summaryrefslogtreecommitdiff
path: root/arch/ia64/include/asm/sn/clksupport.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/ia64/include/asm/sn/clksupport.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/ia64/include/asm/sn/clksupport.h')
-rw-r--r--arch/ia64/include/asm/sn/clksupport.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/clksupport.h b/arch/ia64/include/asm/sn/clksupport.h
new file mode 100644
index 00000000..d340c365
--- /dev/null
+++ b/arch/ia64/include/asm/sn/clksupport.h
@@ -0,0 +1,28 @@
+/*
+ * 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) 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ */
+
+/*
+ * This file contains definitions for accessing a platform supported high resolution
+ * clock. The clock is monitonically increasing and can be accessed from any node
+ * in the system. The clock is synchronized across nodes - all nodes see the
+ * same value.
+ *
+ * RTC_COUNTER_ADDR - contains the address of the counter
+ *
+ */
+
+#ifndef _ASM_IA64_SN_CLKSUPPORT_H
+#define _ASM_IA64_SN_CLKSUPPORT_H
+
+extern unsigned long sn_rtc_cycles_per_second;
+
+#define RTC_COUNTER_ADDR ((long *)LOCAL_MMR_ADDR(SH_RTC))
+
+#define rtc_time() (*RTC_COUNTER_ADDR)
+
+#endif /* _ASM_IA64_SN_CLKSUPPORT_H */