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authorGrover Monster <bsilver@us.ibm.com>2016-08-19 15:45:23 -0500
committerChristian R. Geddes <crgeddes@us.ibm.com>2016-09-02 15:07:25 -0400
commitabcddd674843ac76c72966014707369a2d73b8ec (patch)
treececec60b9b89cc072a9b8d9f0f85ba4c8795b7cf /src/import/chips/p9/procedures/hwp/memory/lib/eff_config
parentad5994c1a9346903ef6bb5b0b69d700b39567b16 (diff)
downloadtalos-hostboot-abcddd674843ac76c72966014707369a2d73b8ec.tar.gz
talos-hostboot-abcddd674843ac76c72966014707369a2d73b8ec.zip
Change VPD for power on and VBU
Create directory for ZZ, vbu and templates Add ZZ vpd, vbu vpd, dq map and cke map templates Update hb_temp_defaults.xml with new attributes in MR Update the accessor generator to handle non-array attrs Update the vpd decoder generator to handle MCS attrs only Add comment describing nibble/rank mapping for VPD Add support for signed attributes Change-Id: Ib37b21b72a9885e0a104d63e37005935a4c2d8b9 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28961 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com> Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com> Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/28994 Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/eff_config')
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/eff_config/eff_config.C13
1 files changed, 4 insertions, 9 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/eff_config/eff_config.C b/src/import/chips/p9/procedures/hwp/memory/lib/eff_config/eff_config.C
index 7aa8c264b..aeab68657 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/eff_config/eff_config.C
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/eff_config/eff_config.C
@@ -2861,21 +2861,16 @@ fapi2::ReturnCode eff_config::geardown_mode(const fapi2::Target<TARGET_TYPE_DIMM
// Attribute storage
uint8_t l_2n_autoset = 0;
uint8_t l_2n_mrw_mode = 0;
- FAPI_TRY( mss::vpd_mr_mc_2n_mode_autoset(i_target, l_2n_autoset) );
+ FAPI_TRY( mss::vpd_mr_mc_2n_mode_autoset(l_mcs, l_2n_autoset) );
FAPI_TRY( mss::mrw_dram_2n_mode(l_2n_mrw_mode) );
// Geardown maps directly to autoset = 0 gets 1/2 rate, 1 get 1/4 rate.
FAPI_TRY( eff_geardown_mode(l_mcs, l_attrs_geardown_mode.data()) );
// If the MRW states 'auto' we use what's in VPD, otherwise we use what's in the MRW.
- // (Errr ... does this make sense? The MRW is really just another form of VPD ...)
- if (l_2n_mrw_mode != fapi2::ENUM_ATTR_MSS_MRW_DRAM_2N_MODE_AUTO)
- {
- // MRW values are 1 and 2 (to make room for 0 being the default.) So we subtract one.
- l_2n_autoset = l_2n_mrw_mode - 1;
- }
-
- l_attrs_geardown_mode[l_port_num] = l_2n_autoset;
+ // We remove 1 from the value as that matches the expectations in the MR perfectly.
+ l_attrs_geardown_mode[l_port_num] = (l_2n_mrw_mode != fapi2::ENUM_ATTR_MSS_MRW_DRAM_2N_MODE_AUTO) ?
+ l_2n_mrw_mode - 1 : l_2n_autoset - 1;
FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_GEARDOWN_MODE,
l_mcs,
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