1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/gen-dtb-s b/scripts/gen-dtb-s
new file mode 100755
index 0000000000..434612f362
--- /dev/null
+++ b/scripts/gen-dtb-s
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+name=$1
+dtb=$2
+imd=$3
+
+echo "#include <asm-generic/barebox.lds.h>"
+
+le32() {
+	printf ".byte 0x%02x, 0x%02x, 0x%02x, 0x%02x\n" \
+		$(($1 & 0xff))				\
+		$((($1 >> 8) & 0xff))			\
+		$((($1 >> 16) & 0xff))			\
+		$((($1 >> 24) & 0xff))
+}
+
+FDTGET=scripts/dtc/fdtget
+
+if [ "$imd" = "y" ]; then
+	echo ".section .barebox_imd_0.${name},\"a\""
+	echo ".global __imd_${name}_start"
+	echo "__imd_${name}_start:"
+
+	compat=$($FDTGET -d notfound -t bi "$dtb" / compatible | sed "s^ ^,^g")
+	if [ "$compat" != "notfound" ]; then
+
+		compatlen=$($FDTGET -t s "$dtb" / compatible | wc -c)
+		le32 0x640c8005
+		le32 $compatlen
+		echo ".byte " $compat
+		echo ".balign 4"
+	fi
+
+	model=$($FDTGET -d notfound -t bi "$dtb" / model | sed "s^ ^,^g")
+
+	if [ "$model" != "notfound" ]; then
+		modellen=$($FDTGET -t s "$dtb" / model | wc -c)
+		le32 0x640c8004
+		le32 $compatlen
+		echo ".byte " $model
+		echo ".balign 4"
+	fi
+fi
+
+echo ".section .dtb.rodata.${name},\"a\""
+echo ".balign STRUCT_ALIGNMENT"
+echo ".global __dtb_${name}_start"
+echo "__dtb_${name}_start:"
+echo ".incbin \"$dtb\""
+echo "__dtb_${name}_end:"
+echo ".global __dtb_${name}_end"
+echo ".balign STRUCT_ALIGNMENT"
+
+if [ "$imd" = "y" ]; then
+	echo ".word __imd_${name}_start"
+fi