* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
- * Routines for generic manipulation of the interrupts found on the
+ * Routines for generic manipulation of the interrupts found on the
* Lasat boards.
*/
#include <linux/init.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/lasat/lasatint.h>
+#include <asm/time.h>
#include <asm/gdb-stub.h>
static volatile int *lasat_int_status = NULL;
static volatile int *lasat_int_mask = NULL;
static volatile int lasat_int_mask_shift;
-extern asmlinkage void lasatIRQ(void);
-
void disable_lasat_irq(unsigned int irq_nr)
{
unsigned long flags;
}
static struct hw_interrupt_type lasat_irq_type = {
- "Lasat",
- startup_lasat_irq,
- shutdown_lasat_irq,
- enable_lasat_irq,
- disable_lasat_irq,
- mask_and_ack_lasat_irq,
- end_lasat_irq,
- NULL
+ .typename = "Lasat",
+ .startup = startup_lasat_irq,
+ .shutdown = shutdown_lasat_irq,
+ .enable = enable_lasat_irq,
+ .disable = disable_lasat_irq,
+ .ack = mask_and_ack_lasat_irq,
+ .end = end_lasat_irq,
};
static inline int ls1bit32(unsigned int x)
return *lasat_int_status & *lasat_int_mask;
}
-static unsigned long get_int_status_200(void)
+static unsigned long get_int_status_200(void)
{
unsigned long int_status;
return int_status;
}
-void lasat_hw0_irqdispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
{
unsigned long int_status;
+ unsigned int cause = read_c0_cause();
int irq;
+ if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
+ ll_timer_interrupt(7, regs);
+ return;
+ }
+
int_status = get_int_status();
/* if int_status == 0, then the interrupt has already been cleared */
}
}
-void __init init_IRQ(void)
+void __init arch_init_irq(void)
{
int i;
- init_generic_irq();
-
switch (mips_machtype) {
case MACH_LASAT_100:
lasat_int_status = (void *)LASAT_INT_STATUS_REG_100;
*lasat_int_mask &= 0xffff;
break;
default:
- panic("init_IRQ: mips_machtype incorrect");
+ panic("arch_init_irq: mips_machtype incorrect");
}
- /* Now safe to set the exception vector. */
- set_except_vector(0, lasatIRQ);
-
for (i = 0; i <= LASATINT_END; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = 0;