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authorJames Hogan <james.hogan@imgtec.com>2012-10-09 10:54:39 +0100
committerJames Hogan <james.hogan@imgtec.com>2013-03-02 20:09:22 +0000
commita2c5d4ed92bbc02ff4a37efc2adffe7d145abe4f (patch)
tree21fc65e4f0b04928025565f208a410a7a64ab523 /include/clocksource
parentbc3966bf1583a6c22b76397535174445c43952de (diff)
downloadlinux-stericsson-a2c5d4ed92bbc02ff4a37efc2adffe7d145abe4f.tar.gz
metag: Time keeping
Add time keeping code for metag. Meta hardware threads have 2 timers. The background timer (TXTIMER) is used as a free-running time base, and the interrupt timer (TXTIMERI) is used for the timer interrupt. Both counters traditionally count at approximately 1MHz. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/clocksource')
-rw-r--r--include/clocksource/metag_generic.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/clocksource/metag_generic.h b/include/clocksource/metag_generic.h
new file mode 100644
index 000000000000..ac17e7d06cfb
--- /dev/null
+++ b/include/clocksource/metag_generic.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2013 Imaginaton Technologies Ltd.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __CLKSOURCE_METAG_GENERIC_H
+#define __CLKSOURCE_METAG_GENERIC_H
+
+extern int metag_generic_timer_init(void);
+
+#endif /* __CLKSOURCE_METAG_GENERIC_H */