b2c470719a
Playing AAC-HE files resulted in a race condition between audio/codec/buffering for set_cpu_frequency Change-Id: I35e1c1fd18db623e2990c305acdca03f57184d0d
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef SYSTEM_TARGET_H
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#define SYSTEM_TARGET_H
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#include "system-arm.h"
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#include "mmu-arm.h"
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#include "panic.h"
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#include "clkctrl-imx233.h"
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#include "icoll-imx233.h"
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#include "clock-target.h" /* CPUFREQ_* are defined here */
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/**
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* Absolute maximum CPU speed: 454.74 MHz (STMP3780), 320.00 MHz (STMP3700)
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* Intermediate CPU speeds: 261.82 MHz, 64 MHz
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* Absolute minimum CPU speed: 24 MHz */
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#define IMX233_CPUFREQ_454_MHz 454740000
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#define IMX233_CPUFREQ_320_MHz 320000000
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#define IMX233_CPUFREQ_261_MHz 261820000
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#define IMX233_CPUFREQ_64_MHz 64000000
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#define IMX233_CPUFREQ_24_MHz 24000000
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#define CPUFREQ_DEFAULT IMX233_CPUFREQ_64_MHz
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#define CPUFREQ_NORMAL IMX233_CPUFREQ_64_MHz
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#if IMX233_SUBTARGET >= 3780
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#define CPUFREQ_MAX IMX233_CPUFREQ_454_MHz
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#elif IMX233_SUBTARGET >= 3700
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#define CPUFREQ_MAX IMX233_CPUFREQ_320_MHz
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#endif
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#define CPUFREQ_SLEEP IMX233_CPUFREQ_64_MHz
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void system_prepare_fw_start(void);
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void imx233_system_prepare_shutdown(void);
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void udelay(unsigned us);
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bool imx233_us_elapsed(uint32_t ref, unsigned us_delay);
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void imx233_reset_block(volatile uint32_t *block_reg);
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void imx233_enable_usb_controller(bool enable);
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void imx233_enable_usb_phy(bool enable);
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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#define CPU_BOOST_LOCK_DEFINED
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static inline bool cpu_boost_lock(void)
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{
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bool set_cpu_frequency__lock(void);
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return set_cpu_frequency__lock();
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}
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static inline void cpu_boost_unlock(void)
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{
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void set_cpu_frequency__unlock(void);
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set_cpu_frequency__unlock();
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}
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#endif /* HAVE_ADJUSTABLE_CPU_FREQ */
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// NOTE: this is available even if HAVE_ADJUSTABLE_CPU_FREQ is undef
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void imx233_set_cpu_frequency(long frequency);
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void udelay(unsigned usecs);
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static inline void mdelay(unsigned msecs)
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{
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udelay(1000 * msecs);
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}
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void usb_insert_int(void);
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void usb_remove_int(void);
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bool dbg_hw_target_info(void);
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/* for watchdog */
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void imx233_keep_alive(void);
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#endif /* SYSTEM_TARGET_H */
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