diff options
Diffstat (limited to 'arch/arm/plat-s3c64xx/include/plat/irqs.h')
| -rw-r--r-- | arch/arm/plat-s3c64xx/include/plat/irqs.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h new file mode 100644 index 00000000000..592a5635455 --- /dev/null +++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h @@ -0,0 +1,38 @@ +/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - Common IRQ support + */ + +#ifndef __ASM_PLAT_S3C64XX_IRQS_H +#define __ASM_PLAT_S3C64XX_IRQS_H __FILE__ + +/* we keep the first set of CPU IRQs out of the range of + * the ISA space, so that the PC104 has them to itself + * and we don't end up having to do horrible things to the + * standard ISA drivers.... + */ + +#define S3C_IRQ_OFFSET (16) + +#define S3C_IRQ(x) ((x) + S3C_IRQ_OFFSET) + +/* Since the IRQ_EINT(x) are a linear mapping on current s3c64xx series + * we just defined them as an IRQ_EINT(x) macro from S3C_IRQ_EINT_BASE + * which we place after the pair of VICs. */ + +#define S3C_IRQ_EINT_BASE S3C_IRQ(64) + +#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE) + +/* Define NR_IRQs here, machine specific can always re-define. + * Currently the IRQ_EINT27 is the last one we can have. */ + +#define NR_IRQS (S3C_EINT(27) + 1) + +#endif /* __ASM_PLAT_S3C64XX_IRQS_H */ + |