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/gdsys/405ep/neo.c

@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2011
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/ppc4xx-gpio.h>
+#include <dtt.h>
+
+#include "405ep.h"
+#include <gdsys_fpga.h>
+
+#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
+#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
+#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
+
+enum {
+	UNITTYPE_CCX16 = 1,
+	UNITTYPE_CCIP216 = 2,
+};
+
+enum {
+	HWVER_300 = 3,
+};
+
+struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
+
+int misc_init_r(void)
+{
+	/* startup fans */
+	dtt_init();
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+	puts("Board: CATCenter Neo");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+
+	puts("\n");
+
+	return 0;
+}
+
+static void print_fpga_info(void)
+{
+	u16 versions;
+	u16 fpga_version;
+	u16 fpga_features;
+	int fpga_state = get_fpga_state(0);
+	unsigned unit_type;
+	unsigned hardware_version;
+	unsigned feature_channels;
+
+	puts("FPGA:  ");
+	if (fpga_state & FPGA_STATE_DONE_FAILED) {
+		printf(" done timed out\n");
+		return;
+	}
+
+	if (fpga_state & FPGA_STATE_REFLECTION_FAILED) {
+		printf(" refelectione test failed\n");
+		return;
+	}
+
+	FPGA_GET_REG(0, versions, &versions);
+	FPGA_GET_REG(0, fpga_version, &fpga_version);
+	FPGA_GET_REG(0, fpga_features, &fpga_features);
+
+	unit_type = (versions & 0xf000) >> 12;
+	hardware_version = versions & 0x000f;
+	feature_channels = fpga_features & 0x007f;
+
+	switch (unit_type) {
+	case UNITTYPE_CCX16:
+		printf("CCX-Switch");
+		break;
+
+	default:
+		printf("UnitType %d(not supported)", unit_type);
+		break;
+	}
+
+	switch (hardware_version) {
+	case HWVER_300:
+		printf(" HW-Ver 3.00-3.12\n");
+		break;
+
+	default:
+		printf(" HW-Ver %d(not supported)\n",
+		       hardware_version);
+		break;
+	}
+
+	printf("       FPGA V %d.%02d, features:",
+		fpga_version / 100, fpga_version % 100);
+
+	printf(" %d channel(s)\n", feature_channels);
+}
+
+int last_stage_init(void)
+{
+	print_fpga_info();
+
+	return 0;
+}
+
+void gd405ep_init(void)
+{
+}
+
+void gd405ep_set_fpga_reset(unsigned state)
+{
+	if (state) {
+		out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
+		out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
+	} else {
+		out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
+		out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
+	}
+}
+
+void gd405ep_setup_hw(void)
+{
+	/*
+	 * set "startup-finished"-gpios
+	 */
+	gpio_write_bit(21, 0);
+	gpio_write_bit(22, 1);
+}
+
+int gd405ep_get_fpga_done(unsigned fpga)
+{
+	/*
+	 * Neo hardware has no FPGA-DONE GPIO
+	 */
+	return 1;
+}