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/bcm_ep_board.h

@@ -0,0 +1,97 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __BCM_EP_BOARD_H
+#define __BCM_EP_BOARD_H
+
+#include <asm/arch/configs.h>
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#define CONFIG_SYS_CACHELINE_SIZE	64
+
+/*
+ * Memory configuration
+ * (these must be defined elsewhere)
+ */
+#ifndef CONFIG_SYS_TEXT_BASE
+#error	CONFIG_SYS_TEXT_BASE must be defined!
+#endif
+#ifndef CONFIG_SYS_SDRAM_BASE
+#error	CONFIG_SYS_SDRAM_BASE must be defined!
+#endif
+#ifndef CONFIG_SYS_SDRAM_SIZE
+#error	CONFIG_SYS_SDRAM_SIZE must be defined!
+#endif
+
+#define CONFIG_NR_DRAM_BANKS		1
+
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+#define CONFIG_STACKSIZE		(256 * 1024)
+
+/* Some commands use this as the default load address */
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE
+
+/*
+ * This is the initial SP which is used only briefly for relocating the u-boot
+ * image to the top of SDRAM. After relocation u-boot moves the stack to the
+ * proper place.
+ */
+#define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_TEXT_BASE
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* Serial Info */
+#define CONFIG_SYS_NS16550_SERIAL
+
+#define CONFIG_BAUDRATE			115200
+
+#define CONFIG_ENV_SIZE			0x2000
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_SYS_NO_FLASH	/* Not using NAND/NOR unmanaged flash */
+
+/* console configuration */
+#define CONFIG_SYS_CBSIZE		1024	/* Console buffer size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+			sizeof(CONFIG_SYS_PROMPT) + 16)	/* Printbuffer size */
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+/*
+ * One partition type must be defined for part.c
+ * This is necessary for the fatls command to work on an SD card
+ * for example.
+ */
+#define CONFIG_DOS_PARTITION
+
+/* version string, parser, etc */
+#define CONFIG_VERSION_VARIABLE
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_COMMAND_HISTORY
+#define CONFIG_SYS_LONGHELP
+
+#define CONFIG_CRC32_VERIFY
+#define CONFIG_MX_CYCLIC
+
+/* Commands */
+#define CONFIG_FAT_WRITE
+
+/* SHA hashing */
+#define CONFIG_CMD_HASH
+#define CONFIG_HASH_VERIFY
+#define CONFIG_SHA1
+#define CONFIG_SHA256
+
+/* Enable Time Command */
+
+/* Misc utility code */
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_CRC32_VERIFY
+
+#endif /* __BCM_EP_BOARD_H */