ide.h 2.2 KB

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  1. /*
  2. * (C) Copyright 2000
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. #ifndef _IDE_H
  8. #define _IDE_H
  9. #define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
  10. #define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
  11. extern ulong ide_bus_offset[];
  12. #ifdef CONFIG_IDE_LED
  13. /*
  14. * LED Port
  15. */
  16. #define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
  17. #define LED_IDE1 0x01
  18. #define LED_IDE2 0x02
  19. #define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
  20. void ide_led(uchar led, uchar status);
  21. #endif /* CONFIG_IDE_LED */
  22. #ifdef CONFIG_SYS_64BIT_LBA
  23. typedef uint64_t lbaint_t;
  24. #define LBAFlength "ll"
  25. #else
  26. typedef ulong lbaint_t;
  27. #define LBAFlength "l"
  28. #endif
  29. #define LBAF "%" LBAFlength "x"
  30. #define LBAFU "%" LBAFlength "u"
  31. /*
  32. * Function Prototypes
  33. */
  34. void ide_init(void);
  35. typedef struct block_dev_desc block_dev_desc_t;
  36. ulong ide_read(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  37. void *buffer);
  38. ulong ide_write(block_dev_desc_t *block_dev, lbaint_t blknr, lbaint_t blkcnt,
  39. const void *buffer);
  40. #ifdef CONFIG_IDE_PREINIT
  41. int ide_preinit(void);
  42. #endif
  43. #ifdef CONFIG_IDE_INIT_POSTRESET
  44. int ide_init_postreset(void);
  45. #endif
  46. #if defined(CONFIG_OF_IDE_FIXUP)
  47. int ide_device_present(int dev);
  48. #endif
  49. #if defined(CONFIG_IDE_AHB)
  50. unsigned char ide_read_register(int dev, unsigned int port);
  51. void ide_write_register(int dev, unsigned int port, unsigned char val);
  52. void ide_read_data(int dev, ulong *sect_buf, int words);
  53. void ide_write_data(int dev, const ulong *sect_buf, int words);
  54. #endif
  55. /*
  56. * I/O function overrides
  57. */
  58. unsigned char ide_inb(int dev, int port);
  59. void ide_outb(int dev, int port, unsigned char val);
  60. void ide_input_swap_data(int dev, ulong *sect_buf, int words);
  61. void ide_input_data(int dev, ulong *sect_buf, int words);
  62. void ide_output_data(int dev, const ulong *sect_buf, int words);
  63. void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
  64. void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
  65. void ide_led(uchar led, uchar status);
  66. /**
  67. * board_start_ide() - Start up the board IDE interfac
  68. *
  69. * @return 0 if ok
  70. */
  71. int board_start_ide(void);
  72. #endif /* _IDE_H */