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[MIPS] IP27: Add clocksource drivers

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2007-10-11 23:46:10 +01:00
parent 584d98be3b
commit 87b2335d6e
1 changed files with 11 additions and 3 deletions
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14
arch/mips/sgi-ip27/ip27-timer.c
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@ -200,15 +200,23 @@ void __init plat_timer_setup(struct irqaction *irq)
setup_irq(irqno, &rt_irqaction);
}
static cycle_t ip27_hpt_read(void)
static cycle_t hub_rt_read(void)
{
return REMOTE_HUB_L(cputonasid(0), PI_RT_COUNT);
}
struct clocksource ht_rt_clocksource = {
.name = "HUB",
.rating = 200,
.read = hub_rt_read,
.mask = CLOCKSOURCE_MASK(52),
.shift = 32,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
void __init plat_time_init(void)
{
clocksource_mips.read = ip27_hpt_read;
mips_hpt_frequency = CYCLES_PER_SEC;
clocksource_register(&ht_rt_clocksource);
}
void __init cpu_time_init(void)