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‎LICENSE‎

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‎Prebuild/Prebuild-3.0.0/GreedyFTL-2.5.0/fmc_driver.c‎

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//////////////////////////////////////////////////////////////////////////////////
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// fmc_driver.c for Cosmos OpenSSD
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// Copyright (c) 2016 Hanyang University ENC Lab.
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// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
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// Kibin Park <kbpark@enc.hanyang.ac.kr>
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// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
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//
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// This file is part of Cosmos OpenSSD.
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//
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// Cosmos OpenSSD is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// Cosmos OpenSSD is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Cosmos OpenSSD; see the file COPYING.
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// If not, see <http://www.gnu.org/licenses/>.
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//////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////
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// Company: ENC Lab. <http://enc.hanyang.ac.kr>
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// Engineer: Kibin Park <kbpark@enc.hanyang.ac.kr>
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//
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// Project Name: Cosmos OpenSSD
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// Design Name: Cosmos Firmware
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// Module Name: Low Level Driver
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// File Name: fmc_driver.c
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//
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// Version: v1.1.0
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//
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// Description:
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// - low level driver for V2 flash memory controller
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//////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////
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// Revision History:
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//
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// * v1.1.0
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// - V2FReadPageTransferAsync needs additional input (rowAddress)
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//
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// * v1.0.0
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// - First draft
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//////////////////////////////////////////////////////////////////////////////////
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#include "fmc_driver.h"
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unsigned int __attribute__((optimize("O0"))) V2FIsControllerBusy(V2FMCRegisters* dev)
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{
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volatile unsigned int channelBusy = *((volatile unsigned int*)&(dev->channelBusy));
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return channelBusy;
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}
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void __attribute__((optimize("O0"))) V2FResetSync(V2FMCRegisters* dev, int way)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_Reset;
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while (V2FIsControllerBusy(dev));
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}
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void __attribute__((optimize("O0"))) V2FSetFeaturesSync(V2FMCRegisters* dev, int way, unsigned int feature0x02, unsigned int feature0x10, unsigned int feature0x01, unsigned int payLoadAddr)
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{
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unsigned int* payload = (unsigned int*)payLoadAddr;
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payload[0] = feature0x02;
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payload[1] = feature0x10;
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payload[2] = feature0x01;
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->userData)) = (unsigned int)payload;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_SetFeatures;
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while (V2FIsControllerBusy(dev));
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}
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void __attribute__((optimize("O0"))) V2FGetFeaturesSync(V2FMCRegisters* dev, int way, unsigned int* feature0x01, unsigned int* feature0x02, unsigned int* feature0x10, unsigned int* feature0x30)
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{
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volatile unsigned int buffer[4] = {0};
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volatile unsigned int completion = 0;
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->userData)) = (unsigned int)buffer;
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*((volatile unsigned int*)&(dev->completionAddress)) = (unsigned int)&completion;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_GetFeatures;
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while (V2FIsControllerBusy(dev));
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while (!(completion & 1));
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*feature0x01 = buffer[0];
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*feature0x02 = buffer[1];
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*feature0x10 = buffer[2];
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*feature0x30 = buffer[3];
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}
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void __attribute__((optimize("O0"))) V2FReadPageTriggerAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->rowAddress)) = rowAddress;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_ReadPageTrigger;
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}
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void __attribute__((optimize("O0"))) V2FReadPageTransferAsync(V2FMCRegisters* dev, int way, void* pageDataBuffer, void* spareDataBuffer, unsigned int* errorInformation, unsigned int* completion, unsigned int rowAddress)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->dataAddress)) = (unsigned int)pageDataBuffer;
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*((volatile unsigned int*)&(dev->spareAddress)) = (unsigned int)spareDataBuffer;
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*((volatile unsigned int*)&(dev->errorCountAddress)) = (unsigned int)errorInformation;
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*((volatile unsigned int*)&(dev->completionAddress)) = (unsigned int)completion;
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*((volatile unsigned int*)&(dev->rowAddress)) = rowAddress;
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*completion = 0;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_ReadPageTransfer;
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}
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void __attribute__((optimize("O0"))) V2FReadPageTransferRawAsync(V2FMCRegisters* dev, int way, void* pageDataBuffer, unsigned int* completion)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->dataAddress)) = (unsigned int)pageDataBuffer;
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*((volatile unsigned int*)&(dev->completionAddress)) = (unsigned int)completion;
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*completion = 0;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_ReadPageTransferRaw;
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}
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void __attribute__((optimize("O0"))) V2FProgramPageAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress, void* pageDataBuffer, void* spareDataBuffer)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->rowAddress)) = rowAddress;
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*((volatile unsigned int*)&(dev->dataAddress)) = (unsigned int)pageDataBuffer;
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*((volatile unsigned int*)&(dev->spareAddress)) = (unsigned int)spareDataBuffer;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_ProgramPage;
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}
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void __attribute__((optimize("O0"))) V2FEraseBlockAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->rowAddress)) = rowAddress;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_BlockErase;
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}
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void __attribute__((optimize("O0"))) V2FStatusCheckAsync(V2FMCRegisters* dev, int way, unsigned int* statusReport)
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{
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*((volatile unsigned int*)&(dev->waySelection)) = way;
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*((volatile unsigned int*)&(dev->completionAddress)) = (unsigned int)statusReport;
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*statusReport = 0;
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*((volatile unsigned int*)&(dev->cmdSelect)) = V2FCommand_StatusCheck;
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}
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unsigned int __attribute__((optimize("O0"))) V2FStatusCheckSync(V2FMCRegisters* dev, int way)
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{
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volatile unsigned int status;
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V2FStatusCheckAsync(dev, way, (unsigned int*)&status);
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while (!(status & 1));
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return (status >> 1);
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}
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unsigned int __attribute__((optimize("O0"))) V2FReadyBusyAsync(V2FMCRegisters* dev)
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{
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volatile unsigned int readyBusy = dev->readyBusy;
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return readyBusy;
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}
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‎Prebuild/Prebuild-3.0.0/GreedyFTL-2.5.0/fmc_driver.h‎

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//////////////////////////////////////////////////////////////////////////////////
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// fmc_driver.h for Cosmos OpenSSD
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// Copyright (c) 2016 Hanyang University ENC Lab.
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// Contributed by Yong Ho Song <yhsong@enc.hanyang.ac.kr>
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// Kibin Park <kbpark@enc.hanyang.ac.kr>
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// Jaewook Kwak <jwkwak@enc.hanyang.ac.kr>
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//
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// This file is part of Cosmos OpenSSD.
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//
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// Cosmos OpenSSD is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// Cosmos OpenSSD is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Cosmos OpenSSD; see the file COPYING.
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// If not, see <http://www.gnu.org/licenses/>.
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//////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////
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// Company: ENC Lab. <http://enc.hanyang.ac.kr>
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// Engineer: Kibin Park <kbpark@enc.hanyang.ac.kr>
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//
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// Project Name: Cosmos OpenSSD
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// Design Name: Cosmos Firmware
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// Module Name: Low Level Driver
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// File Name: fmc_driver.h
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//
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// Version: v1.1.0
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//
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// Description:
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// - define parameters and data structure of the low level driver
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//////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////
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// Revision History:
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//
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// * v1.1.0
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// - V2FReadPageTransferAsync needs additional input (rowAddress)
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// - Opcode of some commands is modified
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// - LLSCommand_ReadRawPage is deleted
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//
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// * v1.0.0
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// - First draft
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//////////////////////////////////////////////////////////////////////////////////
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#ifndef FMC_DRIVER_H_
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#define FMC_DRIVER_H_
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typedef struct
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{
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unsigned int cmdSelect;
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unsigned int rowAddress;
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unsigned int userData;
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unsigned int dataAddress;
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unsigned int spareAddress;
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unsigned int errorCountAddress;
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unsigned int completionAddress;
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unsigned int waySelection;
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unsigned int channelBusy;
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unsigned int readyBusy;
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} V2FMCRegisters;
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#define V2FCommand_NOP 0
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#define V2FCommand_Reset 1
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#define V2FCommand_SetFeatures 6
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#define V2FCommand_GetFeatures 46
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#define V2FCommand_ReadPageTrigger 13
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#define V2FCommand_ReadPageTransfer 18
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#define V2FCommand_ProgramPage 28
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#define V2FCommand_BlockErase 37
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#define V2FCommand_StatusCheck 41
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#define V2FCommand_ReadPageTransferRaw 55
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unsigned int V2FIsControllerBusy(V2FMCRegisters* dev);
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void V2FResetSync(V2FMCRegisters* dev, int way);
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void V2FSetFeaturesSync(V2FMCRegisters* dev, int way, unsigned int feature0x02, unsigned int feature0x10, unsigned int feature0x01, unsigned int payLoadAddr);
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void V2FGetFeaturesSync(V2FMCRegisters* dev, int way, unsigned int* feature0x01, unsigned int* feature0x02, unsigned int* feature0x10, unsigned int* feature0x30);
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void V2FReadPageTriggerAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress);
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void V2FReadPageTransferAsync(V2FMCRegisters* dev, int way, void* pageDataBuffer, void* spareDataBuffer, unsigned int* errorInformation, unsigned int* completion, unsigned int rowAddress);
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void V2FReadPageTransferRawAsync(V2FMCRegisters* dev, int way, void* pageDataBuffer, unsigned int* completion);
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void V2FProgramPageAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress, void* pageDataBuffer, void* spareDataBuffer);
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void V2FEraseBlockAsync(V2FMCRegisters* dev, int way, unsigned int rowAddress);
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void V2FStatusCheckAsync(V2FMCRegisters* dev, int way, unsigned int* statusReport);
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unsigned int V2FStatusCheckSync(V2FMCRegisters* dev, int way);
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unsigned int V2FReadyBusyAsync(V2FMCRegisters* dev);
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#define V2FCrcValid(errorInformation) !!((errorInformation) & (0x10000000))
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#define V2FSpareChunkValid(errorInformation) !!((errorInformation) & (0x01000000))
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#define V2FPageChunkValid(errorInformation) ((errorInformation) == 0xffffffff)
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#define V2FWorstChunkErrorCount(errorInformation) (((errorInformation) & 0x00ff0000) >> 16)
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#define V2FEnterToggleMode(dev, way) V2FSetFeaturesSync(dev, way, 0x00000006, 0x00000008, 0x00000020, PAY_LOAD_ADDR)
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#endif /* FMC_DRIVER_H_ */

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