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| Commit | Line | Data |
|---|---|---|
| fe69af00 | 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 | ||
| 43035338 ES |
7 | struct pxa3xx_nand_timing { |
| 8 | unsigned int tCH; /* Enable signal hold time */ | |
| 9 | unsigned int tCS; /* Enable signal setup time */ | |
| 10 | unsigned int tWH; /* ND_nWE high duration */ | |
| 11 | unsigned int tWP; /* ND_nWE pulse time */ | |
| 12 | unsigned int tRH; /* ND_nRE high duration */ | |
| 13 | unsigned int tRP; /* ND_nRE pulse width */ | |
| 14 | unsigned int tR; /* ND_nWE high to ND_nRE low for read */ | |
| 15 | unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ | |
| 16 | unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ | |
| 17 | }; | |
| 18 | ||
| 19 | struct pxa3xx_nand_cmdset { | |
| 20 | uint16_t read1; | |
| 21 | uint16_t read2; | |
| 22 | uint16_t program; | |
| 23 | uint16_t read_status; | |
| 24 | uint16_t read_id; | |
| 25 | uint16_t erase; | |
| 26 | uint16_t reset; | |
| 27 | uint16_t lock; | |
| 28 | uint16_t unlock; | |
| 29 | uint16_t lock_status; | |
| 30 | }; | |
| 31 | ||
| 32 | struct pxa3xx_nand_flash { | |
| c1f82478 LW |
33 | uint32_t chip_id; |
| 34 | unsigned int page_per_block; /* Pages per block (PG_PER_BLK) */ | |
| 35 | unsigned int page_size; /* Page size in bytes (PAGE_SZ) */ | |
| 36 | unsigned int flash_width; /* Width of Flash memory (DWIDTH_M) */ | |
| 37 | unsigned int dfc_width; /* Width of flash controller(DWIDTH_C) */ | |
| 38 | unsigned int num_blocks; /* Number of physical blocks in Flash */ | |
| 39 | ||
| 40 | struct pxa3xx_nand_cmdset *cmdset; /* NAND command set */ | |
| 41 | struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ | |
| 43035338 ES |
42 | }; |
| 43 | ||
| fe69af00 | 44 | struct pxa3xx_nand_platform_data { |
| 45 | ||
| 46 | /* the data flash bus is shared between the Static Memory | |
| 47 | * Controller and the Data Flash Controller, the arbiter | |
| 48 | * controls the ownership of the bus | |
| 49 | */ | |
| 50 | int enable_arbiter; | |
| 51 | ||
| f271049e MR |
52 | /* allow platform code to keep OBM/bootloader defined NFC config */ |
| 53 | int keep_config; | |
| 54 | ||
| 7dad482e ES |
55 | const struct mtd_partition *parts; |
| 56 | unsigned int nr_parts; | |
| c8ac3f81 | 57 | |
| c8c17c88 | 58 | const struct pxa3xx_nand_flash * flash; |
| c8ac3f81 | 59 | size_t num_flash; |
| fe69af00 | 60 | }; |
| 9ae819a8 EM |
61 | |
| 62 | extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); | |
| fe69af00 | 63 | #endif /* __ASM_ARCH_PXA3XX_NAND_H */ |