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Diffstat (limited to 'arch/m68knommu/platform/68328/timers.c')
-rw-r--r--arch/m68knommu/platform/68328/timers.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/arch/m68knommu/platform/68328/timers.c b/arch/m68knommu/platform/68328/timers.c
deleted file mode 100644
index 309f725995bf..000000000000
--- a/arch/m68knommu/platform/68328/timers.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/***************************************************************************/
-
-/*
- * linux/arch/m68knommu/platform/68328/timers.c
- *
- * Copyright (C) 1993 Hamish Macdonald
- * Copyright (C) 1999 D. Jeff Dionne
- * Copyright (C) 2001 Georges Menie, Ken Desmet
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
-
-/***************************************************************************/
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/clocksource.h>
-#include <asm/setup.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/machdep.h>
-#include <asm/MC68VZ328.h>
-
-/***************************************************************************/
-
-#if defined(CONFIG_DRAGEN2)
-/* with a 33.16 MHz clock, this will give usec resolution to the time functions */
-#define CLOCK_SOURCE TCTL_CLKSOURCE_SYSCLK
-#define CLOCK_PRE 7
-#define TICKS_PER_JIFFY 41450
-
-#elif defined(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
- */
-#define CLOCK_SOURCE TCTL_CLKSOURCE_SYSCLK
-#define CLOCK_PRE 2
-#define TICKS_PER_JIFFY 0xd7e4
-
-#else
-/* default to using the 32Khz clock */
-#define CLOCK_SOURCE TCTL_CLKSOURCE_32KHZ
-#define CLOCK_PRE 31
-#define TICKS_PER_JIFFY 10
-#endif
-
-static u32 m68328_tick_cnt;
-
-/***************************************************************************/
-
-static irqreturn_t hw_tick(int irq, void *dummy)
-{
- /* Reset Timer1 */
- TSTAT &= 0;
-
- m68328_tick_cnt += TICKS_PER_JIFFY;
- return arch_timer_interrupt(irq, dummy);
-}
-
-/***************************************************************************/
-
-static struct irqaction m68328_timer_irq = {
- .name = "timer",
- .flags = IRQF_DISABLED | IRQF_TIMER,
- .handler = hw_tick,
-};
-
-/***************************************************************************/
-
-static cycle_t m68328_read_clk(struct clocksource *cs)
-{
- unsigned long flags;
- u32 cycles;
-
- local_irq_save(flags);
- cycles = m68328_tick_cnt + TCN;
- local_irq_restore(flags);
-
- return cycles;
-}
-
-/***************************************************************************/
-
-static struct clocksource m68328_clk = {
- .name = "timer",
- .rating = 250,
- .read = m68328_read_clk,
- .shift = 20,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-/***************************************************************************/
-
-void hw_timer_init(void)
-{
- /* disable timer 1 */
- TCTL = 0;
-
- /* set ISR */
- setup_irq(TMR_IRQ_NUM, &m68328_timer_irq);
-
- /* Restart mode, Enable int, Set clock source */
- TCTL = TCTL_OM | TCTL_IRQEN | CLOCK_SOURCE;
- TPRER = CLOCK_PRE;
- TCMP = TICKS_PER_JIFFY;
-
- /* Enable timer 1 */
- TCTL |= TCTL_TEN;
- m68328_clk.mult = clocksource_hz2mult(TICKS_PER_JIFFY*HZ, m68328_clk.shift);
- clocksource_register(&m68328_clk);
-}
-
-/***************************************************************************/
-
-void m68328_timer_gettod(int *year, int *mon, int *day, int *hour, int *min, int *sec)
-{
- long now = RTCTIME;
-
- *year = *mon = *day = 1;
- *hour = (now >> 24) % 24;
- *min = (now >> 16) % 60;
- *sec = now % 60;
-}
-
-/***************************************************************************/