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>

2 files changed, 5 insertions, 33 deletions

diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
index 41c57e0f445a..021a0e155270 100644
--- a/arch/m68k/include/asm/m532xsim.h
+++ b/arch/m68k/include/asm/m532xsim.h
@@ -56,8 +56,6 @@
 #define MCFSIM_DMA3ICR          MCFSIM_ICR9     /* DMA 3 ICR */
 
 
-#define MCFSIM_IMR_MASKALL      0xFFFFFFFF      /* All SIM intr sources */
-
 #define MCFINTC0_SIMR           0xFC04801C
 #define MCFINTC0_CIMR           0xFC04801D
 #define MCFINTC0_ICR0           0xFC048040
@@ -70,37 +68,6 @@
 
 
 /*
- *      Macro to set IMR register. It is 32 bits on the 5307.
- */
-#define mcf_getimr()            \
-        *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
-
-#define mcf_setimr(imr)         \
-        *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
-
-#define mcf_getipr()            \
-        *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
-
-#define mcf_getiprl()           \
-        *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPRL))
-
-#define mcf_getiprh()           \
-        *((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPRH))
-
-
-#define mcf_enable_irq0(irq)            \
-        *((volatile unsigned char *) (MCFINTC0_CIMR)) = (irq);
-
-#define mcf_enable_irq1(irq)            \
-        *((volatile unsigned char *) (MCFINTC1_CIMR)) = (irq);
-
-#define mcf_disable_irq0(irq)           \
-        *((volatile unsigned char *) (MCFINTC0_SIMR)) = (irq);
-
-#define mcf_disable_irq1(irq)           \
-        *((volatile unsigned char *) (MCFINTC1_SIMR)) = (irq);
-
-/*
  *      Define the Cache register flags.
  */
 #define CACR_EC                 (1<<31)
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;