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wdenk0f89ba42000-11-16 20:23:11 +00001#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_FCC1 ((uint)0x20)
32#define SIU_INT_FCC2 ((uint)0x21)
33#define SIU_INT_FCC3 ((uint)0x22)
34#define SIU_INT_SCC1 ((uint)0x28)
35#define SIU_INT_SCC2 ((uint)0x29)
36#define SIU_INT_SCC3 ((uint)0x2a)
37#define SIU_INT_SCC4 ((uint)0x2b)
38
39#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
40
41#endif /* _MPC8260_IRQ_H */