From patchwork Sat Jan 1 07:42:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Apurva Nandan X-Patchwork-Id: 12702079 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 38923C433EF for ; Sat, 1 Jan 2022 07:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232181AbiAAHo4 (ORCPT ); Sat, 1 Jan 2022 02:44:56 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:51250 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232197AbiAAHoz (ORCPT ); Sat, 1 Jan 2022 02:44:55 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2017iYTH085947; Sat, 1 Jan 2022 01:44:34 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1641023074; bh=txZu6fU3MKR3uE/18fxqGGNnCmTSd/BV0SpgDwy3tGg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ZDLAo+cn43AspJoYhnVSvzN/+5AuksfLs6Xg4gc6xSfl8+aZrxKbT6mTdbOAKB8aQ VBO5QwWstotd8GFYUiSHDoFMOigqy2GMAlK9i8Y2Gru3z5DE6DaACK9waU+yHRNHs+ tvFB0nGDsiHR+ORob9UJl7jPgHAVgivgHtbfuXTM= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2017iYv1091236 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 1 Jan 2022 01:44:34 -0600 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Sat, 1 Jan 2022 01:44:34 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Sat, 1 Jan 2022 01:44:34 -0600 Received: from LT5CD112GSQZ.ent.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2017gpwm033162; Sat, 1 Jan 2022 01:44:29 -0600 From: Apurva Nandan To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Mark Brown , Apurva Nandan , Patrice Chotard , Christophe Kerello , Boris Brezillon , Daniel Palmer , Alexander Lobakin , , , CC: Subject: [PATCH v3 17/17] mtd: spinand: winbond: Add support for Winbond W35N01JW SPI NAND flash Date: Sat, 1 Jan 2022 13:12:50 +0530 Message-ID: <20220101074250.14443-18-a-nandan@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220101074250.14443-1-a-nandan@ti.com> References: <20220101074250.14443-1-a-nandan@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Winbond W35N01JW is a SPI NAND flash supporting Octal DTR SPI protocol. Add op_variants and ctrl_ops_variants for W35N01JW, thus adding all required Octal DTR ops. Add W35N01JW's OOB layout functions for the mtd_ooblayout_ops. Finally, add an entry for W35N01JW in spinand_info table. Datasheet: https://www.winbond.com/export/sites/winbond/datasheet/W35N01JW_Datasheet_Brief.pdf Signed-off-by: Apurva Nandan --- drivers/mtd/nand/spi/winbond.c | 71 ++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 5b943169120e..42fdb578f731 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -42,6 +42,37 @@ static SPINAND_OP_VARIANTS(update_cache_variants_w25xxgv, SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), SPINAND_PROG_LOAD(false, 0, NULL, 0)); +static SPINAND_OP_VARIANTS(read_cache_variants_w35n01jw, + SPINAND_PAGE_READ_FROM_CACHE_OCTALIO_DTR_OP(0, 24, 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_w35n01jw, + SPINAND_PROG_LOAD_OCTALIO_DTR(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants_w35n01jw, + SPINAND_PROG_LOAD_OCTALIO_DTR(false, 0, NULL, 0), + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static SPINAND_CTRL_OPS_VARIANTS(ctrl_ops_variants_w35n01jw, + SPINAND_CTRL_OPS(SPINAND_8D_8D_8D, + SPINAND_RESET_OP_OCTAL_DTR, + SPINAND_GET_FEATURE_OP_OCTAL_DTR(0, NULL), + SPINAND_SET_FEATURE_OP_OCTAL_DTR(0, NULL), + SPINAND_WR_EN_DIS_OP_OCTAL_DTR(true), + SPINAND_BLK_ERASE_OP_OCTAL_DTR(0), + SPINAND_PAGE_READ_OP_OCTAL_DTR(0), + SPINAND_PROG_EXEC_OP_OCTAL_DTR(0)), + SPINAND_CTRL_OPS(SPINAND_1S_1S_1S, + SPINAND_RESET_OP, + SPINAND_GET_FEATURE_OP(0, NULL), + SPINAND_SET_FEATURE_OP(0, NULL), + SPINAND_WR_EN_DIS_OP(true), + SPINAND_BLK_ERASE_OP(0), + SPINAND_PAGE_READ_OP(0), + SPINAND_PROG_EXEC_OP(0))); + static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -66,11 +97,40 @@ static int w25m02gv_ooblayout_free(struct mtd_info *mtd, int section, return 0; } +static int w35n01jw_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = (16 * section) + 12; + region->length = 4; + + return 0; +} + +static int w35n01jw_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 7) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 10; + + return 0; +} + static const struct mtd_ooblayout_ops w25m02gv_ooblayout = { .ecc = w25m02gv_ooblayout_ecc, .free = w25m02gv_ooblayout_free, }; +static const struct mtd_ooblayout_ops w35n01jw_ooblayout = { + .ecc = w35n01jw_ooblayout_ecc, + .free = w35n01jw_ooblayout_free, +}; + static int w25m02gv_select_target(struct spinand_device *spinand, unsigned int target) { @@ -105,6 +165,17 @@ static const struct spinand_info winbond_spinand_table[] = { &update_cache_variants_w25xxgv), 0, SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)), + SPINAND_INFO("W35N01JW", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xdc), + NAND_MEMORG(1, 4096, 128, 64, 512, 20, 1, 1, 1), + NAND_ECCREQ(1, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants_w35n01jw, + &write_cache_variants_w35n01jw, + &update_cache_variants_w35n01jw), + SPINAND_HAS_OCTAL_DTR_BIT | SPINAND_HAS_CR_FEAT_BIT, + SPINAND_ECCINFO(&w35n01jw_ooblayout, NULL), + SPINAND_INFO_CTRL_OPS_VARIANTS(&ctrl_ops_variants_w35n01jw)), + }; static int winbond_spinand_init(struct spinand_device *spinand)