xref: /freebsd-11-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: head/sys/arm/conf/IMX6 289537 2015-10-18 19:54:11Z ian $

ident		IMX6
include 	"std.armv6"
include 	"../freescale/imx/std.imx6"

options 	ARM_INTRNG

options 	SOC_IMX6

options 	HZ=500			# Scheduling quantum is 2 milliseconds.
options 	SCHED_ULE		# ULE scheduler
#options 	NFSD			# Network Filesystem Server
options 	INCLUDE_CONFIG_FILE	# Include this file in kernel
options 	PLATFORM
options 	SMP			# Enable multiple cores

# Debugging for use in -current
makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
options 	KDB			# Enable kernel debugger support
# For minimum debugger support (stable branch) use:
#options 	KDB_TRACE		# Print a stack trace for a panic
# For full debugger support use this instead:
options 	DDB			# Enable the kernel debugger
#options 	GDB			# Support remote GDB.
# Other debugging options...
options 	ALT_BREAK_TO_DEBUGGER	# Use <CR><tilde><ctrl-b> to enter debugger.
#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
#options 	WITNESS_SKIPSPIN	# Don't run witness on spinlocks for speed
#options 	DIAGNOSTIC

# NFS root from boopt/dhcp
#options 	BOOTP
#options 	BOOTP_NFSROOT
#options 	BOOTP_COMPAT
#options 	BOOTP_NFSV3
#options 	BOOTP_WIRED_TO=ffec0

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

# Interrupt controller
device		gic

# 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		firmware		# firmware assist module
device		ether			# Ethernet support
device		miibus			# Required for ethernet
device	 	bpf			# Berkeley packet filter (required for DHCP)

# General-purpose input/output
device		gpio

# 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 ATA/SCSI)
device		da			# Direct Access (disks)
device		cd			# CD
device		pass			# Passthrough device (direct ATA/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

# Flattened Device Tree
options 	FDT			# Configure using FDT/DTB data
makeoptions	MODULES_EXTRA=dtb/imx6

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