h8300: update timer handler - new files

New timer handler files.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-h8300/timer.h

@@ -0,0 +1,25 @@
+#ifndef __H8300_TIMER_H
+#define __H8300_TIMER_H
+
+void h8300_timer_tick(void);
+void h8300_timer_setup(void);
+void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
+		   unsigned int *hour, unsigned int *min, unsigned int *sec);
+
+#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */
+
+#define calc_param(cnt, div, rate, limit)			\
+do {								\
+	cnt = TIMER_FREQ / HZ;					\
+	for (div = 0; div < ARRAY_SIZE(divide_rate); div++) {	\
+		if (rate[div] == 0)				\
+			continue;				\
+		if ((cnt / rate[div]) > limit)			\
+			break;					\
+	}							\
+	if (div == ARRAY_SIZE(divide_rate))			\
+		panic("Timer counter overflow");		\
+	cnt /= divide_rate[div];				\
+} while(0)
+
+#endif