Re: [edk2-devel] Additional configuration options on Armada/Cn913x

["Ard Biesheuvel" <ard.biesheuvel@arm.com>]

On 6/5/20 5:19 PM, Marcin Wojtas via groups.io wrote:
> Hi,
> 
> I'd like to ask for comments before I develop the actual code - 
> currently we have 2 workarounds done specifically for Linux:
> a. ECAM shift in PCIE
> b. SPCR address space definition

What does this mean?

> 
> Both above are not needed e.g. in FreeBSD and I was requested to add 
> their optional disabling.

Disabling ECAM shift is just a matter of exposing the iATU controls to 
the OS, right? Why do you need to disable it?

> The idea is to add dedicated variables that 
> would optionally allow to disable the quirks, accessible via 
> BootManager. Questions:
> 
> - Would above be acceptable or is there a better way to handle such cases?
> - In case it's fine, is there a dedicated place in the BootManager menu 
> to add custom switches?

Typically in a 'platform' submenu under the Device Manager

> - Are you aware of good examples for adding custom options?
> 

You could look at SynQuacer or Raspberry Pi for inspiration on how to 
create HII pages in the UiApp menu system.