# $FreeBSD: stable/7/sys/sun4v/conf/NOTES 202247 2010-01-13 21:03:06Z marius $
#
# This file contains machine dependent kernel configuration notes.  For
# machine independent notes, look in /sys/conf/NOTES.


#####################################################################
# CPU OPTIONS

#
# You must specify at least one CPU (the one you intend to run on);
# deleting the specification for CPUs you don't need to use may make
# parts of the system run faster.
# XXX: On the Sparc64, there is only one CPU type
cpu		SUN4V


#####################################################################
# HARDWARE BUS CONFIGURATION

device		ebus
device		isa
device		pci


#####################################################################
# HARDWARE DEVICE CONFIGURATION

#
# Mandatory devices:
#

device		genclock	# Generic clock interface

#
# Optional devices:
#

device		ofw_console	# Open Firmware console device
option 		OFWCONS_POLL_HZ=4 # 20 or more works best on Ultra2


#####################################################################
# Devices we don't want to deal with

nodevice	aha
nodevice	bktr
nodevice	blank_saver
nodevice	bt
nodevice	daemon_saver
nodevice	dpt
nodevice	dragon_saver
nodevice	ep
nodevice	ex
nodevice	fade_saver
nodevice	fdc
nodevice	fire_saver
nodevice	green_saver
nodevice	hwpmc
nodevice	logo_saver
nodevice	pcii
nodevice	ppc
nodevice	rain_saver
nodevice	sc
nodevice	si
nodevice	snake_saver
nodevice	snd_ad1816
nodevice	snd_als4000
nodevice	snd_cmi
nodevice	snd_cs4281
nodevice	snd_csa
nodevice	snd_ds1
nodevice	snd_emu10k1
nodevice	snd_emu10kx
nodevice	snd_ess
nodevice	snd_fm801
nodevice	snd_gusc
nodevice	snd_ich
nodevice	snd_maestro
nodevice	snd_maestro3
nodevice	snd_mss
nodevice	snd_neomagic
nodevice	snd_sb16
nodevice	snd_sb8
nodevice	snd_sbc
nodevice	snd_solo
nodevice	snd_t4dwave
nodevice	snd_uaudio
nodevice	snd_via8233
nodevice	snd_via82c686
nodevice	snd_vibes
nodevice	splash
nodevice	star_saver
nodevice	tnt4882
nodevice	uart
nodevice	ukbd
nodevice	warp_saver
nodevice	wds


#####################################################################
# Options we don't want to deal with

nooption	FDC_DEBUG
nooption	SC_RENDER_DEBUG
nooption	SC_DEBUG_LEVEL
nooption	PPC_DEBUG
nooption	PPC_PROBE_CHIPSET
nooption	SC_NO_SUSPEND_VTYSWITCH
nooption	SC_NO_FONT_LOADING
nooption	SC_KERNEL_CONS_REV_ATTR
nooption	SC_KERNEL_CONS_ATTR
nooption	SC_NORM_REV_ATTR
nooption	SC_NORM_ATTR
nooption	SC_DFLT_FONT
nooption	SC_ALT_MOUSE_IMAGE
nooption	EXT2FS


#####################################################################
# Make options we don't want to deal with

nomakeoption	SC_DFLT_FONT
