cm.h 1.2 KB

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  1. /*
  2. * OMAP2+ Clock Management prototypes
  3. *
  4. * Copyright (C) 2007-2009 Texas Instruments, Inc.
  5. * Copyright (C) 2007-2009 Nokia Corporation
  6. *
  7. * Written by Paul Walmsley
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License version 2 as
  11. * published by the Free Software Foundation.
  12. */
  13. #ifndef __ARCH_ASM_MACH_OMAP2_CM_H
  14. #define __ARCH_ASM_MACH_OMAP2_CM_H
  15. /*
  16. * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
  17. * PRCM to request that a module exit the inactive state in the case of
  18. * OMAP2 & 3.
  19. * In the case of OMAP4 this is the max duration in microseconds for the
  20. * module to reach the functionnal state from an inactive state.
  21. */
  22. #define MAX_MODULE_READY_TIME 2000
  23. /*
  24. * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
  25. * the PRCM to request that a module enter the inactive state in the
  26. * case of OMAP2 & 3. In the case of OMAP4 this is the max duration
  27. * in microseconds for the module to reach the inactive state from
  28. * a functional state.
  29. * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
  30. * kernel init.
  31. */
  32. #define MAX_MODULE_DISABLE_TIME 5000
  33. #endif