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/isee/igep0033/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_AM335X_IGEP0033
+
+config SYS_BOARD
+	default "igep0033"
+
+config SYS_VENDOR
+	default "isee"
+
+config SYS_SOC
+	default "am33xx"
+
+config SYS_CONFIG_NAME
+	default "am335x_igep0033"
+
+endif

u-boot/board/isee/igep0033/MAINTAINERS

@@ -0,0 +1,6 @@
+IGEP0033 BOARD
+M:	Enric Balletbo i Serra <eballetbo@gmail.com>
+S:	Maintained
+F:	board/isee/igep0033/
+F:	include/configs/am335x_igep0033.h
+F:	configs/am335x_igep0033_defconfig

u-boot/board/isee/igep0033/Makefile

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+#
+# Makefile
+#
+# Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-y	+= mux.o
+endif
+
+obj-y	+= board.o

u-boot/board/isee/igep0033/board.c

@@ -0,0 +1,174 @@
+/*
+ * Board functions for IGEP COM AQUILA based boards
+ *
+ * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <spl.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/omap.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/io.h>
+#include <asm/emif.h>
+#include <asm/gpio.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+#ifdef CONFIG_SPL_BUILD
+static const struct ddr_data ddr3_data = {
+	.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
+	.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
+	.datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE,
+	.datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA,
+};
+
+static const struct cmd_control ddr3_cmd_ctrl_data = {
+	.cmd0csratio = K4B2G1646EBIH9_RATIO,
+	.cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
+
+	.cmd1csratio = K4B2G1646EBIH9_RATIO,
+	.cmd1iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
+
+	.cmd2csratio = K4B2G1646EBIH9_RATIO,
+	.cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
+};
+
+static struct emif_regs ddr3_emif_reg_data = {
+	.sdram_config = K4B2G1646EBIH9_EMIF_SDCFG,
+	.ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF,
+	.sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1,
+	.sdram_tim2 = K4B2G1646EBIH9_EMIF_TIM2,
+	.sdram_tim3 = K4B2G1646EBIH9_EMIF_TIM3,
+	.zq_config = K4B2G1646EBIH9_ZQ_CFG,
+	.emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
+};
+
+#define OSC    (V_OSCK/1000000)
+const struct dpll_params dpll_ddr = {
+		400, OSC-1, 1, -1, -1, -1, -1};
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	return &dpll_ddr;
+}
+
+void set_uart_mux_conf(void)
+{
+	enable_uart0_pin_mux();
+}
+
+void set_mux_conf_regs(void)
+{
+	enable_board_pin_mux();
+}
+
+const struct ctrl_ioregs ioregs = {
+	.cm0ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
+	.cm1ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
+	.cm2ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
+	.dt0ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
+	.dt1ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
+};
+
+void sdram_init(void)
+{
+	config_ddr(400, &ioregs, &ddr3_data,
+		   &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
+}
+#endif
+
+/*
+ * Basic board specific setup.  Pinmux has been handled already.
+ */
+int board_init(void)
+{
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	gpmc_init();
+
+	return 0;
+}
+
+#if defined(CONFIG_DRIVER_TI_CPSW)
+static void cpsw_control(int enabled)
+{
+	/* VTP can be added here */
+
+	return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+	{
+		.slave_reg_ofs	= 0x208,
+		.sliver_reg_ofs	= 0xd80,
+		.phy_addr	= 0,
+		.phy_if		= PHY_INTERFACE_MODE_RMII,
+	},
+};
+
+static struct cpsw_platform_data cpsw_data = {
+	.mdio_base		= CPSW_MDIO_BASE,
+	.cpsw_base		= CPSW_BASE,
+	.mdio_div		= 0xff,
+	.channels		= 8,
+	.cpdma_reg_ofs		= 0x800,
+	.slaves			= 1,
+	.slave_data		= cpsw_slaves,
+	.ale_reg_ofs		= 0xd00,
+	.ale_entries		= 1024,
+	.host_port_reg_ofs	= 0x108,
+	.hw_stats_reg_ofs	= 0x900,
+	.bd_ram_ofs		= 0x2000,
+	.mac_control		= (1 << 5),
+	.control		= cpsw_control,
+	.host_port_num		= 0,
+	.version		= CPSW_CTRL_VERSION_2,
+};
+
+int board_eth_init(bd_t *bis)
+{
+	int rv, ret = 0;
+	uint8_t mac_addr[6];
+	uint32_t mac_hi, mac_lo;
+
+	if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
+		/* try reading mac address from efuse */
+		mac_lo = readl(&cdev->macid0l);
+		mac_hi = readl(&cdev->macid0h);
+		mac_addr[0] = mac_hi & 0xFF;
+		mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+		mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+		mac_addr[4] = mac_lo & 0xFF;
+		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+		if (is_valid_ethaddr(mac_addr))
+			eth_setenv_enetaddr("ethaddr", mac_addr);
+	}
+
+	writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN),
+	       &cdev->miisel);
+
+	rv = cpsw_register(&cpsw_data);
+	if (rv < 0)
+		printf("Error %d registering CPSW switch\n", rv);
+	else
+		ret += rv;
+
+	return ret;
+}
+#endif

u-boot/board/isee/igep0033/board.h

@@ -0,0 +1,19 @@
+/*
+ * IGEP COM AQUILA boards information header
+ *
+ * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * We must be able to enable uart0, for initial output. We then have a
+ * main pinmux function that can be overridden to enable all other pinmux that
+ * is required on the board.
+ */
+void enable_uart0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif

u-boot/board/isee/igep0033/mux.c

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
+	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
+	{-1},
+};
+
+static struct module_pin_mux mmc0_pin_mux[] = {
+	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
+	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
+	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
+	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
+	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
+	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
+	{OFFSET(mcasp0_aclkx), (MODE(4) | RXACTIVE)},		/* MMC0_CD */
+	{-1},
+};
+
+static struct module_pin_mux nand_pin_mux[] = {
+	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
+	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
+	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
+	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
+	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
+	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
+	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
+	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
+	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
+	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
+	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},		/* NAND_CS0 */
+	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
+	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
+	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
+	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
+	{-1},
+};
+
+static struct module_pin_mux rmii1_pin_mux[] = {
+	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
+	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
+	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS_DV */
+	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
+	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
+	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
+	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
+	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REF_CLK */
+	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},	/* MDIO_DATA */
+	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
+	{-1},
+};
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+/*
+ * Do board-specific muxes.
+ */
+void enable_board_pin_mux(void)
+{
+	/* NAND Flash */
+	configure_module_pin_mux(nand_pin_mux);
+	/* SD Card */
+	configure_module_pin_mux(mmc0_pin_mux);
+	/* Ethernet pinmux. */
+	configure_module_pin_mux(rmii1_pin_mux);
+}