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| author | Ben Dooks <ben-linux@fluff.org> | 2008-10-21 14:07:14 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-12-15 23:19:49 +0000 |
| commit | 8cdf47cb4bb10172732df0506d397aab4149e45e (patch) | |
| tree | b4d5a69d6c5efbb0f4a3e091719d5c4ea6560fbf /arch/arm | |
| parent | f945ee13cffbee48066e2ac24dbdd1b29a102b51 (diff) | |
| download | linux-8cdf47cb4bb10172732df0506d397aab4149e45e.tar.gz linux-8cdf47cb4bb10172732df0506d397aab4149e45e.tar.bz2 linux-8cdf47cb4bb10172732df0506d397aab4149e45e.zip | |
[ARM] S3C64XX: Add external interrupt group definitions
Add definitions for the external interrupt groups which accompany
the original IRQ_EINT from the s3c24xx series.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/plat-s3c64xx/include/plat/irqs.h | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/plat-s3c64xx/include/plat/irqs.h index 5ab41ad143b7..bc25689c3f83 100644 --- a/arch/arm/plat-s3c64xx/include/plat/irqs.h +++ b/arch/arm/plat-s3c64xx/include/plat/irqs.h @@ -153,10 +153,44 @@ #define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE) #define IRQ_EINT(x) S3C_EINT(x) -/* Define NR_IRQs here, machine specific can always re-define. - * Currently the IRQ_EINT27 is the last one we can have. */ +/* Next the external interrupt groups. These are similar to the IRQ_EINT(x) + * that they are sourced from the GPIO pins but with a different scheme for + * priority and source indication. + * + * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO + * interrupts, but for historical reasons they are kept apart from these + * next interrupts. + * + * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the + * machine specific support files. + */ -#define NR_IRQS (S3C_EINT(27) + 1) +#define IRQ_EINT_GROUP1_NR (15) +#define IRQ_EINT_GROUP2_NR (8) +#define IRQ_EINT_GROUP3_NR (5) +#define IRQ_EINT_GROUP4_NR (14) +#define IRQ_EINT_GROUP5_NR (7) +#define IRQ_EINT_GROUP6_NR (10) +#define IRQ_EINT_GROUP7_NR (16) +#define IRQ_EINT_GROUP8_NR (15) +#define IRQ_EINT_GROUP9_NR (9) + +#define IRQ_EINT_GROUP_BASE S3C_EINT(28) +#define IRQ_EINT_GROUP1_BASE (IRQ_EINT_GROUP_BASE + 0x00) +#define IRQ_EINT_GROUP2_BASE (IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR) +#define IRQ_EINT_GROUP3_BASE (IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR) +#define IRQ_EINT_GROUP4_BASE (IRQ_EINT_GROUP3_BASE + IRQ_EINT_GROUP3_NR) +#define IRQ_EINT_GROUP5_BASE (IRQ_EINT_GROUP4_BASE + IRQ_EINT_GROUP4_NR) +#define IRQ_EINT_GROUP6_BASE (IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR) +#define IRQ_EINT_GROUP7_BASE (IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR) +#define IRQ_EINT_GROUP8_BASE (IRQ_EINT_GROUP7_BASE + IRQ_EINT_GROUP7_NR) +#define IRQ_EINT_GROUP9_BASE (IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR) + +#define IRQ_EINT_GROUP(group, no) (IRQ_EINT_GROUP##group##__BASE + (x)) + +/* Set the default NR_IRQS */ + +#define NR_IRQS (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1) #endif /* __ASM_PLAT_S3C64XX_IRQS_H */ |