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/arch/arm/mach-l7200/include/mach/gp_timers.h

https://bitbucket.org/sammyz/iscream_thunderc-2.6.35-rebase
C++ Header | 42 lines | 22 code | 5 blank | 15 comment | 0 complexity | 9d38c8496207e6e3332447d0877d39c7 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 2 * arch/arm/mach-l7200/include/mach/gp_timers.h
 3 *
 4 * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
 5 *
 6 * Changelog:
 7 *   07-28-2000	SJH	Created file
 8 *   08-02-2000	SJH	Used structure for registers
 9 */
10#ifndef _ASM_ARCH_GPTIMERS_H
11#define _ASM_ARCH_GPTIMERS_H
12
13#include <mach/hardware.h>
14
15/*
16 * Layout of L7200 general purpose timer registers
17 */
18struct GPT_Regs {
19	unsigned int TIMERLOAD;
20	unsigned int TIMERVALUE;
21	unsigned int TIMERCONTROL;
22	unsigned int TIMERCLEAR;
23};
24
25#define GPT_BASE		(IO_BASE_2 + 0x3000)
26#define l7200_timer1_regs	((volatile struct GPT_Regs *) (GPT_BASE))
27#define l7200_timer2_regs	((volatile struct GPT_Regs *) (GPT_BASE + 0x20))
28
29/*
30 * General register values
31 */
32#define	GPT_PRESCALE_1		0x00000000
33#define	GPT_PRESCALE_16		0x00000004
34#define	GPT_PRESCALE_256	0x00000008
35#define GPT_MODE_FREERUN	0x00000000
36#define GPT_MODE_PERIODIC	0x00000040
37#define GPT_ENABLE		0x00000080
38#define GPT_BZTOG		0x00000100
39#define GPT_BZMOD		0x00000200
40#define GPT_LOAD_MASK 		0x0000ffff
41
42#endif