xref: /freebsd-10-stable/sys/arm/conf/IMX6

# Kernel configuration for Freescale i.MX6 systems.
#
# For more information on this file, please read the config(5) manual page,
# and/or 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: stable/10/sys/arm/conf/IMX6 271746 2014-09-18 08:58:22Z tuexen $

ident		IMX6
include 	"../freescale/imx/std.imx6"

options  	HZ=500			# Scheduling quantum is 2 milliseconds.
options  	SCHED_ULE		# ULE scheduler
options  	PREEMPTION		# Enable kernel thread preemption
options  	INET			# InterNETworking
options  	INET6			# IPv6 communications protocols
options  	SCTP			# Stream Control Transmission Protocol
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  	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
#options  	MD_ROOT			# MD is a potential root device
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 	TMPFS			# Efficient memory filesystem
options  	MSDOSFS			# MSDOS Filesystem
options  	CD9660			# ISO 9660 Filesystem
#options  	PROCFS			# Process filesystem (requires PSEUDOFS)
options  	PSEUDOFS		# Pseudo-filesystem framework
options 	GEOM_PART_BSD		# BSD partition scheme
options 	GEOM_PART_MBR		# MBR partition scheme
options  	GEOM_PART_GPT		# GUID Partition Tables.
options  	GEOM_LABEL		# Provides labelization
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  	INCLUDE_CONFIG_FILE	# Include this file in kernel

# Debugging support.  Always need this:
options  	KDB			# Enable kernel debugger support.
# For minimum debugger support use KDB_TRACE, for interactive use DDB.
#options  	KDB_TRACE		# Print a stack trace for a panic.
options  	DDB			# Support DDB.
# For full debugger support use this instead:
#options  	GDB			# Support remote GDB.
# Other debugging options...
makeoptions  	DEBUG=-g		# Build kernel with gdb(1) debug symbols
options  	ALT_BREAK_TO_DEBUGGER	# Use <CR><tilde><ctrl-b> to enter debugger.
#options  	DEBUG
#options  	DEADLKRES		# Enable the deadlock resolver
#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

# Pseudo devices.
device  	loop			# Network loopback
device  	random			# Entropy device
device  	vlan			# 802.1Q VLAN support
device  	tun			# Packet tunnel.
device  	md			# Memory "disks"
#device  	gif			# IPv6 and IPv4 tunneling
#device  	faith			# IPv6-to-IPv4 relaying (translation)
#device  	firmware		# firmware assist module
device  	ether			# Ethernet support
device  	miibus			# Required for ethernet
device  	bpf			# Berkeley packet filter (required for DHCP)
#device  	iomux			# IO Multiplexor

# Serial (COM) ports
device  	uart			# Multi-uart driver

# SDCard
device  	sdhci			# SD controller
device  	mmc			# SD/MMC protocol
device  	mmcsd			# SDCard disk device

# 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
#options  	USB_DEBUG		# enable debug msgs
device  	ehci			# OHCI USB interface
device  	usb			# USB Bus (required)
device  	umass			# Disks/Mass storage - Requires scbus and da
device  	uhid			# "Human Interface Devices"
device  	u3g			# USB modems
#device  	ukbd			# Allow keyboard like HIDs to control console
#device  	ums			# USB mouse

# USB Ethernet, requires 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

# 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

# NOTE: serial console will be disabled if syscons enabled
# Uncomment following lines for framebuffer/syscons support
# Wandboard has no video console support yet.
#device  	sc
#device  	kbdmux
#options  	SC_DFLT_FONT		# compile font in
#makeoptions  	SC_DFLT_FONT=cp437

# required for netbooting
#options  	BOOTP
#options  	BOOTP_COMPAT
#options  	BOOTP_NFSROOT
#options  	BOOTP_NFSV3
#options  	BOOTP_WIRED_TO=ffec0

# U-Boot stuff lives on slice 1, FreeBSD on slice 2.
options  	ROOTDEVNAME=\"ufs:mmcsd0s2a\"

# ARM and SoC-specific options
options  	FDT			# Configure using FDT/DTB data.
options  	SMP			# Enable multiple cores
options  	VFP			# Enable floating point hardware support
options  	FREEBSD_BOOT_LOADER	# Process metadata passed from loader(8)

# SoC-specific devices
device  	ffec			# Freescale Fast Ethernet Controller
#device  	fsliic			# Freescale i2c/iic (not ready yet)
#device  	iic			# iic protocol
#device  	iicbus			# iic bus
#device  	imxwdt			# Watchdog. WARNING: can't be disabled!!!