From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50102C4338F for ; Thu, 29 Jul 2021 15:20:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C5C2560F48 for ; Thu, 29 Jul 2021 15:20:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C5C2560F48 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=biot.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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 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-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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.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; -- 2.25.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/