#include <commproc.h>
#include "drivers/epic.h"
-/****************************************************************************/
-
-unsigned decrementer_count; /* count val for 1e6/HZ microseconds */
-
-static __inline__ unsigned long get_msr (void)
-{
- unsigned long msr;
-
- asm volatile ("mfmsr %0":"=r" (msr):);
-
- return msr;
-}
-
-static __inline__ void set_msr (unsigned long msr)
-{
- asm volatile ("mtmsr %0"::"r" (msr));
-}
-
-static __inline__ unsigned long get_dec (void)
-{
- unsigned long val;
-
- asm volatile ("mfdec %0":"=r" (val):);
-
- return val;
-}
-
-
-static __inline__ void set_dec (unsigned long val)
-{
- asm volatile ("mtdec %0"::"r" (val));
-}
-
-
-void enable_interrupts (void)
+int interrupt_init_cpu (unsigned *decrementer_count)
{
- set_msr (get_msr () | MSR_EE);
-}
-
-/* returns flag if MSR_EE was set before */
-int disable_interrupts (void)
-{
- ulong msr = get_msr ();
-
- set_msr (msr & ~MSR_EE);
- return ((msr & MSR_EE) != 0);
-}
-
-/****************************************************************************/
-
-int interrupt_init (void)
-{
- decrementer_count = (get_bus_freq (0) / 4) / CFG_HZ;
-
- /*
- * It's all broken at the moment and I currently don't need
- * interrupts. If you want to fix it, have a look at the epic
- * drivers in dink32 v12. They do everthing and Motorola said
- * I could use the dink source in this project as long as
- * copyright notices remain intact.
+ *decrementer_count = (get_bus_freq (0) / 4) / CFG_HZ;
+
+ /*
+ * It's all broken at the moment and I currently don't need
+ * interrupts. If you want to fix it, have a look at the epic
+ * drivers in dink32 v12. They do everthing and Motorola said
+ * I could use the dink source in this project as long as
+ * copyright notices remain intact.
*/
epicInit (EPIC_DIRECT_IRQ, 0);
-
- set_dec (decrementer_count);
-
- set_msr (get_msr () | MSR_EE);
+ /* EPIC won't generate INT unless Current Task Pri < 15 */
+ epicCurTaskPrioSet(0);
return (0);
}
vga?
*/
-volatile ulong timestamp = 0;
-
-void timer_interrupt (struct pt_regs *regs)
-{
- /* Restore Decrementer Count */
- set_dec (decrementer_count);
-
- timestamp++;
-
-#if defined(CONFIG_WATCHDOG)
- if ((timestamp % (CFG_HZ / 2)) == 0) {
-#if defined(CONFIG_OXC)
- {
- extern void oxc_wdt_reset (void);
-
- oxc_wdt_reset ();
- }
-#endif
- }
-#endif /* CONFIG_WATCHDOG */
-#if defined(CONFIG_SHOW_ACTIVITY) && defined(CONFIG_OXC)
- if ((timestamp % (CFG_HZ / 10)) == 0) {
- {
- extern void oxc_toggle_activeled (void);
-
- oxc_toggle_activeled ();
- }
- }
-#endif
-}
-
-void reset_timer (void)
-{
- timestamp = 0;
-}
-
-ulong get_timer (ulong base)
-{
- return (timestamp - base);
-}
-
-void set_timer (ulong t)
+void timer_interrupt_cpu (struct pt_regs *regs)
{
- timestamp = t;
+ /* nothing to do here */
+ return;
}