From nobody Wed Dec 17 15:34:26 2025 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 94D01C61DF4 for ; Sat, 25 Nov 2023 12:36:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232169AbjKYMgB (ORCPT ); Sat, 25 Nov 2023 07:36:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232137AbjKYMfx (ORCPT ); Sat, 25 Nov 2023 07:35:53 -0500 Received: from mail-ed1-x52b.google.com (mail-ed1-x52b.google.com [IPv6:2a00:1450:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E0BB19B6 for ; Sat, 25 Nov 2023 04:35:56 -0800 (PST) Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-54afdbdb7d2so1762719a12.3 for ; Sat, 25 Nov 2023 04:35:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1700915754; x=1701520554; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=TcXs8DG65Rtg58oE+up88Lq4hTYhaQzAZwdBNatPv3E=; b=c82j5qXo0XNniDBJR6Fr9PNjZPHTPVqanITi0G8ofo2YiiEvE3ESlb3N1IIf1WHFc6 1wBplVZgQIaWMYrceTyBcRtoVgm+505sArBWzydXLltvTwnyD0+AO2MbB5CnvSJCZPqi aoEFPDk0F736uVqx1JTlHXn7dKY/5RVRjx3R/LwTm/9clYJpsIjOk+kGlbtuhTimQmPJ XfHKEvDc7Op7Y1pYT1T9OYKVUzecmg9CwQNEOHOt6ShSHY0k1tg52gBj9+XcmHaaSUOt pP4sRT6oaeGpUBCuefaJ0FTBBcGJxppUKVzzbzYhjbShJGItavfZBqvQwS0gx3lUQP7b BvXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700915755; x=1701520555; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=TcXs8DG65Rtg58oE+up88Lq4hTYhaQzAZwdBNatPv3E=; b=mKWEcLY9LAIxwBYxKJdk3SD8HvXjylmG6LDrzC0FOKVwWnmm7FSiUprj7lJlpbocLM c8VoBKTcZWntPVEFzZL33ADs6OAyNyf4cW0zkAoa/qnSSBVHw3Xh0g8/cHrl24SgHmsD 9a7vpVI3GRVrebOEx+ZEQte7V/6CcEJsuU8Z1fW29CClHlJxm8//qTT62AniOhIvU3Ha UFhGw/7eonP5AoWG53Pdr9LvdZHYK1wlRqbi0RxW0uGrvm921CI2+Fi9j+E/4PSjNtaM N15SFdPX9sOOLIfR+XhiCrPAqPGhCV6HC1swJ18MEIMTBgoAehtMvHUXKohJrd76GJj3 rLKw== X-Gm-Message-State: AOJu0YxTM4RhK1X4Cy6Xo/t9kvsgFChb4c0q14u+/AAtVhOFK4TrJTLK GyqUCJN1vlJdCuK7xEOhpLJKfQ== X-Google-Smtp-Source: AGHT+IHdeYl/OJTLXATqbQBrqR9h57XosEk+PYRoSMKkDelPWWmhTNWK1ojD/74xFrBnLuDA9IZh0Q== X-Received: by 2002:a17:906:9e08:b0:a03:4acd:750f with SMTP id fp8-20020a1709069e0800b00a034acd750fmr3994977ejc.20.1700915754802; Sat, 25 Nov 2023 04:35:54 -0800 (PST) Received: from 1.. ([79.115.63.75]) by smtp.gmail.com with ESMTPSA id lv23-20020a170906bc9700b009f28db2b702sm3390163ejb.209.2023.11.25.04.35.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Nov 2023 04:35:54 -0800 (PST) From: Tudor Ambarus To: pratyush@kernel.org, michael@walle.cc, fastevam@denx.de Cc: linux-mtd@lists.infradead.org, takahiro.kuwano@infineon.com, bacem.daassi@infineon.com, linux-kernel@vger.kernel.org, Fabio Estevam , Tudor Ambarus Subject: [PATCH v3 5/5] mtd: spi-nor: micron-st: Add support for mt25qu01g Date: Sat, 25 Nov 2023 14:35:29 +0200 Message-Id: <20231125123529.55686-6-tudor.ambarus@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231125123529.55686-1-tudor.ambarus@linaro.org> References: <20231125123529.55686-1-tudor.ambarus@linaro.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2040; i=tudor.ambarus@linaro.org; h=from:subject; bh=qdPCdEgUWxvGLhVyUwHlXAj47Qi5sR15BlnuG/9ieeo=; b=owEBbQGS/pANAwAKAUtVT0eljRTpAcsmYgBlYeoRDj5E4PFoxCRL/3RvCsy7w+UgyF0bJ7L0g GgDTQENszOJATMEAAEKAB0WIQQdQirKzw7IbV4d/t9LVU9HpY0U6QUCZWHqEQAKCRBLVU9HpY0U 6UMzCACZkv+KkQDtK9Sp9Q28aV734tjYoM3xi8jyX50siPTnkCfEL7b16dE+YjCIpq/pamgVI87 oVbj35cv+nkAsguGeV7t2csTEZhL3G8YtjYgQjBsm5wT4a7fw/G23sVMJVmCOGm5Cdm8IfTp1rI U/8W06YQXPHySueKChRgJetNWByFKjcrqe7Ud387Mj+LnffKk30aPwYZTTtIy4Ymgxk6OVHdxRV l9LaSKQ91etjOk8ixjOa7GFgRdbwKTsPnJaa9KpUx9VYyfXspK7Y7PuXWLtTAR/RCHpJz97yfGO j9awPMW/+e4gBGRVcUoixIICbiTJOztAepE9gV8yE6CKDlrz X-Developer-Key: i=tudor.ambarus@linaro.org; a=openpgp; fpr=280B06FD4CAAD2980C46DDDF4DB1B079AD29CF3D 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: Fabio Estevam Add support for the MT25QU01G 128MB Micron Serial NOR Flash Memory model. Link: https://www.micron.com/-/media/client/global/documents/products/data-= sheet/nor-flash/serial-nor/mt25q/die-rev-b/mt25q_qlkt_u_01g_bbb_0.pdf Signed-off-by: Fabio Estevam [ta: introduce die erase] Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/micron-st.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-s= t.c index b63f1e9b97d0..3c6499fdb712 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -209,10 +209,30 @@ static int st_nor_four_die_late_init(struct spi_nor *= nor) return spi_nor_set_4byte_addr_mode(nor, true); } =20 +static int st_nor_two_die_late_init(struct spi_nor *nor) +{ + struct spi_nor_flash_parameter *params =3D nor->params; + + params->die_erase_opcode =3D SPINOR_OP_MT_DIE_ERASE; + params->n_dice =3D 2; + + /* + * Unfortunately the die erase opcode does not have a 4-byte opcode + * correspondent for these flashes. The SFDP 4BAIT table fails to + * consider the die erase too. We're forced to enter in the 4 byte + * address mode in order to benefit of the die erase. + */ + return spi_nor_set_4byte_addr_mode(nor, true); +} + static struct spi_nor_fixups n25q00_fixups =3D { .late_init =3D st_nor_four_die_late_init, }; =20 +static struct spi_nor_fixups mt25q01_fixups =3D { + .late_init =3D st_nor_two_die_late_init, +}; + static struct spi_nor_fixups mt25q02_fixups =3D { .late_init =3D st_nor_four_die_late_init, }; @@ -455,6 +475,11 @@ static const struct flash_info st_nor_parts[] =3D { SPI_NOR_BP3_SR_BIT6, .no_sfdp_flags =3D SECT_4K | SPI_NOR_QUAD_READ, .mfr_flags =3D USE_FSR, + }, { + .id =3D SNOR_ID(0x20, 0xbb, 0x21, 0x10, 0x44, 0x00), + .name =3D "mt25qu01g", + .mfr_flags =3D USE_FSR, + .fixups =3D &mt25q01_fixups, }, { .id =3D SNOR_ID(0x20, 0xbb, 0x21), .name =3D "n25q00a", --=20 2.34.1