arch/arm/include/asm/ti-common/ti-aemif.h

   1 /*
   2  * AEMIF definitions
   3  *
   4  * (C) Copyright 2012-2014
   5  *     Texas Instruments Incorporated, <www.ti.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef _AEMIF_H_
  11 #define _AEMIF_H_
  12
  13 #define AEMIF_NUM_CS               4
  14 #define AEMIF_MODE_NOR             0
  15 #define AEMIF_MODE_NAND            1
  16 #define AEMIF_MODE_ONENAND         2
  17 #define AEMIF_PRESERVE             -1
  18
  19 struct aemif_config {
  20         unsigned mode;
  21         unsigned select_strobe;
  22         unsigned extend_wait;
  23         unsigned wr_setup;
  24         unsigned wr_strobe;
  25         unsigned wr_hold;
  26         unsigned rd_setup;
  27         unsigned rd_strobe;
  28         unsigned rd_hold;
  29         unsigned turn_around;
  30         enum {
  31                 AEMIF_WIDTH_8   = 0,
  32                 AEMIF_WIDTH_16  = 1,
  33                 AEMIF_WIDTH_32  = 2,
  34         } width;
  35 };
  36
  37 void aemif_init(int num_cs, struct aemif_config *config);
  38
  39 #endif