*
*/
#include <linux/bcd.h>
-#include <linux/errno.h>
#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
#include <linux/mc146818rtc.h>
-#include <linux/mm.h>
-#include <linux/module.h>
#include <linux/param.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/time.h>
-#include <linux/types.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cpu.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/sections.h>
-#include <asm/time.h>
+#include <asm/cpu-features.h>
+#include <asm/ds1287.h>
+#include <asm/time.h>
#include <asm/dec/interrupts.h>
#include <asm/dec/ioasic.h>
-#include <asm/dec/ioasic_addrs.h>
#include <asm/dec/machtype.h>
unsigned long read_persistent_clock(void)
spin_unlock_irqrestore(&rtc_lock, flags);
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- sec = BCD2BIN(sec);
- min = BCD2BIN(min);
- hour = BCD2BIN(hour);
- day = BCD2BIN(day);
- mon = BCD2BIN(mon);
- year = BCD2BIN(year);
+ sec = bcd2bin(sec);
+ min = bcd2bin(min);
+ hour = bcd2bin(hour);
+ day = bcd2bin(day);
+ mon = bcd2bin(mon);
+ year = bcd2bin(year);
}
year += real_year - 72 + 2000;
cmos_minutes = CMOS_READ(RTC_MINUTES);
if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
- cmos_minutes = BCD2BIN(cmos_minutes);
+ cmos_minutes = bcd2bin(cmos_minutes);
/*
* since we're only adjusting minutes and seconds,
if (abs(real_minutes - cmos_minutes) < 30) {
if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
- real_seconds = BIN2BCD(real_seconds);
- real_minutes = BIN2BCD(real_minutes);
+ real_seconds = bin2bcd(real_seconds);
+ real_minutes = bin2bcd(real_minutes);
}
CMOS_WRITE(real_seconds, RTC_SECONDS);
CMOS_WRITE(real_minutes, RTC_MINUTES);
return retval;
}
-static int dec_timer_state(void)
+void __init plat_time_init(void)
{
- return (CMOS_READ(RTC_REG_C) & RTC_PF) != 0;
-}
+ u32 start, end;
+ int i = HZ / 10;
-static void dec_timer_ack(void)
-{
- CMOS_READ(RTC_REG_C); /* Ack the RTC interrupt. */
-}
-
-static cycle_t dec_ioasic_hpt_read(void)
-{
- /*
- * The free-running counter is 32-bit which is good for about
- * 2 minutes, 50 seconds at possible count rates of up to 25MHz.
- */
- return ioasic_read(IO_REG_FCTR);
-}
+ /* Set up the rate of periodic DS1287 interrupts. */
+ ds1287_set_base_clock(HZ);
+ if (cpu_has_counter) {
+ while (!ds1287_timer_state())
+ ;
-void __init plat_time_init(void)
-{
- mips_timer_ack = dec_timer_ack;
+ start = read_c0_count();
- if (!cpu_has_counter && IOASIC)
- /* For pre-R4k systems we use the I/O ASIC's counter. */
- clocksource_mips.read = dec_ioasic_hpt_read;
+ while (i--)
+ while (!ds1287_timer_state())
+ ;
- /* Set up the rate of periodic DS1287 interrupts. */
- CMOS_WRITE(RTC_REF_CLCK_32KHZ | (16 - __ffs(HZ)), RTC_REG_A);
-}
+ end = read_c0_count();
-void __init plat_timer_setup(struct irqaction *irq)
-{
- setup_irq(dec_interrupt[DEC_IRQ_RTC], irq);
+ mips_hpt_frequency = (end - start) * 10;
+ printk(KERN_INFO "MIPS counter frequency %dHz\n",
+ mips_hpt_frequency);
+ } else if (IOASIC)
+ /* For pre-R4k systems we use the I/O ASIC's counter. */
+ dec_ioasic_clocksource_init();
- /* Enable periodic DS1287 interrupts. */
- CMOS_WRITE(CMOS_READ(RTC_REG_B) | RTC_PIE, RTC_REG_B);
+ ds1287_clockevent_init(dec_interrupt[DEC_IRQ_RTC]);
}