diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2016-10-31 21:06:19 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2016-11-30 20:54:25 +0100 |
| commit | b26c2e3823bae6ba43a2b263d9bb75a3efd39b6a (patch) | |
| tree | 9db1449b325dcb708de12e3be54c16890774e9ff /include/soc/arc | |
| parent | ARC: move mcip.h into include/soc and adjust the includes (diff) | |
| download | linux-b26c2e3823bae6ba43a2b263d9bb75a3efd39b6a.tar.xz linux-b26c2e3823bae6ba43a2b263d9bb75a3efd39b6a.zip | |
ARC: breakout timer include code into separate header ...
... which allows for use in drivers/clocksource later
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'include/soc/arc')
| -rw-r--r-- | include/soc/arc/timers.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/soc/arc/timers.h b/include/soc/arc/timers.h new file mode 100644 index 000000000000..a20ed2fbc432 --- /dev/null +++ b/include/soc/arc/timers.h @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SOC_ARC_TIMERS_H +#define __SOC_ARC_TIMERS_H + +#include <soc/arc/aux.h> + +/* Timer related Aux registers */ +#define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */ +#define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */ +#define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */ +#define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */ +#define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */ +#define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */ + +/* CTRL reg bits */ +#define TIMER_CTRL_IE (1 << 0) /* Interrupt when Count reaches limit */ +#define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */ + +#define ARC_TIMERN_MAX 0xFFFFFFFF + +#define ARC_REG_TIMERS_BCR 0x75 + +struct bcr_timer { +#ifdef CONFIG_CPU_BIG_ENDIAN + unsigned int pad2:15, rtsc:1, pad1:5, rtc:1, t1:1, t0:1, ver:8; +#else + unsigned int ver:8, t0:1, t1:1, rtc:1, pad1:5, rtsc:1, pad2:15; +#endif +}; + +#endif |