time.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * linux/arch/arm/mach-integrator/time.c
- *
- * Copyright (C) 2000-2001 Deep Blue Solutions
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <linux/init.h>
- #include <asm/hardware.h>
- #include <asm/io.h>
- #define RTC_DR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 0)
- #define RTC_MR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 4)
- #define RTC_STAT (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 8)
- #define RTC_EOI (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 8)
- #define RTC_LR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 12)
- #define RTC_CR (IO_ADDRESS(INTEGRATOR_RTC_BASE) + 16)
- #define RTC_CR_MIE 0x00000001
- extern int (*set_rtc)(void);
- static int integrator_set_rtc(void)
- {
- __raw_writel(xtime.tv_sec, RTC_LR);
- return 1;
- }
- static int integrator_rtc_init(void)
- {
- __raw_writel(0, RTC_CR);
- __raw_writel(0, RTC_EOI);
- xtime.tv_sec = __raw_readl(RTC_DR);
- set_rtc = integrator_set_rtc;
- return 0;
- }
- __initcall(integrator_rtc_init);