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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/dram_training/mss_draminit_trainadv/mss_ddr4_pda.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 */
// $Id: mss_ddr4_pda.H,v 1.38 2015/07/27 14:49:59 sglancy Exp $
//------------------------------------------------------------------------------
// *! (C) Copyright International Business Machines Corp. 2013
// *! All Rights Reserved -- Property of IBM
// *! *** ***
//------------------------------------------------------------------------------
// *! TITLE : mss_ddr4_pda.H
// *! DESCRIPTION : Tools for DDR4 DIMMs centaur procedures
// *! OWNER NAME : Stephen Glancy Email: sglancy@us.ibm.com
// *! BACKUP NAME : Andre Marin Email: aamarin@us.ibm.com
// #! ADDITIONAL COMMENTS :
//
//------------------------------------------------------------------------------
// Don't forget to create CVS comments when you check in your changes!
//------------------------------------------------------------------------------
// CHANGE HISTORY:
//------------------------------------------------------------------------------
// Version:| Author: | Date: | Comment:
//---------|----------|---------|-----------------------------------------------
// 1.5 | 05/13/15 | sglancy | Added dox and updated functions for better FFDC
// 1.4 | 05/11/15 | sglancy | Addressed FW comments
// 1.3 | 05/07/15 | sglancy | Updated Doxygen header
// 1.2 | 02/13/15 | sglancy | Updated to allow for file inputs
// 1.1 | 10/27/14 | sglancy | First revision
#ifndef _MSS_DDR4_PDA_H
#define _MSS_DDR4_PDA_H
#include <fapi.H>
using namespace fapi;
using namespace std;
class PDA_MRS_Storage {
private:
char pda_string[MAX_ECMD_STRING_LEN]; //aware that this isn't threadsafe but should be called w/in each thread
public:
uint8_t attribute_data;
uint32_t attribute_name;
uint8_t MRS;
uint8_t dimm;
uint8_t dram;
uint8_t rank;
uint8_t port;
PDA_MRS_Storage(uint8_t ad,uint32_t an,uint8_t dr,uint8_t di,uint8_t r,uint8_t p);
~PDA_MRS_Storage();
bool operator> (const PDA_MRS_Storage &PDA2) const;
bool operator< (const PDA_MRS_Storage &PDA2) const;
void copy(PDA_MRS_Storage &temp);
ReturnCode setMRSbyAttr(Target& i_target);
ReturnCode checkPDAValid(Target& i_target);
char * c_str();
void generatePDAString();
};
class PDA_Scom_Storage {
public:
uint64_t scom_addr;
uint32_t start_bit;
uint32_t num_bits;
PDA_Scom_Storage(uint64_t sa, uint32_t sb, uint32_t nb);
~PDA_Scom_Storage();
};
typedef ReturnCode (*mss_ddr4_pda_FP_t)(Target& i_target, vector<PDA_MRS_Storage> pda);
extern "C"
{
/**
* @runs through the vector of given PDA values and issues the PDA commands to the requested DRAMs
*
* @param[in] target: Reference to centaur.mba target,
* @param[in] vector: Vector of PDA_MRS_Storage class elements - initialized by the user and contains DRAM information and attribute override information
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_run_pda(Target& i_target,vector<PDA_MRS_Storage> pda);
/**
* @Puts the DRAM in per-DRAM addressability mode (PDA mode)
*
* @param[in] target: Reference to centaur.mba target,
* @param[in/out] io_ccs_inst_cnt: starting point of CCS array - needed to properly setup CCS
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_setup_pda(Target& i_target,uint32_t& io_ccs_inst_cnt);
/**
* @Takes the DRAM out of per-DRAM addressability mode (PDA mode)
*
* @param[in] target: Reference to centaur.mba target,
* @param[in/out] io_ccs_inst_cnt: starting point of CCS array - needed to properly setup CCS
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_disable_pda(Target& i_target,uint32_t& io_ccs_inst_cnt);
/**
* @called by wrapper - sets up a PDA vector if it's not already configured
*
* @param[in] target: Reference to centaur.mba target,
* @param[in] vector: Vector of PDA_MRS_Storage class elements - initialized by the user and contains DRAM information and attribute override information
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_pda(Target& i_target,vector<PDA_MRS_Storage> pda);
/**
* @Checks the passed in PDA vector to ensure that all entries are good. then sorts the vector to ensure more efficient command stream
*
* @param[in] target: Reference to centaur.mba target,
* @param[in/out] vector: Vector of PDA_MRS_Storage class elements - initialized by the user and contains DRAM information and attribute override information
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_checksort_pda(Target& i_target, vector<PDA_MRS_Storage>& pda);
/**
* @Modifies the passed in address_16 buffer based upon the given attribute and data
*
* @param[in] target: Reference to centaur.mba target,
* @param[in/out] ecmdDataBufferBase& address_16: MRS values - this is modified by the given attribute name and data
* @param[in] uint32_t attribute_name: enumerated value containing the attribute name to be modified - attr_name tells the function which bits to modify
* @param[in] uint8_t attribute_data: data telss the function what values to set to the modified bits
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_modify_mrs_pda(Target& i_target,ecmdDataBufferBase& address_16,uint32_t attribute_name,uint8_t attribute_data);
/**
* @Adds a given DRAM into the scom_storage vector
*
* @param[in] target: Reference to centaur.mba target,
* @param[in] uint8_t port: identifies which port the given DRAM is on
* @param[in] uint8_t dram: identifies which DRAM identifier is to be added
* @param[in/out] vector: list of all DRAMs being modified by PDA. contains address, bit, and length
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_add_dram_pda(Target& i_target,uint8_t port,uint8_t dram,vector<PDA_Scom_Storage> & scom_storage);
/**
* @loads in a nominal MRS value into the address_16 and bank_3
*
* @param[in] target: Reference to centaur.mba target,
* @param[out] ecmdDataBufferBase& bank_3: bank bits to be issued during MRS
* @param[out] ecmdDataBufferBase& address_16: 16 address lanes to be issued during MRS - setup during function
* @param[in] uint8_t MRS: which MRS to configure
* @param[in] uint8_t i_port_number: the port on which to configure the MRS - used for ID'ing which attributes to use
* @param[in] uint8_t dimm_number: the DIMM on which to configure the MRS - used for ID'ing which attributes to use
* @param[in] uint8_t rank_number: the rank on which to configure the MRS - used for ID'ing which attributes to use
*
* @return ReturnCode
*/
ReturnCode mss_ddr4_load_nominal_mrs_pda(Target& i_target,ecmdDataBufferBase& bank_3,ecmdDataBufferBase& address_16,uint8_t MRS,uint8_t i_port_number, uint8_t dimm_number, uint8_t rank_number);
} // extern "C"
#endif /* _MSS_DDR4_PDA_H */
|
