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/***************************************************************************
* __________ __ ___.
* 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 */
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