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-rw-r--r--arch/m68knommu/platform/5307/pit.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c
deleted file mode 100644
index 323f2677e49..00000000000
--- a/arch/m68knommu/platform/5307/pit.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/***************************************************************************/
-
-/*
- * pit.c -- Motorola ColdFire PIT timer. Currently this type of
- * hardware timer only exists in the Motorola ColdFire
- * 5270/5271, 5282 and other CPUs.
- *
- * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com)
- * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com)
- *
- */
-
-/***************************************************************************/
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/param.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <asm/irq.h>
-#include <asm/coldfire.h>
-#include <asm/mcfpit.h>
-#include <asm/mcfsim.h>
-
-/***************************************************************************/
-
-void coldfire_pit_tick(void)
-{
- volatile struct mcfpit *tp;
-
- /* Reset the ColdFire timer */
- tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1);
- tp->pcsr |= MCFPIT_PCSR_PIF;
-}
-
-/***************************************************************************/
-
-void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *))
-{
- volatile unsigned char *icrp;
- volatile unsigned long *imrp;
- volatile struct mcfpit *tp;
-
- request_irq(MCFINT_VECBASE + MCFINT_PIT1, handler, SA_INTERRUPT,
- "ColdFire Timer", NULL);
-
- icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 +
- MCFINTC_ICR0 + MCFINT_PIT1);
- *icrp = ICR_INTRCONF;
-
- imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR);
- *imrp &= ~MCFPIT_IMR_IBIT;
-
- /* Set up PIT timer 1 as poll clock */
- tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1);
- tp->pcsr = MCFPIT_PCSR_DISABLE;
-
- tp->pmr = ((MCF_CLK / 2) / 64) / HZ;
- tp->pcsr = MCFPIT_PCSR_EN | MCFPIT_PCSR_PIE | MCFPIT_PCSR_OVW |
- MCFPIT_PCSR_RLD | MCFPIT_PCSR_CLK64;
-}
-
-/***************************************************************************/
-
-unsigned long coldfire_pit_offset(void)
-{
- volatile struct mcfpit *tp;
- volatile unsigned long *ipr;
- unsigned long pmr, pcntr, offset;
-
- tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1);
- ipr = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR);
-
- pmr = *(&tp->pmr);
- pcntr = *(&tp->pcntr);
-
- /*
- * If we are still in the first half of the upcount and a
- * timer interupt is pending, then add on a ticks worth of time.
- */
- offset = ((pmr - pcntr) * (1000000 / HZ)) / pmr;
- if ((offset < (1000000 / HZ / 2)) && (*ipr & MCFPIT_IMR_IBIT))
- offset += 1000000 / HZ;
- return offset;
-}
-
-/***************************************************************************/