46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/* ASB2303-specific clocks
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_UNIT_CLOCK_H
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#define _ASM_UNIT_CLOCK_H
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_MN10300_RTC
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extern unsigned long mn10300_ioclk; /* IOCLK (crystal speed) in HZ */
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extern unsigned long mn10300_iobclk;
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extern unsigned long mn10300_tsc_per_HZ;
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#define MN10300_IOCLK ((unsigned long)mn10300_ioclk)
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/* If this processors has a another clock, uncomment the below. */
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/* #define MN10300_IOBCLK ((unsigned long)mn10300_iobclk) */
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#else /* !CONFIG_MN10300_RTC */
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#define MN10300_IOCLK 33333333UL
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/* #define MN10300_IOBCLK 66666666UL */
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#endif /* !CONFIG_MN10300_RTC */
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#define MN10300_JCCLK MN10300_IOCLK
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#define MN10300_TSCCLK MN10300_IOCLK
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#ifdef CONFIG_MN10300_RTC
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#define MN10300_TSC_PER_HZ ((unsigned long)mn10300_tsc_per_HZ)
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#else /* !CONFIG_MN10300_RTC */
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#define MN10300_TSC_PER_HZ (MN10300_TSCCLK/HZ)
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#endif /* !CONFIG_MN10300_RTC */
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#endif /* !__ASSEMBLY__ */
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#endif /* _ASM_UNIT_CLOCK_H */
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