linux-kernel - [PATCH 25/58] microblaze

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Date:	Tue,  8 Jul 2008 13:59:25 +0200
From:	monstr@...str.eu
To:	linux-kernel@...r.kernel.org
Cc:	monstr@...nam.cz, arnd@...db.de, linux-arch@...r.kernel.org,
	stephen.neuendorffer@...inx.com, John.Linn@...inx.com,
	john.williams@...alogix.com, matthew@....cx, will.newton@...il.com,
	drepper@...hat.com, microblaze-uclinux@...e.uq.edu.au,
	grant.likely@...retlab.ca, vapier.adi@...il.com,
	alan@...rguk.ukuu.org.uk, hpa@...or.com, lethal@...ux-sh.org,
	florian@...nwrt.org, Michal Simek <monstr@...str.eu>
Subject: [PATCH 25/58] microblaze_v5: time support

From: Michal Simek <monstr@...str.eu>

Acked-by: Stephen Neuendorffer <stephen.neuendorffer@...inx.com>
Signed-off-by: Michal Simek <monstr@...str.eu>
---
 include/asm-microblaze/delay.h |   30 ++++++++++++++++++++++++++++++
 include/asm-microblaze/timex.h |   18 ++++++++++++++++++
 2 files changed, 48 insertions(+), 0 deletions(-)
 create mode 100644 include/asm-microblaze/delay.h
 create mode 100644 include/asm-microblaze/timex.h

diff --git a/include/asm-microblaze/delay.h b/include/asm-microblaze/delay.h
new file mode 100644
index 0000000..cdafdad
--- /dev/null
+++ b/include/asm-microblaze/delay.h
@@ -0,0 +1,30 @@
+/*
+ * include/asm-microblaze/delay.h
+ *
+ * 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) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_DELAY_H
+#define _ASM_MICROBLAZE_DELAY_H
+
+extern unsigned long loops_per_jiffy;
+
+extern inline void __delay(unsigned long loops)
+{
+	asm volatile ("# __delay		\n\t"		\
+			"1: addi	%0, %0, -1 \t\n"	\
+			"bneid	%0, 1b		\t\n"		\
+			"nop			\t\n"
+			: "=r" (loops)
+			: "0" (loops));
+}
+
+static inline void udelay(unsigned long usec)
+{
+}
+
+#endif /* _ASM_MICROBLAZE_DELAY_H */
diff --git a/include/asm-microblaze/timex.h b/include/asm-microblaze/timex.h
new file mode 100644
index 0000000..678525d
--- /dev/null
+++ b/include/asm-microblaze/timex.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * 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.
+ */
+
+#ifndef _ASM_MICROBLAZE_TIMEX_H
+#define _ASM_MICROBLAZE_TIMEX_H
+
+#define CLOCK_TICK_RATE 1000 /* Timer input freq. */
+
+typedef unsigned long cycles_t;
+
+#define get_cycles()	(0)
+
+#endif /* _ASM_TIMEX_H */
-- 
1.5.4.GIT

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