From nobody Tue Feb 10 00:23:26 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1768230415; cv=none; d=zohomail.com; s=zohoarc; b=eHQ3bgezpzcFnHuzGAJw6nGoO0AJY/MCLyW3Ai1vMJEcsieDjNicTCq+6MKviTbnA799M9dISMxQ2SGrgWkpbLg01cWxKw70ldUMPMwCkV+sTM9Xbryx39VYN5MZZ/aec1g9rGzKkRybk78IF5IzdeIWIE1AEZp/jQGIqmSrvPk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1768230415; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=BaTAsRHnOdECfannlW8tUPW9PoxsrFLrXmi2zEMp9G8=; b=QmBxPS2al1LoMsaU5pLHtS7Yx2Q4pB2AQMoHmRVULgYlWQYssYakkoY1ZlcPMtoFpUR4RASUEOEoUTffCqyxoBb66dhgp6RRiEVT6nM3f4y3EUdX9FlR9xfTo4exNAYt2+96uvpyytEIab++mPsrB9p5D+2MXjicoaok72b21VA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1768230415348523.0906732102497; Mon, 12 Jan 2026 07:06:55 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vfJKE-0008VK-Nj; Mon, 12 Jan 2026 09:55:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vfJJp-0007px-Dg for qemu-devel@nongnu.org; Mon, 12 Jan 2026 09:54:57 -0500 Received: from mail-ej1-x629.google.com ([2a00:1450:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1vfJJj-0001cC-VG for qemu-devel@nongnu.org; Mon, 12 Jan 2026 09:54:57 -0500 Received: by mail-ej1-x629.google.com with SMTP id a640c23a62f3a-b86f81d8051so292067666b.1 for ; Mon, 12 Jan 2026 06:54:51 -0800 (PST) Received: from archlinux (dynamic-077-188-226-222.77.188.pool.telefonica.de. [77.188.226.222]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8731f0718asm37387966b.67.2026.01.12.06.54.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 06:54:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1768229690; x=1768834490; darn=nongnu.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=BaTAsRHnOdECfannlW8tUPW9PoxsrFLrXmi2zEMp9G8=; b=MTQ/2uSc5O9PXCLhD/gtb0LZ8iBdIOX7gECSII7u5tE0k7ai5HnR6pWvnRXENI/sUq rYA+xewxih7k+8yQcM2oxt03rayu0lYVo5Akb3mAk14Souxu+yY2u0tDRZQ4sjTnqGFQ HVs+77+Xh9Oj7dqbw17fQEhwyQmLZnsgZBiXq4VdGBwEpQeSqLYiulWQDAhA1+Qwiqd7 T+6QkJeSHpGv9TyIfEOtME6X/Ks+pySwpO2sVZeaoxzOOH5fHipgjx9XeTC8XoGlW5ho 1QGdQFlmvqudpQX00ae/lSaqbU4RVvaq7U5DdkjQj1Vj+69PsqCWnXEp82tXUj+zRH4s GSWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768229690; x=1768834490; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=BaTAsRHnOdECfannlW8tUPW9PoxsrFLrXmi2zEMp9G8=; b=TqmZ6xSXtSPSq0doZGMUGKGMHumfrnfJH1anwMy7f1GuIJFPqZi4pl1IIzgXmZqIJN aogsaAfOCvD0STQKjfY388iXxNbrQPCtwsLJivUbH5f4+/faNI98S9VPyj+IfhEuzYQ2 DC54dNeKm8i8BCjUQBZiGUdmKF5mcsRG6p4RCNr5BX+y7zPOjyQFRTvux7zf66avVLmR qCbqtHmFl+dLVA9QEBJeWtuMcPZzQhTCUJizSnsHjF01uHYHPFw2OjXmOtLHY/InS+Bh beBwnaw7I8WbZhhmzGtNTX29JyAj9PRmB5fi6ccZF8TO75mOcq9K4YP8aXMz5jAm+6eX OwEQ== X-Gm-Message-State: AOJu0YxCPQFJMCMD14uhmkvn/GbL4k9gBXV9Mrp5EnAp1ZgLKcHuk6a3 Fj8JC41/zex5qWltxBi0ICsSexOmGIujom9SSoUdms9EKxFYluls+jiWao/u7Xnt X-Gm-Gg: AY/fxX5PPBpZZOV1/SdqHX7of6FM+l9o776aAzbTaUHVmxHoxFatW9s9irjHE7RKI95 J6/JpALewa8HjR1dAnV9e+d7V5ZaGZ9Kr8DxBAFA2itrKa0zG8OdU4fmoZskjibtYovRXbdiyIx rWbizfcp+fzbSv0GcuSmiLY+hOMt6Q2uD3oxwgdN8WjqTZuz63eW1d0k5VsKSps/3WLo8YSdfOk I16tT0U3xSOTxQnMTY/j/R3FOfA8At95jMvfs9I/CeAgZTlELkhqjmLWMvZemmvfUTkA0uzOwPY hc7mxCFx4bDOXfUdOXUUv7ngPRo9dKzxiEn+AFlsE9JuaKjFbGwnKXf6OQmhazuF88kb7ZT+S1q g/GC2TDFzIb4+5YS3+uY0ShByQ7c0sgJ+hsh2TTh3yqFJAogGd3NLGq6jrkJknZuE+fcSSumkq5 dpuMzyIh2WELd0TxJzbVsMnXRXL5VgwCJySzlo2E0w+e5sPb6DjVuGjfpbOwBruQ38PEarhoZa X-Google-Smtp-Source: AGHT+IEz8v3qcfC80squY01h4UmdnPHp3L38lnKYF+Tv3/pLx9Cjve+BGkNsM/QhYpadj5iIGsRm/Q== X-Received: by 2002:a17:907:3d11:b0:b80:3fb7:8e68 with SMTP id a640c23a62f3a-b84299be630mr2295540766b.21.1768229690028; Mon, 12 Jan 2026 06:54:50 -0800 (PST) From: Bernhard Beschow To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Jean-Christophe Dubois , qemu-arm@nongnu.org, Bernhard Beschow , Guenter Roeck , Bin Meng , Thomas Huth , Peter Maydell , qemu-block@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 12/14] hw/sd/sdhci: Add uSDHC-specific quirk Date: Mon, 12 Jan 2026 15:54:16 +0100 Message-ID: <20260112145418.220506-13-shentey@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260112145418.220506-1-shentey@gmail.com> References: <20260112145418.220506-1-shentey@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::629; envelope-from=shentey@gmail.com; helo=mail-ej1-x629.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1768230417003158500 Content-Type: text/plain; charset="utf-8" This quirk is required for imx8mp-evk to boot via u-boot successfully. Signed-off-by: Bernhard Beschow --- hw/sd/sdhci.c | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index eab814096d..3b0a26ef53 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -1892,9 +1892,33 @@ static void fsl_esdhc_le_init(Object *obj) qdev_prop_set_uint8(dev, "vendor", SDHCI_VENDOR_FSL); } =20 +static uint64_t usdhc_read(void *opaque, hwaddr offset, unsigned size) +{ + if (offset =3D=3D SDHC_CLKCON) { + /* we force the reset value of the lower nibble since QEMU alters = it */ + return esdhc_read(opaque, offset, size) | 0xf; + } + + return esdhc_read(opaque, offset, size); +} + +static void usdhc_write(void *opaque, hwaddr offset, uint64_t val, + unsigned size) +{ + if (offset =3D=3D SDHC_CLKCON) { + if ((val & 0xf) !=3D 1) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: SYS_CTRL[3..0] shall always be written as 0= xf", + DEVICE(opaque)->canonical_path); + } + } + + esdhc_write(opaque, offset, val, size); +} + static const MemoryRegionOps usdhc_mmio_ops =3D { - .read =3D esdhc_read, - .write =3D esdhc_write, + .read =3D usdhc_read, + .write =3D usdhc_write, .valid =3D { .min_access_size =3D 1, .max_access_size =3D 4, --=20 2.52.0