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/sdp4430/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_OMAP4_SDP4430
+
+config SYS_BOARD
+	default "sdp4430"
+
+config SYS_VENDOR
+	default "ti"
+
+config SYS_CONFIG_NAME
+	default "omap4_sdp4430"
+
+endif

u-boot/board/ti/sdp4430/MAINTAINERS

@@ -0,0 +1,6 @@
+SDP4430 BOARD
+M:	Lokesh Vutla <lokeshvutla@ti.com>
+S:	Maintained
+F:	board/ti/sdp4430/
+F:	include/configs/omap4_sdp4430.h
+F:	configs/omap4_sdp4430_defconfig

u-boot/board/ti/sdp4430/Makefile

@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= sdp.o
+
+ifndef CONFIG_SPL_BUILD
+obj-y	+= cmd_bat.o
+endif

u-boot/board/ti/sdp4430/cmd_bat.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010 Texas Instruments
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+
+#ifdef CONFIG_CMD_BAT
+#include <twl6030.h>
+
+int do_vbat(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc == 2) {
+		if (strncmp(argv[1], "startcharge", 12) == 0)
+			twl6030_start_usb_charging();
+		else if (strncmp(argv[1], "stopcharge", 11) == 0)
+			twl6030_stop_usb_charging();
+		else if (strncmp(argv[1], "status", 7) == 0) {
+			twl6030_get_battery_voltage();
+			twl6030_get_battery_current();
+		} else {
+			goto bat_cmd_usage;
+		}
+	} else {
+		goto bat_cmd_usage;
+	}
+	return 0;
+
+bat_cmd_usage:
+	return cmd_usage(cmdtp);
+}
+
+U_BOOT_CMD(
+	bat, 2, 1, do_vbat,
+	"battery charging, voltage/current measurements",
+	"status - display battery voltage and current\n"
+	"bat startcharge - start charging via USB\n"
+	"bat stopcharge - stop charging\n"
+);
+#endif /* CONFIG_BAT_CMD */

u-boot/board/ti/sdp4430/sdp.c

@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated, <www.ti.com>
+ * Aneesh V       <aneesh@ti.com>
+ * Steve Sakoman  <steve@sakoman.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <twl6030.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
+
+#include "sdp4430_mux_data.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const struct omap_sysinfo sysinfo = {
+	"Board: OMAP4430 SDP\n"
+};
+
+/**
+ * @brief board_init
+ *
+ * @return 0
+ */
+int board_init(void)
+{
+	gpmc_init();
+
+	gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	return 0;
+}
+
+/**
+ * @brief misc_init_r - Configure SDP board specific configurations
+ * such as power configurations, ethernet initialization as phase2 of
+ * boot sequence
+ *
+ * @return 0
+ */
+int misc_init_r(void)
+{
+#ifdef CONFIG_TWL6030_POWER
+	twl6030_init_battery_charging();
+#endif
+	return 0;
+}
+
+void set_muxconf_regs(void)
+{
+	do_set_mux((*ctrl)->control_padconf_core_base,
+		   core_padconf_array_essential,
+		   sizeof(core_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+
+	do_set_mux((*ctrl)->control_padconf_wkup_base,
+		   wkup_padconf_array_essential,
+		   sizeof(wkup_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+
+	if ((omap_revision() >= OMAP4460_ES1_0) &&
+			(omap_revision() < OMAP4470_ES1_0))
+		do_set_mux((*ctrl)->control_padconf_wkup_base,
+				 wkup_padconf_array_essential_4460,
+				 sizeof(wkup_padconf_array_essential_4460) /
+				 sizeof(struct pad_conf_entry));
+}
+
+#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
+int board_mmc_init(bd_t *bis)
+{
+	omap_mmc_init(0, 0, 0, -1, -1);
+	omap_mmc_init(1, 0, 0, -1, -1);
+	return 0;
+}
+
+void board_mmc_power_init(void)
+{
+	twl6030_power_mmc_init(0);
+	twl6030_power_mmc_init(1);
+}
+#endif
+
+/*
+ * get_board_rev() - get board revision
+ */
+u32 get_board_rev(void)
+{
+	return 0x20;
+}

u-boot/board/ti/sdp4430/sdp4430_mux_data.h

@@ -0,0 +1,68 @@
+/*
+ * (C) Copyright 2010
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ *	Balaji Krishnamoorthy	<balajitk@ti.com>
+ *	Aneesh V		<aneesh@ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef _SDP4430_MUX_DATA_H
+#define _SDP4430_MUX_DATA_H
+
+#include <asm/arch/mux_omap4.h>
+
+const struct pad_conf_entry core_padconf_array_essential[] = {
+
+{GPMC_AD0, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat0 */
+{GPMC_AD1, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat1 */
+{GPMC_AD2, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat2 */
+{GPMC_AD3, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat3 */
+{GPMC_AD4, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat4 */
+{GPMC_AD5, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat5 */
+{GPMC_AD6, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat6 */
+{GPMC_AD7, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat7 */
+{GPMC_NOE, (PTU | IEN | OFF_EN | OFF_OUT_PTD | M1)},	 /* sdmmc2_clk */
+{GPMC_NWE, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_cmd */
+{SDMMC1_CLK, (PTU | OFF_EN | OFF_OUT_PTD | M0)},	 /* sdmmc1_clk */
+{SDMMC1_CMD, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_cmd */
+{SDMMC1_DAT0, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat0 */
+{SDMMC1_DAT1, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat1 */
+{SDMMC1_DAT2, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat2 */
+{SDMMC1_DAT3, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat3 */
+{SDMMC1_DAT4, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat4 */
+{SDMMC1_DAT5, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat5 */
+{SDMMC1_DAT6, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat6 */
+{SDMMC1_DAT7, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat7 */
+{UART3_CTS_RCTX, (PTU | IEN | M0)},			/* uart3_tx */
+{UART3_RTS_SD, (M0)},					/* uart3_rts_sd */
+{UART3_RX_IRRX, (IEN | M0)},				/* uart3_rx */
+{UART3_TX_IRTX, (M0)},					/* uart3_tx */
+{USBB1_ULPITLL_DAT4, (IEN | OFF_EN | OFF_PD | OFF_IN | M4)},	/* usbb1_ulpiphy_dat4 */
+{USBB1_ULPITLL_DAT5, (IEN | OFF_EN | OFF_PD | OFF_IN | M4)},	/* usbb1_ulpiphy_dat5 */
+{USBB1_ULPITLL_DAT6, (IEN | OFF_EN | OFF_PD | OFF_IN | M4)},	/* usbb1_ulpiphy_dat6 */
+{USBB1_ULPITLL_DAT7, (IEN | OFF_EN | OFF_PD | OFF_IN | M4)},	/* usbb1_ulpiphy_dat7 */
+{USBB1_HSIC_DATA, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)},	/* usbb1_hsic_data */
+{USBB1_HSIC_STROBE, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)},	/* usbb1_hsic_strobe */
+{USBC1_ICUSB_DP, (IEN | M0)},					/* usbc1_icusb_dp */
+{USBC1_ICUSB_DM, (IEN | M0)},					/* usbc1_icusb_dm */
+{USBA0_OTG_CE, (PTD | OFF_EN | OFF_PD | OFF_OUT_PTD | M0)},	/* usba0_otg_ce */
+{USBA0_OTG_DP, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)},		/* usba0_otg_dp */
+{USBA0_OTG_DM, (IEN | OFF_EN | OFF_PD | OFF_IN | M0)},		/* usba0_otg_dm */
+};
+
+const struct pad_conf_entry wkup_padconf_array_essential[] = {
+
+{PAD1_SR_SCL, (PTU | IEN | M0)}, /* sr_scl */
+{PAD0_SR_SDA, (PTU | IEN | M0)}, /* sr_sda */
+{PAD1_SYS_32K, (IEN | M0)}	 /* sys_32k */
+
+};
+
+const struct pad_conf_entry wkup_padconf_array_essential_4460[] = {
+
+{PAD1_FREF_CLK4_REQ, (M3)}, /* gpio_wk7 for TPS: Mode 3 */
+
+};
+
+#endif /* _SDP4430_MUX_DATA_H */