1 files changed, 29 insertions, 0 deletions

diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
new file mode 100644
index 000000000000..74c5c62365a8
--- /dev/null
+++ b/arch/mips/kernel/csrc-r4k.c
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2007 by Ralf Baechle
+ */
+
+static cycle_t c0_hpt_read(void)
+{
+        return read_c0_count();
+}
+
+static struct clocksource clocksource_mips = {
+        .name           = "MIPS",
+        .read           = c0_hpt_read,
+        .mask           = CLOCKSOURCE_MASK(32),
+        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+static void __init init_mips_clocksource(void)
+{
+        /* Calclate a somewhat reasonable rating value */
+        clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
+
+        clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
+
+        clocksource_register(&clocksource_mips);
+}