Merge branch 'torvalds/master'

[firefly-linux-kernel-4.4.55.git] / arch / m68k / platform / 68000 / timers.c

diff --git a/arch/m68k/platform/68000/timers.c b/arch/m68k/platform/68000/timers.c
deleted file mode 100644 (file)
index ec30acb..0000000
--- a/arch/m68k/platform/68000/timers.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/***************************************************************************/
-
-/*
- *  timers.c - Generic hardware timer support.
- *
- *  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 <linux/rtc.h>
-#include <asm/setup.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 irq_handler_t timer_interrupt;
-
-/***************************************************************************/
-
-static irqreturn_t hw_tick(int irq, void *dummy)
-{
-       /* Reset Timer1 */
-       TSTAT &= 0;
-
-       m68328_tick_cnt += TICKS_PER_JIFFY;
-       return 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,
-       .mask   = CLOCKSOURCE_MASK(32),
-       .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
-/***************************************************************************/
-
-void hw_timer_init(irq_handler_t handler)
-{
-       /* 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;
-       clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ);
-       timer_interrupt = handler;
-}
-
-/***************************************************************************/
-
-int m68328_hwclk(int set, struct rtc_time *t)
-{
-       if (!set) {
-               long now = RTCTIME;
-               t->tm_year = t->tm_mon = t->tm_mday = 1;
-               t->tm_hour = (now >> 24) % 24;
-               t->tm_min = (now >> 16) % 60;
-               t->tm_sec = now % 60;
-       }
-
-       return 0;
-}
-
-/***************************************************************************/