From: "Andrei Warkentin" <andrey.warkentin@gmail.com>
To: devel@edk2.groups.io
Cc: ard.biesheuvel@arm.com, leif@nuviainc.com, pete@akeo.ie,
philmd@redhat.com
Subject: [edk2-platforms][PATCH 2/2] RPi: remove any mention of an "internal DTB"
Date: Thu, 30 Apr 2020 14:16:17 -0700 [thread overview]
Message-ID: <20200430211617.120926-3-andrey.warkentin@gmail.com> (raw)
In-Reply-To: <20200430211617.120926-1-andrey.warkentin@gmail.com>
For Pi 3 and Pi 4, since the relevant functionality is gone from FdtDxe.
Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
---
Platform/RaspberryPi/RPi3/Readme.md | 3 +--
Platform/RaspberryPi/RPi4/Readme.md | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/Platform/RaspberryPi/RPi3/Readme.md b/Platform/RaspberryPi/RPi3/Readme.md
index f19d59d8..66f52bee 100644
--- a/Platform/RaspberryPi/RPi3/Readme.md
+++ b/Platform/RaspberryPi/RPi3/Readme.md
@@ -125,8 +125,7 @@ Note: the address range **must** be `[0x1f0000:0x200000]`. `dtoverlay` and `dtpa
This firmware will honor the command line passed by the GPU via `cmdline.txt`.
Note, that the ultimate contents of `/chosen/bootargs` are a combination of several pieces:
-- Original `/chosen/bootargs` if using the internal DTB. Seems to be completely discarded by GPU when booting with a custom device tree.
-- GPU-passed hardware configuration. This one is always present.
+- GPU-passed hardware configuration.
- Additional boot options passed via `cmdline.txt`.
# Limitations
diff --git a/Platform/RaspberryPi/RPi4/Readme.md b/Platform/RaspberryPi/RPi4/Readme.md
index 62a63c4c..03eb6c39 100644
--- a/Platform/RaspberryPi/RPi4/Readme.md
+++ b/Platform/RaspberryPi/RPi4/Readme.md
@@ -103,8 +103,7 @@ Note: the address range **must** be `[0x1f0000:0x200000]`. `dtoverlay` and `dtpa
This firmware will honor the command line passed by the GPU via `cmdline.txt`.
Note, that the ultimate contents of `/chosen/bootargs` are a combination of several pieces:
-- Original `/chosen/bootargs` if using the internal DTB. Seems to be completely discarded by GPU when booting with a custom device tree.
-- GPU-passed hardware configuration. This one is always present.
+- GPU-passed hardware configuration.
- Additional boot options passed via `cmdline.txt`.
# Limitations
--
2.17.1
next prev parent reply other threads:[~2020-04-30 21:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 21:16 [edk2-platforms][PATCH 0/2] Rip out "internal DTB" support in FdtDxe Andrei Warkentin
2020-04-30 21:16 ` [edk2-platforms][PATCH 1/2] RPi: rip out FdtDxe logic to use internal DTB Andrei Warkentin
2020-05-01 10:45 ` Pete Batard
2020-05-01 13:19 ` Ard Biesheuvel
2020-05-01 15:11 ` Pete Batard
2020-05-01 15:13 ` Ard Biesheuvel
2020-05-01 15:16 ` Pete Batard
2020-05-01 16:56 ` [edk2-devel] " Andrei Warkentin
2020-05-01 17:04 ` Ard Biesheuvel
2020-04-30 21:16 ` Andrei Warkentin [this message]
2020-05-01 10:47 ` [edk2-platforms][PATCH 2/2] RPi: remove any mention of an "internal DTB" Pete Batard
2020-05-01 17:08 ` [edk2-platforms][PATCH 0/2] Rip out "internal DTB" support in FdtDxe Ard Biesheuvel
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