m68knommu: mask off all interrupts in ColdFire intc-simr controller

The ColdFire intc-simr interrupt controller should mask off all
interrupt sources at init time. Doing it here instead of separately
in each platform setup.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/m68knommu/platform/coldfire/intc-simr.c b/arch/m68knommu/platform/coldfire/intc-simr.c
index 86fc2047d7ac..1b01e79c2f63 100644
--- a/arch/m68knommu/platform/coldfire/intc-simr.c
+++ b/arch/m68knommu/platform/coldfire/intc-simr.c
@@ -62,6 +62,11 @@ void __init init_IRQ(void)
 
         init_vectors();
 
+        /* Mask all interrupt sources */
+        __raw_writeb(0xff, MCFINTC0_SIMR);
+        if (MCFINTC1_SIMR)
+                __raw_writeb(0xff, MCFINTC1_SIMR);
+
         for (irq = 0; (irq < NR_IRQS); irq++) {
                 irq_desc[irq].status = IRQ_DISABLED;
                 irq_desc[irq].action = NULL;