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pxa3xx_nand.h

#ifndef __ASM_ARCH_PXA3XX_NAND_H
#define __ASM_ARCH_PXA3XX_NAND_H

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

00007 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 */
};

00019 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;
};

00032 struct pxa3xx_nand_flash {
      const struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
      const 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;
};

00044 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;

      const struct mtd_partition          *parts;
      unsigned int                        nr_parts;

      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 */

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