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/**
* @file
* @brief This file contains exported structure for NAND
*
* OMAP's General Purpose Memory Controller (GPMC) has a NAND controller
* embedded. this file provides the platform data structure required to
* hook on to it.
*
* (C) Copyright 2008
* Texas Instruments, <www.ti.com>
* Nishanth Menon <x0nishan@ti.com>
*
* Originally from Linux kernel:
* http://linux.omap.com/pub/kernel/3430zoom/linux-ldp-v1.3.tar.gz
* include/asm-arm/arch-omap/nand.h
*
* Copyright (C) 2006 Micron Technology Inc.
* Author: Shahrom Sharif-Kashani
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_OMAP_NAND_GPMC_H
#define __ASM_OMAP_NAND_GPMC_H
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
enum gpmc_ecc_mode {
OMAP_ECC_SOFT,
OMAP_ECC_HAMMING_CODE_HW_ROMCODE,
OMAP_ECC_BCH8_CODE_HW,
OMAP_ECC_BCH8_CODE_HW_ROMCODE,
};
/** omap nand platform data structure */
struct gpmc_nand_platform_data {
/** Chip select you want to use */
int cs;
struct mtd_partition *parts;
int nr_parts;
/** If there are any special setups you'd want to do */
int (*nand_setup) (struct gpmc_nand_platform_data *);
/** ecc mode to use */
enum gpmc_ecc_mode ecc_mode;
/** setup any special options */
unsigned int options;
/** set up device access as 8,16 as per GPMC config */
char device_width;
/** Set this to WAITx+1, so GPMC WAIT0 will be 1 and so on. */
char wait_mon_pin;
/* if you like a custom oob use this. */
struct nand_ecclayout *oob;
/** gpmc config for nand */
struct gpmc_config *nand_cfg;
struct device_node *of_node;
struct device_node *elm_of_node;
};
int omap_add_gpmc_nand_device(struct gpmc_nand_platform_data *pdata);
extern struct gpmc_config omap3_nand_cfg;
extern struct gpmc_config omap4_nand_cfg;
extern struct gpmc_config am33xx_nand_cfg;
#endif /* __ASM_OMAP_NAND_GPMC_H */
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