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

[Marek Vasut]

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 ?