avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/arch/blackfin/include/asm/mach-bf533/gpio.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2008 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+
+#ifndef _MACH_GPIO_H_
+#define _MACH_GPIO_H_
+
+#define MAX_BLACKFIN_GPIOS 16
+
+#define GPIO_PF0	0
+#define GPIO_PF1	1
+#define GPIO_PF2	2
+#define GPIO_PF3	3
+#define GPIO_PF4	4
+#define GPIO_PF5	5
+#define GPIO_PF6	6
+#define GPIO_PF7	7
+#define GPIO_PF8	8
+#define GPIO_PF9	9
+#define GPIO_PF10	10
+#define GPIO_PF11	11
+#define GPIO_PF12	12
+#define GPIO_PF13	13
+#define GPIO_PF14	14
+#define GPIO_PF15	15
+
+#define PORT_F GPIO_PF0
+
+#endif /* _MACH_GPIO_H_ */