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/include/asm/armv7m.h

@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2010,2011
+ * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
+ *
+ * (C) Copyright 2015
+ * Kamil Lulko, <kamil.lulko@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef ARMV7M_H
+#define ARMV7M_H
+
+#if defined(__ASSEMBLY__)
+.syntax unified
+.thumb
+#endif
+
+#define V7M_SCB_BASE		0xE000ED00
+#define V7M_MPU_BASE		0xE000ED90
+
+#define V7M_SCB_VTOR		0x08
+
+#if !defined(__ASSEMBLY__)
+struct v7m_scb {
+	uint32_t cpuid;		/* CPUID Base Register */
+	uint32_t icsr;		/* Interrupt Control and State Register */
+	uint32_t vtor;		/* Vector Table Offset Register */
+	uint32_t aircr;		/* App Interrupt and Reset Control Register */
+};
+#define V7M_SCB				((struct v7m_scb *)V7M_SCB_BASE)
+
+#define V7M_AIRCR_VECTKEY		0x5fa
+#define V7M_AIRCR_VECTKEY_SHIFT		16
+#define V7M_AIRCR_ENDIAN		(1 << 15)
+#define V7M_AIRCR_PRIGROUP_SHIFT	8
+#define V7M_AIRCR_PRIGROUP_MSK		(0x7 << V7M_AIRCR_PRIGROUP_SHIFT)
+#define V7M_AIRCR_SYSRESET		(1 << 2)
+
+#define V7M_ICSR_VECTACT_MSK		0xFF
+
+struct v7m_mpu {
+	uint32_t type;		/* Type Register */
+	uint32_t ctrl;		/* Control Register */
+	uint32_t rnr;		/* Region Number Register */
+	uint32_t rbar;		/* Region Base Address Register */
+	uint32_t rasr;		/* Region Attribute and Size Register */
+};
+#define V7M_MPU				((struct v7m_mpu *)V7M_MPU_BASE)
+
+#define V7M_MPU_CTRL_ENABLE		(1 << 0)
+#define V7M_MPU_CTRL_HFNMIENA		(1 << 1)
+
+#define V7M_MPU_RASR_EN			(1 << 0)
+#define V7M_MPU_RASR_SIZE_BITS		1
+#define V7M_MPU_RASR_SIZE_4GB		(31 << V7M_MPU_RASR_SIZE_BITS)
+#define V7M_MPU_RASR_AP_RW_RW		(3 << 24)
+
+#endif /* !defined(__ASSEMBLY__) */
+#endif /* ARMV7M_H */