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 void ide_led(uchar led, uchar status);
  27 #endif /* CONFIG_IDE_LED */
  28
  29 #ifdef CONFIG_SYS_64BIT_LBA
  30 typedef uint64_t lbaint_t;
  31 #define LBAFlength "ll"
  32 #else
  33 typedef ulong lbaint_t;
  34 #define LBAFlength "l"
  35 #endif
  36 #define LBAF "%" LBAFlength "x"
  37 #define LBAFU "%" LBAFlength "u"
  38
  39 /*
  40  * Function Prototypes
  41  */
  42
  43 void ide_init(void);
  44 typedef struct block_dev_desc block_dev_desc_t;
  45 ulong ide_read(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  46                void *buffer);
  47 ulong ide_write(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  48                 const void *buffer);
  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 */