User:Minou/RiscV/BeagleV-Fire

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Preface

All done except flashing and test

Create gentoo rootfs

We will be using an already created rootfs

root #emerge --ask dev-embedded/u-boot-tools
root #mkdir /usr/src/riscv64
root #cd /usr/src/riscv64
root #mkdir rootfs-beaglev-fire
root #cd rootfs-beaglev-fire
root #tar xvf ../rootfs-riscv64-20250123.tar.gz --strip-components 1

chroot in rootfs directory

root #arch-chroot /usr/src/riscv64/rootfs-beaglev-fire
root #env-update
root #export PS1="(chroot) $PS1"
root #source /etc/profile
root #emerge --sync

update system

Create a root password
Just in case the original rootfs is a few days or weeks old
it would be a good idea to do a system update

If glibc or ncurses are reemerged this could take a while
root #emerge -avuDN @world

Update fstab

{{RootCmd |echo '/dev/mmcblk0p2 /boot/firmware/ vfat user,uid=1000,gid=1000,defaults 0 2' >> /etc/fstab |echo '/dev/mmcblk0p3 / auto errors=remount-ro 0 1' >> /etc/fstab |echo 'debugfs /sys/kernel/debug debugfs mode=755,uid=root,gid=gpio,defaults 0 0' >> /etc/fstab

Create Linux Kernel

root #cd /usr/src
root #ln -s linux-beaglev-fire linux
root #cd linux
root #cp arch/riscv/configs/beaglev_fire_defconfig .config
root #eselect kernel list 
[1]   linux-beaglev-fire *
If yours doesn't have a default 
or if you have an other kernel as default  
select linux-beaglev-fire using the number in []
root #eselect kernel set 1
If you don't intend to change anything
do not run "make menuconfig"

This is going to take a few hours
root #make menuconfig
root #make Image modules dtbs
root #make install
root #make modules_install
root #mkdir /boot/deploy
root #mkdir /boot/deploy/input
root #cp -v arch/riscv/boot/Image /boot/deploy/input/
root #cp -v arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dtb /boot/deploy/input/ 
Leave chroot
root #exit

Build HSS and u-boot

Create directories

user $cd ~
user $mkdir travail
user $mkdir travail/beaglev-fire
user $cd travail/beaglev-fire
user $tar xvf beaglev-fire-deploy-files.tar.gz
user $mkdir deploy/input
user $mkdir riscv-toolchain

Build u-boot

user $tar xvf mirror/x86_64-gcc-11.4.0-nolibc-riscv64-linux.tar.xz --strip-components=2 -C riscv-toolchain
FILE ~/beagleboard/beaglev-fire/get_u-boot.sh
#!/bin/bash

UBOOT_BRANCH="v2023.02-BeagleV-Fire"
UBOOT_REPO="https://openbeagle.org/beaglev-fire/beaglev-fire-u-boot.git"
echo "git clone -b ${UBOOT_BRANCH} ${UBOOT_REPO} ./u-boot-beaglev-fire --depth=${GIT_DEPTH}"
git clone -b ${UBOOT_BRANCH} ${UBOOT_REPO} ./u-boot-beaglev-fire --depth=${GIT_DEPTH}
FILE ~/beagleboard/beaglev-fire/build_uboot.sh
#!/bin/bash

CORES=$(getconf _NPROCESSORS_ONLN)
wdir=`pwd`
CC=${CC:-"${wdir}/riscv-toolchain/bin/riscv64-linux-"}
make -C u-boot-beaglev-fire ARCH=riscv CROSS_COMPILE=${CC} distclean
make -C u-boot-beaglev-fire ARCH=riscv CROSS_COMPILE=${CC} microchip_mpfs_icicle_defconfig
make -C u-boot-beaglev-fire ARCH=riscv CROSS_COMPILE=${CC} olddefconfig
make -C u-boot-beaglev-fire ARCH=riscv CROSS_COMPILE=${CC} savedefconfig
cp -v ./u-boot-beaglev-fire/defconfig ./u-boot/configs/microchip_mpfs_icicle_defconfig
echo "make -C u-boot-beaglev-fire -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} all"
make -C u-boot-beaglev-fire -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} all
cp -v ./u-boot-beaglev-fire/u-boot.bin ./deploy/
cp -v ./u-boot-beaglev-fire/u-boot.bin ./deploy/src.bin
user $chmod a+x get_u-boot.sh
user $chmod a+x build_uboot.sh
user $./get_u-boot.sh
user $./build_uboot.sh

Build HSS

FILE ~/travail/beaglev-fire/build_hss.sh
#!/bin/bash

git clone -b v2023.02 https://github.com/polarfire-soc/hart-software-services.git --depth=20
make -C hart-software-services/tools/hss-payload-generator/ clean
echo "make -C hart-software-services/tools/hss-payload-generator/"
make -C hart-software-services/tools/hss-payload-generator/

cp -v ./hart-software-services/tools/hss-payload-generator/hss-payload-generator ./deploy/
user $chmod a+x build_hss.sh
user $./build_hss.sh

Build payload

user $cd deploy
user $./hss-payload-generator -vv -c config.yaml ./input/payload.bin
user $cp /usr/src/riscv64/rootfs-beaglev-fire/boot/deploy/input/Image ./input
user $cp /usr/src/riscv64/rootfs-beaglev-fire/boot/deploy/input/mpfs-beaglev-fire.dtb ./input
user $cd ./input/
user $gzip -9 Image -c > Image.gz
user $cp ../beaglev_fire.its ./
user $mkimage -f beaglev_fire.its beaglev_fire.itb

cd ../../

Create SD Card image

user $sudo rm -f /usr/src/riscv64/rootfs-beaglev-fire/var/cache/distfiles/*
user $sudo cp -Rp /usr/src/riscv64/rootfs-beaglev-fire .root
user $echo "label Linux eMMC" > ./deploy/input/extlinux.conf
user $echo " kernel /Image" >> ./deploy/input/extlinux.conf
user $echo " fdtdir /" >> ./deploy/input/extlinux.conf
user $echo " fdt /mpfs-beaglev-fire.dtb" >> ./deploy/input/extlinux.conf
user $echo " #fdtoverlays /overlays/<file>.dtbo" >> ./deploy/input/extlinux.conf
user $sudo mkdir ./ignore/.root/boot/firmware
user $sudo cp ./deploy/input/beaglev_fire.itb ./ignore/.root/boot/firmware 
The command mkdosfs used by genimage doesn't exist. 
It must be a debian thing.
I created a link earlier to satisfy genimage "ln -s mkfs.vfat mkdosfs" on /usr/bin
user $dd if=/dev/zero of=./deploy/input/root.ext4 bs=1 count=0 seek=10400M
user $sudo mkfs.ext4 -F ./deploy/input/root.ext4 -d ./ignore/.root
user $cp boot.scr ./input
user $mkdir boot
user $mkdir root
user $genimage --config genimage.cfg 
 The files boot.vfat and sdcard.img are created on images
    134217728 28 jan 09:23 boot.vfat
  11040145408 28 jan 09:23 sdcard.img
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