/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2011 by Amaury Pouly * * 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 SYSTEM_TARGET_H #define SYSTEM_TARGET_H #include "system-arm.h" #include "mmu-arm.h" #include "panic.h" #include "clkctrl-imx233.h" #include "icoll-imx233.h" #include "clock-target.h" /* CPUFREQ_* are defined here */ /** * Absolute maximum CPU speed: 454.74 MHz (STMP3780), 320.00 MHz (STMP3700) * Intermediate CPU speeds: 261.82 MHz, 64 MHz * Absolute minimum CPU speed: 24 MHz */ #define IMX233_CPUFREQ_454_MHz 454740000 #define IMX233_CPUFREQ_320_MHz 320000000 #define IMX233_CPUFREQ_261_MHz 261820000 #define IMX233_CPUFREQ_64_MHz 64000000 #define IMX233_CPUFREQ_24_MHz 24000000 #define CPUFREQ_DEFAULT IMX233_CPUFREQ_64_MHz #define CPUFREQ_NORMAL IMX233_CPUFREQ_64_MHz #if IMX233_SUBTARGET >= 3780 #define CPUFREQ_MAX IMX233_CPUFREQ_454_MHz #elif IMX233_SUBTARGET >= 3700 #define CPUFREQ_MAX IMX233_CPUFREQ_320_MHz #endif #define CPUFREQ_SLEEP IMX233_CPUFREQ_64_MHz void system_prepare_fw_start(void); void imx233_system_prepare_shutdown(void); void udelay(unsigned us); bool imx233_us_elapsed(uint32_t ref, unsigned us_delay); void imx233_reset_block(volatile uint32_t *block_reg); void imx233_enable_usb_controller(bool enable); void imx233_enable_usb_phy(bool enable); // NOTE: this is available even if HAVE_ADJUSTABLE_CPU_FREQ is undef void imx233_set_cpu_frequency(long frequency); void udelay(unsigned usecs); static inline void mdelay(unsigned msecs) { udelay(1000 * msecs); } void usb_insert_int(void); void usb_remove_int(void); bool dbg_hw_target_info(void); /* for watchdog */ void imx233_keep_alive(void); #endif /* SYSTEM_TARGET_H */