Edit File: mtd-nand-pxa3xx.h
#ifndef __ASM_ARCH_PXA3XX_NAND_H #define __ASM_ARCH_PXA3XX_NAND_H #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> struct pxa3xx_nand_timing { unsigned int tCH; /* Enable signal hold time */ unsigned int tCS; /* Enable signal setup time */ unsigned int tWH; /* ND_nWE high duration */ unsigned int tWP; /* ND_nWE pulse time */ unsigned int tRH; /* ND_nRE high duration */ unsigned int tRP; /* ND_nRE pulse width */ unsigned int tR; /* ND_nWE high to ND_nRE low for read */ unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ }; struct pxa3xx_nand_cmdset { uint16_t read1; uint16_t read2; uint16_t program; uint16_t read_status; uint16_t read_id; uint16_t erase; uint16_t reset; uint16_t lock; uint16_t unlock; uint16_t lock_status; }; struct pxa3xx_nand_flash { char *name; uint32_t chip_id; unsigned int page_per_block; /* Pages per block (PG_PER_BLK) */ unsigned int page_size; /* Page size in bytes (PAGE_SZ) */ unsigned int flash_width; /* Width of Flash memory (DWIDTH_M) */ unsigned int dfc_width; /* Width of flash controller(DWIDTH_C) */ unsigned int num_blocks; /* Number of physical blocks in Flash */ struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ }; /* * Current pxa3xx_nand controller has two chip select which * both be workable. * * Notice should be taken that: * When you want to use this feature, you should not enable the * keep configuration feature, for two chip select could be * attached with different nand chip. The different page size * and timing requirement make the keep configuration impossible. */ /* The max num of chip select current support */ #define NUM_CHIP_SELECT (2) struct pxa3xx_nand_platform_data { /* the data flash bus is shared between the Static Memory * Controller and the Data Flash Controller, the arbiter * controls the ownership of the bus */ int enable_arbiter; /* allow platform code to keep OBM/bootloader defined NFC config */ int keep_config; /* indicate how many chip selects will be used */ int num_cs; const struct mtd_partition *parts[NUM_CHIP_SELECT]; unsigned int nr_parts[NUM_CHIP_SELECT]; const struct pxa3xx_nand_flash * flash; size_t num_flash; }; extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); #endif /* __ASM_ARCH_PXA3XX_NAND_H */