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authorBen Dooks <ben-linux@fluff.org>2008-10-21 14:06:52 +0100
committerBen Dooks <ben-linux@fluff.org>2008-10-21 14:12:20 +0100
commit4ccb3ddc8e3d165400a9d54b804e15276fa240fa (patch)
treed298e8765cf6f8fb03f9aa7bb2742d406b61fdbe /arch/arm
parentff347a0f3fb3ef5a5af60606b571a3101bc9a631 (diff)
[ARM] S3C6400: Add <mach/tick.h>
Add the necessary support for the timer on the S3C6400 and S3C6410 by adding <mach/tick.h> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-s3c6400/include/mach/tick.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6400/include/mach/tick.h b/arch/arm/mach-s3c6400/include/mach/tick.h
new file mode 100644
index 00000000000..95e5ec92ee9
--- /dev/null
+++ b/arch/arm/mach-s3c6400/include/mach/tick.h
@@ -0,0 +1,27 @@
+/* linux/arch/arm/mach-s3c6400/include/mach/tick.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C64XX - Timer tick support definitions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_TICK_H
+#define __ASM_ARCH_TICK_H __FILE__
+
+/* note, the timer interrutps turn up in 2 places, the vic and then
+ * the timer block. We take the VIC as the base at the moment.
+ */
+static inline u32 s3c24xx_ostimer_pending(void)
+{
+ u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);
+ return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
+}
+
+#endif /* __ASM_ARCH_6400_TICK_H */