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/**
* @file
* @brief GPMC specific NAND devices
*
* FileName: arch/arm/boards/omap/devices-gpmc-nand.c
*
*/
/*
* (C) Copyright 2006-2008
* Texas Instruments, <www.ti.com>
* Nishanth Menon <x0nishan@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <console.h>
#include <init.h>
#include <driver.h>
#include <clock.h>
#include <io.h>
#include <mach/silicon.h>
#include <mach/gpmc.h>
#include <mach/gpmc_nand.h>
#define GPMC_CONF1_VALx8 0x00000800
#define GPMC_CONF1_VALx16 0x00001800
/** NAND platform specific settings settings */
static struct gpmc_nand_platform_data nand_plat = {
.wait_mon_pin = 0,
};
/**
* @brief gpmc_generic_nand_devices_init - init generic nand device
*
* @return success/fail based on device function
*/
int gpmc_generic_nand_devices_init(int cs, int width,
enum gpmc_ecc_mode eccmode, struct gpmc_config *nand_cfg)
{
nand_plat.cs = cs;
if (width == 16)
nand_cfg->cfg[0] = GPMC_CONF1_VALx16;
else
nand_cfg->cfg[0] = GPMC_CONF1_VALx8;
nand_plat.device_width = width;
nand_plat.ecc_mode = eccmode;
nand_plat.priv = nand_cfg;
/* Configure GPMC CS before register */
gpmc_cs_config(nand_plat.cs, nand_cfg);
add_generic_device("gpmc_nand", DEVICE_ID_DYNAMIC, NULL, OMAP_GPMC_BASE,
1024 * 4, IORESOURCE_MEM, &nand_plat);
return 0;
}
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