+++ /dev/null
-From 6836519a638a0c30ef3d2137c248a1a9f1befbc4 Mon Sep 17 00:00:00 2001
-From: Yangbo Lu <yangbo.lu@nxp.com>
-Date: Tue, 4 Jul 2017 20:25:40 +0800
-Subject: [PATCH] makefile: generate byte_swap rcw for ls1046ardb
-
-Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
----
- Makefile | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/Makefile b/Makefile
-index fb55c8b..ab1b573 100644
---- a/Makefile
-+++ b/Makefile
-@@ -11,6 +11,8 @@ all install clean:
- @for board in $(BOARDS); do \
- $(MAKE) -C $$board $@ DESTDIR=$(DESTDIR)/$$board; \
- done
-+ tclsh ./tools/byte_swap.tcl ls1046ardb/RR_FFSSPPPH_1133_5559/rcw_1800_qspiboot.bin \
-+ ls1046ardb/RR_FFSSPPPH_1133_5559/rcw_1800_qspiboot_swap.bin 8
-
- release: $(foreach board,$(BOARDS),rcw-$(board)-$(VER).tar.gz)
-
---
-2.7.4
-
--- /dev/null
+From ebded197f9c12168d61973043fd9ebd5d49528a8 Mon Sep 17 00:00:00 2001
+From: Yangbo Lu <yangbo.lu@nxp.com>
+Date: Mon, 25 Dec 2017 14:11:02 +0800
+Subject: [PATCH] rcw: add a python script for byte swapping
+
+Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
+---
+ Makefile | 2 ++
+ byte_swap.py | 32 ++++++++++++++++++++++++++++++++
+ 2 files changed, 34 insertions(+)
+ create mode 100755 byte_swap.py
+
+diff --git a/Makefile b/Makefile
+index fb55c8b..27e3ba2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -11,6 +11,8 @@ all install clean:
+ @for board in $(BOARDS); do \
+ $(MAKE) -C $$board $@ DESTDIR=$(DESTDIR)/$$board; \
+ done
++ chmod 755 ./byte_swap.py; \
++ ./byte_swap.py ls1046ardb/RR_FFSSPPPH_1133_5559/rcw_1800_qspiboot.bin 8
+
+ release: $(foreach board,$(BOARDS),rcw-$(board)-$(VER).tar.gz)
+
+diff --git a/byte_swap.py b/byte_swap.py
+new file mode 100755
+index 0000000..7ee4129
+--- /dev/null
++++ b/byte_swap.py
+@@ -0,0 +1,32 @@
++#!/usr/bin/env python
++"""
++Swap the 4/8 bytes endian except for PBI CRC
++2016-10-9: Initial version
++
++Usage:
++ ./byte_swap.py <file_name> <byte>
++"""
++import sys
++
++try:
++ file_name = sys.argv[1]
++ byte = int(sys.argv[2])
++except:
++ print("Usage: ./byte_swap.py <file_name> <byte>")
++ print("E.g.: ./byte_swap.py rcw_1600.bin 8\n")
++ exit
++
++with open(file_name,'rb') as file:
++ tmp = file.read()
++file.close()
++
++with open(file_name + '.swap','wb') as file:
++ for i in range(0, len(tmp) - 1, byte):
++ if(tmp[i:i+4].encode('hex')) == "08610040":
++ #print("PBI CRC command")
++ file.write(tmp[i:i+8])
++ break
++ file.write(tmp[i:i+byte][::-1])
++file.close()
++
++print("Swapped file: " + file_name + '.swap')
+--
+2.7.4
+