41-uboot.sh
44 lines
| 1.3 KiB
| application/x-sh
|
BashLexer
/ bootstrap.d / 41-uboot.sh
Filip Pytloun
|
r56 | # | ||
| # Setup Uboot | ||||
| # | ||||
| . ./functions.sh | ||||
| # Install gcc/c++ build environment inside the chroot | ||||
| if [ "$ENABLE_UBOOT" = true ] || [ "$ENABLE_FBTURBO" = true ]; then | ||||
| chroot_exec apt-get install -q -y --force-yes --no-install-recommends linux-compiler-gcc-4.9-arm g++ make bc | ||||
| fi | ||||
| # Fetch and build U-Boot bootloader | ||||
| if [ "$ENABLE_UBOOT" = true ] ; then | ||||
| # Fetch U-Boot bootloader sources | ||||
| git -C $R/tmp clone git://git.denx.de/u-boot.git | ||||
| # Build and install U-Boot inside chroot | ||||
| chroot_exec make -C /tmp/u-boot/ rpi_2_defconfig all | ||||
| # Copy compiled bootloader binary and set config.txt to load it | ||||
| cp $R/tmp/u-boot/u-boot.bin $R/boot/firmware/ | ||||
| printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> $R/boot/firmware/config.txt | ||||
| # Set U-Boot command file | ||||
| cat <<EOM >$R/boot/firmware/uboot.mkimage | ||||
| # Tell Linux that it is booting on a Raspberry Pi2 | ||||
| setenv machid 0x00000c42 | ||||
| # Set the kernel boot command line | ||||
| setenv bootargs "earlyprintk ${CMDLINE}" | ||||
| # Save these changes to u-boot's environment | ||||
| saveenv | ||||
| # Load the existing Linux kernel into RAM | ||||
| fatload mmc 0:1 \${kernel_addr_r} kernel7.img | ||||
| # Boot the kernel we have just loaded | ||||
| bootz \${kernel_addr_r} | ||||
| EOM | ||||
| # Generate U-Boot image from command file | ||||
| chroot_exec mkimage -A arm -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi2 Boot Script" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr | ||||
| fi | ||||
