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jeremybenn |
/* atadevice_cmdi.c -- ATA Device simulation
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Command interpreter for the simulated harddisk.
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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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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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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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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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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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more details.
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You should have received a copy of the GNU General Public License along
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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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/* For fun, count the number of FIXMEs :-( */
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/* Autoconf and/or portability configuration */
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#include "config.h"
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/* Package includes */
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#include "atadevice-cmdi.h"
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#include "atahost.h"
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#include "atacmd.h"
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#include "sched.h"
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/* FIXME: If device0 is not selected and then an interrupt occurs and
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* then it is selected, the interrupt should be delivered, but I just drop it
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* (same goes for device 1). */
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static void
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ata_cmd_complete (void *dat)
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{
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struct ata_device *dev = dat;
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dev->regs.status &= ~ATA_SR_BSY;
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if (dev->regs.device_control & ATA_DCR_IEN)
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return;
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if ((dev->regs.device_head & ATA_DHR_DEV) != dev->internals.dev)
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return;
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if (dev->sigs.intrq)
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return;
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dev->sigs.intrq = 1;
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ata_int (dev->internals.host);
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}
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static void
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ata_set_sect (struct ata_device *dev, uint32_t sect)
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{
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uint16_t cyl;
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dev->regs.device_head &= ~ATA_DHR_H;
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if (dev->regs.device_head & ATA_DHR_LBA)
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{
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dev->regs.sector_number = sect & 0xff;
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dev->regs.cylinder_low = (sect >> 8) & 0xff;
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dev->regs.cylinder_high = (sect >> 16) & 0xff;
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dev->regs.device_head |= (sect >> 24) & 0xf;
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}
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else
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{
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cyl = sect / (dev->conf.heads * dev->conf.sectors);
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dev->regs.cylinder_low = cyl & 0xff;
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dev->regs.cylinder_high = (cyl >> 8) & 0xff;
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cyl = sect % (dev->conf.heads * dev->conf.sectors);
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dev->regs.sector_number = (cyl % dev->conf.sectors) + 1;
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dev->regs.device_head |= (cyl / dev->conf.sectors) & 0xf;
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}
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}
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/* Returns the concatenated lba address from the values in the addr regs */
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static uint32_t
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ata_calc_lba (struct ata_device *dev)
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{
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uint32_t lba;
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/* check if we are using CHS or LBA translation, fill in the bits */
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if (dev->regs.device_head & ATA_DHR_LBA)
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{
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/* we are using LBA translation */
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lba = (dev->regs.device_head & ATA_DHR_H) << 24 |
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(dev->regs.cylinder_high) << 16 |
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(dev->regs.cylinder_low) << 8 | dev->regs.sector_number;
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}
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else
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{
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/* we are using CHS translation, calculate lba address */
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lba = (dev->regs.cylinder_high << 16) | dev->regs.cylinder_low;
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lba *= dev->internals.heads_per_cylinder;
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lba += dev->regs.device_head & ATA_DHR_H;
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lba *= dev->internals.sectors_per_track;
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lba += dev->regs.sector_number;
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lba -= 1;
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}
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return lba;
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}
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/* Reads a sector from the device */
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static void
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ata_read_sect (struct ata_device *dev)
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{
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if (!dev->internals.nr_sect)
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return;
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/* set the file-positon pointer to the start of the sector */
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fseek (dev->conf.stream, dev->internals.lba, SEEK_SET);
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/* get the bytes from the stream */
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jeremybenn |
if (1 != fread (dev->internals.dbuf, BYTES_PER_SECTOR, 1, dev->conf.stream))
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{
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printf ("WARNING atadevice read short\n");
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}
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jeremybenn |
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/* set status register bits */
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dev->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
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/* reset the databuffer */
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dev->internals.dbuf_cnt = BYTES_PER_SECTOR / 2; //Words, not bytes
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dev->internals.dbuf_ptr = dev->internals.dbuf;
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dev->internals.lba += BYTES_PER_SECTOR;
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dev->internals.nr_sect--;
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SCHED_ADD (ata_cmd_complete, dev, 400000);
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}
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/* Writes a sector to the device */
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static void
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ata_write_sect (struct ata_device *dev)
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{
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if (!dev->internals.nr_sect)
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{
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dev->regs.status = ATA_SR_DRDY;
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return;
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}
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/* set the file-positon pointer to the start of the sector */
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fseek (dev->conf.stream, dev->internals.lba, SEEK_SET);
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/* get the bytes from the stream */
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fwrite (dev->internals.dbuf, BYTES_PER_SECTOR, 1, dev->conf.stream);
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/* set status register bits */
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dev->regs.status = ATA_SR_DRDY | ATA_SR_DRQ | ATA_SR_DSC | ATA_SR_BSY;
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/* reset the databuffer */
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dev->internals.dbuf_cnt = BYTES_PER_SECTOR / 2; //Words, not bytes
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dev->internals.dbuf_ptr = dev->internals.dbuf;
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dev->internals.lba += BYTES_PER_SECTOR;
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if (!--dev->internals.nr_sect)
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dev->regs.status = ATA_SR_DRDY | ATA_SR_DSC | ATA_SR_BSY;
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SCHED_ADD (ata_cmd_complete, dev, 40000);
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}
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/*
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A T A _ S E T _ D E V I C E _ S I G N A T U R E
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called whenever a command needs to signal the device type (packet, non-packet)
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*/
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static void
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ata_set_device_signature (struct ata_device *device, int packet)
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{
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if (packet)
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{
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/* place PACKET Command feature set signature in register block */
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device->regs.sector_count = 0x01;
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device->regs.sector_number = 0x01;
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device->regs.cylinder_low = 0x14;
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device->regs.cylinder_high = 0xEB;
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}
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else
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{
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/* place NON_PACKET Command feature set signature in register block */
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device->regs.sector_count = 0x01;
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device->regs.sector_number = 0x01;
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device->regs.cylinder_low = 0x00;
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device->regs.cylinder_high = 0x00;
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device->regs.device_head = 0x00;
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}
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}
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/*
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A T A _ E X E C U T E _ D E V I C E _ D I A G N O S T I C S
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*/
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void
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ata_execute_device_diagnostics_cmd (struct ata_device *device)
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{
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/* clear SRST bit, if set */
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device->regs.device_control &= ~ATA_DCR_RST;
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/* content of features register is undefined */
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/*
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set device error register
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Device0: 0x01 = Device0 passed & Device1 passed/not present
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Device1: 0x01 = Device1 passed
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*/
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device->regs.error = 0x01;
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/* something about DASP- and error_register_bit7 */
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/* if device1 is not present or if device1 is present and passed */
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/* diagnostics, than bit7 should be cleared. */
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/* This means we always clear bit7 */
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/* check if device implements packet protocol */
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if (device->conf.packet)
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{
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/* place PACKET command feature set signature in register block */
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ata_set_device_signature (device, 1);
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device->regs.status &= 0xf8;
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if (device->regs.command == DEVICE_RESET)
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device->regs.device_head = device->regs.device_head & ATA_DHR_LBA;
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else
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device->regs.device_head = 0x00;
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}
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else
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{
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/* place NON_PACKET Command feature set signature in register block */
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ata_set_device_signature (device, 0);
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device->regs.status &= 0x82;
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}
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/* we passed diagnostics, so set the PDIAG-line */
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device->sigs.pdiago = 1;
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}
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/*
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A T A _ D E V I C E _ R E S E T
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*/
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static void
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ata_device_reset_cmd (struct ata_device *device)
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{
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if (!device->conf.packet)
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{
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fprintf( stderr, "Warning: executing DEVICE_RESET on non-packet "
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"device\n");
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}
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ata_execute_device_diagnostics_cmd (device);
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}
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/*
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A T A _ I D E N T I F Y _ D E V I C E
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*/
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static void
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ata_identify_device_cmd (struct ata_device *device)
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{
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unsigned char *chksum_buf, chksum;
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unsigned short *buf;
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int n;
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unsigned int tmp;
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/* reset databuffer */
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device->internals.dbuf_cnt = 256;
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device->internals.dbuf_ptr = device->internals.dbuf;
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device->internals.end_t_func = NULL;
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buf = device->internals.dbuf;
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chksum_buf = (unsigned char *) buf;
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/*
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if number_of_available_sectors (==device->size / BYTES_PER_SECTOR) < 16,514,064 then
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support CHS translation where:
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LBA = ( ((cylinder_number*heads_per_cylinder) +head_number) *sectors_per_track ) +sector_number -1;
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Cylinders : 1-255 (or max.cylinders)
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Heads : 0-15 (or max.heads )
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Sectors : 0-65535 (or max.sectors )
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*/
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/*
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1) Word 1 shall contain the number of user-addressable logical cylinders in the default CHS
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translation. If the content of words (61:60) is less than 16,514,064 then the content of word 1
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shall be greater than or equal to one and less than or equal to 65,535. If the content of words
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(61:60) is greater than or equal to 16,514,064 then the content of
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word 1 shall be equal to 16,383.
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2) Word 3 shall contain the number of user-addressable logical heads in the default CHS
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translation. The content of word 3 shall be greater than or equal to one and less than or equal to
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16. For compatibility with some BIOSs, the content of word 3 may be equal to 15 if the content of
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word 1 is greater than 8192.
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3) Word 6 shall contain the number of user-addressable logical sectors in the default CHS
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translation. The content of word 6 shall be greater than or equal to one and less than or equal to
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63.
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4) [(The content of word 1) * (the content of word 3) * (the content of word 6)] shall be less than or
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equal to 16,514,064
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5) Word 54 shall contain the number of user-addressable logical cylinders in the current CHS
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translation. The content of word 54 shall be greater than or equal to one and less than or
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equal to 65,535. After power-on of after a hardware reset the content of word 54 shall be equal to
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the content of word 1.
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6) Word 55 shall contain the number of user-addressable logical heads in the current CHS
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translation. The content of word 55 shall be greater than or equal to one and less than or equal
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to 16. After power-on or after a hardware reset the content of word 55 shall equal the content of
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word 3.
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7) Word 56 shall contain the user-addressable logical sectors in the current CHS
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translation. The content of word 56 should be equal to 63 for compatibility with all BIOSs.
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However, the content of word 56 may be greater than or equal to one and less than or equal to
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255. At power-on or after a hardware reset the content of word 56 shall equal the content of
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word 6.
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8) Words (58:57) shall contain the user-addressable capacity in sectors for the current CHS
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translation. The content of words (58:57) shall equal [(the content of word 54) * (the content of
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word 55) * (the content of word 56)] The content of words (58:57) shall be less than or equal to
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16,514,064. The content of words (58:57) shall be less than or equal to the content of words
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(61:60).
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9) The content of words 54, 55, 56, and (58:57) may be affected by the host issuing an INITIALIZE
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DEVICE PARAMETERS command.
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10)If the content of words (61:60) is greater than 16,514,064 and if the device does not support CHS
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addressing, then the content of words 1, 3, 6, 54, 55, 56, and (58:57) shall equal zero. If the
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content of word 1, word 3, or word 6 equals zero, then the content of words 1, 3, 6, 54, 55, 56,
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and (58:57) shall equal zero.
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11)Words (61:60) shall contain the total number of user-addressable sectors. The content of words
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(61:60) shall be greater than or equal to one and less than or equal to 268,435,456.
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339 |
|
|
12)The content of words 1, 54, (58:57), and (61:60) may be affected by the host issuing a SET MAX
|
340 |
|
|
ADDRESS command.
|
341 |
|
|
*/
|
342 |
|
|
|
343 |
|
|
|
344 |
|
|
/* check if this is a NON-PACKET device */
|
345 |
|
|
if (device->conf.packet)
|
346 |
|
|
{
|
347 |
|
|
/*
|
348 |
|
|
This is a PACKET device.
|
349 |
|
|
Respond by placing PACKET Command feature set signature in block registers.
|
350 |
|
|
Abort command.
|
351 |
|
|
*/
|
352 |
|
|
|
353 |
|
|
ata_set_device_signature (device, 1);
|
354 |
|
|
device->regs.status = ATA_SR_ERR;
|
355 |
|
|
device->regs.error = ATA_ERR_ABT;
|
356 |
|
|
}
|
357 |
|
|
else
|
358 |
|
|
{
|
359 |
|
|
/* start filling buffer */
|
360 |
|
|
|
361 |
|
|
/*
|
362 |
|
|
word 0: General configuration
|
363 |
|
|
15 : 0 = ATA device
|
364 |
|
|
14-8: retired
|
365 |
|
|
7 : 1 = removable media device (not set)
|
366 |
|
|
6 : 1 = not-removable controller and/or device (set)
|
367 |
|
|
5-0 : retired and/or always set to zero
|
368 |
|
|
*/
|
369 |
|
|
*buf++ = 0x0040;
|
370 |
|
|
|
371 |
|
|
/*
|
372 |
|
|
word 1: Number of logical cylinders
|
373 |
|
|
|
374 |
|
|
>=1, <= 65535
|
375 |
|
|
*/
|
376 |
|
|
if ((tmp = device->conf.size_sect) >= 16514064)
|
377 |
|
|
*buf++ = 16383;
|
378 |
|
|
else
|
379 |
|
|
if ((tmp /= (device->conf.heads + 1) * device->conf.sectors) > 65535)
|
380 |
|
|
*buf++ = 65535;
|
381 |
|
|
else
|
382 |
|
|
*buf++ = tmp;
|
383 |
|
|
|
384 |
|
|
/*
|
385 |
|
|
word 2: Specific configuration
|
386 |
|
|
|
387 |
|
|
0x37c8: Device requires SET_FEATURES subcommand to spinup after power-on
|
388 |
|
|
and IDENTIFY_DEVICE response is incomplete
|
389 |
|
|
0x738c: Device requires SET_FEATURES subcommand to spinup after power-on
|
390 |
|
|
and IDENTIFY_DEVICE response is complete
|
391 |
|
|
0x8c73: Device does not require SET_FEATURES subcommand to spinup after power-on
|
392 |
|
|
and IDENTIFY_DEVICE response is incomplete
|
393 |
|
|
0xc837: Device does not require SET_FEATURES subcommand to spinup after power-on
|
394 |
|
|
and IDENTIFY_DEVICE response is complete
|
395 |
|
|
|
396 |
|
|
pick-one
|
397 |
|
|
*/
|
398 |
|
|
*buf++ = 0xc837;
|
399 |
|
|
|
400 |
|
|
/*
|
401 |
|
|
word 3: Number of logical heads
|
402 |
|
|
|
403 |
|
|
>= 1, <= 16
|
404 |
|
|
|
405 |
|
|
set to 15 if word1 > 8192 (BIOS compatibility)
|
406 |
|
|
*/
|
407 |
|
|
*buf++ = device->conf.heads;
|
408 |
|
|
|
409 |
|
|
/*
|
410 |
|
|
word 5-4: retired
|
411 |
|
|
*/
|
412 |
|
|
buf += 2;
|
413 |
|
|
|
414 |
|
|
/*
|
415 |
|
|
word 6: Number of logical sectors per logical track
|
416 |
|
|
|
417 |
|
|
>= 1, <= 63
|
418 |
|
|
*/
|
419 |
|
|
*buf++ = device->conf.sectors;
|
420 |
|
|
|
421 |
|
|
/*
|
422 |
|
|
word 8-7: Reserved by the CompactFLASH association
|
423 |
|
|
*/
|
424 |
|
|
buf += 2;
|
425 |
|
|
|
426 |
|
|
/*
|
427 |
|
|
word 9: retired
|
428 |
|
|
*/
|
429 |
|
|
buf++;
|
430 |
|
|
|
431 |
|
|
/*
|
432 |
|
|
word 19-10: Serial number (ASCII)
|
433 |
|
|
*/
|
434 |
|
|
/* " www.opencores.org " */
|
435 |
|
|
*buf++ = (' ' << 8) | 'w';
|
436 |
|
|
*buf++ = ('w' << 8) | 'w';
|
437 |
|
|
*buf++ = ('.' << 8) | 'o';
|
438 |
|
|
*buf++ = ('p' << 8) | 'e';
|
439 |
|
|
*buf++ = ('n' << 8) | 'c';
|
440 |
|
|
*buf++ = ('o' << 8) | 'r';
|
441 |
|
|
*buf++ = ('e' << 8) | 's';
|
442 |
|
|
*buf++ = ('.' << 8) | 'o';
|
443 |
|
|
*buf++ = ('r' << 8) | 'g';
|
444 |
|
|
*buf++ = (' ' << 8) | ' ';
|
445 |
|
|
|
446 |
|
|
/*
|
447 |
|
|
word 22 : obsolete
|
448 |
|
|
word 21-20: retired
|
449 |
|
|
*/
|
450 |
|
|
buf += 3;
|
451 |
|
|
|
452 |
|
|
/*
|
453 |
|
|
word 26-23: Firmware revision
|
454 |
|
|
*/
|
455 |
|
|
strncpy ((char *) buf, device->conf.firmware, 8);
|
456 |
|
|
buf += 4;
|
457 |
|
|
|
458 |
|
|
/*
|
459 |
|
|
word 46-27: Model number
|
460 |
|
|
*/
|
461 |
|
|
/* " ata device model (C)Richard Herveille " */
|
462 |
|
|
*buf++ = (' ' << 8) | 'a';
|
463 |
|
|
*buf++ = ('t' << 8) | 'a';
|
464 |
|
|
*buf++ = (' ' << 8) | 'd';
|
465 |
|
|
*buf++ = ('e' << 8) | 'v';
|
466 |
|
|
*buf++ = ('i' << 8) | 'c';
|
467 |
|
|
*buf++ = ('e' << 8) | ' ';
|
468 |
|
|
*buf++ = ('m' << 8) | 'o';
|
469 |
|
|
*buf++ = ('d' << 8) | 'e';
|
470 |
|
|
*buf++ = ('l' << 8) | ' ';
|
471 |
|
|
*buf++ = (' ' << 8) | '(';
|
472 |
|
|
*buf++ = ('C' << 8) | ')';
|
473 |
|
|
*buf++ = ('R' << 8) | 'i';
|
474 |
|
|
*buf++ = ('c' << 8) | 'h';
|
475 |
|
|
*buf++ = ('a' << 8) | 'r';
|
476 |
|
|
*buf++ = ('d' << 8) | ' ';
|
477 |
|
|
*buf++ = ('H' << 8) | 'e';
|
478 |
|
|
*buf++ = ('r' << 8) | 'v';
|
479 |
|
|
*buf++ = ('e' << 8) | 'i';
|
480 |
|
|
*buf++ = ('l' << 8) | 'l';
|
481 |
|
|
*buf++ = ('e' << 8) | ' ';
|
482 |
|
|
|
483 |
|
|
/*
|
484 |
|
|
word 47:
|
485 |
|
|
15-8: 0x80
|
486 |
|
|
7-0: 0x00 reserved
|
487 |
|
|
0x01-0xff maximum number of sectors to be transfered
|
488 |
|
|
per interrupt on a READ/WRITE MULTIPLE command
|
489 |
|
|
*/
|
490 |
|
|
*buf++ = 0x8001;
|
491 |
|
|
|
492 |
|
|
/*
|
493 |
|
|
word 48: reserved
|
494 |
|
|
*/
|
495 |
|
|
buf++;
|
496 |
|
|
|
497 |
|
|
/*
|
498 |
|
|
word 49: Capabilities
|
499 |
|
|
15-14: reserved for IDENTIFY PACKET DEVICE
|
500 |
|
|
13 : 1=standby timers are supported
|
501 |
|
|
0=standby timers are handled by the device FIXME
|
502 |
|
|
12 : reserved for IDENTIFY PACKET DEVICE
|
503 |
|
|
11 : 1=IORDY supported
|
504 |
|
|
0=IORDY may be supported
|
505 |
|
|
10 : 1=IORDY may be disabled
|
506 |
|
|
9 : set to one
|
507 |
|
|
8 : set to one
|
508 |
|
|
7-0 : retired
|
509 |
|
|
*/
|
510 |
|
|
*buf++ = 0x0f00;
|
511 |
|
|
|
512 |
|
|
/*
|
513 |
|
|
word 50: Capabilities
|
514 |
|
|
15 : always cleared to zero
|
515 |
|
|
14 : always set to one
|
516 |
|
|
13-1: reserved
|
517 |
|
|
|
518 |
|
|
*/
|
519 |
|
|
*buf++ = 0x4000;
|
520 |
|
|
|
521 |
|
|
/*
|
522 |
|
|
word 52-51: obsolete
|
523 |
|
|
*/
|
524 |
|
|
buf += 2;
|
525 |
|
|
|
526 |
|
|
/*
|
527 |
|
|
word 53:
|
528 |
|
|
15-3: Reserved
|
529 |
|
|
2 : 1=value in word 88 is valid
|
530 |
|
|
0=value in word 88 is not valid
|
531 |
|
|
1 : 1=value in word 64-70 is valid
|
532 |
|
|
0=value in word 64-70 is not valid
|
533 |
|
|
|
534 |
|
|
0=value in word 54-58 is not valid
|
535 |
|
|
*/
|
536 |
|
|
*buf++ = 0x0007;
|
537 |
|
|
|
538 |
|
|
|
539 |
|
|
/*
|
540 |
|
|
word 54: number of current logical cylinders (0-65535)
|
541 |
|
|
*/
|
542 |
|
|
if ((tmp = device->conf.size_sect) > 16514064)
|
543 |
|
|
tmp = 16514064;
|
544 |
|
|
|
545 |
|
|
tmp /= (device->internals.heads_per_cylinder +
|
546 |
|
|
1) * (device->internals.sectors_per_track);
|
547 |
|
|
if (tmp > 65535)
|
548 |
|
|
*buf++ = 65535;
|
549 |
|
|
else
|
550 |
|
|
*buf++ = tmp;
|
551 |
|
|
|
552 |
|
|
/*
|
553 |
|
|
word 55: number of current logical heads, (0-15)
|
554 |
|
|
*/
|
555 |
|
|
*buf++ = device->internals.heads_per_cylinder + 1;
|
556 |
|
|
|
557 |
|
|
/*
|
558 |
|
|
word 56: number of current logical sectors per track (1-255)
|
559 |
|
|
*/
|
560 |
|
|
*buf++ = device->internals.sectors_per_track;
|
561 |
|
|
|
562 |
|
|
/*
|
563 |
|
|
word 58-57: current capacity in sectors
|
564 |
|
|
*/
|
565 |
|
|
tmp = *(buf - 3) * *(buf - 2) * *(buf - 1);
|
566 |
|
|
*buf++ = tmp >> 16;
|
567 |
|
|
*buf++ = tmp & 0xffff;
|
568 |
|
|
|
569 |
|
|
/*
|
570 |
|
|
word 59:
|
571 |
|
|
15-9: reserved
|
572 |
|
|
8 : 1=multiple sector setting is valid
|
573 |
|
|
7-0 : current setting for number of sectors to be transfered
|
574 |
|
|
per interrupt on a READ/WRITE MULTIPLE command
|
575 |
|
|
*/
|
576 |
|
|
*buf++ = 0x0001; // not really a FIXME
|
577 |
|
|
|
578 |
|
|
/*
|
579 |
|
|
word 60-61: Total number of user addressable sectors (LBA only)
|
580 |
|
|
*/
|
581 |
|
|
*buf++ = device->conf.size_sect;
|
582 |
|
|
*buf++ = device->conf.size_sect >> 16;
|
583 |
|
|
|
584 |
|
|
/*
|
585 |
|
|
word 62: obsolete
|
586 |
|
|
*/
|
587 |
|
|
buf++;
|
588 |
|
|
|
589 |
|
|
/* FIXME
|
590 |
|
|
word 63: DMA settings
|
591 |
|
|
15-11: Reserved
|
592 |
|
|
10 : 1=Multiword DMA Mode 2 is selected
|
593 |
|
|
0=Multiword DMA Mode 2 is not selected
|
594 |
|
|
9 : 1=Multiword DMA Mode 1 is selected
|
595 |
|
|
0=Multiword DMA Mode 1 is not selected
|
596 |
|
|
8 : 1=Multiword DMA Mode 0 is selected
|
597 |
|
|
0=Multiword DMA Mode 0 is not selected
|
598 |
|
|
7-3 : Reserved
|
599 |
|
|
2 : Multiword DMA Mode 2 and below are supported
|
600 |
|
|
1 : Multiword DMA Mode 1 and below are supported
|
601 |
|
|
|
602 |
|
|
*/
|
603 |
|
|
*buf = 0;
|
604 |
|
|
if (device->conf.mwdma >= 0)
|
605 |
|
|
*buf |= 0x1;
|
606 |
|
|
if (device->conf.mwdma >= 1)
|
607 |
|
|
*buf |= 0x2;
|
608 |
|
|
if (device->conf.mwdma >= 2)
|
609 |
|
|
*buf |= 0x4;
|
610 |
|
|
|
611 |
|
|
buf++;
|
612 |
|
|
|
613 |
|
|
/*
|
614 |
|
|
word 64:
|
615 |
|
|
15-8: reserved
|
616 |
|
|
7-0: Advanced PIO modes supported
|
617 |
|
|
|
618 |
|
|
7-2: reserved
|
619 |
|
|
1 : PIO mode4 supported
|
620 |
|
|
|
621 |
|
|
*/
|
622 |
|
|
*buf = 0;
|
623 |
|
|
if (device->conf.pio >= 3)
|
624 |
|
|
*buf |= 0x1;
|
625 |
|
|
if (device->conf.pio >= 4)
|
626 |
|
|
*buf |= 0x2;
|
627 |
|
|
buf++;
|
628 |
|
|
|
629 |
|
|
/*
|
630 |
|
|
word 65: Minimum Multiword DMA transfer cycle time per word (nsec)
|
631 |
|
|
*/
|
632 |
|
|
*buf++ = MIN_MWDMA_CYCLE_TIME;
|
633 |
|
|
|
634 |
|
|
/*
|
635 |
|
|
word 66: Manufacturer's recommended Multiword DMA transfer cycle time per word (nsec)
|
636 |
|
|
*/
|
637 |
|
|
*buf++ = RECOMMENDED_MWDMA_CYCLE_TIME;
|
638 |
|
|
|
639 |
|
|
|
640 |
|
|
/*
|
641 |
|
|
word 67: Minimum PIO transfer cycle time per word (nsec), without IORDY flow control
|
642 |
|
|
*/
|
643 |
|
|
*buf++ = MIN_PIO_CYCLE_TIME_NO_IORDY;
|
644 |
|
|
|
645 |
|
|
/*
|
646 |
|
|
word 68: Minimum PIO transfer cycle time per word (nsec), with IORDY flow control
|
647 |
|
|
*/
|
648 |
|
|
*buf++ = MIN_PIO_CYCLE_TIME_IORDY;
|
649 |
|
|
|
650 |
|
|
/*
|
651 |
|
|
word 69-70: reserved for future command overlap and queueing
|
652 |
|
|
71-74: reserved for IDENTIFY PACKET DEVICE command
|
653 |
|
|
*/
|
654 |
|
|
buf += 6;
|
655 |
|
|
|
656 |
|
|
/*
|
657 |
|
|
word 75: Queue depth
|
658 |
|
|
15-5: reserved
|
659 |
|
|
4-0: queue depth -1
|
660 |
|
|
*/
|
661 |
|
|
*buf++ = SUPPORT_READ_WRITE_DMA_QUEUED ? QUEUE_DEPTH : 0x0000;
|
662 |
|
|
|
663 |
|
|
/*
|
664 |
|
|
word 76-79: reserved
|
665 |
|
|
*/
|
666 |
|
|
buf += 4;
|
667 |
|
|
|
668 |
|
|
/*
|
669 |
|
|
word 80: MAJOR ATA version
|
670 |
|
|
We simply report that we do not report a version
|
671 |
|
|
|
672 |
|
|
You can also set bits 5-2 to indicate compliancy to
|
673 |
|
|
ATA revisions 5-2 (1 & 0 are obsolete)
|
674 |
|
|
*/
|
675 |
|
|
*buf++ = 0x0000;
|
676 |
|
|
|
677 |
|
|
/*
|
678 |
|
|
word 81: MINOR ATA version
|
679 |
|
|
We report ATA/ATAPI-5 T13 1321D revision 3 (0x13)
|
680 |
|
|
*/
|
681 |
|
|
*buf++ = 0x0013;
|
682 |
|
|
|
683 |
|
|
/*
|
684 |
|
|
word 82: Command set supported
|
685 |
|
|
*/
|
686 |
|
|
*buf++ = 0 << 15 | /* obsolete */
|
687 |
|
|
SUPPORT_NOP_CMD << 14 | SUPPORT_READ_BUFFER_CMD << 13 | SUPPORT_WRITE_BUFFER_CMD << 12 | 0 << 11 | /* obsolete */
|
688 |
|
|
SUPPORT_HOST_PROTECTED_AREA << 10 | SUPPORT_DEVICE_RESET_CMD << 9 | SUPPORT_SERVICE_INTERRUPT << 8 | SUPPORT_RELEASE_INTERRUPT << 7 | SUPPORT_LOOKAHEAD << 6 | SUPPORT_WRITE_CACHE << 5 | 0 << 4 | /* cleared to zero */
|
689 |
|
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
690 |
|
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
691 |
|
|
SUPPORT_SECURITY_MODE << 1 | SUPPORT_SMART << 0;
|
692 |
|
|
|
693 |
|
|
/*
|
694 |
|
|
word 83: Command set supported
|
695 |
|
|
*/
|
696 |
|
|
*buf++ = 0 << 15 | /* cleared to zero */
|
697 |
|
|
1 << 14 | /* set to one */
|
698 |
|
|
|
699 |
|
|
SUPPORT_SET_MAX << 8 | 0 << 7 | /* reserved for */
|
700 |
|
|
/* project 1407DT */
|
701 |
|
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
702 |
|
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
703 |
|
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
704 |
|
|
SUPPORT_APM << 3 |
|
705 |
|
|
SUPPORT_CFA << 2 |
|
706 |
|
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 | SUPPORT_DOWNLOAD_MICROCODE << 0;
|
707 |
|
|
|
708 |
|
|
/*
|
709 |
|
|
word 84: Command set/feature supported
|
710 |
|
|
*/
|
711 |
|
|
*buf++ = 0 << 15 | /* cleared to zero */
|
712 |
|
|
1 << 14 /* set to one */
|
713 |
|
|
; /* 0-13 reserved */
|
714 |
|
|
|
715 |
|
|
/*
|
716 |
|
|
word 85: Command set enabled FIXME
|
717 |
|
|
*/
|
718 |
|
|
*buf++ = 0 << 15 | /* obsolete */
|
719 |
|
|
SUPPORT_NOP_CMD << 14 | SUPPORT_READ_BUFFER_CMD << 13 | SUPPORT_WRITE_BUFFER_CMD << 12 | 0 << 11 | /* obsolete */
|
720 |
|
|
SUPPORT_HOST_PROTECTED_AREA << 10 | SUPPORT_DEVICE_RESET_CMD << 9 | SUPPORT_SERVICE_INTERRUPT << 8 | SUPPORT_RELEASE_INTERRUPT << 7 | SUPPORT_LOOKAHEAD << 6 | SUPPORT_WRITE_CACHE << 5 | 0 << 4 | /* cleared to zero */
|
721 |
|
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
722 |
|
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
723 |
|
|
SUPPORT_SECURITY_MODE << 1 | SUPPORT_SMART << 0;
|
724 |
|
|
|
725 |
|
|
/*
|
726 |
|
|
word 86: Command set enables
|
727 |
|
|
*/
|
728 |
|
|
*buf++ = 0 << 9 | /* 15-9 reserved */
|
729 |
|
|
SUPPORT_SET_MAX << 8 | 0 << 7 | /* reserved for */
|
730 |
|
|
/* project 1407DT */
|
731 |
|
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
732 |
|
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
733 |
|
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
734 |
|
|
SUPPORT_APM << 3 |
|
735 |
|
|
SUPPORT_CFA << 2 |
|
736 |
|
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 | SUPPORT_DOWNLOAD_MICROCODE << 0;
|
737 |
|
|
|
738 |
|
|
/*
|
739 |
|
|
word 87: Command set/feature supported
|
740 |
|
|
*/
|
741 |
|
|
*buf++ = 0 << 15 | /* cleared to zero */
|
742 |
|
|
1 << 14 /* set to one */
|
743 |
|
|
; /* 0-13 reserved */
|
744 |
|
|
|
745 |
|
|
/*
|
746 |
|
|
word 88: UltraDMA section
|
747 |
|
|
15-13: reserved
|
748 |
|
|
12 : 1=UltraDMA Mode 4 is selected
|
749 |
|
|
0=UltraDMA Mode 4 is not selected
|
750 |
|
|
10 : 1=UltraDMA Mode 3 is selected
|
751 |
|
|
0=UltraDMA Mode 3 is not selected
|
752 |
|
|
10 : 1=UltraDMA Mode 2 is selected
|
753 |
|
|
0=UltraDMA Mode 2 is not selected
|
754 |
|
|
9 : 1=UltraDMA Mode 1 is selected
|
755 |
|
|
0=UltraDMA Mode 1 is not selected
|
756 |
|
|
8 : 1=UltraDMA Mode 0 is selected
|
757 |
|
|
0=UltraDMA Mode 0 is not selected
|
758 |
|
|
7-5 : Reserved
|
759 |
|
|
4 : UltraDMA Mode 4 and below are supported
|
760 |
|
|
3 : UltraDMA Mode 3 and below are supported
|
761 |
|
|
2 : UltraDMA Mode 2 and below are supported
|
762 |
|
|
1 : UltraDMA Mode 1 and below are supported
|
763 |
|
|
|
764 |
|
|
|
765 |
|
|
Because the OCIDEC cores currently do not support
|
766 |
|
|
UltraDMA we set all bits to zero
|
767 |
|
|
*/
|
768 |
|
|
*buf++ = 0;
|
769 |
|
|
|
770 |
|
|
/*
|
771 |
|
|
word 89: Security sector erase unit completion time
|
772 |
|
|
|
773 |
|
|
For now we report a 'value not specified'.
|
774 |
|
|
*/
|
775 |
|
|
*buf++ = 0x0000; // not really a FIXME
|
776 |
|
|
|
777 |
|
|
/*
|
778 |
|
|
word 90: Enhanced security erase completion time
|
779 |
|
|
|
780 |
|
|
For now we report a 'value not specified'.
|
781 |
|
|
*/
|
782 |
|
|
*buf++ = 0x0000; // not really a FIXME
|
783 |
|
|
|
784 |
|
|
/*
|
785 |
|
|
word 91: Current advanced power management value
|
786 |
|
|
|
787 |
|
|
For now set it to zero.
|
788 |
|
|
*/
|
789 |
|
|
*buf++ = 0x0000; // FIXME
|
790 |
|
|
|
791 |
|
|
/*
|
792 |
|
|
word 92: Master Password Revision Code.
|
793 |
|
|
We simply report that we do not support this.
|
794 |
|
|
*/
|
795 |
|
|
*buf++ = 0x0000;
|
796 |
|
|
|
797 |
|
|
/*
|
798 |
|
|
word 93: Hardware reset result
|
799 |
|
|
*/
|
800 |
|
|
if (device->internals.dev)
|
801 |
|
|
{
|
802 |
|
|
/* this is device1, clear device0 bits */
|
803 |
|
|
*buf++ = 0 << 15 | 1 << 14 | 0 << 13 | /* CBLIBD level (1=Vih, 0=Vil) */
|
804 |
|
|
/* 12-8 Device 1 hardware reset result */
|
805 |
|
|
|
806 |
|
|
device->sigs.pdiago << 11 | /* 1: Device1 did assert PDIAG */
|
807 |
|
|
/* 0: Device1 did not assert PDIAG */
|
808 |
|
|
3 << 9 | /* Device1 determined device number by */
|
809 |
|
|
/* 00: reserved */
|
810 |
|
|
/* 01: a jumper was used */
|
811 |
|
|
/* 10: the CSEL signal was used */
|
812 |
|
|
/* 11: some other or unknown method was used */
|
813 |
|
|
1 << 8 /* set to one */
|
814 |
|
|
;
|
815 |
|
|
}
|
816 |
|
|
else
|
817 |
|
|
{ /* FIXME bit 6 */
|
818 |
|
|
/* this is device0, clear device1 bits */
|
819 |
|
|
*buf++ = 0 << 7 | /* reserved */
|
820 |
|
|
|
821 |
|
|
/* 0: Device0 does not respond for device1 */
|
822 |
|
|
device->sigs.daspi << 5 | /* 1: Device0 did detected DASP assertion */
|
823 |
|
|
/* 0: Device0 did not detect DASP assertion */
|
824 |
|
|
device->sigs.pdiagi << 4 | /* Device0 did detect PDIAG assertion */
|
825 |
|
|
/* Device0 did not detect PDIAG assertion */
|
826 |
|
|
1 << 3 | /* Device0 did pass diagnostics */
|
827 |
|
|
3 << 1 | /* Device0 determined device number by */
|
828 |
|
|
/* 00: reserved */
|
829 |
|
|
/* 01: a jumper was used */
|
830 |
|
|
/* 10: the CSEL signal was used */
|
831 |
|
|
/* 11: some other or unknown method was used */
|
832 |
|
|
1 << 0 /* set to one */
|
833 |
|
|
;
|
834 |
|
|
}
|
835 |
|
|
|
836 |
|
|
/*
|
837 |
|
|
word 94-126: Reserved
|
838 |
|
|
*/
|
839 |
|
|
buf += 33;
|
840 |
|
|
|
841 |
|
|
/*
|
842 |
|
|
word 127: Removable Media Status Notification feature set support
|
843 |
|
|
15-2: reserved
|
844 |
|
|
1-0: 00 Removable media Status Notification not supported
|
845 |
|
|
01 Removable media Status Notification supported
|
846 |
|
|
10 reserved
|
847 |
|
|
11 reserved
|
848 |
|
|
*/
|
849 |
|
|
*buf++ = SUPPORT_REMOVABLE_MEDIA_NOTIFICATION;
|
850 |
|
|
|
851 |
|
|
/*
|
852 |
|
|
word 128: Security status
|
853 |
|
|
15-9: reserved
|
854 |
|
|
8 : Security level, 0=high, 1=maximum
|
855 |
|
|
7-6 : reserved
|
856 |
|
|
5 : 1=enhanced security erase supported
|
857 |
|
|
4 : 1=security count expired
|
858 |
|
|
3 : 1=security frozen
|
859 |
|
|
2 : 1=security locked
|
860 |
|
|
1 : 1=security enabled
|
861 |
|
|
|
862 |
|
|
|
863 |
|
|
for now we do not support security, set is to zero
|
864 |
|
|
*/
|
865 |
|
|
*buf++ = 0;
|
866 |
|
|
|
867 |
|
|
/*
|
868 |
|
|
word 129-159: Vendor specific
|
869 |
|
|
*/
|
870 |
|
|
buf += 31;
|
871 |
|
|
|
872 |
|
|
/*
|
873 |
|
|
word 160: CFA power mode 1
|
874 |
|
|
15 : Word 160 supported
|
875 |
|
|
14 : reserved
|
876 |
|
|
13 : CFA power mode 1 is required for one or more commands
|
877 |
|
|
12 : CFA power mode 1 disabled
|
878 |
|
|
11-0: Maximum current in mA
|
879 |
|
|
*/
|
880 |
|
|
*buf++ = 0;
|
881 |
|
|
|
882 |
|
|
/*
|
883 |
|
|
word 161-175: Reserved for the CompactFLASH Association
|
884 |
|
|
*/
|
885 |
|
|
buf += 15;
|
886 |
|
|
|
887 |
|
|
/*
|
888 |
|
|
word 176-254: reserved
|
889 |
|
|
*/
|
890 |
|
|
buf += 79;
|
891 |
|
|
|
892 |
|
|
/*
|
893 |
|
|
word 255: Integrity word
|
894 |
|
|
15-8: Checksum
|
895 |
|
|
7-0 : Signature
|
896 |
|
|
*/
|
897 |
|
|
// set signature to indicate valid checksum
|
898 |
|
|
*buf = 0x00a5;
|
899 |
|
|
|
900 |
|
|
// calculate checksum
|
901 |
|
|
chksum = 0;
|
902 |
|
|
for (n = 0; n < 511; n++)
|
903 |
|
|
chksum += *chksum_buf++;
|
904 |
|
|
|
905 |
|
|
*buf = ((0 - chksum) << 8) | 0x00a5;
|
906 |
|
|
|
907 |
|
|
/* set status register bits */
|
908 |
|
|
device->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
|
909 |
|
|
}
|
910 |
|
|
}
|
911 |
|
|
|
912 |
|
|
|
913 |
|
|
/*
|
914 |
|
|
A T A _ I N I T I A L I Z E _ D E V I C E _ P A R A M E T E R S
|
915 |
|
|
*/
|
916 |
|
|
static void
|
917 |
|
|
ata_initialize_device_parameters_cmd (struct ata_device *device)
|
918 |
|
|
{
|
919 |
|
|
device->internals.sectors_per_track = device->regs.sector_count;
|
920 |
|
|
device->internals.heads_per_cylinder = device->regs.device_head & ATA_DHR_H;
|
921 |
|
|
|
922 |
|
|
/* set status register bits */
|
923 |
|
|
device->regs.status = ATA_SR_BSY | ATA_SR_DRDY;
|
924 |
|
|
}
|
925 |
|
|
|
926 |
|
|
|
927 |
|
|
/*
|
928 |
|
|
A T A _ R E A D _ S E C T O R S
|
929 |
|
|
*/
|
930 |
|
|
static void
|
931 |
|
|
ata_read_sectors_cmd (struct ata_device *device)
|
932 |
|
|
{
|
933 |
|
|
size_t sector_count;
|
934 |
|
|
uint32_t lba;
|
935 |
|
|
|
936 |
|
|
/* check if this is a NON-PACKET device */
|
937 |
|
|
if (device->conf.packet)
|
938 |
|
|
{
|
939 |
|
|
/*
|
940 |
|
|
This is a PACKET device.
|
941 |
|
|
Respond by placing PACKET Command feature set signature in block registers.
|
942 |
|
|
Abort command.
|
943 |
|
|
*/
|
944 |
|
|
ata_set_device_signature (device, 1);
|
945 |
|
|
device->regs.status = ATA_SR_ERR | ATA_SR_DRDY;
|
946 |
|
|
device->regs.error = ATA_ERR_ABT;
|
947 |
|
|
return;
|
948 |
|
|
}
|
949 |
|
|
|
950 |
|
|
/* get the sector count */
|
951 |
|
|
if (device->regs.sector_count == 0)
|
952 |
|
|
sector_count = 256;
|
953 |
|
|
else
|
954 |
|
|
sector_count = device->regs.sector_count;
|
955 |
|
|
|
956 |
|
|
lba = ata_calc_lba (device);
|
957 |
|
|
|
958 |
|
|
/* check if sector within bounds */
|
959 |
|
|
if (lba >= device->conf.size_sect)
|
960 |
|
|
{
|
961 |
|
|
/* invalid sector address */
|
962 |
|
|
/* set the status & error registers */
|
963 |
|
|
device->regs.status = ATA_SR_DRDY | ATA_SR_ERR;
|
964 |
|
|
device->regs.error = ATA_ERR_IDNF;
|
965 |
|
|
return;
|
966 |
|
|
}
|
967 |
|
|
|
968 |
|
|
/* go ahead, read the bytestream */
|
969 |
|
|
lba *= BYTES_PER_SECTOR;
|
970 |
|
|
|
971 |
|
|
device->internals.lba = lba;
|
972 |
|
|
device->internals.nr_sect = sector_count;
|
973 |
|
|
device->internals.end_t_func = ata_read_sect;
|
974 |
|
|
|
975 |
|
|
ata_read_sect (device);
|
976 |
|
|
}
|
977 |
|
|
|
978 |
|
|
|
979 |
|
|
|
980 |
|
|
/*
|
981 |
|
|
A T A _ R E A D _ N A T I V E _ M A X _ A D D R
|
982 |
|
|
*/
|
983 |
|
|
static void
|
984 |
|
|
ata_read_native_max_addr (struct ata_device *dev)
|
985 |
|
|
{
|
986 |
|
|
// FIXME: Left shift????
|
987 |
|
|
ata_set_sect (dev, dev->conf.size << 11);
|
988 |
|
|
|
989 |
|
|
dev->regs.status = ATA_SR_DRDY | ATA_SR_BSY;
|
990 |
|
|
}
|
991 |
|
|
|
992 |
|
|
/*
|
993 |
|
|
A T A _ W R I T E _ S E C T O R S
|
994 |
|
|
*/
|
995 |
|
|
static void
|
996 |
|
|
ata_write_sectors (struct ata_device *dev)
|
997 |
|
|
{
|
998 |
|
|
size_t sector_count;
|
999 |
|
|
uint32_t lba;
|
1000 |
|
|
|
1001 |
|
|
if (dev->conf.packet)
|
1002 |
|
|
{
|
1003 |
|
|
ata_set_device_signature (dev, 1);
|
1004 |
|
|
dev->regs.status = ATA_SR_ERR | ATA_SR_DRDY;
|
1005 |
|
|
dev->regs.error = ATA_ERR_ABT;
|
1006 |
|
|
return;
|
1007 |
|
|
}
|
1008 |
|
|
|
1009 |
|
|
/* get the sector count */
|
1010 |
|
|
if (dev->regs.sector_count == 0)
|
1011 |
|
|
sector_count = 256;
|
1012 |
|
|
else
|
1013 |
|
|
sector_count = dev->regs.sector_count;
|
1014 |
|
|
|
1015 |
|
|
lba = ata_calc_lba (dev);
|
1016 |
|
|
|
1017 |
|
|
/* check if sector within bounds */
|
1018 |
|
|
if (lba >= dev->conf.size_sect)
|
1019 |
|
|
{
|
1020 |
|
|
/* invalid sector address */
|
1021 |
|
|
/* set the status & error registers */
|
1022 |
|
|
dev->regs.status = ATA_SR_DRDY | ATA_SR_ERR;
|
1023 |
|
|
dev->regs.error = ATA_ERR_IDNF;
|
1024 |
|
|
return;
|
1025 |
|
|
}
|
1026 |
|
|
|
1027 |
|
|
dev->internals.lba = lba * BYTES_PER_SECTOR;
|
1028 |
|
|
dev->internals.nr_sect = sector_count;
|
1029 |
|
|
|
1030 |
|
|
dev->internals.dbuf_cnt = BYTES_PER_SECTOR / 2; //Words, not bytes
|
1031 |
|
|
dev->internals.dbuf_ptr = dev->internals.dbuf;
|
1032 |
|
|
|
1033 |
|
|
dev->regs.status = ATA_SR_BSY | ATA_SR_DRDY | ATA_SR_DRQ;
|
1034 |
|
|
dev->internals.end_t_func = ata_write_sect;
|
1035 |
|
|
}
|
1036 |
|
|
|
1037 |
|
|
/*
|
1038 |
|
|
A T A _ S E T _ F E A T U R E S
|
1039 |
|
|
*/
|
1040 |
|
|
static void
|
1041 |
|
|
ata_set_features (struct ata_device *dev)
|
1042 |
|
|
{
|
1043 |
|
|
switch (dev->regs.features)
|
1044 |
|
|
{
|
1045 |
|
|
case SET_TRANSFER_MODE_SECTOR_COUNT_REG:
|
1046 |
|
|
/* FIXME: I don't have a clue as to what to do with this... */
|
1047 |
|
|
switch (dev->regs.sector_count >> 3)
|
1048 |
|
|
{
|
1049 |
|
|
case 0: /* Set default */
|
1050 |
|
|
break;
|
1051 |
|
|
case 1: /* Set PIO mode */
|
1052 |
|
|
break;
|
1053 |
|
|
case 4: /* Set DMA mode */
|
1054 |
|
|
/* FIXME */
|
1055 |
|
|
fprintf (stderr, "Fixme: Set DMA mode to %d\n",
|
1056 |
|
|
dev->regs.sector_count & 0x7);
|
1057 |
|
|
break;
|
1058 |
|
|
case 8: /* Set UDMA mode */
|
1059 |
|
|
/* FIXME */
|
1060 |
|
|
fprintf (stderr, "Fixme: Set UDMA mode to %d\n",
|
1061 |
|
|
dev->regs.sector_count & 0x7);
|
1062 |
|
|
break;
|
1063 |
|
|
}
|
1064 |
|
|
dev->regs.status = ATA_SR_DSC | ATA_SR_DRDY | ATA_SR_BSY;
|
1065 |
|
|
break;
|
1066 |
|
|
default:
|
1067 |
|
|
dev->regs.error = ATA_ERR_ABT;
|
1068 |
|
|
dev->regs.status = ATA_SR_ERR | ATA_SR_BSY | ATA_SR_DRDY;
|
1069 |
|
|
/* FIXME */
|
1070 |
|
|
fprintf (stderr, "Fixme: Unknown set features sub-command %x\n",
|
1071 |
|
|
dev->regs.features);
|
1072 |
|
|
}
|
1073 |
|
|
}
|
1074 |
|
|
|
1075 |
|
|
|
1076 |
|
|
int
|
1077 |
|
|
ata_device_execute_cmd (struct ata_device *device)
|
1078 |
|
|
{
|
1079 |
|
|
/* execute the commands */
|
1080 |
|
|
switch (device->regs.command)
|
1081 |
|
|
{
|
1082 |
|
|
case DEVICE_RESET:
|
1083 |
|
|
ata_device_reset_cmd (device);
|
1084 |
|
|
SCHED_ADD (ata_cmd_complete, device, 4000000);
|
1085 |
|
|
return 0;
|
1086 |
|
|
|
1087 |
|
|
case EXECUTE_DEVICE_DIAGNOSTICS:
|
1088 |
|
|
ata_execute_device_diagnostics_cmd (device);
|
1089 |
|
|
SCHED_ADD (ata_cmd_complete, device, 4000000);
|
1090 |
|
|
return 0;
|
1091 |
|
|
|
1092 |
|
|
case IDENTIFY_DEVICE:
|
1093 |
|
|
ata_identify_device_cmd (device);
|
1094 |
|
|
/* FIXME: This should generate an interrupt, but linux is abit broken so
|
1095 |
|
|
* it doesn't happen */
|
1096 |
|
|
//SCHED_ADD(ata_cmd_complete, device, 40000);
|
1097 |
|
|
return 0;
|
1098 |
|
|
|
1099 |
|
|
case INITIALIZE_DEVICE_PARAMETERS:
|
1100 |
|
|
ata_initialize_device_parameters_cmd (device);
|
1101 |
|
|
SCHED_ADD (ata_cmd_complete, device, 400000);
|
1102 |
|
|
return 0;
|
1103 |
|
|
|
1104 |
|
|
case READ_SECTORS:
|
1105 |
|
|
ata_read_sectors_cmd (device);
|
1106 |
|
|
/* PIO-in command -- Doesn't interrupt on completion */
|
1107 |
|
|
return 0;
|
1108 |
|
|
|
1109 |
|
|
case READ_NATIVE_MAX_ADDRESS:
|
1110 |
|
|
ata_read_native_max_addr (device);
|
1111 |
|
|
SCHED_ADD (ata_cmd_complete, device, 40000);
|
1112 |
|
|
return 0;
|
1113 |
|
|
|
1114 |
|
|
case WRITE_SECTORS:
|
1115 |
|
|
ata_write_sectors (device);
|
1116 |
|
|
SCHED_ADD (ata_cmd_complete, device, 40000);
|
1117 |
|
|
return 0;
|
1118 |
|
|
|
1119 |
|
|
case SET_FEATURES:
|
1120 |
|
|
ata_set_features (device);
|
1121 |
|
|
SCHED_ADD (ata_cmd_complete, device, 4000);
|
1122 |
|
|
return 0;
|
1123 |
|
|
|
1124 |
|
|
default:
|
1125 |
|
|
device->regs.error = ATA_ERR_ABT;
|
1126 |
|
|
device->regs.status = ATA_SR_ERR | ATA_SR_BSY | ATA_SR_DRDY;
|
1127 |
|
|
/* FIXME */
|
1128 |
|
|
fprintf (stderr, "Fixme: Unknown command %x\n", device->regs.command);
|
1129 |
|
|
SCHED_ADD (ata_cmd_complete, device, 40000);
|
1130 |
|
|
return -1;
|
1131 |
|
|
}
|
1132 |
|
|
}
|