From nobody Mon Jan 5 11:18:54 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7DE9E784AC for ; Mon, 2 Oct 2023 14:06:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237640AbjJBOGI (ORCPT ); Mon, 2 Oct 2023 10:06:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237263AbjJBOGG (ORCPT ); Mon, 2 Oct 2023 10:06:06 -0400 Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 581B69B for ; Mon, 2 Oct 2023 07:06:00 -0700 (PDT) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id DAAF9100003; Mon, 2 Oct 2023 17:05:56 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru DAAF9100003 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1696255556; bh=MNlYRa+jIaae9kqRqbvFh4mWZqaZAg+7xMe40M/Y+6M=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=ZBEnR21RZwF9sCxvyM6Ap/SO604x7NTgwzsr1fLnyEgQ4b5aRiCtsQBhsuXeyMDLU HlF9p8zF0XwFia4HWiNxBkAmOUxQjfuwAltMJ9LhOnb3TkzZZaXLXaFoCSDpBYyAlh cYD08/NA+RUwEre9QAXC4BQg+JkcUtLAjYdswGC50EEyV5m/l3U+iNQkIJ6v+6F8eA nXqxW2XxwLWWJwwA6MhaU9iSHFegcB/6IUQ8ZySauy51lDwGM7kBL3osvl87uQlfIJ xCOJmnTpFtyubnlyrf3ZhynG2kiXkwQhp1CxDbnR+g2sUDsP30XHo7yCMkgFYhfFH9 YpSDJvDHSqNew== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Mon, 2 Oct 2023 17:05:56 +0300 (MSK) Received: from CAB-WSD-0004828.sigma.sbrf.ru (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 2 Oct 2023 17:05:56 +0300 From: Martin Kurbanov To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mario Kicherer , Chuanhong Guo , Dhruva Gole CC: , , , Martin Kurbanov Subject: [PATCH v2] mtd: spinand: add support for FORESEE F35SQA002G Date: Mon, 2 Oct 2023 17:04:58 +0300 Message-ID: <20231002140458.147605-1-mmkurbanov@salutedevices.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 180282 [Oct 02 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: mmkurbanov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 535 535 da804c0ea8918f802fc60e7a20ba49783d957ba2, {Tracking_uf_ne_domains}, {Tracking_from_domain_doesnt_match_to}, www.longsys.com:7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;lore.kernel.org:7.1.1;salutedevices.com:7.1.1;127.0.0.199:7.1.2;100.64.160.123:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean, bases: 2023/10/02 11:51:00 X-KSMG-LinksScanning: Clean, bases: 2023/10/02 11:51:00 X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/10/02 12:04:00 #22024008 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for FORESEE F35SQA002G SPI NAND. Datasheet: https://www.longsys.com/uploads/LM-00006FORESEEF35SQA002GDatasheet_165018= 3701.pdf Signed-off-by: Martin Kurbanov --- Changes v2 since v1 at [1]: - Drop unneeded comment. Links: [1] https://lore.kernel.org/all/20230929144934.192649-1-mmkurbanov@salute= devices.com/ drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/foresee.c | 95 ++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 98 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/foresee.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index cd8b66bf7740..19cc77288ebb 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs :=3D core.o alliancememory.o ato.o esmt.o gigadevice.o macron= ix.o +spinand-objs :=3D core.o alliancememory.o ato.o esmt.o foresee.o gigadevic= e.o macronix.o spinand-objs +=3D micron.o paragon.o toshiba.o winbond.o xtx.o obj-$(CONFIG_MTD_SPI_NAND) +=3D spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 393ff37f0d23..849ccfedbc72 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -940,6 +940,7 @@ static const struct spinand_manufacturer *spinand_manuf= acturers[] =3D { &alliancememory_spinand_manufacturer, &ato_spinand_manufacturer, &esmt_c8_spinand_manufacturer, + &foresee_spinand_manufacturer, &gigadevice_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/foresee.c b/drivers/mtd/nand/spi/foresee.c new file mode 100644 index 000000000000..e0d2d9257045 --- /dev/null +++ b/drivers/mtd/nand/spi/foresee.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2023, SberDevices. All Rights Reserved. + * + * Author: Martin Kurbanov + */ + +#include +#include +#include + +#define SPINAND_MFR_FORESEE 0xCD + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +static SPINAND_OP_VARIANTS(write_cache_variants, + SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants, + SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static int f35sqa002g_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + return -ERANGE; +} + +static int f35sqa002g_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + /* Reserve 2 bytes for the BBM. */ + region->offset =3D 2; + region->length =3D 62; + + return 0; +} + +static const struct mtd_ooblayout_ops f35sqa002g_ooblayout =3D { + .ecc =3D f35sqa002g_ooblayout_ecc, + .free =3D f35sqa002g_ooblayout_free, +}; + +static int f35sqa002g_ecc_get_status(struct spinand_device *spinand, u8 st= atus) +{ + struct nand_device *nand =3D spinand_to_nand(spinand); + + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_HAS_BITFLIPS: + return nanddev_get_ecc_conf(nand)->strength; + + default: + break; + } + + /* More than 1-bit error was detected in one or more sectors and + * cannot be corrected. + */ + return -EBADMSG; +} + +static const struct spinand_info foresee_spinand_table[] =3D { + SPINAND_INFO("F35SQA002G", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72, 0x72), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(1, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&f35sqa002g_ooblayout, + f35sqa002g_ecc_get_status)), +}; + +static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops =3D= { +}; + +const struct spinand_manufacturer foresee_spinand_manufacturer =3D { + .id =3D SPINAND_MFR_FORESEE, + .name =3D "FORESEE", + .chips =3D foresee_spinand_table, + .nchips =3D ARRAY_SIZE(foresee_spinand_table), + .ops =3D &foresee_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 3e285c09d16d..badb4c1ac079 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -263,6 +263,7 @@ struct spinand_manufacturer { extern const struct spinand_manufacturer alliancememory_spinand_manufactur= er; extern const struct spinand_manufacturer ato_spinand_manufacturer; extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer; +extern const struct spinand_manufacturer foresee_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer; --=20 2.40.0