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/*
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/* atadevice.h -- ATA Device code simulation
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atadevice.h -- ATA Device code simulation
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Copyright (C) 2002 Richard Herveille, rherveille@opencores.org
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Copyright (C) 2002 Richard Herveille, rherveille@opencores.org
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Copyright (C) 2008 Embecosm Limited
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This file is part of OpenRISC 1000 Architectural Simulator
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This program is free software; you can redistribute it and/or modify
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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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 2 of the License, or
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This program is free software; you can redistribute it and/or modify it
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(at your option) any later version
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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This program is distributed in the hope that it will be useful,
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any later version.
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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. See the
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This program is distributed in the hope that it will be useful, but WITHOUT
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GNU General Public License for more details.
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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You should have received a copy of the GNU General Public License
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more details.
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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You should have received a copy of the GNU General Public License along
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*/
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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/*
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/*
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* Definitions for the Opencores ATA Controller Core, Device model
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* Definitions for the Opencores ATA Controller Core, Device model
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*/
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*/
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#ifndef __OR1KSIM_ATAD_H
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#ifndef ATADEVICE__H
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#define __OR1KSIM_ATAD_H
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#define ATADEVICE__H
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/* Autoconf and/or portability configuration */
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#include "port.h"
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/* System includes */
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#include <stdio.h>
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#include <stdio.h>
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/* --- Register definitions --- */
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/* --- Register definitions --- */
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/* ----- ATA Registers */
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/* ----- ATA Registers */
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/* These are actually the memory locations where the ATA registers */
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/* These are actually the memory locations where the ATA registers */
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/* ---------------------------- */
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/* ---------------------------- */
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/* ----- Structs ----- */
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/* ----- Structs ----- */
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/* ---------------------------- */
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/* ---------------------------- */
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typedef struct ata_dev_s {
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struct ata_device
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{
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/******* Housekeeping *****************************************/
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/******* Housekeeping *****************************************/
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struct {
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struct
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{
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/* Pointer to host that device is attached to */
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/* Pointer to host that device is attached to */
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void *host;
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void *host;
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/* device number */
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/* device number */
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int dev;
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int dev;
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/* Current byte being read */
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/* Current byte being read */
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uint32_t lba;
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uint32_t lba;
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/* Number of sectors still needing to be read */
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/* Number of sectors still needing to be read */
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int nr_sect;
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int nr_sect;
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/* function to call when block of data has been transfered*/
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/* function to call when block of data has been transfered*/
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void (*end_t_func)(struct ata_dev_s *);
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void (*end_t_func) (struct ata_device *);
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} internals;
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} internals;
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/******* ATA Device Registers *********************************/
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/******* ATA Device Registers *********************************/
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struct {
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struct
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{
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uint8_t command;
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uint8_t command;
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uint8_t cylinder_low;
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uint8_t cylinder_low;
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uint8_t cylinder_high;
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uint8_t cylinder_high;
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uint8_t device_control;
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uint8_t device_control;
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uint8_t device_head;
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uint8_t device_head;
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uint16_t dataport_i;
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uint16_t dataport_i;
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} regs;
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} regs;
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/******** ata device output signals **************************/
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/******** ata device output signals **************************/
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struct {
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struct
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{
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int iordy;
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int iordy;
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int intrq;
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int intrq;
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int dmarq;
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int dmarq;
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int pdiagi, pdiago;
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int pdiagi, pdiago;
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int daspi, daspo;
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int daspi, daspo;
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} sigs;
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} sigs;
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/******** simulator settings **********************************/
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/******** simulator settings **********************************/
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struct {
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struct
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{
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char *file; /* Filename (if type == FILE) */
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char *file; /* Filename (if type == FILE) */
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FILE *stream; /* stream where the simulated device connects to*/
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FILE *stream; /* stream where the simulated device connects to*/
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int type; /* Simulate device using */
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int type; /* Simulate device using */
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/* NO_CONNECT: no device connected (dummy) */
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/* NO_CONNECT: no device connected (dummy) */
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/* FILE : a file */
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/* FILE : a file */
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char *firmware;
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char *firmware;
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unsigned int mwdma;
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unsigned int mwdma;
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unsigned int pio;
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unsigned int pio;
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} conf;
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} conf;
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} ata_device;
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};
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typedef struct{
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ata_device device[2];
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} ata_devices;
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struct ata_devices
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{
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struct ata_device device[2];
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};
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/* all devices */
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/* all devices */
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void ata_devices_init(ata_devices *devices);
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void ata_devices_init (struct ata_devices *devices);
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void ata_devices_hw_reset(ata_devices *devices, int reset_signal);
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void ata_devices_hw_reset (struct ata_devices *devices, int reset_signal);
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short ata_devices_read(ata_devices *devices, char adr);
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short ata_devices_read (struct ata_devices *devices, char adr);
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void ata_devices_write(ata_devices *devices, char adr, short value);
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void ata_devices_write (struct ata_devices *devices, char adr, short value);
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static void ata_device_do_control_register(ata_device *device);
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#endif /* ATADEVICE__H */
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static void ata_device_do_command_register(ata_device *device);
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#endif
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No newline at end of file
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No newline at end of file
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