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/board/LaCie/common/cpld-gpio-bus.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2013 Simon Guinot <simon.guinot@sequanux.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _LACIE_CPLD_GPI0_BUS_H
+#define _LACIE_CPLD_GPI0_BUS_H
+
+struct cpld_gpio_bus {
+	unsigned *addr;
+	unsigned num_addr;
+	unsigned *data;
+	unsigned num_data;
+	unsigned enable;
+};
+
+void cpld_gpio_bus_write(struct cpld_gpio_bus *cpld_gpio_bus,
+			 unsigned addr, unsigned value);
+
+#endif /* _LACIE_CPLD_GPI0_BUS_H */