LXR uboot/include/ide.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * (C) Copyright 2000
   4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5 */
   6
   7#ifndef _IDE_H
   8#define _IDE_H
   9
  10#include <blk.h>
  11
  12#define IDE_BUS(dev)    (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
  13
  14#define ATA_CURR_BASE(dev)      (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
  15extern ulong ide_bus_offset[];
  16
  17/*
  18 * Function Prototypes
  19 */
  20
  21void ide_init(void);
  22struct blk_desc;
  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
  30ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  31               void *buffer);
  32ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  33                const void *buffer);
  34#endif
  35
  36#ifdef CONFIG_IDE_PREINIT
  37int ide_preinit(void);
  38#endif
  39
  40#if defined(CONFIG_OF_IDE_FIXUP)
  41int ide_device_present(int dev);
  42#endif
  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);
  48void ide_write_data(int dev, const ulong *sect_buf, int words);
  49#endif
  50
  51/*
  52 * I/O function overrides
  53 */
  54unsigned char ide_inb(int dev, int port);
  55void ide_outb(int dev, int port, unsigned char val);
  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
  62void ide_led(uchar led, uchar status);
  63
  64/**
  65 * board_start_ide() - Start up the board IDE interfac
  66 *
  67 * @return 0 if ok
  68 */
  69int board_start_ide(void);
  70
  71#endif /* _IDE_H */
  72