projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b37bde14 BW |
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 | }; |