config root man

# Kernel configuration for Atmel AT91SAM9G20EK Rev B. development card 
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files. 
# If you are in doubt as to the purpose or necessity of a line, check first 
# in NOTES.
#
# $FreeBSD: release/9.1.0/sys/arm/conf/SAM9G20EK 225482 2011-09-11 17:39:51Z brueffer $

ident		SAM9G20EK

include "../at91/std.sam9g20ek"

#To statically compile in device wiring instead of /boot/device.hints
hints		"SAM9G20EK.hints"
makeoptions	MODULES_OVERRIDE=""

makeoptions	DEBUG=-g		#Build kernel with gdb(1) debug symbols
options 	DDB
options 	KDB

options 	SCHED_4BSD		#4BSD scheduler
options 	INET			#InterNETworking
#options 	INET6			#IPv6 communications protocols
options 	FFS			#Berkeley Fast Filesystem
#options 	SOFTUPDATES		#Enable FFS soft updates support
#options 	UFS_ACL			#Support for access control lists
#options 	UFS_DIRHASH		#Improve performance on big directories
#options 	MD_ROOT			#MD is a potential root device
#options 	MD_ROOT_SIZE=4096	# 3MB ram disk
options 	NFSCL			#New Network Filesystem Client
#options 	NFSD			#New Network Filesystem Server
#options 	NFSLOCKD		#Network Lock Manager
#options 	NFS_ROOT		#NFS usable as /, requires NFSCL
#options 	BOOTP_NFSROOT
#options 	BOOTP
#options 	BOOTP_NFSV3
#options 	BOOTP_WIRED_TO=ate0
#options 	BOOTP_COMPAT

options 	ROOTDEVNAME=\"ufs:/dev/mmcsd0s1a\"

options		ALT_BREAK_TO_DEBUGGER

#options 	MSDOSFS			#MSDOS Filesystem
#options 	CD9660			#ISO 9660 Filesystem
#options 	PROCFS			#Process filesystem (requires PSEUDOFS)
#options 	PSEUDOFS		#Pseudo-filesystem framework
#options 	SCSI_DELAY=5000		#Delay (in ms) before probing SCSI
#options 	KTRACE			#ktrace(1) support
options 	SYSVSHM			#SYSV-style shared memory
options 	SYSVMSG			#SYSV-style message queues
options 	SYSVSEM			#SYSV-style semaphores
options 	_KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
#options 	SYSCTL_OMIT_DESCR
options 	MUTEX_NOINLINE
options 	RWLOCK_NOINLINE
options 	NO_FFS_SNAPSHOT
options 	NO_SWAPPING

# Debugging for use in -current
#options 	INVARIANTS		#Enable calls of extra sanity checking
#options 	INVARIANT_SUPPORT	#Extra sanity checks of internal structures, required by INVARIANTS
#options 	WITNESS			#Enable checks to detect deadlocks and cycles
#options 	WITNESS_SKIPSPIN	#Don't run witness on spinlocks for speed
#options 	DIAGNOSTIC

device		random
device		pty
device		loop
device		bpf
device		ether
device		md

device		uart			# Serial Ports

# Ethernet
device		ate		        # Ethernet Driver	
#device		macb			# Alternate Ethernet driver
device		mii
option 		AT91_ATE_USE_RMII

device		at91_twi		# TWI: Two Wire Interface (EEPROM)
device		at91_wdt		# WDT: Watchdog timer

# NOTE: SPI DataFlash and mci/mmc/mmcsd have hardware 
# 	confilict on this card. Use one or the other.
#       see board_sam9g20ek.c

# SPI: Data Flash 
#device		at91_spi		# SPI:
#device		spibus
#device		at45d			# at45db642 and maybe others

# MMC/SD
device		at91_mci
device		mmc
device		mmcsd
option		AT91_MCI_SLOT_B
option		AT91_MCI_HAS_4WIRE

# iic
device		iic
device		iicbus
device		icee

# SCSI peripherals
device		scbus		# SCSI bus (required for SCSI)
device		da		# Direct Access (disks)
device		cd		# CD
device		pass		# Passthrough device (direct SCSI access)

# USB support
device		ohci		# OHCI localbus->USB interface
device		usb		# USB Bus (required)
device		umass		# Disks/Mass storage - Requires scbus and da
device		uhid		# "Human Interface Devices"
#device		ulpt		# Printer
#device		udbp		# USB Double Bulk Pipe devices

# USB Ethernet, requires miibus
device		miibus
#device		aue		# ADMtek USB Ethernet
#device		axe		# ASIX Electronics USB Ethernet
#device		cdce		# Generic USB over Ethernet
#device		cue		# CATC USB Ethernet
#device		kue		# Kawasaki LSI USB Ethernet
#device		rue		# RealTek RTL8150 USB Ethernet
device		udav		# Davicom DM9601E USB

# USB Wireless
#device		rum		# Ralink Technology RT2501USB wireless NICs
#device		uath		# Atheros AR5523 wireless NICs
#device		ural		# Ralink Technology RT2500USB wireless NICs
#device		zyd		# ZyDAS zd1211/zd1211b wireless NICs

# Wireless NIC cards
#device		wlan		# 802.11 support
#device		wlan_wep	# 802.11 WEP support
#device		wlan_ccmp	# 802.11 CCMP support
#device		wlan_tkip	# 802.11 TKIP support
#device		wlan_amrr	# AMRR transmit rate control algorithm