Différences

Ci-dessous, les différences entre deux révisions de la page.

--- francois:beaglebone_black [2017/09/17 08:47] – [Flasher U-Boot sur une carte SD] francois
+++ francois:beaglebone_black [2017/09/17 14:44] (Version actuelle) – francois
@@ Ligne 1: / Ligne 1: @@
 ====== Développer avec la carte Beaglebone black ======
-===== Compiler U-Boot =====
+===== Le cross-compiler =====
 <code>
-sudo apt install gcc-arm-linux-gnueabi
+wget -c https://releases.linaro.org/components/toolchain/binaries/6.3-2017.05/arm-linux-gnueabihf/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz
-git clone git://git.denx.de/u-boot.git && cd u-boot
+tar xf gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf.tar.xz
-make am335x_boneblack_defconfig
+export CC=`pwd`/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
-ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make
+</code>
+===== Compiler U-Boot =====
+<code>
+git clone https://github.com/u-boot/u-boot
+cd u-boot/
+git checkout v2017.09 -b tmp
+wget -c https://rcn-ee.com/repos/git/u-boot-patches/v2017.09/0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
+wget -c https://rcn-ee.com/repos/git/u-boot-patches/v2017.09/0002-U-Boot-BeagleBone-Cape-Manager.patch
+patch -p1 < 0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch
+patch -p1 < 0002-U-Boot-BeagleBone-Cape-Manager.patch
+make ARCH=arm CROSS_COMPILE=${CC} distclean
+make ARCH=arm CROSS_COMPILE=${CC} am335x_evm_defconfig
+make ARCH=arm CROSS_COMPILE=${CC}
 </code>
@@ Ligne 18: / Ligne 34: @@
 sudo dd if=./u-boot/MLO of=${DISK} count=1 seek=1 bs=128k
 sudo dd if=./u-boot/u-boot.img of=${DISK} count=2 seek=1 bs=384k
+</code>
+Creation of the partition next to U-Boot
+<code>
 sudo sfdisk ${DISK} <<-__EOF__
 M,,L,*
 __EOF__
 </code>
+For mkfs.ext4 >= 1.43
+  sudo mkfs.ext4 -L rootfs -O ^metadata_csum,^64bit ${DISK}p1
+===== Compiler le noyau =====
+<code>
+git clone https://github.com/RobertCNelson/bb-kernel
+cd bb-kernel/
+git checkout origin/am33x-v4.9 -b tmp
+./build_kernel.sh
+export kernel_version=4.9.50-bone7
+</code>
+Replace the kernel version by the one returned by the ''build_kernel.sh'' script
+===== Ecrire le rootfs =====
+<code>
+mkdir rootfs
+sudo mount /dev/mmcblk0p1 rootfs
+wget -c https://rcn-ee.com/rootfs/eewiki/minfs/debian-9.1-minimal-armhf-2017-08-08.tar.xz
+tar xfvp debian-9.1-minimal-armhf-2017-08-08.tar.xz
+sudo tar xfvp ./*-*-*-armhf-*/armhf-rootfs-*.tar -C rootfs/
+sudo chown root.root rootfs
+sudo chmod 755 rootfs/
+sudo sh -c "echo 'uname_r=${kernel_version}' >> rootfs/boot/uEnv.txt"
+sudo cp -v ./bb-kernel/deploy/${kernel_version}.zImage rootfs/boot/vmlinuz-${kernel_version}
+sudo mkdir -p rootfs/boot/dtbs/${kernel_version}/
+sudo tar xfv ./bb-kernel/deploy/${kernel_version}-dtbs.tar.gz -C rootfs/boot/dtbs/${kernel_version}/
+sudo tar xfv ./bb-kernel/deploy/${kernel_version}-modules.tar.gz -C rootfs/
+sudo sh -c "echo '/dev/mmcblk0p1  /  auto  errors=remount-ro  0  1' >> rootfs/etc/fstab"
+</code>
+===== Configurer le réseau =====
+Ajouter à ''/etc/network/interfaces''
+<code>
+auto lo
+iface lo inet loopback
+auto eth0
+iface eth0 inet dhcp
+</code>
+==== USB Gadget ====
+Provides http access to beaglebone black over usb.
+Install udhcpd
+  sudo apt-get install udhcpd
+Edit: /etc/network/interfaces and add
+<code>
+# Ethernet/RNDIS gadget (g_ether)
+# ... or on host side, usbnet and random hwaddr
+iface usb0 inet static
+        address 192.168.7.2
+        netmask 255.255.255.252
+        network 192.168.7.0
+        gateway 192.168.7.1
+</code>
+  wget -c https://raw.github.com/RobertCNelson/tools/master/scripts/beaglebone-black-g-ether-load.sh
+  chmod +x beaglebone-black-g-ether-load.sh
+  sudo ./beaglebone-black-g-ether-load.sh
+===== eMMC =====
+Script to copy your microSD card to eMMC: (this will need these packages installed: initramfs-tools dosfstools rsync)
+  wget https://raw.githubusercontent.com/RobertCNelson/boot-scripts/master/tools/eMMC/bbb-eMMC-flasher-eewiki-ext4.sh
+  chmod +x bbb-eMMC-flasher-eewiki-ext4.sh
+  sudo /bin/bash ./bbb-eMMC-flasher-eewiki-ext4.sh
 ===== Liens utiles =====