From 14a4057959f8ee0a2249eb2abd64fd6b1f571d98 Mon Sep 17 00:00:00 2001 From: Ian Wisbon Date: Thu, 10 Feb 2011 17:15:15 -0500 Subject: Digi Release Code - 02142011 Missing Files Fix --- drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c | 82 +++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c (limited to 'drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c') diff --git a/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c b/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c new file mode 100644 index 000000000000..49cb329ccdd4 --- /dev/null +++ b/drivers/mtd/nand/gpmi-nfc/gpmi-nfc-rom-v1.c @@ -0,0 +1,82 @@ +/* + * 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, +}; -- cgit v1.2.3