diff options
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/io/p9_io_obus_linktrain.C | 41 |
1 files changed, 14 insertions, 27 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 14d9f82ce..9431835f3 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 @@ -234,16 +234,6 @@ pdwn_bad_lane( FAPI_DBG("Start, lane=%d", i_lane); - // skip if already powered down - FAPI_TRY(io::read(OPT_RX_LANE_ANA_PDWN, i_tgt, i_group, i_lane, l_data), - "Error reading OPT_RX_LANE_ANA_PDWN"); - - if (io::get(OPT_RX_LANE_ANA_PDWN, l_data) == 1) - { - FAPI_DBG("Skipping this lane, already powered down"); - goto fapi_try_exit; - } - FAPI_DBG("Marking powerdown"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_IO_OBUS_LANE_PDWN, i_tgt, @@ -623,25 +613,22 @@ fapi2::ReturnCode p9_io_obus_linktrain(const OBUS_TGT& i_tgt) // at IPL time, power down any unneeded lanes (not physically connected or // unused half-link) - if (!l_train_for_recovery) + for (uint8_t ii = 0; ii < MAX_LANES; ii++) { - for (uint8_t ii = 0; ii < MAX_LANES; ii++) + if (((ii >= ((MAX_LANES / 2) - 1)) && (ii <= (MAX_LANES / 2))) || // unused lanes, always pdwn + (!l_train_for_recovery && !l_even && (ii < ((MAX_LANES / 2) - 1))) || // even link is unused + (!l_train_for_recovery && !l_odd && (ii >= ((MAX_LANES / 2) + 1)))) // odd link is unused { - if (((ii >= ((MAX_LANES / 2) - 1)) && (ii <= (MAX_LANES / 2))) || // unused lanes, always pdwn - (!l_even && (ii < ((MAX_LANES / 2) - 1))) || // even link is unused - (!l_odd && (ii >= ((MAX_LANES / 2) + 1)))) // odd link is unused - { - FAPI_TRY(pdwn_bad_lane(i_tgt, - GRP0, - ii), - "Error from pdwn_bad_lane, even, local end, lane: %d", - ii); - FAPI_TRY(pdwn_bad_lane(l_rem_tgt, - GRP0, - ii), - "Error from pdwn_bad_lane, even, remote end, lane: %d", - ii); - } + FAPI_TRY(pdwn_bad_lane(i_tgt, + GRP0, + ii), + "Error from pdwn_bad_lane, even, local end, lane: %d", + ii); + FAPI_TRY(pdwn_bad_lane(l_rem_tgt, + GRP0, + ii), + "Error from pdwn_bad_lane, even, remote end, lane: %d", + ii); } } |
