SAM9G20EK revision 302408
1# Kernel configuration for Atmel AT91SAM9G20EK Rev B. development card 2# Many after-market boards follow its conventions. 3# 4# For more information on this file, please read the handbook section on 5# Kernel Configuration Files: 6# 7# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html 8# 9# The handbook is also available locally in /usr/share/doc/handbook 10# if you've installed the doc distribution, otherwise always see the 11# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the 12# latest information. 13# 14# An exhaustive list of options and more detailed explanations of the 15# device lines is also present in the ../../conf/NOTES and NOTES files. 16# If you are in doubt as to the purpose or necessity of a line, check first 17# in NOTES. 18# 19# $FreeBSD: stable/11/sys/arm/conf/SAM9G20EK 292557 2015-12-21 18:27:51Z imp $ 20 21ident SAM9G20EK 22 23include "std.arm" 24include "../at91/std.sam9g20ek" 25 26#options FDT 27#options FDT_DTB_STATIC 28#makeoptions FDT_DTS_FILE=at91sam9g20ek.dts 29 30options EARLY_PRINTF 31options SOCDEV_PA=0xfc000000 32options SOCDEV_VA=0xdc000000 33 34#To statically compile in device wiring instead of /boot/device.hints 35hints "SAM9G20EK.hints" 36makeoptions MODULES_OVERRIDE="" 37 38makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 39 40options SCHED_4BSD # 4BSD scheduler 41options INET # InterNETworking 42#options INET6 # IPv6 communications protocols 43options TMPFS # Efficient memory filesystem 44options FFS # Berkeley Fast Filesystem 45#options SOFTUPDATES # Enable FFS soft updates support 46#options UFS_ACL # Support for access control lists 47#options UFS_DIRHASH # Improve performance on big directories 48#options MD_ROOT # MD is a potential root device 49#options MD_ROOT_SIZE=4096 # 4MB ram disk 50options NANDFS # NAND file system 51options NFSCL # Network Filesystem Client 52options NFSD # Network Filesystem Server 53options NFSLOCKD # Network Lock Manager 54#options NFS_ROOT # NFS usable as /, requires NFSCL 55#options MSDOSFS # MSDOS Filesystem 56#options CD9660 # ISO 9660 Filesystem 57#options PROCFS # Process filesystem (requires PSEUDOFS) 58#options PSEUDOFS # Pseudo-filesystem framework 59options GEOM_PART_BSD # BSD partition scheme 60options GEOM_PART_MBR # MBR partition scheme 61#options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 62#options KTRACE # ktrace(1) support 63options SYSVSHM # SYSV-style shared memory 64options SYSVMSG # SYSV-style message queues 65options SYSVSEM # SYSV-style semaphores 66options _KPOSIX_PRIORITY_SCHEDULING # Posix P1003_1B real-time extensions 67 68# Debugging support. Always need this: 69options KDB # Enable kernel debugger support 70options DDB # Enable the kernel debugger 71# Always turn these off, even in -current builds, they are too slow. 72#options INVARIANTS # Enable calls of extra sanity checking 73#options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 74#options WITNESS # Enable checks to detect deadlocks and cycles 75#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 76#options DIAGNOSTIC 77 78# NFS root from boopt/dhcp 79#options BOOTP 80#options BOOTP_NFSROOT 81#options BOOTP_COMPAT 82#options BOOTP_NFSV3 83#options BOOTP_WIRED_TO=ate0 84 85# s3 because s1 is reserved for the DOS parittions sometimes needed to 86# boot off SD cards on the G20 and newer chips. s2 is reserved for 87# nanobsd's config partition. s3 and s4 are for the ping-pong upgrade 88# path. 89options ROOTDEVNAME=\"ufs:/dev/mmcsd0s3a\" 90 91# kernel/memory size reduction 92options MUTEX_NOINLINE 93options NO_FFS_SNAPSHOT 94options NO_SWAPPING 95options NO_SYSCTL_DESCR 96options RWLOCK_NOINLINE 97 98# The `bpf' device enables the Berkeley Packet Filter. 99# Be aware of the administrative consequences of enabling this! 100# Note that 'bpf' is required for DHCP. 101device bpf # Berkeley packet filter 102 103# Ethernet 104device mii # Minimal MII support 105#device ate # Atmel AT91 Ethernet driver 106#options AT91_ATE_USE_RMII 107device macb # Atmel AT91 Ethernet driver 108options AT91_MACB_USE_RMII 109 110# I2C 111device at91_twi # Atmel AT91 Two-wire Interface 112device iic # I2C generic I/O device driver 113device iicbus # I2C bus system 114device icee 115 116# MMC/SD 117device at91_mci # Atmel AT91 Multimedia Card Interface 118options AT91_MCI_HAS_4WIRE 119options AT91_MCI_SLOT_B 120device mmc # MMC/SD bus 121device mmcsd # MMC/SD memory card 122 123# DataFlash 124# NOTE: SPI DataFlash and mci/mmc/mmcsd have hardware 125# confilict on this card. Use one or the other. 126# see board_sam9g20ek.c 127#device at91_spi # Atmel AT91 Serial Peripheral Interface 128#device spibus # SPI bus 129#device at45d # at45db642 and maybe others 130 131# Pseudo devices. 132device loop # Network loopback 133device random # Entropy device 134device ether # Ethernet support 135device md # Memory "disks" 136 137# SCSI peripherals 138device scbus # SCSI bus (required for ATA/SCSI) 139device da # Direct Access (disks) 140device cd # CD 141device pass # Passthrough device (direct ATA/SCSI access) 142 143# Serial (COM) ports 144device uart # Multi-uart driver 145options ALT_BREAK_TO_DEBUGGER 146 147# USB support 148device ohci # OHCI USB interface 149device usb # USB Bus (required) 150device umass # Disks/Mass storage - Requires scbus and da 151device uhid # "Human Interface Devices" 152#device ulpt # Printer 153#device udbp # USB Double Bulk Pipe devices 154 155# USB Ethernet, requires miibus 156#device miibus 157#device aue # ADMtek USB Ethernet 158#device axe # ASIX Electronics USB Ethernet 159#device cdce # Generic USB over Ethernet 160#device cue # CATC USB Ethernet 161#device kue # Kawasaki LSI USB Ethernet 162#device rue # RealTek RTL8150 USB Ethernet 163#device udav # Davicom DM9601E USB 164 165# USB Wireless 166#device rum # Ralink Technology RT2501USB wireless NICs 167#device uath # Atheros AR5523 wireless NICs 168#device ural # Ralink Technology RT2500USB wireless NICs 169#device zyd # ZyDAS zd1211/zd1211b wireless NICs 170 171# Wireless NIC cards 172#device wlan # 802.11 support 173#device wlan_wep # 802.11 WEP support 174#device wlan_ccmp # 802.11 CCMP support 175#device wlan_tkip # 802.11 TKIP support 176#device wlan_amrr # AMRR transmit rate control algorithm 177 178# watchdog 179device at91_wdt # Atmel AT91 Watchdog Timer 180 181# NAND Flash - Reference design has Samsung 256MB but others possible 182device nand # NAND interface on CS3 183