diff options
Diffstat (limited to 'arch/m68knommu/platform/68328/timers.c')
| -rw-r--r-- | arch/m68knommu/platform/68328/timers.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/arch/m68knommu/platform/68328/timers.c b/arch/m68knommu/platform/68328/timers.c deleted file mode 100644 index 68c2cd6b003..00000000000 --- a/arch/m68knommu/platform/68328/timers.c +++ /dev/null @@ -1,106 +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/config.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <asm/setup.h> -#include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/irq.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 - -/***************************************************************************/ - -void m68328_timer_init(irqreturn_t (*timer_routine) (int, void *, struct pt_regs *)) -{ - /* disable timer 1 */ - TCTL = 0; - - /* set ISR */ - if (request_irq(TMR_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL)) - panic("Unable to attach timer interrupt\n"); - - /* 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; -} - -/***************************************************************************/ - -void m68328_timer_tick(void) -{ - /* Reset Timer1 */ - TSTAT &= 0; -} -/***************************************************************************/ - -unsigned long m68328_timer_gettimeoffset(void) -{ - unsigned long ticks = TCN, offset = 0; - - /* check for pending interrupt */ - if (ticks < (TICKS_PER_JIFFY >> 1) && (ISR & (1 << TMR_IRQ_NUM))) - offset = 1000000 / HZ; - ticks = (ticks * 1000000 / HZ) / TICKS_PER_JIFFY; - return ticks + offset; -} - -/***************************************************************************/ - -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; -} - -/***************************************************************************/ |
