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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / badb99220a42f88bc823c884e487657bfe734a4d / . / include / ide.h
blob: 4d788912f2a5105d7bf99c9ce7ee624b590710a5 [file] [log] [blame]
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]1/*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]6 */
7
8#ifndef _IDE_H
9#define _IDE_H
10
Simon Glass1a736612016-02-29 15:25:39 -0700[diff] [blame]11#include <blk.h>
12
Luka Perkov8a101802012-05-14 09:29:10 +0000[diff] [blame]13#define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]14
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200[diff] [blame]15#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]16extern ulong ide_bus_offset[];
Heiko Schocherf98984c2007-08-28 17:39:14 +0200[diff] [blame]17
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]18/*
19 * Function Prototypes
20 */
21
Grant Likely735dd972007-02-20 09:04:34 +0100[diff] [blame]22void ide_init(void);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]23struct blk_desc;
Simon Glass145df842016-05-01 11:36:22 -0600[diff] [blame]24struct udevice;
25#ifdef CONFIG_BLK
26ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
27 void *buffer);
28ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
29 const void *buffer);
30#else
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]31ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Stephen Warren7c4213f2015-12-07 11:38:48 -0700[diff] [blame]32 void *buffer);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]33ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Sascha Silbeff8fef52013-06-14 13:07:25 +0200[diff] [blame]34 const void *buffer);
Simon Glass145df842016-05-01 11:36:22 -0600[diff] [blame]35#endif
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]36
Pavel Herrmann8d1165e11a2012-10-09 07:01:56 +0000[diff] [blame]37#ifdef CONFIG_IDE_PREINIT
38int ide_preinit(void);
39#endif
40
Heiko Schocher3887c3f2009-09-23 07:56:08 +0200[diff] [blame]41#if defined(CONFIG_OF_IDE_FIXUP)
42int ide_device_present(int dev);
43#endif
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]44
45#if defined(CONFIG_IDE_AHB)
46unsigned char ide_read_register(int dev, unsigned int port);
47void ide_write_register(int dev, unsigned int port, unsigned char val);
48void ide_read_data(int dev, ulong *sect_buf, int words);
Gabor Juhosc5751802013-05-26 12:11:28 +0200[diff] [blame]49void ide_write_data(int dev, const ulong *sect_buf, int words);
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]50#endif
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]51
52/*
53 * I/O function overrides
54 */
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]55unsigned char ide_inb(int dev, int port);
56void ide_outb(int dev, int port, unsigned char val);
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]57void ide_input_swap_data(int dev, ulong *sect_buf, int words);
58void ide_input_data(int dev, ulong *sect_buf, int words);
59void ide_output_data(int dev, const ulong *sect_buf, int words);
60void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
61void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
62
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]63void ide_led(uchar led, uchar status);
64
Simon Glassc2240d42013-03-14 07:20:12 +0000[diff] [blame]65/**
66 * board_start_ide() - Start up the board IDE interfac
67 *
68 * @return 0 if ok
69 */
70int board_start_ide(void);
71
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]72#endif /* _IDE_H */