blob: aaf7b6195e3b25bd2da01c1bfd357c234e2839f7 (
plain)
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
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/p9_mss_background_scrub.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2018 */
/* [+] 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 p9_mss_background_scrub.C
/// @brief Begin background scrub
///
// *HWP HWP Owner: Matthew Hickman <Matthew.Hickman@ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
#include <lib/shared/nimbus_defaults.H>
#include <fapi2.H>
#include <p9_mss_background_scrub.H>
#include <lib/dimm/rank.H>
#include <lib/mcbist/address.H>
#include <lib/mcbist/mcbist.H>
#include <lib/mcbist/patterns.H>
#include <lib/mcbist/memdiags.H>
#include <lib/mcbist/sim.H>
#include <generic/memory/lib/utils/count_dimm.H>
#include <lib/fir/memdiags_fir.H>
using fapi2::TARGET_TYPE_MCBIST;
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_SYSTEM;
using fapi2::FAPI2_RC_SUCCESS;
///
/// @brief Begin background scrub
/// @param[in] i_target MCBIST
/// @return FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode p9_mss_background_scrub( const fapi2::Target<TARGET_TYPE_MCBIST>& i_target )
{
FAPI_INF("Start mss background scrub on: %s", mss::c_str( i_target ));
// If there are no DIMM we don't need to bother. In fact, we can't as we didn't setup
// attributes for the PHY, etc.
if (mss::count_dimm(i_target) == 0)
{
FAPI_INF("... skipping background scrub for %s - no DIMM ...", mss::c_str(i_target));
return fapi2::FAPI2_RC_SUCCESS;
}
// If we're running in the simulator, we want to only touch the addresses which training touched
uint8_t l_sim = 0;
FAPI_TRY( mss::is_simulation(l_sim) );
// Kick off background scrub if we are not running in sim
if (!(l_sim))
{
// Start background scrub
FAPI_TRY ( mss::memdiags::background_scrub( i_target,
mss::mcbist::stop_conditions(),
mss::mcbist::speed::BG_SCRUB,
mss::mcbist::address() ) );
}
// Unmask firs after background scrub is started
FAPI_TRY ( mss::unmask::after_background_scrub( i_target ) );
fapi_try_exit:
return fapi2::current_err;
}
|
