2011-05-01 13:02:46 +00:00
|
|
|
/***************************************************************************
|
|
|
|
|
* __________ __ ___.
|
|
|
|
|
* 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 TIMROT_IMX233_H
|
|
|
|
|
#define TIMROT_IMX233_H
|
|
|
|
|
|
|
|
|
|
#include "system.h"
|
|
|
|
|
#include "cpu.h"
|
|
|
|
|
|
|
|
|
|
#define HW_TIMROT_BASE 0x80068000
|
|
|
|
|
|
|
|
|
|
#define HW_TIMROT_ROTCTRL (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x0))
|
|
|
|
|
|
|
|
|
|
#define HW_TIMROT_ROTCOUNT (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x10))
|
|
|
|
|
|
|
|
|
|
#define HW_TIMROT_TIMCTRL(i) (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x20 + (i) * 0x20))
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__IRQ (1 << 15)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__IRQ_EN (1 << 14)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__POLARITY (1 << 8)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__UPDATE (1 << 7)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__RELOAD (1 << 6)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__PRESCALE_1 (0 << 4)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__PRESCALE_2 (1 << 4)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__PRESCALE_4 (2 << 4)
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__PRESCALE_8 (3 << 4)
|
2011-09-06 00:27:38 +00:00
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_NEVER_TICK 0
|
2011-05-01 13:02:46 +00:00
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_32KHZ_XTAL 8
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_8KHZ_XTAL 9
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_4KHZ_XTAL 10
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_1KHZ_XTAL 11
|
|
|
|
|
#define HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS 12
|
|
|
|
|
|
|
|
|
|
#define HW_TIMROT_TIMCOUNT(i) (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x30 + (i) * 0x20))
|
|
|
|
|
|
|
|
|
|
typedef void (*imx233_timer_fn_t)(void);
|
|
|
|
|
|
|
|
|
|
void imx233_timrot_init(void);
|
|
|
|
|
void imx233_setup_timer(unsigned timer_nr, bool reload, unsigned count,
|
|
|
|
|
unsigned src, unsigned prescale, bool polarity, imx233_timer_fn_t fn);
|
|
|
|
|
|
|
|
|
|
#endif /* TIMROT_IMX233_H */
|
