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 #define IDE_BUS(dev)    (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
  12
  13 #define ATA_CURR_BASE(dev)      (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
  14 extern ulong ide_bus_offset[];
  15
  16 #ifdef CONFIG_IDE_LED
  17
  18 /*
  19  * LED Port
  20  */
  21 #define LED_PORT        ((uchar *)(PER8_BASE + 0x3000))
  22 #define LED_IDE1        0x01
  23 #define LED_IDE2        0x02
  24 #define DEVICE_LED(d)   ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
  25
  26 #endif /* CONFIG_IDE_LED */
  27
  28 #ifdef CONFIG_SYS_64BIT_LBA
  29 typedef uint64_t lbaint_t;
  30 #define LBAF "%llx"
  31 #define LBAFU "%llu"
  32 #else
  33 typedef ulong lbaint_t;
  34 #define LBAF "%lx"
  35 #define LBAFU "%lu"
  36 #endif
  37
  38 /*
  39  * Function Prototypes
  40  */
  41
  42 void ide_init(void);
  43 ulong ide_read(int device, lbaint_t blknr, lbaint_t blkcnt, void *buffer);
  44 ulong ide_write(int device, lbaint_t blknr, lbaint_t blkcnt,
  45                 const void *buffer);
  46
  47 #ifdef CONFIG_IDE_PREINIT
  48 int ide_preinit(void);
  49 #endif
  50
  51 #ifdef CONFIG_IDE_INIT_POSTRESET
  52 int ide_init_postreset(void);
  53 #endif
  54
  55 #if defined(CONFIG_OF_IDE_FIXUP)
  56 int ide_device_present(int dev);
  57 #endif
  58
  59 #if defined(CONFIG_IDE_AHB)
  60 unsigned char ide_read_register(int dev, unsigned int port);
  61 void ide_write_register(int dev, unsigned int port, unsigned char val);
  62 void ide_read_data(int dev, ulong *sect_buf, int words);
  63 void ide_write_data(int dev, const ulong *sect_buf, int words);
  64 #endif
  65
  66 /*
  67  * I/O function overrides
  68  */
  69 void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  70 void ide_input_data(int dev, ulong *sect_buf, int words);
  71 void ide_output_data(int dev, const ulong *sect_buf, int words);
  72 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  73 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
  74
  75 /**
  76  * board_start_ide() - Start up the board IDE interfac
  77  *
  78  * @return 0 if ok
  79  */
  80 int board_start_ide(void);
  81
  82 #endif /* _IDE_H */