From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26E59230995 for ; Tue, 14 Jan 2025 07:28:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.254.200.92 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736839729; cv=none; b=QuppBVHOk3CK3teZFQoNqkCUgg6fwNfPMqLi6a6iACpumQssfpj6JCbpUw/v2xLsUcHtARySIa0ggsauiMYZz+gde+XsijU3gPTOjYIHOpYkbmw7UnvtfZTa42JIC7qELoUAx/vdyqeEoAQOwe6yq7GRJnoea3vhW37iuUbFF4Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736839729; c=relaxed/simple; bh=Fp5XSrIJ0vBL7f9CdBFuUdgnU+xpQU+zczSp/4En7aI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=N+iFUiXrX9zQilCyfVnZdgDyvgwRZe2yrzZ4SBdcSXXIh0BbUk13YKEd0xDUXwGVkmAJGMTA/WCgVPlqzpbTQ3P3l/5D5VGSRXDSM25r5tbXXFO46CRmlqsPWOlz/oQbHg0XDZuBqUPBvwinoKWPLQnzZH4Mc0BffNQCyFsOcA0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux.starfivetech.com; spf=none smtp.mailfrom=linux.starfivetech.com; arc=none smtp.client-ip=54.254.200.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux.starfivetech.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.starfivetech.com X-QQ-mid: bizesmtp82t1736839655t8w05rpm X-QQ-Originating-IP: eGqhrEoWF6jWlA3opE70k2K13n+rCF53FvpGeyK1wHw= Received: from [192.168.125.117] ( [113.72.147.174]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 14 Jan 2025 15:27:33 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 2570354929066496579 Message-ID: <5F5ACE98B916A290+edc923d2-0ee8-4e41-8e69-f6603ef014fa@linux.starfivetech.com> Date: Tue, 14 Jan 2025 15:27:33 +0800 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/5] riscv: dts: starfive: jh7110-common: qspi flash setting read-delay 2 cycles max 100MHz To: E Shattow , Conor Dooley , Emil Renner Berthing , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org References: <20250102194530.418127-1-e@freeshell.de> <20250102194530.418127-3-e@freeshell.de> Content-Language: en-US From: Hal Feng In-Reply-To: <20250102194530.418127-3-e@freeshell.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:linux.starfivetech.com:qybglogicsvrgz:qybglogicsvrgz5a-1 X-QQ-XMAILINFO: Nw9C1WBu09hPfjoibA9DYZG7811bQgKDg3An/sJdzTrYtmQP40fp8KCc SzR2sab/vA49s20HY8ASB23fROgkDrLhZ1FGyTAgOAP9nxX4DUpljLK/5OAc9YuS7pILAag KhrF4N9dibiHGSsPH6FY78084p/i6dlHV8Nx3z/4HMM4bwWu4sRBGaquzkDX6RA+AgE8gv3 u6iT5wuG09lCyMkpbRP6kPH8U6+jmtMmKxUlOtmV6+J61CHVV619/LZErFxnKnc7VyIvZfs AHhfn2ckoyaja6HHjvJBdc3Cj8K4RPRPl2x/xb2w/1g675xBqQJ5SXwVZqv1utaj+nQiS+m Vm87HpY04EcQc9RwTcOX++w8oNjHNdH8S/IKJYNrMQ1oohTA5j8LfHCjb8Y4MLY3uyTqMGS nqNQ2V8T6yhnrr/1Fzdkl7lOszGIqKrz02QCVMfIPjC8B8rTqtA0j9dWzFpo0e62uR2fJgg vWizxcz8jUo5PxBX2bkN+/OqXhCofV81TRzB3BBicqezHDHvPN71VpOR/pugq/KgW1uAV1P Y5oLCxtDOFYkC8L8+I7UDPR9DmRpDsaO5MhRh1TWKsudlUWlq68qd8YkySjGGkQzdAO77ZF ElJx+EEFP3Je4X5wW2o3LMdEZ4Axr1cOScxu0qv0HkJhX5HPJfqK4xcufrtpfi4pANqE2y5 cMcptJBhzWJBHCGV+bBDUxn7FNLYYL/uFizGXqyDuq13h6HQkUCc8gguN1Z6W1eNsek4taH C8fHLw/zYKc/1WXhBjfuQ2WEyI4mxwU3rAeXEuf4YLT63rbsIm+fLKTRRVuqbJ2FEdsYOlL a9jvJSmyKz/FrkNIQctFdxMn7caKxi5VgX4Dz5UF9PqW+zLXGi89AoXJxoCrcfizoNdmHkl jbf5VUWnHS3cZLDPqf86oiuSrQGZ3t8b+O6eacgj8Jo+YEPPyiX63CJ/2XQcHzzF4nj9099 OCeCxugkklPILJsAhSb+u3gQQ X-QQ-XMRINFO: NS+P29fieYNw95Bth2bWPxk= X-QQ-RECHKSPAM: 0 On 1/3/2025 3:45 AM, E Shattow wrote: > Sync qspi flash setting to read-delay=2 and spi-max-frequency 100MHz for > better compatibility with operating system and downstream boot loader SPL > secondary program loader. > > Signed-off-by: E Shattow > --- > arch/riscv/boot/dts/starfive/jh7110-common.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi > index 55c6743100a7..651f9a602226 100644 > --- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi > +++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi > @@ -317,8 +317,8 @@ &qspi { > nor_flash: flash@0 { > compatible = "jedec,spi-nor"; > reg = <0>; > - cdns,read-delay = <5>; > - spi-max-frequency = <12000000>; > + cdns,read-delay = <2>; > + spi-max-frequency = <100000000>; > cdns,tshsl-ns = <1>; > cdns,tsd2d-ns = <1>; > cdns,tchsh-ns = <1>; Reviewed-by: Hal Feng