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/freescale/common/cadmus.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CADMUS_H_
+#define __CADMUS_H_
+
+
+/*
+ * CADMUS Board System Register interface.
+ */
+
+/*
+ * Returns board version register.
+ */
+extern unsigned int get_board_version(void);
+
+/*
+ * Returns either 33000000 or 66000000 as the SYS_CLK_FREQ.
+ */
+extern unsigned long get_clock_freq(void);
+
+
+/*
+ * Returns 1 - 4, as found in the USER CSR[6:7] bits.
+ */
+extern unsigned int get_pci_slot(void);
+
+
+/*
+ * Returns PCI DUAL as found in CM_PCI[3].
+ */
+extern unsigned int get_pci_dual(void);
+
+
+#endif	/* __CADMUS_H_ */