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/arm/mach-davinci/dm646x.c

@@ -0,0 +1,26 @@
+/*
+ * SoC-specific code for TMS320DM646x chips
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/hardware.h>
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_UART0);
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+void davinci_enable_emac(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_EMAC);
+}
+#endif
+
+#ifdef CONFIG_SYS_I2C_DAVINCI
+void davinci_enable_i2c(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_I2C);
+}
+#endif