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

arch/m68knommu/platform/68EZ328/config.c

+21 −59
Original line number Diff line number Diff line 
/***************************************************************************/



/*

 *  linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c

 *  linux/arch/m68knommu/platform/68EZ328/config.c

 *

 *  Copyright (C) 1993 Hamish Macdonald

 *  Copyright (C) 1999 D. Jeff Dionne
@@ -9,6 +11,8 @@ 
 * for more details.

 */



/***************************************************************************/



#include <stdarg.h>

#include <linux/config.h>

#include <linux/types.h>
@@ -20,68 +24,22 @@ 
#include <asm/setup.h>

#include <asm/system.h>

#include <asm/pgtable.h>

#include <asm/irq.h>

#include <asm/machdep.h>

#include <asm/MC68EZ328.h>

#ifdef CONFIG_UCSIMM

#include <asm/bootstd.h>

#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 m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *));

void m68328_timer_tick(void);

unsigned long m68328_timer_gettimeoffset(void);

void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec);



void BSP_gettod (int *yearp, int *monp, int *dayp,

		   int *hourp, int *minp, int *secp)

{

}

/***************************************************************************/



int BSP_hwclk(int op, struct hwclk_time *t)

{

  if (!op) {

    /* read */

  } 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;

  tod->second2 = real_seconds % 10;

  tod->minute1 = real_minutes / 10;

  tod->minute2 = real_minutes % 10;

#endif

  return 0;

}



void BSP_reset (void)

void m68ez328_reset(void)

{

  local_irq_disable();

  asm volatile ("
@@ -93,6 +51,8 @@ void BSP_reset (void) 
    ");

}



/***************************************************************************/



unsigned char *cs8900a_hwaddr;

static int errno;
@@ -119,11 +79,13 @@ void config_BSP(char *command, int len) 
  else command[0] = 0;

#endif

 

  mach_sched_init      = BSP_sched_init;

  mach_tick            = BSP_tick;

  mach_gettimeoffset   = BSP_gettimeoffset;

  mach_gettod          = BSP_gettod;

  mach_sched_init      = m68328_timer_init;

  mach_tick            = m68328_timer_tick;

  mach_gettimeoffset   = m68328_timer_gettimeoffset;

  mach_gettod          = m68328_timer_gettod;

  mach_hwclk           = NULL;

  mach_set_clock_mmss  = NULL;

  mach_reset           = BSP_reset;

  mach_reset           = m68ez328_reset;

}



/***************************************************************************/