rpi-u-boot-scr: Add recipe to create u-boot boot script

Upstream u-boot searches the boot partition for a script named 'boot.scr'. If
this file exists it is executed as a sequence of u-boot commands in order to
boot the system. This script must be compiled using the mkimage command to
ensure that it is understood by u-boot.

Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
This commit is contained in:
Paul Barker 2016-10-22 20:49:55 +01:00 committed by Andrei Gherzan
parent 1f24992a3c
commit 56047ad7db
5 changed files with 45 additions and 0 deletions

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setenv fdtfile bcm2708-rpi-b.dtb
setenv bootargs 'earlyprintk console=tty0 console=ttyAMA0 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait noinitrd'
mmc dev 0
fatload mmc 0:1 ${kernel_addr_r} uImage
fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}
bootm ${kernel_addr_r} - ${fdt_addr_r}

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setenv fdtfile bcm2708-rpi-b.dtb
setenv bootargs 'earlyprintk console=tty0 console=ttyAMA0 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait noinitrd'
mmc dev 0
fatload mmc 0:1 ${kernel_addr_r} uImage
fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}
bootm ${kernel_addr_r} - ${fdt_addr_r}

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setenv fdtfile bcm2709-rpi-2-b.dtb
setenv bootargs 'earlyprintk console=tty0 console=ttyAMA0 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait noinitrd'
mmc dev 0
fatload mmc 0:1 ${kernel_addr_r} uImage
fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}
bootm ${kernel_addr_r} - ${fdt_addr_r}

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setenv fdtfile bcm2710-rpi-3-b.dtb
setenv bootargs 'earlyprintk console=tty0 console=ttyAMA0 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait noinitrd'
mmc dev 0
fatload mmc 0:1 ${kernel_addr_r} uImage
fatload mmc 0:1 ${fdt_addr_r} ${fdtfile}
bootm ${kernel_addr_r} - ${fdt_addr_r}

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SUMMARY = "U-boot boot scripts for Raspberry Pi"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
COMPATIBLE_MACHINE = "rpi"
DEPENDS = "u-boot-mkimage-native"
SRC_URI = "file://boot.cmd"
do_compile() {
mkimage -A arm -T script -C none -n "Boot script" -d "${WORKDIR}/boot.cmd" boot.scr
}
inherit deploy
do_deploy() {
install -d ${DEPLOYDIR}
install -m 0644 boot.scr ${DEPLOYDIR}
}
addtask do_deploy after do_compile before do_build