linux/arch/arm/plat-omap/include/plat/onenand.h
Adrian Hunter 5714b7ed6b OMAP: OneNAND: let boards determine OneNAND frequency
OneNAND version ID may not give the highest frequency
supported and some OneNAND's have setup times that are
clock dependent.  Let the board provide that information.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-02-17 15:44:46 -08:00

53 lines
1.1 KiB
C

/*
* arch/arm/plat-omap/include/mach/onenand.h
*
* Copyright (C) 2006 Nokia Corporation
* Author: Juha Yrjola
*
* 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.
*/
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#define ONENAND_SYNC_READ (1 << 0)
#define ONENAND_SYNC_READWRITE (1 << 1)
struct onenand_freq_info {
u16 maf_id;
u16 dev_id;
u16 ver_id;
};
struct omap_onenand_platform_data {
int cs;
int gpio_irq;
struct mtd_partition *parts;
int nr_parts;
int (*onenand_setup)(void __iomem *, int *freq_ptr);
int (*get_freq)(const struct onenand_freq_info *freq_info,
bool *clk_dep);
int dma_channel;
u8 flags;
u8 regulator_can_sleep;
};
#define ONENAND_MAX_PARTITIONS 8
#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
#else
#define board_onenand_data NULL
static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
{
}
#endif