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authorWolfgang Denk <wd@denx.de>2010-04-24 21:13:31 +0200
committerWolfgang Denk <wd@denx.de>2010-04-24 21:13:31 +0200
commit500fbae2043532275e09a8666d837d052c9bad9a (patch)
treef793ba7c048230cf2d9f888faa4df7dc038fd679 /arch/microblaze/cpu/interrupts.c
parentb919a3f2981109c9f2aaafe9c692dbb99f1c6366 (diff)
parent8ff972c6e99938f1a033e5500dccc9a37ce3406f (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-microblaze
Diffstat (limited to 'arch/microblaze/cpu/interrupts.c')
-rw-r--r--arch/microblaze/cpu/interrupts.c41
1 files changed, 11 insertions, 30 deletions
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index a6021c9..7a9d022 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -46,13 +46,6 @@ int disable_interrupts (void)
}
#ifdef CONFIG_SYS_INTC_0
-#ifdef CONFIG_SYS_TIMER_0
-extern void timer_init (void);
-#endif
-#ifdef CONFIG_SYS_FSL_2
-extern void fsl_init2 (void);
-#endif
-
static struct irq_action vecs[CONFIG_SYS_INTC_0_NUM];
@@ -142,20 +135,14 @@ int interrupts_init (void)
}
/* initialize intc controller */
intc_init ();
-#ifdef CONFIG_SYS_TIMER_0
- timer_init ();
-#endif
-#ifdef CONFIG_SYS_FSL_2
- fsl_init2 ();
-#endif
enable_interrupts ();
return 0;
}
void interrupt_handler (void)
{
- int irqs = (intc->isr & intc->ier); /* find active interrupt */
- int i = 1;
+ int irqs = intc->ivr; /* find active interrupt */
+ int mask = 1;
#ifdef DEBUG_INT
int value;
printf ("INTC isr %x, ier %x, iar %x, mer %x\n", intc->isr, intc->ier,
@@ -163,23 +150,17 @@ void interrupt_handler (void)
R14(value);
printf ("Interrupt handler on %x line, r14 %x\n", irqs, value);
#endif
- struct irq_action *act = vecs;
- while (irqs) {
- if (irqs & 1) {
+ struct irq_action *act = vecs + irqs;
+
+ intc->iar = mask << irqs;
+
#ifdef DEBUG_INT
- printf
- ("Jumping to interrupt handler rutine addr %x,count %x,arg %x\n",
- act->handler, act->count, act->arg);
+ printf
+ ("Jumping to interrupt handler rutine addr %x,count %x,arg %x\n",
+ act->handler, act->count, act->arg);
#endif
- act->handler (act->arg);
- act->count++;
- intc->iar = i;
- return;
- }
- irqs >>= 1;
- act++;
- i <<= 1;
- }
+ act->handler (act->arg);
+ act->count++;
#ifdef DEBUG_INT
printf ("Dump INTC reg, isr %x, ier %x, iar %x, mer %x\n", intc->isr,