blob: c79023da51a58299b7fdeea8418a9cdf61aad9c0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/***************************************************************************
* __________ __ ___.
* 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)
#define HW_TIMROT_TIMCTRL__SELECT_NEVER_TICK 0
#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 */
|
