blob: 973a0b004d7a4b2ea77941b13e75c4c85fe8a439 (
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* time.h
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <asm/system.h>
#include <asm/mach/time.h>
#include <asm/param.h>
/*
* How long is the timer interval?
*/
#define TIMER_INTERVAL (ASPEED_TIMER_CLKRATE / HZ)
#define TIMER_RELOAD (TIMER_INTERVAL)
#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC)
/*
* Timer
*/
#define ASPEED_TIMER0_OFFSET 0x0000 /* Timer0 Offset */
#define ASPEED_TIMER1_OFFSET 0x0010 /* Timer1 Offset */
#define ASPEED_TIMER2_OFFSET 0x0020 /* Timer2 Offset */
#define ASPEED_TIMERRC_OFFSET 0x0030 /* Timer RC Offset */
#define ASPEED_TIMER_CLKRATE (ASPEED_EXTCLK)
#define ASPEED_EXTCLK (1*1000*1000) /* 1M */
/*
* Ticks
*/
//#define TICKS_PER_uSEC 40 // IP Cam
//#define TICKS_PER_uSEC 24 // FPGA
#define TICKS_PER_uSEC 1 /* ASPEED_EXTCLK / 10 ^ 6 */
#define mSEC_1 1000
#define mSEC_5 (mSEC_1 * 5)
#define mSEC_10 (mSEC_1 * 10)
#define mSEC_25 (mSEC_1 * 25)
#define SEC_1 (mSEC_1 * 1000)
/*
* Timer Control
*/
#define TIMER0_ENABLE 0x0001
#define TIMER1_ENABLE 0x0010
#define TIMER2_ENABLE 0x0100
#define TIMER0_RefExt 0x0002
#define TIMER1_RefExt 0x0020
#define TIMER2_RefExt 0x0200
/*
* What does it look like?
*/
typedef struct TimerStruct {
unsigned long TimerValue;
unsigned long TimerLoad;
unsigned long TimerMatch1;
unsigned long TimerMatch2;
} TimerStruct_t;
|
