From nobody Fri Apr 3 02:23:04 2026 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 C5147C54EE9 for ; Sat, 17 Sep 2022 11:17:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229606AbiIQLRF (ORCPT ); Sat, 17 Sep 2022 07:17:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229581AbiIQLRD (ORCPT ); Sat, 17 Sep 2022 07:17:03 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4189232DB0 for ; Sat, 17 Sep 2022 04:17:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663413422; x=1694949422; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=r5R83j4pOSZlr5q6a2Hps+vq4FBEXptw1GqH09jMVRM=; b=WcCqlrMtFUE9ty00gf+lQYQ96Gp8dP2G6HoD73jLn3vg3azTw12l2sNC Ulf+SQ6xiN8KwCrnnREenNs6AUjgE4CyUnMwNmSQJG4++uuRVGzspoS5R KqfvE4/V1TpPxpuGHrQN1jVE7RVntZeslWAsEgsJ9LAuhiU5/lkMhM7MT E3xKwr2XG9UG0dpWMmudC96bldHXm0ebgyhsDsK/B1dPgAR9GOv/6+A30 8RsVUQgFXIgThw8lzTyYYDz72kblhdZGRLfs7gF59e//LPzEPMB45CR6w bCEVmJCH+QjMhRHHuN99o5YWIjJmn5yBqrygjnmYeCQEAMOut/VV8Be5S A==; X-IronPort-AV: E=McAfee;i="6500,9779,10472"; a="363107123" X-IronPort-AV: E=Sophos;i="5.93,323,1654585200"; d="scan'208";a="363107123" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2022 04:17:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,323,1654585200"; d="scan'208";a="743609171" Received: from unknown (HELO localhost.localdomain) ([10.226.216.116]) by orsmga004.jf.intel.com with ESMTP; 17 Sep 2022 04:16:59 -0700 From: niravkumar.l.rabara@intel.com To: Tudor Ambarus , Pratyush Yadav , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Niravkumar L Rabara Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] mtd: spi-nor: macronix: Add support for mx66u1g45g Date: Sat, 17 Sep 2022 19:16:40 +0800 Message-Id: <20220917111640.977243-1-niravkumar.l.rabara@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220916082215.883184-1-niravkumar.l.rabara@intel.com> References: <20220916082215.883184-1-niravkumar.l.rabara@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Niravkumar L Rabara The MX66U1G45G is the smaller sibling (128MB) of the MX66U2G45G (256MB) that is already supported. Tested on Intel N5X socdk board, - random data write, erase, read - verified erase operations - random data write, read and compare - verified write/read operations Signed-off-by: Niravkumar L Rabara --- root@n5x:~# find / -iname spi-nor /sys/kernel/debug/spi-nor /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/spi0.0/spi-nor /sys/bus/spi/drivers/spi-nor root@n5x:~# ls -al /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/s= pi0.0/spi-nor/ drwxr-xr-x 2 root root 0 Dec 16 17:26 . drwxr-xr-x 6 root root 0 Dec 16 17:25 .. -r--r--r-- 1 root root 4096 Dec 16 17:26 jedec_id -r--r--r-- 1 root root 4096 Dec 16 17:26 manufacturer -r--r--r-- 1 root root 4096 Dec 16 17:26 partname -r--r--r-- 1 root root 0 Dec 16 17:26 sfdp root@n5x:~# cat /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/sp= i0.0/spi-nor/jedec_id c2253b root@n5x:~# cat /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/spi= 0.0/spi-nor/manufacturer macronix root@n5x:~# cat /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/spi= 0.0/spi-nor/partname mx66u1g45g root@n5x:~# cat /sys/devices/platform/soc/ff8d2000.spi/spi_master/spi0/spi= 0.0/spi-nor/sfdp > mx66u1g45g-sfdp root@n5x:~# hexdump mx66u1g45g-sfdp 0000000 4653 5044 0106 ff02 0600 1001 0030 ff00 0000010 00c2 0401 0110 ff00 0084 0201 00c0 ff00 0000020 ffff ffff ffff ffff ffff ffff ffff ffff 0000030 20e5 fffb ffff 3fff eb44 6b08 3b08 bb04 0000040 fffe ffff ffff ff00 ffff eb44 200c 520f 0000050 d810 ff00 4987 00b5 d282 e204 0344 3867 0000060 b030 b030 bdf7 5cd5 9e4a ff29 50f0 85f9 0000070 ffff ffff ffff ffff ffff ffff ffff ffff * 00000c0 8f7f ffff 5c21 ffdc ffff ffff ffff ffff 00000d0 ffff ffff ffff ffff ffff ffff ffff ffff * 0000110 2000 1600 f99d 64c0 cb85 ffff ffff ffff 0000120 --- drivers/mtd/spi-nor/macronix.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c index d81a4cb2812b..07ace9da74b7 100644 --- a/drivers/mtd/spi-nor/macronix.c +++ b/drivers/mtd/spi-nor/macronix.c @@ -97,6 +97,10 @@ static const struct flash_info macronix_nor_parts[] =3D { SPI_NOR_QUAD_READ) }, { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048) NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) }, + { "mx66u1g45g", INFO(0xc2253b, 0, 64 * 1024, 2048) + PARSE_SFDP + FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) + FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) FIXUP_FLAGS(SPI_NOR_4B_OPCODES) }, --=20 2.25.1