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b920de1b DH |
1 | /* ASB2303-specific clocks |
2 | * | |
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public Licence | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the Licence, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #ifndef _ASM_UNIT_CLOCK_H | |
13 | #define _ASM_UNIT_CLOCK_H | |
14 | ||
15 | #ifndef __ASSEMBLY__ | |
16 | ||
17 | #ifdef CONFIG_MN10300_RTC | |
18 | ||
19 | extern unsigned long mn10300_ioclk; /* IOCLK (crystal speed) in HZ */ | |
20 | extern unsigned long mn10300_iobclk; | |
21 | extern unsigned long mn10300_tsc_per_HZ; | |
22 | ||
23 | #define MN10300_IOCLK ((unsigned long)mn10300_ioclk) | |
24 | /* If this processors has a another clock, uncomment the below. */ | |
25 | /* #define MN10300_IOBCLK ((unsigned long)mn10300_iobclk) */ | |
26 | ||
27 | #else /* !CONFIG_MN10300_RTC */ | |
28 | ||
29 | #define MN10300_IOCLK 33333333UL | |
30 | /* #define MN10300_IOBCLK 66666666UL */ | |
31 | ||
32 | #endif /* !CONFIG_MN10300_RTC */ | |
33 | ||
34 | #define MN10300_JCCLK MN10300_IOCLK | |
35 | #define MN10300_TSCCLK MN10300_IOCLK | |
36 | ||
37 | #ifdef CONFIG_MN10300_RTC | |
38 | #define MN10300_TSC_PER_HZ ((unsigned long)mn10300_tsc_per_HZ) | |
39 | #else /* !CONFIG_MN10300_RTC */ | |
40 | #define MN10300_TSC_PER_HZ (MN10300_TSCCLK/HZ) | |
41 | #endif /* !CONFIG_MN10300_RTC */ | |
42 | ||
43 | #endif /* !__ASSEMBLY__ */ | |
44 | ||
45 | #endif /* _ASM_UNIT_CLOCK_H */ |