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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/pegasus/prdfCenDqBitmap.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/** @file prdfCenDqBitmap.H */
#ifndef __prdfCenDqBitmap_H
#define __prdfCenDqBitmap_H
#include <prdfPlatServices.H>
#include <prdfCenAddress.H>
#include <prdfCenConst.H>
namespace PRDF
{
class CaptureData;
/**
* @brief Container for DIMM's Centaur DQ bitmap.
*/
class CenDqBitmap
{
private: // enums, constants
enum
{
DRAM_SPARE_BYTE = 9, // Same byte for both ports.
ECC_SPARE_BYTE = 8, // ECC spare is on second nibble of this byte.
ECC_SPARE_PORT = 1, // Only on port 1.
};
public: // constructors
/** @brief Default constructor */
CenDqBitmap()
{
memset( iv_data, 0x00, sizeof(iv_data) );
}
/** @brief Constructor from components */
CenDqBitmap( TARGETING::TargetHandle_t i_mba, const CenRank & i_rank,
const uint8_t (&i_d)[PORT_SLCT_PER_MBA][DIMM_DQ_RANK_BITMAP_SIZE] ) :
iv_mba(i_mba), iv_rank(i_rank),
iv_x4Dram(PlatServices::isDramWidthX4(i_mba))
{
memcpy( iv_data, i_d, sizeof(iv_data) );
}
public: // functions
/**
* @brief Queries if there are any bad DQs present on either port.
* @return TRUE if any bad DQs present.
*/
bool badDqs() const;
/**
* @brief Queries the given port to determine if there are any bad DQs
* present.
* @param i_portSlct The target port.
* @param o_badDqs TRUE if there are bad DQS present the given port,
* FALSE otherwise.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t badDqs( uint8_t i_portSlct, bool & o_badDqs ) const;
/**
* @brief Sets the specified Centaur DQ.
* @param i_dq The target Centaur DQ.
* @param i_portSlct The target port.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t setDq( uint8_t i_dq, uint8_t i_portSlct );
/**
* @brief Sets the specified symbol.
* @note Will adjust for DRAM or ECC spares, if applicable.
* @param i_symbol The target symbol.
* @param i_pins Optional 2-bit value of the symbol's pins. The default
* is to set both pins.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t setSymbol( const CenSymbol & i_symbol, uint8_t i_pins = 0x3 );
/**
* @brief Sets the specified DRAM.
* @note Will adjust for DRAM or ECC spares, if applicable.
* @param i_symbol A symbol on the target DRAM.
* @param i_pins Optional 8-bit (x8 mode) or 4-bit (x4 mode) value of the
* DRAM's pins. The default is to set all pins.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t setDram( const CenSymbol & i_symbol, uint8_t i_pins = 0xff );
/**
* @brief Checks if chip mark is present on specified DRAM.
* @note Will adjust for DRAM or ECC spares, if applicable.
* @param i_symbol A symbol on the target DRAM.
* @param o_cm True if chip mark is present false otherwise.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t isChipMark( const CenSymbol & i_symbol, bool & o_cm );
/**
* @brief Sets the DRAM spare on the specified port.
* @param i_portSlct The target port.
* @param i_pins Optional 8-bit (x8 mode) or 4-bit (x4 mode) value of
* the DRAM's pins. The default is to set all pins.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t setDramSpare( uint8_t i_portSlct, uint8_t i_pins = 0xff );
/**
* @brief Sets the ECC spare on the specified port (x4 mode only).
* @param i_pins Optional 4-bit value of the DRAM's pins.
* The default is to set all pins.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t setEccSpare( uint8_t i_pins = 0xf );
/**
* @brief Queries for DRAM spare status.
* @param i_portSlct The target port.
* @param o_dramSpare TRUE if the DRAM spare is available, FALSE otherwise.
* @param o_eccSpare TRUE if the ECC spare is available, FALSE otherwise.
* @return Non-SUCCESS if an internal function failed, SUCCESS otherwise.
*/
int32_t isSpareAvailable( uint8_t i_portSlct,
bool & o_dramSpare, bool & o_eccSpare );
/**
* @brief Adds the bitmaps for both ports to the capture data.
* @param o_cd Capture data struct.
*/
void getCaptureData( CaptureData & o_cd ) const;
/** @return A reference to the data array. */
const uint8_t (&getData()const)[PORT_SLCT_PER_MBA][DIMM_DQ_RANK_BITMAP_SIZE]
{
return iv_data;
}
public: // functions
/**
* @brief Support function to calculate the port select, byte index, and
* bit index based on the given symbol.
* @note Will adjust the indexes for DRAM or ECC spares, if applicable.
* @param i_symbol The target symbol.
* @param o_portSlct The port select (0-1).
* @param o_byteIdx The byte index of the symbol (0-9).
* @param o_bitIdx The bit index of the symbol (0,2,4,6).
* @return Non-SUCCESS if the symbol is invalid, SUCCESS otherwise.
*/
int32_t getPortByteBitIdx( const CenSymbol & i_symbol, uint8_t & o_portSlct,
uint8_t & o_byteIdx, uint8_t & o_bitIdx ) const;
private: // instance variables
TARGETING::TargetHandle_t iv_mba; ///< Target MBA
CenRank iv_rank; ///< Target rank
bool iv_x4Dram; ///< TRUE if iv_mba uses x4 DRAMs
/** A bitmap of all bad DQs for each port. */
uint8_t iv_data[PORT_SLCT_PER_MBA][DIMM_DQ_RANK_BITMAP_SIZE];
};
} // end namespace PRDF
#endif // __prdfCenDqBitmap_H
|
