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/samsung/smdkc100/smdkc100.c

@@ -0,0 +1,75 @@
+/*
+ *  Copyright (C) 2008-2009 Samsung Electronics
+ *  Minkyu Kang <mk7.kang@samsung.com>
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/sromc.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+static void smc9115_pre_init(void)
+{
+	u32 smc_bw_conf, smc_bc_conf;
+
+	/* gpio configuration GPK0CON */
+	gpio_cfg_pin(S5PC100_GPIO_K00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
+
+	/* Ethernet needs bus width of 16 bits */
+	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
+	smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
+			| SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
+			| SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
+
+	/* Select and configure the SROMC bank */
+	s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
+}
+
+int board_init(void)
+{
+	smc9115_pre_init();
+
+	gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
+
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+#ifdef CONFIG_DISPLAY_BOARDINFO
+int checkboard(void)
+{
+	printf("Board:\tSMDKC100\n");
+	return 0;
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}