* Copyright (C) 1996 Dave Redman (djhr@tadpole.co.uk)
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/linkage.h>
#include <linux/kernel_stat.h>
*
* so don't go making it static, like I tried. sigh.
*/
-unsigned char *interrupt_enable = 0;
+unsigned char *interrupt_enable = NULL;
static int sun4c_pil_map[] = { 0, 1, 2, 3, 5, 7, 8, 9 };
/* Errm.. not sure how to do this.. */
}
-static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *))
+static void __init sun4c_init_timers(irq_handler_t counter_fn)
{
int irq;
irq = request_irq(TIMER_IRQ,
counter_fn,
- (SA_INTERRUPT | SA_STATIC_ALLOC),
+ (IRQF_DISABLED | SA_STATIC_ALLOC),
"timer", NULL);
if (irq) {
prom_printf("time_init: unable to attach IRQ%d\n",TIMER_IRQ);
static void sun4c_nop(void) {}
#endif
-extern char *sun4m_irq_itoa(unsigned int irq);
-
void __init sun4c_init_IRQ(void)
{
struct linux_prom_registers int_regs[2];
panic("Cannot find /interrupt-enable node");
/* Depending on the "address" property is bad news... */
- prom_getproperty(ie_node, "reg", (char *) int_regs, sizeof(int_regs));
- memset(&phyres, 0, sizeof(struct resource));
- phyres.flags = int_regs[0].which_io;
- phyres.start = int_regs[0].phys_addr;
- interrupt_enable = (char *) sbus_ioremap(&phyres, 0,
- int_regs[0].reg_size, "sun4c_intr");
+ interrupt_enable = NULL;
+ if (prom_getproperty(ie_node, "reg", (char *) int_regs,
+ sizeof(int_regs)) != -1) {
+ memset(&phyres, 0, sizeof(struct resource));
+ phyres.flags = int_regs[0].which_io;
+ phyres.start = int_regs[0].phys_addr;
+ interrupt_enable = (char *) sbus_ioremap(&phyres, 0,
+ int_regs[0].reg_size, "sun4c_intr");
+ }
}
+ if (!interrupt_enable)
+ panic("Cannot map interrupt_enable");
BTFIXUPSET_CALL(sbint_to_irq, sun4c_sbint_to_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(enable_irq, sun4c_enable_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_clock_irq, sun4c_clear_clock_irq, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(clear_profile_irq, sun4c_clear_profile_irq, BTFIXUPCALL_NOP);
BTFIXUPSET_CALL(load_profile_irq, sun4c_load_profile_irq, BTFIXUPCALL_NOP);
- BTFIXUPSET_CALL(__irq_itoa, sun4m_irq_itoa, BTFIXUPCALL_NORM);
sparc_init_timers = sun4c_init_timers;
#ifdef CONFIG_SMP
BTFIXUPSET_CALL(set_cpu_int, sun4c_nop, BTFIXUPCALL_NOP);