sparc32,leon: add support for extended interrupt controller

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The extended IRQ controller gives the LEON 16 more IRQs.

The patch installs a custom handler for the exetended controller
IRQ, where a register is read and the "real" IRQ causing IRQ is
determined.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Daniel Hellstrom 2011-04-19 23:41:22 +00:00 • committed by David S. Miller

parent d61a38b2ce

commit 4c6773c395

2 changed files with 74 additions and 28 deletions

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7

arch/sparc/include/asm/leon.h

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95

arch/sparc/kernel/leon_kernel.c

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