diff options
Diffstat (limited to 'firmware/target/arm/imx233/timrot-imx233.h')
-rw-r--r-- | firmware/target/arm/imx233/timrot-imx233.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/timrot-imx233.h b/firmware/target/arm/imx233/timrot-imx233.h new file mode 100644 index 0000000000..792ab767ac --- /dev/null +++ b/firmware/target/arm/imx233/timrot-imx233.h | |||
@@ -0,0 +1,57 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2011 by Amaury Pouly | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #ifndef TIMROT_IMX233_H | ||
22 | #define TIMROT_IMX233_H | ||
23 | |||
24 | #include "system.h" | ||
25 | #include "cpu.h" | ||
26 | |||
27 | #define HW_TIMROT_BASE 0x80068000 | ||
28 | |||
29 | #define HW_TIMROT_ROTCTRL (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x0)) | ||
30 | |||
31 | #define HW_TIMROT_ROTCOUNT (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x10)) | ||
32 | |||
33 | #define HW_TIMROT_TIMCTRL(i) (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x20 + (i) * 0x20)) | ||
34 | #define HW_TIMROT_TIMCTRL__IRQ (1 << 15) | ||
35 | #define HW_TIMROT_TIMCTRL__IRQ_EN (1 << 14) | ||
36 | #define HW_TIMROT_TIMCTRL__POLARITY (1 << 8) | ||
37 | #define HW_TIMROT_TIMCTRL__UPDATE (1 << 7) | ||
38 | #define HW_TIMROT_TIMCTRL__RELOAD (1 << 6) | ||
39 | #define HW_TIMROT_TIMCTRL__PRESCALE_1 (0 << 4) | ||
40 | #define HW_TIMROT_TIMCTRL__PRESCALE_2 (1 << 4) | ||
41 | #define HW_TIMROT_TIMCTRL__PRESCALE_4 (2 << 4) | ||
42 | #define HW_TIMROT_TIMCTRL__PRESCALE_8 (3 << 4) | ||
43 | #define HW_TIMROT_TIMCTRL__SELECT_32KHZ_XTAL 8 | ||
44 | #define HW_TIMROT_TIMCTRL__SELECT_8KHZ_XTAL 9 | ||
45 | #define HW_TIMROT_TIMCTRL__SELECT_4KHZ_XTAL 10 | ||
46 | #define HW_TIMROT_TIMCTRL__SELECT_1KHZ_XTAL 11 | ||
47 | #define HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS 12 | ||
48 | |||
49 | #define HW_TIMROT_TIMCOUNT(i) (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x30 + (i) * 0x20)) | ||
50 | |||
51 | typedef void (*imx233_timer_fn_t)(void); | ||
52 | |||
53 | void imx233_timrot_init(void); | ||
54 | void imx233_setup_timer(unsigned timer_nr, bool reload, unsigned count, | ||
55 | unsigned src, unsigned prescale, bool polarity, imx233_timer_fn_t fn); | ||
56 | |||
57 | #endif /* TIMROT_IMX233_H */ | ||