diff options
Diffstat (limited to 'arch/sh/include/asm/irq.h')
-rw-r--r-- | arch/sh/include/asm/irq.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h new file mode 100644 index 00000000000..6195a531c1b --- /dev/null +++ b/arch/sh/include/asm/irq.h @@ -0,0 +1,57 @@ +#ifndef __ASM_SH_IRQ_H +#define __ASM_SH_IRQ_H + +#include <asm/machvec.h> + +/* + * A sane default based on a reasonable vector table size, platforms are + * advised to cap this at the hard limit that they're interested in + * through the machvec. + */ +#define NR_IRQS 256 + +/* + * Convert back and forth between INTEVT and IRQ values. + */ +#ifdef CONFIG_CPU_HAS_INTEVT +#define evt2irq(evt) (((evt) >> 5) - 16) +#define irq2evt(irq) (((irq) + 16) << 5) +#else +#define evt2irq(evt) (evt) +#define irq2evt(irq) (irq) +#endif + +/* + * Simple Mask Register Support + */ +extern void make_maskreg_irq(unsigned int irq); +extern unsigned short *irq_mask_register; + +/* + * PINT IRQs + */ +void init_IRQ_pint(void); +void make_imask_irq(unsigned int irq); + +static inline int generic_irq_demux(int irq) +{ + return irq; +} + +#define irq_canonicalize(irq) (irq) +#define irq_demux(irq) sh_mv.mv_irq_demux(irq) + +#ifdef CONFIG_IRQSTACKS +extern void irq_ctx_init(int cpu); +extern void irq_ctx_exit(int cpu); +# define __ARCH_HAS_DO_SOFTIRQ +#else +# define irq_ctx_init(cpu) do { } while (0) +# define irq_ctx_exit(cpu) do { } while (0) +#endif + +#ifdef CONFIG_CPU_SH5 +#include <cpu/irq.h> +#endif + +#endif /* __ASM_SH_IRQ_H */ |