diff options
| author | Rob Herring <rob.herring@calxeda.com> | 2012-02-08 18:24:23 -0600 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2012-02-21 17:04:33 -0600 |
| commit | 78cbaaca6908c2ddf1bd26cf58c408938654e3d8 (patch) | |
| tree | 7e52f81c470138284f40617ffb51126bc3a3c496 /arch/arm/mach-rpc/fiq.S | |
| parent | 13a5045d4ee5a244195062cbf2c651d1b4f22aa7 (diff) | |
ARM: rpc: make default fiq handler run-time installed
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>
Diffstat (limited to 'arch/arm/mach-rpc/fiq.S')
| -rw-r--r-- | arch/arm/mach-rpc/fiq.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-rpc/fiq.S b/arch/arm/mach-rpc/fiq.S new file mode 100644 index 000000000000..48ddd57db16e --- /dev/null +++ b/arch/arm/mach-rpc/fiq.S @@ -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: |