53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2021 Aidan MacDonald
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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
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "nand-x1000.h"
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#include "nand-target.h"
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#include "sfc-x1000.h"
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/* Unbelievably FiiO has completely disabled the use of ECC for this chip
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* in their Linux kernel, even though it has perfectly good spare areas.
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* There's no internal ECC either.
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*
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* Using nanddump to read the spare areas reveals they're filled with 0xff,
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* and the publicly released Linux source has the ecc_strength set to 0.
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*/
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static const nand_chip_data ato25d1ga = {
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.name = "ATO25D1GA",
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.mf_id = 0x9b,
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.dev_id = 0x12,
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.dev_conf = NAND_INIT_SFC_DEV_CONF,
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/* XXX: datasheet says 104 MHz but FiiO seems to run this at 150 MHz.
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* Didn't find any issues doing this so might as well keep the behavior.
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*/
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.clock_freq = NAND_INIT_CLOCK_SPEED,
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.block_size = 64,
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.page_size = 2048,
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.spare_size = 64,
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.rowaddr_width = 3,
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.coladdr_width = 2,
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.flags = NANDCHIP_FLAG_QUAD,
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};
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const nand_chip_desc target_nand_chip_descs[] = {
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{&ato25d1ga, &nand_chip_ops_std},
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{NULL, NULL},
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};
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