2008-04-24 20:08:28 +00:00
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Maurus Cuelenaere
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef ATA_TARGET_H
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#define ATA_TARGET_H
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2008-05-03 13:43:26 +00:00
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/* ASM optimized reading and writing */
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#define ATA_OPTIMIZED_READING
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#define ATA_OPTIMIZED_WRITING
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void copy_read_sectors(unsigned char* buf, int wordcount);
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void copy_write_sectors(const unsigned char* buf, int wordcount);
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2008-04-24 20:08:28 +00:00
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2008-05-03 13:43:26 +00:00
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/* General purpose memory region #1 */
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2008-04-24 20:08:28 +00:00
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#define ATA_IOBASE 0x50FEE000
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#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE)))
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#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE+0x2)))
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#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE+0x4)))
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#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE+0x6)))
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#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE+0x8)))
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#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE+0xA)))
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#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE+0xC)))
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#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE+0xE)))
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#define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE+0x800C)))
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#define STATUS_BSY 0x80
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#define STATUS_RDY 0x40
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#define STATUS_DF 0x20
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#define STATUS_DRQ 0x08
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#define STATUS_ERR 0x01
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#define ERROR_ABRT 0x04
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#define WRITE_PATTERN1 0xa5
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#define WRITE_PATTERN2 0x5a
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#define WRITE_PATTERN3 0xaa
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#define WRITE_PATTERN4 0x55
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#define READ_PATTERN1 0xa5
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#define READ_PATTERN2 0x5a
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#define READ_PATTERN3 0xaa
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#define READ_PATTERN4 0x55
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#define READ_PATTERN1_MASK 0xff
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#define READ_PATTERN2_MASK 0xff
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#define READ_PATTERN3_MASK 0xff
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#define READ_PATTERN4_MASK 0xff
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#define SET_REG(reg,val) reg = (val)
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#define SET_16BITREG(reg,val) reg = (val)
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void ata_reset(void);
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void ata_device_init(void);
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bool ata_is_coldstart(void);
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void ide_power_enable(bool on);
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#endif
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