diff options
| -rw-r--r-- | README.md | 9 | ||||
| -rwxr-xr-x | scripts/uboot-script-gen | 51 |
2 files changed, 59 insertions, 1 deletions
@@ -36,6 +36,9 @@ DOM0_KERNEL="Image-dom0" DOM0_CMD="console=hvc0 earlycon=xen earlyprintk=xen clk_ignore_unused" DOM0_RAMDISK="dom0-ramdisk.cpio" +NUM_DT_OVERLAY=1 +DT_OVERLAY[0]="host_dt_overlay.dtbo" + NUM_DOMUS=2 DOMU_KERNEL[0]="zynqmp-dom1/Image-domU" DOMU_RAMDISK[0]="zynqmp-dom1/domU-ramdisk.cpio" @@ -70,6 +73,12 @@ Where: - DOM0_RAMDISK specifies the Dom0 ramdisk to use. Note that it should be a regular ramdisk cpio.gz file, not a u-boot binary. +- NUM_DT_OVERLAY specifies the number of host device tree overlays to be + added at boot time in u-boot + +- DT_OVERLAY[number] specifies the path to the hosts device tree overlays + to be added at boot time in u-boot + - NUM_DOMUS specifies how many Dom0-less DomUs to load - DOMU_KERNEL[number] specifies the DomU kernel to use. diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen index 2fad339..de7f00f 100755 --- a/scripts/uboot-script-gen +++ b/scripts/uboot-script-gen @@ -111,6 +111,16 @@ function device_tree_editing() then echo "fdt addr $device_tree_addr" >> $UBOOT_SOURCE echo "fdt resize 1024" >> $UBOOT_SOURCE + + if test $NUM_DT_OVERLAY && test $NUM_DT_OVERLAY -gt 0 + then + i=0 + while test $i -lt $NUM_DT_OVERLAY + do + echo "fdt apply ${dt_overlay_addr[$i]}" >> $UBOOT_SOURCE + i=$(( $i + 1 )) + done + fi fi dt_set "/chosen" "\#address-cells" "hex" "0x2" dt_set "/chosen" "\#size-cells" "hex" "0x2" @@ -515,6 +525,23 @@ do i=$(( $i + 1 )) done +if test $NUM_DT_OVERLAY && test $NUM_DT_OVERLAY -gt 0 +then + i=0 + while test $i -lt $NUM_DT_OVERLAY + do + if [ ! -f "${DT_OVERLAY[$i]}" ] + then + echo "Can not find ${DT_OVERLAY[$i]}, exiting" + cleanup_and_return_err + fi + check_file_type "${DT_OVERLAY[$i]}" "Device Tree Blob" + dt_overlay_addr[$i]=$memaddr + load_file "${DT_OVERLAY[$i]}" "host_fdto${i}" + i=$(( $i + 1 )) + done +fi + check_file_type $DEVICE_TREE "Device Tree Blob" device_tree_addr=$memaddr load_file $DEVICE_TREE "host_fdt" @@ -642,6 +669,28 @@ then fi i=$(( $i + 1 )) done + fdt_line="fdt = \"host_fdt\"" + if test $NUM_DT_OVERLAY && test $NUM_DT_OVERLAY -gt 0 + then + i=0 + while test $i -lt $NUM_DT_OVERLAY + do + cat >> "$its_file" <<- EOF + host_fdto${i} { + description = "host fdt overlay ${i}"; + data = /incbin/("${DT_OVERLAY[$i]}"); + type = "flat_dt"; + arch = "arm64"; + compression = "none"; + load = <${dt_overlay_addr[$i]}>; + $fit_algo + }; + EOF + fdt_line+=", \"host_fdto${i}\"" + i=$(( $i + 1 )) + done + fi + fdt_line+=";" # script for fit if test "$LOAD_CMD" = "imxtract" then @@ -666,7 +715,7 @@ then config { description = "Xen"; kernel = "host_xen"; - fdt = "host_fdt"; + $fdt_line loadables = $load_files; }; }; |