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/include/remoteproc.h

@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2015
+ * Texas Instruments Incorporated - http://www.ti.com/
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _RPROC_H_
+#define _RPROC_H_
+
+/*
+ * Note: The platform data support is not meant for use with newer
+ * platforms. This is meant only for legacy devices. This mode of
+ * initialization *will* be eventually removed once all necessary
+ * platforms have moved to dm/fdt.
+ */
+#include <dm/platdata.h>	/* For platform data support - non dt world */
+
+/**
+ * enum rproc_mem_type - What type of memory model does the rproc use
+ * @RPROC_INTERNAL_MEMORY_MAPPED: Remote processor uses own memory and is memory
+ *	mapped to the host processor over an address range.
+ *
+ * Please note that this is an enumeration of memory model of different types
+ * of remote processors. Few of the remote processors do have own internal
+ * memories, while others use external memory for instruction and data.
+ */
+enum rproc_mem_type {
+	RPROC_INTERNAL_MEMORY_MAPPED	= 0,
+};
+
+/**
+ * struct dm_rproc_uclass_pdata - platform data for a CPU
+ * @name: Platform-specific way of naming the Remote proc
+ * @mem_type: one of 'enum rproc_mem_type'
+ * @driver_plat_data: driver specific platform data that may be needed.
+ *
+ * This can be accessed with dev_get_uclass_platdata() for any UCLASS_REMOTEPROC
+ * device.
+ *
+ */
+struct dm_rproc_uclass_pdata {
+	const char *name;
+	enum rproc_mem_type mem_type;
+	void *driver_plat_data;
+};
+
+/**
+ * struct dm_rproc_ops - Operations that are provided by remote proc driver
+ * @init:	Initialize the remoteproc device invoked after probe (optional)
+ *		Return 0 on success, -ve error on fail
+ * @load:	Load the remoteproc device using data provided(mandatory)
+ *		This takes the following additional arguments.
+ *			addr- Address of the binary image to be loaded
+ *			size- Size of the binary image to be loaded
+ *		Return 0 on success, -ve error on fail
+ * @start:	Start the remoteproc device (mandatory)
+ *		Return 0 on success, -ve error on fail
+ * @stop:	Stop the remoteproc device (optional)
+ *		Return 0 on success, -ve error on fail
+ * @reset:	Reset the remote proc device (optional)
+ *		Return 0 on success, -ve error on fail
+ * @is_running:	Check if the remote processor is running(optional)
+ *		Return 0 on success, 1 if not running, -ve on others errors
+ * @ping:	Ping the remote device for basic communication check(optional)
+ *		Return 0 on success, 1 if not responding, -ve on other errors
+ */
+struct dm_rproc_ops {
+	int (*init)(struct udevice *dev);
+	int (*load)(struct udevice *dev, ulong addr, ulong size);
+	int (*start)(struct udevice *dev);
+	int (*stop)(struct udevice *dev);
+	int (*reset)(struct udevice *dev);
+	int (*is_running)(struct udevice *dev);
+	int (*ping)(struct udevice *dev);
+};
+
+/* Accessor */
+#define rproc_get_ops(dev) ((struct dm_rproc_ops *)(dev)->driver->ops)
+
+#ifdef CONFIG_REMOTEPROC
+/**
+ * rproc_init() - Initialize all bound remote proc devices
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_init(void);
+
+/**
+ * rproc_is_initialized() - check to see if remoteproc devices are initialized
+ *
+ * Return: 0 if all devices are initialized, else appropriate error value.
+ */
+bool rproc_is_initialized(void);
+
+/**
+ * rproc_load() - load binary to a remote processor
+ * @id:		id of the remote processor
+ * @addr:	address in memory where the binary image is located
+ * @size:	size of the binary image
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_load(int id, ulong addr, ulong size);
+
+/**
+ * rproc_start() - Start a remote processor
+ * @id:		id of the remote processor
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_start(int id);
+
+/**
+ * rproc_stop() - Stop a remote processor
+ * @id:		id of the remote processor
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_stop(int id);
+
+/**
+ * rproc_reset() - reset a remote processor
+ * @id:		id of the remote processor
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_reset(int id);
+
+/**
+ * rproc_ping() - ping a remote processor to check if it can communicate
+ * @id:		id of the remote processor
+ *
+ * NOTE: this might need communication path available, which is not implemented
+ * as part of remoteproc framework - hook on to appropriate bus architecture to
+ * do the same
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_ping(int id);
+
+/**
+ * rproc_is_running() - check to see if remote processor is running
+ * @id:		id of the remote processor
+ *
+ * NOTE: this may not involve actual communication capability of the remote
+ * processor, but just ensures that it is out of reset and executing code.
+ *
+ * Return: 0 if all ok, else appropriate error value.
+ */
+int rproc_is_running(int id);
+#else
+static inline int rproc_init(void) { return -ENOSYS; }
+static inline bool rproc_is_initialized(void) { return false; }
+static inline int rproc_load(int id, ulong addr, ulong size) { return -ENOSYS; }
+static inline int rproc_start(int id) { return -ENOSYS; }
+static inline int rproc_stop(int id) { return -ENOSYS; }
+static inline int rproc_reset(int id) { return -ENOSYS; }
+static inline int rproc_ping(int id) { return -ENOSYS; }
+static inline int rproc_is_running(int id) { return -ENOSYS; }
+#endif
+
+#endif	/* _RPROC_H_ */