[PATCH 11/11] ARM: versatile: move CLCD configuration to device tree

Linus Walleij linus.walleij at linaro.org
Thu Feb 25 07:36:17 PST 2016


On Thu, Feb 25, 2016 at 3:35 PM, Pantelis Antoniou
<pantelis.antoniou at konsulko.com> wrote:
>> On Feb 25, 2016, at 15:43 , Linus Walleij <linus.walleij at linaro.org> wrote:

>> It also means there is no way to get the console up without the right
>> firmware files in the filesystem. I think that is really crap compared
>> to what we have today where the display will always come up, and
>> basically a regression.
>>
>> I understand the stance with respect to things like add-on hardware
>> like a Bluetooth board or WLAN or whatnot. But the fbdev console
>> is just too basic, like a serial port IMO.
>>
>> Sure in the ARM world we usually have a serial console, but this is
>> seriously breaking current practice.
>
> As Tomi mentioned firmware files can be located in the kernel image; there is no
> requirement to be in a filesystem, and that application can be performed really
> early, before even early init.

Are you thinking about exploiting an appended DT with
CONFIG_ARM_APPENDED_DTB or something else?

Yours,
Linus Walleij



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