/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright © 2008 Rafaël Carré * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef CLOCK_TARGET_H #define CLOCK_TARGET_H /* PLL */ #define AS3525_PLLA_FREQ 248000000 #define AS3525_PLLA_SETTING 0x261F /* CPU */ /* ensure that PLLA_FREQ * prediv == CPUFREQ_MAX */ #define AS3525_CPU_PREDIV 0 /* div = 1/1 */ #define CPUFREQ_MAX 248000000 #define CPUFREQ_DEFAULT 24800000 #define CPUFREQ_NORMAL 31000000 /* peripherals */ #define AS3525_PCLK_FREQ 65000000 #define AS3525_IDE_FREQ 90000000 #define AS3525_SD_IDENT_FREQ 400000 /* must be between 100 & 400 kHz */ #define AS3525_I2C_FREQ 400000 /* LCD controller : varies on the models */ #if defined(SANSA_CLIP) #define AS3525_DBOP_FREQ 6000000 #elif defined(SANSA_M200V4) #define AS3525_DBOP_FREQ 8000000 #elif defined(SANSA_FUZE) #define AS3525_DBOP_FREQ 24000000 #elif defined(SANSA_E200V2) #define AS3525_DBOP_FREQ 8000000 #endif /* macro for not giving a target clock > at the one provided */ #define CLK_DIV(ref, target) ((ref + target - 1) / target) #endif /* CLOCK_TARGET_H */