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/rk3036_common.h

@@ -0,0 +1,91 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef __CONFIG_RK3036_COMMON_H
+#define __CONFIG_RK3036_COMMON_H
+
+#define CONFIG_SYS_CACHELINE_SIZE	32
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_ENV_IS_NOWHERE
+#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_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_TIMER_RATE		(24 * 1000 * 1000)
+#define CONFIG_SYS_TIMER_BASE		0x200440a0 /* TIMER5 */
+#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
+
+#define CONFIG_SPL_SERIAL_SUPPORT
+
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_MEM32
+
+#define CONFIG_SYS_TEXT_BASE		0x60000000
+#define CONFIG_SYS_INIT_SP_ADDR		0x60100000
+#define CONFIG_SYS_LOAD_ADDR		0x60800800
+#define CONFIG_SPL_STACK		0x10081fff
+#define CONFIG_SPL_TEXT_BASE		0x10081004
+
+#define CONFIG_ROCKCHIP_MAX_INIT_SIZE	(4 << 10)
+#define CONFIG_ROCKCHIP_CHIP_TAG	"RK30"
+
+#define CONFIG_ROCKCHIP_COMMON
+
+/* 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
+
+#define CONFIG_SYS_SDRAM_BASE		0x60000000
+#define CONFIG_NR_DRAM_BANKS		1
+#define SDRAM_BANK_SIZE			(512UL << 20UL)
+
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SF_DEFAULT_SPEED 20000000
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+
+#define ENV_MEM_LAYOUT_SETTINGS \
+	"scriptaddr=0x60000000\0" \
+	"pxefile_addr_r=0x60100000\0" \
+	"fdt_addr_r=0x61f00000\0" \
+	"kernel_addr_r=0x62000000\0" \
+	"ramdisk_addr_r=0x64000000\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 evb-rk3036 board,
+ * so limit the fdt reallocation to that */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"fdt_high=0x7fffffff\0" \
+	ENV_MEM_LAYOUT_SETTINGS \
+	BOOTENV
+#endif
+
+#endif