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/sandbox/include/asm/test.h

@@ -0,0 +1,82 @@
+/*
+ * Test-related constants for sandbox
+ *
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_TEST_H
+#define __ASM_TEST_H
+
+/* The sandbox driver always permits an I2C device with this address */
+#define SANDBOX_I2C_TEST_ADDR		0x59
+
+#define SANDBOX_PCI_VENDOR_ID		0x1234
+#define SANDBOX_PCI_DEVICE_ID		0x5678
+#define SANDBOX_PCI_CLASS_CODE		PCI_CLASS_CODE_COMM
+#define SANDBOX_PCI_CLASS_SUB_CODE	PCI_CLASS_SUB_CODE_COMM_SERIAL
+
+#define SANDBOX_CLK_RATE		32768
+
+/* System controller driver data */
+enum {
+	SYSCON0		= 32,
+	SYSCON1,
+
+	SYSCON_COUNT
+};
+
+/**
+ * sandbox_i2c_set_test_mode() - set test mode for running unit tests
+ *
+ * See sandbox_i2c_xfer() for the behaviour changes.
+ *
+ * @bus:	sandbox I2C bus to adjust
+ * @test_mode:	true to select test mode, false to run normally
+ */
+void sandbox_i2c_set_test_mode(struct udevice *bus, bool test_mode);
+
+enum sandbox_i2c_eeprom_test_mode {
+	SIE_TEST_MODE_NONE,
+	/* Permits read/write of only one byte per I2C transaction */
+	SIE_TEST_MODE_SINGLE_BYTE,
+};
+
+void sandbox_i2c_eeprom_set_test_mode(struct udevice *dev,
+				      enum sandbox_i2c_eeprom_test_mode mode);
+
+void sandbox_i2c_eeprom_set_offset_len(struct udevice *dev, int offset_len);
+
+/*
+ * sandbox_timer_add_offset()
+ *
+ * Allow tests to add to the time reported through lib/time.c functions
+ * offset: number of milliseconds to advance the system time
+ */
+void sandbox_timer_add_offset(unsigned long offset);
+
+/**
+ * sandbox_i2c_rtc_set_offset() - set the time offset from system/base time
+ *
+ * @dev:		RTC device to adjust
+ * @use_system_time:	true to use system time, false to use @base_time
+ * @offset:		RTC offset from current system/base time (-1 for no
+ *			change)
+ * @return old value of RTC offset
+ */
+long sandbox_i2c_rtc_set_offset(struct udevice *dev, bool use_system_time,
+				int offset);
+
+/**
+ * sandbox_i2c_rtc_get_set_base_time() - get and set the base time
+ *
+ * @dev:		RTC device to adjust
+ * @base_time:		New base system time (set to -1 for no change)
+ * @return old base time
+ */
+long sandbox_i2c_rtc_get_set_base_time(struct udevice *dev, long base_time);
+
+int sandbox_usb_keyb_add_string(struct udevice *dev, const char *str);
+
+#endif