# Kernel configuration for Atmel SAM9260-EK eval board
#
# 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/SAM9260EK 296938 2016-03-16 15:31:09Z andrew $

#NO_UNIVERSE

ident		SAM9260EK

include 	"std.arm"
include 	"../at91/std.sam9260ek"

# Coming soon, but not yet
#options 	FDT
#options 	FDT_DTB_STATIC
#makeoptions	FDT_DTS_FILE=sam9260ek.dts

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

# To statically compile in device wiring instead of /boot/device.hints
hints		"SAM9260EK.hints"

#makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
makeoptions	MODULES_OVERRIDE=""

options 	SCHED_4BSD		# 4BSD 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 	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 	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 	SCSI_DELAY=5000		# Delay (in ms) before probing SCSI
options 	KTRACE			# ktrace(1) support
#options 	STACK			# stack(9) 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 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
#options 	HWPMC_HOOKS		# Necessary kernel hooks for hwpmc(4)
#options 	AUDIT			# Security event auditing
#options 	CAPABILITY_MODE		# Capsicum capability mode
#options 	CAPABILITIES		# Capsicum capabilities
#options 	MAC			# TrustedBSD MAC Framework
#options 	INCLUDE_CONFIG_FILE	# Include this file in kernel

# Debugging support.  Always need this:
#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
#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 	MALLOC_DEBUG_MAXZONES=8	# Separate malloc(9) zones

# NFS root from boopt/dhcp
#options 	BOOTP
#options 	BOOTP_NFSROOT
#options 	BOOTP_COMPAT
#options 	BOOTP_NFSV3
#options 	BOOTP_WIRED_TO=macb0

# 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. 9260 doesn't boot off SD, but let's keep things sane.
options 	ROOTDEVNAME=\"ufs:/dev/mmcsd0s3a\"

# Alternatively, boot from a USB card.
#options 	ROOTDEVNAME=\"ufs:/dev/da0s1a\"

# 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		macb			# Atmel AT91 Ethernet driver

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

# MMC/SD
# See comment for DataFlash below
device		at91_mci		# Atmel AT91 Multimedia Card Interface
options 	AT91_MCI_HAS_4WIRE	# 4 wires
options 	AT91_MCI_SLOT_B		# Wired to slot B
device		mmc			# MMC/SD bus
device		mmcsd			# MMC/SD memory card

# DataFlash
# The DataFlash and MMC card are wired together, so we must pick one or the
# other.  This is due to pin mux, and also due to the design of the
# SAM9260EK board.  SLOT A wouldn't have this issue.
#device		at91_spi		# Atmel AT91 Serial Peripheral Interface
#device		spibus			# SPI bus
#device		at45d			# Atmel AT45D
#device		geom_map		# GEOM partition mapping

# Pseudo devices.
device		loop			# Network loopback
device		random			# Entropy device
device		ether			# Ethernet support
#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

# SCSI peripherals
#device		scbus			# SCSI bus (required for ATA/SCSI)
#device		ch			# SCSI media changers
#device		da			# Direct Access (disks)
#device		sa			# Sequential Access (tape etc)
#device		cd			# CD/DVD
#device		pass			# Passthrough device (direct ATA/SCSI access)
#device		ses			# Enclosure Services (SES and SAF-TE)
#device		ctl			# CAM Target Layer

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

# USB support
#options 	USB_DEBUG		# enable debug msgs
#device		ohci			# OHCI USB interface
#device		usb			# USB Bus (required)
#device		umass			# Disks/Mass storage - Requires scbus and da

# watchdog
device		at91_wdt		# Atmel AT91 Watchdog Timer

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

options		NSFBUFS=128
maxusers	32

# Limit IO size
options		NBUF=128

# Don't include the SCSI/CAM strings in the default build
options 	SCSI_NO_SENSE_STRINGS
options 	SCSI_NO_OP_STRINGS

# .. And no sysctl strings
options 	NO_SYSCTL_DESCR

# For small memory footprints
options		VM_KMEM_SIZE_SCALE=1