diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H b/src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H index 33a9f3c4c..b2c7b98c6 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/phy/dp16.H @@ -123,6 +123,15 @@ class dp16Traits<fapi2::TARGET_TYPE_MCA> // any of this for some time. static constexpr uint64_t DLL_PER_DP16 = 2; + // Maximum and minimum RD_VREF percentage of VDD. We only test against max and min because + // there are so many allowable values. + static constexpr uint64_t MAX_RD_VREF = fapi2::ENUM_ATTR_MSS_VPD_MT_VREF_MC_RD_VDD91875; + static constexpr uint64_t MIN_RD_VREF = fapi2::ENUM_ATTR_MSS_VPD_MT_VREF_MC_RD_VDD31208; + + // Constants used for converting RD_VREF percentage to DAC settings, normalized to integers + static constexpr uint64_t RD_VREF_DVDD = 12; + static constexpr uint64_t RD_VREF_DAC_STEP = 6500; + // Vectors of DP16 registers. The pair represents the two DLL in per DP16 static const std::vector< std::pair<uint64_t, uint64_t> > DLL_CNFG_REG; static const std::vector< std::pair<uint64_t, uint64_t> > DLL_DAC_LOWER_REG; @@ -137,6 +146,7 @@ class dp16Traits<fapi2::TARGET_TYPE_MCA> static const std::vector< std::pair<uint64_t, uint64_t> > AC_BOOST_CNTRL_REG; static const std::vector< std::pair<uint64_t, uint64_t> > CTLE_CNTRL_REG; + static const std::vector< std::pair<uint64_t, uint64_t> > RD_VREF_CNTRL_REG; static const std::vector< uint64_t > DATA_BIT_DIR1; enum @@ -161,9 +171,32 @@ class dp16Traits<fapi2::TARGET_TYPE_MCA> CTLE_ODD_CAP_LEN = MCA_DDRPHY_DP16_CTLE_CTL_BYTE0_P0_0_01_NIB_1_3_DQSEL_CAP_LEN, CTLE_ODD_RES = MCA_DDRPHY_DP16_CTLE_CTL_BYTE0_P0_0_01_NIB_1_3_DQSEL_RES, CTLE_ODD_RES_LEN = MCA_DDRPHY_DP16_CTLE_CTL_BYTE0_P0_0_01_NIB_1_3_DQSEL_RES_LEN, + + RD_VREF_BYTE0_NIB0 = MCA_DDRPHY_DP16_RD_VREF_BYTE0_DAC_P0_0_01_NIB0, + RD_VREF_BYTE0_NIB0_LEN = MCA_DDRPHY_DP16_RD_VREF_BYTE0_DAC_P0_0_01_NIB0_LEN, + RD_VREF_BYTE0_NIB1 = MCA_DDRPHY_DP16_RD_VREF_BYTE0_DAC_P0_0_01_NIB1, + RD_VREF_BYTE0_NIB1_LEN = MCA_DDRPHY_DP16_RD_VREF_BYTE0_DAC_P0_0_01_NIB1_LEN, + RD_VREF_BYTE1_NIB2 = MCA_DDRPHY_DP16_RD_VREF_BYTE1_DAC_P0_0_01_NIB2, + RD_VREF_BYTE1_NIB2_LEN = MCA_DDRPHY_DP16_RD_VREF_BYTE1_DAC_P0_0_01_NIB2_LEN, + RD_VREF_BYTE1_NIB3 = MCA_DDRPHY_DP16_RD_VREF_BYTE1_DAC_P0_0_01_NIB3, + RD_VREF_BYTE1_NIB3_LEN = MCA_DDRPHY_DP16_RD_VREF_BYTE1_DAC_P0_0_01_NIB3_LEN, }; }; +/// +/// @brief Given a RD_VREF value, create a PHY 'standard' bit field for that percentage. +/// @tparam T fapi2 Target Type - derived +/// @tparam TT traits type defaults to dp16Traits<T> +/// @param[in] i_target the fapi2 target of the port +/// @param[in] i_vref the value from the mss_vpd_mt_vref_mc_rd attribute for your target +/// @param[out] o_bitfield value of DAC bitfield for given VREF setting +/// @return FAPI2_RC_SUCCESS iff ok +/// +template< fapi2::TargetType T, typename TT = dp16Traits<T> > +fapi2::ReturnCode rd_vref_bitfield_helper( const fapi2::Target<T>& i_target, + const uint32_t i_vref, + uint64_t& o_bitfield ); + namespace dp16 { @@ -528,6 +561,16 @@ template< fapi2::TargetType T, typename TT = dp16Traits<T> > fapi2::ReturnCode reset_dll_vreg_config1( const fapi2::Target<T>& i_target ); /// +/// @brief Configure Read VREF Registers +/// @tparam T the fapi2::TargetType +/// @tparam TT the target traits +/// @param[in] i_target a fapi2 target +/// @return FAPI2_RC_SUCCESs iff ok +/// +template< fapi2::TargetType T, typename TT = dp16Traits<T> > +fapi2::ReturnCode reset_rd_vref( const fapi2::Target<T>& i_target ); + +/// /// Specializations /// @@ -598,6 +641,13 @@ fapi2::ReturnCode reset_io_tx_config0( const fapi2::Target<fapi2::TARGET_TYPE_MC /// fapi2::ReturnCode reset_dll_vreg_config1( const fapi2::Target<fapi2::TARGET_TYPE_MCBIST>& i_target ); +/// +/// @brief Configure Read VREF Registers +/// @param[in] i_target a MCA target +/// @return FAPI2_RC_SUCCESs iff ok +/// +fapi2::ReturnCode reset_rd_vref( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target ); + } // close namespace dp16 } // close namespace mss |
