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/atmel/at91rm9200ek/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_AT91RM9200EK
+
+config SYS_BOARD
+	default "at91rm9200ek"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_CONFIG_NAME
+	default "at91rm9200ek"
+
+endif

u-boot/board/atmel/at91rm9200ek/MAINTAINERS

@@ -0,0 +1,7 @@
+AT91RM9200EK BOARD
+M:	Andreas Bießmann <andreas@biessmann.org>
+S:	Maintained
+F:	board/atmel/at91rm9200ek/
+F:	include/configs/at91rm9200ek.h
+F:	configs/at91rm9200ek_defconfig
+F:	configs/at91rm9200ek_ram_defconfig

u-boot/board/atmel/at91rm9200ek/Makefile

@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += at91rm9200ek.o
+obj-y += led.o

u-boot/board/atmel/at91rm9200ek/at91rm9200ek.c

@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2010 Andreas Bießmann <andreas@biessmann.org>
+ *
+ * derived from previous work
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/at91_common.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+int board_init(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)AT91_PIO_BASE;
+
+	/*
+	 * Correct IRDA resistor problem
+	 * Set PA23_TXD in Output
+	 */
+	writel(ATMEL_PMX_AA_TXD2, &pio->pioa.oer);
+
+	/* arch number of AT91RM9200EK-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200EK;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	at91_seriald_hw_init();
+	return 0;
+}
+
+int dram_init (void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+			CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_AT91EMAC
+int board_eth_init(bd_t *bis)
+{
+	return at91emac_register(bis, (u32) ATMEL_BASE_EMAC);
+}
+#endif

u-boot/board/atmel/at91rm9200ek/led.c

@@ -0,0 +1,72 @@
+/*
+ * (C) Copyright 2006
+ * Atmel Nordic AB <www.atmel.com>
+ * Ulf Samuelsson <ulf@atmel.com>
+ *
+ * (C) Copyright 2010
+ * Andreas Bießmann <andreas@biessmann.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/at91_pio.h>
+#include <status_led.h>
+
+/* bit mask in PIO port B */
+#define	GREEN_LED	(1<<0)
+#define	YELLOW_LED	(1<<1)
+#define	RED_LED		(1<<2)
+
+void	green_led_on(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(GREEN_LED, &pio->piob.codr);
+}
+
+void	 yellow_led_on(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(YELLOW_LED, &pio->piob.codr);
+}
+
+void	 red_led_on(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(RED_LED, &pio->piob.codr);
+}
+
+void	green_led_off(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(GREEN_LED, &pio->piob.sodr);
+}
+
+void	yellow_led_off(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(YELLOW_LED, &pio->piob.sodr);
+}
+
+void	red_led_off(void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+	writel(RED_LED, &pio->piob.sodr);
+}
+
+void coloured_LED_init (void)
+{
+	at91_pio_t *pio = (at91_pio_t *)ATMEL_BASE_PIO;
+
+	at91_periph_clk_enable(ATMEL_ID_PIOB);
+
+	/* Disable peripherals on LEDs */
+	writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.per);
+	/* Enable pins as outputs */
+	writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.oer);
+	/* Turn all LEDs OFF */
+	writel(GREEN_LED | YELLOW_LED | RED_LED, &pio->piob.sodr);
+}