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
  44 typedef uint64_t lbaint_t;
  45 #else
  46 typedef ulong lbaint_t;
  47 #endif
  48
  49 /*
  50  * Function Prototypes
  51  */
  52
  53 void ide_init(void);
  54 ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
  55 ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
  56
  57 #if defined(CONFIG_OF_IDE_FIXUP)
  58 int ide_device_present(int dev);
  59 #endif
  60 #endif /* _IDE_H */