diff options
Diffstat (limited to 'src/usr/hwpf')
| -rw-r--r-- | src/usr/hwpf/hwp/mc_config/mss_freq/mss_freq.C | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/src/usr/hwpf/hwp/mc_config/mss_freq/mss_freq.C b/src/usr/hwpf/hwp/mc_config/mss_freq/mss_freq.C index 560a57a23..6716f7bf2 100644 --- a/src/usr/hwpf/hwp/mc_config/mss_freq/mss_freq.C +++ b/src/usr/hwpf/hwp/mc_config/mss_freq/mss_freq.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2012,2014 */ +/* Contributors Listed Below - COPYRIGHT 2012,2015 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -22,10 +22,14 @@ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ -// $Id: mss_freq.C,v 1.29 2014/12/10 23:05:37 jdsloat Exp $ +// $Id: mss_freq.C,v 1.30 2015/01/29 20:28:38 jdsloat Exp $ /* File mss_freq.C created by JEFF SABROWSKI on Fri 21 Oct 2011. */ //------------------------------------------------------------------------------ +// *! (C) Copyright International Business Machines Corp. 2007 +// *! All Rights Reserved -- Property of IBM +// *! *** *** +//------------------------------------------------------------------------------ // *! TITLE : mss_freq.C // *! DESCRIPTION : Tools for centaur procedures // *! OWNER NAME : Jacob Sloat (jdsloat@us.ibm.com) @@ -67,6 +71,7 @@ // 1.27 | jdsloat | 03/12/14 | Fixed inf loop bug associated with edit 1.26 // 1.28 | jdsloat | 04/30/14 | Fixed a divide by 0 error opened up by RAS review Edits -- Error HW callouts v1.25 // 1.29 | jdsloat | 12/10/14 | Fixed 1333 speed limitation for config/ Habenero +// 1.30 | jdsloat | 01/29/14 | Fixed 1600 speed limitation for DDR4 // Add continues to logerrors to lines 650, 560. IN order to avoid possible future problems. // @@ -638,7 +643,14 @@ fapi::ReturnCode mss_freq(const fapi::Target &i_target_memb) // Impose configuration limitations // Single Drop RDIMMs Cnfgs cannot run faster than 1333 - if ((module_type_group_1 == ENUM_ATTR_SPD_MODULE_TYPE_RDIMM)&&(plug_config == MSS_FREQ_SINGLE_DROP)&&(l_dimm_freq_min > 1333)) + // DDR4 min speed 1600 and Cen no longer supports 1866. + if (l_spd_dram_dev_type == fapi::ENUM_ATTR_SPD_DRAM_DEVICE_TYPE_DDR4) + { + l_dimm_freq_min = 1600; + l_spd_min_tck_max = 1250; + FAPI_INF( "DDR4/Centaur limitation. Centaur no longer handles 1866 and 1600 is min speed of DDR4. New Freq: %d", l_dimm_freq_min); + } + else if ((module_type_group_1 == ENUM_ATTR_SPD_MODULE_TYPE_RDIMM)&&(plug_config == MSS_FREQ_SINGLE_DROP)&&(l_dimm_freq_min > 1333)) { l_dimm_freq_min = 1333; l_spd_min_tck_max = 1500; @@ -658,14 +670,6 @@ fapi::ReturnCode mss_freq(const fapi::Target &i_target_memb) l_spd_min_tck_max = 1875; FAPI_INF( "Dual Drop RDIMM with more than 8 Rank Cnfg limitation. New Freq: %d", l_dimm_freq_min); } - // DDR4 min speed 1600 and Cen no longer supports 1866. - else if (l_spd_dram_dev_type == fapi::ENUM_ATTR_SPD_DRAM_DEVICE_TYPE_DDR4) - { - l_dimm_freq_min = 1600; - l_spd_min_tck_max = 1250; - FAPI_INF( "DDR4/Centaur limitation. Centaur no longer handles 1866 and 1600 is min speed of DDR4. New Freq: %d", l_dimm_freq_min); - } - if ( l_spd_min_tck_max == 0) { @@ -1016,4 +1020,3 @@ fapi::ReturnCode mss_freq(const fapi::Target &i_target_memb) return l_rc; } - |
