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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-01-15 18:19:03 +0800 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 09:19:10 +0800 |
| commit | 02b2ee16cc31df2b23d6f6c68a597d947f6c10e8 (patch) | |
| tree | ac92441c0286fc3458339589c4e9de27e6be6067 /arch/unicore32/include | |
| parent | 10c9c10c31514564b09c153432a42ffaea3ce831 (diff) | |
| download | op-kernel-dev-02b2ee16cc31df2b23d6f6c68a597d947f6c10e8.zip op-kernel-dev-02b2ee16cc31df2b23d6f6c68a597d947f6c10e8.tar.gz | |
unicore32 core architecture: timer and time handling
This patch implements timer and time.
RTC and PWM device drivers are also here.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include')
| -rw-r--r-- | arch/unicore32/include/asm/timex.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/unicore32/include/asm/timex.h b/arch/unicore32/include/asm/timex.h new file mode 100644 index 0000000..faf16ba --- /dev/null +++ b/arch/unicore32/include/asm/timex.h @@ -0,0 +1,34 @@ +/* + * linux/arch/unicore32/include/asm/timex.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * 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 __UNICORE_TIMEX_H__ +#define __UNICORE_TIMEX_H__ + +#ifdef CONFIG_ARCH_FPGA + +/* in FPGA, APB clock is 33M, and OST clock is 32K, */ +/* so, 1M is selected for timer interrupt correctly */ +#define CLOCK_TICK_RATE (32*1024) + +#endif + +#if defined(CONFIG_PUV3_DB0913) \ + || defined(CONFIG_PUV3_NB0916) \ + || defined(CONFIG_PUV3_SMW0919) + +#define CLOCK_TICK_RATE (14318000) + +#endif + +#include <asm-generic/timex.h> + +#endif |
