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/board/spear/spear300/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_SPEAR300
+
+config SYS_BOARD
+	default "spear300"
+
+config SYS_VENDOR
+	default "spear"
+
+config SYS_SOC
+	default "spear"
+
+config SYS_CONFIG_NAME
+	default "spear3xx_evb"
+
+endif

u-boot/board/spear/spear300/MAINTAINERS

@@ -0,0 +1,13 @@
+SPEAR300 BOARD
+M:	Vipin Kumar <vipin.kumar@st.com>
+S:	Maintained
+F:	board/spear/spear300/
+F:	include/configs/spear3xx_evb.h
+F:	configs/spear300_defconfig
+
+SPEAR300_NAND BOARD
+#M:	-
+S:	Maintained
+F:	configs/spear300_nand_defconfig
+F:	configs/spear300_usbtty_defconfig
+F:	configs/spear300_usbtty_nand_defconfig

u-boot/board/spear/spear300/Makefile

@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= spear300.o

u-boot/board/spear/spear300/spear300.c

@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <nand.h>
+#include <asm/io.h>
+#include <linux/mtd/fsmc_nand.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spr_defs.h>
+#include <asm/arch/spr_misc.h>
+
+static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
+
+int board_init(void)
+{
+	return spear_board_init(MACH_TYPE_SPEAR300);
+}
+
+/*
+ * board_nand_init - Board specific NAND initialization
+ * @nand:	mtd private chip structure
+ *
+ * Called by nand_init_chip to initialize the board specific functions
+ */
+
+void board_nand_init()
+{
+	struct misc_regs *const misc_regs_p =
+	    (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+	struct nand_chip *nand = &nand_chip[0];
+
+#if defined(CONFIG_NAND_FSMC)
+	if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
+	     MISC_SOCCFG30) ||
+	    ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
+	     MISC_SOCCFG31)) {
+
+		fsmc_nand_init(nand);
+	}
+#endif
+	return;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int ret = 0;
+
+#if defined(CONFIG_ETH_DESIGNWARE)
+	u32 interface = PHY_INTERFACE_MODE_MII;
+	if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
+		ret++;
+#endif
+	return ret;
+}