Re: [PATCH 09/11] MIPS: mobileye: Add EPM5 device tree
From: Gregory CLEMENT
Date: Mon Oct 09 2023 - 10:51:16 EST
"Arnd Bergmann" <arnd@xxxxxxxx> writes:
> On Wed, Oct 4, 2023, at 18:10, Gregory CLEMENT wrote:
>> +
>> + chosen {
>> + bootargs = "cca=5 earlycon console=ttyAMA2 ddr32_alias=0x40000000";
>> + stdout-path = "serial2:115200n8";
>> + };
>> +
>
> The bootargs should not be needed here, at least most of them:
>
> - no need to set both console= and the stdout-path if you have
> earlycon support
OK I keep stdout-path.
>
> - ddr32_alias=0x40000000 sounds like something that should be
> part of the dtb elsewhere and not require a command line argument.
> I assume this is needed to even build?
I will answer on the other email but in short I agree.
>
> - For cca=, it looks like this is intended to be autodetected from
> the c0_config register. Does that not work for you for some reason?
Indeed I checked and it it nost needed anymore, it is already set in
cps_smp_setup. I remove it.
Thanks,
Gregory
>
> Arnd
--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com