1 files changed, 64 insertions, 0 deletions

diff --git a/arch/mips/kernel/genrtc.c b/arch/mips/kernel/genrtc.c
new file mode 100644
index 000000000000..288bf51ad4ec
--- /dev/null
+++ b/arch/mips/kernel/genrtc.c
@@ -0,0 +1,64 @@
+/*
+ * A glue layer that provides RTC read/write to drivers/char/genrtc.c driver
+ * based on MIPS internal RTC routines.  It does take care locking
+ * issues so that we are SMP/Preemption safe.
+ *
+ * Copyright (C) 2004 MontaVista Software Inc.
+ * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
+ *
+ * Please read the COPYING file for all license details.
+ */
+
+#include <linux/spinlock.h>
+
+#include <asm/rtc.h>
+#include <asm/time.h>
+
+static spinlock_t mips_rtc_lock = SPIN_LOCK_UNLOCKED;
+
+unsigned int get_rtc_time(struct rtc_time *time)
+{
+        unsigned long nowtime;
+
+        spin_lock(&mips_rtc_lock);
+        nowtime = rtc_get_time();
+        to_tm(nowtime, time);
+        time->tm_year -= 1900;
+        spin_unlock(&mips_rtc_lock);
+
+        return RTC_24H;
+}
+
+int set_rtc_time(struct rtc_time *time)
+{
+        unsigned long nowtime;
+        int ret;
+
+        spin_lock(&mips_rtc_lock);
+        nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
+                        time->tm_mday, time->tm_hour, time->tm_min,
+                        time->tm_sec);
+        ret = rtc_set_time(nowtime);
+        spin_unlock(&mips_rtc_lock);
+
+        return ret;
+}
+
+unsigned int get_rtc_ss(void)
+{
+        struct rtc_time h;
+
+        get_rtc_time(&h);
+        return h.tm_sec;
+}
+
+int get_rtc_pll(struct rtc_pll_info *pll)
+{
+        return -EINVAL;
+}
+
+int set_rtc_pll(struct rtc_pll_info *pll)
+{
+        return -EINVAL;
+}
+