47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* linux/include/asm-blackfin/nand.h
|
|
*
|
|
* Copyright (c) 2007 Analog Devices, Inc.
|
|
* Bryan Wu <bryan.wu@analog.com>
|
|
*
|
|
* BF5XX - NAND flash controller platfrom_device info
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
/* struct bf5xx_nand_platform
|
|
*
|
|
* define a interface between platfrom board specific code and
|
|
* bf54x NFC driver.
|
|
*
|
|
* nr_partitions = number of partitions pointed to be partitoons (or zero)
|
|
* partitions = mtd partition list
|
|
*/
|
|
|
|
#define NFC_PG_SIZE_256 0
|
|
#define NFC_PG_SIZE_512 1
|
|
#define NFC_PG_SIZE_OFFSET 9
|
|
|
|
#define NFC_NWIDTH_8 0
|
|
#define NFC_NWIDTH_16 1
|
|
#define NFC_NWIDTH_OFFSET 8
|
|
|
|
#define NFC_RDDLY_OFFSET 4
|
|
#define NFC_WRDLY_OFFSET 0
|
|
|
|
#define NFC_STAT_NBUSY 1
|
|
|
|
struct bf5xx_nand_platform {
|
|
/* NAND chip information */
|
|
unsigned short page_size;
|
|
unsigned short data_width;
|
|
|
|
/* RD/WR strobe delay timing information, all times in SCLK cycles */
|
|
unsigned short rd_dly;
|
|
unsigned short wr_dly;
|
|
|
|
/* NAND MTD partition information */
|
|
int nr_partitions;
|
|
struct mtd_partition *partitions;
|
|
};
|