tree 1e877930c8301ee7d6149ab5768a745cf0e99a58
parent 8c2b58ce716112cbba167b0abcb9558c118b8c9a
author Greg Ungerer <[EMAIL PROTECTED]> Fri, 09 Sep 2005 09:32:14 +1000
committer Linus Torvalds <[EMAIL PROTECTED]> Fri, 09 Sep 2005 07:27:36 -0700

[PATCH] m68knommu: extract common timer code for 68328 processor

Rework the 68x328 configuration and setup code. All 68x328 varient
share the same timer hardware, so extract that into its own file,
instead of keeping copies in each processors setup code.

Signed-off-by: Greg Ungerer <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>

 arch/m68knommu/platform/68328/config.c |   94 +++++++--------------------------
 1 files changed, 21 insertions(+), 73 deletions(-)

diff --git a/arch/m68knommu/platform/68328/config.c 
b/arch/m68knommu/platform/68328/config.c
--- a/arch/m68knommu/platform/68328/config.c
+++ b/arch/m68knommu/platform/68328/config.c
@@ -1,5 +1,7 @@
+/***************************************************************************/
+
 /*
- *  linux/arch/$(ARCH)/platform/$(PLATFORM)/config.c
+ *  linux/arch/m68knommu/platform/68328/config.c
  *
  *  Copyright (C) 1993 Hamish Macdonald
  *  Copyright (C) 1999 D. Jeff Dionne
@@ -11,6 +13,8 @@
  * VZ Support/Fixes             Evan Stawnyczy <[EMAIL PROTECTED]>
  */
 
+/***************************************************************************/
+
 #include <asm/dbg.h>
 #include <stdarg.h>
 #include <linux/config.h>
@@ -29,76 +33,16 @@
 #include <asm/machdep.h>
 #include <asm/MC68328.h>
 
+/***************************************************************************/
 
-void BSP_sched_init(irqreturn_t (*timer_routine)(int, void *, struct pt_regs 
*))
-{
-
-#ifdef CONFIG_XCOPILOT_BUGS
-  /*
-   * The only thing I know is that CLK32 is not available on Xcopilot
-   * I have little idea about what frequency SYSCLK has on Xcopilot. 
-   * The values for prescaler and compare registers were simply 
-   * taken from the original source
-   */
-
-  /* Restart mode, Enable int, SYSCLK, Enable timer */
-  TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_SYSCLK | TCTL_TEN;
-  /* Set prescaler */
-  TPRER2 = 2;
-  /* Set compare register */
-  TCMP2 = 0xd7e4;
-#else
-  /* Restart mode, Enable int, 32KHz, Enable timer */
-  TCTL2 = TCTL_OM | TCTL_IRQEN | TCTL_CLKSOURCE_32KHZ | TCTL_TEN;
-  /* Set prescaler (Divide 32KHz by 32)*/
-  TPRER2 = 31;
-  /* Set compare register  32Khz / 32 / 10 = 100 */
-  TCMP2 = 10;
-#endif
-                                                                    
-  request_irq(TMR2_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
-}
-
-void BSP_tick(void)
-{
-  /* Reset Timer2 */
-  TSTAT2 &= 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)
-{
-  if (!op) {
-    /* read */
-  } else {
-    /* write */
-  }
-  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);
 
-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 m68328_reset (void)
 {
   local_irq_disable();
   asm volatile ("moveal #0x10c00000, %a0;\n\t"
@@ -108,18 +52,22 @@ void BSP_reset (void)
                "jmp (%a0);");
 }
 
+/***************************************************************************/
+
 void config_BSP(char *command, int len)
 {
   printk(KERN_INFO "\n68328 support D. Jeff Dionne <[EMAIL PROTECTED]>\n");
   printk(KERN_INFO "68328 support Kenneth Albanowski <[EMAIL PROTECTED]>\n");
   printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <[EMAIL PROTECTED]>\n");
 
-  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           = m68328_reset;
   *command = '\0';
 }
+
+/***************************************************************************/
-
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