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Diffstat (limited to 'arch/mips/mips-boards/generic/time.c')
-rw-r--r--arch/mips/mips-boards/generic/time.c50
1 files changed, 16 insertions, 34 deletions
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index 8f1000f51b3..c45d556aa96 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -54,7 +54,7 @@
unsigned long cpu_khz;
static int mips_cpu_timer_irq;
-extern int mipsxx_perfcount_irq;
+extern int cp0_perfcount_irq;
extern void smtc_timer_broadcast(int);
static void mips_timer_dispatch(void)
@@ -64,7 +64,7 @@ static void mips_timer_dispatch(void)
static void mips_perf_dispatch(void)
{
- do_IRQ(mipsxx_perfcount_irq);
+ do_IRQ(cp0_perfcount_irq);
}
/*
@@ -82,12 +82,12 @@ static inline int handle_perf_irq (int r2)
{
/*
* The performance counter overflow interrupt may be shared with the
- * timer interrupt (mipsxx_perfcount_irq < 0). If it is and a
+ * timer interrupt (cp0_perfcount_irq < 0). If it is and a
* performance counter has overflowed (perf_irq() == IRQ_HANDLED)
* and we can't reliably determine if a counter interrupt has also
* happened (!r2) then don't check for a timer interrupt.
*/
- return (mipsxx_perfcount_irq < 0) &&
+ return (cp0_perfcount_irq < 0) &&
perf_irq() == IRQ_HANDLED &&
!r2;
}
@@ -259,42 +259,31 @@ static struct irqaction perf_irqaction = {
void __init plat_perf_setup(struct irqaction *irq)
{
- int hwint = 0;
- mipsxx_perfcount_irq = -1;
+ cp0_perfcount_irq = -1;
#ifdef MSC01E_INT_BASE
if (cpu_has_veic) {
set_vi_handler (MSC01E_INT_PERFCTR, mips_perf_dispatch);
- mipsxx_perfcount_irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR;
+ cp0_perfcount_irq = MSC01E_INT_BASE + MSC01E_INT_PERFCTR;
} else
#endif
- if (cpu_has_mips_r2) {
- /*
- * Read IntCtl.IPPCI to determine the performance
- * counter interrupt
- */
- hwint = (read_c0_intctl () >> 26) & 7;
- if (hwint != MIPSCPU_INT_CPUCTR) {
- if (cpu_has_vint)
- set_vi_handler (hwint, mips_perf_dispatch);
- mipsxx_perfcount_irq = MIPSCPU_INT_BASE + hwint;
- }
- }
- if (mipsxx_perfcount_irq >= 0) {
+ if (cp0_perfcount_irq >= 0) {
+ if (cpu_has_vint)
+ set_vi_handler(cp0_perfcount_irq, mips_perf_dispatch);
#ifdef CONFIG_MIPS_MT_SMTC
- setup_irq_smtc(mipsxx_perfcount_irq, irq, 0x100 << hwint);
+ setup_irq_smtc(cp0_perfcount_irq, irq,
+ 0x100 << cp0_perfcount_irq);
#else
- setup_irq(mipsxx_perfcount_irq, irq);
+ setup_irq(cp0_perfcount_irq, irq);
#endif /* CONFIG_MIPS_MT_SMTC */
#ifdef CONFIG_SMP
- set_irq_handler(mipsxx_perfcount_irq, handle_percpu_irq);
+ set_irq_handler(cp0_perfcount_irq, handle_percpu_irq);
#endif
}
}
void __init plat_timer_setup(struct irqaction *irq)
{
- int hwint = 0;
#ifdef MSC01E_INT_BASE
if (cpu_has_veic) {
set_vi_handler (MSC01E_INT_CPUCTR, mips_timer_dispatch);
@@ -303,22 +292,15 @@ void __init plat_timer_setup(struct irqaction *irq)
else
#endif
{
- if (cpu_has_mips_r2)
- /*
- * Read IntCtl.IPTI to determine the timer interrupt
- */
- hwint = (read_c0_intctl () >> 29) & 7;
- else
- hwint = MIPSCPU_INT_CPUCTR;
if (cpu_has_vint)
- set_vi_handler (hwint, mips_timer_dispatch);
- mips_cpu_timer_irq = MIPSCPU_INT_BASE + hwint;
+ set_vi_handler(cp0_compare_irq, mips_timer_dispatch);
+ mips_cpu_timer_irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
}
/* we are using the cpu counter for timer interrupts */
irq->handler = mips_timer_interrupt; /* we use our own handler */
#ifdef CONFIG_MIPS_MT_SMTC
- setup_irq_smtc(mips_cpu_timer_irq, irq, 0x100 << hwint);
+ setup_irq_smtc(mips_cpu_timer_irq, irq, 0x100 << cp0_compare_irq);
#else
setup_irq(mips_cpu_timer_irq, irq);
#endif /* CONFIG_MIPS_MT_SMTC */