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/renesas/ecovec/ecovec.c

@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2009, 2011 Renesas Solutions Corp.
+ * Copyright (C) 2009 Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <i2c.h>
+#include <netdev.h>
+
+/* USB power management register */
+#define UPONCR0 0xA40501D4
+
+int checkboard(void)
+{
+	puts("BOARD: ecovec\n");
+	return 0;
+}
+
+int dram_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+	printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
+	return 0;
+}
+
+static void debug_led(u8 led)
+{
+	/* PDGR[0-4] is debug LED */
+	outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR);
+}
+
+int board_late_init(void)
+{
+	u8 mac[6];
+	char env_mac[18];
+
+	udelay(1000);
+
+	/* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/
+	outw(inw(PLCR) & ~0xFFF0, PLCR);
+	outw(inw(PNCR) & ~0x000F, PNCR);
+	outw(inw(PXCR) & ~0x0FC0, PXCR);
+	outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB);
+	outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC);
+	outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE);
+
+	debug_led(1 << 3);
+
+	outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2);
+
+	i2c_set_bus_num(1); /* Use I2C 1 */
+
+	/* Read MAC address */
+	i2c_read(0x50, 0x10, 0, mac, 6);
+
+	/* Set MAC address */
+	sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
+		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	setenv("ethaddr", env_mac);
+
+	debug_led(0x0F);
+
+	return 0;
+}
+
+int board_init(void)
+{
+
+	/* LED (PTG) */
+	outw((inw(PGCR) & ~0xFF) | 0x55, PGCR);
+	outw((inw(HIZCRA) & ~0x02), HIZCRA);
+
+	debug_led(1 << 0);
+
+	/* SCIF0 (PTF, PTM) */
+	outw(inw(PFCR) & ~0x30, PFCR);
+	outw(inw(PMCR) & ~0x0C, PMCR);
+	outw((inw(PSELA) & ~0x40) | 0x40, PSELA);
+
+	debug_led(1 << 1);
+
+	/* RMII (PTA) */
+	outw((inw(PACR) & ~0x0C) | 0x04, PACR);
+	outb((inb(PADR) & ~0x02) | 0x02, PADR);
+
+	debug_led(1 << 2);
+
+	/* USB host */
+	outw((inw(PBCR) & ~0x300) | 0x100, PBCR);
+	outb((inb(PBDR) & ~0x10) | 0x10, PBDR);
+	outl(inl(MSTPCR2) & ~0x100000, MSTPCR2);
+	outw(0x0600, UPONCR0);
+
+	debug_led(1 << 3);
+
+	/* debug switch */
+	outw((inw(PVCR) & ~0x03) | 0x02 , PVCR);
+
+	return 0;
+}