Merge tag 'u-boot-marvell-next-20260610' of https://source.denx.de/u-boot/custodians/u-boot-marvell into next

CI: https://source.denx.de/u-boot/custodians/u-boot-marvell/-/pipelines/30414

u-boot-marvell changes 2026-06-10:
- arm: kirkwood: Remove unnecessary watchdog GPIO for ZyXEL NSA325 board (Tony)
- net: mvpp2: fix NULL pointer dereference in mvpp2_phy_connect (Vincent)
- mtd: nand: pxa3xx: Pass valid dev to dev_err() (Chris)
- arm: mvebu: db-xc3-24g4xg: Remove marvell, nand-keep-config (Chris)
- arm: mvebu: Add Allied Telesis x220 (Chris)
- board: Synology: legacy.c: Include asm/io.h (Phil)
- board: Synology: common: Fix typo in Makefile (Phil)
- serial: serial_octeon_bootcmd.c: use correct Kconfig symbol (Heinrich)
- arm: mvebu: Drop unnecessary BOARD_EARLY_INIT_F usage (Tom)
- pinctrl: armada-38x: Staticize and constify driver ops (Marek)
- arm: mach-mvebu: armada8k: cpuinfo and SAR (Vincent)
- board: freebox: add Nodebox 10G board support (Vincent)
- board: freebox: nbx10g: add emmcboot for dual-bank eMMC boot (Vincent)
- board: freebox: nbx10g: add device serial and MAC address initialization (Vincent)
- arm: dts: armada-8040-nbx: add U-Boot dtsi for conditional OP-TEE (Vincent)
- timer: orion: Use dev_remap_addr_index() (Peng)

3 files changed, 51 insertions, 0 deletions

diff --git a/doc/board/alliedtelesis/index.rst b/doc/board/alliedtelesis/index.rst
new file mode 100644
index 00000000000..a8de2986609
--- /dev/null
+++ b/doc/board/alliedtelesis/index.rst
@@ -0,0 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0+
+.. Copyright (C) 2026 Allied Telesis Labs
+
+Allied Telesis
+==============
+
+.. toctree::
+   :maxdepth: 2
+
+   x220
+
diff --git a/doc/board/alliedtelesis/x220.rst b/doc/board/alliedtelesis/x220.rst
new file mode 100644
index 00000000000..6ca5f61ec4e
--- /dev/null
+++ b/doc/board/alliedtelesis/x220.rst
@@ -0,0 +1,39 @@
+.. SPDX-License-Identifier: GPL-2.0+
+.. Copyright (C) 2026 Allied Telesis Labs
+
+x220 Platforms
+==============
+
+Introduction
+------------
+
+The x220 has is a range of L2+ switches using the Marvell AlleyCat3 switch with
+integrated ARMv7 CPU. It is also sold under some different brands for different
+markets.
+
+- x220-52GP
+- x220-52GT
+- x220-28GS
+- GS980M/52PS
+- GS980M/52
+- x230-52
+
+DDR Traning (binhdr)
+--------------------
+
+The AlleyCat3 uses a binary blob for it's DDR training. This is launched by
+the built-in bootloader prior to U-Boot starting.
+
+To generate binary.0 from Marvell's bin_hdr.elf use the following command
+
+.. prompt:: bash $
+
+  arm-softfloat-linux-gnueabi-objcopy -S -O binary bin_hdr.elf \
+     board/alliedtelesis/x220/binary.0
+
+Alternatively, it is possible to extract the binary.0 from an existing U-Boot
+image
+
+.. prompt:: bash $
+
+   ./tools/dumpimage -T kwbimage -p 1 -o board/alliedtelesis/x220/binary.0 u-boot.kwb
diff --git a/doc/board/index.rst b/doc/board/index.rst
index fcb4224bae3..4103fef8d8f 100644
--- a/doc/board/index.rst
+++ b/doc/board/index.rst
@@ -10,6 +10,7 @@ Board-specific doc
    actions/index
    advantech/index
    andestech/index
+   alliedtelesis/index
    allwinner/index
    amlogic/index
    anbernic/index