From: "Ard Biesheuvel" <ard.biesheuvel@arm.com>
To: Andrei Warkentin <andrey.warkentin@gmail.com>, devel@edk2.groups.io
Cc: leif@nuviainc.com, pete@akeo.ie, philmd@redhat.com
Subject: Re: [edk2-platforms][PATCH 0/2] RPi - add DT-only mode
Date: Mon, 11 May 2020 13:28:41 +0200 [thread overview]
Message-ID: <e344609f-49ee-6a04-a31c-647196b2b276@arm.com> (raw)
In-Reply-To: <20200510213450.12642-1-andrey.warkentin@gmail.com>
On 5/10/20 11:34 PM, Andrei Warkentin wrote:
> Today the Pies can be booted in a way where only ACPI is exposed,
> or both ACPI and DT are exposed.
>
> This patch set adds one more mode - DT only, no ACPI. The target
> audience is developers. When both are exposed, it's up to the OS
> to decide which gets used, and that choice can differ between OSes.
>
> Note: this does _not_ change defaults. Pi 3 still defaults to
> ACPI + DT, while Pi 4 still defaults to ACPI only.
>
> We don't really want to remove DT + ACPI mode - it is the default
> on Pi 3, and removing it is bound to just annoy users - WoA and
> NetBSD (voa UEFI) on Pi 3 only work with ACPI, while everything
> else (Linux, FreeBSD) only work with DT. I'd make an analogy of
> MPS and ACPI being exposed for the longest time ever together on
> PCs.
>
> Andrei Warkentin (2):
> RPi: move varstore structure defs to ConfigVars.h
> RPi: allow selecting DT-only mode
>
Pushed as 51da3c318e3d..d492639638ee (with Pete's R-b and his remark
addressed)
Thanks!
> .../RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c | 21 ++-
> .../Drivers/ConfigDxe/ConfigDxe.inf | 2 +-
> .../Drivers/ConfigDxe/ConfigDxeHii.uni | 9 +-
> .../Drivers/ConfigDxe/ConfigDxeHii.vfr | 146 ++----------------
> Platform/RaspberryPi/Drivers/FdtDxe/FdtDxe.c | 6 +-
> .../RaspberryPi/Drivers/FdtDxe/FdtDxe.inf | 2 +-
> Platform/RaspberryPi/Include/ConfigVars.h | 131 ++++++++++++++++
> Platform/RaspberryPi/RPi3/RPi3.dsc | 8 +-
> Platform/RaspberryPi/RPi4/RPi4.dsc | 8 +-
> Platform/RaspberryPi/RaspberryPi.dec | 2 +-
> 10 files changed, 180 insertions(+), 155 deletions(-)
> create mode 100644 Platform/RaspberryPi/Include/ConfigVars.h
>
prev parent reply other threads:[~2020-05-11 11:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-10 21:34 [edk2-platforms][PATCH 0/2] RPi - add DT-only mode Andrei Warkentin
2020-05-10 21:34 ` [edk2-platforms][PATCH 1/2] RPi: move varstore structure defs to ConfigVars.h Andrei Warkentin
2020-05-11 10:57 ` Pete Batard
2020-05-10 21:34 ` [edk2-platforms][PATCH 2/2] RPi: allow selecting DT-only mode Andrei Warkentin
2020-05-11 10:58 ` Pete Batard
2020-05-11 11:25 ` Ard Biesheuvel
2020-05-11 11:28 ` Ard Biesheuvel [this message]
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