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ide.h
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
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Code Size: 1k
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Linux-Unix program

Development Platform:

Unix_Linux

ide.h：Code Content
  1. /*
  2.  * linux/include/asm-arm/arch-shark/ide.h
  3.  *
  4.  * by Alexander Schulz
  5.  *
  6.  * derived from:
  7.  * linux/include/asm-arm/arch-ebsa285/ide.h
  8.  * Copyright (c) 1998 Russell King
  9.  */
  11. #include <asm/irq.h>
  13. /*
  14.  * Set up a hw structure for a specified data port, control port and IRQ.
  15.  * This should follow whatever the default interface uses.
  16.  */
  17. static __inline__ void
  18. ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq)
  19. {
  20. ide_ioreg_t reg = (ide_ioreg_t) data_port;
  21. int i;
  23. memset(hw, 0, sizeof(*hw));
  25. for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
  26. hw->io_ports[i] = reg;
  27. reg += 1;
  28. }
  29. hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;
  30. if (irq)
  31. *irq = 0;
  32. }
  34. /*
  35.  * This registers the standard ports for this architecture with the IDE
  36.  * driver.
  37.  */
  38. static __inline__ void
  39. ide_init_default_hwifs(void)
  40. {
  41. hw_regs_t hw;
  43. ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
  44. hw.irq = 14;
  45. ide_register_hw(&hw, NULL);
  46. }