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/micronas/vct/ebi_smc911x.c

@@ -0,0 +1,95 @@
+/*
+ * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include "vct.h"
+
+/*
+ * EBI initialization for SMC911x access
+ */
+int ebi_init_smc911x(void)
+{
+	reg_write(EBI_DEV1_CONFIG1(EBI_BASE), 0x00003020);
+	reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
+
+	reg_write(EBI_DEV1_TIM1_RD1(EBI_BASE), 0x00501100);
+	reg_write(EBI_DEV1_TIM1_RD2(EBI_BASE), 0x0FF02111);
+
+	reg_write(EBI_DEV1_TIM_EXT(EBI_BASE), 0xFFF00000);
+	reg_write(EBI_DEV1_EXT_ACC(EBI_BASE), 0x0FFFFFFF);
+
+	reg_write(EBI_DEV1_TIM1_WR1(EBI_BASE), 0x05001100);
+	reg_write(EBI_DEV1_TIM1_WR2(EBI_BASE), 0x3FC21110);
+
+	return 0;
+}
+
+/*
+ * Accessor functions replacing the "weak" functions in
+ * drivers/net/smc911x.c
+ */
+u32 smc911x_reg_read(struct eth_device *dev, u32 addr)
+{
+	volatile u32 data;
+
+	addr += dev->iobase;
+	reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
+	ebi_wait();
+	reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
+	ebi_wait();
+	data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
+
+	return (data);
+}
+
+void smc911x_reg_write(struct eth_device *dev, u32 addr, u32 data)
+{
+	addr += dev->iobase;
+	reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004F);
+	ebi_wait();
+	reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
+	reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
+		  EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
+	ebi_wait();
+}
+
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 data)
+{
+	addr += dev->iobase;
+	reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
+	ebi_wait();
+	reg_write(EBI_IO_ACCS_DATA(EBI_BASE), data);
+	reg_write(EBI_CPU_IO_ACCS(EBI_BASE),
+		  EXT_DEVICE_CHANNEL_1 | EBI_CPU_WRITE | addr);
+	ebi_wait();
+
+	return;
+}
+
+u32 pkt_data_pull(struct eth_device *dev, u32 addr)
+{
+	volatile u32 data;
+
+	addr += dev->iobase;
+	reg_write(EBI_DEV1_CONFIG2(EBI_BASE), 0x0000004A);
+	ebi_wait();
+	reg_write(EBI_CPU_IO_ACCS(EBI_BASE), (EXT_DEVICE_CHANNEL_1 | addr));
+	ebi_wait();
+	data = reg_read(EBI_IO_ACCS_DATA(EBI_BASE));
+
+	return data;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_DRIVER_SMC911X_BASE);
+#endif
+	return rc;
+}