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/*
* drivers/mtd/onenand/onenand_uboot.c
*
* Copyright (C) 2005-2008 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* 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.
*/
/*
* OneNAND initialization at U-Boot
*/
#include <common.h>
#include <linux/compat.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/onenand.h>
struct mtd_info onenand_mtd;
struct onenand_chip onenand_chip;
static __attribute__((unused)) char dev_name[] = "onenand0";
void onenand_init(void)
{
int err = 0;
memset(&onenand_mtd, 0, sizeof(struct mtd_info));
memset(&onenand_chip, 0, sizeof(struct onenand_chip));
onenand_mtd.priv = &onenand_chip;
#ifdef CONFIG_USE_ONENAND_BOARD_INIT
/* It's used for some board init required */
err = onenand_board_init(&onenand_mtd);
#else
onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
#endif
if (!err && !(onenand_scan(&onenand_mtd, 1))) {
if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
puts("Flex-");
puts("OneNAND: ");
#ifdef CONFIG_MTD
/*
* Add MTD device so that we can reference it later
* via the mtdcore infrastructure (e.g. ubi).
*/
onenand_mtd.name = dev_name;
add_mtd_device(&onenand_mtd);
#endif
}
print_size(onenand_chip.chipsize, "\n");
}
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