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 #ifdef CONFIG_IDE_LED
  19
  20 /*
  21  * LED Port
  22  */
  23 #define LED_PORT        ((uchar *)(PER8_BASE + 0x3000))
  24 #define LED_IDE1        0x01
  25 #define LED_IDE2        0x02
  26 #define DEVICE_LED(d)   ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
  27
  28 void ide_led(uchar led, uchar status);
  29 #endif /* CONFIG_IDE_LED */
  30
  31 /*
  32  * Function Prototypes
  33  */
  34
  35 void ide_init(void);
  36 struct blk_desc;
  37 struct udevice;
  38 #ifdef CONFIG_BLK
  39 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  40                void *buffer);
  41 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
  42                 const void *buffer);
  43 #else
  44 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  45                void *buffer);
  46 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  47                 const void *buffer);
  48 #endif
  49
  50 #ifdef CONFIG_IDE_PREINIT
  51 int ide_preinit(void);
  52 #endif
  53
  54 #ifdef CONFIG_IDE_INIT_POSTRESET
  55 int ide_init_postreset(void);
  56 #endif
  57
  58 #if defined(CONFIG_OF_IDE_FIXUP)
  59 int ide_device_present(int dev);
  60 #endif
  61
  62 #if defined(CONFIG_IDE_AHB)
  63 unsigned char ide_read_register(int dev, unsigned int port);
  64 void ide_write_register(int dev, unsigned int port, unsigned char val);
  65 void ide_read_data(int dev, ulong *sect_buf, int words);
  66 void ide_write_data(int dev, const ulong *sect_buf, int words);
  67 #endif
  68
  69 /*
  70  * I/O function overrides
  71  */
  72 unsigned char ide_inb(int dev, int port);
  73 void ide_outb(int dev, int port, unsigned char val);
  74 void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  75 void ide_input_data(int dev, ulong *sect_buf, int words);
  76 void ide_output_data(int dev, const ulong *sect_buf, int words);
  77 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  78 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
  79
  80 void ide_led(uchar led, uchar status);
  81
  82 /**
  83  * board_start_ide() - Start up the board IDE interfac
  84  *
  85  * @return 0 if ok
  86  */
  87 int board_start_ide(void);
  88
  89 #endif /* _IDE_H */