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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/lab/sdk/example/C/mss_lab_sfwrite.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2019 */
/* [+] 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 mss_lab_sfwrite.C
/// @brief Memdiags super-fast write
///
// *HWP HWP Owner: Marc Gollub <gollub@us.ibm.com>
// *HWP FW Owner: Brian Silver <bsiler@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: Memory
#include <generic/memory/lab/mss_lab_tools.H>
#include <lib/shared/nimbus_defaults.H>
#include <lib/shared/nimbus_defaults.H>
#include <generic/memory/lib/utils/poll.H>
#include <lib/mcbist/address.H>
#include <lib/mcbist/memdiags.H>
#include <lib/mcbist/mcbist.H>
///
/// @brief display procedure usage
///
void help()
{
// Note: Use ecmdOutput for usage information so it is always printed to the console.
// Otherwise, always use mss::lab::log or mss::lab::logf
ecmdOutput("mss_lab_sfwrite.exe - Example of building a lab tool to do super-fast write\n");
ecmdOutput("mss_lab_sfwrite.exe [options] [cronus options]\n");
ecmdOutput("\n");
ecmdOutput(" Options:\n");
ecmdOutput(" --help/-h Shows this help message\n");
ecmdOutput(" --cronus-target Provide the Cronus target to begin operations on.\n");
ecmdOutput("\n");
ecmdOutput(" Cronus Options:\n");
ecmdOutput(" These are cronus specific command line instructions that are passed\n");
ecmdOutput(" into cronus\n");
return;
}
///
/// @brief main test function
///
int main(int i_argc, char* i_argv[])
{
// vars, handles, etc
fapi2::ReturnCode rc;
char cronus_target[32] = "p9n.mcbist:k0:n0:s0:p00:c0";
char* l_target;
// Memory Lab Tools initialization
mss::lab::tool_init tool_init(rc, i_argc, i_argv);
mss::lab::is_ok(rc, "Failed to initialize lab tool");
// command line handling
if (ecmdParseOption(&i_argc, &i_argv, "-h"))
{
help();
return 0;
}
if ((l_target = ecmdParseOptionWithArgs(&i_argc, &i_argv, "--cronus-target=")) != nullptr)
{
strcpy(cronus_target, l_target);
}
// Parse out common eCMD args like -p0, -c0, -coe, etc..
// Do this after parsing off tool specific arguments
const uint32_t l_rc = ecmdCommandArgs(&i_argc, &i_argv);
mss::lab::is_ok((l_rc == ECMD_SUCCESS), "Failed parsing ecmd command args");
// get ecmd target
auto ecmd_target = std::make_shared<ecmdChipTarget>();
rc = mss::lab::get_ecmd_target(cronus_target, ecmd_target);
mss::lab::is_ok(rc, "Failed to get ecmd target");
// get fapi2 target
fapi2::Target<fapi2::TARGET_TYPE_MCBIST> fapi2_mcbist_target;
rc = mss::lab::get_fapi2_target(ecmd_target, fapi2_mcbist_target);
mss::lab::is_ok(rc, "Failed to get mcbist from ecmd target");
// retrieve the Cronus string representing the fapi2 target
mss::logf(mss::DEBUG, "MCBIST C_str: %s", mss::c_str(fapi2_mcbist_target));
rc = mss::memdiags::sf_init(fapi2_mcbist_target, mss::mcbist::PATTERN_5);
mss::lab::is_ok(rc, "mss::memdiags::sf_init failed");
// Just for giggles, poll here looking for the FIR bit ...
{
// Poll for the fir bit. We expect this to be set ...
fapi2::buffer<uint64_t> l_status;
// A small vector of addresses to poll during the polling loop
const std::vector<mss::poll_probe<fapi2::TARGET_TYPE_MCBIST>> l_probes =
{
{fapi2_mcbist_target, "mcbist current address", MCBIST_MCBMCATQ},
};
mss::poll_parameters l_poll_parameters;
bool l_poll_results = mss::poll(fapi2_mcbist_target, MCBIST_MCBISTFIRQ, l_poll_parameters,
[&l_status](const size_t poll_remaining, const fapi2::buffer<uint64_t>& stat_reg) -> bool
{
FAPI_DBG("mcbist firq 0x%llx, remaining: %d", stat_reg, poll_remaining);
l_status = stat_reg;
return l_status.getBit<MCBIST_MCBISTFIRQ_MCBIST_PROGRAM_COMPLETE>() == true;
},
l_probes);
mss::lab::is_ok(l_poll_results == true, "mss::memdiags::sf_write timedout");
}
mss::log(mss::DEBUG, "Finished");
}
|
