| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 1 | /* |
| Robin Getz | 96f1050 | 2009-09-24 14:11:24 +0000 | [diff] [blame] | 2 | * Common Clock definitions for various kernel files |
| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 3 | * |
| Robin Getz | 96f1050 | 2009-09-24 14:11:24 +0000 | [diff] [blame] | 4 | * Copyright 2007-2008 Analog Devices Inc. |
| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 5 | * |
| Robin Getz | 96f1050 | 2009-09-24 14:11:24 +0000 | [diff] [blame] | 6 | * Licensed under the GPL-2 or later. |
| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 7 | */ |
| 8 | |
| Robin Getz | 3bebca2 | 2007-10-10 23:55:26 +0800 | [diff] [blame] | 9 | #ifndef _BFIN_CLOCKS_H |
| 10 | #define _BFIN_CLOCKS_H |
| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 11 | |
| Mike Frysinger | 761ec44 | 2009-10-15 17:12:05 +0000 | [diff] [blame] | 12 | #include <asm/dpmc.h> |
| 13 | |
| Robin Getz | f16295e | 2007-08-03 18:07:17 +0800 | [diff] [blame] | 14 | #ifdef CONFIG_CCLK_DIV_1 |
| 15 | # define CONFIG_CCLK_ACT_DIV CCLK_DIV1 |
| 16 | # define CONFIG_CCLK_DIV 1 |
| 17 | #endif |
| 18 | |
| 19 | #ifdef CONFIG_CCLK_DIV_2 |
| 20 | # define CONFIG_CCLK_ACT_DIV CCLK_DIV2 |
| 21 | # define CONFIG_CCLK_DIV 2 |
| 22 | #endif |
| 23 | |
| 24 | #ifdef CONFIG_CCLK_DIV_4 |
| 25 | # define CONFIG_CCLK_ACT_DIV CCLK_DIV4 |
| 26 | # define CONFIG_CCLK_DIV 4 |
| 27 | #endif |
| 28 | |
| 29 | #ifdef CONFIG_CCLK_DIV_8 |
| 30 | # define CONFIG_CCLK_ACT_DIV CCLK_DIV8 |
| 31 | # define CONFIG_CCLK_DIV 8 |
| 32 | #endif |
| 33 | |
| 34 | #ifndef CONFIG_PLL_BYPASS |
| 35 | # ifndef CONFIG_CLKIN_HALF |
| 36 | # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) |
| 37 | # else |
| 38 | # define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)/2) |
| 39 | # endif |
| 40 | |
| 41 | # define CONFIG_CCLK_HZ (CONFIG_VCO_HZ/CONFIG_CCLK_DIV) |
| 42 | # define CONFIG_SCLK_HZ (CONFIG_VCO_HZ/CONFIG_SCLK_DIV) |
| 43 | |
| 44 | #else |
| 45 | # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ) |
| 46 | # define CONFIG_CCLK_HZ (CONFIG_CLKIN_HZ) |
| 47 | # define CONFIG_SCLK_HZ (CONFIG_CLKIN_HZ) |
| 48 | # define CONFIG_VCO_MULT 0 |
| 49 | #endif |
| 50 | |
| Robin Getz | 3bebca2 | 2007-10-10 23:55:26 +0800 | [diff] [blame] | 51 | #endif |