xref: /openbmc/u-boot/include/ide.h (revision 30c6a241)
1 /*
2  * (C) Copyright 2000
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef	_IDE_H
25 #define _IDE_H
26 
27 #define	IDE_BUS(dev)	(dev >> 1)
28 
29 #define	ATA_CURR_BASE(dev)	(CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
30 
31 #ifdef CONFIG_IDE_LED
32 
33 /*
34  * LED Port
35  */
36 #define	LED_PORT	((uchar *)(PER8_BASE + 0x3000))
37 #define LED_IDE1	0x01
38 #define LED_IDE2	0x02
39 #define	DEVICE_LED(d)	((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
40 
41 #endif /* CONFIG_IDE_LED */
42 
43 #ifdef CFG_64BIT_LBA
44 typedef uint64_t lbaint_t;
45 #else
46 typedef ulong lbaint_t;
47 #endif
48 
49 /*
50  * Function Prototypes
51  */
52 
53 void ide_init(void);
54 ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
55 ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
56 
57 #endif /* _IDE_H */
58