tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef __SOC_ARC_TIMERS_H
10#define __SOC_ARC_TIMERS_H
11
12#include <soc/arc/aux.h>
13
14/* Timer related Aux registers */
15#define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
16#define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
17#define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
18#define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
19#define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
20#define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
21
22/* CTRL reg bits */
23#define TIMER_CTRL_IE (1 << 0) /* Interrupt when Count reaches limit */
24#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
25
26#define ARC_TIMERN_MAX 0xFFFFFFFF
27
28#define ARC_REG_TIMERS_BCR 0x75
29
30struct bcr_timer {
31#ifdef CONFIG_CPU_BIG_ENDIAN
32 unsigned int pad2:15, rtsc:1, pad1:5, rtc:1, t1:1, t0:1, ver:8;
33#else
34 unsigned int ver:8, t0:1, t1:1, rtc:1, pad1:5, rtsc:1, pad2:15;
35#endif
36};
37
38#endif