User:Minou/RiscV/BeagleV-Ahead

This document describes how to install Gentoo Linux on the Beaglev-ahead.

Setup directories for Gentoo build

I create the gentoo rootfs on /usr/src/riscv/beaglev-ahead/

root #mkdir /usr/src/riscv/beaglev-ahead

root #cd /usr/src/riscv/beaglev-ahead

root #mkdir deploy

root #mkdir rootfs-beaglev-ahead

Cross Toolchain

Install the crossdev utils

root #emerge --ask sys-devel/crossdev

Generate cross toolchains, including gcc, glibc, binutils, gdb

root #crossdev --target riscv64-unknown-linux-gnu

u-boot

Build the u-boot image

root #cd /usr/src/riscv/beaglev-ahead

root #git clone https://openbeagle.org/beaglev-ahead/beaglev-ahead-u-boot.git

root #cd beaglev-ahead-u-boot

root #make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- distclean

root #make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- light_beagle_defconfig

root #make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- all

root #cp -v u-boot-with-spl.bin ../deploy/

root #cd ..

OpenSBI

root #cd /usr/src/riscv/beaglev-ahead

root #git clone https://openbeagle.org/beaglev-ahead/beaglev-ahead-opensbi.git

root #cd beaglev-ahead-opensbi

root #make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu-PLATFORM=generic

root #cp -v ./build/platform/generic/firmware/fw_dynamic.bin ../deploy/

root #cd ..

Create Gentoo rootfs

To Do

Compress Gentoo rootfs

To Do

Partition and format micro SD

To Do

Decompress Gentoo roofs on micro SD rootfs partition

To Do

Flash the Firmware

Prepare tools

To flash firmware, we need fastboot, so please install

root #emerge --ask dev-util/android-tools

Flash the latest image on eMMC

To Do