From patchwork Thu Jul 29 15:18:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bert Vermeulen X-Patchwork-Id: 1511322 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=DULzaW2N; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4GbDjj3CQ9z9sRf for ; Fri, 30 Jul 2021 01:20:09 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=uumcBJ47X9BqzmLCKhp2Hk1adoRPhNxu8NA4gM/dzgU=; b=DULzaW2N04Eayq bB56XFXM4XaygacNVz/OGTbdI4QZ+NGfl1bdRFPcnZN2xsEx364s8e0wZHzHq9nLbDNu9jymNucTa sEDvxENcXXQ1SbUd1uZZuZY2OX75h2mXkfhjpuq2YVXtwJeetYCUjWARIGfEMjTZmDDtWgNWpnqNR Hy+GqikdHD+abZIFBqMFJwEQqjpgOarm1yyk5/vVRqBTlmCDXpfo1Dof6GjGfeKjdDgrHo15dEATu EE5xKv07JRaMD7jYHNjupImnSVpy6huFfWNxKEILu1OpYEVWMMKYiAyDHSA9Ky+YkFTxXhxcPNJ50 eysoK5x/qM6vKJUvdkfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m97oV-004frz-FD; Thu, 29 Jul 2021 15:19:11 +0000 Received: from yawp.biot.com ([2a01:4f8:10a:8e::fce2]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m97oK-004fji-Am for linux-mtd@lists.infradead.org; Thu, 29 Jul 2021 15:19:08 +0000 Received: from debian-spamd by yawp.biot.com with sa-checked (Exim 4.93) (envelope-from ) id 1m97o9-006Uno-EM for linux-mtd@lists.infradead.org; Thu, 29 Jul 2021 17:18:49 +0200 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on yawp X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,RDNS_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.4 Received: from [2a02:578:460c:1:ae1f:6bff:fed1:9ca8] (helo=sumner.biot.com) by yawp.biot.com with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1m97o9-006Unk-AJ; Thu, 29 Jul 2021 17:18:49 +0200 Received: from bert by sumner.biot.com with local (Exim 4.93) (envelope-from ) id 1m97o8-002x8B-JO; Thu, 29 Jul 2021 17:18:48 +0200 From: Bert Vermeulen To: linux-mtd@lists.infradead.org, Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Bert Vermeulen , Patrice Chotard , Boris Brezillon , Christophe Kerello , Mark Brown , Alexander Lobakin Subject: [V2] mtd: spinand: Add support for Etron EM73D044VCx Date: Thu, 29 Jul 2021 17:18:23 +0200 Message-Id: <20210729151829.703892-1-bert@biot.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210729_081900_496296_1FCE983D X-CRM114-Status: GOOD ( 16.92 ) X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: This adds a new vendor Etron, and support for a 2Gb chip. The datasheet is available at https://www.etron.com/cn/products/EM73%5B8%5DC%5BD_E_F%5DVC%20SPI%20NAND%20Flash_Promotion_Rev%201_00A.pdf Signed-off-by: Bert Vermeulen --- v2: Fixed a small style issue, and now sending to linux-mtd@ as well. Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org This adds a new vendor Etron, and support for a 2Gb chip. The datasheet is available at https://www.etron.com/cn/products/EM73%5B8%5DC%5BD_E_F%5DVC%20SPI%20NAND%20Flash_Promotion_Rev%201_00A.pdf Signed-off-by: Bert Vermeulen --- v2: Fixed a small style issue, and now sending to linux-mtd@ as well. drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/etron.c | 98 +++++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 101 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/etron.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index 9662b9c1d5a9..cc3c4e046ea9 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := core.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o +spinand-objs := core.o etron.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 446ba8d43fbc..2a806ffa7310 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -895,6 +895,7 @@ static const struct nand_ops spinand_ops = { static const struct spinand_manufacturer *spinand_manufacturers[] = { &gigadevice_spinand_manufacturer, + &etron_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, ¶gon_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/etron.c b/drivers/mtd/nand/spi/etron.c new file mode 100644 index 000000000000..653092be5938 --- /dev/null +++ b/drivers/mtd/nand/spi/etron.c @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include + +#define SPINAND_MFR_ETRON 0xd5 + + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_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 etron_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 72; + oobregion->length = 56; + + return 0; +} + +static int etron_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *oobregion) +{ + if (section) + return -ERANGE; + + oobregion->offset = 1; + oobregion->length = 71; + + return 0; +} + +static int etron_ecc_get_status(struct spinand_device *spinand, u8 status) +{ + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_HAS_BITFLIPS: + /* Between 1-7 bitflips were corrected */ + return 7; + + case STATUS_ECC_MASK: + /* Maximum bitflips were corrected */ + return 8; + + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + } + + return -EINVAL; +} + +static const struct mtd_ooblayout_ops etron_ooblayout = { + .ecc = etron_ooblayout_ecc, + .free = etron_ooblayout_free, +}; + +static const struct spinand_info etron_spinand_table[] = { + SPINAND_INFO("EM73D044VCx", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x1f), + // bpc, pagesize, oobsize, pagesperblock, bperlun, maxbadplun, ppl, lpt, #t + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(8, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&etron_ooblayout, etron_ecc_get_status)), +}; + +static const struct spinand_manufacturer_ops etron_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer etron_spinand_manufacturer = { + .id = SPINAND_MFR_ETRON, + .name = "Etron", + .chips = etron_spinand_table, + .nchips = ARRAY_SIZE(etron_spinand_table), + .ops = &etron_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6988956b8492..d7c0a0439652 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -260,6 +260,7 @@ struct spinand_manufacturer { }; /* SPI NAND manufacturers */ +extern const struct spinand_manufacturer etron_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;