IMX6 revision 273662 
1# Kernel configuration for Freescale i.MX6 systems.
2#
3# For more information on this file, please read the config(5) manual page,
4# and/or the handbook section on Kernel Configuration Files:
5#
6#    http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
7#
8# The handbook is also available locally in /usr/share/doc/handbook
9# if you've installed the doc distribution, otherwise always see the
10# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
11# latest information.
12#
13# An exhaustive list of options and more detailed explanations of the
14# device lines is also present in the ../../conf/NOTES and NOTES files.
15# If you are in doubt as to the purpose or necessity of a line, check first
16# in NOTES.
17#
18# $FreeBSD: stable/10/sys/arm/conf/IMX6 273662 2014-10-26 02:40:34Z ian $
19
20ident		IMX6
21include 	"../freescale/imx/std.imx6"
22
23options  	HZ=500			# Scheduling quantum is 2 milliseconds.
24options  	SCHED_ULE		# ULE scheduler
25options  	PREEMPTION		# Enable kernel thread preemption
26options  	INET			# InterNETworking
27options  	INET6			# IPv6 communications protocols
28options  	SCTP			# Stream Control Transmission Protocol
29options  	FFS			# Berkeley Fast Filesystem
30options  	SOFTUPDATES		# Enable FFS soft updates support
31options  	UFS_ACL			# Support for access control lists
32options  	UFS_DIRHASH		# Improve performance on big directories
33options  	UFS_GJOURNAL		# Enable gjournal-based UFS journaling
34#options  	MD_ROOT			# MD is a potential root device
35options  	NFSCL			# New Network Filesystem Client
36#options  	NFSD			# New Network Filesystem Server
37options  	NFSLOCKD		# Network Lock Manager
38options  	NFS_ROOT		# NFS usable as /, requires NFSCL
39options 	TMPFS			# Efficient memory filesystem
40options  	MSDOSFS			# MSDOS Filesystem
41options  	CD9660			# ISO 9660 Filesystem
42#options  	PROCFS			# Process filesystem (requires PSEUDOFS)
43options  	PSEUDOFS		# Pseudo-filesystem framework
44options 	GEOM_PART_BSD		# BSD partition scheme
45options 	GEOM_PART_MBR		# MBR partition scheme
46options  	GEOM_PART_GPT		# GUID Partition Tables.
47options  	GEOM_LABEL		# Provides labelization
48options  	KTRACE			# ktrace(1) support
49options  	SYSVSHM			# SYSV-style shared memory
50options  	SYSVMSG			# SYSV-style message queues
51options  	SYSVSEM			# SYSV-style semaphores
52options  	_KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
53options  	INCLUDE_CONFIG_FILE	# Include this file in kernel
54
55# Debugging support.  Always need this:
56options  	KDB			# Enable kernel debugger support.
57# For minimum debugger support use KDB_TRACE, for interactive use DDB.
58#options  	KDB_TRACE		# Print a stack trace for a panic.
59options  	DDB			# Support DDB.
60# For full debugger support use this instead:
61#options  	GDB			# Support remote GDB.
62# Other debugging options...
63makeoptions  	DEBUG=-g		# Build kernel with gdb(1) debug symbols
64options  	ALT_BREAK_TO_DEBUGGER	# Use <CR><tilde><ctrl-b> to enter debugger.
65#options  	DEBUG
66#options  	DEADLKRES		# Enable the deadlock resolver
67#options  	INVARIANTS		# Enable calls of extra sanity checking
68#options  	INVARIANT_SUPPORT	# Extra sanity checks of internal structures, required by INVARIANTS
69#options  	WITNESS			# Enable checks to detect deadlocks and cycles
70
71# Pseudo devices.
72device  	loop			# Network loopback
73device  	random			# Entropy device
74device  	vlan			# 802.1Q VLAN support
75device  	tun			# Packet tunnel.
76device  	md			# Memory "disks"
77#device  	gif			# IPv6 and IPv4 tunneling
78#device  	faith			# IPv6-to-IPv4 relaying (translation)
79#device  	firmware		# firmware assist module
80device  	ether			# Ethernet support
81device  	miibus			# Required for ethernet
82device  	bpf			# Berkeley packet filter (required for DHCP)
83#device  	iomux			# IO Multiplexor
84
85# General-purpose input/output
86device  	gpio
87
88# Serial (COM) ports
89device  	uart			# Multi-uart driver
90
91# SDCard
92device  	sdhci			# SD controller
93device  	mmc			# SD/MMC protocol
94device  	mmcsd			# SDCard disk device
95
96# SCSI peripherals
97device  	scbus			# SCSI bus (required for SCSI)
98device  	da			# Direct Access (disks)
99device  	cd			# CD
100device  	pass			# Passthrough device (direct SCSI access)
101
102# USB support
103#options  	USB_DEBUG		# enable debug msgs
104device  	ehci			# OHCI USB interface
105device  	usb			# USB Bus (required)
106device  	umass			# Disks/Mass storage - Requires scbus and da
107device  	uhid			# "Human Interface Devices"
108device  	u3g			# USB modems
109#device  	ukbd			# Allow keyboard like HIDs to control console
110#device  	ums			# USB mouse
111
112# USB Ethernet, requires miibus
113#device  	aue			# ADMtek USB Ethernet
114#device  	axe			# ASIX Electronics USB Ethernet
115#device  	cdce			# Generic USB over Ethernet
116#device  	cue			# CATC USB Ethernet
117#device  	kue			# Kawasaki LSI USB Ethernet
118#device  	rue			# RealTek RTL8150 USB Ethernet
119#device  	udav			# Davicom DM9601E USB
120
121# USB Wireless
122#device  	rum			# Ralink Technology RT2501USB wireless NICs
123
124# Wireless NIC cards
125#device  	wlan			# 802.11 support
126#device  	wlan_wep		# 802.11 WEP support
127#device  	wlan_ccmp		# 802.11 CCMP support
128#device  	wlan_tkip		# 802.11 TKIP support
129#device  	wlan_amrr		# AMRR transmit rate control algorithm
130
131# NOTE: serial console will be disabled if syscons enabled
132# Uncomment following lines for framebuffer/syscons support
133# Wandboard has no video console support yet.
134#device  	sc
135#device  	kbdmux
136#options  	SC_DFLT_FONT		# compile font in
137#makeoptions  	SC_DFLT_FONT=cp437
138
139# required for netbooting
140#options  	BOOTP
141#options  	BOOTP_COMPAT
142#options  	BOOTP_NFSROOT
143#options  	BOOTP_NFSV3
144#options  	BOOTP_WIRED_TO=ffec0
145
146# U-Boot stuff lives on slice 1, FreeBSD on slice 2.
147options  	ROOTDEVNAME=\"ufs:mmcsd0s2a\"
148
149# ARM and SoC-specific options
150options  	FDT			# Configure using FDT/DTB data.
151options  	SMP			# Enable multiple cores
152options  	VFP			# Enable floating point hardware support
153options  	FREEBSD_BOOT_LOADER	# Process metadata passed from loader(8)
154
155# SoC-specific devices
156device  	ffec			# Freescale Fast Ethernet Controller
157device  	fsliic			# Freescale i2c/iic
158device  	iic			# iic protocol
159device  	iicbus			# iic bus
160#device  	imxwdt			# Watchdog. WARNING: can't be disabled!!!
161
162