From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgau2.qq.com (smtpbgau2.qq.com [54.206.34.216]) (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 AD6E623D3FE for ; Tue, 14 Jan 2025 07:27:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=54.206.34.216 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736839674; cv=none; b=BTDVMqvJkc0tb5bvUlgiPQbnUEYF6aZCUweQQb+7NQL97agrQ1bXXOc9LdKMpRWm3Kc4YAJoq2NaY+DSEe+y+Cg8pDZwhsPqwj8ctU3i9jyuS+NmebJD2OlnJ8pHwkpUDTaaDvwjn7D9U7eC76Cdw1L52lT8X9vPngBEeIne8eg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736839674; 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=Gc7gKklKmjUUQBKhswD7mtJr6fBA0VcWTvzHj6U048iqZktcjMDqYFHxdxHRI9BJ0vYdHyTC7ESf0TPciMPdHn1WWdi2lbGjjaU1Uqt2Zh0Jm5Z6PeR6w05vteustrW6FatQpmfnKxYJdeEAXBdByR6WCmitaiA1qXVtqxRP+EE= 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=54.206.34.216 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: linux-kernel@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: NMB3uNxca02mROTn8NP7DC0ZUBESmntVGWpilHU4gbvHSgRAzdB5VtrB uELpowXuVuyJP83nkgOw/mHFHT1d8Z3vz6TZPiROMZ7j8SPFxoRkBkTXzHNcqB5viL96SMp 16XyxuCdFT8mU2c4q8sX9IGbnsrvSWfU/ZLUkN1cVOSQgnaNboXanq6Ix+xeRxg55LpcH+c CjqCHtSl/Rdk+dyENl21L2CBWm7JVbbDFmZ6T+FBpADn1bYtxLL8AgWPF8p4vh5hBDoXIah JmBHCA+7qtvhI6XHPTTOvqwkBak93U/yDUKi+A4NuTybsvVSc3VhomtKUsNMgT4gUptNlBm XuNhybIAHilz24irqHq7cVQsrfK6Efo9XNn7MTWpZ38jcqHUIgKznahRBSIJJooYLdDC3jA iIf2oBQ1Nlv9JZO8XVv9cSVatk5kZ8+sCsBoblCNMVF1cJqwzfncMVyNYGUoTv3kN7HRYgy PA/03qlU+9YEoTLJKwOpJSpWi231eX5lWe70M1j10BM5Zq5QIknHUtcSEMhvhGY6qntrdws /yHDtYTIpjUvA17XHIF5IeQNTQ7WZjgTEx+tDDmtq4g/RoNB25NLYAEvxkrIeJvD1P0hxHG hu5DtsLQXbtqLV2HROKwaQKipgdFOK0bpDn+bMh3X27aoO03i/BDThERDN9At8WFx4/Rjs7 IjjFN1xJUA85eAXs8NPmY3PuqnHm4tNfgsqWtXrzrpXGxUiKLMvLQrN3J6pFfr5x91WErTZ RrbL3HgnMaeWCSNrd3QuhfJUyt40iXHVgkraqZ6qvVPZB9OuJdZjqBn19dzmQrBpsmQTyo0 7/7wGoFQL0wkaH+X19VUwpViLBfp/CxyAzugJIOqSlBdItb4DKE8x90HhDHTnfHNSedqZ55 qlyAt1Y7o6e3+lvghFgmpn9bZk46oKiUZ4urhQAFgKWCUeQ3GK5Ra7ju2z4hoA7wQJiydB+ UKuoJaa5NmK1WMK/DM3VIlcYN X-QQ-XMRINFO: Nq+8W0+stu50PRdwbJxPCL0= 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