diff options
Diffstat (limited to 'arch/blackfin/include/asm/nand.h')
-rw-r--r-- | arch/blackfin/include/asm/nand.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/nand.h b/arch/blackfin/include/asm/nand.h new file mode 100644 index 000000000000..afbaafa793f1 --- /dev/null +++ b/arch/blackfin/include/asm/nand.h | |||
@@ -0,0 +1,47 @@ | |||
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 | |||
35 | struct 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 | }; | ||