From patchwork Wed Oct 19 07:16:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Farber, Eliav" X-Patchwork-Id: 4461 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4ac7:0:0:0:0:0 with SMTP id y7csp175378wrs; Wed, 19 Oct 2022 00:18:42 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5ivN9qGXGqarld5IMN+ZFfOYf9RlYDm323TBOLQFyxUX3gaEQwXs9dI1EowBisG/aZICok X-Received: by 2002:a17:902:ed4d:b0:183:ee9e:5578 with SMTP id y13-20020a170902ed4d00b00183ee9e5578mr6962002plb.23.1666163921805; Wed, 19 Oct 2022 00:18:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666163921; cv=none; d=google.com; s=arc-20160816; b=UO1TiOX82XNGV5XUWBR1pk5bBIg28Sml49uNNQv9rRRNoRHtOml06MXGxyRh7Svq6A 7/yig0OpwozRAXuXbs5ics3mMBkapJSczFSYNYnR6SkSaksB2Y12/wYjEgY3IjHn48Yu qTsyZCEL6mXHZVn1m1pG9KUgXGQ4kU94mZyHBGtdIMWGwQIeDRYZ8VqsoLbc72811nNe OY5UQGQKOOCaxmgqjVEPF+dqUxc3m6Mn9DSVehS+ibuxd0PRqqKpaAwQc3LoyP0a5z3n DC26PzPGFV+VpoKFxh3n0RDHBc0UY1bLPHnwING9cVGx/R//Vp9C0fMChbJ8qULZzA75 dj9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=idRMXOV7LEiNt8pIiLFFF8p2b7BGPUnm0JzpG6j/u38=; b=eWA0agpd7Wb4f9da0IQAicJ4AbMn2/1xCA822pTVsuDFyOUj8XJEzabb8x7EumP7rZ P91At360pXu+7oo4y0y+URCeqJOBI0mwbK6Ta0mHFm/DAvY5IjQXa3KRU3bTPSbatLXD z9zNiOKzSh3wXJuCdTQaWNaIhi9DT2aDoS2dul+5fHlNydud8LKEKb3gHKsfXqV5dFsR zPNIxAnm0aq8dmHtuvL63HIO4WL1wRkHazz08ryXHQL+1urZZCieLw6pey1nzbHJQtwm L+ynbIefaMHpzfW3iWSSCHYveHGAEduQ2i1k907CBOouor0hPohMoJ5OF31zukoIafrA TolA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=WWOtKI3Z; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id r73-20020a632b4c000000b0045f0795c39esi17947943pgr.578.2022.10.19.00.18.29; Wed, 19 Oct 2022 00:18:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=WWOtKI3Z; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229930AbiJSHQt (ORCPT + 99 others); Wed, 19 Oct 2022 03:16:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229902AbiJSHQp (ORCPT ); Wed, 19 Oct 2022 03:16:45 -0400 Received: from smtp-fw-2101.amazon.com (smtp-fw-2101.amazon.com [72.21.196.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC7CD63F01 for ; Wed, 19 Oct 2022 00:16:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1666163804; x=1697699804; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=idRMXOV7LEiNt8pIiLFFF8p2b7BGPUnm0JzpG6j/u38=; b=WWOtKI3Z4TQbu3if8eOoc9tzxA/RtaHwPVu/NIHRsBKK1J1xY8DYETIX x1Q7JmD6Vap55eZnk3vlsJHEgO7oGB5/EFPFXwF9NR0foqWPzWZ9+ORve ev9wJ1oXweZCrMx9zYz/VQDHoO//y/tHkEwwAZds+jSPQqTH8lycZodTF k=; X-IronPort-AV: E=Sophos;i="5.95,195,1661817600"; d="scan'208";a="253551215" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-pdx-2b-d803d33a.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-2101.iad2.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Oct 2022 07:16:38 +0000 Received: from EX13MTAUWB001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-pdx-2b-d803d33a.us-west-2.amazon.com (Postfix) with ESMTPS id 9013A817ED; Wed, 19 Oct 2022 07:16:37 +0000 (UTC) Received: from EX19D013UWA002.ant.amazon.com (10.13.138.210) by EX13MTAUWB001.ant.amazon.com (10.43.161.207) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 19 Oct 2022 07:16:33 +0000 Received: from EX13MTAUEB002.ant.amazon.com (10.43.60.12) by EX19D013UWA002.ant.amazon.com (10.13.138.210) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1118.15; Wed, 19 Oct 2022 07:16:33 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (172.19.116.181) by mail-relay.amazon.com (10.43.60.234) with Microsoft SMTP Server id 15.0.1497.42 via Frontend Transport; Wed, 19 Oct 2022 07:16:32 +0000 Received: by dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (Postfix, from userid 14301484) id 5D9EB2634; Wed, 19 Oct 2022 07:16:31 +0000 (UTC) From: Eliav Farber To: , , , , , , , CC: , , , , , , , , Subject: [PATCH v2 1/1] mtd: spi-nor: micron-st: Enable locking for n25q256ax1/mt25qu256a Date: Wed, 19 Oct 2022 07:16:31 +0000 Message-ID: <20221019071631.15191-1-farbere@amazon.com> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747099500494729362?= X-GMAIL-MSGID: =?utf-8?q?1747099500494729362?= n25q256ax1 [1] and mt25qu256a [2] (both have same jedec_id - 0x20bb19) use the 4 bit Block Protection scheme and support Top/Bottom protection via the BP and TB bits of the Status Register. BP3 is located in bit 6 of the Status Register. Tested on both n25q256ax1 and mt25qu256a. [1] https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/n25q/n25q_256mb_3v.pdf [2] https://www.micron.com/-/media/client/global/documents/products/data-sheet/nor-flash/serial-nor/mt25q/die-rev-a/mt25q_qljs_u_256_aba_0.pdf Signed-off-by: Eliav Farber --- xxd -p /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp 53464450060101ff00060110300000ff84000102800000ffffffffffffff ffffffffffffffffffffffffffffffffffffe520fbffffffff0f29eb276b 273b27bbffffffffffff27bbffff29eb0c2010d80f520000244a99008b8e 03d4ac0127387a757a75fbbdd55c4a0f82ff81bd3d36ffffffffffffffff ffffffffffffffffffe7ffff21dcffff md5sum /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp 5ea738216f68c9f98987bb3725699a32 /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/sfdp cat /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/jedec_id 20bb19104400 cat /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/partname mt25qu256a cat /sys/devices/platform/soc/fd882000.spi/spi_master/spi0/spi0.0/spi-nor/manufacturer st v2 --> v1: - Enable locking also for mt25qu256a. - Dump the SFDP tables. drivers/mtd/spi-nor/micron-st.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3c9681a3f7a3..f4d0153a5b1b 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -201,11 +201,15 @@ static const struct flash_info st_nor_parts[] = { MFR_FLAGS(USE_FSR) }, { "mt25qu256a", INFO6(0x20bb19, 0x104400, 64 * 1024, 512) + FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP | + SPI_NOR_BP3_SR_BIT6) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) FIXUP_FLAGS(SPI_NOR_4B_OPCODES) MFR_FLAGS(USE_FSR) }, { "n25q256ax1", INFO(0x20bb19, 0, 64 * 1024, 512) + FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP | + SPI_NOR_BP3_SR_BIT6) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ) MFR_FLAGS(USE_FSR) },