Xilinx: ARM: Add script xromhdr.pl to generate Xilinx Boot ROM Header.

EXAMPLE:
./xromhdr.pl build/u-boot.bin NOR
./xromhdr.pl build/u-boot.bin QSPI

diff --git a/xromhdr.pl b/xromhdr.pl
new file mode 100755 (executable)
index 0000000..9ed3f73
--- /dev/null
+++ b/xromhdr.pl
@@ -0,0 +1,102 @@
+#!/usr/bin/perl
+
+use File::Basename;
+
+print "Xilinx Boot ROM header generator 1.0\n";
+if ($#ARGV != 1) {
+    print "Example usage:\n";
+    print "$0 u-boot.bin NOR\n";
+    print "$0 u-boot.bin QSPI\n";
+    exit (1);
+}
+
+$hdr_type = "NONE";
+if ($ARGV[1] eq "NOR") {
+    print "NOR header selected.\n";
+    $hdr_type = "nor";
+} elsif ($ARGV[1] eq "QSPI") {
+    print "QSPI header selected.\n";
+    $hdr_type = "qspi";
+} else {
+    print "ABORT: Must select NOR or QSPI header.\n";
+    exit (1);
+}
+
+$input_bin = $ARGV[0];
+$work_dir  = dirname($input_bin);
+$work_file = basename($input_bin);
+print "Wrap file: $input_bin\n";
+$output_bin = "$work_dir/$hdr_type-$work_file";
+print "Output file: $output_bin\n";
+
+open(OUTFILE, ">$output_bin");
+
+# RESET VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# UNDEFINED VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# SW VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# PREFETCH VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# DATA ABORT VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# unused VECTOR
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# IRQ
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+# FIQ 
+$a = pack('V', hex("0x00000000"));
+print OUTFILE $a;
+
+$HDR_20 = 0xAA995566;
+$HDR_24 = 0x584C4E58;
+$HDR_28 = 0x00000000;
+$HDR_2C = 0x544F4F42;
+$HDR_30 = 0x00000120;
+$HDR_34 = 0x00000000;
+$HDR_38 = 0x00000000;
+
+$HDR_3C = 0xDEADBEEF;
+if ($hdr_type eq "nor") {
+ $HDR_3C = 0xE40000A8;
+} 
+if ($hdr_type eq "qspi") {
+ $HDR_3C = 0xFC0000A8;
+}
+
+$HDR_40 = 0x00000000;
+$HDR_44 = 0x00000001;
+$HDR_CSUM = (~($HDR_20+$HDR_24+$HDR_28+$HDR_2C+$HDR_30+$HDR_34+$HDR_38+$HDR_3C+$HDR_40+$HDR_44));
+$HDR_CSUM = $HDR_CSUM & 0xFFFFFFFF;
+
+print OUTFILE pack('V', $HDR_20);
+print OUTFILE pack('V', $HDR_24);
+print OUTFILE pack('V', $HDR_28);
+print OUTFILE pack('V', $HDR_2C);
+print OUTFILE pack('V', $HDR_30);
+print OUTFILE pack('V', $HDR_34);
+print OUTFILE pack('V', $HDR_38);
+print OUTFILE pack('V', $HDR_3C);
+print OUTFILE pack('V', $HDR_40);
+print OUTFILE pack('V', $HDR_44);
+print OUTFILE pack('V', $HDR_CSUM);
+
+for ($i = 0; $i < 21; $i++) {
+    print OUTFILE pack('V', 0);
+}
+# A0 
+print OUTFILE pack('V', 0xFFFFFFFF);
+print OUTFILE pack('V', 0);
+
+close($OUTFILE);
+
+`cat $input_bin >> $output_bin`;
+