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sh: intc - add single bitmap register support

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This patch adds single bitmap register support to intc. The current
code only handles 16 and 32 bit registers where a set bit means
interrupt enabled, but this is easy to extend in the future.

The INTC_IRQ() macro is also added to provide a way to hook in
interrupt controllers for FPGAs in boards or companion chips.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2007-08-03 14:25:32 +09:00 • committed by Paul Mundt
commit 51da64264b
2 changed files with 63 additions and 11 deletions
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1
include/asm-sh/hw_irq.h
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@ -49,6 +49,7 @@ struct intc_vect {
};
#define INTC_VECT(enum_id, vect) { enum_id, vect }
#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
struct intc_prio {
intc_enum enum_id;