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// SDHC-SC-Core
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// Secure Digital High Capacity Self Configuring Core
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//
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// (C) Copyright 2010, Rainer Kastl
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// File : SdCommand.sv
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// Owner : Rainer Kastl
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// Description : Classes and types describing the commands of the SD spec
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// Links :
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//
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`ifndef SDCOMMAND
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`define SDCOMMAND
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`include "SDCommandArg.sv";
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`include "SdCardState.sv";
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`include "SDCID.sv";
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`include "SDOCR.sv";
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`include "SdBFM.sv";
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typedef logic[15:0] RCA_t;
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typedef enum {
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cSdCmdGoIdleState = 0,
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cSdCmdAllSendCID = 2,
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cSdCmdSendRelAdr = 3,
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cSdCmdSetDSR = 4, // [31:16] DSR
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cSdCmdSwitchFuntion = 6,
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cSdCmdSelCard = 7, // [31:16] RCA
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cSdCmdSendIfCond = 8, // [31:12] reserved, [11:8] supply voltage, [7:0] check pattern
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cSdCmdSendCSD = 9, // [31:16] RCA
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cSdCmdSendCID = 10, // [31:16] RCA
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cSdCmdStopTrans = 12,
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cSdCmdSendStatus = 13, // [31:16] RCA
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cSdCmdReadSingleBlock = 17,
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cSdCmdWriteSingleBlock = 24,
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cSdCmdNextIsACMD = 55 // [31:16] RCA
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} SDCommandId;
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typedef enum {
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cSdCmdACMD41 = 41,
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cSdCmdSendSCR = 51,
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cSdCmdSetBusWidth = 6
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} SDAppCommandId;
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const SDCommandArg cSdArgACMD41HCS = 'b01000000111111111000000000000000;
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typedef logic[5:0] SdCommandId;
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const logic cSdTransbitToHost = 0;
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class DefaultSdResponse extends SdBusTransToken;
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function new(SdCommandId id, SDCommandArg arg);
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this.transbit = cSdTransbitToHost;
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this.id = id;
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this.arg = arg;
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this.crc = calcCrcOfToken();
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endfunction
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endclass
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class SDCommandR7 extends DefaultSdResponse;
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function new(SDCommandArg arg);
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super.new(cSdCmdSendIfCond, arg);
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endfunction
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endclass
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class SDCommandR1 extends DefaultSdResponse;
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function new(int id, SdCardModelState state);
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super.new(id, state.get());
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endfunction
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endclass
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class SDCommandR3 extends DefaultSdResponse;
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function new(SDOCR ocr);
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super.new('b111111, ocr.get());
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this.crc = 'b111111;
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endfunction
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endclass
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class SDCommandR2 extends SdBusTrans;
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local SDCID cid;
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function new();
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this.cid = new();
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assert(this.cid.randomize());
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endfunction
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virtual function SdBusTransData packToData();
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SdBusTransData data;
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SdCommandId id = 'b111111;
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cidreg_t creg = cid.get();
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data = { >> {cSdTransbitToHost, id, creg}};
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return data;
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endfunction
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virtual function void unpackFromData(ref SdBusTransData data);
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Logger log = new();
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log.error("SDCommandR2::unpackFromData not implemented");
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endfunction
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endclass
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function SDCommandArg getArgFromRcaAndState(RCA_t rca, SdCardModelState state);
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SDCommandArg arg;
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arg[31:16] = rca;
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arg[15] = state.ComCrcError;
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arg[14] = state.IllegalCommand;
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arg[13] = state.Error;
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arg[12:9] = state.state;
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arg[8] = state.ReadyForData;
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arg[7:6] = 0;
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arg[5] = state.AppCmd;
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arg[4] = 0;
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arg[3] = state.AkeSeqError;
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arg[2:0] = 0;
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return arg;
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endfunction
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class SDCommandR6 extends DefaultSdResponse;
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function new(RCA_t rca, SdCardModelState state);
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super.new(cSdCmdSendRelAdr, getArgFromRcaAndState(rca, state));
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endfunction
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endclass
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`endif
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