53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/**
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* @file
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* @brief GPMC specific NAND devices
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*
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* (C) Copyright 2006-2008
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* Texas Instruments, <www.ti.com>
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* Nishanth Menon <x0nishan@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <console.h>
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#include <init.h>
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#include <driver.h>
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#include <clock.h>
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#include <io.h>
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#include <mach/gpmc.h>
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#include <mach/gpmc_nand.h>
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#define GPMC_CONF1_VALx8 0x00000800
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#define GPMC_CONF1_VALx16 0x00001800
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/**
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* @brief gpmc_generic_nand_devices_init - init generic nand device
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*
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* @return success/fail based on device function
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*/
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int omap_add_gpmc_nand_device(struct gpmc_nand_platform_data *pdata)
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{
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if (pdata->device_width == 16)
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pdata->nand_cfg->cfg[0] = GPMC_CONF1_VALx16;
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else
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pdata->nand_cfg->cfg[0] = GPMC_CONF1_VALx8;
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/* Configure GPMC CS before register */
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gpmc_cs_config(pdata->cs, pdata->nand_cfg);
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add_generic_device("gpmc_nand", DEVICE_ID_DYNAMIC, NULL, (resource_size_t)omap_gpmc_base,
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1024 * 4, IORESOURCE_MEM, pdata);
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return 0;
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}
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