/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* $Source: src/import/chips/centaur/procedures/hwp/memory/p9c_mss_termination_control.C $ */ /* */ /* OpenPOWER HostBoot Project */ /* */ /* Contributors Listed Below - COPYRIGHT 2016,2017 */ /* [+] International Business Machines Corp. */ /* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ /* You may obtain a copy of the License at */ /* */ /* http://www.apache.org/licenses/LICENSE-2.0 */ /* */ /* Unless required by applicable law or agreed to in writing, software */ /* distributed under the License is distributed on an "AS IS" BASIS, */ /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ /* implied. See the License for the specific language governing */ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ /// /// @file p9c_mss_termination_control.C /// @brief Tools for DDR4 DIMMs centaur procedures /// /// *HWP HWP Owner: Luke Mulkey /// *HWP HWP Backup: SARAVANAN SETHURAMAN /// *HWP Team: Memory /// *HWP Level: 2 /// *HWP Consumed by: HB:CI // // Saravanan - Yet to update DRV_IMP new attribute enum change // Not supported // DDR4, DIMM Types //---------------------------------------------------------------------- // Includes - FAPI //---------------------------------------------------------------------- #include #include #include //---------------------------------------------------------------------- //Centaur functions //---------------------------------------------------------------------- #include #include #include /// /// @brief This function will configure the Driver impedance values to the registers /// @param[in] i_target_mba Centaur input mba /// @param[in] i_port Centaur input port /// @param[in] i_drv_imp_dq_dqs driver impedance (DQ/DQS) (OHM24,OHM30,OHM34,OHM40) /// @return FAPI2_RC_SUCCESS iff successful /// fapi2::ReturnCode config_drv_imp(const fapi2::Target& i_target_mba, const uint8_t i_port, const uint8_t i_drv_imp_dq_dqs) { fapi2::buffer data_buffer; uint8_t enslice_drv = 0xFF; uint8_t enslice_ffedrv = 0xF; uint8_t i = 0; FAPI_ASSERT(i_port < MAX_PORTS_PER_MBA, fapi2::CEN_CONFIG_DRV_IMP_INVALID_INPUT(). set_PORT_PARAM(i_port), "Driver impedance port input(%u) out of bounds", i_port); for(i = 0; i < MAX_DRV_IMP; i++) { if (drv_imp_array[i] == i_drv_imp_dq_dqs) { switch (i) { case 0: //40 ohms enslice_drv = 0x3C; enslice_ffedrv = 0xF; break; case 1: //34 ohms enslice_drv = 0x7C; enslice_ffedrv = 0xF; break; case 2: //30 ohms enslice_drv = 0x7E; enslice_ffedrv = 0xF; break; case 3: //24 ohms enslice_drv = 0xFF; enslice_ffedrv = 0xF; break; } break; } } FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(enslice_drv, 48, 8), "config_drv_imp: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(enslice_ffedrv, 56, 4), "config_drv_imp: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P0_4, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P0_4, data_buffer)); FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(enslice_drv, 48, 8), "config_drv_imp: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(enslice_ffedrv, 56, 4), "config_drv_imp: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_SLICE_P1_4, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_SLICE_P1_4, data_buffer)); fapi_try_exit: return fapi2::current_err; } /// /// @brief This function will configure the Receiver impedance values to the registers /// @param[in] i_target_mba Centaur input mba /// @param[in] i_port Centaur input port /// @param[in] i_rcv_imp_dq_dqs : reciever impedance (OHM15,OHM20,OHM30,OHM40,OHM48,OHM60,OHM80,OHM120,OHM160,OHM240) /// @return FAPI2_RC_SUCCESS iff successful /// fapi2::ReturnCode config_rcv_imp(const fapi2::Target& i_target_mba, const uint8_t i_port, const uint8_t i_rcv_imp_dq_dqs) { fapi2::buffer data_buffer; uint8_t enslicepterm = 0xFF; uint8_t enslicepffeterm = 0; uint8_t i = 0; FAPI_ASSERT(i_port < MAX_PORTS_PER_MBA, fapi2::CEN_CONFIG_RCV_IMP_INVALID_INPUT(). set_PORT_PARAM(i_port), "Receiver impedance port input(%u) out of bounds", i_port); for(i = 0; i < MAX_RCV_IMP; i++) { if (rcv_imp_array[i] == i_rcv_imp_dq_dqs) { switch (i) { case 0: //120 OHMS enslicepterm = 0x10; enslicepffeterm = 0x0; break; case 1: //80 OHMS enslicepterm = 0x10; enslicepffeterm = 0x2; break; case 2: //60 OHMS enslicepterm = 0x18; enslicepffeterm = 0x0; break; case 3: //48 OHMS enslicepterm = 0x18; enslicepffeterm = 0x2; break; case 4: //40 OHMS enslicepterm = 0x18; enslicepffeterm = 0x6; break; case 5: //34 OHMS enslicepterm = 0x38; enslicepffeterm = 0x2; break; case 6: //30 OHMS enslicepterm = 0x3C; enslicepffeterm = 0x0; break; case 7: //20 OHMS enslicepterm = 0x7E; enslicepffeterm = 0x0; break; case 8: //15 OHMS enslicepterm = 0xFF; enslicepffeterm = 0x0; break; } break; } } FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(enslicepterm, 48, 8), "config_rcv_imp: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(enslicepffeterm, 56, 4), "config_rcv_imp: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P0_4, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P0_4, data_buffer)); FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(enslicepterm, 48, 8), "config_rcv_imp: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(enslicepffeterm, 56, 4), "config_rcv_imp: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_NFET_TERM_P1_4, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_PFET_TERM_P1_4, data_buffer)); fapi_try_exit: return fapi2::current_err; } /// /// @brief This function will configure the Slew rate values to the registers /// @param[in] i_target_mba Centaur input mba /// @param[in] i_port Centaur input port /// @param[in] i_slew_type SLEW_TYPE_DATA=0, SLEW_TYPE_ADR_ADDR=1, SLEW_TYPE_ADR_CNTL=2 /// @param[in] i_slew_imp OHM15=15, OHM20=20, OHM24=24, OHM30=30, OHM34=34, OHM40=40 /// @note: 15, 20, 30, 40 valid for ADR; 24, 30, 34, 40 valid for DATA /// @param[in] i_slew_rate SLEW_3V_NS=3, SLEW_4V_NS=4, SLEW_5V_NS=5, SLEW_6V_NS=6, SLEW_MAXV_NS=7 /// @note SLEW_MAXV_NS bypasses slew calibration /// @return FAPI2_RC_SUCCESS iff success /// fapi2::ReturnCode config_slew_rate(const fapi2::Target& i_target_mba, const uint8_t i_port, const uint8_t i_slew_type, const uint8_t i_slew_imp, const uint8_t i_slew_rate) { fapi2::buffer data_buffer; uint8_t slew_cal_value = 0; uint8_t imp_idx = 255; uint8_t slew_idx = 255; // array for ATTR_CEN_MSS_SLEW_RATE_DATA/ADR [2][4][4] // port,imp,slew_rat cal'd slew settings uint8_t calibrated_slew_rate_table [MAX_PORTS_PER_MBA][MAX_NUM_IMP][MAX_NUM_CAL_SLEW_RATES] = {{{0}}}; // FFDC for bad parameters FAPI_ASSERT(i_port < MAX_PORTS_PER_MBA, fapi2::CEN_CONFIG_SLEW_RATE_INVALID_INPUT(). set_PORT_PARAM(i_port). set_SLEW_TYPE_PARAM(i_slew_type). set_SLEW_IMP_PARAM(i_slew_imp). set_SLEW_RATE_PARAM(i_slew_rate), "Slew port input(%u) out of bounds", i_port); FAPI_ASSERT(i_slew_type < MAX_NUM_SLEW_TYPES, fapi2::CEN_CONFIG_SLEW_RATE_INVALID_INPUT(). set_PORT_PARAM(i_port). set_SLEW_TYPE_PARAM(i_slew_type). set_SLEW_IMP_PARAM(i_slew_imp). set_SLEW_RATE_PARAM(i_slew_rate), "Slew type input(%u) out of bounds, (>= %u)", i_slew_type, MAX_NUM_SLEW_TYPES); switch (i_slew_rate) // get slew index { case SLEW_MAXV_NS: // max slew FAPI_INF("Slew rate is set to MAX, using bypass mode"); slew_cal_value = 0; // slew cal value for bypass mode break; case SLEW_6V_NS: slew_idx = 3; break; case SLEW_5V_NS: slew_idx = 2; break; case SLEW_4V_NS: slew_idx = 1; break; case SLEW_3V_NS: slew_idx = 0; break; default: FAPI_ASSERT(false, fapi2::CEN_CONFIG_SLEW_RATE_INVALID_INPUT(), "Slew rate input(%u) out of bounds", i_slew_rate); } if (i_slew_type == SLEW_TYPE_DATA) { switch (i_slew_imp) // get impedance index for data { case OHM40: imp_idx = 3; break; case OHM34: imp_idx = 2; break; case OHM30: imp_idx = 1; break; case OHM24: imp_idx = 0; break; default: // OHM15 || OHM20 not valid for data FAPI_ASSERT(false, fapi2::CEN_CONFIG_SLEW_RATE_INVALID_INPUT(), "Slew impedance input(%u) invalid " "or out of bounds, index=%u", i_slew_imp, imp_idx); } if (i_slew_rate != SLEW_MAXV_NS) { FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MSS_SLEW_RATE_DATA, i_target_mba, calibrated_slew_rate_table)); slew_cal_value = calibrated_slew_rate_table[i_port][imp_idx][slew_idx]; } if (slew_cal_value > MAX_SLEW_VALUE) { FAPI_INF("WARNING: Slew rate(0x%02x) unsupported, " "but continuing... !!", slew_cal_value); slew_cal_value = slew_cal_value & 0x0F; } FAPI_INF("Setting DATA (dq/dqs) slew register, imped=%i, slewrate=%i, " "reg_val=0x%X", i_slew_imp, i_slew_rate, slew_cal_value); FAPI_DBG("port%u type=%u imp_idx=%u slew_idx=%u cal_slew=%u", i_port, i_slew_type, imp_idx, slew_idx, slew_cal_value); if (i_port == 0) // port 0 dq/dqs slew { FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(slew_cal_value, 56, 4), "Error in setting up DATA slew buffer"); // switch this later to use broadcast address, 0x80003C750301143F P0_[0:4] FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P0_4, data_buffer)); } else // port 1 dq/dqs slew { FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(slew_cal_value, 56, 4), "Error in setting up DATA slew buffer"); // switch this later to use broadcast address, 0x80013C750301143F P1_[0:4] FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_IO_TX_CONFIG0_P1_4, data_buffer)); } } // end DATA else // Slew type = ADR { uint8_t adr_pos = 48; // SLEW_CTL0(48:51) of reg for ADR command slew for(uint8_t i = 0; i < MAX_NUM_IMP; i++) // find ADR imp index { if (adr_imp_array[i] == i_slew_imp) { imp_idx = i; break; } } if ((i_slew_imp == OHM24) || (i_slew_imp == OHM34) || (imp_idx >= MAX_NUM_IMP)) { FAPI_ASSERT(false, fapi2::CEN_CONFIG_SLEW_RATE_INVALID_INPUT(), "Slew impedance input(%u) out of bounds", i_slew_imp); } if (i_slew_rate == SLEW_MAXV_NS) { slew_cal_value = 0; } else { FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MSS_SLEW_RATE_ADR, i_target_mba, calibrated_slew_rate_table)); slew_cal_value = calibrated_slew_rate_table[i_port][imp_idx][slew_idx]; } if (slew_cal_value > MAX_SLEW_VALUE) { FAPI_INF("!! Slew rate(0x%02x) unsupported, but continuing... !!", slew_cal_value); slew_cal_value = slew_cal_value & 0x0F; } switch (i_slew_type) // get impedance index for data { case SLEW_TYPE_ADR_ADDR: // CTL0 for command slew (A0:15, BA0:3, ACT, PAR, CAS, RAS, WE) FAPI_INF("Setting ADR command/address slew in CTL0 register " "imped=%i, slewrate=%i, reg_val=0x%X", i_slew_imp, i_slew_rate, slew_cal_value); adr_pos = 48; break; case SLEW_TYPE_ADR_CNTL: // CTL1 for control slew (CKE0:1, CKE4:5, ODT0:3, CSN0:3) FAPI_INF("Setting ADR control slew in CTL1 register " "imped=%i, slewrate=%i, reg_val=0x%X", i_slew_imp, i_slew_rate, slew_cal_value); adr_pos = 52; break; case SLEW_TYPE_ADR_CLK: // CTL2 for clock slew (CLK0:3) FAPI_INF("Setting ADR clock slew in CTL2 register " "imped=%i, slewrate=%i, reg_val=0x%X", i_slew_imp, i_slew_rate, slew_cal_value); adr_pos = 56; break; case SLEW_TYPE_ADR_SPCKE: // CTL3 for spare clock slew (CKE2:3) FAPI_INF("Setting ADR Spare clock in CTL3 register " "imped=%i, slewrate=%i, reg_val=0x%X", i_slew_imp, i_slew_rate, slew_cal_value); adr_pos = 60; break; } FAPI_DBG("port%u type=%u slew_idx=%u imp_idx=%u cal_slew=%u", i_port, i_slew_type, slew_idx, imp_idx, slew_cal_value); if (i_port == 0) // port 0 adr slew { FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P0_ADR0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(slew_cal_value, adr_pos, 4), "Error in setting up ADR slew buffer"); // switch this later to use broadcast address, 0x80007C1A0301143f ADR[0:3] FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P0_ADR0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P0_ADR1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P0_ADR2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P0_ADR3, data_buffer)); } else // port 1 adr slew { FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P1_ADR0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(slew_cal_value, adr_pos, 4), "Error in setting up ADR slew buffer"); // switch this later to use broadcast address, 0x80017C1A0301143f ADR[0:3] FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P1_ADR0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P1_ADR1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P1_ADR2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_ADR_IO_SLEW_CTL_VALUE_P1_ADR3, data_buffer)); } } // end ADR fapi_try_exit: return fapi2::current_err; } /// /// @brief This function configures PC_VREF_DRV_CONTROL registers to vary the DIMM VREF /// @param[in] i_target_mba Centaur input mba /// @param[in] i_port Centaur input port /// @param[in] i_wr_dram_vref dram write reference voltage /// @return FAPI2_RC_SUCCESS iff successful /// fapi2::ReturnCode config_wr_dram_vref(const fapi2::Target& i_target_mba, const uint8_t i_port, const uint32_t i_wr_dram_vref) { fapi2::buffer data_buffer; uint32_t pcvref = 0; uint32_t sign = 0; // For DDR3 vary from VDD*0.42 to VDD*575 // For DDR4 internal voltage is there this function is not required FAPI_ASSERT(i_port < MAX_PORTS_PER_MBA, fapi2::CEN_CONFIG_WR_DRAM_VREF_INVALID_INPUT(). set_PORT_PARAM(i_port), "Write Vref port input(%u) out of bounds", i_port); if(i_wr_dram_vref < 500) { sign = 1; } else { sign = 0; } if((i_wr_dram_vref == 420) || (i_wr_dram_vref == 575)) { pcvref = 0xF; } else if((i_wr_dram_vref == 425) || (i_wr_dram_vref == 570)) { pcvref = 0x7; } else if((i_wr_dram_vref == 430) || (i_wr_dram_vref == 565)) { pcvref = 0xB; } else if((i_wr_dram_vref == 435) || (i_wr_dram_vref == 560)) { pcvref = 0x3; } else if((i_wr_dram_vref == 440) || (i_wr_dram_vref == 555)) { pcvref = 0xD; } else if((i_wr_dram_vref == 445) || (i_wr_dram_vref == 550)) { pcvref = 0x5; } else if((i_wr_dram_vref == 450) || (i_wr_dram_vref == 545)) { pcvref = 0x9; } else if((i_wr_dram_vref == 455) || (i_wr_dram_vref == 540)) { pcvref = 0x1; } else if((i_wr_dram_vref == 460) || (i_wr_dram_vref == 535)) { pcvref = 0xE; } else if((i_wr_dram_vref == 465) || (i_wr_dram_vref == 530)) { pcvref = 0x6; } else if((i_wr_dram_vref == 470) || (i_wr_dram_vref == 525)) { pcvref = 0xA; } else if((i_wr_dram_vref == 475) || (i_wr_dram_vref == 520)) { pcvref = 0x2; } else if((i_wr_dram_vref == 480) || (i_wr_dram_vref == 515)) { pcvref = 0xC; } else if((i_wr_dram_vref == 485) || (i_wr_dram_vref == 510)) { pcvref = 0x4; } else if((i_wr_dram_vref == 490) || (i_wr_dram_vref == 505)) { pcvref = 0x8; } else if((i_wr_dram_vref == 495) || (i_wr_dram_vref == 500)) { pcvref = 0x0; } FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_PC_VREF_DRV_CONTROL_P0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(sign, 48, 1), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(sign, 53, 1), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(pcvref, 49, 4), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(pcvref, 54, 4), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_PC_VREF_DRV_CONTROL_P0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(sign, 48, 1), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(sign, 53, 1), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(pcvref, 49, 4), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(data_buffer.insertFromRight(pcvref, 54, 4), "config_wr_vref: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_PC_VREF_DRV_CONTROL_P1, data_buffer)); fapi_try_exit: return fapi2::current_err; } /// /// @brief This function configures read vref registers to vary the CEN VREF /// @param[in] i_target_mba centaur input mba /// @param[in] i_rd_cen_vref Read vref (centaur side) /// @return FAPI2_RC_SUCCESS iff successful /// fapi2::ReturnCode config_rd_cen_vref (const fapi2::Target& i_target_mba, const uint8_t i_port, const uint32_t i_rd_cen_vref) { // VDD40375 = 40375, VDD41750 = 41750, VDD43125 = 43125, VDD44500 = 44500, // VDD45875 = 45875, VDD47250 = 47250, VDD48625 = 48625, VDD50000 = 50000, VDD51375 = 51375, // VDD52750 = 52750, VDD54125 = 54125, VDD55500 = 55500, VDD56875 = 56875, VDD58250 = 58250, // VDD59625 = 59625, VDD61000 = 61000, VDD60375 = 60375, VDD61750 = 61750, VDD63125 = 63125, // VDD64500 = 64500, VDD65875 = 65875, VDD67250 = 67250, VDD68625 = 68625, VDD70000 = 70000, // VDD71375 = 71375, VDD72750 = 72750, VDD74125 = 74125, VDD75500 = 75500, VDD76875 = 76875, // VDD78250 = 78250, VDD79625 = 79625, VDD81000 = 81000 // DDR3 supports upto 61000, DDR4 - full range fapi2::buffer data_buffer; uint32_t rd_vref = 0; FAPI_ASSERT(i_port < MAX_PORTS_PER_MBA, fapi2::CEN_CONFIG_RD_CEN_VREF_INVALID_INPUT(). set_PORT_PARAM(i_port), "Read vref port input(%u) out of bounds", i_port); //if (rd_cen_vref == DDR3 rd_vref ) || (rd_cen_vref == DDR4) if((i_rd_cen_vref == 61000) || (i_rd_cen_vref == 81000)) { rd_vref = 0xF; } else if((i_rd_cen_vref == 59625) || (i_rd_cen_vref == 79625)) { rd_vref = 0xE; } else if((i_rd_cen_vref == 58250) || (i_rd_cen_vref == 78250)) { rd_vref = 0xD; } else if((i_rd_cen_vref == 56875) || (i_rd_cen_vref == 76875)) { rd_vref = 0xC; } else if((i_rd_cen_vref == 55500) || (i_rd_cen_vref == 75500)) { rd_vref = 0xB; } else if((i_rd_cen_vref == 54125) || (i_rd_cen_vref == 74125)) { rd_vref = 0xA; } else if((i_rd_cen_vref == 52750) || (i_rd_cen_vref == 72750)) { rd_vref = 0x9; } else if((i_rd_cen_vref == 51375) || (i_rd_cen_vref == 71375)) { rd_vref = 0x8; } else if((i_rd_cen_vref == 50000) || (i_rd_cen_vref == 70000)) { rd_vref = 0x0; } else if((i_rd_cen_vref == 48625) || (i_rd_cen_vref == 68625)) { rd_vref = 0x1; } else if((i_rd_cen_vref == 47250) || (i_rd_cen_vref == 67250)) { rd_vref = 0x2; } else if((i_rd_cen_vref == 45875) || (i_rd_cen_vref == 65875)) { rd_vref = 0x3; } else if((i_rd_cen_vref == 44500) || (i_rd_cen_vref == 64500)) { rd_vref = 0x4; } else if((i_rd_cen_vref == 43125) || (i_rd_cen_vref == 63125)) { rd_vref = 0x5; } else if((i_rd_cen_vref == 41750) || (i_rd_cen_vref == 61750)) { rd_vref = 0x6; } else if((i_rd_cen_vref == 40375) || (i_rd_cen_vref == 60375)) { rd_vref = 0x7; } else { rd_vref = 0x0; } FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(rd_vref, 56, 4), "config_rd_vref: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P0_4, data_buffer)); FAPI_TRY(fapi2::getScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_0, data_buffer)); FAPI_TRY(data_buffer.insertFromRight(rd_vref, 56, 4), "config_rd_vref: Error in setting up buffer "); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_0, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_1, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_2, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_3, data_buffer)); FAPI_TRY(fapi2::putScom(i_target_mba, CEN_MBA_DDRPHY_DP18_RX_PEAK_AMP_P1_4, data_buffer)); fapi_try_exit: return fapi2::current_err; } /// /// Function: mss_slew_cal() /// @brief Runs the slew calibration engine to configure MSS_SLEW_DATA/ADR attrs and calls config_slew_rate to set the slew rate /// @param[in] i_target_mba centaur mba /// fapi2::ReturnCode mss_slew_cal(const fapi2::Target& i_target_mba) { fapi2::ReturnCode array_rcs[MAX_PORTS_PER_MBA]; // capture rc per port loop uint32_t poll_count = 0; uint8_t ports_valid = 0; uint8_t is_sim = 0; fapi2::ReturnCode rc; uint8_t freq_idx = 0; // freq index into lookup table uint32_t ddr_freq = 0; // current ddr freq uint8_t ddr_idx = 0; // ddr type index into lookup table uint8_t ddr_type = 0; // ATTR_CEN_EFF_DRAM_GEN{0=invalid, 1=ddr3, 2=ddr4} uint8_t cal_status = 0; // bypass slew (MAX slew rate) not included since it is not calibrated. // for output ATTR_CEN_MSS_SLEW_RATE_DATA(0), // ATTR_CEN_MSS_SLEW_RATE_ADR(1), [port=2][imp=4][slew=4] uint8_t calibrated_slew[2][MAX_PORTS_PER_MBA][MAX_NUM_IMP] [MAX_NUM_CAL_SLEW_RATES] = {{{{ 0 }}}}; fapi2::Target l_target_centaur; // temporary target for parent fapi2::buffer ctl_reg; fapi2::buffer stat_reg; // DD level 1.0-1.1, Version 1.0 // [ddr3/4][dq/adr][speed][impedance][slew_rate] // note: Assumes standard voltage for DDR3(1.35V), DDR4(1.2V), // little endian, if >=128, lab only debug. // // ddr_type(2) ddr3=0, ddr4=1 // data/adr(2) data(dq/dqs)=0, adr(cmd/cntl)=1 // speed(4) 1066=0, 1333=1, 1600=2, 1866=3 // imped(4) 24ohms=0, 30ohms=1, 34ohms=2, 40ohms=3 for DQ/DQS // imped(4) 15ohms=0, 20ohms=1, 30ohms=2, 40ohms=3 for ADR driver // slew(3) 3V/ns=0, 4V/ns=1, 5V/ns=2, 6V/ns=3 const uint8_t slew_table[2][2][4][4][4] = { // NOTE: bit 7 = unsupported slew, and actual value is in bits 4:0 /* DDR3(0) */ { { // dq/dqs(0) /* Imp. ________24ohms______..________30ohms______..________34ohms______..________40ohms______ Slew 3 4 5 6 3 4 5 6 3 4 5 6 3 4 5 6 (V/ns) */ /*1066*/{{ 12, 9, 7, 134}, { 13, 9, 7, 133}, { 13, 10, 7, 134}, { 14, 10, 7, 132}}, /*1333*/{{ 15, 11, 8, 135}, { 16, 12, 9, 135}, { 17, 12, 9, 135}, { 17, 12, 8, 133}}, /*1600*/{{ 18, 13, 10, 136}, { 19, 14, 10, 136}, { 20, 15, 11, 136}, { 21, 14, 10, 134}}, /*1866*/{{149, 143, 140, 138}, {151, 144, 140, 137}, {151, 145, 141, 138}, {152, 145, 139, 135}} }, { // adr(1), /* Imp. ________15ohms______..________20ohms______..________30ohms______..________40ohms______ Slew 3 4 5 6 3 4 5 6 3 4 5 6 3 4 5 6 (V/ns) */ // 1066 {{ 17, 13, 10, 8}, { 13, 11, 7, 6}, { 12, 8, 5, 131}, { 7, 4, 131, 131}}, // old before May 2013 /*1066*/{{ 17, 13, 10, 8}, { 13, 10, 7, 6}, { 12, 8, 5, 131}, { 7, 4, 131, 131}}, /*1333*/{{ 21, 16, 12, 10}, { 17, 12, 9, 7}, { 15, 10, 6, 132}, { 6, 5, 132, 132}}, /*1600*/{{ 25, 19, 15, 12}, { 20, 14, 13, 8}, { 19, 12, 7, 133}, { 7, 6, 133, 133}}, /*1866*/{{157, 150, 145, 142}, {151, 145, 141, 138}, {150, 142, 136, 134}, {141, 134, 134, 134}} } }, /* DDR4(1) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ { { // dq/dqs(0) /* Imp. ________24ohms______..________30ohms______..________34ohms______..________40ohms______ Slew 3 4 5 6 3 4 5 6 3 4 5 6 3 4 5 6 (V/ns) */ /*1066*/{{138, 135, 134, 133}, {139, 136, 134, 132}, {140, 136, 134, 132}, {140, 136, 132, 132}}, /*1333*/{{139, 137, 135, 134}, {142, 138, 135, 133}, {143, 138, 135, 133}, {143, 138, 133, 132}}, /*1600*/{{ 15, 11, 9, 135}, { 17, 11, 9, 135}, { 18, 13, 9, 134}, { 18, 11, 6, 133}}, /*1866*/{{ 18, 13, 10, 137}, { 19, 13, 10, 136}, { 21, 15, 10, 135}, { 21, 13, 8, 134}} }, { // adr(1) /* Imp. ________15ohms______..________20ohms______..________30ohms______..________40ohms______ Slew 3 4 5 6 3 4 5 6 3 4 5 6 3 4 5 6 (V/ns) */ /*1066*/{{142, 139, 136, 134}, {140, 136, 134, 133}, {138, 134, 131, 131}, {133, 131, 131, 131}}, /*1333*/{{145, 142, 139, 136}, {143, 138, 135, 134}, {140, 135, 132, 132}, {134, 132, 132, 132}}, /*1600*/{{ 21, 16, 13, 10}, { 18, 12, 9, 135}, { 15, 8, 133, 133}, { 7, 133, 133, 133}}, /*1866*/{{ 24, 19, 15, 11}, { 21, 14, 10, 136}, { 17, 10, 134, 134}, { 9, 134, 134, 134}} } } }; // slew calibration control register const uint64_t slew_cal_cntl[] = { CEN_MBA_DDRPHY_ADR_SLEW_CAL_CNTL_P0_ADR32S0, // port 0 CEN_MBA_DDRPHY_ADR_SLEW_CAL_CNTL_P1_ADR32S0 // port 1 }; // slew calibration status registers const uint64_t slew_cal_stat[] = { CEN_MBA_DDRPHY_ADR_SYSCLK_PR_VALUE_RO_P0_ADR32S0_RO, CEN_MBA_DDRPHY_ADR_SYSCLK_PR_VALUE_RO_P1_ADR32S0_RO }; const uint8_t ENABLE_BIT = 48; const uint8_t START_BIT = 49; const uint8_t BB_LOCK_BIT = 56; // general purpose 100 ns delay for HW mode (2000 sim cycles if simclk = 20ghz) const uint16_t DELAY_100NS = 100; const uint16_t DELAY_2000NCLKS = 4000; // roughly 2000 nclks if DDR freq >= 1066 // normally 2000, but since cal doesn't work in SIM, setting to 1 const uint16_t DELAY_SIMCYCLES = 1; const uint8_t MAX_POLL_LOOPS = 20; uint8_t cal_slew; uint8_t slew_imp_val [MAX_NUM_SLEW_TYPES][2][MAX_PORTS_PER_MBA] = {{{0}}}; enum { SLEW = 0, IMP = 1, }; // verify which ports are functional FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MSS_EFF_DIMM_FUNCTIONAL_VECTOR, i_target_mba, ports_valid), "Failed to get attribute:ATTR_CEN_MSS_EFF_DIMM_FUNCTIONAL_VECTOR"); // Check if in SIM FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_IS_SIMULATION, fapi2::Target(), is_sim), "Failed to get attribute: ATTR_IS_SIMULATION"); // Get DDR type (DDR3 or DDR4) FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_EFF_DRAM_GEN, i_target_mba, ddr_type), "Failed to get attribute: ATTR_CEN_EFF_DRAM_GEN"); // ddr_type(2) ddr3=0, ddr4=1 if (ddr_type == fapi2::ENUM_ATTR_CEN_EFF_DRAM_GEN_DDR4) //type=2 { ddr_idx = 1; } else if (ddr_type == fapi2::ENUM_ATTR_CEN_EFF_DRAM_GEN_DDR3) //type=1 { ddr_idx = 0; } else { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_INVALID_DRAM_GEN(). set_DRAM_GEN(ddr_type), "Invalid ATTR_CEN_DRAM_DRAM_GEN = %d, %s!", ddr_type, mss::c_str(i_target_mba)); } // get freq from parent l_target_centaur = i_target_mba.getParent(); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MSS_FREQ, l_target_centaur, ddr_freq)); if (ddr_freq == 0) { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_INVALID_FREQ(), "Invalid ATTR_CEN_MSS_FREQ = %d on %s!", ddr_freq, mss::c_str(i_target_mba)); } // speed(4) 1066=0, 1333=1, 1600=2, 1866=3 if (ddr_freq > 1732) { freq_idx = 3; // for 1866+ } else if ((ddr_freq > 1460) && (ddr_freq <= 1732)) { freq_idx = 2; // for 1600 } else if ((ddr_freq > 1200) && (ddr_freq <= 1460)) { freq_idx = 1; // for 1333 } else // (ddr_freq <= 1200) { freq_idx = 0; // for 1066- } for (uint8_t l_port = 0; l_port < MAX_PORTS_PER_MBA; l_port++) { uint8_t port_val = (ports_valid & (0xF0 >> (4 * l_port))); if (port_val == 0) { FAPI_INF("WARNING: port %u is invalid from " "ATTR_CEN_MSS_EFF_DIMM_FUNCTIONAL_VECTOR (0x%02x), skipping.", l_port, ports_valid); continue; } // Step A: Configure ADR registers and MCLK detect (done in ddr_phy_reset) // CEN_MBA_DDRPHY_ADR_SLEW_CAL_CNTL_P0_ADR32S0 + port FAPI_TRY(fapi2::getScom(i_target_mba, slew_cal_cntl[l_port], ctl_reg), "Error reading DDRPHY_ADR_SLEW_CAL_CNTL register."); ctl_reg.flush<0>(); FAPI_TRY(ctl_reg.setBit(ENABLE_BIT), "Error setting enable bit in ADR Slew calibration " "control register."); // set enable (bit49) to 1 FAPI_INF("Enabling slew calibration engine on port %i: DDR%i(%u) " "%u(%u) in %s", l_port, (ddr_type + 2), ddr_idx, ddr_freq, freq_idx, mss::c_str(i_target_mba)); // CEN_MBA_DDRPHY_ADR_SLEW_CAL_CNTL_P0_ADR32S0 + port FAPI_TRY(fapi2::putScom(i_target_mba, slew_cal_cntl[l_port], ctl_reg), "Error enabling slew calibration engine in " "DDRPHY_ADR_SLEW_CAL_CNTL register."); // Note: must be 2000 nclks+ after setting enable bit FAPI_TRY(fapi2::delay(DELAY_2000NCLKS, 1), "Error executing fapi2::delay of 2000 nclks or 1 simcycle"); //---------------------------------------------------------------------/ // Step 1. Check for BB lock. FAPI_DBG("Wait for BB lock in status register, bit %u", BB_LOCK_BIT); for (poll_count = 0; poll_count < MAX_POLL_LOOPS; poll_count++) { FAPI_TRY(fapi2::delay(DELAY_100NS, DELAY_SIMCYCLES), "Error executing fapi2::delay of 100ns or 2000simcycles"); // CEN_MBA_DDRPHY_ADR_SYSCLK_PR_VALUE_RO_P0_ADR32S0_RO + port FAPI_TRY(fapi2::getScom(i_target_mba, slew_cal_stat[l_port], stat_reg), "Error reading DDRPHY_ADR_SYSCLK_PR_VALUE_RO register " "for BB_Lock."); // FAPI_DBG("stat_reg = 0x%04x, count=%i",stat_reg.getHalfWord(3), // poll_count); if (stat_reg.getBit(BB_LOCK_BIT)) { break; } } if (poll_count == MAX_POLL_LOOPS) { FAPI_INF("WARNING: Timeout on polling BB_Lock, continuing..."); } else { FAPI_DBG("polling finished in %i loops (%u ns)\n", poll_count, (100 * poll_count)); } //---------------------------------------------------------------------/ // Create calibrated slew settings // dq/adr(2) dq/dqs=0, adr=1 // slew(4) 3V/ns=0, 4V/ns=1, 5V/ns=2, 6V/ns=3 for (uint8_t data_adr = 0; data_adr < 2; data_adr++) { FAPI_INF("Starting %s(%i) slew calibration...", (data_adr ? "ADR" : "DATA"), data_adr); for (uint8_t imp = 0; imp < MAX_NUM_IMP; imp++) { for (uint8_t slew = 0; slew < MAX_NUM_CAL_SLEW_RATES; slew++) { cal_slew = slew_table[ddr_idx][data_adr][freq_idx][imp][slew]; // set slew phase rotator from slew_table // slew_table[ddr3/4][dq/adr][freq][impedance][slew_rate] FAPI_TRY(ctl_reg.insertFromRight(cal_slew, 59, 5), "Error setting start bit or cal input value."); FAPI_TRY(ctl_reg.setBit(START_BIT), "Error setting start bit or cal input value."); // set start bit(48) /* FAPI_DBG("Slew data_adr=%i, imp_idx=%i, slewrate=%i, " "i_slew=%i,0x%02X (59:63) cntl_reg(48:63)=0x%04X", data_adr, imp, (slew+3), cal_slew, cal_slew, ctl_reg.getHalfWord(3)); */ // CEN_MBA_DDRPHY_ADR_SLEW_CAL_CNTL_P0_ADR32S0 + port FAPI_TRY(fapi2::putScom(i_target_mba, slew_cal_cntl[l_port], ctl_reg), "Error starting slew calibration."); // poll for calibration status done or timeout... for (poll_count = 0; poll_count < MAX_POLL_LOOPS; poll_count++) { // CEN_MBA_DDRPHY_ADR_SYSCLK_PR_VALUE_RO_P0_ADR32S0_RO + port FAPI_TRY(fapi2::getScom(i_target_mba, slew_cal_stat[l_port], stat_reg), "Error reading " "DDRPHY_ADR_SYSCLK_PR_VALUE_RO " "register for calibration status."); FAPI_TRY(stat_reg.extractToRight(cal_status, 58, 2), "Error getting calibration status bits"); if (cal_status != 0) { break; } // wait (1020 mclks / MAX_POLL_LOOPS) FAPI_TRY(fapi2::delay(DELAY_100NS, DELAY_SIMCYCLES)); } if (cal_status > 1) { if (cal_status == 3) { FAPI_DBG("slew calibration completed successfully," " loop=%i input=0x%02x", poll_count, (cal_slew & 0x1F)); } else if (cal_status == 2) { /* FAPI_INF("WARNING: occurred during slew calibration" ", imped=%i, slewrate=%i %s ddr_idx[%i]", data_adr ? adr_imp_array[imp] : drv_imp_array[(4-imp)], (slew+3), i_target_mba.toEcmdString(), ddr_idx); FAPI_INF("data_adr[%i], freq_idx[%i], imp[%i], slew[%i]", data_adr, freq_idx, imp, slew); FAPI_INF("input=0x%02X, ctrl=0x%04X, status=0x%04X", (cal_slew & 0x1F), ctl_reg.getHalfWord(3), stat_reg.getHalfWord(3)); */ } cal_slew = cal_slew & 0x80; // clear bits 6:0 stat_reg.extract<60, 4, 4>(cal_slew); FAPI_DBG("MSS_SLEW_RATE_%s port[%i]imp[%i]slew[%i] = " "0x%02x\n", (data_adr ? "ADR" : "DATA"), l_port, imp, slew, (cal_slew & 0xF)); calibrated_slew[data_adr][l_port][imp][slew] = cal_slew; } else { if (is_sim) { // Calibration fails in sim since bb_lock not // possible in cycle simulator, putting initial // to be cal'd value in output table FAPI_INF("In SIM setting input slew value in array" ", status(%i) NOT clean.", cal_status); calibrated_slew[data_adr][l_port][imp][slew] = cal_slew; } else { FAPI_ERR("Slew calibration failed on %s slew: " "imp_idx=%d(%i ohms)", (data_adr ? "ADR" : "DATA"), imp, (data_adr ? adr_imp_array[imp] : drv_imp_array[(4 - imp)])); // FAPI_ERR("slew_idx=%d(%i V/ns), slew_table=0x%02X", // slew, (slew+3), cal_slew); //FAPI_ERR("ctl_reg=0x%04X, status=0x%04X on %s!", // stat_reg.getHalfWord(3), // ctl_reg.getHalfWord(3), // i_target_mba.toEcmdString()); if (cal_status == 1) { if (l_port == 0) { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_ERROR_PORT0(). set_DATA_ADR(data_adr). set_IMP(imp). set_SLEW(slew). set_MBA_IN_ERROR(i_target_mba). set_STAT_REG(stat_reg), "Error occurred during slew calibration on port 0"); } else { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_ERROR_PORT1(). set_DATA_ADR(data_adr). set_IMP(imp). set_SLEW(slew). set_MBA_IN_ERROR(i_target_mba). set_STAT_REG(stat_reg), "Error occurred during slew calibration on port 1"); } } else { if (l_port == 0) { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_TIMEOUT_PORT0(). set_DATA_ADR(data_adr). set_IMP(imp). set_SLEW(slew). set_MBA_IN_ERROR(i_target_mba). set_STAT_REG(stat_reg), "Slew calibration timed out on port 0, loop=%i", poll_count); } else { FAPI_ASSERT(false, fapi2::CEN_MSS_SLEW_CAL_TIMEOUT_PORT1(). set_DATA_ADR(data_adr). set_IMP(imp). set_SLEW(slew). set_MBA_IN_ERROR(i_target_mba). set_STAT_REG(stat_reg), "Slew calibration timed out on port 1, loop=%i", poll_count); } } array_rcs[l_port] = rc; continue; } } // end error check } // end slew } // end imp } // end data_adr // disable calibration engine for port ctl_reg.clearBit(ENABLE_BIT); FAPI_TRY(fapi2::putScom(i_target_mba, slew_cal_cntl[l_port], ctl_reg), "Error disabling slew calibration engine in " "DDRPHY_ADR_SLEW_CAL_CNTL register."); FAPI_INF("Finished slew calibration on port %i: " "disabling cal engine\n", l_port); } // end port loop for (uint8_t rn = 0; rn < MAX_PORTS_PER_MBA; rn++) { if (array_rcs[rn] != fapi2::FAPI2_RC_SUCCESS) { FAPI_ERR("Returning ERROR RC for port %u", rn); return array_rcs[rn]; } } FAPI_INF("Setting output slew tables ATTR_CEN_MSS_SLEW_RATE_DATA/ADR\n"); // ATTR_CEN_MSS_SLEW_RATE_DATA [2][4][4] port, imped, slew_rate FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_CEN_MSS_SLEW_RATE_DATA, i_target_mba, calibrated_slew[0]), "Failed to set attribute: ATTR_CEN_MSS_SLEW_RATE_DATA"); // ATTR_CEN_MSS_SLEW_RATE_ADR [2][4][4] port, imped, slew_rate FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_CEN_MSS_SLEW_RATE_ADR, i_target_mba, calibrated_slew[1]), "Failed to set attribute: ATTR_CEN_MSS_SLEW_RATE_ADR"); /******************************************************************************/ // Get desired dq/dqs slew rate & impedance from attribute FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_EFF_CEN_SLEW_RATE_DQ_DQS, i_target_mba, slew_imp_val[SLEW_TYPE_DATA][SLEW]), "Failed to get attribute: ATTR_CEN_EFF_CEN_SLEW_RATE_DQ_DQS"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS, i_target_mba, slew_imp_val[SLEW_TYPE_DATA][IMP]), "Failed to get attribute: ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS"); // convert enum value to actual ohms. for (uint8_t j = 0; j < MAX_PORTS_PER_MBA; j++) { // FAPI_INF("DQ_DQS IMP Attribute[%i] = %u", j, // slew_imp_val[SLEW_TYPE_DATA][IMP][j]); switch (slew_imp_val[SLEW_TYPE_DATA][IMP][j]) { case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM24_FFE0: slew_imp_val[SLEW_TYPE_DATA][IMP][j] = 24; break; case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM30_FFE0: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM30_FFE480: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM30_FFE240: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM30_FFE160: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM30_FFE120: slew_imp_val[SLEW_TYPE_DATA][IMP][j] = 30; break; case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM34_FFE0: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM34_FFE480: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM34_FFE240: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM34_FFE160: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM34_FFE120: slew_imp_val[SLEW_TYPE_DATA][IMP][j] = 34; break; case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM40_FFE0: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM40_FFE480: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM40_FFE240: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM40_FFE160: case fapi2::ENUM_ATTR_CEN_EFF_CEN_DRV_IMP_DQ_DQS_OHM40_FFE120: slew_imp_val[SLEW_TYPE_DATA][IMP][j] = 40; break; default: FAPI_INF("WARNING: EFF_CEN_DRV_IMP_DQ_DQS attribute " "invalid, using value of 0"); } // FAPI_DBG("switched imp to value of %u", // slew_imp_val[SLEW_TYPE_DATA][IMP][j]); } // Get desired ADR control slew rate & impedance from attribute FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_SLEW_RATE_CNTL, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_CNTL][SLEW]), "Failed to get attribute: ATTR_CEN_VPD_SLEW_RATE_CNTL"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_DRV_IMP_CNTL, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_CNTL][IMP]), "Failed to get attribute: ATTR_CEN_VPD_DRV_IMP_CNTL"); // Get desired ADR command slew rate & impedance from attribute FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_SLEW_RATE_ADDR, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_ADDR][SLEW]), "Failed to get attribute: ATTR_CEN_VPD_SLEW_RATE_ADDR"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_DRV_IMP_ADDR, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_ADDR][IMP]), "Failed to get attribute: ATTR_CEN_VPD_DRV_IMP_ADDR"); // Get desired ADR clock slew rate & impedance from attribute FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_SLEW_RATE_CLK, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_CLK][SLEW]), "Failed to get attribute: ATTR_CEN_VPD_SLEW_RATE_CLK"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_DRV_IMP_CLK, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_CLK][IMP]), "Failed to get attribute: ATTR_CEN_VPD_DRV_IMP_CLK"); // Get desired ADR Spare clock slew rate & impedance from attribute FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_SLEW_RATE_SPCKE, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_SPCKE][SLEW]), "Failed to get attribute: ATTR_CEN_VPD_SLEW_RATE_SPCKE"); FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_VPD_DRV_IMP_SPCKE, i_target_mba, slew_imp_val[SLEW_TYPE_ADR_SPCKE][IMP]), "Failed to get attribute: ATTR_CEN_VPD_DRV_IMP_SPCKE"); for (uint8_t l_port = 0; l_port < MAX_PORTS_PER_MBA; l_port++) { //uint8_t ports_mask = 0xF0; // bits 0:3 = port0, bits 4:7 = port1 uint8_t port_val = (ports_valid & (0xF0 >> (4 * l_port))); if (port_val == 0) { FAPI_INF("WARNING: port %u is invalid from " "ATTR_CEN_MSS_EFF_DIMM_FUNCTIONAL_VECTOR, 0x%02x " "skipping configuration of slew rate on this port", l_port, ports_valid); continue; } FAPI_INF("Setting slew registers for port %i", l_port); for (uint8_t slew_type = 0; slew_type < MAX_NUM_SLEW_TYPES; slew_type++) { fapi2::ReturnCode config_rc = config_slew_rate(i_target_mba, l_port, slew_type, slew_imp_val[slew_type][IMP][l_port], slew_imp_val[slew_type][SLEW][l_port]); if (config_rc) { array_rcs[l_port] = config_rc; } } } for (uint8_t rn = 0; rn < MAX_PORTS_PER_MBA; rn++) { if (array_rcs[rn] != fapi2::FAPI2_RC_SUCCESS) { FAPI_ERR("Returning ERROR RC for port %u", rn); return array_rcs[rn]; } } fapi_try_exit: return fapi2::current_err; }