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List:       netbsd-port-arm
Subject:    Re: Quartz64
From:       Jared McNeill <jmcneill () invisible ! ca>
Date:       2022-05-14 19:48:23
Message-ID: alpine.DEB.2.22.394.2205141641480.2603176 () metroid
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You can load a DT overlay from efiboot on NetBSD, even when booting in 
ACPI mode on Arm.


On Sat, 14 May 2022, Robert Swindells wrote:

>
> I wrote:
>> What is the process for adding extra drivers to NetBSD for boards using
>> ACPI, do we need to get you to add definitions for them to the APCI
>> table in UEFI?
>>
>> Or can devices be configured just using the device tree as well?
>
> The changelog for UEFI states that passing the device tree to the kernel
> was removed in a previous release as some operating systems attached the
> device tree driver in preference to the acpi one.
>
> Both NetBSD/amd64 and NetBSD/i386 manage to configure acpi devices as
> well as non-acpi ones.
>
> Can we copy whatever is done for amd64 and i386 in evbarm and put back
> providing the device tree from UEFI?
>
> Robert Swindells
>
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