diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H | 52 |
1 files changed, 42 insertions, 10 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H index 538a650ba..5df44c13c 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/nvdimm_utils.H @@ -37,6 +37,7 @@ #include <generic/memory/lib/utils/find.H> #include <lib/shared/mss_const.H> #include <lib/ccs/ccs.H> +#include <lib/phy/dp16.H> namespace mss { @@ -114,16 +115,6 @@ template< fapi2::TargetType T > fapi2::ReturnCode self_refresh_exit( const fapi2::Target<T>& i_target ); /// -/// @brief Latch write vref at per-dram basis -/// @tparam T the target type associated with this subroutine -/// @param[in] i_target the target associated with this subroutine -/// @return FAPI2_RC_SUCCESS iff setup was successful -/// - -template< fapi2::TargetType T > -fapi2::ReturnCode pda_vref_latch( const fapi2::Target<T>& i_target ); - -/// /// @brief Disable powerdown mode in rc09 /// @param[in] i_target, a fapi2::Target<TARGET_TYPE_DIMM> /// @param[in,out] io_inst a vector of CCS instructions we should add to @@ -163,6 +154,13 @@ fapi2::ReturnCode rcd_restore( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_ta fapi2::ReturnCode post_restore_zqcal( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target); /// +/// @brief Latch write vref +/// @param[in] i_target the target associated with this subroutine +/// @return FAPI2_RC_SUCCESS iff setup was successful +/// +fapi2::ReturnCode wr_vref_latch( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target ); + +/// /// @brief Full post-restore transition for NVDIMM /// @tparam T the target type associated with this subroutine /// @param[in] i_target the target associated with this subroutine @@ -180,6 +178,40 @@ fapi2::ReturnCode post_restore_transition( const fapi2::Target<T>& i_target ); /// fapi2::ReturnCode preload_epow_sequence( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target ); +namespace wr_vref +{ + +/// +/// @brief Helper to extract the values and ranges from wr_vref_value reg, and +/// convert JEDEC value to composite +/// @param[in] i_data - wr vref reg data +/// @param[out] o_values - vector of composite value +/// +inline void get_wr_vref_composite_value_helper(const fapi2::buffer<uint64_t> i_data, + std::vector<uint64_t>& o_values) +{ + FAPI_DBG("get_wr_vref_composite_value_helper() i_data = 0x%016lx", i_data); + const std::vector<uint64_t> DRAMS = {0, 1}; + + for (const auto l_dram : DRAMS) + { + uint64_t l_wr_vref_val = 0; + bool l_wr_vref_range = 0; + uint64_t l_composite_vref = 0; + + mss::dp16::wr_vref::get_wr_vref_value(i_data, l_dram, l_wr_vref_val); + mss::dp16::wr_vref::get_wr_vref_range(i_data, l_dram, l_wr_vref_range); + + l_composite_vref = mss::dp16::wr_vref::compute_composite_value(l_wr_vref_range, l_wr_vref_val); + + FAPI_DBG("l_composite_vref: 0x%016lx", l_composite_vref); + + o_values.push_back(l_composite_vref); + } +} + +}//ns wr_vref + }//ns nvdimm }//ns mss |
