Add debug DBG_FDT_PRINT_CHOSEN config file option which adds
print of DT "chosen" node at the end of generated U-boot script.
This is useful for debug and development purposes.
Example:
...
setenv fdt_high 0xffffffffffffffff
fdt print /chosen
booti 0x43000000 - 0x43200000
Signed-off-by: Grygorii Strashko <[email protected]>
---
README.md | 8 ++++++++
scripts/uboot-script-gen | 5 +++++
2 files changed, 13 insertions(+)
diff --git a/README.md b/README.md
index 4ba430ce74c5..5b75018ea956 100644
--- a/README.md
+++ b/README.md
@@ -396,3 +396,11 @@ disk\_image supports these additional parameters on the
config file:
disk_image also generates on the fly a xl config file for each domU and
adds them to the dom0 rootfs partition under /etc/xen. It makes it
easier to start those domUs from dom0.
+
+
+## Debug
+
+This section defines config file debug options
+
+- DBG_FDT_PRINT_CHOSEN specifies that U-Boot script command to print DT
"chosen"
+ node will be added to the boot script.
diff --git a/scripts/uboot-script-gen b/scripts/uboot-script-gen
index 0607542b1872..74e3b076910c 100755
--- a/scripts/uboot-script-gen
+++ b/scripts/uboot-script-gen
@@ -1357,6 +1357,11 @@ device_tree_editing $device_tree_addr
# disable device tree reloation
echo "setenv fdt_high 0xffffffffffffffff" >> $UBOOT_SOURCE
+if test "$DBG_FDT_PRINT_CHOSEN"
+then
+ echo "fdt print /chosen" >> $UBOOT_SOURCE
+fi
+
# append extra u-boot commands (fixups) to script before boot command
if test "$APPEND_EXTRA_CMDS"
then
--
2.34.1
