1 files changed, 86 insertions, 0 deletions
diff --git a/tools/mkimage/patches/100-dtc-binary.patch b/tools/mkimage/patches/100-dtc-binary.patch
new file mode 100644
index 0000000000..50341198b6
--- /dev/null
+++ b/tools/mkimage/patches/100-dtc-binary.patch
@@ -0,0 +1,86 @@
+--- a/doc/mkimage.1
++++ b/doc/mkimage.1
+@@ -82,6 +82,10 @@
+ .B Create FIT image:
+ 
+ .TP
++.BI "\-B [" "dtc bin" "]"
++Set path to the device tree compiler binary.
++
++.TP
+ .BI "\-D [" "dtc options" "]"
+ Provide special options to the device tree compiler that is used to
+ create the image.
+--- a/tools/fit_image.c
++++ b/tools/fit_image.c
+@@ -82,7 +82,8 @@
+ 
+ 	/* dtc -I dts -O dtb -p 500 datafile > tmpfile */
+ 	sprintf (cmd, "%s %s %s > %s",
+-		MKIMAGE_DTC, params->dtc, params->datafile, tmpfile);
++		params->dtc_bin, params->dtc_options, params->datafile,
++		tmpfile);
+ 	debug ("Trying to execute \"%s\"\n", cmd);
+ 	if (system (cmd) == -1) {
+ 		fprintf (stderr, "%s: system(%s) failed: %s\n",
+--- a/tools/mkimage.c
++++ b/tools/mkimage.c
+@@ -38,7 +38,8 @@
+ 	.type = IH_TYPE_KERNEL,
+ 	.comp = IH_COMP_GZIP,
+ 	.magic = IH_MAGIC,
+-	.dtc = MKIMAGE_DEFAULT_DTC_OPTIONS,
++	.dtc_bin = MKIMAGE_DTC,
++	.dtc_options = MKIMAGE_DEFAULT_DTC_OPTIONS,
+ 	.imagename = "",
+ 	.imagename2 = "",
+ };
+@@ -200,10 +201,15 @@
+ 						params.cmdname, *argv);
+ 				}
+ 				goto NXTARG;
++			case 'B':
++				if (--argc <= 0)
++					usage ();
++				params.dtc_bin = *++argv;
++				goto NXTARG;
+ 			case 'D':
+ 				if (--argc <= 0)
+ 					usage ();
+-				params.dtc = *++argv;
++				params.dtc_options = *++argv;
+ 				goto NXTARG;
+ 
+ 			case 'O':
+@@ -637,7 +643,9 @@
+ 			 "          -d ==> use image data from 'datafile'\n"
+ 			 "          -x ==> set XIP (execute in place)\n",
+ 		params.cmdname);
+-	fprintf (stderr, "       %s [-D dtc_options] -f fit-image.its fit-image\n",
++	fprintf (stderr, "       %s [-B dtc_bin] [-D dtc_options] -f fit-image.its fit-image\n",
++			 "           -B ==> set path to the dtc binary\n",
++			 "           -D ==> set options that will be passed to dtc\n",
+ 		params.cmdname);
+ 	fprintf (stderr, "       %s -V ==> print version information and exit\n",
+ 		params.cmdname);
+--- a/tools/mkimage.h
++++ b/tools/mkimage.h
+@@ -46,7 +46,7 @@
+ #define MKIMAGE_MAX_TMPFILE_LEN		256
+ #define MKIMAGE_DEFAULT_DTC_OPTIONS	"-I dts -O dtb -p 500"
+ #define MKIMAGE_MAX_DTC_CMDLINE_LEN	512
+-#define MKIMAGE_DTC			"dtc"   /* assume dtc is in $PATH */
++#define MKIMAGE_DTC			"dtc"
+ 
+ /*
+  * This structure defines all such variables those are initialized by
+@@ -66,7 +66,8 @@
+ 	int type;
+ 	int comp;
+ 	unsigned int magic;
+-	char *dtc;
++	char *dtc_bin;
++	char *dtc_options;
+ 	unsigned int addr;
+ 	unsigned int ep;
+ 	char *imagename;