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/sparc/include/asm/config.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2015,
+ * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ASM_CONFIG_H_
+#define _ASM_CONFIG_H_
+
+#define CONFIG_SYS_GENERIC_GLOBAL_DATA
+#define CONFIG_NEEDS_MANUAL_RELOC
+
+#define CONFIG_LMB
+#define CONFIG_SYS_BOOT_RAMDISK_HIGH
+
+#define CONFIG_SYS_TIMER_RATE		1000000		/* 1MHz */
+#define CONFIG_SYS_TIMER_COUNTER	gd->arch.timer
+#define CONFIG_SYS_TIMER_COUNTS_DOWN
+
+#endif