include/ide.h

   1 /*
   2  * (C) Copyright 2000
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef _IDE_H
   9 #define _IDE_H
  10
  11 #include <blk.h>
  12
  13 #define IDE_BUS(dev)    (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
  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
  18 /*
  19  * Function Prototypes
  20  */
  21
  22 void ide_init(void);
  23 struct blk_desc;
  24 struct udevice;
  25 #ifdef CONFIG_BLK
  26 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  27                void *buffer);
  28 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  29                 const void *buffer);
  30 #else
  31 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  32                void *buffer);
  33 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  34                 const void *buffer);
  35 #endif
  36
  37 #ifdef CONFIG_IDE_PREINIT
  38 int ide_preinit(void);
  39 #endif
  40
  41 #if defined(CONFIG_OF_IDE_FIXUP)
  42 int ide_device_present(int dev);
  43 #endif
  44
  45 #if defined(CONFIG_IDE_AHB)
  46 unsigned char ide_read_register(int dev, unsigned int port);
  47 void ide_write_register(int dev, unsigned int port, unsigned char val);
  48 void ide_read_data(int dev, ulong *sect_buf, int words);
  49 void ide_write_data(int dev, const ulong *sect_buf, int words);
  50 #endif
  51
  52 /*
  53  * I/O function overrides
  54  */
  55 unsigned char ide_inb(int dev, int port);
  56 void ide_outb(int dev, int port, unsigned char val);
  57 void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  58 void ide_input_data(int dev, ulong *sect_buf, int words);
  59 void ide_output_data(int dev, const ulong *sect_buf, int words);
  60 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  61 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
  62
  63 void ide_led(uchar led, uchar status);
  64
  65 /**
  66  * board_start_ide() - Start up the board IDE interfac
  67  *
  68  * @return 0 if ok
  69  */
  70 int board_start_ide(void);
  71
  72 #endif /* _IDE_H */