diff options
| author | Byungho Min <bhminjames@gmail.com> | 2009-06-23 21:40:03 +0900 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2009-08-16 23:25:00 +0100 |
| commit | c9b870e7e796eea515a261a314917317ebb1cb4a (patch) | |
| tree | 09e360ea4c3f85153307009ee890e73992079f61 /arch/arm/mach-s5pc100/include/mach/tick.h | |
| parent | 0164cbf4390fbcd7125fc8d476a451a3efa14c5d (diff) | |
ARM: S5PC100: IRQ and timer
S5PC100 has 3 VICs(Vectored Interrupt Controller). The VICs come from S3C64xx
series, so the driver source code can be shared with S3C families. The S5PC100
has 3 VICs while S3C64xx has only 2.
Signed-off-by: Byungho Min <bhmin@samsung.com>
[ben-linux@fluff.org: subject fixup]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s5pc100/include/mach/tick.h')
| -rw-r--r-- | arch/arm/mach-s5pc100/include/mach/tick.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/include/mach/tick.h b/arch/arm/mach-s5pc100/include/mach/tick.h new file mode 100644 index 00000000000..d3de0f3591a --- /dev/null +++ b/arch/arm/mach-s5pc100/include/mach/tick.h @@ -0,0 +1,29 @@ +/* linux/arch/arm/mach-s5pc100/include/mach/tick.h + * + * Copyright 2009 Samsung Electronics Co. + * Byungho Min <bhmin@samsung.com> + * + * S3C64XX - Timer tick support definitions + * + * Based on mach-s3c6400/include/mach/tick.h + * + * 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 - S5PC1XX_IRQ_VIC0(0)); +} + +#define TICK_MAX (0xffffffff) + +#endif /* __ASM_ARCH_TICK_H */ |