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authorStephen Glancy <sglancy@us.ibm.com>2018-10-22 21:33:27 -0500
committerDaniel M. Crowell <dcrowell@us.ibm.com>2018-11-05 22:13:42 -0600
commit40a34c94a981ebfe9e1ff95263663cda0cbaaa42 (patch)
tree57700c15ce4fa9a6e2c91488a77a866b68004074 /src/import/chips/p9/procedures/hwp/memory/lib/dimm
parent0e15017d11ea9ff2dd705119feeb9ed73ed405dc (diff)
downloadtalos-hostboot-40a34c94a981ebfe9e1ff95263663cda0cbaaa42.tar.gz
talos-hostboot-40a34c94a981ebfe9e1ff95263663cda0cbaaa42.zip
Fixes LRDIMM eff_config bugs
Change-Id: I74dd2332bda79ab9578d450ba74322fd953b1f46 Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/67863 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: Louis Stermole <stermole@us.ibm.com> Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com> Dev-Ready: STEPHEN GLANCY <sglancy@us.ibm.com> Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com> Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com> Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com> Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com> Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/68244 Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/dimm')
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/dimm/bcw_load_ddr4.C16
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/data_buffer_ddr4.H9
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/mrs01.C4
-rwxr-xr-x[-rw-r--r--]src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.C617
-rw-r--r--src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H212
5 files changed, 756 insertions, 102 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/bcw_load_ddr4.C b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/bcw_load_ddr4.C
index 92e65bc5d..353973562 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/bcw_load_ddr4.C
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/bcw_load_ddr4.C
@@ -100,6 +100,7 @@ fapi2::ReturnCode bcw_load_ddr4( const fapi2::Target<TARGET_TYPE_DIMM>& i_target
{ FUNC_SPACE_0, DQ_DRIVER_CW, eff_dimm_ddr4_bc03, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_0, MDQ_RTT_CW, eff_dimm_ddr4_bc04, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_0, MDQ_DRIVER_CW, eff_dimm_ddr4_bc05, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
+ { FUNC_SPACE_0, CMD_SPACE_CW, eff_dimm_ddr4_bc06, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_0, RANK_PRESENCE_CW, eff_dimm_ddr4_bc07, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_0, RANK_SELECTION_CW, eff_dimm_ddr4_bc08, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_0, POWER_SAVING_CW, eff_dimm_ddr4_bc09, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
@@ -111,14 +112,23 @@ fapi2::ReturnCode bcw_load_ddr4( const fapi2::Target<TARGET_TYPE_DIMM>& i_target
{ FUNC_SPACE_0, ERROR_STATUS_CW, eff_dimm_ddr4_bc0f, mss::tmrc() , CW4_DATA_LEN, cw_info::BCW},
// 8-bit BCW's now
- // Function space 6
- { FUNC_SPACE_6, FUNC_SPACE_SELECT_CW, FUNC_SPACE_6, mss::tmrd(), CW8_DATA_LEN, cw_info::BCW},
- { FUNC_SPACE_6, BUFF_TRAIN_CONFIG_CW, eff_dimm_ddr4_f6bc4x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
+ // Function space 0 - we're already there, so that's nice
+ { FUNC_SPACE_0, BUFF_CONFIG_CW, eff_dimm_ddr4_f0bc1x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
+ { FUNC_SPACE_0, LRDIMM_OPERATING_SPEED, eff_dimm_ddr4_f0bc6x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
+
+ // Function space 2
+ { FUNC_SPACE_2, FUNC_SPACE_SELECT_CW, FUNC_SPACE_2, mss::tmrd(), CW8_DATA_LEN, cw_info::BCW},
+ { FUNC_SPACE_2, HOST_DFE, eff_dimm_ddr4_f2bcex, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
// Function space 5
{ FUNC_SPACE_5, FUNC_SPACE_SELECT_CW, FUNC_SPACE_5, mss::tmrd(), CW8_DATA_LEN, cw_info::BCW},
+ { FUNC_SPACE_5, HOST_VREF_CW, eff_dimm_ddr4_f5bc5x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
{ FUNC_SPACE_5, DRAM_VREF_CW, eff_dimm_ddr4_f5bc6x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
+ // Function space 6
+ { FUNC_SPACE_6, FUNC_SPACE_SELECT_CW, FUNC_SPACE_6, mss::tmrd(), CW8_DATA_LEN, cw_info::BCW},
+ { FUNC_SPACE_6, BUFF_TRAIN_CONFIG_CW, eff_dimm_ddr4_f6bc4x, mss::tmrc(), CW8_DATA_LEN, cw_info::BCW},
+
// So, we always want to know what function space we're in
// The way to do that is to always return to one function space
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/data_buffer_ddr4.H b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/data_buffer_ddr4.H
index 055757b19..00f06bf93 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/data_buffer_ddr4.H
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/data_buffer_ddr4.H
@@ -91,9 +91,12 @@ enum db02_def : size_t
FUNC_SPACE_SELECT_CW = 0x7,
// 8 bit BCWs
- BUFF_CONFIG_CW = 0x1,
- DRAM_VREF_CW = 0x6,
- BUFF_TRAIN_CONFIG_CW = 0x4,
+ BUFF_CONFIG_CW = 0x1, // Func space 0
+ LRDIMM_OPERATING_SPEED = 0x6, // Func space 0
+ HOST_DFE = 0xE, // Func space 2
+ HOST_VREF_CW = 0x5, // Func space 5
+ DRAM_VREF_CW = 0x6, // Func space 5
+ BUFF_TRAIN_CONFIG_CW = 0x4, // Func space 6
};
namespace ddr4
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/mrs01.C b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/mrs01.C
index 3fd08b8a0..834ee1ead 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/mrs01.C
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/mrs01.C
@@ -5,7 +5,7 @@
/* */
/* OpenPOWER HostBoot Project */
/* */
-/* Contributors Listed Below - COPYRIGHT 2016,2017 */
+/* Contributors Listed Below - COPYRIGHT 2016,2018 */
/* [+] International Business Machines Corp. */
/* */
/* */
@@ -62,7 +62,7 @@ mrs01_data::mrs01_data( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target,
iv_qoff(0)
{
FAPI_TRY( mss::eff_dram_dll_enable(i_target, iv_dll_enable), "Error in mrs01_data()" );
- FAPI_TRY( mss::vpd_mt_dram_drv_imp_dq_dqs(i_target, &(iv_odic[0])), "Error in mrs01_data()" );
+ FAPI_TRY( mss::eff_dram_odic(i_target, &(iv_odic[0])), "Error in mrs01_data()" );
FAPI_TRY( mss::eff_dram_al(i_target, iv_additive_latency), "Error in mrs01_data()" );
FAPI_TRY( mss::eff_dram_wr_lvl_enable(i_target, iv_wl_enable), "Error in mrs01_data()" );
FAPI_TRY( mss::eff_dram_rtt_nom(i_target, &(iv_rtt_nom[0])), "Error in mrs01_data()" );
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.C b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.C
index ae55f78e0..b5e562a39 100644..100755
--- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.C
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.C
@@ -312,9 +312,20 @@ enum rc3x_encode : uint8_t
enum bc03_encode : uint8_t
{
// Bit position of the BC03 bit to enable/ disable DQ/ DQS drivers
- BC03_DQ_DISABLE_POS = 4,
- BC03_DQ_DISABLE = 1,
- BC03_DQ_ENABLE = 0,
+ BC03_HOST_DQ_DISABLE_POS = 4,
+ BC03_HOST_DQ_DISABLE = 1,
+ BC03_HOST_DQ_ENABLE = 0,
+};
+
+///
+/// @brief bc05_encode enums for DRAM Interface MDQ Driver Control Word
+///
+enum bc05_encode : uint8_t
+{
+ // Bit position of the BC05 bit to enable/ disable DQ/ DQS drivers
+ BC05_DRAM_DQ_DRIVER_DISABLE_POS = 4,
+ BC05_DRAM_DQ_DRIVER_DISABLE = 1,
+ BC05_DRAM_DQ_DRIVER_ENABLE = 0,
};
@@ -329,6 +340,7 @@ enum bc09_encode : uint8_t
BC09_CKE_POWER_DOWN_ENABLE_POS = 4,
BC09_CKE_POWER_ODT_OFF = 1,
BC09_CKE_POWER_ODT_ON = 0,
+ BC09_CKE_POWER_ODT_POS = 5,
};
///
@@ -348,6 +360,7 @@ enum invalid_freq_function_encoding : uint8_t
RC0A = 0x0a,
RC3X = 0x30,
BC0A = 0x0a,
+ F0BC6X = 0x60,
};
///
@@ -1405,6 +1418,28 @@ fapi_try_exit:
}
///
+/// @brief Determines & sets effective config for DRAM output driver impedance control
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_rdimm::dram_odic()
+{
+ uint8_t l_dram_odic[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vpd_odic[MAX_RANK_PER_DIMM];
+ FAPI_TRY( eff_dram_odic(iv_mcs, &l_dram_odic[0][0][0]));
+
+ // Gets the VPD value
+ FAPI_TRY( mss::vpd_mt_dram_drv_imp_dq_dqs(iv_dimm, &(l_vpd_odic[0])));
+
+ // Updates DRAM ODIC with the VPD value
+ memcpy(&(l_dram_odic[iv_port_index][iv_dimm_index][0]), l_vpd_odic, MAX_RANK_PER_DIMM);
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DRAM_ODIC, iv_mcs, l_dram_odic) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
/// @brief Determines & sets effective config for tCCD_L
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -1891,8 +1926,8 @@ fapi2::ReturnCode eff_dimm::dimm_rc09()
// 2) Gets the ODT values for the other DIMM
uint8_t l_wr_odt[MAX_RANK_PER_DIMM] = {};
uint8_t l_rd_odt[MAX_RANK_PER_DIMM] = {};
- FAPI_TRY(vpd_mt_odt_rd(l_other_dimm, l_rd_odt));
- FAPI_TRY(vpd_mt_odt_wr(l_other_dimm, l_wr_odt));
+ FAPI_TRY(eff_odt_rd(l_other_dimm, l_rd_odt));
+ FAPI_TRY(eff_odt_wr(l_other_dimm, l_wr_odt));
// 3) Checks whether this DIMM's ODTs are used for writes or reads that target the other DIMMs
for(uint8_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
@@ -2862,6 +2897,42 @@ fapi_try_exit:
}
///
+/// @brief Determines & sets effective config for Vref DQ Train Value and Range
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
+fapi2::ReturnCode eff_lrdimm::vref_dq_train_value_and_range()
+{
+ uint8_t l_vref_dq_train_value[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vref_dq_train_range[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ fapi2::buffer<uint8_t> l_vref_range;
+
+ // Gets the attributes
+ FAPI_TRY( eff_vref_dq_train_value(iv_mcs, &l_vref_dq_train_value[0][0][0]) );
+ FAPI_TRY( eff_vref_dq_train_range(iv_mcs, &l_vref_dq_train_range[0][0][0]) );
+
+ // Using hardcoded values for 2R settings from the IBM SI team
+ // It should be good enough to get us going
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
+ {
+ constexpr uint8_t VREF_79PERCENT = 0x1d;
+ // Yes, range1 has a value of 0 this is taken from the JEDEC spec
+ constexpr uint8_t RANGE1 = 0x00;
+ l_vref_dq_train_value[iv_port_index][iv_dimm_index][l_rank] = VREF_79PERCENT;
+ l_vref_dq_train_range[iv_port_index][iv_dimm_index][l_rank] = RANGE1;
+ }
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_VREF_DQ_TRAIN_VALUE, iv_mcs, l_vref_dq_train_value),
+ "Failed setting attribute for ATTR_EFF_VREF_DQ_TRAIN_VALUE");
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_VREF_DQ_TRAIN_RANGE, iv_mcs, l_vref_dq_train_range),
+ "Failed setting attribute for ATTR_EFF_VREF_DQ_TRAIN_RANGE");
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
/// @brief Determines & sets effective config for Vref DQ Train Enable
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -4279,7 +4350,7 @@ fapi2::ReturnCode eff_rdimm::dram_rtt_nom()
// Indexed by denominator. So, if RQZ is 240, and you have OHM240, then you're looking
// for mss::index 1. So this doesn't correspond directly with the table in the JEDEC spec,
// as that's not in "denominator order."
- // 0 RQZ/1 RQZ/2 RQZ/3 RQZ/4 RQZ/5 RQZ/6 RQZ/7
+ // 0 RQZ/1 RQZ/2 RQZ/3 RQZ/4 RQZ/5 RQZ/6 RQZ/7
constexpr uint8_t rtt_nom_map[RTT_NOM_MAP_SIZE] = { 0, 0b100, 0b010, 0b110, 0b001, 0b101, 0b011, 0b111 };
size_t l_rtt_nom_index = 0;
@@ -4329,24 +4400,21 @@ fapi_try_exit:
/// @return fapi2::FAPI2_RC_SUCCESS if okay
/// @note used for MRS01
///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
fapi2::ReturnCode eff_lrdimm::dram_rtt_nom()
{
- std::vector< uint64_t > l_ranks;
-
- uint8_t l_decoder_val = 0;
uint8_t l_mcs_attrs[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
FAPI_TRY( eff_dram_rtt_nom(iv_mcs, &l_mcs_attrs[0][0][0]) );
- // Get the value from the LRDIMM SPD
- FAPI_TRY( iv_spd_decoder.dram_rtt_nom(iv_freq, l_decoder_val));
-
- // Plug into every rank position for the attribute so it'll fit the same style as the RDIMM value
- // Same value for every rank for LRDIMMs
- FAPI_TRY(mss::rank::ranks(iv_dimm, l_ranks));
-
- for (const auto& l_rank : l_ranks)
+ // The host is in charge of ensuring good termination from the buffer to the DRAM
+ // That means that we need to know and set the settings
+ // Currently, our SI team thinks that the 2R single drop open power settings will work for BUP
+ // We're going to hard code in those settings the above story can be used as a catchall to improve settings if need be
+ // Loops through all ranks
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
{
- l_mcs_attrs[iv_port_index][iv_dimm_index][mss::index(l_rank)] = l_decoder_val;
+ // Taking the 34ohm value from up above
+ l_mcs_attrs[iv_port_index][iv_dimm_index][l_rank] = 0b111;
}
FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DRAM_RTT_NOM, iv_mcs, l_mcs_attrs) );
@@ -4413,23 +4481,21 @@ fapi_try_exit:
/// @return fapi2::FAPI2_RC_SUCCESS if okay
/// @note used for MRS02
///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
fapi2::ReturnCode eff_lrdimm::dram_rtt_wr()
{
- std::vector< uint64_t > l_ranks;
-
- uint8_t l_decoder_val = 0;
uint8_t l_mcs_attrs[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ FAPI_TRY( eff_dram_rtt_wr(iv_mcs, &l_mcs_attrs[0][0][0]) );
- // Get the value from the LRDIMM SPD
- FAPI_TRY( iv_spd_decoder.dram_rtt_wr(iv_freq, l_decoder_val));
-
- // Plug into every rank position for the attribute so it'll fit the same style as the RDIMM value
- // Same value for every rank for LRDIMMs
- FAPI_TRY(mss::rank::ranks(iv_dimm, l_ranks));
-
- for (const auto& l_rank : l_ranks)
+ // The host is in charge of ensuring good termination from the buffer to the DRAM
+ // That means that we need to know and set the settings
+ // Currently, our SI team thinks that the 2R single drop open power settings will work for BUP
+ // We're going to hard code in those settings the above story can be used as a catchall to improve settings if need be
+ // Loops through all ranks
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
{
- l_mcs_attrs[iv_port_index][iv_dimm_index][mss::index(l_rank)] = l_decoder_val;
+ // Taking the disable value from up above
+ l_mcs_attrs[iv_port_index][iv_dimm_index][l_rank] = 0b000;
}
// Set the attribute
@@ -4488,27 +4554,23 @@ fapi_try_exit:
/// @return fapi2::FAPI2_RC_SUCCESS if okay
/// @note used for MRS05
///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
fapi2::ReturnCode eff_lrdimm::dram_rtt_park()
{
uint8_t l_mcs_attrs[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
- uint8_t l_decoder_val_01 = 0;
- uint8_t l_decoder_val_23 = 0;
FAPI_TRY( eff_dram_rtt_park(iv_mcs, &l_mcs_attrs[0][0][0]) );
- // Get the value from the LRDIMM SPD
- FAPI_TRY( iv_spd_decoder.dram_rtt_park_ranks0_1(iv_freq, l_decoder_val_01),
- "%s failed to decode RTT_PARK for ranks 0/1", mss::c_str(iv_mcs) );
- FAPI_TRY( iv_spd_decoder.dram_rtt_park_ranks2_3(iv_freq, l_decoder_val_23),
- "%s failed to decode RTT_PARK for ranks 2/3", mss::c_str(iv_mcs) );
-
- // Setting the four rank values for this dimm
- // Rank 0 and 1 have the same value, l_decoder_val_01
- // Rank 2 and 3 have the same value, l_decoder_val_23
- l_mcs_attrs[iv_port_index][iv_dimm_index][0] = l_decoder_val_01;
- l_mcs_attrs[iv_port_index][iv_dimm_index][1] = l_decoder_val_01;
- l_mcs_attrs[iv_port_index][iv_dimm_index][2] = l_decoder_val_23;
- l_mcs_attrs[iv_port_index][iv_dimm_index][3] = l_decoder_val_23;
+ // The host is in charge of ensuring good termination from the buffer to the DRAM
+ // That means that we need to know and set the settings
+ // Currently, our SI team thinks that the 2R single drop open power settings will work for BUP
+ // We're going to hard code in those settings the above story can be used as a catchall to improve settings if need be
+ // Loops through all ranks
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
+ {
+ // Taking the disable value from up above
+ l_mcs_attrs[iv_port_index][iv_dimm_index][l_rank] = 0b000;
+ }
FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DRAM_RTT_PARK, iv_mcs, l_mcs_attrs) );
@@ -4599,13 +4661,16 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc01()
uint8_t l_dram_rtt_wr[MAX_RANK_PER_DIMM];
FAPI_TRY( mss::vpd_mt_dram_rtt_wr(iv_dimm, &(l_dram_rtt_wr[0])) );
+ // Rzq is 240, so calculate from there
static const std::vector< std::pair<uint8_t, uint8_t> > l_rtt_wr_map =
{
{fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_DISABLE, 0b000},
- {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_HIGHZ, 0b011},
- {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM80, 0b100}, // RZQ/3
- {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM120, 0b001}, // RZQ/2
- {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM240, 0b010}
+ {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_HIGHZ, 0b111},
+ // Note: we don't have this value for DDR4 RTT_WR, so we don't have a constant for it
+ {60, 0b001}, // RZQ/4
+ {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM80, 0b110}, // RZQ/3
+ {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM120, 0b010}, // RZQ/2
+ {fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_WR_OHM240, 0b100} // RZQ/1
};
FAPI_ASSERT( mss::find_value_from_key(l_rtt_wr_map, l_dram_rtt_wr[l_rank], l_encoding),
@@ -4643,29 +4708,38 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc02()
// Retrieve MCS attribute data
uint8_t l_attrs_dimm_bc02[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
- {
- uint8_t l_rank = 0;
- // Indexed by denominator. So, if RQZ is 240, and you have OHM240, then you're looking
- // for mss::index 1. So this doesn't correspond directly with the table in the JEDEC spec,
- // as that's not in "denominator order."
- constexpr uint64_t RTT_PARK_COUNT = 8;
- // 0 RQZ/1 RQZ/2 RQZ/3 RQZ/4 RQZ/5 RQZ/6 RQZ/7
- constexpr uint8_t rtt_park_map[RTT_PARK_COUNT] = { 0, 0b100, 0b010, 0b110, 0b001, 0b101, 0b011, 0b111 };
+ uint8_t l_rank = 0;
+ // Indexed by denominator. So, if RQZ is 240, and you have OHM240, then you're looking
+ // for mss::index 1. So this doesn't correspond directly with the table in the JEDEC spec,
+ // as that's not in "denominator order."
+ constexpr uint64_t RTT_PARK_COUNT = 8;
+ // 0 RQZ/1 RQZ/2 RQZ/3 RQZ/4 RQZ/5 RQZ/6 RQZ/7
+ constexpr uint8_t rtt_park_map[RTT_PARK_COUNT] = { 0, 0b100, 0b010, 0b110, 0b001, 0b101, 0b011, 0b111 };
- uint8_t l_rtt_park[MAX_RANK_PER_DIMM];
+ uint8_t l_rtt_park[MAX_RANK_PER_DIMM];
+ uint8_t l_rtt_park_index = 0;
- FAPI_TRY( mss::vpd_mt_dram_rtt_park(iv_dimm, &(l_rtt_park[0])) );
+ FAPI_TRY( mss::vpd_mt_dram_rtt_park(iv_dimm, &(l_rtt_park[0])) );
- // Calculate the value for each rank and store in attribute
- uint8_t l_rtt_park_index = 0;
+ // We have to be careful about 0
+ l_rtt_park_index = (l_rtt_park[l_rank] == 0) ?
+ 0 : fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_PARK_240OHM / l_rtt_park[l_rank];
- // We have to be careful about 0
- l_rtt_park_index = (l_rtt_park[l_rank] == 0) ?
- 0 : fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_RTT_PARK_240OHM / l_rtt_park[l_rank];
+ // Make sure it's a valid index
+ FAPI_ASSERT( l_rtt_park_index < RTT_PARK_COUNT,
+ fapi2::MSS_INVALID_RTT_PARK_CALCULATIONS()
+ .set_RANK(l_rank)
+ .set_RTT_PARK_INDEX(l_rtt_park_index)
+ .set_RTT_PARK_FROM_VPD(l_rtt_park[mss::index(l_rank)])
+ .set_DIMM_TARGET(iv_dimm),
+ "Error calculating RTT_PARK for target %s rank %d, rtt_park from vpd is %d, index is %d",
+ mss::c_str(iv_dimm),
+ l_rank,
+ l_rtt_park[mss::index(l_rank)],
+ l_rtt_park_index);
- // Map from RTT_PARK array to the value in the map
- l_decoder_val = rtt_park_map[l_rtt_park_index];
- }
+ // Map from RTT_PARK array to the value in the map
+ l_decoder_val = rtt_park_map[l_rtt_park_index];
FAPI_TRY( eff_dimm_ddr4_bc02(iv_mcs, &l_attrs_dimm_bc02[0][0]) );
l_attrs_dimm_bc02[iv_port_index][iv_dimm_index] = l_decoder_val;
@@ -4724,7 +4798,7 @@ fapi2::ReturnCode eff_lrdimm_db01::dimm_bc03()
// Using a writeBit for clarity sake
// Enabling Host interface DQ/DQS driver
- l_result.writeBit<BC03_DQ_DISABLE_POS>(BC03_DQ_ENABLE);
+ l_result.writeBit<BC03_HOST_DQ_DISABLE_POS>(BC03_HOST_DQ_ENABLE);
FAPI_TRY( eff_dimm_ddr4_bc03(iv_mcs, &l_attrs_dimm_bc03[0][0]) );
l_attrs_dimm_bc03[iv_port_index][iv_dimm_index] = l_result;
@@ -4760,7 +4834,7 @@ fapi2::ReturnCode eff_lrdimm_db02::dimm_bc03()
// Treat buffer as 0th rank. LRDIMM in our eyes only have 1 rank
constexpr size_t l_rank = 0;
- fapi2::buffer<uint8_t> l_result = 0;
+ fapi2::buffer<uint8_t> l_result;
uint64_t l_ohm_value = 0;
uint8_t l_encoding = 0;
// attributes
@@ -4784,7 +4858,7 @@ fapi2::ReturnCode eff_lrdimm_db02::dimm_bc03()
// Using a writeBit for clarity sake
// Enabling DQ/DQS drivers
- l_result.writeBit<BC03_DQ_DISABLE_POS>(BC03_DQ_ENABLE);
+ l_result.writeBit<BC03_HOST_DQ_DISABLE_POS>(BC03_HOST_DQ_ENABLE);
// Retrieve MCS attribute data
FAPI_TRY( eff_dimm_ddr4_bc03(iv_mcs, &l_attrs_dimm_bc03[0][0]) );
@@ -4812,21 +4886,15 @@ fapi_try_exit:
/// DRAM Interface MDQ/MDQS ODT Strength for Data Buffer
/// Comes from SPD
///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
fapi2::ReturnCode eff_lrdimm::dimm_bc04()
{
- uint8_t l_decoder_val = 0;
-
// Retrieve MCS attribute data
uint8_t l_attrs_dimm_bc04[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
FAPI_TRY( eff_dimm_ddr4_bc04(iv_mcs, &l_attrs_dimm_bc04[0][0]) );
- // Update MCS attribute
- // So the encoding from the SPD is the same as the encoding for the buffer control encoding
- // Simple grab and insert
- // Value is checked in decoder function for validity
- FAPI_TRY( iv_spd_decoder.data_buffer_mdq_rtt(iv_freq, l_decoder_val) );
-
- // Update MCS attribute
+ // Taken from SI spreadsheet and JEDEC - we want 60 Ohms, so 0x01 for a value
+ l_attrs_dimm_bc04[iv_port_index][iv_dimm_index] = 0x01;
FAPI_INF("%s: BC04 settting (MDQ_RTT): %d", mss::c_str(iv_dimm), l_attrs_dimm_bc04[iv_port_index][iv_dimm_index] );
FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_BC04, iv_mcs, l_attrs_dimm_bc04) );
@@ -4843,19 +4911,22 @@ fapi_try_exit:
/// Page 57 Table 28
/// @note DRAM Interface MDQ/MDQS Output Driver Impedance control
///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
fapi2::ReturnCode eff_lrdimm::dimm_bc05()
{
- uint8_t l_decoder_val;
+ // Taken from the SI spreadsheet - we want 34 Ohms so 0x01
+ fapi2::buffer<uint8_t> l_result(0x01);
// Retrieve MCS attribute data
uint8_t l_attrs_dimm_bc05[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
FAPI_TRY( eff_dimm_ddr4_bc05(iv_mcs, &l_attrs_dimm_bc05[0][0]) );
- // Same as BC04, grab from SPD and put into BC
- FAPI_TRY( iv_spd_decoder.data_buffer_mdq_drive_strength(iv_freq, l_decoder_val) );
- l_attrs_dimm_bc05[iv_port_index][iv_dimm_index] = l_decoder_val;
+ // Using a writeBit for clarity sake
+ // Enabling DQ/DQS drivers
+ l_result.writeBit<BC05_DRAM_DQ_DRIVER_DISABLE_POS>(BC05_DRAM_DQ_DRIVER_ENABLE);
+ l_attrs_dimm_bc05[iv_port_index][iv_dimm_index] = l_result;
- FAPI_INF("%s: BC05 settting (MDQ Drive Strenght): %d", mss::c_str(iv_dimm),
+ FAPI_INF("%s: BC05 settting (MDQ Drive Strength): 0x%02x", mss::c_str(iv_dimm),
l_attrs_dimm_bc05[iv_port_index][iv_dimm_index] );
FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_BC05, iv_mcs, l_attrs_dimm_bc05) );
@@ -4864,6 +4935,32 @@ fapi_try_exit:
}
///
+/// @brief Determines & sets effective config for DIMM BC06
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+/// @noteCommand Space Control Word
+/// From DDR4DB02 Spec Rev 0.95
+/// Page 57 Table 28
+/// @note DRAM Interface MDQ/MDQS Output Driver Impedance control
+///
+fapi2::ReturnCode eff_lrdimm::dimm_bc06()
+{
+ constexpr uint8_t RESET_DLL = 0x00;
+
+ // Retrieve MCS attribute data
+ uint8_t l_attrs_dimm_bc06[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+ FAPI_TRY( eff_dimm_ddr4_bc06(iv_mcs, &l_attrs_dimm_bc06[0][0]) );
+
+ l_attrs_dimm_bc06[iv_port_index][iv_dimm_index] = RESET_DLL;
+
+ FAPI_INF("%s: BC06 settting (Command Space Control Word): 0x%02x", mss::c_str(iv_dimm),
+ l_attrs_dimm_bc06[iv_port_index][iv_dimm_index] );
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_BC06, iv_mcs, l_attrs_dimm_bc06) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
/// @brief Determines & sets effective config for DIMM BC07
/// @return fapi2::FAPI2_RC_SUCCESS if okay
/// @note Rank Presence Control Word
@@ -4875,7 +4972,7 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc07()
{
// Map for the bc07 attribute, Each bit and its position represents one rank
// 0b0 == enabled, 0b1 == disabled
- // 1 rank 2 rank 3 rank 4 rank
+ // 1 rank 2 rank 3 rank 4 rank
constexpr uint8_t const dram_map [MAX_RANK_PER_DIMM] = {0b1110, 0b1100, 0b1000, 0b0000};
uint8_t l_ranks_per_dimm = 0;
@@ -4889,7 +4986,15 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc07()
// Subtract so 1 rank == 0, 2 rank == 1, etc. For array mss::indexing
--l_ranks_per_dimm;
// Make sure we didn't overflow or screw up somehow
- fapi2::Assert (l_ranks_per_dimm < MAX_RANK_PER_DIMM);
+ // TK Thoughts on if we need an official error code below??
+ FAPI_ASSERT(l_ranks_per_dimm < MAX_RANK_PER_DIMM,
+ fapi2::MSS_OUT_OF_BOUNDS_INDEXING()
+ .set_TARGET(iv_dimm)
+ .set_INDEX(l_ranks_per_dimm)
+ .set_LIST_SIZE(MAX_RANK_PER_DIMM)
+ .set_FUNCTION(EFF_BC07),
+ "%s has ranks per dimm (%u) out of bounds: %u",
+ mss::c_str(iv_dimm), l_ranks_per_dimm, MAX_RANK_PER_DIMM);
l_attrs_dimm_bc07[iv_port_index][iv_dimm_index] = dram_map[l_ranks_per_dimm];
@@ -4919,8 +5024,7 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc08()
// Update MCS attribute
FAPI_TRY( eff_dimm_ddr4_bc08(iv_mcs, &l_attrs_dimm_bc08[0][0]) );
// BC08 is used to set the rank for Write Leveling training modes
- // Defaulting to 0 because every dimm should have a rank 0, right?
- // This attribute should be set in training...
+ // This value is used in training so a value of 0 is fine for now
l_attrs_dimm_bc08[iv_port_index][iv_dimm_index] = 0;
FAPI_INF("%s: BC08 settting: %d", mss::c_str(iv_dimm), l_attrs_dimm_bc08[iv_port_index][iv_dimm_index] );
@@ -4947,9 +5051,9 @@ fapi2::ReturnCode eff_lrdimm::dimm_bc09()
fapi2::buffer<uint8_t> l_setting = 0;
- // Disabling for now until characterization can be done
- // Power/ performance setting
- l_setting.writeBit<BC09_CKE_POWER_DOWN_ENABLE_POS> (BC09_CKE_POWER_DOWN_DISABLE);
+ // Enabling power down mode (when CKE's are low!) to bring us inline with RC09/RCD powerdown mode
+ l_setting.writeBit<BC09_CKE_POWER_DOWN_ENABLE_POS>(BC09_CKE_POWER_DOWN_ENABLE)
+ .writeBit<BC09_CKE_POWER_ODT_POS>(BC09_CKE_POWER_ODT_OFF);
// Update MCS attribute
FAPI_TRY( eff_dimm_ddr4_bc09(iv_mcs, &l_attrs_dimm_bc09[0][0]) );
@@ -5022,6 +5126,7 @@ fapi2::ReturnCode eff_lrdimm_db01::dimm_bc0b()
// Update MCS attribute
// Only option is to set it to 0 to signify 1.2 operating Voltage, everything else is reserved
+ // Per the IBM signal integrity team, the default value should be sufficient
l_attrs_dimm_bc0b[iv_port_index][iv_dimm_index] = 0;
FAPI_INF("%s: BC0b settting: %d", mss::c_str(iv_dimm), l_attrs_dimm_bc0b[iv_port_index][iv_dimm_index] );
@@ -5048,6 +5153,7 @@ fapi2::ReturnCode eff_lrdimm_db02::dimm_bc0b()
// Bits 0~1 (IBM numbering) are for slew rate
// Bit 3 is reserved, Bit 4 has to be 0 to signal 1.2 V Buffer Vdd Voltage
// Hard coding values to 0, sets slew rate to Moderate (according to Dan Phipps, this is fine)
+ // Per the IBM signal integrity team, the default value should be sufficient
l_attrs_dimm_bc0b[iv_port_index][iv_dimm_index] = 0;
FAPI_INF("%s: BC0b settting: %d", mss::c_str(iv_dimm), l_attrs_dimm_bc0b[iv_port_index][iv_dimm_index] );
@@ -5110,7 +5216,7 @@ fapi_try_exit:
///
/// @brief Determines & sets effective config for DIMM BC0d
/// @return fapi2::FAPI2_RC_SUCCESS if okay
-/// @note LDQ Operation Control Word
+/// @note Reserved for future use - set it to 0 for now
/// From DDR4DB01 Spec Rev 1.0
/// Page 61 Table 25
/// All values are reserved for DB01, setting to 0
@@ -5134,7 +5240,7 @@ fapi_try_exit:
///
/// @brief Determines & sets effective config for DIMM BC0d
/// @return fapi2::FAPI2_RC_SUCCESS if okay
-/// @note LDQ Operation Control Word
+/// @note Reserved for future use - set it to 0 for now
/// From DDR4DB02 Spec Rev 0.95
/// Page 60 Table 24
/// @note This register is used by the Non Volatile controller (NVC) to change the mode of operation of the DDR4DB02
@@ -5204,6 +5310,219 @@ fapi_try_exit:
}
///
+/// @brief Determines and sets DIMM BC1x
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::dimm_f0bc1x()
+{
+ uint8_t l_attrs_dimm_bc_1x[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f0bc1x(iv_mcs, &l_attrs_dimm_bc_1x[0][0]) );
+
+ // Setup to default as we want to be in runtime mode
+ l_attrs_dimm_bc_1x[iv_port_index][iv_dimm_index] = 0;
+
+ FAPI_INF( "%s: F0BC1X setting: 0x%02x", mss::c_str(iv_dimm), l_attrs_dimm_bc_1x[iv_port_index][iv_dimm_index] );
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F0BC1x, iv_mcs, l_attrs_dimm_bc_1x) );
+
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines and sets DIMM BC6x
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::dimm_f0bc6x()
+{
+ uint8_t l_attrs_dimm_bc_6x[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f0bc6x(iv_mcs, &l_attrs_dimm_bc_6x[0][0]) );
+
+ // Frequency encoding is the same as rc3x, so reusing here
+ switch(iv_freq)
+ {
+ case fapi2::ENUM_ATTR_MSS_FREQ_MT1866:
+ l_attrs_dimm_bc_6x[iv_port_index][iv_dimm_index] = rc3x_encode::MT1860_TO_MT1880;
+ break;
+
+ case fapi2::ENUM_ATTR_MSS_FREQ_MT2133:
+ l_attrs_dimm_bc_6x[iv_port_index][iv_dimm_index] = rc3x_encode::MT2120_TO_MT2140;
+ break;
+
+ case fapi2::ENUM_ATTR_MSS_FREQ_MT2400:
+ l_attrs_dimm_bc_6x[iv_port_index][iv_dimm_index] = rc3x_encode::MT2380_TO_MT2400;
+ break;
+
+ case fapi2::ENUM_ATTR_MSS_FREQ_MT2666:
+ l_attrs_dimm_bc_6x[iv_port_index][iv_dimm_index] = rc3x_encode::MT2660_TO_MT2680;
+ break;
+
+ default:
+ FAPI_ASSERT( false,
+ fapi2::MSS_INVALID_FREQ_RC()
+ .set_FREQ(iv_freq)
+ .set_RC_NUM(F0BC6X)
+ .set_DIMM_TARGET(iv_dimm),
+ "%s: Invalid frequency for BC_6X encoding received: %d",
+ mss::c_str(iv_dimm),
+ iv_freq);
+ break;
+ }
+
+ FAPI_INF( "%s: F0BC6X setting: 0x%02x", mss::c_str(iv_dimm), l_attrs_dimm_bc_6x[iv_port_index][iv_dimm_index] );
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F0BC6x, iv_mcs, l_attrs_dimm_bc_6x) );
+
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines and sets DIMM F2BCEx
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::dimm_f2bcex()
+{
+ uint8_t l_attrs_dimm_f2bcex[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f2bcex(iv_mcs, &l_attrs_dimm_f2bcex[0][0]) );
+
+ // Setup to default as we want to be in runtime mode (not DFE mode)
+ l_attrs_dimm_f2bcex[iv_port_index][iv_dimm_index] = 0;
+
+ FAPI_INF( "%s: F2BCEX setting: 0x%02x", mss::c_str(iv_dimm), l_attrs_dimm_f2bcex[iv_port_index][iv_dimm_index] );
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F2BCEx, iv_mcs, l_attrs_dimm_f2bcex) );
+
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines and sets DIMM F5BC5x
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::dimm_f5bc5x()
+{
+ // Taken from DDR4 (this attribute is DDR4 only) spec MRS6 section VrefDQ training: values table
+ constexpr uint8_t JEDEC_MAX_TRAIN_VALUE = 0b00110010;
+
+ // Gets the JEDEC VREFDQ range and value
+ fapi2::buffer<uint8_t> l_train_value;
+ fapi2::buffer<uint8_t> l_train_range;
+ uint8_t l_attrs_dimm_f5bc5x[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f5bc5x(iv_mcs, &l_attrs_dimm_f5bc5x[0][0]) );
+ FAPI_TRY(mss::get_vpd_wr_vref_range_and_value(iv_dimm, l_train_range, l_train_value));
+
+ FAPI_ASSERT(l_train_value <= JEDEC_MAX_TRAIN_VALUE,
+ fapi2::MSS_INVALID_VPD_VREF_DRAM_WR_RANGE()
+ .set_MAX(JEDEC_MAX_TRAIN_VALUE)
+ .set_VALUE(l_train_value)
+ .set_MCS_TARGET(iv_mcs),
+ "%s VPD DRAM VREF value out of range max 0x%02x value 0x%02x", mss::c_str(iv_dimm),
+ JEDEC_MAX_TRAIN_VALUE, l_train_value );
+
+ // F5BC5x is just the VREF training range
+ l_attrs_dimm_f5bc5x[iv_port_index][iv_dimm_index] = l_train_value;
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F5BC5x, iv_mcs, l_attrs_dimm_f5bc5x),
+ "Failed setting attribute for ATTR_EFF_DIMM_DDR4_F5BC5x");
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines and sets DIMM F5BC6x
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
+fapi2::ReturnCode eff_lrdimm::dimm_f5bc6x()
+{
+ constexpr uint8_t VREF_73PERCENT = 0x14;
+ uint8_t l_attrs_dimm_f5bc6x[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f5bc6x(iv_mcs, &l_attrs_dimm_f5bc6x[0][0]) );
+
+ // F5BC6x is just the VREF training range
+ l_attrs_dimm_f5bc6x[iv_port_index][iv_dimm_index] = VREF_73PERCENT;
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F5BC6x, iv_mcs, l_attrs_dimm_f5bc6x),
+ "Failed setting attribute for ATTR_EFF_DIMM_DDR4_F5BC6x");
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines and sets DIMM F6BC4x
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::dimm_f6bc4x()
+{
+ constexpr uint64_t WR_VREFDQ_BIT = 6;
+ constexpr uint64_t RD_VREFDQ_BIT = 5;
+
+ uint8_t l_attrs_dimm_f6bc4x[PORTS_PER_MCS][MAX_DIMM_PER_PORT] = {};
+ uint8_t l_buffer_rd_vref_range = 0;
+ uint8_t l_buffer_wr_vref_range = 0;
+ uint8_t l_wr_vref_value = 0; // Used in F5BC5x, but we need it for a helper function
+ fapi2::buffer<uint8_t> l_temp;
+
+ // Retrieve MCS attribute data
+ FAPI_TRY( eff_dimm_ddr4_f6bc4x(iv_mcs, &l_attrs_dimm_f6bc4x[0][0]) );
+
+ // Gets the WR VREF range
+ FAPI_TRY( get_vpd_wr_vref_range_and_value(iv_dimm, l_buffer_wr_vref_range, l_wr_vref_value) );
+
+ // Gets the RD VREF range
+ FAPI_TRY( iv_spd_decoder.data_buffer_vref_dq_range(l_buffer_rd_vref_range) );
+
+ // Setup to default as we want to be in runtime mode
+ l_temp.writeBit<WR_VREFDQ_BIT>(l_buffer_wr_vref_range)
+ .writeBit<RD_VREFDQ_BIT>(l_buffer_rd_vref_range);
+ l_attrs_dimm_f6bc4x[iv_port_index][iv_dimm_index] = l_temp;
+
+ FAPI_INF( "%s: F6BC4X setting: 0x%02x", mss::c_str(iv_dimm), l_attrs_dimm_f6bc4x[iv_port_index][iv_dimm_index] );
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DIMM_DDR4_F6BC4x, iv_mcs, l_attrs_dimm_f6bc4x) );
+
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines & sets effective config for DRAM output driver impedance control
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+// TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
+fapi2::ReturnCode eff_lrdimm::dram_odic()
+{
+ uint8_t l_dram_odic[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ FAPI_TRY( eff_dram_odic(iv_mcs, &l_dram_odic[0][0][0]));
+
+ // Updates DRAM ODIC with the VPD value
+ for(uint8_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
+ {
+ // JEDEC setting - taken from SI spreadsheet
+ l_dram_odic[iv_port_index][iv_dimm_index][l_rank] = fapi2::ENUM_ATTR_MSS_VPD_MT_DRAM_DRV_IMP_DQ_DQS_OHM34;
+ }
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_EFF_DRAM_ODIC, iv_mcs, l_dram_odic) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
/// @brief Grab the VPD blobs and decode into attributes
/// @param[in] i_target FAPI2 target (MCS)
/// @return fapi2::FAPI2_RC_SUCCESS if okay
@@ -5562,4 +5881,116 @@ fapi2::ReturnCode eff_dimm::phy_seq_refresh()
iv_mcs,
UINT8_VECTOR_TO_1D_ARRAY(l_phy_seq_ref_enable, PORTS_PER_MCS));
}
+
+///
+/// @brief Determines & sets effective ODT write values
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_rdimm::odt_wr()
+{
+ uint8_t l_mcs_attr[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vpd_odt[MAX_RANK_PER_DIMM];
+
+ // Gets the VPD value
+ FAPI_TRY( mss::vpd_mt_odt_wr(iv_dimm, &(l_vpd_odt[0])));
+ FAPI_TRY( eff_odt_wr( iv_mcs, &(l_mcs_attr[0][0][0])) );
+
+
+ memcpy(&(l_mcs_attr[iv_port_index][iv_dimm_index][0]), l_vpd_odt, MAX_RANK_PER_DIMM);
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_MSS_EFF_ODT_WR, iv_mcs, l_mcs_attr) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines & sets effective ODT write values
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::odt_wr()
+{
+ constexpr uint8_t ODT_2R_1DROP_VALUES[MAX_RANK_PER_DIMM] =
+ {
+ 0x40,
+ 0x80,
+ 0x00,
+ 0x00,
+ };
+ uint8_t l_mcs_attr[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vpd_odt[MAX_RANK_PER_DIMM];
+
+ // Gets the VPD value
+ FAPI_TRY( mss::vpd_mt_odt_wr(iv_dimm, &(l_vpd_odt[0])));
+ FAPI_TRY( eff_odt_wr( iv_mcs, &(l_mcs_attr[0][0][0])) );
+
+ // Loops through and sets/updates all ranks
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
+ {
+ // TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
+ // So, here we do a bitwise or of our LR settings and our VPD settings
+ // The VPD contains the host <-> buffer settings
+ // The constant contains the buffer <-> DRAM
+ // Due to how the ODT functions, we need to or them
+ l_mcs_attr[iv_port_index][iv_dimm_index][l_rank] = l_vpd_odt[l_rank] | ODT_2R_1DROP_VALUES[l_rank];
+ }
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_MSS_EFF_ODT_WR, iv_mcs, l_mcs_attr) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines & sets effective ODT read values
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_rdimm::odt_rd()
+{
+ uint8_t l_mcs_attr[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vpd_odt[MAX_RANK_PER_DIMM];
+
+ // Gets the VPD value
+ FAPI_TRY( mss::vpd_mt_odt_rd(iv_dimm, &(l_vpd_odt[0])));
+ FAPI_TRY( eff_odt_rd( iv_mcs, &(l_mcs_attr[0][0][0])) );
+
+
+ memcpy(&(l_mcs_attr[iv_port_index][iv_dimm_index][0]), l_vpd_odt, MAX_RANK_PER_DIMM);
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_MSS_EFF_ODT_RD, iv_mcs, l_mcs_attr) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
+///
+/// @brief Determines & sets effective ODT read values
+/// @return fapi2::FAPI2_RC_SUCCESS if okay
+///
+fapi2::ReturnCode eff_lrdimm::odt_rd()
+{
+ uint8_t l_mcs_attr[PORTS_PER_MCS][MAX_DIMM_PER_PORT][MAX_RANK_PER_DIMM] = {};
+ uint8_t l_vpd_odt[MAX_RANK_PER_DIMM];
+
+ // Gets the VPD value
+ FAPI_TRY( mss::vpd_mt_odt_rd(iv_dimm, &(l_vpd_odt[0])));
+ FAPI_TRY( eff_odt_rd( iv_mcs, &(l_mcs_attr[0][0][0])) );
+
+ // Loops through and sets/updates all ranks
+ for(uint64_t l_rank = 0; l_rank < MAX_RANK_PER_DIMM; ++l_rank)
+ {
+ // TODO:RTC200577 Update LRDIMM termination settings for dual drop and 4 rank DIMM's
+ // So, here we do a bitwise or of our LR settings and our VPD settings
+ // The VPD contains the host <-> buffer settings
+ // The constant contains the buffer <-> DRAM
+ // Due to how the ODT functions, we need to or them
+ l_mcs_attr[iv_port_index][iv_dimm_index][l_rank] = l_vpd_odt[l_rank] | 0x00;
+ }
+
+ FAPI_TRY( FAPI_ATTR_SET(fapi2::ATTR_MSS_EFF_ODT_RD, iv_mcs, l_mcs_attr) );
+
+fapi_try_exit:
+ return fapi2::current_err;
+}
+
}//mss
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H
index 7e33c0bdb..693e14a8b 100644
--- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H
+++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H
@@ -291,6 +291,12 @@ class eff_dimm
fapi2::ReturnCode dram_dqs_time();
///
+ /// @brief Determines & sets effective config for DRAM output driver impedance control
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dram_odic() = 0;
+
+ ///
/// @brief Determines & sets effective config for tCCD_L
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -528,7 +534,7 @@ class eff_dimm
/// @brief Determines & sets effective config for Vref DQ Train Value and Range
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
- fapi2::ReturnCode vref_dq_train_value_and_range();
+ virtual fapi2::ReturnCode vref_dq_train_value_and_range();
///
/// @brief Determines & sets effective config for Vref DQ Train Enable
@@ -565,6 +571,18 @@ class eff_dimm
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
fapi2::ReturnCode odt_input_buffer();
+
+ ///
+ /// @brief Determines & sets effective ODT write values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_wr() = 0;
+
+ ///
+ /// @brief Determines & sets effective ODT read values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_rd() = 0;
///
/// @brief Determines & sets effective config for data_mask
/// @return fapi2::FAPI2_RC_SUCCESS if okay
@@ -891,6 +909,12 @@ class eff_dimm
virtual fapi2::ReturnCode dimm_bc05() = 0;
///
+ /// @brief Determines and sets DIMM BC06
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_bc06() = 0;
+
+ ///
/// @brief Determines and sets DIMM BC07
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -945,6 +969,43 @@ class eff_dimm
///
virtual fapi2::ReturnCode dimm_bc0f() = 0;
+ ///
+ /// @brief Determines and sets DIMM F0BC1x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc1x() = 0;
+
+ ///
+ /// @brief Determines and sets DIMM F0BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc6x() = 0;
+
+ ///
+ /// @brief Determines and sets DIMM F2BCEx
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f2bcex() = 0;
+
+ ///
+ /// @brief Determines and sets DIMM F5BC5x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc5x() = 0;
+
+ ///
+ /// @brief Determines and sets DIMM F5BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc6x() = 0;
+
+
+ ///
+ /// @brief Determines and sets DIMM F6BC4x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f6bc4x() = 0;
+
private:
///
@@ -1015,6 +1076,25 @@ class eff_lrdimm : public eff_dimm
///
virtual ~eff_lrdimm() = default;
+
+ ///
+ /// @brief Determines & sets effective config for Vref DQ Train Value and Range
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode vref_dq_train_value_and_range() final;
+
+ ///
+ /// @brief Determines & sets effective ODT write values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_wr() final;
+
+ ///
+ /// @brief Determines & sets effective ODT read values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_rd() final;
+
///
/// @brief Sets the RTT_NOM value from SPD
/// @return fapi2::FAPI2_RC_SUCCESS if okay
@@ -1037,6 +1117,12 @@ class eff_lrdimm : public eff_dimm
virtual fapi2::ReturnCode dram_rtt_park() final;
///
+ /// @brief Determines & sets effective config for DRAM output driver impedance control
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dram_odic() final;
+
+ ///
/// @brief Determines and sets DIMM BC00
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -1073,6 +1159,12 @@ class eff_lrdimm : public eff_dimm
virtual fapi2::ReturnCode dimm_bc05() final;
///
+ /// @brief Determines and sets DIMM BC09
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_bc06() final;
+
+ ///
/// @brief Determines and sets DIMM BC07
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -1125,6 +1217,42 @@ class eff_lrdimm : public eff_dimm
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
virtual fapi2::ReturnCode dimm_bc0f() final;
+
+ ///
+ /// @brief Determines and sets DIMM F0BC1x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc1x() final;
+
+ ///
+ /// @brief Determines and sets DIMM F0BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc6x() final;
+
+ ///
+ /// @brief Determines and sets DIMM F2BCex
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f2bcex() final;
+
+ ///
+ /// @brief Determines and sets DIMM F5BC5x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc5x() final;
+
+ ///
+ /// @brief Determines and sets DIMM F5BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc6x() final;
+
+ ///
+ /// @brief Determines and sets DIMM F6BC4x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f6bc4x() final;
};
///
@@ -1270,6 +1398,18 @@ class eff_rdimm : public eff_dimm
~eff_rdimm() = default;
///
+ /// @brief Determines & sets effective ODT write values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_wr() final;
+
+ ///
+ /// @brief Determines & sets effective ODT read values
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode odt_rd() final;
+
+ ///
/// @brief Sets the RTT_NOM value from SPD
/// @return fapi2::FAPI2_RC_SUCCESS if okay
/// @note used for MRS01
@@ -1291,6 +1431,12 @@ class eff_rdimm : public eff_dimm
fapi2::ReturnCode dram_rtt_park() final;
///
+ /// @brief Determines & sets effective config for DRAM output driver impedance control
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dram_odic() final;
+
+ ///
/// @brief Determines and sets DIMM BC00
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -1345,6 +1491,15 @@ class eff_rdimm : public eff_dimm
}
///
+ /// @brief Determines and sets DIMM BC06
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ fapi2::ReturnCode dimm_bc06() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+ ///
/// @brief Determines and sets DIMM BC07
/// @return fapi2::FAPI2_RC_SUCCESS if okay
///
@@ -1424,6 +1579,61 @@ class eff_rdimm : public eff_dimm
{
return fapi2::FAPI2_RC_SUCCESS;
}
+
+ ///
+ /// @brief Determines and sets DIMM F0BC1x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc1x() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+ ///
+ /// @brief Determines and sets DIMM F0BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f0bc6x() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+ ///
+ /// @brief Determines and sets DIMM F2BCEx
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f2bcex() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+ ///
+ /// @brief Determines and sets DIMM F5BC5x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc5x() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+ ///
+ /// @brief Determines and sets DIMM F5BC6x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f5bc6x() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
+
+
+ ///
+ /// @brief Determines and sets DIMM F6BC4x
+ /// @return fapi2::FAPI2_RC_SUCCESS if okay
+ ///
+ virtual fapi2::ReturnCode dimm_f6bc4x() final
+ {
+ return fapi2::FAPI2_RC_SUCCESS;
+ }
};
}//mss
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