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 | }; | ||
