Commit 03981f24 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds

[PATCH] m68knommu: extract common timer code for 68EZ328 processor

Rework the 68x328 configuration and setup code. All 68x328 varients
share the same timer hardware. So extract that into its own file,
instead of keeping copies in each processors setup code.
Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent d9b9d5dd
/***************************************************************************/
/* /*
* linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c * linux/arch/m68knommu/platform/68EZ328/config.c
* *
* Copyright (C) 1993 Hamish Macdonald * Copyright (C) 1993 Hamish Macdonald
* Copyright (C) 1999 D. Jeff Dionne * Copyright (C) 1999 D. Jeff Dionne
...@@ -9,6 +11,8 @@ ...@@ -9,6 +11,8 @@
* for more details. * for more details.
*/ */
/***************************************************************************/
#include <stdarg.h> #include <stdarg.h>
#include <linux/config.h> #include <linux/config.h>
#include <linux/types.h> #include <linux/types.h>
...@@ -20,68 +24,22 @@ ...@@ -20,68 +24,22 @@
#include <asm/setup.h> #include <asm/setup.h>
#include <asm/system.h> #include <asm/system.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/machdep.h> #include <asm/machdep.h>
#include <asm/MC68EZ328.h> #include <asm/MC68EZ328.h>
#ifdef CONFIG_UCSIMM #ifdef CONFIG_UCSIMM
#include <asm/bootstd.h> #include <asm/bootstd.h>
#endif #endif
#ifdef CONFIG_PILOT
#include "PalmV/romfs.h"
#endif
void BSP_sched_init(void (*timer_routine)(int, void *, struct pt_regs *))
{
/* Restart mode, Enable int, 32KHz, Enable timer */
TCTL = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
/* Set prescaler (Divide 32KHz by 32)*/
TPRER = 31;
/* Set compare register 32Khz / 32 / 10 = 100 */
TCMP = 10;
request_irq(TMR_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
}
void BSP_tick(void)
{
/* Reset Timer1 */
TSTAT &= 0;
}
unsigned long BSP_gettimeoffset (void)
{
return 0;
}
void BSP_gettod (int *yearp, int *monp, int *dayp, /***************************************************************************/
int *hourp, int *minp, int *secp)
{
}
int BSP_hwclk(int op, struct hwclk_time *t) void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *));
{ void m68328_timer_tick(void);
if (!op) { unsigned long m68328_timer_gettimeoffset(void);
/* read */ void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec);
} else {
/* write */
}
return 0;
}
int BSP_set_clock_mmss (unsigned long nowtime) /***************************************************************************/
{
#if 0
short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
tod->second1 = real_seconds / 10; void m68ez328_reset(void)
tod->second2 = real_seconds % 10;
tod->minute1 = real_minutes / 10;
tod->minute2 = real_minutes % 10;
#endif
return 0;
}
void BSP_reset (void)
{ {
local_irq_disable(); local_irq_disable();
asm volatile (" asm volatile ("
...@@ -93,6 +51,8 @@ void BSP_reset (void) ...@@ -93,6 +51,8 @@ void BSP_reset (void)
"); ");
} }
/***************************************************************************/
unsigned char *cs8900a_hwaddr; unsigned char *cs8900a_hwaddr;
static int errno; static int errno;
...@@ -119,11 +79,13 @@ void config_BSP(char *command, int len) ...@@ -119,11 +79,13 @@ void config_BSP(char *command, int len)
else command[0] = 0; else command[0] = 0;
#endif #endif
mach_sched_init = BSP_sched_init; mach_sched_init = m68328_timer_init;
mach_tick = BSP_tick; mach_tick = m68328_timer_tick;
mach_gettimeoffset = BSP_gettimeoffset; mach_gettimeoffset = m68328_timer_gettimeoffset;
mach_gettod = BSP_gettod; mach_gettod = m68328_timer_gettod;
mach_hwclk = NULL; mach_hwclk = NULL;
mach_set_clock_mmss = NULL; mach_set_clock_mmss = NULL;
mach_reset = BSP_reset; mach_reset = m68ez328_reset;
} }
/***************************************************************************/
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