tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* linux/include/asm-blackfin/nand.h
2 *
3 * Copyright (c) 2007 Analog Devices, Inc.
4 * Bryan Wu <bryan.wu@analog.com>
5 *
6 * BF5XX - NAND flash controller platfrom_device info
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13/* struct bf5xx_nand_platform
14 *
15 * define a interface between platfrom board specific code and
16 * bf54x NFC driver.
17 *
18 * nr_partitions = number of partitions pointed to be partitoons (or zero)
19 * partitions = mtd partition list
20 */
21
22#define NFC_PG_SIZE_256 0
23#define NFC_PG_SIZE_512 1
24#define NFC_PG_SIZE_OFFSET 9
25
26#define NFC_NWIDTH_8 0
27#define NFC_NWIDTH_16 1
28#define NFC_NWIDTH_OFFSET 8
29
30#define NFC_RDDLY_OFFSET 4
31#define NFC_WRDLY_OFFSET 0
32
33#define NFC_STAT_NBUSY 1
34
35struct bf5xx_nand_platform {
36 /* NAND chip information */
37 unsigned short page_size;
38 unsigned short data_width;
39
40 /* RD/WR strobe delay timing information, all times in SCLK cycles */
41 unsigned short rd_dly;
42 unsigned short wr_dly;
43
44 /* NAND MTD partition information */
45 int nr_partitions;
46 struct mtd_partition *partitions;
47};