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wdenk0f9cfa02002-08-27 10:38:37 +00001/*
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
Luka Perkov8a101802012-05-14 09:29:10 +000027#define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
wdenk0f9cfa02002-08-27 10:38:37 +000028
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020029#define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
Heiko Schocherf98984c2007-08-28 17:39:14 +020030
wdenk0f9cfa02002-08-27 10:38:37 +000031#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
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020043#ifdef CONFIG_SYS_64BIT_LBA
wdenkc40b2952004-03-13 23:29:43 +000044typedef uint64_t lbaint_t;
45#else
46typedef ulong lbaint_t;
47#endif
48
wdenk0f9cfa02002-08-27 10:38:37 +000049/*
50 * Function Prototypes
51 */
52
Grant Likely735dd972007-02-20 09:04:34 +010053void ide_init(void);
Tom Rini4ac8f8e2012-09-29 07:36:43 -070054ulong ide_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer);
55ulong ide_write(int device, ulong blknr, lbaint_t blkcnt, const void *buffer);
wdenk0f9cfa02002-08-27 10:38:37 +000056
Pavel Herrmann8d1165e11a2012-10-09 07:01:56 +000057#ifdef CONFIG_IDE_PREINIT
58int ide_preinit(void);
59#endif
60
61#ifdef CONFIG_IDE_INIT_POSTRESET
62int ide_init_postreset(void);
63#endif
64
Heiko Schocher3887c3f2009-09-23 07:56:08 +020065#if defined(CONFIG_OF_IDE_FIXUP)
66int ide_device_present(int dev);
67#endif
Macpaul Lin0abddf82011-04-11 20:45:32 +000068
69#if defined(CONFIG_IDE_AHB)
70unsigned char ide_read_register(int dev, unsigned int port);
71void ide_write_register(int dev, unsigned int port, unsigned char val);
72void ide_read_data(int dev, ulong *sect_buf, int words);
73void ide_write_data(int dev, ulong *sect_buf, int words);
74#endif
wdenk0f9cfa02002-08-27 10:38:37 +000075#endif /* _IDE_H */