ARM: add support for LaCie 2Big Network v2
This patch adds support for the LaCie 2Big Network v2 board, based on
the Marvell Kirkwood 6281 SoC.
Additional information is available at:
http://lacie-nas.org/doku.php?id=2big_network_v2
Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 0c0b4ee..3a6d29c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -651,6 +651,7 @@
inetspace_v2 ARM926EJS (Kirkwood SoC)
netspace_v2 ARM926EJS (Kirkwood SoC)
netspace_max_v2 ARM926EJS (Kirkwood SoC)
+ net2big_v2 ARM926EJS (Kirkwood SoC)
Igor Grinberg <grinberg@compulab.co.il>
diff --git a/board/LaCie/net2big_v2/Makefile b/board/LaCie/net2big_v2/Makefile
new file mode 100644
index 0000000..4bacef4
--- /dev/null
+++ b/board/LaCie/net2big_v2/Makefile
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+#
+# Based on Kirkwood support:
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS := net2big_v2.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/LaCie/net2big_v2/kwbimage.cfg b/board/LaCie/net2big_v2/kwbimage.cfg
new file mode 100644
index 0000000..8d9f153
--- /dev/null
+++ b/board/LaCie/net2big_v2/kwbimage.cfg
@@ -0,0 +1,162 @@
+#
+# Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+#
+# Based on Kirkwood support:
+# (C) Copyright 2009
+# Marvell Semiconductor <www.marvell.com>
+# Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# Refer docs/README.kwimage for more details about how-to configure
+# and create kirkwood boot image
+#
+
+# Boot Media configurations
+BOOT_FROM spi # Boot from SPI flash
+
+# 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: 0xa00 (2560 DDR2 clks refresh rate)
+# bit23-14: zero
+# bit24: 1= enable exit self refresh mode on DDR access
+# bit25: 1 required
+# bit29-26: zero
+# bit31-30: 01
+
+DATA 0xFFD01404 0x38743000 # DDR Controller Control Low
+# bit 4: 0=addr/cmd in smame cycle
+# bit 5: 0=clk is driven during self refresh, we don't care for APX
+# bit 6: 0=use recommended falling edge of clk for addr/cmd
+# bit14: 0=input buffer always powered up
+# bit18: 1=cpu lock transaction enabled
+# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0
+# bit27-24: 8= CL+3, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM
+# bit30-28: 3 required
+# bit31: 0=no additional STARTBURST delay
+
+DATA 0xFFD01408 0x22125451 # DDR Timing (Low) (active cycles value +1)
+# 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 0x00000A32 # DDR Timing (High)
+# bit6-0: TRFC
+# bit8-7: TR2R
+# bit10-9: TR2W
+# bit12-11: TW2W
+# bit31-13: zero required
+
+DATA 0xFFD01410 0x0000CCCC # DDR Address Control
+# bit1-0: 01, Cs0width=x16
+# bit3-2: 11, Cs0size=1Gb
+# bit5-4: 00, Cs2width=nonexistent
+# bit7-6: 00, Cs1size =nonexistent
+# 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: 0 required
+
+DATA 0xFFD01414 0x00000000 # DDR Open Pages Control
+# bit0: 0, OpenPage enabled
+# bit31-1: 0 required
+
+DATA 0xFFD01418 0x00000000 # DDR Operation
+# bit3-0: 0x0, DDR cmd
+# bit31-4: 0 required
+
+DATA 0xFFD0141C 0x00000662 # DDR Mode
+# bit2-0: 2, BurstLen=2 required
+# bit3: 0, BurstType=0 required
+# bit6-4: 4, CL=5
+# bit7: 0, TestMode=0 normal
+# bit8: 0, DLL reset=0 normal
+# bit11-9: 6, auto-precharge write recovery ????????????
+# bit12: 0, PD must be zero
+# bit31-13: 0 required
+
+DATA 0xFFD01420 0x00000044 # DDR Extended Mode
+# bit0: 0, DDR DLL enabled
+# bit1: 1, DDR drive strenght reduced
+# bit2: 1, DDR ODT control lsd enabled
+# bit5-3: 000, required
+# bit6: 1, DDR ODT control msb, enabled
+# bit9-7: 000, required
+# bit10: 0, differential DQS enabled
+# bit11: 0, required
+# bit12: 0, DDR output buffer enabled
+# bit31-13: 0 required
+
+DATA 0xFFD01424 0x0000F17F # DDR Controller Control High
+# bit2-0: 111, required
+# bit3 : 1 , MBUS Burst Chop disabled
+# bit6-4: 111, required
+# bit7 : 1 , D2P Latency enabled
+# bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz
+# bit9 : 0 , no half clock cycle addition to dataout
+# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals
+# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh
+# bit15-12: 1111 required
+# bit31-16: 0 required
+
+DATA 0xFFD01428 0x00096630 # DDR2 ODT Read Timing (default values)
+DATA 0xFFD0147C 0x00009663 # DDR2 ODT Write Timing (default values)
+
+DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0
+DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size
+# bit0: 1, Window enabled
+# bit1: 0, Write Protect disabled
+# bit3-2: 00, CS0 hit selected
+# bit23-4: ones, required
+# bit31-24: 0x07, Size (i.e. 128MB)
+
+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 0x00010000 # DDR ODT Control (Low)
+# bit3-0: 1, ODT0Rd, MODT[0] asserted during read from DRAM CS0
+# bit19-16:1, ODT0Wr, MODT[0] asserted during write to DRAM CS0
+
+DATA 0xFFD01498 0x00000000 # DDR ODT Control (High)
+# bit1-0: 00, ODT0 controlled by ODT Control (low) register above
+# bit3-2: 01, ODT1 active NEVER!
+# bit31-4: zero, required
+
+DATA 0xFFD0149C 0x0000E40F # CPU ODT Control
+# bit3-0: 1, ODT0Rd, Internal ODT asserted during read from DRAM bank0
+# bit7-4: 1, ODT0Wr, Internal ODT asserted during write to DRAM bank0
+# bit11-10:1, DQ_ODTSel. ODT select turned on
+
+DATA 0xFFD01480 0x00000001 # DDR Initialization Control
+#bit0=1, enable DDR init upon this register write
+
+# End of Header extension
+DATA 0x0 0x0
diff --git a/board/LaCie/net2big_v2/net2big_v2.c b/board/LaCie/net2big_v2/net2big_v2.c
new file mode 100644
index 0000000..16d1405
--- /dev/null
+++ b/board/LaCie/net2big_v2/net2big_v2.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * Based on Kirkwood support:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <command.h>
+#include <i2c.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/mpp.h>
+#include <asm/arch/gpio.h>
+#include "net2big_v2.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ /* GPIO configuration */
+ kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
+ NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
+
+ /* Multi-Purpose Pins Functionality configuration */
+ u32 kwmpp_config[] = {
+ MPP0_SPI_SCn,
+ MPP1_SPI_MOSI,
+ MPP2_SPI_SCK,
+ MPP3_SPI_MISO,
+ MPP6_SYSRST_OUTn,
+ MPP7_GPO, /* Request power-off */
+ MPP8_TW_SDA,
+ MPP9_TW_SCK,
+ MPP10_UART0_TXD,
+ MPP11_UART0_RXD,
+ MPP13_GPIO, /* Rear power switch (on|auto) */
+ MPP14_GPIO, /* USB fuse alarm */
+ MPP15_GPIO, /* Rear power switch (auto|off) */
+ MPP16_GPIO, /* SATA HDD1 power */
+ MPP17_GPIO, /* SATA HDD2 power */
+ MPP20_SATA1_ACTn,
+ MPP21_SATA0_ACTn,
+ MPP24_GPIO, /* USB mode select */
+ MPP26_GPIO, /* USB device vbus */
+ MPP28_GPIO, /* USB enable host vbus */
+ MPP29_GPIO, /* GPIO extension ALE */
+ MPP34_GPIO, /* Rear Push button 0=on 1=off */
+ MPP35_GPIO, /* Inhibit switch power-off */
+ MPP36_GPIO, /* SATA HDD1 presence */
+ MPP37_GPIO, /* SATA HDD2 presence */
+ MPP40_GPIO, /* eSATA presence */
+ MPP44_GPIO, /* GPIO extension (data 0) */
+ MPP45_GPIO, /* GPIO extension (data 1) */
+ MPP46_GPIO, /* GPIO extension (data 2) */
+ MPP47_GPIO, /* GPIO extension (addr 0) */
+ MPP48_GPIO, /* GPIO extension (addr 1) */
+ MPP49_GPIO, /* GPIO extension (addr 2) */
+ 0
+ };
+
+ kirkwood_mpp_conf(kwmpp_config);
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Machine number */
+ gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
+
+ /* Boot parameters address */
+ gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_CMD_I2C
+ if (!getenv("ethaddr")) {
+ ushort version;
+ uchar mac[6];
+ int ret;
+
+ /* I2C-0 for on-board EEPROM */
+ i2c_set_bus_num(0);
+
+ /* Check layout version for EEPROM data */
+ ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
+ CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
+ (uchar *) &version, 2);
+ if (ret != 0) {
+ printf("Error: failed to read I2C EEPROM @%02x\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR);
+ return ret;
+ }
+ version = be16_to_cpu(version);
+ if (version < 1 || version > 3) {
+ printf("Error: unknown version %d for EEPROM data\n",
+ version);
+ return -1;
+ }
+
+ /* Read Ethernet MAC address from EEPROM */
+ ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
+ CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac, 6);
+ if (ret != 0) {
+ printf("Error: failed to read I2C EEPROM @%02x\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR);
+ return ret;
+ }
+ eth_setenv_enetaddr("ethaddr", mac);
+ }
+#endif /* CONFIG_CMD_I2C */
+
+ return 0;
+}
+
+void mv_phy_88e1116_init(char *name)
+{
+ u16 reg;
+ u16 devadr;
+
+ if (miiphy_set_current_dev(name))
+ return;
+
+ /* command to read PHY dev address */
+ if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
+ printf("Err..(%s) could not read PHY dev address\n", __func__);
+ return;
+ }
+
+ /*
+ * Enable RGMII delay on Tx and Rx for CPU port
+ * Ref: sec 4.7.2 of chip datasheet
+ */
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
+ miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
+ reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
+ miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
+
+ /* reset the phy */
+ if (miiphy_read(name, devadr, MII_BMCR, ®) != 0) {
+ printf("Err..(%s) PHY status read failed\n", __func__);
+ return;
+ }
+ if (miiphy_write(name, devadr, MII_BMCR, reg | 0x8000) != 0) {
+ printf("Err..(%s) PHY reset failed\n", __func__);
+ return;
+ }
+
+ debug("88E1116 Initialized on %s\n", name);
+}
+
+/* Configure and initialize PHY */
+void reset_phy(void)
+{
+ mv_phy_88e1116_init("egiga0");
+}
+
+/* Return GPIO push button status */
+static int
+do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
+}
+
+U_BOOT_CMD(button, 1, 1, do_read_push_button,
+ "Return GPIO push button status 0=off 1=on", "");
diff --git a/board/LaCie/net2big_v2/net2big_v2.h b/board/LaCie/net2big_v2/net2big_v2.h
new file mode 100644
index 0000000..bbe67af
--- /dev/null
+++ b/board/LaCie/net2big_v2/net2big_v2.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * Based on Kirkwood support:
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef NET2BIG_V2_H
+#define NET2BIG_V2_H
+
+/* GPIO configuration */
+#define NET2BIG_V2_OE_LOW 0x0600E000
+#define NET2BIG_V2_OE_HIGH 0x00000134
+#define NET2BIG_V2_OE_VAL_LOW 0x10030000
+#define NET2BIG_V2_OE_VAL_HIGH 0x00000000
+
+/* Buttons */
+#define NET2BIG_V2_GPIO_PUSH_BUTTON 34
+
+/* 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)
+
+#endif /* NET2BIG_V2_H */
diff --git a/boards.cfg b/boards.cfg
index d9021aa..d16789b 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -141,6 +141,7 @@
mgcoge3un arm arm926ejs km_arm keymile kirkwood
portl2 arm arm926ejs km_arm keymile kirkwood
inetspace_v2 arm arm926ejs netspace_v2 LaCie kirkwood netspace_v2:INETSPACE_V2
+net2big_v2 arm arm926ejs net2big_v2 LaCie kirkwood
netspace_v2 arm arm926ejs netspace_v2 LaCie kirkwood netspace_v2:NETSPACE_V2
netspace_max_v2 arm arm926ejs netspace_v2 LaCie kirkwood netspace_v2:NETSPACE_MAX_V2
dreamplug arm arm926ejs - Marvell kirkwood
diff --git a/include/configs/net2big_v2.h b/include/configs/net2big_v2.h
new file mode 100644
index 0000000..9cf76d0
--- /dev/null
+++ b/include/configs/net2big_v2.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CONFIG_NET2BIG_V2_H
+#define _CONFIG_NET2BIG_V2_H
+
+/*
+ * Machine number information
+ */
+#define CONFIG_IDENT_STRING " 2Big v2"
+
+/*
+ * High Level Configuration Options (easy to change)
+ */
+#define CONFIG_FEROCEON_88FR131 /* CPU Core subversion */
+#define CONFIG_KIRKWOOD /* SOC Family Name */
+#define CONFIG_KW88F6281 /* SOC Name */
+#define CONFIG_MACH_NET2BIG_V2 /* Machine type */
+#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
+
+/*
+ * Commands configuration
+ */
+#define CONFIG_SYS_NO_FLASH /* Declare no flash (NOR/SPI) */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_ENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_IDE
+#define CONFIG_CMD_USB
+
+/*
+ * Core clock definition.
+ */
+#define CONFIG_SYS_TCLK 166000000 /* 166MHz */
+
+/*
+ * mv-common.h should be defined after CMD configs since it used them
+ * to enable certain macros
+ */
+#define CONFIG_NR_DRAM_BANKS 2
+#include "mv-common.h"
+
+/* Remove or override few declarations from mv-common.h */
+#undef CONFIG_RBTREE
+#undef CONFIG_ENV_SPI_MAX_HZ
+#undef CONFIG_SYS_IDE_MAXBUS
+#undef CONFIG_SYS_IDE_MAXDEVICE
+#undef CONFIG_SYS_PROMPT
+#define CONFIG_ENV_SPI_MAX_HZ 20000000 /* 20Mhz */
+#define CONFIG_SYS_IDE_MAXBUS 1
+#define CONFIG_SYS_IDE_MAXDEVICE 1
+#define CONFIG_SYS_PROMPT "2big2> "
+
+/*
+ * Ethernet Driver configuration
+ */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_MISC_INIT_R /* Call misc_init_r() to initialize MAC address */
+#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */
+#define CONFIG_NETCONSOLE
+#endif
+
+/*
+ * SATA Driver configuration
+ */
+#ifdef CONFIG_MVSATA_IDE
+#define CONFIG_SYS_ATA_IDE0_OFFSET MV_SATA_PORT0_OFFSET
+#define CONFIG_SYS_ATA_IDE1_OFFSET MV_SATA_PORT1_OFFSET
+#endif
+
+/*
+ * Enable GPI0 support
+ */
+#define CONFIG_KIRKWOOD_GPIO
+
+/*
+ * Enable I2C support
+ */
+#ifdef CONFIG_CMD_I2C
+/* I2C EEPROM HT24LC04 (512B - 32 pages of 16 Bytes) */
+#define CONFIG_CMD_EEPROM
+#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* 16-byte page size */
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* 8-bit device address */
+#endif /* CONFIG_CMD_I2C */
+
+/*
+ * File systems support
+ */
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+
+/*
+ * Use the HUSH parser
+ */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+
+/*
+ * Console configuration
+ */
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+
+/*
+ * Enable device tree support
+ */
+#define CONFIG_OF_LIBFDT
+
+/*
+ * Environment variables configurations
+ */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SECT_SIZE 0x10000 /* 64KB */
+#define CONFIG_ENV_SIZE 0x1000 /* 4KB */
+#define CONFIG_ENV_ADDR 0x70000
+#define CONFIG_ENV_OFFSET 0x70000 /* env starts here */
+
+/*
+ * Default environment variables
+ */
+#define CONFIG_BOOTARGS "console=ttyS0,115200"
+
+#define CONFIG_BOOTCOMMAND \
+ "dhcp && run netconsole; " \
+ "if run usbload || run diskload; then bootm; fi"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "stdin=serial\0" \
+ "stdout=serial\0" \
+ "stderr=serial\0" \
+ "bootfile=uImage\0" \
+ "loadaddr=0x800000\0" \
+ "autoload=no\0" \
+ "netconsole=" \
+ "set stdin $stdin,nc; " \
+ "set stdout $stdout,nc; " \
+ "set stderr $stderr,nc;\0" \
+ "diskload=ide reset && " \
+ "ext2load ide 0:1 $loadaddr /boot/$bootfile\0" \
+ "usbload=usb start && " \
+ "fatload usb 0:1 $loadaddr /boot/$bootfile\0"
+
+#endif /* _CONFIG_NET2BIG_V2_H */