64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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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
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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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _IDE_H
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#define _IDE_H
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#define IDE_BUS(dev) (dev >> 1)
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#ifdef CONFIG_IDE_LED
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/*
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* LED Port
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*/
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#define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
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#define LED_IDE1 0x01
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#define LED_IDE2 0x02
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#define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
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#endif /* CONFIG_IDE_LED */
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#ifdef CFG_64BIT_LBA
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typedef uint64_t lbaint_t;
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#define IDE_BLOCK_NUMBER_MASK 0x0000fffff0000000
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#define LBA_LOW_REG_SHIFT 24
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#define LBA_MID_REG_SHIFT 32
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#define LBA_HIGH_REG_SHIFT 40
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#else
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typedef ulong lbaint_t;
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#define IDE_BLOCK_NUMBER_MASK 0xf0000000
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#define LBA_LOW_REG_SHIFT 24
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#define LBA_MID_REG_SHIFT 0
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#define LBA_HIGH_REG_SHIFT 0
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#endif
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/*
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* Function Prototypes
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*/
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void ide_init (void);
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ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
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ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
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#endif /* _IDE_H */
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