timers.h 1.1 KB

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  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. #ifndef __SOC_ARC_TIMERS_H
  9. #define __SOC_ARC_TIMERS_H
  10. #include <soc/arc/aux.h>
  11. /* Timer related Aux registers */
  12. #define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
  13. #define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
  14. #define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
  15. #define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
  16. #define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
  17. #define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
  18. /* CTRL reg bits */
  19. #define TIMER_CTRL_IE (1 << 0) /* Interrupt when Count reaches limit */
  20. #define TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
  21. #define ARC_TIMERN_MAX 0xFFFFFFFF
  22. #define ARC_REG_TIMERS_BCR 0x75
  23. struct bcr_timer {
  24. #ifdef CONFIG_CPU_BIG_ENDIAN
  25. unsigned int pad2:15, rtsc:1, pad1:5, rtc:1, t1:1, t0:1, ver:8;
  26. #else
  27. unsigned int ver:8, t0:1, t1:1, rtc:1, pad1:5, rtsc:1, pad2:15;
  28. #endif
  29. };
  30. #endif