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ARM: rpc: make default fiq handler run-time installed

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Only rpc uses disable_fiq macro. Change it to a run-time installed
default FIQ handler. The handler is installed before FIQ is enabled
so the behavior should be unchanged.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
This commit is contained in:
Rob Herring
2012-02-08 18:24:23 -06:00
parent 13a5045d4e
commit 78cbaaca69
3 changed files with 23 additions and 1 deletions
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16
arch/arm/mach-rpc/fiq.S Normal file
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@@ -0,0 +1,16 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <mach/hardware.h>
#include <mach/entry-macro.S>
.text
.global rpc_default_fiq_end
ENTRY(rpc_default_fiq_start)
mov r12, #ioc_base_high
.if ioc_base_low
orr r12, r12, #ioc_base_low
.endif
strb r12, [r12, #0x38] @ Disable FIQ register
subs pc, lr, #4
rpc_default_fiq_end: