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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C38E5C433EF for ; Fri, 3 Dec 2021 14:50:38 +0000 (UTC) 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5OgnftmNmq7Kz/0rsJdbgbs8ovPXkmR1azYqKTjrPV4=; b=3x9g0B15VxU+sZ otyQB6HQMix4AfrmOatIkMJjdPt6tzRrErRmXWRNv3ifv3yDXXS38fEoE82B16OrON9Vhc7GhUg3j dW0+ITUaiy3CunVogXboEscudC+poGzGpKLd9nyqp5Wtz5ACgFGl8sOsOyf9Ut7HjyT8+abyFU6a7 h8dclyq1UTlnJ+9bJ8lwpnGZh+lpbNaIUhcCUS9Dw2UserL2Z+6o54KAkI3PgU4SyHIMbdRgIKUKT lbgl/pibyxtjRwruzZvpsh6Y+bxhOIlK3cVJZVZ/8sJr88z/Z5wDb6Zb8Q4lgQ7e6Cgz5ynOypiYf PbF+WRiGo2ak972V7GKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mt9rR-00GEca-RY; Fri, 03 Dec 2021 14:48:31 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mt9Te-00G86k-T2; Fri, 03 Dec 2021 14:23:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1638541435; x=1670077435; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=tVip7n7+IvSNBYXQtRjv8uiLQ+MDFL++mvxmwPscxsU=; b=IzUCMBCxPUHqCMDj1FLZmxuQgQzp/1c2vxQIBYg2g4tbpvMrwlEs56+8 3nE3pS2flIagmPeKCi0MSwQKJQnC/9/bFhkC6HA0GkuR4inNkbV3qWGyA E+BeQXuxJSmaa1DHNJwZs1Z8AnaFvx7/Q2zN8Z+nDIdIy3H5bJ/zeXIc0 S4CreAJm/arQf0xXVTqHZxa3vQ7TN7sM5lxM0xuHi2sHFiBsgP41CHKW6 DsnGCc5jnpZeKeKxZoabavig8bWMcpMTigARD4PXj2iogcGLXrz6lGE2Z WdnyLHNsjTYomjGqBl9eACB510bdlZgucmEpcfgAqvOGAQShA2LhcL5ui w==; IronPort-SDR: kIdepvyy+MOC9fmZq+V61F0kSKjf6qMJEKHaYAPPDt6HjD/nqsP0ukf/Jh1aarvBjxT72mfjmi kn0nKM5ykW1/Uy5im3E8GiqstDQgtWlgk/xwShEr3vNpBV8IK9u3MlbMfR/45iSHOiAnFjfMw0 bPj2CpK901q8ymDPKJTl1QaT5P0noeb4jQlzKUKph162d5iGkFyKGH+DZCqtucwU2kCMmaHlOA cY42x8Vp2v1pITLZJNIvKrmzjQ7hXIC5N7KGIVGUVv9UmQforKt6rj+dfka8tLWnXZ3EQMBuKU 80CABeLM/njamwbnv0jWzSlO X-IronPort-AV: E=Sophos;i="5.87,284,1631602800"; d="scan'208";a="141189577" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 03 Dec 2021 07:23:54 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Fri, 3 Dec 2021 07:23:53 -0700 Received: from ROB-ULT-M18064N.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Fri, 3 Dec 2021 07:23:49 -0700 From: Tudor Ambarus To: , Subject: [PATCH v5 11/14] mtd: spi-nor: winbond: w25q256jvm: Init flash based on SFDP Date: Fri, 3 Dec 2021 16:22:53 +0200 Message-ID: <20211203142256.47370-12-tudor.ambarus@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211203142256.47370-1-tudor.ambarus@microchip.com> References: <20211203142256.47370-1-tudor.ambarus@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211203_062355_035937_355064A4 X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: macromorgan@hotmail.com, vigneshr@ti.com, Tudor Ambarus , jaimeliao@mxic.com.tw, richard@nod.at, esben@geanix.com, linux@rasmusvillemoes.dk, knaerzche@gmail.com, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, code@reto-schneider.ch, miquel.raynal@bootlin.com, heiko.thiery@gmail.com, sr@denx.de, figgyc@figgyc.uk, mail@david-bauer.net, zhengxunli@mxic.com.tw Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Get rid of the static initialization of the flash parameters and init them when parsing SFDP. Generated a 256 Kbyte random data and did an erase, write, read back and compare test. The flash uses for reads SPINOR_OP_READ_1_4_4 0xeb, for erases SPINOR_OP_BE_4K 0x20, and for writes SPINOR_OP_PP 0x02. Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/winbond.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index 421509406368..a7573df0a62d 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -117,8 +117,7 @@ static const struct flash_info winbond_parts[] = { NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) .fixups = &w25q256_fixups }, { "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512) - NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | - SPI_NOR_QUAD_READ) }, + PARSE_SFDP }, { "w25q256jw", INFO(0xef6019, 0, 64 * 1024, 512) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel