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#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 {
struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
struct pxa3xx_nand_cmdset *cmdset;
uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */
uint32_t page_size; /* Page size in bytes (PAGE_SZ) */
uint32_t flash_width; /* Width of Flash memory (DWIDTH_M) */
uint32_t dfc_width; /* Width of flash controller(DWIDTH_C) */
uint32_t num_blocks; /* Number of physical blocks in Flash */
uint32_t chip_id;
/* NOTE: these are automatically calculated, do not define */
size_t oob_size;
size_t read_id_bytes;
unsigned int col_addr_cycles;
unsigned int row_addr_cycles;
};
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;
struct mtd_partition *parts;
unsigned int nr_parts;
struct pxa3xx_nand_flash * const flash;
size_t num_flash;
};
extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);
#endif /* __ASM_ARCH_PXA3XX_NAND_H */
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