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/*
* Freescale GPMI NFC NAND Flash Driver
*
* Copyright (C) 2010 Freescale Semiconductor, Inc.
* Copyright (C) 2008 Embedded Alley Solutions, Inc.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "gpmi-nfc.h"
/**
* set_geometry() - Sets geometry for the Boot ROM Helper.
*
* @this: Per-device data.
*/
static int set_geometry(struct gpmi_nfc_data *this)
{
struct gpmi_nfc_platform_data *pdata = this->pdata;
struct boot_rom_geometry *geometry = &this->rom_geometry;
int error;
/* Version-independent geometry. */
error = gpmi_nfc_rom_helper_set_geometry(this);
if (error)
return error;
/*
* Check if the platform data indicates we are to protect the boot area.
*/
if (!pdata->boot_area_size_in_bytes) {
geometry->boot_area_count = 0;
geometry->boot_area_size_in_bytes = 0;
return 0;
}
/*
* If control arrives here, we are supposed to set up partitions to
* protect the boot areas. In this version of the ROM, we support only
* one boot area.
*/
geometry->boot_area_count = 1;
/*
* Use the platform's boot area size.
*/
geometry->boot_area_size_in_bytes = pdata->boot_area_size_in_bytes;
/* Return success. */
return 0;
}
/* This structure represents the Boot ROM Helper for this version. */
struct boot_rom_helper gpmi_nfc_boot_rom_helper_v1 = {
.version = 1,
.description = "Single-chip boot area, "
"block mark swapping supported",
.swap_block_mark = true,
.set_geometry = set_geometry,
.check_transcription_stamp = 0,
.write_transcription_stamp = 0,
};
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