diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C b/src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C index bb15eaf01..49f68e57e 100644 --- a/src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C +++ b/src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C @@ -79,6 +79,8 @@ fapi2::ReturnCode p9_io_obus_linktrain(const OBUS_TGT& i_tgt) char l_tgt_str[fapi2::MAX_ECMD_STRING_LEN]; fapi2::toString(i_tgt, l_tgt_str, fapi2::MAX_ECMD_STRING_LEN); fapi2::buffer<uint64_t> l_data = 0; + fapi2::buffer<uint64_t> l_dl_control_data; + fapi2::buffer<uint64_t> l_dl_control_mask; fapi2::ATTR_PROC_FABRIC_LINK_ACTIVE_Type l_fbc_active; fapi2::ATTR_LINK_TRAIN_Type l_link_train; fapi2::ATTR_CHIP_EC_FEATURE_HW419022_Type l_hw419022 = 0; @@ -178,13 +180,11 @@ fapi2::ReturnCode p9_io_obus_linktrain(const OBUS_TGT& i_tgt) // DD1.1+ HW Start training sequence if(!l_hw419022) { - - l_data.flush<0>(); - // clear TX lane control overrides if (l_even) { - l_data.setBit<OBUS_LL0_IOOL_CONTROL_LINK0_PHY_TRAINING>(); + l_dl_control_data.setBit<OBUS_LL0_IOOL_CONTROL_LINK0_PHY_TRAINING>(); + l_dl_control_mask.setBit<OBUS_LL0_IOOL_CONTROL_LINK0_PHY_TRAINING>(); FAPI_TRY(fapi2::putScom(i_tgt, OBUS_LL0_IOOL_LINK0_TX_LANE_CONTROL, @@ -194,7 +194,8 @@ fapi2::ReturnCode p9_io_obus_linktrain(const OBUS_TGT& i_tgt) if (l_odd) { - l_data.setBit<OBUS_LL0_IOOL_CONTROL_LINK1_PHY_TRAINING>(); + l_dl_control_data.setBit<OBUS_LL0_IOOL_CONTROL_LINK1_PHY_TRAINING>(); + l_dl_control_mask.setBit<OBUS_LL0_IOOL_CONTROL_LINK1_PHY_TRAINING>(); FAPI_TRY(fapi2::putScom(i_tgt, OBUS_LL0_IOOL_LINK1_TX_LANE_CONTROL, @@ -203,7 +204,10 @@ fapi2::ReturnCode p9_io_obus_linktrain(const OBUS_TGT& i_tgt) } // Start phy training - FAPI_TRY(fapi2::putScom(i_tgt, OBUS_LL0_IOOL_CONTROL, l_data), + FAPI_TRY(fapi2::putScomUnderMask(i_tgt, + OBUS_LL0_IOOL_CONTROL, + l_dl_control_data, + l_dl_control_mask), "Error writing DLL control register (0x%08X)!", OBUS_LL0_IOOL_CONTROL); } |
