Files
DRAMSys/extensions/apps/traceAnalyzer/businessObjects/dramTimeDependencies/deviceDependencies/specialized/TimeDependenciesInfoLPDDR4.cpp
2023-05-25 15:15:52 +02:00

443 lines
17 KiB
C++

/*
* Copyright (c) 2022, RPTU Kaiserslautern-Landau
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors:
* Iron Prando da Silva
*/
#include "TimeDependenciesInfoLPDDR4.h"
using namespace std;
TimeDependenciesInfoLPDDR4::TimeDependenciesInfoLPDDR4(const QJsonObject& memspec, const uint tCK) : DRAMTimeDependenciesBase(memspec, tCK) {
mInitializeValues();
}
void TimeDependenciesInfoLPDDR4::mInitializeValues() {
burstLength = mMemspecJson["memarchitecturespec"].toObject()["burstLength"].toInt();
dataRate = mMemspecJson["memarchitecturespec"].toObject()["dataRate"].toInt();
tRRD = tCK * mMemspecJson["memtimingspec"].toObject()["RRD"].toInt();
tRCD = tCK * mMemspecJson["memtimingspec"].toObject()["RCD"].toInt();
tRAS = tCK * mMemspecJson["memtimingspec"].toObject()["RAS"].toInt();
tFAW = tCK * mMemspecJson["memtimingspec"].toObject()["FAW"].toInt();
tRPpb = tCK * mMemspecJson["memtimingspec"].toObject()["RPpb"].toInt();
tRPab = tCK * mMemspecJson["memtimingspec"].toObject()["RPab"].toInt();
tRCpb = tCK * mMemspecJson["memtimingspec"].toObject()["RCpb"].toInt();
tRCab = tCK * mMemspecJson["memtimingspec"].toObject()["RCab"].toInt();
tCCD = tCK * mMemspecJson["memtimingspec"].toObject()["CCD"].toInt();
tRTP = tCK * mMemspecJson["memtimingspec"].toObject()["RTP"].toInt();
tWR = tCK * mMemspecJson["memtimingspec"].toObject()["WR"].toInt();
tWTR = tCK * mMemspecJson["memtimingspec"].toObject()["WTR"].toInt();
tPPD = tCK * mMemspecJson["memtimingspec"].toObject()["PPD"].toInt();
tWPRE = tCK * mMemspecJson["memtimingspec"].toObject()["WPRE"].toInt();
tRPST = tCK * mMemspecJson["memtimingspec"].toObject()["RPST"].toInt();
tDQSCK = tCK * mMemspecJson["memtimingspec"].toObject()["DQSCK"].toInt();
tDQSS = tCK * mMemspecJson["memtimingspec"].toObject()["DQSS"].toInt();
tDQS2DQ = tCK * mMemspecJson["memtimingspec"].toObject()["DQS2DQ"].toInt();
tRL = tCK * mMemspecJson["memtimingspec"].toObject()["RL"].toInt();
tWL = tCK * mMemspecJson["memtimingspec"].toObject()["WL"].toInt();
tRFCab = tCK * mMemspecJson["memtimingspec"].toObject()["RFCab"].toInt();
tRFCpb = tCK * mMemspecJson["memtimingspec"].toObject()["RFCpb"].toInt();
tESCKE = tCK * mMemspecJson["memtimingspec"].toObject()["ESCKE"].toInt();
tSR = tCK * mMemspecJson["memtimingspec"].toObject()["SR"].toInt();
tXSR = tCK * mMemspecJson["memtimingspec"].toObject()["XSR"].toInt();
tXP = tCK * mMemspecJson["memtimingspec"].toObject()["XP"].toInt();
tCKE = tCK * mMemspecJson["memtimingspec"].toObject()["CKE"].toInt();
tCMDCKE = tCK * mMemspecJson["memtimingspec"].toObject()["CMDCKE"].toInt();
tRTRS = tCK * mMemspecJson["memtimingspec"].toObject()["RTRS"].toInt();
tBURST = (uint) (burstLength / (float) dataRate) * tCK;
tRDWR = tRL + tDQSCK + tBURST - tWL + tWPRE + tRPST;
tRDWR_R = tRL + tBURST + tRTRS - tWL;
tWRRD = tWL + tCK + tBURST + tWTR;
tWRRD_R = tWL + tBURST + tRTRS - tRL;
tRDPRE = tRTP + tBURST - 6 * tCK;
tRDAACT = tRTP + tRPpb + tBURST - 8 * tCK;
tWRPRE = 2 * tCK + tWL + tCK + tBURST + tWR;
tWRAACT = tWL + tBURST + tWR + tCK + tRPpb;
tACTPDEN = 3 * tCK + tCMDCKE;
tPRPDEN = tCK + tCMDCKE;
tRDPDEN = 3 * tCK + tRL + tDQSCK + tBURST + tRPST;
tWRPDEN = 3 * tCK + tWL + (ceil((uint) (tDQSS / (float) tCK)) + ceil((uint) (tDQS2DQ / (float) tCK))) * tCK + tBURST + tWR;
tWRAPDEN = 3 * tCK + tWL + (ceil((uint) (tDQSS / (float) tCK)) + ceil((uint) (tDQS2DQ / (float) tCK))) * tCK + tBURST + tWR + 2 * tCK;
tREFPDEN = tCK + tCMDCKE;
tSREFPDEN = tCK + tESCKE;
mPools.insert({
"CMD_BUS", {
1, {
{"ACT", 4 * tCK},
{"RD", 4 * tCK},
{"WR", 4 * tCK},
{"RDA", 4 * tCK},
{"WRA", 4 * tCK},
{"PREPB", 2 * tCK},
{"PREAB", 2 * tCK},
{"REFAB", 2 * tCK},
{"SREFEN", 2 * tCK},
{"SREFEX", 2 * tCK},
{"REFPB", 2 * tCK},
}
}
});
mPools.insert({
"NAW", {
4, {
{"ACT", tFAW},
{"REFPB", tFAW},
}
}
});
}
const std::vector<QString> TimeDependenciesInfoLPDDR4::getPossiblePhases() {
return {
"ACT",
"RD",
"WR",
"PREPB",
"RDA",
"WRA",
"REFPB",
"REFAB",
"PREAB",
"PDEP",
"PDXP",
"SREFEN",
"SREFEX",
"PDEA",
"PDXA",
"SRPDEN",
"SRPDEX",
};
}
DependencyMap TimeDependenciesInfoLPDDR4::mSpecializedGetDependencies() const {
DependencyMap dmap;
dmap.emplace(
piecewise_construct,
forward_as_tuple("ACT"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCpb, "ACT", DependencyType::IntraBank, "tRCpb"},
{tRRD, "ACT", DependencyType::IntraRank, "tRRD"},
{tRDAACT, "RDA", DependencyType::IntraBank, "tRDAACT"},
{tWRAACT, "WRA", DependencyType::IntraBank, "tWRAACT"},
{tRPpb - 2 * tCK, "PREPB", DependencyType::IntraBank, "tRPpb - 2 * tCK"},
{tRPab - 2 * tCK, "PREAB", DependencyType::IntraRank, "tRPab - 2 * tCK"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{tXP, "PDXP", DependencyType::IntraRank, "tXP"},
{tRFCab - 2 * tCK, "REFAB", DependencyType::IntraRank, "tRFCab - 2 * tCK"},
{tRFCpb - 2 * tCK, "REFPB", DependencyType::IntraBank, "tRFCpb - 2 * tCK"},
{tRRD - 2 * tCK, "REFPB", DependencyType::IntraRank, "tRRD - 2 * tCK"},
{tXSR - 2 * tCK, "SREFEX", DependencyType::IntraRank, "tXSR - 2 * tCK"},
{4 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
{tFAW, "NAW", DependencyType::IntraRank, "tFAW"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("RD"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCD, "ACT", DependencyType::IntraBank, "tRCD"},
{tCCD, "RD", DependencyType::IntraBank, "tCCD"}, //
{tCCD, "RD", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "RD", DependencyType::InterRank, "tBURST + tRTRS"},
{tCCD, "RDA", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "RDA", DependencyType::InterRank, "tBURST + tRTRS"},
{tWRRD, "WR", DependencyType::IntraBank, "tWRRD"},
{tWRRD, "WR", DependencyType::IntraRank, "tWRRD"},
{tWRRD_R, "WR", DependencyType::InterRank, "tWRRD_R"},
{tWRRD, "WRA", DependencyType::IntraRank, "tWRRD"},
{tWRRD_R, "WRA", DependencyType::InterRank, "tWRRD_R"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{4 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("WR"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCD, "ACT", DependencyType::IntraBank, "tRCD"},
{tRDWR, "RD", DependencyType::IntraBank, "tRDWR"}, //
{tRDWR, "RD", DependencyType::IntraRank, "tRDWR"},
{tRDWR_R, "RD", DependencyType::InterRank, "tRDWR_R"},
{tRDWR, "RDA", DependencyType::IntraRank, "tRDWR"},
{tRDWR_R, "RDA", DependencyType::InterRank, "tRDWR_R"},
{tCCD, "WR", DependencyType::IntraBank, "tCCD"},
{tCCD, "WR", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "WR", DependencyType::InterRank, "tBURST + tRTRS"},
{tCCD, "WRA", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "WRA", DependencyType::InterRank, "tBURST + tRTRS"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{4 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PREPB"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRAS + 2 * tCK, "ACT", DependencyType::IntraBank, "tRAS + 2 * tCK"},
{tRDPRE, "RD", DependencyType::IntraBank, "tRDPRE"},
{tWRPRE, "WR", DependencyType::IntraBank, "tWRPRE"},
{tPPD, "PREPB", DependencyType::IntraRank, "tPPD"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("RDA"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCD, "ACT", DependencyType::IntraBank, "tRCD"},
{tCCD, "RD", DependencyType::IntraBank, "tCCD"},
{tCCD, "RD", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "RD", DependencyType::InterRank, "tBURST + tRTRS"},
{tCCD, "RDA", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "RDA", DependencyType::InterRank, "tBURST + tRTRS"},
{max({tWRRD, tWRPRE - tRDPRE}), "WR", DependencyType::IntraBank, "max(tWRRD, tWRPRE - tRDPRE)"},
{tWRRD, "WR", DependencyType::IntraRank, "tWRRD"},
{tWRRD_R, "WR", DependencyType::InterRank, "tWRRD_R"},
{tWRRD, "WRA", DependencyType::IntraRank, "tWRRD"},
{tWRRD_R, "WRA", DependencyType::InterRank, "tWRRD_R"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{4 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("WRA"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCD, "ACT", DependencyType::IntraBank, "tRCD"},
{tRDWR, "RD", DependencyType::IntraBank, "tRDWR"},
{tRDWR, "RD", DependencyType::IntraRank, "tRDWR"},
{tRDWR_R, "RD", DependencyType::InterRank, "tRDWR_R"},
{tRDWR, "RDA", DependencyType::IntraRank, "tRDWR"},
{tRDWR_R, "RDA", DependencyType::InterRank, "tRDWR_R"},
{tCCD, "WR", DependencyType::IntraBank, "tCCD"},
{tCCD, "WR", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "WR", DependencyType::InterRank, "tBURST + tRTRS"},
{tCCD, "WRA", DependencyType::IntraRank, "tCCD"},
{tBURST + tRTRS, "WRA", DependencyType::InterRank, "tBURST + tRTRS"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{4 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("REFPB"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCpb + 2 * tCK, "ACT", DependencyType::IntraBank, "tRCpb + 2 * tCK"},
{tRRD + 2 * tCK, "ACT", DependencyType::IntraRank, "tRRD + 2 * tCK"},
{tRDPRE + tRPpb, "RDA", DependencyType::IntraBank, "tRDPRE + tRPpb"},
{tWRPRE + tRPpb, "WRA", DependencyType::IntraBank, "tWRPRE + tRPpb"},
{tRPpb, "PREPB", DependencyType::IntraBank, "tRPpb"},
{tRPab, "PREAB", DependencyType::IntraRank, "tRPab"},
{tXP, "PDXP", DependencyType::IntraRank, "tXP"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{tRFCab, "REFAB", DependencyType::IntraRank, "tRFCab"},
{tRFCpb, "REFPB", DependencyType::IntraBank, "tRFCpb"}, //
{tRFCpb, "REFPB", DependencyType::IntraRank, "tRFCpb"},
{tXSR, "SREFEX", DependencyType::IntraRank, "tXSR"},
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
{tFAW, "NAW", DependencyType::IntraRank, "tFAW"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("REFAB"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCpb + 2 * tCK, "ACT", DependencyType::IntraRank, "tRCpb + 2 * tCK"},
{tRDPRE + tRPpb, "RDA", DependencyType::IntraRank, "tRDPRE + tRPpb"},
{tWRPRE + tRPpb, "WRA", DependencyType::IntraRank, "tWRPRE + tRPpb"},
{tRPpb, "PREPB", DependencyType::IntraRank, "tRPpb"},
{tRPab, "PREAB", DependencyType::IntraRank, "tRPab"},
{tXP, "PDXP", DependencyType::IntraRank, "tXP"},
{tRFCab, "REFAB", DependencyType::IntraRank, "tRFCab"},
{tRFCpb, "REFPB", DependencyType::IntraRank, "tRFCpb"},
{tXSR, "SREFEX", DependencyType::IntraRank, "tXSR"},
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PREAB"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRAS + 2 * tCK, "ACT", DependencyType::IntraRank, "tRAS + 2 * tCK"},
{tRDPRE, "RD", DependencyType::IntraRank, "tRDPRE"},
{tRDPRE, "RDA", DependencyType::IntraRank, "tRDPRE"},
{tWRPRE, "WR", DependencyType::IntraRank, "tWRPRE"},
{tWRPRE, "WRA", DependencyType::IntraRank, "tWRPRE"},
{tPPD, "PREPB", DependencyType::IntraRank, "tPPD"},
{tXP, "PDXA", DependencyType::IntraRank, "tXP"},
{tRFCpb, "REFPB", DependencyType::IntraRank, "tRFCpb"},
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PDEP"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRDPDEN, "RD", DependencyType::IntraRank, "tRDPDEN"},
{tRDPDEN, "RDA", DependencyType::IntraRank, "tRDPDEN"},
{tWRAPDEN, "WRA", DependencyType::IntraRank, "tWRAPDEN"},
{tPRPDEN, "PREPB", DependencyType::IntraRank, "tPRPDEN"},
{tPRPDEN, "PREAB", DependencyType::IntraRank, "tPRPDEN"},
{tCKE, "PDXP", DependencyType::IntraRank, "tCKE"},
{tREFPDEN, "REFAB", DependencyType::IntraRank, "tREFPDEN"},
{tREFPDEN, "REFPB", DependencyType::IntraRank, "tREFPDEN"},
{tXSR, "SREFEX", DependencyType::IntraRank, "tXSR"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PDXP"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tCKE, "PDEP", DependencyType::IntraRank, "tCKE"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("SREFEN"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tRCpb + 2 * tCK, "ACT", DependencyType::IntraRank, "tRCpb + 2 * tCK"},
{max({tRDPDEN, tRDPRE + tRPpb}), "RDA", DependencyType::IntraRank, "max(tRDPDEN, tRDPRE + tRPpb)"},
{max({tWRAPDEN, tWRPRE + tRPpb}), "WRA", DependencyType::IntraRank, "max(tWRAPDEN, tWRPRE + tRPpb)"},
{tRPpb, "PREPB", DependencyType::IntraRank, "tRPpb"},
{tRPab, "PREAB", DependencyType::IntraRank, "tRPab"},
{tXP, "PDXP", DependencyType::IntraRank, "tXP"},
{tRFCab, "REFAB", DependencyType::IntraRank, "tRFCab"},
{tRFCpb, "REFPB", DependencyType::IntraRank, "tRFCpb"},
{tXSR, "SREFEX", DependencyType::IntraRank, "tXSR"},
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("SREFEX"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tSR, "SREFEN", DependencyType::IntraRank, "tSR"},
{tXP, "SRPDEX", DependencyType::IntraRank, "tXP"}, //
{2 * tCK, "CMD_BUS", DependencyType::InterRank, "CommandBus"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PDEA"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tACTPDEN, "ACT", DependencyType::IntraRank, "tACTPDEN"},
{tRDPDEN, "RD", DependencyType::IntraRank, "tRDPDEN"},
{tRDPDEN, "RDA", DependencyType::IntraRank, "tRDPDEN"},
{tWRPDEN, "WR", DependencyType::IntraRank, "tWRPDEN"},
{tWRAPDEN, "WRA", DependencyType::IntraRank, "tWRAPDEN"},
{tPRPDEN, "PREPB", DependencyType::IntraRank, "tPRPDEN"},
{tCKE, "PDXA", DependencyType::IntraRank, "tCKE"},
{tREFPDEN, "REFPB", DependencyType::IntraRank, "tREFPDEN"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("PDXA"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tCKE, "PDEA", DependencyType::IntraRank, "tCKE"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("SRPDEN"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tSREFPDEN, "SREFEN", DependencyType::IntraRank, "tSREFPDEN"},
}
)
);
dmap.emplace(
piecewise_construct,
forward_as_tuple("SRPDEX"),
forward_as_tuple(
initializer_list<TimeDependency>{
{tCKE, "SRPDEN", DependencyType::IntraRank, "tCKE"},
}
)
);
return dmap;
}