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/raidsonic/ib62x0/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_IB62X0
+
+config SYS_BOARD
+	default "ib62x0"
+
+config SYS_VENDOR
+	default "raidsonic"
+
+config SYS_CONFIG_NAME
+	default "ib62x0"
+
+endif

u-boot/board/raidsonic/ib62x0/MAINTAINERS

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+IB62X0 BOARD
+M:	Luka Perkov <luka@openwrt.org>
+S:	Maintained
+F:	board/raidsonic/ib62x0/
+F:	include/configs/ib62x0.h
+F:	configs/ib62x0_defconfig

u-boot/board/raidsonic/ib62x0/Makefile

@@ -0,0 +1,9 @@
+#
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= ib62x0.o

u-boot/board/raidsonic/ib62x0/ib62x0.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2011-2012
+ * Gerald Kerma <dreagle@doukki.net>
+ * Luka Perkov <luka@openwrt.org>
+ * Simon Baatz <gmbnomis@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
+#include "ib62x0.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/*
+	 * default gpio configuration
+	 * There are maximum 64 gpios controlled through 2 sets of registers
+	 * the below configuration configures mainly initial LED status
+	 */
+	mvebu_config_gpio(IB62x0_OE_VAL_LOW,
+			  IB62x0_OE_VAL_HIGH,
+			  IB62x0_OE_LOW, IB62x0_OE_HIGH);
+
+	/* Set SATA activity LEDs to default off */
+	writel(MVSATAHC_LED_POLARITY_CTRL, MVSATAHC_LED_CONF_REG);
+	/* Multi-Purpose Pins Functionality configuration */
+	static const u32 kwmpp_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP6_SYSRST_OUTn,
+		MPP8_TW_SDA,
+		MPP9_TW_SCK,
+		MPP10_UART0_TXD,
+		MPP11_UART0_RXD,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		MPP20_SATA1_ACTn,
+		MPP21_SATA0_ACTn,
+		MPP22_GPIO,     /* Power LED red */
+		MPP24_GPIO,     /* Power off device */
+		MPP25_GPIO,     /* Power LED green */
+		MPP27_GPIO,     /* USB transfer LED */
+		MPP28_GPIO,     /* Reset button */
+		MPP29_GPIO,     /* USB Copy button */
+		0
+	};
+	kirkwood_mpp_conf(kwmpp_config, NULL);
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
+
+	return 0;
+}

u-boot/board/raidsonic/ib62x0/ib62x0.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2011-2012
+ * Gerald Kerma <dreagle@doukki.net>
+ * Simon Baatz <gmbnomis@gmail.com>
+ * Luka Perkov <luka@openwrt.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __IB62x0_H
+#define __IB62x0_H
+
+#define IB62x0_OE_LOW		(~(1 << 22 | 1 << 24 | 1 << 25 | 1 << 27))
+#define IB62x0_OE_HIGH		(~(0))
+#define IB62x0_OE_VAL_LOW	0
+#define IB62x0_OE_VAL_HIGH	0
+
+/* PHY related */
+#define MV88E1116_LED_FCTRL_REG		10
+#define MV88E1116_CPRSP_CR3_REG		21
+#define MV88E1116_MAC_CTRL_REG		21
+#define MV88E1116_PGADR_REG		22
+#define MV88E1116_RGMII_TXTM_CTRL	(1 << 4)
+#define MV88E1116_RGMII_RXTM_CTRL	(1 << 5)
+
+/* SATAHC related */
+#define MVSATAHC_LED_CONF_REG       (MV_SATA_BASE + 0x2C)
+#define MVSATAHC_LED_POLARITY_CTRL  (1 << 3)
+
+#endif /* __IB62x0_H */

u-boot/board/raidsonic/ib62x0/kwbimage.cfg

@@ -0,0 +1,155 @@
+#
+# Copyright (C) 2011-2012
+# Gerald Kerma <dreagle@doukki.net>
+# Simon Baatz <gmbnomis@gmail.com>
+# Luka Perkov <luka@openwrt.org>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+# Refer doc/README.kwbimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM	nand
+NAND_ECC_MODE	default
+NAND_PAGE_SIZE	0x0800
+
+# SOC registers configuration using bootrom header extension
+# Maximum KWBIMAGE_MAX_CONFIG configurations allowed
+
+# Configure RGMII-0 interface pad voltage to 1.8V
+DATA 0xffd100e0 0x1b1b1b9b
+
+# Dram initalization for SINGLE x16 CL=5 @ 400MHz
+DATA 0xffd01400 0x43000c30	# DDR Configuration register
+# bit13-0:  0xc30, (3120 DDR2 clks refresh rate)
+# bit23-14: 0x0,
+# bit24:    0x1,   enable exit self refresh mode on DDR access
+# bit25:    0x1,   required
+# bit29-26: 0x0,
+# bit31-30: 0x1,
+
+DATA 0xffd01404 0x37543000	# DDR Controller Control Low
+# bit4:     0x0, addr/cmd in smame cycle
+# bit5:     0x0, clk is driven during self refresh, we don't care for APX
+# bit6:     0x0, use recommended falling edge of clk for addr/cmd
+# bit14:    0x0, input buffer always powered up
+# bit18:    0x1, cpu lock transaction enabled
+# bit23-20: 0x5, recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 0x7, CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 0x3, required
+# bit31:    0x0, no additional STARTBURST delay
+
+DATA 0xffd01408 0x22125451	# DDR Timing (Low) (active cycles value +1)
+# bit3-0:   TRAS lsbs
+# bit7-4:   TRCD
+# bit11-8:  TRP
+# bit15-12: TWR
+# bit19-16: TWTR
+# bit20:    TRAS msb
+# bit23-21: 0x0
+# bit27-24: TRRD
+# bit31-28: TRTP
+
+DATA 0xffd0140c 0x00000a33	# DDR Timing (High)
+# bit6-0:   TRFC
+# bit8-7:   TR2R
+# bit10-9:  TR2W
+# bit12-11: TW2W
+# bit31-13: 0x0, required
+
+DATA 0xffd01410 0x0000000c	# DDR Address Control
+# bit1-0:   00,  Cs0width (x8)
+# bit3-2:   11,  Cs0size (1Gb)
+# bit5-4:   00,  Cs1width (x8)
+# bit7-6:   11,  Cs1size (1Gb)
+# bit9-8:   00,  Cs2width (nonexistent)
+# bit11-10: 00,  Cs2size (nonexistent)
+# bit13-12: 00,  Cs3width (nonexistent)
+# bit15-14: 00,  Cs3size (nonexistent)
+# bit16:    0,   Cs0AddrSel
+# bit17:    0,   Cs1AddrSel
+# bit18:    0,   Cs2AddrSel
+# bit19:    0,   Cs3AddrSel
+# bit31-20: 0x0, required
+
+DATA 0xffd01414 0x00000000	# DDR Open Pages Control
+# bit0:    0,   OpenPage enabled
+# bit31-1: 0x0, required
+
+DATA 0xffd01418 0x00000000	# DDR Operation
+# bit3-0:   0x0, DDR cmd
+# bit31-4:  0x0, required
+
+DATA 0xffd0141c 0x00000c52	# DDR Mode
+# bit2-0:   0x2, BurstLen=2 required
+# bit3:     0x0, BurstType=0 required
+# bit6-4:   0x4, CL=5
+# bit7:     0x0, TestMode=0 normal
+# bit8:     0x0, DLL reset=0 normal
+# bit11-9:  0x6, auto-precharge write recovery
+# bit12:    0x0, PD must be zero
+# bit31-13: 0x0, required
+
+DATA 0xffd01420 0x00000040	# DDR Extended Mode
+# bit0:     0,   DDR DLL enabled
+# bit1:     0,   DDR drive strenght normal
+# bit2:     1,   DDR ODT control lsd (disabled)
+# bit5-3:   0x0, required
+# bit6:     0,   DDR ODT control msb, (disabled)
+# bit9-7:   0x0, required
+# bit10:    0,   differential DQS enabled
+# bit11:    0,   required
+# bit12:    0,   DDR output buffer enabled
+# bit31-13: 0x0, required
+
+DATA 0xffd01424 0x0000f17f	# DDR Controller Control High
+# bit2-0:   0x7, required
+# bit3:     0x1, MBUS Burst Chop disabled
+# bit6-4:   0x7, required
+# bit7:     0x0,
+# bit8:     0x1, add writepath sample stage, must be 1 for DDR freq >= 300MHz
+# bit9:     0x0, no half clock cycle addition to dataout
+# bit10:    0x0, 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11:    0x0, 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 0xf, required
+# bit31-16: 0,   required
+
+DATA 0xffd01428 0x00085520	# DDR2 ODT Read Timing (default values)
+DATA 0xffd0147c 0x00008552	# DDR2 ODT Write Timing (default values)
+
+DATA 0xffd01500 0x00000000	# CS[0]n Base address to 0x0
+DATA 0xffd01504 0x0ffffff1	# CS[0]n Size
+# bit0:     0x1,     Window enabled
+# bit1:     0x0,     Write Protect disabled
+# bit3-2:   0x0,     CS0 hit selected
+# bit23-4:  0xfffff, required
+# bit31-24: 0x0f,    Size (i.e. 256MB)
+
+DATA 0xffd01508 0x10000000	# CS[1]n Base address to 256Mb
+DATA 0xffd0150c 0x00000000	# CS[1]n Size, window disabled
+
+DATA 0xffd01514 0x00000000	# CS[2]n Size, window disabled
+DATA 0xffd0151c 0x00000000	# CS[3]n Size, window disabled
+
+DATA 0xffd01494 0x00030000	# DDR ODT Control (Low)
+# bit3-0:     ODT0Rd, MODT[0] asserted during read from DRAM CS1
+# bit7-4:     ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:2, ODT0Wr, MODT[0] asserted during write to DRAM CS1
+# bit23-20:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xffd01498 0x00000000	# DDR ODT Control (High)
+# bit1-0:  0x0, ODT0 controlled by ODT Control (low) register above
+# bit3-2:  0x1, ODT1 active NEVER!
+# bit31-4: 0x0, required
+
+DATA 0xffd0149c 0x0000e803	# CPU ODT Control
+DATA 0xffd01480 0x00000001	# DDR Initialization Control
+# bit0: 0x1, enable DDR init upon this register write
+
+DATA 0xffd20134 0x66666666	# L2 RAM Timing 0 Register
+DATA 0xffd20138 0x66666666	# L2 RAM Timing 1 Register
+
+# End of Header extension
+DATA 0x0 0x0