/* * File: include/asm-blackfin/mach-common/clocks.h * Based on: include/asm-blackfin/mach-bf537/bf537.h * Author: Robin Getz * * Created: 25Jul07 * Description: Common Clock definitions for various kernel files * * Modified: * Copyright 2004-2007 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _BFIN_CLOCKS_H #define _BFIN_CLOCKS_H #ifdef CONFIG_CCLK_DIV_1 # define CONFIG_CCLK_ACT_DIV CCLK_DIV1 # define CONFIG_CCLK_DIV 1 #endif #ifdef CONFIG_CCLK_DIV_2 # define CONFIG_CCLK_ACT_DIV CCLK_DIV2 # define CONFIG_CCLK_DIV 2 #endif #ifdef CONFIG_CCLK_DIV_4 # define CONFIG_CCLK_ACT_DIV CCLK_DIV4 # define CONFIG_CCLK_DIV 4 #endif #ifdef CONFIG_CCLK_DIV_8 # define CONFIG_CCLK_ACT_DIV CCLK_DIV8 # define CONFIG_CCLK_DIV 8 #endif #ifndef CONFIG_PLL_BYPASS # ifndef CONFIG_CLKIN_HALF # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT) # else # define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)/2) # endif # define CONFIG_CCLK_HZ (CONFIG_VCO_HZ/CONFIG_CCLK_DIV) # define CONFIG_SCLK_HZ (CONFIG_VCO_HZ/CONFIG_SCLK_DIV) #else # define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ) # define CONFIG_CCLK_HZ (CONFIG_CLKIN_HZ) # define CONFIG_SCLK_HZ (CONFIG_CLKIN_HZ) # define CONFIG_VCO_MULT 0 #endif #endif