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u-boot-amlogic: add odroid-c2

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Add support for building u-boot for ODROID C2. The steps used to build
the FIP is not only different compared to other boards like gxl and g12a
boards, but it also differs ever so slightly compared to other gxbb
boards, so some work still needs to be done to support *other* gxbb
boards in u-boot-amlogic.

Signed-off-by: Ferass El Hafidi <funderscore@postmarketos.org>
Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/7569>
This commit is contained in:
Ferass El Hafidi
2026-08-20 19:10:47 +00:00
committed by The Friendly Meow (merge) Bot
parent efb8683177
commit 63864ad053
1 changed files with 53 additions and 3 deletions
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device/testing/u-boot-amlogic/APKBUILD
+53 -3
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@@ -4,13 +4,14 @@
maintainer="Ferass El Hafidi <funderscore@postmarketos.org>"
pkgname=u-boot-amlogic
pkgver=2026.04
pkgrel=0
pkgrel=1
pkgdesc="U-Boot bootloader for Amlogic AArch64-based devices"
url="https://u-boot.org/"
arch="aarch64"
license="GPL-2.0-or-later OFL-1.1 BSD-2-Clause BSD-3-Clause eCos-2.0 IBM-pibs
ISC LGPL-2.0-only LGPL-2.1-only X11 proprietary"
makedepends="$depends_dev
amlogic-fiptool
bc
bison
crust
@@ -18,6 +19,7 @@ makedepends="$depends_dev
flex
gxlimg
gnutls-dev
meson-tools
openssl-dev
py3-setuptools
python3-dev
@@ -47,6 +49,9 @@ replaces="
_fip_builddir="$srcdir/amlogic-boot-fip-$_amlogicblob_commit"
# Format: <board>:<board u-boot defconfig>,<amlogic-boot-fip board files>
_gxbb_boards="
odroid-c2:odroid-c2,odroid-c2
"
_gxl_boards="
beelink-gt1:beelink-gt1-ultimate,beelink-gt1
librecomputer-lepotato:libretech-cc,lepotato
@@ -58,6 +63,7 @@ _g12a_boards="
radxa-zero:radxa-zero,radxa-zero
"
_boards="
$_gxbb_boards
$_gxl_boards
$_g12a_boards
"
@@ -85,6 +91,36 @@ _build_u_boot() {
#
# SoC-specific FIP building
#
_build_fip_gxbb() {
board_fip_dir="$1"
u_boot="$2"
if [ -e "$board_fip_dir/bl2.package" ]; then
# ODROID C2-specific steps
bl2bin="$board_fip_dir/bl2.package"
bl30bin="$board_fip_dir/bl30.bin"
bl301bin="$board_fip_dir/bl301.bin"
bl31bin="$board_fip_dir/bl31.bin"
fip_create \
--bl30 "$bl30bin" \
--bl301 "$bl301bin" \
--bl31 "$bl31bin" \
--bl33 "$u_boot" \
"$board_fip_dir/fip.bin"
cat "$bl2bin" "$board_fip_dir/fip.bin" > "$board_fip_dir/boot_new.bin"
amlbootsig "$board_fip_dir/boot_new.bin" "$board_fip_dir/u-boot.gxbb"
dd if="$board_fip_dir/bl1.bin.hardkernel" of="$board_fip_dir/bl2.bin.emmc-header.bin" conv=fsync,notrunc bs=1 count=442
dd if="$board_fip_dir/bl1.bin.hardkernel" of="$board_fip_dir/bl2.bin.sd.bin" conv=fsync,notrunc bs=512 skip=1
dd if="$board_fip_dir/u-boot.gxbb" of="$board_fip_dir/u-boot.bin" conv=fsync,notrunc bs=512 skip=96
fi
# TODO: Implement "regular" Amlogic S905 FIP building steps here
}
_build_fip_gxl() {
board_fip_dir="$1"
u_boot="$2"
@@ -175,15 +211,22 @@ build() {
cd $_fip_builddir
mkdir -p ./build
if echo $_gxl_boards | grep -q $board; then
if echo $_gxbb_boards | grep -q $board; then
msg "Building Amlogic GXBB firmware package for $board_codename (FIP: $board_fip_dir)"
_build_fip_gxbb "$board_fip_dir" "$builddir/u-boot.bin"
dd if="$board_fip_dir/bl2.bin.emmc-header.bin" of="./build/u-boot-$board_codename.bin.emmc-hdr.bin" conv=fsync,notrunc bs=512
dd if="$board_fip_dir/bl2.bin.sd.bin" of="./build/u-boot-$board_codename.bin.bl2.bin" conv=fsync,notrunc bs=512
dd if="$board_fip_dir/u-boot.bin" of="./build/u-boot-$board_codename.bin.sd-stripped.bin" conv=fsync,notrunc bs=512
elif echo $_gxl_boards | grep -q $board; then
msg "Building Amlogic GXL firmware package for $board_codename (FIP: $board_fip_dir)"
_build_fip_gxl "$board_fip_dir" "$builddir/u-boot.bin"
dd if="$board_fip_dir/u-boot.bin" of="./build/u-boot-$board_codename.bin.sd-stripped.bin" conv=fsync,notrunc bs=512
elif echo $_g12a_boards | grep -q $board; then
msg "Building Amlogic G12A firmware package for $board_codename (FIP: $board_fip_dir)"
_build_fip_g12a "$board_fip_dir" "$builddir/u-boot.bin"
dd if="$board_fip_dir/u-boot.bin" of="./build/u-boot-$board_codename.bin.sd-stripped.bin" conv=fsync,notrunc bs=512
fi
dd if="$board_fip_dir/u-boot.bin" of="./build/u-boot-$board_codename.bin.sd-stripped.bin" conv=fsync,notrunc bs=512
cd $builddir
done
}
@@ -200,6 +243,13 @@ _board_package() {
mkdir -p "$subpkgdir/usr/share/u-boot/$board_codename/"
install -D -m644 "$srcdir/amlogic-boot-fip-$_amlogicblob_commit/build/u-boot-$board_codename.bin.sd-stripped.bin" \
"$subpkgdir/usr/share/u-boot/$board_codename/u-boot.bin.sd-stripped.bin"
if echo $_gxbb_boards | grep -q $board_codename; then
# eMMC @AML header for S905 devices (newer SoCs have it in the same location as the SD header)
install -D -m644 "$srcdir/amlogic-boot-fip-$_amlogicblob_commit/build/u-boot-$board_codename.bin.emmc-hdr.bin" \
"$subpkgdir/usr/share/u-boot/$board_codename/u-boot.bin.emmc-hdr.bin"
install -D -m644 "$srcdir/amlogic-boot-fip-$_amlogicblob_commit/build/u-boot-$board_codename.bin.bl2.bin" \
"$subpkgdir/usr/share/u-boot/$board_codename/u-boot.bin.bl2.bin"
fi
}
for board in $_boards; do