
* @file
*
* PCIe link width control.
*
*
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: CIMx-NB
* @e sub-project:
* @e \$Revision:$ @e \$Date:$
*
*/
/*****************************************************************************
*
* Copyright (C) 2012 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.
*
*
***************************************************************************/
/*----------------------------------------------------------------------------------------
* M O D U L E S U S E D
*----------------------------------------------------------------------------------------
*/
#include "NbPlatform.h"
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* T Y P E D E F S A N D S T R U C T U R E S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* P R O T O T Y P E S O F L O C A L F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------*/
/**
* Allocate CPL buffers
*
*
*
* @param[in] CoreId PCI Express Core ID
* @param[in] pConfig Northbridge configuration structure pointer. *
*/
VOID
PcieLibCplBufferAllocation (
IN CORE CoreId,
IN AMD_NB_CONFIG *pConfig
)
{
PORT PortId;
BOOLEAN IsAllocationEnabled;
CIMX_TRACE ((TRACE_DATA (GET_BLOCK_CONFIG_PTR (pConfig), CIMX_NBPCIE_TRACE), "[NBPCIE]PcieLibCplBufferAllocation Enter [CoreId = %d]\n", CoreId));
IsAllocationEnabled = FALSE;
for (PortId = MIN_PORT_ID; PortId <= MAX_PORT_ID; PortId++) {
if (PcieLibIsValidPortId (PortId, pConfig) && PcieLibGetCoreId (PortId, pConfig) == CoreId) {
PCI_ADDR Port;
PORT_INFO *pPortInfo;
pPortInfo = PcieLibGetPortInfo (PortId, pConfig);
if (pPortInfo->SlaveCplBuffers != 0) {
Port = PcieLibGetPortPciAddress (PortId, pConfig);
CIMX_TRACE ((TRACE_DATA (GET_BLOCK_CONFIG_PTR (pConfig), CIMX_NBPCIE_TRACE), " PortId %d , Port Address 0x%x, CplBuffers, %d\n", PortId, Port.AddressValue, pPortInfo->SlaveCplBuffers));
LibNbPciIndexRMW (Port.AddressValue | NB_BIF_INDEX, NB_BIFNBP_REG10, AccessWidth32, (UINT32)~(0x3f << 8), pPortInfo->SlaveCplBuffers << 8, pConfig);
IsAllocationEnabled = TRUE;
}
}
}
if (IsAllocationEnabled) {
CORE CoreAddress;
CoreAddress = PcieLibGetCoreAddress (CoreId, pConfig);
LibNbPciIndexRMW (pConfig->NbPciAddress.AddressValue | NB_BIF_INDEX, NB_BIFNB_REG20 | CoreAddress, AccessWidth32, (UINT32)~(BIT11), BIT11, pConfig);
}
CIMX_TRACE ((TRACE_DATA (GET_BLOCK_CONFIG_PTR (pConfig), CIMX_NBPCIE_TRACE), "[NBPCIE]PcieLibCplBufferAllocation Exit\n"));
}
|
