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/ti/ks2_evm/ddr3_k2l.c

@@ -0,0 +1,30 @@
+/*
+ * Keystone2: DDR3 initialization
+ *
+ * (C) Copyright 2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include "ddr3_cfg.h"
+#include <asm/arch/ddr3.h>
+
+static struct pll_init_data ddr3_400 = DDR3_PLL_400;
+
+u32 ddr3_init(void)
+{
+	init_pll(&ddr3_400);
+
+	/* No SO-DIMM, 2GB discreet DDR */
+	printf("DRAM: 2 GiB\n");
+
+	/* Reset DDR3 PHY after PLL enabled */
+	ddr3_reset_ddrphy();
+
+	ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_2g);
+	ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_2g);
+
+	return 2;
+}