include/mpc8260_irq.h

   1 #ifndef _MPC8260_IRQ_H
   2 #define _MPC8260_IRQ_H
   3
   4 /****************************************************************************/
   5 /* most of this was ripped out of include/asm-ppc/irq.h from the Linux/PPC  */
   6 /* source. There was no copyright information in the file.                  */
   7
   8 /*
   9  * this is the # irq's for all ppc arch's (pmac/chrp/prep)
  10  * so it is the max of them all
  11  *
  12  * [let's just worry about 8260 for now - mjj]
  13  */
  14 #define NR_IRQS                 64
  15
  16 /* The 8260 has an internal interrupt controller with a maximum of
  17  * 64 IRQs.  We will use NR_IRQs from above since it is large enough.
  18  * Don't be confused by the 8260 documentation where they list an
  19  * "interrupt number" and "interrupt vector".  We are only interested
  20  * in the interrupt vector.  There are "reserved" holes where the
  21  * vector number increases, but the interrupt number in the table does not.
  22  * (Document errata updates have fixed this...make sure you have up to
  23  * date processor documentation -- Dan).
  24  */
  25 #define NR_SIU_INTS     64
  26
  27 /* There are many more than these, we will add them as we need them.
  28 */
  29 #define SIU_INT_SMC1            ((uint)0x04)
  30 #define SIU_INT_SMC2            ((uint)0x05)
  31 #define SIU_INT_IRQ1            ((uint)0x13)
  32 #define SIU_INT_IRQ2            ((uint)0x14)
  33 #define SIU_INT_IRQ3            ((uint)0x15)
  34 #define SIU_INT_IRQ4            ((uint)0x16)
  35 #define SIU_INT_IRQ5            ((uint)0x17)
  36 #define SIU_INT_IRQ6            ((uint)0x18)
  37 #define SIU_INT_IRQ7            ((uint)0x19)
  38 #define SIU_INT_FCC1            ((uint)0x20)
  39 #define SIU_INT_FCC2            ((uint)0x21)
  40 #define SIU_INT_FCC3            ((uint)0x22)
  41 #define SIU_INT_SCC1            ((uint)0x28)
  42 #define SIU_INT_SCC2            ((uint)0x29)
  43 #define SIU_INT_SCC3            ((uint)0x2a)
  44 #define SIU_INT_SCC4            ((uint)0x2b)
  45
  46 #define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
  47
  48 #endif /* _MPC8260_IRQ_H */