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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 7e10a7c3bc382ff79bb6746944a0a4a0073a0faf / . / include / ide.h
blob: a4e65cf2a9420dbc7523c6d2ae9b91ce6c87209e [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#ifdef CONFIG_IDE_LED
19
20/*
21 * LED Port
22 */
23#define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
24#define LED_IDE1 0x01
25#define LED_IDE2 0x02
26#define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
27
Jeroen Hofstee611aee22014-10-08 22:58:04 +0200[diff] [blame]28void ide_led(uchar led, uchar status);
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]29#endif /* CONFIG_IDE_LED */
30
31/*
32 * Function Prototypes
33 */
34
Grant Likely735dd972007-02-20 09:04:34 +0100[diff] [blame]35void ide_init(void);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]36struct blk_desc;
37ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Stephen Warren7c4213f2015-12-07 11:38:48 -0700[diff] [blame]38 void *buffer);
Simon Glass4101f682016-02-29 15:25:34 -0700[diff] [blame]39ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
Sascha Silbeff8fef52013-06-14 13:07:25 +0200[diff] [blame]40 const void *buffer);
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]41
Pavel Herrmann8d1165e11a2012-10-09 07:01:56 +0000[diff] [blame]42#ifdef CONFIG_IDE_PREINIT
43int ide_preinit(void);
44#endif
45
46#ifdef CONFIG_IDE_INIT_POSTRESET
47int ide_init_postreset(void);
48#endif
49
Heiko Schocher3887c3f2009-09-23 07:56:08 +0200[diff] [blame]50#if defined(CONFIG_OF_IDE_FIXUP)
51int ide_device_present(int dev);
52#endif
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]53
54#if defined(CONFIG_IDE_AHB)
55unsigned char ide_read_register(int dev, unsigned int port);
56void ide_write_register(int dev, unsigned int port, unsigned char val);
57void ide_read_data(int dev, ulong *sect_buf, int words);
Gabor Juhosc5751802013-05-26 12:11:28 +0200[diff] [blame]58void ide_write_data(int dev, const ulong *sect_buf, int words);
Macpaul Lin0abddf82011-04-11 20:45:32 +0000[diff] [blame]59#endif
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]60
61/*
62 * I/O function overrides
63 */
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]64unsigned char ide_inb(int dev, int port);
65void ide_outb(int dev, int port, unsigned char val);
Pavel Herrmannf5b82c02012-10-09 07:04:39 +0000[diff] [blame]66void ide_input_swap_data(int dev, ulong *sect_buf, int words);
67void ide_input_data(int dev, ulong *sect_buf, int words);
68void ide_output_data(int dev, const ulong *sect_buf, int words);
69void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
70void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
71
Jeroen Hofstee288afdc2014-07-12 15:07:19 +0200[diff] [blame]72void ide_led(uchar led, uchar status);
73
Simon Glassc2240d42013-03-14 07:20:12 +0000[diff] [blame]74/**
75 * board_start_ide() - Start up the board IDE interfac
76 *
77 * @return 0 if ok
78 */
79int board_start_ide(void);
80
wdenk0f9cfa02002-08-27 10:38:37 +0000[diff] [blame]81#endif /* _IDE_H */