LXR linux/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 */
  22struct 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
  34int davinci_aemif_setup_timing(struct davinci_aemif_timing *t,
  35                                        void __iomem *base, unsigned cs);
  36#endif
  37