eric miao | fe69af0 | 2008-02-14 15:48:23 +0800 | [diff] [blame] | 1 | #ifndef __ASM_ARCH_PXA3XX_NAND_H |
| 2 | #define __ASM_ARCH_PXA3XX_NAND_H |
| 3 | |
| 4 | #include <linux/mtd/mtd.h> |
| 5 | #include <linux/mtd/partitions.h> |
| 6 | |
Lei Wen | f3c8cfc | 2011-07-14 20:44:33 -0700 | [diff] [blame] | 7 | /* |
| 8 | * Current pxa3xx_nand controller has two chip select which |
| 9 | * both be workable. |
| 10 | * |
| 11 | * Notice should be taken that: |
| 12 | * When you want to use this feature, you should not enable the |
| 13 | * keep configuration feature, for two chip select could be |
| 14 | * attached with different nand chip. The different page size |
| 15 | * and timing requirement make the keep configuration impossible. |
| 16 | */ |
| 17 | |
| 18 | /* The max num of chip select current support */ |
| 19 | #define NUM_CHIP_SELECT (2) |
eric miao | fe69af0 | 2008-02-14 15:48:23 +0800 | [diff] [blame] | 20 | struct pxa3xx_nand_platform_data { |
| 21 | |
| 22 | /* the data flash bus is shared between the Static Memory |
| 23 | * Controller and the Data Flash Controller, the arbiter |
| 24 | * controls the ownership of the bus |
| 25 | */ |
| 26 | int enable_arbiter; |
| 27 | |
Mike Rapoport | f271049 | 2009-02-17 13:54:47 +0200 | [diff] [blame] | 28 | /* allow platform code to keep OBM/bootloader defined NFC config */ |
| 29 | int keep_config; |
| 30 | |
Lei Wen | f3c8cfc | 2011-07-14 20:44:33 -0700 | [diff] [blame] | 31 | /* indicate how many chip selects will be used */ |
| 32 | int num_cs; |
| 33 | |
Ezequiel Garcia | 776f265 | 2013-11-14 18:25:28 -0300 | [diff] [blame] | 34 | /* use an flash-based bad block table */ |
| 35 | bool flash_bbt; |
| 36 | |
Ezequiel Garcia | 5b3e507 | 2014-05-14 14:58:08 -0300 | [diff] [blame] | 37 | /* requested ECC strength and ECC step size */ |
| 38 | int ecc_strength, ecc_step_size; |
| 39 | |
Lei Wen | f3c8cfc | 2011-07-14 20:44:33 -0700 | [diff] [blame] | 40 | const struct mtd_partition *parts[NUM_CHIP_SELECT]; |
| 41 | unsigned int nr_parts[NUM_CHIP_SELECT]; |
eric miao | fe69af0 | 2008-02-14 15:48:23 +0800 | [diff] [blame] | 42 | }; |
Eric Miao | 9ae819a | 2008-06-02 15:22:03 +0800 | [diff] [blame] | 43 | |
| 44 | extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); |
eric miao | fe69af0 | 2008-02-14 15:48:23 +0800 | [diff] [blame] | 45 | #endif /* __ASM_ARCH_PXA3XX_NAND_H */ |