/*
|
/*
|
atadevice_cmdi.c -- ATA Device simulation
|
atadevice_cmdi.c -- ATA Device simulation
|
Command interpreter for the simulated harddisk.
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Command interpreter for the simulated harddisk.
|
Copyright (C) 2002 Richard Herveille, rherveille@opencores.org
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Copyright (C) 2002 Richard Herveille, rherveille@opencores.org
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|
|
This file is part of OpenRISC 1000 Architectural Simulator
|
This file is part of OpenRISC 1000 Architectural Simulator
|
|
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This program is free software; you can redistribute it and/or modify
|
This program 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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it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version
|
(at your option) any later version
|
|
|
This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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*/
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|
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/*
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/*
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For fun, count the number of FIXMEs :-(
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For fun, count the number of FIXMEs :-(
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*/
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*/
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|
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#include <string.h>
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#include <string.h>
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|
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#include "atadevice.h"
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#include "atadevice.h"
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#include "atadevice_cmdi.h"
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#include "atadevice_cmdi.h"
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#include "atacmd.h"
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#include "atacmd.h"
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#include "debug.h"
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#include "debug.h"
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DEFAULT_DEBUG_CHANNEL(ata);
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DEFAULT_DEBUG_CHANNEL(ata);
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int ata_device_execute_cmd(ata_device *device)
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int ata_device_execute_cmd(ata_device *device)
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{
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{
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/*display debug information */
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/*display debug information */
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TRACE("ata_device_execute_command called with command = 0x%02X\n",
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TRACE("ata_device_execute_command called with command = 0x%02X\n",
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device->regs.command);
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device->regs.command);
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/* execute the commands */
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/* execute the commands */
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switch (device->regs.command) {
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switch (device->regs.command) {
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|
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case DEVICE_RESET :
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case DEVICE_RESET :
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ata_device_reset_cmd(device);
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ata_device_reset_cmd(device);
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return 0;
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return 0;
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|
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case EXECUTE_DEVICE_DIAGNOSTICS :
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case EXECUTE_DEVICE_DIAGNOSTICS :
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ata_execute_device_diagnostics_cmd(device);
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ata_execute_device_diagnostics_cmd(device);
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return 0;
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return 0;
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|
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case IDENTIFY_DEVICE :
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case IDENTIFY_DEVICE :
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ata_identify_device_cmd(device);
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ata_identify_device_cmd(device);
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return 0;
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return 0;
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|
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case INITIALIZE_DEVICE_PARAMETERS :
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case INITIALIZE_DEVICE_PARAMETERS :
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ata_initialize_device_parameters_cmd(device);
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ata_initialize_device_parameters_cmd(device);
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return 0;
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return 0;
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|
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case READ_SECTORS :
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case READ_SECTORS :
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ata_read_sectors_cmd(device);
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ata_read_sectors_cmd(device);
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|
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default :
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default :
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return -1;
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return -1;
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}
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}
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}
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}
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|
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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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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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called whenever a command needs to signal the device type (packet, non-packet)
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*/
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*/
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void ata_set_device_signature(ata_device *device, int signature)
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void ata_set_device_signature(ata_device *device, int signature)
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{
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{
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if (signature)
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if (signature)
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{
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{
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/* place PACKET Command feature set signature in register block */
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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_count = 0x01;
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device->regs.sector_number = 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_low = 0x14;
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device->regs.cylinder_high = 0xEB;
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device->regs.cylinder_high = 0xEB;
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}
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}
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else
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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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/* 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_count = 0x01;
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device->regs.sector_number = 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_low = 0x00;
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device->regs.cylinder_high = 0x00;
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device->regs.cylinder_high = 0x00;
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device->regs.device_head = 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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}
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|
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|
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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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A T A _ D E V I C E _ R E S E T
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*/
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*/
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void ata_device_reset_cmd(ata_device *device)
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void ata_device_reset_cmd(ata_device *device)
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{
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{
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/* print debug information */
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/* print debug information */
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TRACE("executing command 'device reset'\n");
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TRACE("executing command 'device reset'\n");
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|
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if (!device->packet)
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if (!device->packet)
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WARN("executing DEVICE_RESET on non-packet device.");
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WARN("executing DEVICE_RESET on non-packet device.");
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|
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ata_execute_device_diagnostics_cmd(device);
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ata_execute_device_diagnostics_cmd(device);
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}
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}
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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
|
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 ata_execute_device_diagnostics_cmd(ata_device *device)
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void ata_execute_device_diagnostics_cmd(ata_device *device)
|
{
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{
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/* print debug information */
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/* print debug information */
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TRACE("executing command 'execute_device_diagnostics'\n");
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TRACE("executing command 'execute_device_diagnostics'\n");
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|
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/* clear SRST bit, if set */
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/* clear SRST bit, if set */
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device->regs.device_control &= ~ATA_DCR_RST;
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device->regs.device_control &= ~ATA_DCR_RST;
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|
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/* content of features register is undefined */
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/* content of features register is undefined */
|
|
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/*
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/*
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set device error register
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set device error register
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Device0: 0x01 = Device0 passed & Device1 passed/not present
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Device0: 0x01 = Device0 passed & Device1 passed/not present
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Device1: 0x01 = Device1 passed
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Device1: 0x01 = Device1 passed
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*/
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*/
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device->regs.error = 0x01;
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device->regs.error = 0x01;
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/* something about DASP- and error_register_bit7 */
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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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/* 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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/* diagnostics, than bit7 should be cleared. */
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/* This means we always clear bit7 */
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/* This means we always clear bit7 */
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|
|
|
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/* check if device implements packet protocol */
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/* check if device implements packet protocol */
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if (device->packet)
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if (device->packet)
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{
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{
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/* place PACKET command feature set signature in register block */
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/* place PACKET command feature set signature in register block */
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ata_set_device_signature(device, PACKET_SIGNATURE);
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ata_set_device_signature(device, PACKET_SIGNATURE);
|
|
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device->regs.status &= 0xf8;
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device->regs.status &= 0xf8;
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|
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if (device->regs.command == DEVICE_RESET)
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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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device->regs.device_head = device->regs.device_head & ATA_DHR_LBA;
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else
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else
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device->regs.device_head = 0x00;
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device->regs.device_head = 0x00;
|
}
|
}
|
else
|
else
|
{
|
{
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/* place NON_PACKET Command feature set signature in register block */
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/* place NON_PACKET Command feature set signature in register block */
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ata_set_device_signature(device, !PACKET_SIGNATURE);
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ata_set_device_signature(device, !PACKET_SIGNATURE);
|
|
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device->regs.status &= 0x82;
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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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/* we passed diagnostics, so set the PDIAG-line */
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device->sigs.pdiago = 1;
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device->sigs.pdiago = 1;
|
}
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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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A T A _ I D E N T I F Y _ D E V I C E
|
*/
|
*/
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void ata_identify_device_cmd(ata_device *device)
|
void ata_identify_device_cmd(ata_device *device)
|
{
|
{
|
unsigned char *chksum_buf, chksum;
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unsigned char *chksum_buf, chksum;
|
unsigned short *buf;
|
unsigned short *buf;
|
int n;
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int n;
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unsigned int tmp;
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unsigned int tmp;
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|
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/* print debug information */
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/* print debug information */
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TRACE("ata_device executing command 'identify device'\n");
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TRACE("ata_device executing command 'identify device'\n");
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|
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/* reset databuffer */
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/* reset databuffer */
|
device->internals.dbuf_cnt = 256;
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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.dbuf_ptr = device->internals.dbuf;
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|
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buf = device->internals.dbuf;
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buf = device->internals.dbuf;
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chksum_buf = (unsigned char *)buf;
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chksum_buf = (unsigned char *)buf;
|
|
|
/*
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/*
|
if number_of_available_sectors (==device->size / BYTES_PER_SECTOR) < 16,514,064 then
|
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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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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LBA = ( ((cylinder_number*heads_per_cylinder) +head_number) *sectors_per_track ) +sector_number -1;
|
|
|
Cylinders : 1-255 (or max.cylinders)
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Cylinders : 1-255 (or max.cylinders)
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Heads : 0-15 (or max.heads )
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Heads : 0-15 (or max.heads )
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Sectors : 0-65535 (or max.sectors )
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Sectors : 0-65535 (or max.sectors )
|
*/
|
*/
|
|
|
/*
|
/*
|
1) Word 1 shall contain the number of user-addressable logical cylinders in the default CHS
|
1) Word 1 shall contain the number of user-addressable logical cylinders in the default CHS
|
translation. If the content of words (61:60) is less than 16,514,064 then the content of word 1
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translation. If the content of words (61:60) is less than 16,514,064 then the content of word 1
|
shall be greater than or equal to one and less than or equal to 65,535. If the content of words
|
shall be greater than or equal to one and less than or equal to 65,535. If the content of words
|
(61:60) is greater than or equal to 16,514,064 then the content of
|
(61:60) is greater than or equal to 16,514,064 then the content of
|
word 1 shall be equal to 16,383.
|
word 1 shall be equal to 16,383.
|
2) Word 3 shall contain the number of user-addressable logical heads in the default CHS
|
2) Word 3 shall contain the number of user-addressable logical heads in the default CHS
|
translation. The content of word 3 shall be greater than or equal to one and less than or equal to
|
translation. The content of word 3 shall be greater than or equal to one and less than or equal to
|
16. For compatibility with some BIOSs, the content of word 3 may be equal to 15 if the content of
|
16. For compatibility with some BIOSs, the content of word 3 may be equal to 15 if the content of
|
word 1 is greater than 8192.
|
word 1 is greater than 8192.
|
3) Word 6 shall contain the number of user-addressable logical sectors in the default CHS
|
3) Word 6 shall contain the number of user-addressable logical sectors in the default CHS
|
translation. The content of word 6 shall be greater than or equal to one and less than or equal to
|
translation. The content of word 6 shall be greater than or equal to one and less than or equal to
|
63.
|
63.
|
4) [(The content of word 1) * (the content of word 3) * (the content of word 6)] shall be less than or
|
4) [(The content of word 1) * (the content of word 3) * (the content of word 6)] shall be less than or
|
equal to 16,514,064
|
equal to 16,514,064
|
5) Word 54 shall contain the number of user-addressable logical cylinders in the current CHS
|
5) Word 54 shall contain the number of user-addressable logical cylinders in the current CHS
|
translation. The content of word 54 shall be greater than or equal to one and less than or
|
translation. The content of word 54 shall be greater than or equal to one and less than or
|
equal to 65,535. After power-on of after a hardware reset the content of word 54 shall be equal to
|
equal to 65,535. After power-on of after a hardware reset the content of word 54 shall be equal to
|
the content of word 1.
|
the content of word 1.
|
6) Word 55 shall contain the number of user-addressable logical heads in the current CHS
|
6) Word 55 shall contain the number of user-addressable logical heads in the current CHS
|
translation. The content of word 55 shall be greater than or equal to one and less than or equal
|
translation. The content of word 55 shall be greater than or equal to one and less than or equal
|
to 16. After power-on or after a hardware reset the content of word 55 shall equal the content of
|
to 16. After power-on or after a hardware reset the content of word 55 shall equal the content of
|
word 3.
|
word 3.
|
7) Word 56 shall contain the user-addressable logical sectors in the current CHS
|
7) Word 56 shall contain the user-addressable logical sectors in the current CHS
|
translation. The content of word 56 should be equal to 63 for compatibility with all BIOSs.
|
translation. The content of word 56 should be equal to 63 for compatibility with all BIOSs.
|
However, the content of word 56 may be greater than or equal to one and less than or equal to
|
However, the content of word 56 may be greater than or equal to one and less than or equal to
|
255. At power-on or after a hardware reset the content of word 56 shall equal the content of
|
255. At power-on or after a hardware reset the content of word 56 shall equal the content of
|
word 6.
|
word 6.
|
8) Words (58:57) shall contain the user-addressable capacity in sectors for the current CHS
|
8) Words (58:57) shall contain the user-addressable capacity in sectors for the current CHS
|
translation. The content of words (58:57) shall equal [(the content of word 54) * (the content of
|
translation. The content of words (58:57) shall equal [(the content of word 54) * (the content of
|
word 55) * (the content of word 56)] The content of words (58:57) shall be less than or equal to
|
word 55) * (the content of word 56)] The content of words (58:57) shall be less than or equal to
|
16,514,064. The content of words (58:57) shall be less than or equal to the content of words
|
16,514,064. The content of words (58:57) shall be less than or equal to the content of words
|
(61:60).
|
(61:60).
|
9) The content of words 54, 55, 56, and (58:57) may be affected by the host issuing an INITIALIZE
|
9) The content of words 54, 55, 56, and (58:57) may be affected by the host issuing an INITIALIZE
|
DEVICE PARAMETERS command.
|
DEVICE PARAMETERS command.
|
10)If the content of words (61:60) is greater than 16,514,064 and if the device does not support CHS
|
10)If the content of words (61:60) is greater than 16,514,064 and if the device does not support CHS
|
addressing, then the content of words 1, 3, 6, 54, 55, 56, and (58:57) shall equal zero. If the
|
addressing, then the content of words 1, 3, 6, 54, 55, 56, and (58:57) shall equal zero. If the
|
content of word 1, word 3, or word 6 equals zero, then the content of words 1, 3, 6, 54, 55, 56,
|
content of word 1, word 3, or word 6 equals zero, then the content of words 1, 3, 6, 54, 55, 56,
|
and (58:57) shall equal zero.
|
and (58:57) shall equal zero.
|
11)Words (61:60) shall contain the total number of user-addressable sectors. The content of words
|
11)Words (61:60) shall contain the total number of user-addressable sectors. The content of words
|
(61:60) shall be greater than or equal to one and less than or equal to 268,435,456.
|
(61:60) shall be greater than or equal to one and less than or equal to 268,435,456.
|
12)The content of words 1, 54, (58:57), and (61:60) may be affected by the host issuing a SET MAX
|
12)The content of words 1, 54, (58:57), and (61:60) may be affected by the host issuing a SET MAX
|
ADDRESS command.
|
ADDRESS command.
|
*/
|
*/
|
|
|
|
|
/* check if this is a NON-PACKET device */
|
/* check if this is a NON-PACKET device */
|
if (device->packet)
|
if (device->packet)
|
{
|
{
|
/*
|
/*
|
This is a PACKET device.
|
This is a PACKET device.
|
Respond by placing PACKET Command feature set signature in block registers.
|
Respond by placing PACKET Command feature set signature in block registers.
|
Abort command.
|
Abort command.
|
*/
|
*/
|
TRACE("'identify_device' command: This is a PACKET device\n");
|
TRACE("'identify_device' command: This is a PACKET device\n");
|
|
|
ata_set_device_signature(device, PACKET_SIGNATURE);
|
ata_set_device_signature(device, PACKET_SIGNATURE);
|
device->regs.status = ATA_SR_ERR;
|
device->regs.status = ATA_SR_ERR;
|
device->regs.error = ATA_ERR_ABT;
|
device->regs.error = ATA_ERR_ABT;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* start filling buffer */
|
/* start filling buffer */
|
|
|
/*
|
/*
|
word 0: General configuration
|
word 0: General configuration
|
15 : 0 = ATA device
|
15 : 0 = ATA device
|
14-8: retired
|
14-8: retired
|
7 : 1 = removable media device (not set)
|
7 : 1 = removable media device (not set)
|
6 : 1 = not-removable controller and/or device (set)
|
6 : 1 = not-removable controller and/or device (set)
|
5-0 : retired and/or always set to zero
|
5-0 : retired and/or always set to zero
|
*/
|
*/
|
*buf++ = 0x0040;
|
*buf++ = 0x0040;
|
|
|
/*
|
/*
|
word 1: Number of logical cylinders
|
word 1: Number of logical cylinders
|
|
|
>=1, <= 65535
|
>=1, <= 65535
|
*/
|
*/
|
if ( (tmp = device->size / BYTES_PER_SECTOR) >= 16514064 )
|
if ( (tmp = device->size / BYTES_PER_SECTOR) >= 16514064 )
|
*buf++ = 16383;
|
*buf++ = 16383;
|
else
|
else
|
if ( (tmp /= (HEADS +1) * SECTORS) > 65535 )
|
if ( (tmp /= (HEADS +1) * SECTORS) > 65535 )
|
*buf++ = 65535;
|
*buf++ = 65535;
|
else
|
else
|
*buf++ = tmp;
|
*buf++ = tmp;
|
|
|
/*
|
/*
|
word 2: Specific configuration
|
word 2: Specific configuration
|
|
|
0x37c8: Device requires SET_FEATURES subcommand to spinup after power-on
|
0x37c8: Device requires SET_FEATURES subcommand to spinup after power-on
|
and IDENTIFY_DEVICE response is incomplete
|
and IDENTIFY_DEVICE response is incomplete
|
0x738c: Device requires SET_FEATURES subcommand to spinup after power-on
|
0x738c: Device requires SET_FEATURES subcommand to spinup after power-on
|
and IDENTIFY_DEVICE response is complete
|
and IDENTIFY_DEVICE response is complete
|
0x8c73: Device does not require SET_FEATURES subcommand to spinup after power-on
|
0x8c73: Device does not require SET_FEATURES subcommand to spinup after power-on
|
and IDENTIFY_DEVICE response is incomplete
|
and IDENTIFY_DEVICE response is incomplete
|
0xc837: Device does not require SET_FEATURES subcommand to spinup after power-on
|
0xc837: Device does not require SET_FEATURES subcommand to spinup after power-on
|
and IDENTIFY_DEVICE response is complete
|
and IDENTIFY_DEVICE response is complete
|
|
|
pick-one
|
pick-one
|
*/
|
*/
|
*buf++ = 0xc837;
|
*buf++ = 0xc837;
|
|
|
/*
|
/*
|
word 3: Number of logical heads
|
word 3: Number of logical heads
|
|
|
>= 1, <= 16
|
>= 1, <= 16
|
|
|
set to 15 if word1 > 8192 (BIOS compatibility)
|
set to 15 if word1 > 8192 (BIOS compatibility)
|
*/
|
*/
|
*buf++ = HEADS;
|
*buf++ = HEADS;
|
|
|
/*
|
/*
|
word 5-4: retired
|
word 5-4: retired
|
*/
|
*/
|
buf += 2;
|
buf += 2;
|
|
|
/*
|
/*
|
word 6: Number of logical sectors per logical track
|
word 6: Number of logical sectors per logical track
|
|
|
>= 1, <= 63
|
>= 1, <= 63
|
*/
|
*/
|
*buf++ = SECTORS;
|
*buf++ = SECTORS;
|
|
|
/*
|
/*
|
word 8-7: Reserved by the CompactFLASH association
|
word 8-7: Reserved by the CompactFLASH association
|
*/
|
*/
|
buf += 2;
|
buf += 2;
|
|
|
/*
|
/*
|
word 9: retired
|
word 9: retired
|
*/
|
*/
|
buf++;
|
buf++;
|
|
|
/*
|
/*
|
word 19-10: Serial number (ASCII)
|
word 19-10: Serial number (ASCII)
|
*/
|
*/
|
/* " www.opencores.org " */
|
/* " www.opencores.org " */
|
*buf++ = (' ' << 8) | 'w';
|
*buf++ = (' ' << 8) | 'w';
|
*buf++ = ('w' << 8) | 'w';
|
*buf++ = ('w' << 8) | 'w';
|
*buf++ = ('.' << 8) | 'o';
|
*buf++ = ('.' << 8) | 'o';
|
*buf++ = ('p' << 8) | 'e';
|
*buf++ = ('p' << 8) | 'e';
|
*buf++ = ('n' << 8) | 'c';
|
*buf++ = ('n' << 8) | 'c';
|
*buf++ = ('o' << 8) | 'r';
|
*buf++ = ('o' << 8) | 'r';
|
*buf++ = ('e' << 8) | 's';
|
*buf++ = ('e' << 8) | 's';
|
*buf++ = ('.' << 8) | 'o';
|
*buf++ = ('.' << 8) | 'o';
|
*buf++ = ('r' << 8) | 'g';
|
*buf++ = ('r' << 8) | 'g';
|
*buf++ = (' ' << 8) | ' ';
|
*buf++ = (' ' << 8) | ' ';
|
|
|
/*
|
/*
|
word 22 : obsolete
|
word 22 : obsolete
|
word 21-20: retired
|
word 21-20: retired
|
*/
|
*/
|
buf += 3;
|
buf += 3;
|
|
|
/*
|
/*
|
word 26-23: Firmware revision
|
word 26-23: Firmware revision
|
*/
|
*/
|
strncpy((char *)buf, FIRMWARE, 8);
|
strncpy((char *)buf, FIRMWARE, 8);
|
buf += 4;
|
buf += 4;
|
|
|
/*
|
/*
|
word 46-27: Model number
|
word 46-27: Model number
|
*/
|
*/
|
/* " ata device model (C)Richard Herveille " */
|
/* " ata device model (C)Richard Herveille " */
|
*buf++ = (' ' << 8) | 'a';
|
*buf++ = (' ' << 8) | 'a';
|
*buf++ = ('t' << 8) | 'a';
|
*buf++ = ('t' << 8) | 'a';
|
*buf++ = (' ' << 8) | 'd';
|
*buf++ = (' ' << 8) | 'd';
|
*buf++ = ('e' << 8) | 'v';
|
*buf++ = ('e' << 8) | 'v';
|
*buf++ = ('i' << 8) | 'c';
|
*buf++ = ('i' << 8) | 'c';
|
*buf++ = ('e' << 8) | ' ';
|
*buf++ = ('e' << 8) | ' ';
|
*buf++ = ('m' << 8) | 'o';
|
*buf++ = ('m' << 8) | 'o';
|
*buf++ = ('d' << 8) | 'e';
|
*buf++ = ('d' << 8) | 'e';
|
*buf++ = ('l' << 8) | ' ';
|
*buf++ = ('l' << 8) | ' ';
|
*buf++ = (' ' << 8) | '(';
|
*buf++ = (' ' << 8) | '(';
|
*buf++ = ('C' << 8) | ')';
|
*buf++ = ('C' << 8) | ')';
|
*buf++ = ('R' << 8) | 'i';
|
*buf++ = ('R' << 8) | 'i';
|
*buf++ = ('c' << 8) | 'h';
|
*buf++ = ('c' << 8) | 'h';
|
*buf++ = ('a' << 8) | 'r';
|
*buf++ = ('a' << 8) | 'r';
|
*buf++ = ('d' << 8) | ' ';
|
*buf++ = ('d' << 8) | ' ';
|
*buf++ = ('H' << 8) | 'e';
|
*buf++ = ('H' << 8) | 'e';
|
*buf++ = ('r' << 8) | 'v';
|
*buf++ = ('r' << 8) | 'v';
|
*buf++ = ('e' << 8) | 'i';
|
*buf++ = ('e' << 8) | 'i';
|
*buf++ = ('l' << 8) | 'l';
|
*buf++ = ('l' << 8) | 'l';
|
*buf++ = ('e' << 8) | ' ';
|
*buf++ = ('e' << 8) | ' ';
|
|
|
/*
|
/*
|
word 47:
|
word 47:
|
15-8: 0x80
|
15-8: 0x80
|
7-0: 0x00 reserved
|
7-0: 0x00 reserved
|
0x01-0xff maximum number of sectors to be transfered
|
0x01-0xff maximum number of sectors to be transfered
|
per interrupt on a READ/WRITE MULTIPLE command
|
per interrupt on a READ/WRITE MULTIPLE command
|
*/
|
*/
|
*buf++ = 0x8001;
|
*buf++ = 0x8001;
|
|
|
/*
|
/*
|
word 48: reserved
|
word 48: reserved
|
*/
|
*/
|
buf++;
|
buf++;
|
|
|
/*
|
/*
|
word 49: Capabilities
|
word 49: Capabilities
|
15-14: reserved for IDENTIFY PACKET DEVICE
|
15-14: reserved for IDENTIFY PACKET DEVICE
|
13 : 1=standby timers are supported
|
13 : 1=standby timers are supported
|
0=standby timers are handled by the device FIXME
|
0=standby timers are handled by the device FIXME
|
12 : reserved for IDENTIFY PACKET DEVICE
|
12 : reserved for IDENTIFY PACKET DEVICE
|
11 : 1=IORDY supported
|
11 : 1=IORDY supported
|
0=IORDY may be supported
|
0=IORDY may be supported
|
10 : 1=IORDY may be disabled
|
10 : 1=IORDY may be disabled
|
9 : set to one
|
9 : set to one
|
8 : set to one
|
8 : set to one
|
7-0 : retired
|
7-0 : retired
|
*/
|
*/
|
*buf++ = 0x0f00;
|
*buf++ = 0x0f00;
|
|
|
/*
|
/*
|
word 50: Capabilities
|
word 50: Capabilities
|
15 : always cleared to zero
|
15 : always cleared to zero
|
14 : always set to one
|
14 : always set to one
|
13-1: reserved
|
13-1: reserved
|
0 : 1=Device specific standby timer minimum value FIXME
|
0 : 1=Device specific standby timer minimum value FIXME
|
*/
|
*/
|
*buf++ = 0x4000;
|
*buf++ = 0x4000;
|
|
|
/*
|
/*
|
word 52-51: obsolete
|
word 52-51: obsolete
|
*/
|
*/
|
buf += 2;
|
buf += 2;
|
|
|
/*
|
/*
|
word 53:
|
word 53:
|
15-3: Reserved
|
15-3: Reserved
|
2 : 1=value in word 88 is valid
|
2 : 1=value in word 88 is valid
|
0=value in word 88 is not valid
|
0=value in word 88 is not valid
|
1 : 1=value in word 64-70 is valid
|
1 : 1=value in word 64-70 is valid
|
0=value in word 64-70 is not valid
|
0=value in word 64-70 is not valid
|
0 : 1=value in word 54-58 is valid
|
0 : 1=value in word 54-58 is valid
|
0=value in word 54-58 is not valid
|
0=value in word 54-58 is not valid
|
*/
|
*/
|
*buf++ = 0x0007;
|
*buf++ = 0x0007;
|
|
|
|
|
/*
|
/*
|
word 54: number of current logical cylinders (0-65535)
|
word 54: number of current logical cylinders (0-65535)
|
*/
|
*/
|
if ( (tmp = device->size / BYTES_PER_SECTOR) > 16514064 )
|
if ( (tmp = device->size / BYTES_PER_SECTOR) > 16514064 )
|
tmp = 16514064;
|
tmp = 16514064;
|
|
|
tmp /= (device->internals.heads_per_cylinder +1) * (device->internals.sectors_per_track);
|
tmp /= (device->internals.heads_per_cylinder +1) * (device->internals.sectors_per_track);
|
if (tmp > 65535)
|
if (tmp > 65535)
|
*buf++ = 65535;
|
*buf++ = 65535;
|
else
|
else
|
*buf++ = tmp;
|
*buf++ = tmp;
|
|
|
/*
|
/*
|
word 55: number of current logical heads, (0-15)
|
word 55: number of current logical heads, (0-15)
|
*/
|
*/
|
*buf++ = device->internals.heads_per_cylinder +1;
|
*buf++ = device->internals.heads_per_cylinder +1;
|
|
|
/*
|
/*
|
word 56: number of current logical sectors per track (1-255)
|
word 56: number of current logical sectors per track (1-255)
|
*/
|
*/
|
*buf++ = device->internals.sectors_per_track;
|
*buf++ = device->internals.sectors_per_track;
|
|
|
/*
|
/*
|
word 58-57: current capacity in sectors
|
word 58-57: current capacity in sectors
|
*/
|
*/
|
tmp = *(buf-3) * *(buf-2) * *(buf-1);
|
tmp = *(buf-3) * *(buf-2) * *(buf-1);
|
*buf++ = tmp >> 16;
|
*buf++ = tmp >> 16;
|
*buf++ = tmp & 0xffff;
|
*buf++ = tmp & 0xffff;
|
|
|
/*
|
/*
|
word 59:
|
word 59:
|
15-9: reserved
|
15-9: reserved
|
8 : 1=multiple sector setting is valid
|
8 : 1=multiple sector setting is valid
|
7-0 : current setting for number of sectors to be transfered
|
7-0 : current setting for number of sectors to be transfered
|
per interrupt on a READ/WRITE MULTIPLE command
|
per interrupt on a READ/WRITE MULTIPLE command
|
*/
|
*/
|
*buf++ = 0x0001; // not really a FIXME
|
*buf++ = 0x0001; // not really a FIXME
|
|
|
/*
|
/*
|
word 60-61: Total number of user addressable sectors (LBA only)
|
word 60-61: Total number of user addressable sectors (LBA only)
|
*/
|
*/
|
*buf++ = (device->size / BYTES_PER_SECTOR);
|
*buf++ = (device->size / BYTES_PER_SECTOR);
|
*buf++ = (device->size / BYTES_PER_SECTOR) >> 16;
|
*buf++ = (device->size / BYTES_PER_SECTOR) >> 16;
|
|
|
/*
|
/*
|
word 62: obsolete
|
word 62: obsolete
|
*/
|
*/
|
buf++;
|
buf++;
|
|
|
/* FIXME
|
/* FIXME
|
word 63: DMA settings
|
word 63: DMA settings
|
15-11: Reserved
|
15-11: Reserved
|
10 : 1=Multiword DMA Mode 2 is selected
|
10 : 1=Multiword DMA Mode 2 is selected
|
0=Multiword DMA Mode 2 is not selected
|
0=Multiword DMA Mode 2 is not selected
|
9 : 1=Multiword DMA Mode 1 is selected
|
9 : 1=Multiword DMA Mode 1 is selected
|
0=Multiword DMA Mode 1 is not selected
|
0=Multiword DMA Mode 1 is not selected
|
8 : 1=Multiword DMA Mode 0 is selected
|
8 : 1=Multiword DMA Mode 0 is selected
|
0=Multiword DMA Mode 0 is not selected
|
0=Multiword DMA Mode 0 is not selected
|
7-3 : Reserved
|
7-3 : Reserved
|
2 : Multiword DMA Mode 2 and below are supported
|
2 : Multiword DMA Mode 2 and below are supported
|
1 : Multiword DMA Mode 1 and below are supported
|
1 : Multiword DMA Mode 1 and below are supported
|
0 : Multiword DMA Mode 0 is supported
|
0 : Multiword DMA Mode 0 is supported
|
*/
|
*/
|
#if (MWDMA == -1)
|
#if (MWDMA == -1)
|
*buf++ = 0x0000;
|
*buf++ = 0x0000;
|
#elif (MWDMA == 2)
|
#elif (MWDMA == 2)
|
*buf++ = 0x0007;
|
*buf++ = 0x0007;
|
#elif (MWDMA == 1)
|
#elif (MWDMA == 1)
|
*buf++ = 0x0003;
|
*buf++ = 0x0003;
|
#else
|
#else
|
*buf++ = 0x0001;
|
*buf++ = 0x0001;
|
#endif
|
#endif
|
|
|
/*
|
/*
|
word 64:
|
word 64:
|
15-8: reserved
|
15-8: reserved
|
7-0: Advanced PIO modes supported
|
7-0: Advanced PIO modes supported
|
|
|
7-2: reserved
|
7-2: reserved
|
1 : PIO mode4 supported
|
1 : PIO mode4 supported
|
0 : PIO mode3 supported
|
0 : PIO mode3 supported
|
*/
|
*/
|
*buf++ = 0x0003;
|
*buf++ = 0x0003;
|
|
|
/*
|
/*
|
word 65: Minimum Multiword DMA transfer cycle time per word (nsec)
|
word 65: Minimum Multiword DMA transfer cycle time per word (nsec)
|
*/
|
*/
|
*buf++ = MIN_MWDMA_CYCLE_TIME;
|
*buf++ = MIN_MWDMA_CYCLE_TIME;
|
|
|
/*
|
/*
|
word 66: Manufacturer's recommended Multiword DMA transfer cycle time per word (nsec)
|
word 66: Manufacturer's recommended Multiword DMA transfer cycle time per word (nsec)
|
*/
|
*/
|
*buf++ = RECOMMENDED_MWDMA_CYCLE_TIME;
|
*buf++ = RECOMMENDED_MWDMA_CYCLE_TIME;
|
|
|
|
|
/*
|
/*
|
word 67: Minimum PIO transfer cycle time per word (nsec), without IORDY flow control
|
word 67: Minimum PIO transfer cycle time per word (nsec), without IORDY flow control
|
*/
|
*/
|
*buf++ = MIN_PIO_CYCLE_TIME_NO_IORDY;
|
*buf++ = MIN_PIO_CYCLE_TIME_NO_IORDY;
|
|
|
/*
|
/*
|
word 68: Minimum PIO transfer cycle time per word (nsec), with IORDY flow control
|
word 68: Minimum PIO transfer cycle time per word (nsec), with IORDY flow control
|
*/
|
*/
|
*buf++ = MIN_PIO_CYCLE_TIME_IORDY;
|
*buf++ = MIN_PIO_CYCLE_TIME_IORDY;
|
|
|
/*
|
/*
|
word 69-70: reserved for future command overlap and queueing
|
word 69-70: reserved for future command overlap and queueing
|
71-74: reserved for IDENTIFY PACKET DEVICE command
|
71-74: reserved for IDENTIFY PACKET DEVICE command
|
*/
|
*/
|
buf += 6;
|
buf += 6;
|
|
|
/*
|
/*
|
word 75: Queue depth
|
word 75: Queue depth
|
15-5: reserved
|
15-5: reserved
|
4-0: queue depth -1
|
4-0: queue depth -1
|
*/
|
*/
|
*buf++ = SUPPORT_READ_WRITE_DMA_QUEUED ? QUEUE_DEPTH : 0x0000;
|
*buf++ = SUPPORT_READ_WRITE_DMA_QUEUED ? QUEUE_DEPTH : 0x0000;
|
|
|
/*
|
/*
|
word 76-79: reserved
|
word 76-79: reserved
|
*/
|
*/
|
buf += 4;
|
buf += 4;
|
|
|
/*
|
/*
|
word 80: MAJOR ATA version
|
word 80: MAJOR ATA version
|
We simply report that we do not report a version
|
We simply report that we do not report a version
|
|
|
You can also set bits 5-2 to indicate compliancy to
|
You can also set bits 5-2 to indicate compliancy to
|
ATA revisions 5-2 (1 & 0 are obsolete)
|
ATA revisions 5-2 (1 & 0 are obsolete)
|
*/
|
*/
|
*buf++ = 0x0000;
|
*buf++ = 0x0000;
|
|
|
/*
|
/*
|
word 81: MINOR ATA version
|
word 81: MINOR ATA version
|
We report ATA/ATAPI-5 T13 1321D revision 3 (0x13)
|
We report ATA/ATAPI-5 T13 1321D revision 3 (0x13)
|
*/
|
*/
|
*buf++ = 0x0013;
|
*buf++ = 0x0013;
|
|
|
/*
|
/*
|
word 82: Command set supported
|
word 82: Command set supported
|
*/
|
*/
|
*buf++ = 0 << 15 | /* obsolete */
|
*buf++ = 0 << 15 | /* obsolete */
|
SUPPORT_NOP_CMD << 14 |
|
SUPPORT_NOP_CMD << 14 |
|
SUPPORT_READ_BUFFER_CMD << 13 |
|
SUPPORT_READ_BUFFER_CMD << 13 |
|
SUPPORT_WRITE_BUFFER_CMD << 12 |
|
SUPPORT_WRITE_BUFFER_CMD << 12 |
|
0 << 11 | /* obsolete */
|
0 << 11 | /* obsolete */
|
SUPPORT_HOST_PROTECTED_AREA << 10 |
|
SUPPORT_HOST_PROTECTED_AREA << 10 |
|
SUPPORT_DEVICE_RESET_CMD << 9 |
|
SUPPORT_DEVICE_RESET_CMD << 9 |
|
SUPPORT_SERVICE_INTERRUPT << 8 |
|
SUPPORT_SERVICE_INTERRUPT << 8 |
|
SUPPORT_RELEASE_INTERRUPT << 7 |
|
SUPPORT_RELEASE_INTERRUPT << 7 |
|
SUPPORT_LOOKAHEAD << 6 |
|
SUPPORT_LOOKAHEAD << 6 |
|
SUPPORT_WRITE_CACHE << 5 |
|
SUPPORT_WRITE_CACHE << 5 |
|
0 << 4 | /* cleared to zero */
|
0 << 4 | /* cleared to zero */
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
SUPPORT_SECURITY_MODE << 1 |
|
SUPPORT_SECURITY_MODE << 1 |
|
SUPPORT_SMART << 0
|
SUPPORT_SMART << 0
|
;
|
;
|
|
|
/*
|
/*
|
word 83: Command set supported
|
word 83: Command set supported
|
*/
|
*/
|
*buf++ = 0 << 15 | /* cleared to zero */
|
*buf++ = 0 << 15 | /* cleared to zero */
|
1 << 14 | /* set to one */
|
1 << 14 | /* set to one */
|
0 << 9 | /* reserved */
|
0 << 9 | /* reserved */
|
SUPPORT_SET_MAX << 8 |
|
SUPPORT_SET_MAX << 8 |
|
0 << 7 | /* reserved for */
|
0 << 7 | /* reserved for */
|
/* project 1407DT */
|
/* project 1407DT */
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
SUPPORT_APM << 3 |
|
SUPPORT_APM << 3 |
|
SUPPORT_CFA << 2 |
|
SUPPORT_CFA << 2 |
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 |
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 |
|
SUPPORT_DOWNLOAD_MICROCODE << 0
|
SUPPORT_DOWNLOAD_MICROCODE << 0
|
;
|
;
|
|
|
/*
|
/*
|
word 84: Command set/feature supported
|
word 84: Command set/feature supported
|
*/
|
*/
|
*buf++ = 0 << 15 | /* cleared to zero */
|
*buf++ = 0 << 15 | /* cleared to zero */
|
1 << 14 /* set to one */
|
1 << 14 /* set to one */
|
; /* 0-13 reserved */
|
; /* 0-13 reserved */
|
|
|
/*
|
/*
|
word 85: Command set enabled FIXME
|
word 85: Command set enabled FIXME
|
*/
|
*/
|
*buf++ = 0 << 15 | /* obsolete */
|
*buf++ = 0 << 15 | /* obsolete */
|
SUPPORT_NOP_CMD << 14 |
|
SUPPORT_NOP_CMD << 14 |
|
SUPPORT_READ_BUFFER_CMD << 13 |
|
SUPPORT_READ_BUFFER_CMD << 13 |
|
SUPPORT_WRITE_BUFFER_CMD << 12 |
|
SUPPORT_WRITE_BUFFER_CMD << 12 |
|
0 << 11 | /* obsolete */
|
0 << 11 | /* obsolete */
|
SUPPORT_HOST_PROTECTED_AREA << 10 |
|
SUPPORT_HOST_PROTECTED_AREA << 10 |
|
SUPPORT_DEVICE_RESET_CMD << 9 |
|
SUPPORT_DEVICE_RESET_CMD << 9 |
|
SUPPORT_SERVICE_INTERRUPT << 8 |
|
SUPPORT_SERVICE_INTERRUPT << 8 |
|
SUPPORT_RELEASE_INTERRUPT << 7 |
|
SUPPORT_RELEASE_INTERRUPT << 7 |
|
SUPPORT_LOOKAHEAD << 6 |
|
SUPPORT_LOOKAHEAD << 6 |
|
SUPPORT_WRITE_CACHE << 5 |
|
SUPPORT_WRITE_CACHE << 5 |
|
0 << 4 | /* cleared to zero */
|
0 << 4 | /* cleared to zero */
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
SUPPORT_POWER_MANAGEMENT << 3 |
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
SUPPORT_REMOVABLE_MEDIA << 2 |
|
SUPPORT_SECURITY_MODE << 1 |
|
SUPPORT_SECURITY_MODE << 1 |
|
SUPPORT_SMART << 0
|
SUPPORT_SMART << 0
|
;
|
;
|
|
|
/*
|
/*
|
word 86: Command set enables
|
word 86: Command set enables
|
*/
|
*/
|
*buf++ = 0 << 9 | /* 15-9 reserved */
|
*buf++ = 0 << 9 | /* 15-9 reserved */
|
SUPPORT_SET_MAX << 8 |
|
SUPPORT_SET_MAX << 8 |
|
0 << 7 | /* reserved for */
|
0 << 7 | /* reserved for */
|
/* project 1407DT */
|
/* project 1407DT */
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
SET_FEATURES_REQUIRED_AFTER_POWER_UP << 6 |
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
SUPPORT_POWER_UP_IN_STANDBY_MODE << 5 |
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
SUPPORT_REMOVABLE_MEDIA_NOTIFICATION << 4 |
|
SUPPORT_APM << 3 |
|
SUPPORT_APM << 3 |
|
SUPPORT_CFA << 2 |
|
SUPPORT_CFA << 2 |
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 |
|
SUPPORT_READ_WRITE_DMA_QUEUED << 1 |
|
SUPPORT_DOWNLOAD_MICROCODE << 0
|
SUPPORT_DOWNLOAD_MICROCODE << 0
|
;
|
;
|
|
|
/*
|
/*
|
word 87: Command set/feature supported
|
word 87: Command set/feature supported
|
*/
|
*/
|
*buf++ = 0 << 15 | /* cleared to zero */
|
*buf++ = 0 << 15 | /* cleared to zero */
|
1 << 14 /* set to one */
|
1 << 14 /* set to one */
|
; /* 0-13 reserved */
|
; /* 0-13 reserved */
|
|
|
/*
|
/*
|
word 88: UltraDMA section
|
word 88: UltraDMA section
|
15-13: reserved
|
15-13: reserved
|
12 : 1=UltraDMA Mode 4 is selected
|
12 : 1=UltraDMA Mode 4 is selected
|
0=UltraDMA Mode 4 is not selected
|
0=UltraDMA Mode 4 is not selected
|
10 : 1=UltraDMA Mode 3 is selected
|
10 : 1=UltraDMA Mode 3 is selected
|
0=UltraDMA Mode 3 is not selected
|
0=UltraDMA Mode 3 is not selected
|
10 : 1=UltraDMA Mode 2 is selected
|
10 : 1=UltraDMA Mode 2 is selected
|
0=UltraDMA Mode 2 is not selected
|
0=UltraDMA Mode 2 is not selected
|
9 : 1=UltraDMA Mode 1 is selected
|
9 : 1=UltraDMA Mode 1 is selected
|
0=UltraDMA Mode 1 is not selected
|
0=UltraDMA Mode 1 is not selected
|
8 : 1=UltraDMA Mode 0 is selected
|
8 : 1=UltraDMA Mode 0 is selected
|
0=UltraDMA Mode 0 is not selected
|
0=UltraDMA Mode 0 is not selected
|
7-5 : Reserved
|
7-5 : Reserved
|
4 : UltraDMA Mode 4 and below are supported
|
4 : UltraDMA Mode 4 and below are supported
|
3 : UltraDMA Mode 3 and below are supported
|
3 : UltraDMA Mode 3 and below are supported
|
2 : UltraDMA Mode 2 and below are supported
|
2 : UltraDMA Mode 2 and below are supported
|
1 : UltraDMA Mode 1 and below are supported
|
1 : UltraDMA Mode 1 and below are supported
|
0 : UltraDMA Mode 0 is supported
|
0 : UltraDMA Mode 0 is supported
|
|
|
Because the OCIDEC cores currently do not support
|
Because the OCIDEC cores currently do not support
|
UltraDMA we set all bits to zero
|
UltraDMA we set all bits to zero
|
*/
|
*/
|
*buf++ = 0;
|
*buf++ = 0;
|
|
|
/*
|
/*
|
word 89: Security sector erase unit completion time
|
word 89: Security sector erase unit completion time
|
|
|
For now we report a 'value not specified'.
|
For now we report a 'value not specified'.
|
*/
|
*/
|
*buf++ = 0x0000; // not really a FIXME
|
*buf++ = 0x0000; // not really a FIXME
|
|
|
/*
|
/*
|
word 90: Enhanced security erase completion time
|
word 90: Enhanced security erase completion time
|
|
|
For now we report a 'value not specified'.
|
For now we report a 'value not specified'.
|
*/
|
*/
|
*buf++ = 0x0000; // not really a FIXME
|
*buf++ = 0x0000; // not really a FIXME
|
|
|
/*
|
/*
|
word 91: Current advanced power management value
|
word 91: Current advanced power management value
|
|
|
For now set it to zero.
|
For now set it to zero.
|
*/
|
*/
|
*buf++ = 0x0000; // FIXME
|
*buf++ = 0x0000; // FIXME
|
|
|
/*
|
/*
|
word 92: Master Password Revision Code.
|
word 92: Master Password Revision Code.
|
We simply report that we do not support this.
|
We simply report that we do not support this.
|
*/
|
*/
|
*buf++ = 0x0000;
|
*buf++ = 0x0000;
|
|
|
/*
|
/*
|
word 93: Hardware reset result
|
word 93: Hardware reset result
|
*/
|
*/
|
if (device->internals.dev)
|
if (device->internals.dev)
|
{
|
{
|
/* this is device1, clear device0 bits */
|
/* this is device1, clear device0 bits */
|
*buf++ = 0 << 15 |
|
*buf++ = 0 << 15 |
|
1 << 14 |
|
1 << 14 |
|
0 << 13 | /* CBLIBD level (1=Vih, 0=Vil) */
|
0 << 13 | /* CBLIBD level (1=Vih, 0=Vil) */
|
/* 12-8 Device 1 hardware reset result */
|
/* 12-8 Device 1 hardware reset result */
|
0 << 12 | /* reserved */
|
0 << 12 | /* reserved */
|
device->sigs.pdiago << 11 | /* 1: Device1 did assert PDIAG */
|
device->sigs.pdiago << 11 | /* 1: Device1 did assert PDIAG */
|
/* 0: Device1 did not assert PDIAG */
|
/* 0: Device1 did not assert PDIAG */
|
3 << 9 | /* Device1 determined device number by */
|
3 << 9 | /* Device1 determined device number by */
|
/* 00: reserved */
|
/* 00: reserved */
|
/* 01: a jumper was used */
|
/* 01: a jumper was used */
|
/* 10: the CSEL signal was used */
|
/* 10: the CSEL signal was used */
|
/* 11: some other or unknown method was used */
|
/* 11: some other or unknown method was used */
|
1 << 8 /* set to one */
|
1 << 8 /* set to one */
|
;
|
;
|
}
|
}
|
else
|
else
|
{ /* FIXME bit 6 */
|
{ /* FIXME bit 6 */
|
/* this is device0, clear device1 bits */
|
/* this is device0, clear device1 bits */
|
*buf++ = 0 << 7 | /* reserved */
|
*buf++ = 0 << 7 | /* reserved */
|
0 << 6 | /* 1: Device0 responds for device 1 */
|
0 << 6 | /* 1: Device0 responds for device 1 */
|
/* 0: Device0 does not respond for device1 */
|
/* 0: Device0 does not respond for device1 */
|
device->sigs.daspi << 5 | /* 1: Device0 did detected DASP assertion */
|
device->sigs.daspi << 5 | /* 1: Device0 did detected DASP assertion */
|
/* 0: Device0 did not detect DASP assertion */
|
/* 0: Device0 did not detect DASP assertion */
|
device->sigs.pdiagi << 4 | /* Device0 did detect PDIAG assertion */
|
device->sigs.pdiagi << 4 | /* Device0 did detect PDIAG assertion */
|
/* Device0 did not detect PDIAG assertion */
|
/* Device0 did not detect PDIAG assertion */
|
1 << 3 | /* Device0 did pass diagnostics */
|
1 << 3 | /* Device0 did pass diagnostics */
|
3 << 1 | /* Device0 determined device number by */
|
3 << 1 | /* Device0 determined device number by */
|
/* 00: reserved */
|
/* 00: reserved */
|
/* 01: a jumper was used */
|
/* 01: a jumper was used */
|
/* 10: the CSEL signal was used */
|
/* 10: the CSEL signal was used */
|
/* 11: some other or unknown method was used */
|
/* 11: some other or unknown method was used */
|
1 << 0 /* set to one */
|
1 << 0 /* set to one */
|
;
|
;
|
}
|
}
|
|
|
/*
|
/*
|
word 94-126: Reserved
|
word 94-126: Reserved
|
*/
|
*/
|
buf += 33;
|
buf += 33;
|
|
|
/*
|
/*
|
word 127: Removable Media Status Notification feature set support
|
word 127: Removable Media Status Notification feature set support
|
15-2: reserved
|
15-2: reserved
|
1-0: 00 Removable media Status Notification not supported
|
1-0: 00 Removable media Status Notification not supported
|
01 Removable media Status Notification supported
|
01 Removable media Status Notification supported
|
10 reserved
|
10 reserved
|
11 reserved
|
11 reserved
|
*/
|
*/
|
*buf++ = SUPPORT_REMOVABLE_MEDIA_NOTIFICATION;
|
*buf++ = SUPPORT_REMOVABLE_MEDIA_NOTIFICATION;
|
|
|
/*
|
/*
|
word 128: Security status
|
word 128: Security status
|
15-9: reserved
|
15-9: reserved
|
8 : Security level, 0=high, 1=maximum
|
8 : Security level, 0=high, 1=maximum
|
7-6 : reserved
|
7-6 : reserved
|
5 : 1=enhanced security erase supported
|
5 : 1=enhanced security erase supported
|
4 : 1=security count expired
|
4 : 1=security count expired
|
3 : 1=security frozen
|
3 : 1=security frozen
|
2 : 1=security locked
|
2 : 1=security locked
|
1 : 1=security enabled
|
1 : 1=security enabled
|
0 : security supported
|
0 : security supported
|
|
|
for now we do not support security, set is to zero
|
for now we do not support security, set is to zero
|
*/
|
*/
|
*buf++ = 0;
|
*buf++ = 0;
|
|
|
/*
|
/*
|
word 129-159: Vendor specific
|
word 129-159: Vendor specific
|
*/
|
*/
|
buf += 31;
|
buf += 31;
|
|
|
/*
|
/*
|
word 160: CFA power mode 1
|
word 160: CFA power mode 1
|
15 : Word 160 supported
|
15 : Word 160 supported
|
14 : reserved
|
14 : reserved
|
13 : CFA power mode 1 is required for one or more commands
|
13 : CFA power mode 1 is required for one or more commands
|
12 : CFA power mode 1 disabled
|
12 : CFA power mode 1 disabled
|
11-0: Maximum current in mA
|
11-0: Maximum current in mA
|
*/
|
*/
|
*buf++ = 0;
|
*buf++ = 0;
|
|
|
/*
|
/*
|
word 161-175: Reserved for the CompactFLASH Association
|
word 161-175: Reserved for the CompactFLASH Association
|
*/
|
*/
|
buf += 15;
|
buf += 15;
|
|
|
/*
|
/*
|
word 176-254: reserved
|
word 176-254: reserved
|
*/
|
*/
|
buf += 79;
|
buf += 79;
|
|
|
/*
|
/*
|
word 255: Integrity word
|
word 255: Integrity word
|
15-8: Checksum
|
15-8: Checksum
|
7-0 : Signature
|
7-0 : Signature
|
*/
|
*/
|
// set signature to indicate valid checksum
|
// set signature to indicate valid checksum
|
*buf = 0x00a5;
|
*buf = 0x00a5;
|
|
|
// calculate checksum
|
// calculate checksum
|
chksum = 0;
|
chksum = 0;
|
for (n=0; n < 511; n++)
|
for (n=0; n < 511; n++)
|
chksum += *chksum_buf++;
|
chksum += *chksum_buf++;
|
|
|
*buf = ( (0-chksum) << 8) | 0x00a5;
|
*buf = ( (0-chksum) << 8) | 0x00a5;
|
|
|
/* set status register bits */
|
/* set status register bits */
|
device->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
|
device->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
|
}
|
}
|
}
|
}
|
|
|
|
|
/*
|
/*
|
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
|
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
|
*/
|
*/
|
void ata_initialize_device_parameters_cmd(ata_device *device)
|
void ata_initialize_device_parameters_cmd(ata_device *device)
|
{
|
{
|
/* print debug information */
|
/* print debug information */
|
TRACE("executing command 'initialize device parameters'\n");
|
TRACE("executing command 'initialize device parameters'\n");
|
|
|
device->internals.sectors_per_track = device->regs.sector_count;
|
device->internals.sectors_per_track = device->regs.sector_count;
|
device->internals.heads_per_cylinder = device->regs.device_head & ATA_DHR_H;
|
device->internals.heads_per_cylinder = device->regs.device_head & ATA_DHR_H;
|
|
|
/* set status register bits */
|
/* set status register bits */
|
device->regs.status = 0;
|
device->regs.status = 0;
|
}
|
}
|
|
|
|
|
/*
|
/*
|
A T A _ R E A D _ S E C T O R S
|
A T A _ R E A D _ S E C T O R S
|
*/
|
*/
|
void ata_read_sectors_cmd(ata_device *device)
|
void ata_read_sectors_cmd(ata_device *device)
|
{
|
{
|
size_t sector_count;
|
size_t sector_count;
|
unsigned long lba;
|
unsigned long lba;
|
|
|
/* print debug information */
|
/* print debug information */
|
TRACE("executing command 'read sectors'\n");
|
TRACE("executing command 'read sectors'\n");
|
|
|
/* check if this is a NON-PACKET device */
|
/* check if this is a NON-PACKET device */
|
if (device->packet)
|
if (device->packet)
|
{
|
{
|
/*
|
/*
|
This is a PACKET device.
|
This is a PACKET device.
|
Respond by placing PACKET Command feature set signature in block registers.
|
Respond by placing PACKET Command feature set signature in block registers.
|
Abort command.
|
Abort command.
|
*/
|
*/
|
TRACE("'identify_device' command: This is a PACKET device\n");
|
TRACE("'identify_device' command: This is a PACKET device\n");
|
|
|
ata_set_device_signature(device, PACKET_SIGNATURE);
|
ata_set_device_signature(device, PACKET_SIGNATURE);
|
device->regs.status = ATA_SR_ERR;
|
device->regs.status = ATA_SR_ERR;
|
device->regs.error = ATA_ERR_ABT;
|
device->regs.error = ATA_ERR_ABT;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* get the sector count */
|
/* get the sector count */
|
if (device->regs.sector_count == 0)
|
if (device->regs.sector_count == 0)
|
sector_count = 256;
|
sector_count = 256;
|
else
|
else
|
sector_count = device->regs.sector_count;
|
sector_count = device->regs.sector_count;
|
|
|
/* check if we are using CHS or LBA translation, fill in the bits */
|
/* check if we are using CHS or LBA translation, fill in the bits */
|
if (device->regs.device_head & ATA_DHR_LBA)
|
if (device->regs.device_head & ATA_DHR_LBA)
|
{ /* we are using LBA translation */
|
{ /* we are using LBA translation */
|
lba = (device->regs.device_head & ATA_DHR_H) << 24 |
|
lba = (device->regs.device_head & ATA_DHR_H) << 24 |
|
(device->regs.cylinder_high ) << 16 |
|
(device->regs.cylinder_high ) << 16 |
|
(device->regs.cylinder_low ) << 8 |
|
(device->regs.cylinder_low ) << 8 |
|
device->regs.sector_number
|
device->regs.sector_number
|
;
|
;
|
}
|
}
|
else
|
else
|
{ /* we are using CHS translation, calculate lba address */
|
{ /* we are using CHS translation, calculate lba address */
|
lba = (device->regs.cylinder_high << 16) | device->regs.cylinder_low;
|
lba = (device->regs.cylinder_high << 16) | device->regs.cylinder_low;
|
lba *= device->internals.heads_per_cylinder;
|
lba *= device->internals.heads_per_cylinder;
|
lba += device->regs.device_head & ATA_DHR_H;
|
lba += device->regs.device_head & ATA_DHR_H;
|
lba *= device->internals.sectors_per_track;
|
lba *= device->internals.sectors_per_track;
|
lba += device->regs.sector_number;
|
lba += device->regs.sector_number;
|
lba -= 1;
|
lba -= 1;
|
}
|
}
|
|
|
/* check if sector within bounds */
|
/* check if sector within bounds */
|
if (lba > (device->size / BYTES_PER_SECTOR) )
|
if (lba > (device->size / BYTES_PER_SECTOR) )
|
{ /* invalid sector address */
|
{ /* invalid sector address */
|
/* set the status & error registers */
|
/* set the status & error registers */
|
device->regs.status = ATA_SR_DRDY | ATA_SR_ERR;
|
device->regs.status = ATA_SR_DRDY | ATA_SR_ERR;
|
device->regs.error = ATA_ERR_IDNF;
|
device->regs.error = ATA_ERR_IDNF;
|
}
|
}
|
else
|
else
|
{ /* go ahead, read the bytestream */
|
{ /* go ahead, read the bytestream */
|
lba *= BYTES_PER_SECTOR;
|
lba *= BYTES_PER_SECTOR;
|
|
|
/* set the file-positon pointer to the start of the sector */
|
/* set the file-positon pointer to the start of the sector */
|
fseek(device->stream, lba, SEEK_SET);
|
fseek(device->stream, lba, SEEK_SET);
|
|
|
/* get the bytes from the stream */
|
/* get the bytes from the stream */
|
fread(device->internals.dbuf, BYTES_PER_SECTOR, sector_count, device->stream);
|
fread(device->internals.dbuf, BYTES_PER_SECTOR, sector_count, device->stream);
|
|
|
/* set status register bits */
|
/* set status register bits */
|
device->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
|
device->regs.status = ATA_SR_DRDY | ATA_SR_DRQ;
|
|
|
/* reset the databuffer */
|
/* reset the databuffer */
|
device->internals.dbuf_cnt = sector_count * BYTES_PER_SECTOR /2; //Words, not bytes
|
device->internals.dbuf_cnt = sector_count * BYTES_PER_SECTOR /2; //Words, not bytes
|
device->internals.dbuf_ptr = device->internals.dbuf;
|
device->internals.dbuf_ptr = device->internals.dbuf;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
|
|
