From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh Nguyen Date: Wed, 10 Jun 2020 13:54:41 -0500 Subject: [PATCH] arm: dts: socfpga: l2c-310 full line of zeros error @kernel boot In-Reply-To: <87d69905-9fe7-5c1a-924d-9604f076dcf6@denx.de> References: <02264379-36cf-021f-b709-29ed20828206@ic-automation.de> <87d69905-9fe7-5c1a-924d-9604f076dcf6@denx.de> Message-ID: <62e66fed-ccca-684c-a944-e0db87b714af@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 6/10/20 8:23 AM, Marek Vasut wrote: > On 6/10/20 3:21 PM, Nico Becker wrote: >> Am 10.06.2020 um 15:19 schrieb Marek Vasut: >>> On 6/10/20 3:14 PM, Nico Becker wrote: >>>> if i remove the arm,shared-override option in the dts file, >>>> the kernel boot without an error. >>>> With the option the kernel boots with the following error: >>>> dmesg --level=err >>>> L2C-310: enabling full line of zeros but not enabled in Cortex-A9 >>>> >>>> i ve no idea why the parameter have an effect on that. i try several >>>> kernels, allays the same behavior. >>>> >>>> >>>> diff --git a/arch/arm/dts/socfpga.dtsi b/arch/arm/dts/socfpga.dtsi >>>> index eda558f2fe..c2173416c7 100644 >>>> --- a/arch/arm/dts/socfpga.dtsi >>>> +++ b/arch/arm/dts/socfpga.dtsi >>>> @@ -719,7 +719,6 @@ >>>> ????? ??? ??? arm,data-latency = <2 1 1>; >>>> ????? ??? ??? prefetch-data = <1>; >>>> ????? ??? ??? prefetch-instr = <1>; >>>> -??? ??? ??? arm,shared-override; >>>> ????? ??? ??? arm,double-linefill = <1>; >>>> ????? ??? ??? arm,double-linefill-incr = <0>; >>>> ????? ??? ??? arm,double-linefill-wrap = <1>; >>>> >>> Do you use latest u-boot/master or some older version ? Which one? >> >> sorry, i forget it. >> >> i use v2020.01 > > Should be OK I think. Hmmmmm, I suspect this is another fun with the > ACTLR/CPACR registers, like 937db7188e3a5ab8f802eff9b57854189379667a . > Ley, any ideas ? > I just tested with 2020.07-rc4-00022-gbe79009f3b along with linux v5.7, and I no longer see the error. Dinh