arch/arm/mach-omap2/cm.h

   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 /*
  17  * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
  18  * PRCM to request that a module exit the inactive state in the case of
  19  * OMAP2 & 3.
  20  * In the case of OMAP4 this is the max duration in microseconds for the
  21  * module to reach the functionnal state from an inactive state.
  22  */
  23 #define MAX_MODULE_READY_TIME           2000
  24
  25 /*
  26  * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
  27  * the PRCM to request that a module enter the inactive state in the
  28  * case of OMAP2 & 3.  In the case of OMAP4 this is the max duration
  29  * in microseconds for the module to reach the inactive state from
  30  * a functional state.
  31  * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
  32  * kernel init.
  33  */
  34 #define MAX_MODULE_DISABLE_TIME         5000
  35
  36 #endif