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[MIPS] i8253 PIT clocksource and clockevent drivers

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Derived from the i386 variant with a few x86 complexities chopped off.

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 87b2335d6e
commit d865bea4da
10 changed files with 280 additions and 5 deletions
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9
arch/mips/qemu/q-setup.c
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@ -1,4 +1,6 @@
#include <linux/init.h>
#include <asm/i8253.h>
#include <asm/io.h>
#include <asm/time.h>
@ -11,12 +13,9 @@ const char *get_system_type(void)
return "Qemu";
}
void __init plat_timer_setup(struct irqaction *irq)
void __init plat_time_init(void)
{
/* set the clock to 100 Hz */
outb_p(0x34,0x43); /* binary, mode 2, LSB/MSB, ch 0 */
outb_p(LATCH & 0xff , 0x40); /* LSB */
outb(LATCH >> 8 , 0x40); /* MSB */
setup_pit_timer();
}
void __init plat_mem_setup(void)