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/keyboard.h

@@ -0,0 +1,106 @@
+#ifndef __KEYBOARD_H
+#define __KEYBOARD_H
+
+#ifdef CONFIG_DM_KEYBOARD
+#include <input.h>
+#include <stdio_dev.h>
+
+/**
+ * struct keyboard_priv - information about a keyboard, for the uclass
+ *
+ * @sdev:	stdio device
+ * @input:	input configuration (the driver may use this if desired)
+ */
+struct keyboard_priv {
+	struct stdio_dev sdev;
+
+	/*
+	 * This is set up by the uclass but will only be used if the driver
+	 * sets input.dev to its device pointer (it is initially NULL).
+	 */
+	struct input_config input;
+};
+
+/**
+ * struct keyboard_ops - keyboard device operations
+ */
+struct keyboard_ops {
+	/**
+	 * start() - enable the keyboard ready for use
+	 *
+	 * @dev:	Device to enable
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*start)(struct udevice *dev);
+
+	/**
+	 * stop() - disable the keyboard when no-longer needed
+	 *
+	 * @dev:	Device to disable
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*stop)(struct udevice *dev);
+
+	/**
+	 * tstc() - check if a key is available
+	 *
+	 * @dev:	Device to check
+	 * @return 0 if no key is available, 1 if a key is available, -ve on
+	 *	   error
+	 */
+	int (*tstc)(struct udevice *dev);
+
+	/**
+	 * getc() - get a key
+	 *
+	 * TODO(sjg@chromium.org): At present this method may wait if it calls
+	 * input_getc().
+	 *
+	 * @dev:	Device to read from
+	 * @return -EAGAIN if no key is available, otherwise key value read
+	 *	   (as ASCII).
+	 */
+	int (*getc)(struct udevice *dev);
+
+	/**
+	 * update_leds() - update keyboard LEDs
+	 *
+	 * This is called when the LEDs have changed and need to be updated.
+	 * For example, if 'caps lock' is pressed then this method will be
+	 * called with the new LED value.
+	 *
+	 * @dev:	Device to update
+	 * @leds:	New LED mask (see INPUT_LED_... in input.h)
+	 */
+	int (*update_leds)(struct udevice *dev, int leds);
+};
+
+#define keyboard_get_ops(dev)	((struct keyboard_ops *)(dev)->driver->ops)
+
+#else
+
+#ifdef CONFIG_PS2MULT
+#include <ps2mult.h>
+#endif
+
+#if !defined(kbd_request_region) || \
+    !defined(kbd_request_irq) || \
+    !defined(kbd_read_input) || \
+    !defined(kbd_read_status) || \
+    !defined(kbd_write_output) || \
+    !defined(kbd_write_command)
+#error PS/2 low level routines not defined
+#endif
+
+extern int kbd_init (void);
+extern void handle_scancode(unsigned char scancode);
+extern int kbd_init_hw(void);
+extern void pckbd_leds(unsigned char leds);
+#endif /* !CONFIG_DM_KEYBOARD */
+
+#if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || \
+		defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
+int ps2ser_check(void);
+#endif
+
+#endif /* __KEYBOARD_H */