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/configs/rk3288_common.h

@@ -0,0 +1,110 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_RK3288_COMMON_H
+#define __CONFIG_RK3288_COMMON_H
+
+#define CONFIG_SYS_CACHELINE_SIZE	64
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_ENV_SIZE			0x2000
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_MALLOC_LEN		(32 << 20)
+#define CONFIG_SYS_CBSIZE		1024
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_TIMER_RATE		(24 * 1000 * 1000)
+#define	CONFIG_SYS_TIMER_BASE		0xff810020 /* TIMER7 */
+#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
+
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_DRIVERS_MISC_SUPPORT
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SYS_NS16550_MEM32
+#define CONFIG_SPL_BOARD_INIT
+
+#define CONFIG_SYS_TEXT_BASE		0x00100000
+#define CONFIG_SYS_INIT_SP_ADDR		0x00100000
+#define CONFIG_SYS_LOAD_ADDR		0x00800800
+#define CONFIG_SPL_STACK		0xff718000
+#define CONFIG_SPL_TEXT_BASE		0xff704004
+
+#define CONFIG_ROCKCHIP_COMMON
+#define CONFIG_SPL_ROCKCHIP_COMMON
+
+#define CONFIG_SILENT_CONSOLE
+#ifndef CONFIG_SPL_BUILD
+# define CONFIG_SYS_CONSOLE_IS_IN_ENV
+# define CONFIG_CONSOLE_MUX
+#endif
+
+/* MMC/SD IP block */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SDHCI
+#define CONFIG_DWMMC
+#define CONFIG_BOUNCE_BUFFER
+
+#define CONFIG_DOS_PARTITION
+#define CONFIG_FAT_WRITE
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+
+/* RAW SD card / eMMC locations. */
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	256
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	(128 << 10)
+
+/* FAT sd card locations. */
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
+
+#define CONFIG_SPL_PINCTRL_SUPPORT
+#define CONFIG_SPL_RAM_SUPPORT
+#define CONFIG_SPL_DRIVERS_MISC_SUPPORT
+
+#define CONFIG_SYS_SDRAM_BASE		0
+#define CONFIG_NR_DRAM_BANKS		1
+#define SDRAM_BANK_SIZE			(2UL << 30)
+
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI
+#define CONFIG_SF_DEFAULT_SPEED 20000000
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+
+#define ENV_MEM_LAYOUT_SETTINGS \
+	"scriptaddr=0x00000000\0" \
+	"pxefile_addr_r=0x00100000\0" \
+	"fdt_addr_r=0x01f00000\0" \
+	"kernel_addr_r=0x02000000\0" \
+	"ramdisk_addr_r=0x04000000\0"
+
+/* First try to boot from SD (index 0), then eMMC (index 1 */
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(MMC, mmc, 1)
+
+#include <config_distro_bootcmd.h>
+
+/* Linux fails to load the fdt if it's loaded above 512M on a Rock 2 board, so
+ * limit the fdt reallocation to that */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"fdt_high=0x1fffffff\0" \
+	"initrd_high=0x1fffffff\0" \
+	ENV_MEM_LAYOUT_SETTINGS \
+	ROCKCHIP_DEVICE_SETTINGS \
+	BOOTENV
+#endif
+
+#endif