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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / acb021e48c619b49029102acc781e904c6471c86 / . / include / ide.h
blob: 1b37d67992c021221d00c4695dab3a056a955d84 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]2/*
3 * (C) Copyright 2000
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]5 */
6
7#ifndef _IDE_H
8#define _IDE_H
9
Simon Glass1a736612016-02-29 15:25:39 -0700[diff] [blame]10#include <blk.h>
11
Luka Perkov8a101802012-05-14 09:29:10 +0000[diff] [blame]12#define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]13
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200[diff] [blame]14#define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]15extern ulong ide_bus_offset[];
Heiko Schocherf98984c2007-08-28 17:39:14 +0200[diff] [blame]16
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]17/*
18 * Function Prototypes
19 */
20
Grant Likely735dd972007-02-20 09:04:34 +0100[diff] [blame]21void ide_init(void);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]22struct blk_desc;
Simon Glass145df842016-05-01 11:36:22 -0600[diff] [blame]23struct udevice;
24#ifdef CONFIG_BLK
25ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
26 void *buffer);
27ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
28 const void *buffer);
29#else
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]30ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Stephen Warren7c4213f2015-12-07 11:38:48 -0700[diff] [blame]31 void *buffer);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]32ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Sascha Silbeff8fef52013-06-14 13:07:25 +0200[diff] [blame]33 const void *buffer);
Simon Glass145df842016-05-01 11:36:22 -0600[diff] [blame]34#endif
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]35
Pavel Herrmann8d1165e11a2012-10-09 07:01:56 +0000[diff] [blame]36#ifdef CONFIG_IDE_PREINIT
37int ide_preinit(void);
38#endif
39
Heiko Schocher3887c3f2009-09-23 07:56:08 +0200[diff] [blame]40#if defined(CONFIG_OF_IDE_FIXUP)
41int ide_device_present(int dev);
42#endif
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]43
44#if defined(CONFIG_IDE_AHB)
45unsigned char ide_read_register(int dev, unsigned int port);
46void ide_write_register(int dev, unsigned int port, unsigned char val);
47void ide_read_data(int dev, ulong *sect_buf, int words);
Gabor Juhosc5751802013-05-26 12:11:28 +0200[diff] [blame]48void ide_write_data(int dev, const ulong *sect_buf, int words);
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]49#endif
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]50
51/*
52 * I/O function overrides
53 */
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]54unsigned char ide_inb(int dev, int port);
55void ide_outb(int dev, int port, unsigned char val);
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]56void ide_input_swap_data(int dev, ulong *sect_buf, int words);
57void ide_input_data(int dev, ulong *sect_buf, int words);
58void ide_output_data(int dev, const ulong *sect_buf, int words);
59void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
60void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
61
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]62void ide_led(uchar led, uchar status);
63
Simon Glassc2240d42013-03-14 07:20:12 +0000[diff] [blame]64/**
65 * board_start_ide() - Start up the board IDE interfac
66 *
67 * @return 0 if ok
68 */
69int board_start_ide(void);
70
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]71#endif /* _IDE_H */