freebsd-skq/sys/arm/conf/SAM9G20EK

# Kernel configuration for Atmel AT91SAM9G20EK Rev B. development card
# Many after-market boards follow its conventions.
#
# 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.
#
# $FreeBSD$

ident		SAM9G20EK

include 	"std.arm"
include 	"../at91/std.sam9g20ek"

#options		FDT
#options 	FDT_DTB_STATIC
#makeoptions	FDT_DTS_FILE=at91sam9g20ek.dts

options 	EARLY_PRINTF
options 	SOCDEV_PA=0xfc000000
options 	SOCDEV_VA=0xdc000000

#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 	SCHED_4BSD		# 4BSD scheduler
options 	INET			# InterNETworking
#options 	INET6			# IPv6 communications protocols
options 	TMPFS			# Efficient memory filesystem
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	# 4MB ram disk
options 	NANDFS			# NAND file system
options 	NFSCL			# Network Filesystem Client
options 	NFSD			# Network Filesystem Server
options 	NFSLOCKD		# Network Lock Manager
#options 	NFS_ROOT		# NFS usable as /, requires NFSCL
#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 	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

# Debugging support.  Always need this:
options 	KDB			# Enable kernel debugger support
options 	DDB			# Enable the kernel debugger
# Always turn these off, even in -current builds, they are too slow.
#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=ate0

# s3 because s1 is reserved for the DOS parittions sometimes needed to
# boot off SD cards on the G20 and newer chips. s2 is reserved for
# nanobsd's config partition. s3 and s4 are for the ping-pong upgrade
# path.
options 	ROOTDEVNAME=\"ufs:/dev/mmcsd0s3a\"

# kernel/memory size reduction
options 	MUTEX_NOINLINE
options 	NO_FFS_SNAPSHOT
options 	NO_SWAPPING
options 	NO_SYSCTL_DESCR
options 	RWLOCK_NOINLINE

# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device		bpf			# Berkeley packet filter

# Ethernet
device		mii			# Minimal MII support
#device		ate			# Atmel AT91 Ethernet driver
#options 	AT91_ATE_USE_RMII
device		macb			# Atmel AT91 Ethernet driver
options 	AT91_MACB_USE_RMII

# I2C
device		at91_twi		# Atmel AT91 Two-wire Interface
device		iic			# I2C generic I/O device driver
device		iicbus			# I2C bus system
device		icee

# MMC/SD
device		at91_mci		# Atmel AT91 Multimedia Card Interface
options 	AT91_MCI_HAS_4WIRE
options 	AT91_MCI_SLOT_B
device		mmc			# MMC/SD bus
device		mmcsd			# MMC/SD memory card

# DataFlash
# NOTE: SPI DataFlash and mci/mmc/mmcsd have hardware
# 	confilict on this card. Use one or the other.
#       see board_sam9g20ek.c
#device		at91_spi		# Atmel AT91 Serial Peripheral Interface
#device		spibus			# SPI bus
#device		at45d			# at45db642 and maybe others

# Pseudo devices.
device		loop			# Network loopback
device		random			# Entropy device
device		ether			# Ethernet support
device		md			# Memory "disks"

# 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)

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

# USB support
device		ohci			# OHCI 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

# watchdog
device		at91_wdt		# Atmel AT91 Watchdog Timer

# NAND Flash - Reference design has Samsung 256MB but others possible
device		nand			# NAND interface on CS3