m68k: Drop CONFIG_MCFPIT support

[platform/kernel/u-boot.git] / arch / m68k / lib / time.c

diff --git a/arch/m68k/lib/time.c b/arch/m68k/lib/time.c
index a85c22b..bde1f4c 100644 (file)
--- a/arch/m68k/lib/time.c
+++ b/arch/m68k/lib/time.c
@@ -1,13 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de>
  *
  * (C) Copyright 2000
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:    GPL-2.0+ 
  */
 
 #include <common.h>
+#include <irq_func.h>
+#include <time.h>
 
 #include <asm/timer.h>
 #include <asm/immap.h>
@@ -109,69 +110,6 @@ ulong get_timer(ulong base)
 
 #endif                         /* CONFIG_MCFTMR */
 
-#if defined(CONFIG_MCFPIT)
-#if !defined(CONFIG_SYS_PIT_BASE)
-#      error   "CONFIG_SYS_PIT_BASE not defined!"
-#endif
-
-static unsigned short lastinc;
-
-void __udelay(unsigned long usec)
-{
-       volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_UDELAY_BASE);
-       uint tmp;
-
-       while (usec > 0) {
-               if (usec > 65000)
-                       tmp = 65000;
-               else
-                       tmp = usec;
-               usec = usec - tmp;
-
-               /* Set up TIMER 3 as timebase clock */
-               timerp->pcsr = PIT_PCSR_OVW;
-               timerp->pmr = 0;
-               /* set period to 1 us */
-               timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
-               timerp->pmr = tmp;
-               while (timerp->pcntr > 0) ;
-       }
-}
-
-void timer_init(void)
-{
-       volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
-       timestamp = 0;
-
-       /* Set up TIMER 4 as poll clock */
-       timerp->pcsr = PIT_PCSR_OVW;
-       timerp->pmr = lastinc = 0;
-       timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN;
-
-       return 0;
-}
-
-ulong get_timer(ulong base)
-{
-       unsigned short now, diff;
-       volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE);
-
-       now = timerp->pcntr;
-       diff = -(now - lastinc);
-
-       timestamp += diff;
-       lastinc = now;
-       return timestamp - base;
-}
-
-void wait_ticks(unsigned long ticks)
-{
-       u32 start = get_timer(0);
-       while (get_timer(start) < ticks) ;
-}
-#endif                         /* CONFIG_MCFPIT */
-
 /*
  * This function is derived from PowerPC code (read timebase as long long).
  * On M68K it just returns the timer value.
@@ -192,7 +130,5 @@ unsigned long usec2ticks(unsigned long usec)
  */
 ulong get_tbclk(void)
 {
-       ulong tbclk;
-       tbclk = CONFIG_SYS_HZ;
-       return tbclk;
+       return CONFIG_SYS_HZ;
 }