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-snapdragon/reset.c

@@ -0,0 +1,40 @@
+/*
+ * Qualcomm APQ8016 reset controller driver
+ *
+ * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int msm_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+	phys_addr_t addr = dev_get_addr(dev);
+	if (!addr)
+		return -EINVAL;
+	writel(0, addr);
+	return -EINPROGRESS;
+}
+
+static struct sysreset_ops msm_sysreset_ops = {
+	.request	= msm_sysreset_request,
+};
+
+static const struct udevice_id msm_sysreset_ids[] = {
+	{ .compatible = "qcom,pshold" },
+	{ }
+};
+
+U_BOOT_DRIVER(msm_reset) = {
+	.name		= "msm_sysreset",
+	.id		= UCLASS_SYSRESET,
+	.of_match	= msm_sysreset_ids,
+	.ops		= &msm_sysreset_ops,
+};