ide.h 1.99 KB
Newer Older
wdenk's avatar
wdenk committed
1 2 3 4
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
5
 * SPDX-License-Identifier:	GPL-2.0+
wdenk's avatar
wdenk committed
6 7 8 9 10
 */

#ifndef	_IDE_H
#define _IDE_H

11 12
#include <blk.h>

13
#define IDE_BUS(dev)	(dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
wdenk's avatar
wdenk committed
14

15
#define	ATA_CURR_BASE(dev)	(CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
16
extern ulong ide_bus_offset[];
17

wdenk's avatar
wdenk committed
18 19 20 21 22 23 24 25 26 27
#ifdef CONFIG_IDE_LED

/*
 * LED Port
 */
#define	LED_PORT	((uchar *)(PER8_BASE + 0x3000))
#define LED_IDE1	0x01
#define LED_IDE2	0x02
#define	DEVICE_LED(d)	((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */

28
void ide_led(uchar led, uchar status);
wdenk's avatar
wdenk committed
29 30 31 32 33 34
#endif /* CONFIG_IDE_LED */

/*
 * Function Prototypes
 */

35
void ide_init(void);
36 37
struct blk_desc;
ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
38
	       void *buffer);
39
ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
40
		const void *buffer);
wdenk's avatar
wdenk committed
41

42 43 44 45 46 47 48 49
#ifdef CONFIG_IDE_PREINIT
int ide_preinit(void);
#endif

#ifdef CONFIG_IDE_INIT_POSTRESET
int ide_init_postreset(void);
#endif

50 51 52
#if defined(CONFIG_OF_IDE_FIXUP)
int ide_device_present(int dev);
#endif
53 54 55 56 57

#if defined(CONFIG_IDE_AHB)
unsigned char ide_read_register(int dev, unsigned int port);
void ide_write_register(int dev, unsigned int port, unsigned char val);
void ide_read_data(int dev, ulong *sect_buf, int words);
58
void ide_write_data(int dev, const ulong *sect_buf, int words);
59
#endif
60 61 62 63

/*
 * I/O function overrides
 */
64 65
unsigned char ide_inb(int dev, int port);
void ide_outb(int dev, int port, unsigned char val);
66 67 68 69 70 71
void ide_input_swap_data(int dev, ulong *sect_buf, int words);
void ide_input_data(int dev, ulong *sect_buf, int words);
void ide_output_data(int dev, const ulong *sect_buf, int words);
void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);

72 73
void ide_led(uchar led, uchar status);

Simon Glass's avatar
Simon Glass committed
74 75 76 77 78 79 80
/**
 * board_start_ide() - Start up the board IDE interfac
 *
 * @return 0 if ok
 */
int board_start_ide(void);

wdenk's avatar
wdenk committed
81
#endif /* _IDE_H */