diff options
Diffstat (limited to 'arch/h8300/kernel/timer/tpu.c')
| -rw-r--r-- | arch/h8300/kernel/timer/tpu.c | 100 | 
1 files changed, 0 insertions, 100 deletions
diff --git a/arch/h8300/kernel/timer/tpu.c b/arch/h8300/kernel/timer/tpu.c deleted file mode 100644 index 0350f6204ec..00000000000 --- a/arch/h8300/kernel/timer/tpu.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - *  linux/arch/h8300/kernel/timer/tpu.c - * - *  Yoshinori Sato <ysato@users.sourceforge.jp> - * - *  TPU Timer Handler - * - */ - -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/timex.h> - -#include <asm/segment.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/regs267x.h> - -/* TPU */ -#if CONFIG_H8300_TPU_CH == 0 -#define TPUBASE	0xffffd0 -#define TPUIRQ	40 -#elif CONFIG_H8300_TPU_CH == 1 -#define TPUBASE	0xffffe0 -#define TPUIRQ	48 -#elif CONFIG_H8300_TPU_CH == 2 -#define TPUBASE	0xfffff0 -#define TPUIRQ	52 -#elif CONFIG_H8300_TPU_CH == 3 -#define TPUBASE	0xfffe80 -#define TPUIRQ	56 -#elif CONFIG_H8300_TPU_CH == 4 -#define TPUBASE	0xfffe90 -#define TPUIRQ	64 -#else -#error Unknown timer channel. -#endif - -#define _TCR	0 -#define _TMDR	1 -#define _TIOR	2 -#define _TIER	4 -#define _TSR	5 -#define _TCNT	6 -#define _GRA	8 -#define _GRB	10 - -#define CCLR0	0x20 - -static irqreturn_t timer_interrupt(int irq, void *dev_id) -{ -	h8300_timer_tick(); -	ctrl_bclr(0, TPUBASE + _TSR); -	return IRQ_HANDLED; -} - -static struct irqaction tpu_irq = { -	.name		= "tpu", -	.handler	= timer_interrupt, -	.flags		= IRQF_DISABLED | IRQF_TIMER, -}; - -static const int __initconst divide_rate[] = { -#if CONFIG_H8300_TPU_CH == 0 -	1,4,16,64,0,0,0,0, -#elif (CONFIG_H8300_TPU_CH == 1) || (CONFIG_H8300_TPU_CH == 5) -	1,4,16,64,0,0,256,0, -#elif (CONFIG_H8300_TPU_CH == 2) || (CONFIG_H8300_TPU_CH == 4) -	1,4,16,64,0,0,0,1024, -#elif CONFIG_H8300_TPU_CH == 3 -	1,4,16,64,0,1024,256,4096, -#endif -}; - -void __init h8300_timer_setup(void) -{ -	unsigned int cnt; -	unsigned int div; - -	calc_param(cnt, div, divide_rate, 0x10000); - -	setup_irq(TPUIRQ, &tpu_irq); - -	/* TPU module enabled */ -	ctrl_bclr(3, MSTPCRH); - -	ctrl_outb(0, TSTR); -	ctrl_outb(CCLR0 | div, TPUBASE + _TCR); -	ctrl_outb(0, TPUBASE + _TMDR); -	ctrl_outw(0, TPUBASE + _TIOR); -	ctrl_outb(0x01, TPUBASE + _TIER); -	ctrl_outw(cnt, TPUBASE + _GRA); -	ctrl_bset(CONFIG_H8300_TPU_CH, TSTR); -}  | 
