diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2004-02-06 14:34:35 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2004-02-06 14:34:35 +1100 |
| commit | 3e74492e6c6cee6a96dadebda156982776ba4d5c (patch) | |
| tree | 416f4773e7b5c309383122a34a64a6f4a26ee0f7 /include | |
| parent | e286560c9e184c28608cc127f9ad5b7e92c2b0b1 (diff) | |
ppc32: PowerMac G5 interrupt management
The cascaded northbridge MPIC is currently dealt with a special
modified version of open_pic.c (open_pic2.c). A better mecanism
will have to be found for 2.7
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-ppc/open_pic.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/include/asm-ppc/open_pic.h b/include/asm-ppc/open_pic.h index 1986cddd13e4..094f45e9be6c 100644 --- a/include/asm-ppc/open_pic.h +++ b/include/asm-ppc/open_pic.h @@ -21,8 +21,8 @@ * Non-offset'ed vector numbers */ -#define OPENPIC_VEC_TIMER 64 /* and up */ -#define OPENPIC_VEC_IPI 72 /* and up */ +#define OPENPIC_VEC_TIMER 110 /* and up */ +#define OPENPIC_VEC_IPI 118 /* and up */ #define OPENPIC_VEC_SPURIOUS 127 /* OpenPIC IRQ controller structure */ @@ -51,6 +51,7 @@ extern void openpic_setup_ISU(int isu_num, unsigned long addr); extern void openpic_cause_IPI(u_int ipi, u_int cpumask); extern void smp_openpic_message_pass(int target, int msg, unsigned long data, int wait); +extern void openpic_set_k2_cascade(int irq); extern inline int openpic_to_irq(int irq) { @@ -64,5 +65,25 @@ extern inline int openpic_to_irq(int irq) return 0; } } -/*extern int open_pic_irq_offset;*/ +/* Support for second openpic on G5 macs */ + +// FIXME: To be replaced by sane cascaded controller management */ + +#define PMAC_OPENPIC2_OFFSET 128 + +#define OPENPIC2_VEC_TIMER 110 /* and up */ +#define OPENPIC2_VEC_IPI 118 /* and up */ +#define OPENPIC2_VEC_SPURIOUS 127 + + +extern void* OpenPIC2_Addr; + +/* Exported functions */ +extern void openpic2_set_sources(int first_irq, int num_irqs, void *isr); +extern void openpic2_init(int linux_irq_offset); +extern void openpic2_init_nmi_irq(u_int irq); +extern u_int openpic2_irq(void); +extern void openpic2_eoi(void); +extern int openpic2_get_irq(struct pt_regs *regs); +extern void openpic2_setup_ISU(int isu_num, unsigned long addr); #endif /* _PPC_KERNEL_OPEN_PIC_H */ |