meta-virtualization/dynamic-layers/raspberrypi/recipes-bsp/rpi-u-boot-scr/files/boot.cmd.xen.in
Christopher Clark 681591b5b8 xen, raspberrypi: bugfix early boot messages: use earlycon=xenboot
Replaces the prior use of earlyprintk which is an x86-specific option.

Signed-off-by: Christopher Clark <christopher.w.clark@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
2020-08-11 15:58:37 -04:00

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# Set the fdt address to what came from the GPU, so we can edit it
fdt addr ${fdt_addr}
# Pull the bootargs that the GPU has edited
fdt get value bootargs /chosen bootargs
# Set module load addresses
setenv xen_loadaddr "0x00200000"
setenv kernel_loadaddr "0x00400000"
# Add some space to the fdt so we can edit it
fdt resize 0x1000
echo Add boot arguments for Xen
fdt set /chosen xen,xen-bootargs "console=dtuart dtuart=/soc/serial@7e215040 dom0_mem='@@RPI_DOM0_MEM@@' @@RPI_DEBUG_XEN_ARGS@@"
echo Add boot arguments for dom0
setenv dom0_bootargs "console=hvc0 earlycon=xenboot debug root=/dev/mmcblk0p2 rootwait"
fdt set /chosen xen,dom0-bootargs \"${dom0_bootargs}\"
echo Add a dom0 node to chosen to put Linux boot information in
fdt mknode /chosen dom0
echo Set this for the Linux boot command
fdt set /chosen/dom0 compatible "xen,linux-zimage", "xen,multiboot-module"
# Tell Xen where PCI is
fdt set /scb/pcie@7d500000 device_type "pci"
echo Delay to allow the MMC card to be ready
sleep 1
echo Load Xen into memory
fatload mmc 0:1 ${xen_loadaddr} xen
echo Load Linux kernel into memory
fatload mmc 0:1 ${kernel_loadaddr} Image
setenv kernel_size 0x$filesize
echo Set the address and size for the Linux kernel so Xen can pick it up
fdt set /chosen/dom0 reg <${kernel_loadaddr} ${kernel_size}>
# Define the size and address cells
fdt set /chosen '#size-cells' <1>
fdt set /chosen '#address-cells' <1>
# Display the chosen fdt section - can be important for debugging
fdt print /chosen
echo Boot Xen
booti ${xen_loadaddr} - ${fdt_addr}