[PATCH] arm: dts: socfpga: l2c-310 full line of zeros error @kernel boot

[Nico Becker]

Am 11.06.2020 um 03:51 schrieb Tan, Ley Foon:
>
>> -----Original Message-----
>> From: Dinh Nguyen <dinguyen at kernel.org>
>> Sent: Thursday, June 11, 2020 2:55 AM
>> To: Marek Vasut <marex at denx.de>; Nico Becker <u-boot at ic-
>> automation.de>; u-boot at lists.denx.de
>> Cc: simon.k.r.goldschmidt at gmail.com; Tan, Ley Foon
>> <ley.foon.tan at intel.com>
>> Subject: Re: [PATCH] arm: dts: socfpga: l2c-310 full line of zeros error
>> @kernel boot
>>
>>
>>
>> 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.
>>
> Yes, I also just tested 2020.04 uboot and 5.4.23-lts kernel, also didn't see this error.
> What kernel version you are using?
>
> Regards
> Ley Foon
hello,
i use kernel 4.14.126-rt62-ltsi.

greetings