From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/cris/kernel/time.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 arch/cris/kernel/time.c

(limited to 'arch/cris/kernel/time.c')

diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
new file mode 100644
index 000000000..7780d3795
--- /dev/null
+++ b/arch/cris/kernel/time.c
@@ -0,0 +1,97 @@
+/*
+ *  linux/arch/cris/kernel/time.c
+ *
+ *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *  Copyright (C) 1999, 2000, 2001 Axis Communications AB
+ *
+ * 1994-07-02    Alan Modra
+ *	fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
+ * 1995-03-26    Markus Kuhn
+ *      fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
+ *      precision CMOS clock update
+ * 1996-05-03    Ingo Molnar
+ *      fixed time warps in do_[slow|fast]_gettimeoffset()
+ * 1997-09-10	Updated NTP code according to technical memorandum Jan '96
+ *		"A Kernel Model for Precision Timekeeping" by Dave Mills
+ *
+ * Linux/CRIS specific code:
+ *
+ * Authors:    Bjorn Wesen
+ *             Johan Adolfsson
+ *
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/param.h>
+#include <linux/jiffies.h>
+#include <linux/bcd.h>
+#include <linux/timex.h>
+#include <linux/init.h>
+#include <linux/profile.h>
+#include <linux/sched.h>	/* just for sched_clock() - funny that */
+
+
+#define D(x)
+
+#define TICK_SIZE tick
+
+extern unsigned long loops_per_jiffy; /* init/main.c */
+unsigned long loops_per_usec;
+
+int set_rtc_mmss(unsigned long nowtime)
+{
+	D(printk(KERN_DEBUG "set_rtc_mmss(%lu)\n", nowtime));
+	return 0;
+}
+
+/* grab the time from the RTC chip */
+unsigned long get_cmos_time(void)
+{
+	return 0;
+}
+
+
+int update_persistent_clock(struct timespec now)
+{
+	return set_rtc_mmss(now.tv_sec);
+}
+
+void read_persistent_clock(struct timespec *ts)
+{
+	ts->tv_sec = 0;
+	ts->tv_nsec = 0;
+}
+
+
+extern void cris_profile_sample(struct pt_regs* regs);
+
+void
+cris_do_profile(struct pt_regs* regs)
+{
+
+#ifdef CONFIG_SYSTEM_PROFILER
+        cris_profile_sample(regs);
+#endif
+
+#ifdef CONFIG_PROFILING
+	profile_tick(CPU_PROFILING);
+#endif
+}
+
+#ifndef CONFIG_GENERIC_SCHED_CLOCK
+unsigned long long sched_clock(void)
+{
+	return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) +
+		get_ns_in_jiffie();
+}
+#endif
+
+static int
+__init init_udelay(void)
+{
+	loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
+	return 0;
+}
+
+__initcall(init_udelay);
-- 
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