62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
/*
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* TimingConfiguration.h
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*
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* Created on: Mar 6, 2014
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* Author: jonny
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*/
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#ifndef TIMINGS_H_
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#define TIMINGS_H_
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#include <systemc.h>
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#include "core/utils/Utils.h"
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namespace controller{
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struct RefreshTiming
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{
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RefreshTiming(sc_time tRFC, sc_time tREFI) : tRFC(tRFC), tREFI(tREFI) {}
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sc_time tRFC;
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sc_time tREFI;
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};
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struct TimingConfiguration
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{
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TimingConfiguration(unsigned int numberOfBanks)
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{
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for (unsigned int i = 0; i < numberOfBanks; ++i)
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{
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sc_time tRFC = 18*clk;
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sc_time tREFI = sc_time(15.6, SC_US); //TODO align
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refreshTimings.push_back(RefreshTiming(tRFC, tREFI));
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}
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clk = sc_time(6.0, SC_NS); // 166MHz
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tRP = 3*clk; //precharge-time (pre -> act same bank)
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tRAS = 6*clk; //active-time (act -> pre same bank)
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tRC = tRP + tRAS; //RAS-cycle-time (min time bw 2 succesive ACT to same bank)
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tRRD = 2*clk; //(min time bw 2 succesive ACT to different banks)
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tRCD = 5*clk; //act -> read/write
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tTAW = clkAlign(sc_time(50, SC_NS), clk);
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}
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sc_time clk;
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sc_time tRP;
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sc_time tRAS;
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sc_time tRC;
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sc_time tRRD;
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sc_time tRCD;
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sc_time tTAW;
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std::vector<RefreshTiming> refreshTimings;
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};
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} /* namespace controller */
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#endif /* TimingConfiguration_H_ */
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