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/board_k2l.c

@@ -0,0 +1,126 @@
+/*
+ * K2L EVM : Board initialization
+ *
+ * (C) Copyright 2014
+ *     Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/ddr3.h>
+#include <asm/arch/hardware.h>
+#include <asm/ti-common/keystone_net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+unsigned int external_clk[ext_clk_count] = {
+	[sys_clk]	= 122880000,
+	[alt_core_clk]	= 100000000,
+	[pa_clk]	= 122880000,
+	[tetris_clk]	= 122880000,
+	[ddr3a_clk]	= 100000000,
+};
+
+static struct pll_init_data core_pll_config[NUM_SPDS] = {
+	[SPD800]	= CORE_PLL_799,
+	[SPD1000]	= CORE_PLL_1000,
+	[SPD1200]	= CORE_PLL_1198,
+};
+
+s16 divn_val[16] = {
+	0, 0, 1, 4, 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+};
+
+static struct pll_init_data tetris_pll_config[] = {
+	[SPD800]	= TETRIS_PLL_799,
+	[SPD1000]	= TETRIS_PLL_1000,
+	[SPD1200]	= TETRIS_PLL_1198,
+	[SPD1350]	= TETRIS_PLL_1352,
+	[SPD1400]	= TETRIS_PLL_1401,
+};
+
+static struct pll_init_data pa_pll_config =
+	PASS_PLL_983;
+
+struct pll_init_data *get_pll_init_data(int pll)
+{
+	int speed;
+	struct pll_init_data *data;
+
+	switch (pll) {
+	case MAIN_PLL:
+		speed = get_max_dev_speed(speeds);
+		data = &core_pll_config[speed];
+		break;
+	case TETRIS_PLL:
+		speed = get_max_arm_speed(speeds);
+		data = &tetris_pll_config[speed];
+		break;
+	case PASS_PLL:
+		data = &pa_pll_config;
+		break;
+	default:
+		data = NULL;
+	}
+
+	return data;
+}
+
+#ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
+struct eth_priv_t eth_priv_cfg[] = {
+	{
+		.int_name        = "K2L_EMAC",
+		.rx_flow         = 0,
+		.phy_addr        = 0,
+		.slave_port      = 1,
+		.sgmii_link_type = SGMII_LINK_MAC_PHY,
+		.phy_if          = PHY_INTERFACE_MODE_SGMII,
+	},
+	{
+		.int_name        = "K2L_EMAC1",
+		.rx_flow         = 8,
+		.phy_addr        = 1,
+		.slave_port      = 2,
+		.sgmii_link_type = SGMII_LINK_MAC_PHY,
+		.phy_if          = PHY_INTERFACE_MODE_SGMII,
+	},
+	{
+		.int_name        = "K2L_EMAC2",
+		.rx_flow         = 16,
+		.phy_addr        = 2,
+		.slave_port      = 3,
+		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
+		.phy_if          = PHY_INTERFACE_MODE_SGMII,
+	},
+	{
+		.int_name        = "K2L_EMAC3",
+		.rx_flow         = 32,
+		.phy_addr        = 3,
+		.slave_port      = 4,
+		.sgmii_link_type = SGMII_LINK_MAC_MAC_FORCED,
+		.phy_if          = PHY_INTERFACE_MODE_SGMII,
+	},
+};
+
+int get_num_eth_ports(void)
+{
+	return sizeof(eth_priv_cfg) / sizeof(struct eth_priv_t);
+}
+#endif
+
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+int board_early_init_f(void)
+{
+	init_plls();
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+void spl_init_keystone_plls(void)
+{
+	init_plls();
+}
+#endif