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build_rpi_blobs() {
apk fetch --quiet --stdout raspberrypi-bootloader | tar -C "${DESTDIR}" -zx --strip=1 boot/
}
rpi_gen_cmdline() {
echo "modules=loop,squashfs,sd-mod,usb-storage quiet ${kernel_cmdline}"
}
rpi_gen_config() {
case "$ARCH" in
armhf)
cat <<-EOF
disable_splash=1
boot_delay=0
gpu_mem=256
gpu_mem_256=64
[pi0]
kernel=boot/vmlinuz-rpi
initramfs boot/initramfs-rpi
[pi1]
kernel=boot/vmlinuz-rpi
initramfs boot/initramfs-rpi
[pi2]
kernel=boot/vmlinuz-rpi2
initramfs boot/initramfs-rpi2
[pi3]
kernel=boot/vmlinuz-rpi2
initramfs boot/initramfs-rpi2
[pi3+]
kernel=boot/vmlinuz-rpi2
initramfs boot/initramfs-rpi2
[all]
include usercfg.txt
EOF
;;
aarch64)
cat <<-EOF
disable_splash=1
boot_delay=0
arm_control=0x200
kernel=boot/vmlinuz-rpi
initramfs boot/initramfs-rpi
# uncomment line to enable serial on ttyS0 on rpi3
# NOTE: This fixes the core_freq to 250Mhz
# enable_uart=1
include usercfg.txt
EOF
;;
esac
}
build_rpi_config() {
rpi_gen_cmdline > "${DESTDIR}"/cmdline.txt
rpi_gen_config > "${DESTDIR}"/config.txt
}
section_rpi_config() {
[ "$hostname" = "rpi" ] || return 0
build_section rpi_config $( (rpi_gen_cmdline ; rpi_gen_config) | checksum )
build_section rpi_blobs
}
profile_rpi() {
profile_base
title="Raspberry Pi"
desc="Includes Raspberry Pi kernel.
Designed for RPI 1,2 and 3.
And much more..."
image_ext="tar.gz"
arch="aarch64 armhf"
kernel_flavors="rpi"
case "$ARCH" in
armhf) kernel_flavors="$kernel_flavors rpi2";;
esac
kernel_cmdline="dwc_otg.lpm_enable=0 console=tty1"
initfs_features="base bootchart squashfs ext4 f2fs kms mmc raid scsi usb"
hostname="rpi"
}
build_uboot() {
set -x
# FIXME: Fix apk-tools to extract packages directly
local pkg pkgs="$(apk fetch --simulate --root "$APKROOT" --recursive u-boot-all | sed -ne "s/^Downloading \([^0-9.]*\)\-.*$/\1/p")"
for pkg in $pkgs; do
[ "$pkg" = "u-boot-all" ] || apk fetch --root "$APKROOT" --stdout $pkg | tar -C "$DESTDIR" -xz usr
done
mkdir -p "$DESTDIR"/u-boot
mv "$DESTDIR"/usr/sbin/update-u-boot "$DESTDIR"/usr/share/u-boot/* "$DESTDIR"/u-boot
rm -rf "$DESTDIR"/usr
}
section_uboot() {
[ -n "$uboot_install" ] || return 0
build_section uboot $ARCH $(apk fetch --root "$APKROOT" --simulate --recursive u-boot-all | sort | checksum)
}
profile_uboot() {
profile_base
title="Generic ARM"
desc="Has default ARM kernel.
Includes the uboot bootloader.
Supports armhf and aarch64."
image_ext="tar.gz"
arch="aarch64 armhf armv7"
kernel_flavors="vanilla"
kernel_addons="xtables-addons"
initfs_features="base bootchart squashfs ext4 kms mmc raid scsi usb"
apkovl="genapkovl-dhcp.sh"
hostname="alpine"
uboot_install="yes"
}
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