summaryrefslogtreecommitdiffstats
path: root/arch/mn10300/unit-asb2305/include/unit/clock.h
blob: 7d514841ffda7ca790fdd07ee1a6522f4ce39203 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/* ASB2305-specific clocks
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#ifndef _ASM_UNIT_CLOCK_H
#define _ASM_UNIT_CLOCK_H

#ifndef __ASSEMBLY__

#ifdef CONFIG_MN10300_RTC

extern unsigned long mn10300_ioclk;	/* IOCLK (crystal speed) in HZ */
extern unsigned long mn10300_iobclk;
extern unsigned long mn10300_tsc_per_HZ;

#define MN10300_IOCLK		((unsigned long)mn10300_ioclk)
/* If this processors has a another clock, uncomment the below. */
/* #define MN10300_IOBCLK	((unsigned long)mn10300_iobclk) */

#else /* !CONFIG_MN10300_RTC */

#define MN10300_IOCLK		33333333UL
/* #define MN10300_IOBCLK	66666666UL */

#endif /* !CONFIG_MN10300_RTC */

#define MN10300_JCCLK		MN10300_IOCLK
#define MN10300_TSCCLK		MN10300_IOCLK

#ifdef CONFIG_MN10300_RTC
#define MN10300_TSC_PER_HZ	((unsigned long)mn10300_tsc_per_HZ)
#else /* !CONFIG_MN10300_RTC */
#define MN10300_TSC_PER_HZ	(MN10300_TSCCLK/HZ)
#endif /* !CONFIG_MN10300_RTC */

#endif /* !__ASSEMBLY__ */

#endif /* _ASM_UNIT_CLOCK_H */