arch/m68k-amiga/kernel/kernel_arch.h

   1 /*
   2  * Machine-specific definitions for Amiga(tm) hardware.
   3  */
   4
   5 /* Number of IRQs used in the machine. Needed by kernel_base.h */
   6 #define IRQ_COUNT 14
   7 #define HW_IRQ_COUNT IRQ_COUNT
   8
   9 /* We don't need to emulate VBlank, it's real hardware interrupt here */
  10 #define NO_VBLANK_EMU
  11
  12 #define ictl_enable_irq(irq, base)
  13 #define ictl_disable_irq(irq, base)
  14
  15 /* Amiga(tm) custom chips MMIO area */
  16 #define _CUSTOM 0xDFF000