diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C')
-rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C b/src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C index ed1cbb30b..e0615943f 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C +++ b/src/import/chips/p9/procedures/hwp/memory/lib/fir/check.C @@ -181,6 +181,52 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Check FIR bits during draminit training +/// @param[in] i_target the dimm that was trained +/// @note We check for fir errors after training each rank +/// to see if there was a problem with the engine. +/// FFDC errors returned from this will be handled similar to other training errors: +/// Logged as informational if it affects less than a nibble and a bit. +/// Reported if it affects more than that +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff ok +/// +template<> +fapi2::ReturnCode during_draminit_training( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target) +{ + const auto& l_mca = mss::find_target<fapi2::TARGET_TYPE_MCA>(i_target); + + // Creating a mask to check for FIR errors. + // These are DP16 parity errors that would be triggered in case of a general PHY error + // During draminit_training, this would mean a training error dealing with the PHY + fapi2::buffer<uint64_t> l_phyfir_mask; + l_phyfir_mask.setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_0>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_1>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_2>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_3>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_4>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_5>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_6>() + .setBit<MCA_IOM_PHY0_DDRPHY_FIR_REG_ERROR_7>(); + + fapi2::buffer<uint64_t> l_phyfir_data; + fapi2::buffer<uint64_t> l_phyfir_masked; + + FAPI_TRY( mss::getScom(l_mca, MCA_IOM_PHY0_DDRPHY_FIR_REG, l_phyfir_data) ); + + l_phyfir_masked = l_phyfir_data & l_phyfir_mask; + + FAPI_ASSERT( l_phyfir_masked == 0, + fapi2::MSS_DRAMINIT_TRAINING_PORT_FIR() + .set_PHY_FIR(l_phyfir_masked) + .set_DIMM_TARGET(i_target) + .set_MCA_TARGET(l_mca), + "Initial CAL failed: Reporting FIR bits set for %s ( phy: 0x%016lx", + mss::c_str(i_target), l_phyfir_masked); + +fapi_try_exit: + return fapi2::current_err; +} } } |