| David Howells | b920de1 | 2008-02-08 04:19:31 -0800 | [diff] [blame] | 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 */ |