diff options
Diffstat (limited to 'arch/mips/sni/time.c')
| -rw-r--r-- | arch/mips/sni/time.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index 20028fc7757..b80877349d3 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -2,8 +2,10 @@ #include <linux/interrupt.h> #include <linux/time.h> +#include <asm/i8253.h> #include <asm/sni.h> #include <asm/time.h> +#include <asm-generic/rtc.h> #define SNI_CLOCK_TICK_RATE 3686400 #define SNI_COUNTER2_DIV 64 @@ -42,23 +44,23 @@ static __init unsigned long dosample(void) volatile u8 msb, lsb; /* Start the counter. */ - outb_p (0x34, 0x43); + outb_p(0x34, 0x43); outb_p(SNI_8254_TCSAMP_COUNTER & 0xff, 0x40); - outb (SNI_8254_TCSAMP_COUNTER >> 8, 0x40); + outb(SNI_8254_TCSAMP_COUNTER >> 8, 0x40); /* Get initial counter invariant */ ct0 = read_c0_count(); /* Latch and spin until top byte of counter0 is zero */ do { - outb (0x00, 0x43); - lsb = inb (0x40); - msb = inb (0x40); + outb(0x00, 0x43); + lsb = inb(0x40); + msb = inb(0x40); ct1 = read_c0_count(); } while (msb); /* Stop the counter. */ - outb (0x38, 0x43); + outb(0x38, 0x43); /* * Return the difference, this is how far the r4k counter increments * for every 1/HZ seconds. We round off the nearest 1 MHz of master @@ -71,7 +73,7 @@ static __init unsigned long dosample(void) /* * Here we need to calibrate the cycle counter to at least be close. */ -__init void sni_cpu_time_init(void) +void __init plat_time_init(void) { unsigned long r4k_ticks[3]; unsigned long r4k_tick; @@ -115,6 +117,8 @@ __init void sni_cpu_time_init(void) (int) (r4k_tick % (500000 / HZ))); mips_hpt_frequency = r4k_tick * HZ; + + setup_pit_timer(); } /* @@ -133,7 +137,7 @@ void __init plat_timer_setup(struct irqaction *irq) case SNI_BRD_10NEW: case SNI_BRD_TOWER_OASIC: case SNI_BRD_MINITOWER: - sni_a20r_timer_setup (irq); + sni_a20r_timer_setup(irq); break; case SNI_BRD_PCI_TOWER: @@ -142,7 +146,12 @@ void __init plat_timer_setup(struct irqaction *irq) case SNI_BRD_PCI_DESKTOP: case SNI_BRD_PCI_TOWER_CPLUS: case SNI_BRD_PCI_MTOWER_CPLUS: - sni_cpu_timer_setup (irq); + sni_cpu_timer_setup(irq); break; } } + +unsigned long read_persistent_clock(void) +{ + return -1; +} |