timers.h 992 B

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (C) 2016-17 Synopsys, Inc. (www.synopsys.com)
  4. */
  5. #ifndef __SOC_ARC_TIMERS_H
  6. #define __SOC_ARC_TIMERS_H
  7. #include <soc/arc/aux.h>
  8. /* Timer related Aux registers */
  9. #define ARC_REG_TIMER0_LIMIT 0x23 /* timer 0 limit */
  10. #define ARC_REG_TIMER0_CTRL 0x22 /* timer 0 control */
  11. #define ARC_REG_TIMER0_CNT 0x21 /* timer 0 count */
  12. #define ARC_REG_TIMER1_LIMIT 0x102 /* timer 1 limit */
  13. #define ARC_REG_TIMER1_CTRL 0x101 /* timer 1 control */
  14. #define ARC_REG_TIMER1_CNT 0x100 /* timer 1 count */
  15. /* CTRL reg bits */
  16. #define ARC_TIMER_CTRL_IE (1 << 0) /* Interrupt when Count reaches limit */
  17. #define ARC_TIMER_CTRL_NH (1 << 1) /* Count only when CPU NOT halted */
  18. #define ARC_TIMERN_MAX 0xFFFFFFFF
  19. #define ARC_REG_TIMERS_BCR 0x75
  20. struct bcr_timer {
  21. #ifdef CONFIG_CPU_BIG_ENDIAN
  22. unsigned int pad2:15, rtsc:1, pad1:5, rtc:1, t1:1, t0:1, ver:8;
  23. #else
  24. unsigned int ver:8, t0:1, t1:1, rtc:1, pad1:5, rtsc:1, pad2:15;
  25. #endif
  26. };
  27. #endif