linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / arch / mips / ddb5xxx / ddb5074 / irq.c

diff --git a/arch/mips/ddb5xxx/ddb5074/irq.c b/arch/mips/ddb5xxx/ddb5074/irq.c
index 60c087b..45088a1 100644 (file)
--- a/arch/mips/ddb5xxx/ddb5074/irq.c
+++ b/arch/mips/ddb5xxx/ddb5074/irq.c
@@ -21,6 +21,8 @@
 #include <asm/ddb5xxx/ddb5074.h>
 
 
+extern asmlinkage void ddbIRQ(void);
+
 static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL };
 
 #define M1543_PNP_CONFIG       0x03f0  /* PnP Config Port */
@@ -88,7 +90,7 @@ static void m1543_irq_setup(void)
 
 }
 
-static void ddb_local0_irqdispatch(struct pt_regs *regs)
+void ddb_local0_irqdispatch(struct pt_regs *regs)
 {
        u32 mask;
        int nile4_irq;
@@ -116,41 +118,29 @@ static void ddb_local0_irqdispatch(struct pt_regs *regs)
                }
 }
 
-static void ddb_local1_irqdispatch(void)
+void ddb_local1_irqdispatch(void)
 {
        printk("ddb_local1_irqdispatch called\n");
 }
 
-static void ddb_buserror_irq(void)
+void ddb_buserror_irq(void)
 {
        printk("ddb_buserror_irq called\n");
 }
 
-static void ddb_8254timer_irq(void)
+void ddb_8254timer_irq(void)
 {
        printk("ddb_8254timer_irq called\n");
 }
 
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
-       unsigned int pending = read_c0_cause() & read_c0_status();
-
-       if (pending & CAUSEF_IP2)
-               ddb_local0_irqdispatch(regs);
-       else if (pending & CAUSEF_IP3)
-               ddb_local1_irqdispatch();
-       else if (pending & CAUSEF_IP6)
-               ddb_buserror_irq();
-       else if (pending & (CAUSEF_IP4 | CAUSEF_IP5))
-               ddb_8254timer_irq();
-}
-
 void __init arch_init_irq(void)
 {
        /* setup cascade interrupts */
        setup_irq(NILE4_IRQ_BASE  + NILE4_INT_INTE, &irq_cascade);
        setup_irq(CPU_IRQ_BASE + CPU_NILE4_CASCADE, &irq_cascade);
 
+       set_except_vector(0, ddbIRQ);
+
        nile4_irq_setup(NILE4_IRQ_BASE);
        m1543_irq_setup();
        init_i8259_irqs();