diff options
Diffstat (limited to 'include/mpc8260_irq.h')
-rw-r--r-- | include/mpc8260_irq.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/mpc8260_irq.h b/include/mpc8260_irq.h new file mode 100644 index 0000000..046dd32 --- /dev/null +++ b/include/mpc8260_irq.h @@ -0,0 +1,41 @@ +#ifndef _MPC8260_IRQ_H +#define _MPC8260_IRQ_H + +/****************************************************************************/ +/* most of this was ripped out of include/asm-ppc/irq.h from the Linux/PPC */ +/* source. There was no copyright information in the file. */ + +/* + * this is the # irq's for all ppc arch's (pmac/chrp/prep) + * so it is the max of them all + * + * [let's just worry about 8260 for now - mjj] + */ +#define NR_IRQS 64 + +/* The 8260 has an internal interrupt controller with a maximum of + * 64 IRQs. We will use NR_IRQs from above since it is large enough. + * Don't be confused by the 8260 documentation where they list an + * "interrupt number" and "interrupt vector". We are only interested + * in the interrupt vector. There are "reserved" holes where the + * vector number increases, but the interrupt number in the table does not. + * (Document errata updates have fixed this...make sure you have up to + * date processor documentation -- Dan). + */ +#define NR_SIU_INTS 64 + +/* There are many more than these, we will add them as we need them. +*/ +#define SIU_INT_SMC1 ((uint)0x04) +#define SIU_INT_SMC2 ((uint)0x05) +#define SIU_INT_FCC1 ((uint)0x20) +#define SIU_INT_FCC2 ((uint)0x21) +#define SIU_INT_FCC3 ((uint)0x22) +#define SIU_INT_SCC1 ((uint)0x28) +#define SIU_INT_SCC2 ((uint)0x29) +#define SIU_INT_SCC3 ((uint)0x2a) +#define SIU_INT_SCC4 ((uint)0x2b) + +#define NR_MASK_WORDS ((NR_IRQS + 31) / 32) + +#endif /* _MPC8260_IRQ_H */ |