LXR linux/arch/blackfin/include/asm/nand.h

   1/*
   2 * BF5XX - NAND flash controller platform_device info
   3 *
   4 * Copyright 2007-2008 Analog Devices, Inc.
   5 *
   6 * Licensed under the GPL-2
   7 */
   8
   9/* struct bf5xx_nand_platform
  10 *
  11 * define a interface between platform board specific code and
  12 * bf54x NFC driver.
  13 *
  14 * nr_partitions = number of partitions pointed to be partitoons (or zero)
  15 * partitions    = mtd partition list
  16 */
  17
  18#define NFC_PG_SIZE_OFFSET      9
  19
  20#define NFC_NWIDTH_8            0
  21#define NFC_NWIDTH_16           1
  22#define NFC_NWIDTH_OFFSET       8
  23
  24#define NFC_RDDLY_OFFSET        4
  25#define NFC_WRDLY_OFFSET        0
  26
  27#define NFC_STAT_NBUSY          1
  28
  29struct bf5xx_nand_platform {
  30        /* NAND chip information */
  31        unsigned short          data_width;
  32
  33        /* RD/WR strobe delay timing information, all times in SCLK cycles */
  34        unsigned short          rd_dly;
  35        unsigned short          wr_dly;
  36
  37        /* NAND MTD partition information */
  38        int                     nr_partitions;
  39        struct mtd_partition    *partitions;
  40};
  41