DEFINE_SPINLOCK(pciasic_lock);
+extern asmlinkage void sni_rm200_pci_handle_int(void);
+
static void enable_pciasic_irq(unsigned int irq)
{
unsigned int mask = 1 << (irq - PCIMT_IRQ_INT2);
* hwint0 should deal with MP agent, ASIC PCI, EISA NMI and debug
* button interrupts. Later ...
*/
-static void pciasic_hwint0(struct pt_regs *regs)
+void pciasic_hwint0(struct pt_regs *regs)
{
panic("Received int0 but no handler yet ...");
}
/* This interrupt was used for the com1 console on the first prototypes. */
-static void pciasic_hwint2(struct pt_regs *regs)
+void pciasic_hwint2(struct pt_regs *regs)
{
/* I think this shouldn't happen on production machines. */
panic("hwint2 and no handler yet");
}
/* hwint5 is the r4k count / compare interrupt */
-static void pciasic_hwint5(struct pt_regs *regs)
+void pciasic_hwint5(struct pt_regs *regs)
{
panic("hwint5 and no handler yet");
}
*
* The EISA_INT bit in CSITPEND is high active, all others are low active.
*/
-static void pciasic_hwint1(struct pt_regs *regs)
+void pciasic_hwint1(struct pt_regs *regs)
{
u8 pend = *(volatile char *)PCIMT_CSITPEND;
unsigned long flags;
/*
* hwint 3 should deal with the PCI A - D interrupts,
*/
-static void pciasic_hwint3(struct pt_regs *regs)
+void pciasic_hwint3(struct pt_regs *regs)
{
u8 pend = *(volatile char *)PCIMT_CSITPEND;
int irq;
/*
* hwint 4 is used for only the onboard PCnet 32.
*/
-static void pciasic_hwint4(struct pt_regs *regs)
+void pciasic_hwint4(struct pt_regs *regs)
{
clear_c0_status(IE_IRQ4);
do_IRQ(PCIMT_IRQ_ETHERNET, regs);
set_c0_status(IE_IRQ4);
}
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
- unsigned int pending = read_c0_status() & read_c0_cause();
- static unsigned char led_cache;
-
- *(volatile unsigned char *) PCIMT_CSLED = ++led_cache;
-
- if (pending & 0x0800)
- pciasic_hwint1(regs);
- else if (pending & 0x4000)
- pciasic_hwint4(regs);
- else if (pending & 0x2000)
- pciasic_hwint3(regs);
- else if (pending & 0x1000)
- pciasic_hwint2(regs);
- else if (pending & 0x8000)
- pciasic_hwint5(regs);
- else if (pending & 0x0400)
- pciasic_hwint0(regs);
-}
-
void __init init_pciasic(void)
{
unsigned long flags;
{
int i;
+ set_except_vector(0, sni_rm200_pci_handle_int);
+
init_i8259_irqs(); /* Integrated i8259 */
init_pciasic();