diff options
Diffstat (limited to 'src/ssx/pgp/pgp_centaur.c')
| -rw-r--r-- | src/ssx/pgp/pgp_centaur.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/ssx/pgp/pgp_centaur.c b/src/ssx/pgp/pgp_centaur.c index a47600a..85a0dd3 100644 --- a/src/ssx/pgp/pgp_centaur.c +++ b/src/ssx/pgp/pgp_centaur.c @@ -1,4 +1,28 @@ -// $Id: pgp_centaur.c,v 1.2 2013/12/13 23:01:15 bcbrock Exp $ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/ssx/pgp/pgp_centaur.c $ */ +/* */ +/* OpenPOWER OnChipController Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2014,2015 */ +/* [+] 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: pgp_centaur.c,v 1.6 2015/01/27 17:56:26 daviddu Exp $ // $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/ssx/pgp/pgp_centaur.c,v $ //----------------------------------------------------------------------------- // *! (C) Copyright International Business Machines Corp. 2013 @@ -103,6 +127,7 @@ _centaur_configuration_create(int i_bar, int i_slave, int i_setup) int i, designatedSync, diffInit; int64_t rc; /* Must be copied to global struct. */ mcfgpr_t mcfgpr; + mcifir_t mcifir; mcsmode0_t mcsmode0; pba_slvctln_t slvctl; uint64_t diffMask, addrAccum, bar, mask, base; @@ -162,6 +187,28 @@ _centaur_configuration_create(int i_bar, int i_slave, int i_setup) for (i = 0; i < PGP_NCENTAUR; i++) { + // SW273928: New function added for FW820, when centaur has channel + // checkstop, we consider centaur is not usable so treat it as + // deconfigured. Note that the current implementation assumes when + // centaur is dead, its mcs is also dead, which is wrong. However, + // it only concerns when MCS happens to be the SYNC master because + // the gpe procedure only tries to talk to centaurs regardless what + // MCS status it knows about. In this particular case, + // the procedure will turn on SYNC on a different MCS with + // valid centaur. According to Eric Retter, it would be ok for + // HW to have more MCS turned on as SYNC master as long as FW + // only send SYNC command to one of them. + + rc = _getscom(MCS_ADDRESS(MCIFIR, i), &(mcifir.value), + SCOM_TIMEOUT); + if (rc) { + rc = 0; + config.baseAddress[i] = 0; + continue; + } + + if (mcifir.fields.channel_fail_signal_active) continue; + rc = _getscom(MCS_ADDRESS(MCFGPR, i), &(mcfgpr.value), SCOM_TIMEOUT); if (rc) { |
