[deliverable/linux.git] / include / linux / platform_data / 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>

/*
 * 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;

	/* use an flash-based bad block table */
	bool	flash_bbt;

	/* requested ECC strength and ECC step size */
	int ecc_strength, ecc_step_size;

	const struct mtd_partition		*parts[NUM_CHIP_SELECT];
	unsigned int				nr_parts[NUM_CHIP_SELECT];
};

extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);
#endif /* __ASM_ARCH_PXA3XX_NAND_H */
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
f3c8cfc2 LW	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)
fe69af00	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
f271049e MR	28	/* allow platform code to keep OBM/bootloader defined NFC config */
	29	int keep_config;
	30
f3c8cfc2 LW	31	/* indicate how many chip selects will be used */
	32	int num_cs;
	33
776f265e EG	34	/* use an flash-based bad block table */
	35	bool flash_bbt;
	36
5b3e5078 EG	37	/* requested ECC strength and ECC step size */
	38	int ecc_strength, ecc_step_size;
	39
f3c8cfc2 LW	40	const struct mtd_partition *parts[NUM_CHIP_SELECT];
f3c8cfc2 LW	41	unsigned int nr_parts[NUM_CHIP_SELECT];
fe69af00	42	};
9ae819a8 EM	43
9ae819a8 EM	44	extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);
fe69af00	45	#endif /* __ASM_ARCH_PXA3XX_NAND_H */