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/lib/ccn504.S

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+/*
+ * (C) Copyright 2015 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Extracted from gic_64.S
+ */
+
+#include <config.h>
+#include <linux/linkage.h>
+#include <asm/macro.h>
+
+/*************************************************************************
+ *
+ * void ccn504_add_masters_to_dvm(CCI_MN_BASE, CCI_MN_RNF_NODEID_LIST,
+ * 				  CCI_MN_DVM_DOMAIN_CTL_SET);
+ *
+ * Add fully-coherent masters to DVM domain
+ *
+ *************************************************************************/
+ENTRY(ccn504_add_masters_to_dvm)
+	/*
+	 * x0: CCI_MN_BASE
+	 * x1: CCI_MN_RNF_NODEID_LIST
+	 * x2: CCI_MN_DVM_DOMAIN_CTL_SET
+	 */
+
+	/* Add fully-coherent masters to DVM domain */
+	ldr	x9, [x0, x1]
+	str	x9, [x0, x2]
+1:	ldr	x10, [x0, x2]
+	mvn	x11, x10
+	tst	x11, x10 /* Wait for domain addition to complete */
+	b.ne	1b
+
+	ret
+ENDPROC(ccn504_add_masters_to_dvm)
+
+/*************************************************************************
+ *
+ * void ccn504_set_qos(CCI_Sx_QOS_CONTROL_BASE, QoS Value);
+ *
+ * Initialize QoS settings for AR/AW override.
+ * Right now, this function sets the same QoS value for all RN-I ports
+ *
+ *************************************************************************/
+ENTRY(ccn504_set_qos)
+	/*
+	 * x0: CCI_Sx_QOS_CONTROL_BASE
+	 * x1: QoS Value
+	 */
+
+	/* Set all RN-I ports to QoS value denoted by x1 */
+	ldr	x9, [x0]
+	mov	x10, x1
+	orr	x9, x9, x10
+	str	x9, [x0]
+
+	ret
+ENDPROC(ccn504_set_qos)
+
+/*************************************************************************
+ *
+ * void ccn504_set_aux(CCI_AUX_CONTROL_BASE, Value);
+ *
+ * Initialize AUX control settings
+ *
+ *************************************************************************/
+ENTRY(ccn504_set_aux)
+	/*
+	 * x0: CCI_AUX_CONTROL_BASE
+	 * x1: Value
+	 */
+
+	ldr	x9, [x0]
+	mov	x10, x1
+	orr	x9, x9, x10
+	str	x9, [x0]
+
+	ret
+ENDPROC(ccn504_set_aux)
+