arch/arm/mach-davinci/include/mach/aemif.h

   1 /*
   2  * TI DaVinci AEMIF support
   3  *
   4  * Copyright 2010 (C) Texas Instruments, Inc. http://www.ti.com/
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2. This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10 #ifndef _MACH_DAVINCI_AEMIF_H
  11 #define _MACH_DAVINCI_AEMIF_H
  12
  13 #define NRCSR_OFFSET            0x00
  14 #define AWCCR_OFFSET            0x04
  15 #define A1CR_OFFSET             0x10
  16
  17 #define ACR_ASIZE_MASK          0x3
  18 #define ACR_EW_MASK             BIT(30)
  19 #define ACR_SS_MASK             BIT(31)
  20
  21 /* All timings in nanoseconds */
  22 struct davinci_aemif_timing {
  23         u8      wsetup;
  24         u8      wstrobe;
  25         u8      whold;
  26
  27         u8      rsetup;
  28         u8      rstrobe;
  29         u8      rhold;
  30
  31         u8      ta;
  32 };
  33
  34 int davinci_aemif_setup_timing(struct davinci_aemif_timing *t,
  35                                         void __iomem *base, unsigned cs);
  36 #endif