1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/realtek/files/arch/rlx/kernel/rlx-time.c b/target/linux/realtek/files/arch/rlx/kernel/rlx-time.c
new file mode 100644
index 000000000..834eaa210
--- /dev/null
+++ b/target/linux/realtek/files/arch/rlx/kernel/rlx-time.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ * Copyright (c) 2003, 2004  Maciej W. Rozycki
+ *
+ * Common time service routines for MIPS machines.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/bug.h>
+#include <linux/clockchips.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/param.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/smp.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+
+#include <asm/cpu-features.h>
+#include <asm/time.h>
+
+/*
+ * forward reference
+ */
+DEFINE_SPINLOCK(rtc_lock);
+EXPORT_SYMBOL(rtc_lock);
+
+int __weak rtc_mips_set_time(unsigned long sec)
+{
+	return 0;
+}
+
+int __weak rtc_mips_set_mmss(unsigned long nowtime)
+{
+	return rtc_mips_set_time(nowtime);
+}
+
+int update_persistent_clock(struct timespec now)
+{
+	return rtc_mips_set_mmss(now.tv_sec);
+}
+
+#if 0
+/*
+ * time_init() - it does the following things.
+ *
+ * 1) rlx_time_init() -
+ * 	a) (optional) set up RTC routines,
+ *      b) (optional) calibrate and set the mips_hpt_frequency
+ *	    (only needed if you intended to use cpu counter as timer interrupt
+ *	     source)
+ * 2) calculate a couple of cached variables for later usage
+ */
+
+unsigned int mips_hpt_frequency;
+
+void __init clocksource_set_clock(struct clocksource *cs, unsigned int clock)
+{
+	u64 temp;
+	u32 shift;
+
+	/* Find a shift value */
+	for (shift = 32; shift > 0; shift--) {
+		temp = (u64) NSEC_PER_SEC << shift;
+		do_div(temp, clock);
+		if ((temp >> 32) == 0)
+			break;
+	}
+	cs->shift = shift;
+	cs->mult = (u32) temp;
+}
+#endif
+
+void __cpuinit clockevent_set_clock(struct clock_event_device *cd,
+	unsigned int clock)
+{
+	u64 temp;
+	u32 shift;
+
+	/* Find a shift value */
+	for (shift = 32; shift > 0; shift--) {
+		temp = (u64) clock << shift;
+		do_div(temp, NSEC_PER_SEC);
+		if ((temp >> 32) == 0)
+			break;
+	}
+	cd->shift = shift;
+	cd->mult = (u32) temp;
+}
+
+/*
+ * This function exists in order to cause an error due to a duplicate
+ * definition if platform code should have its own implementation.  The hook
+ * to use instead is bsp_time_init.  bsp_time_init does not receive the
+ * irqaction pointer argument anymore.  This is because any function which
+ * initializes an interrupt timer now takes care of its own request_irq rsp.
+ * setup_irq calls and each clock_event_device should use its own
+ * struct irqrequest.
+ */
+void __init time_init(void)
+{
+  extern void bsp_timer_init(void);
+  bsp_timer_init();
+}