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imx233/fuze+: implement user time api, implement a stub function, protect timrot against irq

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30437 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-09-06 00:27:38 +00:00
parent 333b9ed2c3
commit 2ac668e44c
7 changed files with 86 additions and 1 deletions
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60
firmware/target/arm/imx233/timer-imx233.c Normal file
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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.
*
****************************************************************************/
#include "kernel.h"
#include "timrot-imx233.h"
#include "timer.h"
static long timer_cycles = 0;
static void timer_fn()
{
if(pfn_timer)
pfn_timer();
}
bool timer_set(long cycles, bool start)
{
timer_stop();
if(start && pfn_unregister)
{
pfn_unregister();
pfn_unregister = NULL;
}
timer_cycles = cycles;
return true;
}
bool timer_start(IF_COP_VOID(int core))
{
imx233_setup_timer(USER_TIMER_NR, true, timer_cycles,
HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS, HW_TIMROT_TIMCTRL__PRESCALE_1,
false, &timer_fn);
return true;
}
void timer_stop(void)
{
imx233_setup_timer(USER_TIMER_NR, false, 0, HW_TIMROT_TIMCTRL__SELECT_NEVER_TICK,
HW_TIMROT_TIMCTRL__PRESCALE_1, false, NULL);
}