arm-sdk/boards/nokia-n900.sh

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#!/usr/bin/env zsh
# Copyright (c) 2016 Dyne.org Foundation
# arm-sdk is written and maintained by Ivan J. <parazyd@dyne.org>
#
# This file is part of arm-sdk
#
# This source code is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This software is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this source code. If not, see <http://www.gnu.org/licenses/>.
## kernel build script for Nokia N900
## settings & config
vars+=(device_name arch size parted_type parted_boot parted_root bootfs inittab)
vars+=(gitkernel gitbranch)
arrs+=(custmodules)
device_name="n900"
arch="armel"
size=791
#inittab=""
parted_type="dos"
parted_boot="fat32 2048s 264191s"
parted_root="ext4 264192s 100%"
bootfs="vfat"
extra_packages+=(firmware-ti-connectivity)
custmodules=()
#gitkernel="https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git"
#gitbranch="linux-4.13.y"
gitkernel="https://github.com/pali/linux-n900/"
gitbranch="v4.9-n900"
prebuild() {
fn prebuild
req=(device_name strapdir)
ckreq || return 1
notice "executing $device_name prebuild"
mkdir -p $R/tmp/kernels/$device_name
## the wl1251 driver generates a random MAC address on every boot
## this "fixes" udev so it does not autoincrement the interface number each
## time the device boots
print "#" | sudo tee $strapdir/etc/udev/rules.d/75-persistent-net-generator.rules >/dev/null
}
postbuild() {
fn postbuild
notice "executing $device_name postbuild"
copy-root-overlay
}
build_kernel_armel() {
fn build_kernel_armel
req=(R arch device_name gitkernel gitbranch MAKEOPTS)
req+=(strapdir)
req+=(loopdevice)
ckreq || return 1
notice "building $arch kernel"
prebuild || zerr
get-kernel-sources
pushd $R/tmp/kernels/$device_name/${device_name}-linux
copy-kernel-config
# compile kernel and modules
make \
$MAKEOPTS \
ARCH=arm \
CROSS_COMPILE=$compiler \
zImage modules omap3-n900.dtb || zerr
cat arch/arm/boot/zImage arch/arm/boot/dts/omap3-n900.dtb > zImage || zerr
# install kernel modules
sudo -E PATH="$PATH" \
make \
$MAKEOPTS \
ARCH=arm \
CROSS_COMPILE=$compiler \
INSTALL_MOD_PATH=$strapdir \
INSTALL_MOD_STRIP=1 \
modules_install || zerr
# install kernel headers
#sudo -E PATH="$PATH" \
# make \
# $MAKEOPTS \
# ARCH=arm \
# CROSS_COMPILE=$compiler \
# INSTALL_HDR_PATH=$strapdir/usr \
# headers_install || zerr
# install kernel firmware
sudo -E PATH="$PATH" \
make \
$MAKEOPTS \
ARCH=arm \
CROSS_COMPILE=$compiler \
INSTALL_MOD_PATH=$strapdir \
firmware_install || zerr
mkimage -A arm -O linux -T kernel -C none -a 80008000 -e 80008000 -n zImage -d zImage uImage
sudo cp -v uImage $strapdir/boot/
popd
postbuild || zerr
}