LXR uboot/include/ide.h

   1/*
   2 * (C) Copyright 2000
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#ifndef _IDE_H
  25#define _IDE_H
  26
  27#define IDE_BUS(dev)    (dev >> 1)
  28
  29#define ATA_CURR_BASE(dev)      (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
  30
  31#ifdef CONFIG_IDE_LED
  32
  33/*
  34 * LED Port
  35 */
  36#define LED_PORT        ((uchar *)(PER8_BASE + 0x3000))
  37#define LED_IDE1        0x01
  38#define LED_IDE2        0x02
  39#define DEVICE_LED(d)   ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
  40
  41#endif /* CONFIG_IDE_LED */
  42
  43#ifdef CONFIG_SYS_64BIT_LBA
  44typedef uint64_t lbaint_t;
  45#else
  46typedef ulong lbaint_t;
  47#endif
  48
  49/*
  50 * Function Prototypes
  51 */
  52
  53void ide_init(void);
  54ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
  55ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, const void *buffer);
  56
  57#if defined(CONFIG_OF_IDE_FIXUP)
  58int ide_device_present(int dev);
  59#endif
  60
  61#if defined(CONFIG_IDE_AHB)
  62unsigned char ide_read_register(int dev, unsigned int port);
  63void ide_write_register(int dev, unsigned int port, unsigned char val);
  64void ide_read_data(int dev, ulong *sect_buf, int words);
  65void ide_write_data(int dev, ulong *sect_buf, int words);
  66#endif
  67#endif /* _IDE_H */
  68