IMX6 revision 282499
1# 2# Kernel configuration for Freescale i.MX6 systems. 3# 4# For more information on this file, please read the config(5) manual page, 5# and/or the handbook section on 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: head/sys/arm/conf/IMX6 282499 2015-05-05 16:09:25Z ian $ 20 21ident IMX6 22include "std.armv6" 23include "../freescale/imx/std.imx6" 24 25options SOC_IMX6 26 27options HZ=500 # Scheduling quantum is 2 milliseconds. 28options SCHED_ULE # ULE scheduler 29options PREEMPTION # Enable kernel thread preemption 30options INET # InterNETworking 31options INET6 # IPv6 communications protocols 32options SCTP # Stream Control Transmission Protocol 33options FFS # Berkeley Fast Filesystem 34options SOFTUPDATES # Enable FFS soft updates support 35options UFS_ACL # Support for access control lists 36options UFS_DIRHASH # Improve performance on big directories 37options UFS_GJOURNAL # Enable gjournal-based UFS journaling 38options QUOTA # Enable disk quotas for UFS 39options NFSCL # Network Filesystem Client 40#options NFSD # Network Filesystem Server 41options NFSLOCKD # Network Lock Manager 42options NFS_ROOT # NFS usable as /, requires NFSCL 43options MSDOSFS # MSDOS Filesystem 44options CD9660 # ISO 9660 Filesystem 45options PROCFS # Process filesystem (requires PSEUDOFS) 46options PSEUDOFS # Pseudo-filesystem framework 47options TMPFS # Efficient memory filesystem 48options GEOM_PART_GPT # GUID Partition Tables 49options GEOM_PART_BSD # BSD partition scheme 50options GEOM_PART_MBR # MBR partition scheme 51options GEOM_LABEL # Provides labelization 52options KTRACE # ktrace(1) support 53options SYSVSHM # SYSV-style shared memory 54options SYSVMSG # SYSV-style message queues 55options SYSVSEM # SYSV-style semaphores 56options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 57options KBD_INSTALL_CDEV # install a CDEV entry in /dev 58options INCLUDE_CONFIG_FILE # Include this file in kernel 59options PLATFORM 60options FREEBSD_BOOT_LOADER # Process metadata passed from loader(8) 61options VFP # Enable floating point hardware support 62options SMP # Enable multiple cores 63 64# Debugging for use in -current 65makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 66options KDB # Enable kernel debugger support 67# For minimum debugger support (stable branch) use: 68#options KDB_TRACE # Print a stack trace for a panic 69# For full debugger support use this instead: 70options DDB # Enable the kernel debugger 71#options GDB # Support remote GDB. 72# Other debugging options... 73options ALT_BREAK_TO_DEBUGGER # Use <CR><tilde><ctrl-b> to enter debugger. 74#options DEADLKRES # Enable the deadlock resolver 75#options INVARIANTS # Enable calls of extra sanity checking 76#options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 77#options WITNESS # Enable checks to detect deadlocks and cycles 78#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 79#options DIAGNOSTIC 80 81# NFS root from boopt/dhcp 82#options BOOTP 83#options BOOTP_NFSROOT 84#options BOOTP_COMPAT 85#options BOOTP_NFSV3 86#options BOOTP_WIRED_TO=ffec0 87 88# U-Boot stuff lives on slice 1, FreeBSD on slice 2. 89options ROOTDEVNAME=\"ufs:mmcsd0s2a\" 90 91# Pseudo devices. 92device loop # Network loopback 93device random # Entropy device 94device vlan # 802.1Q VLAN support 95device tun # Packet tunnel. 96device md # Memory "disks" 97#device gif # IPv6 and IPv4 tunneling 98#device firmware # firmware assist module 99device ether # Ethernet support 100device miibus # Required for ethernet 101device bpf # Berkeley packet filter (required for DHCP) 102 103# General-purpose input/output 104device gpio 105 106# Serial (COM) ports 107device uart # Multi-uart driver 108 109# SDCard 110device sdhci # SD controller 111device mmc # SD/MMC protocol 112device mmcsd # SDCard disk device 113 114# SCSI peripherals 115device scbus # SCSI bus (required for ATA/SCSI) 116device da # Direct Access (disks) 117device cd # CD 118device pass # Passthrough device (direct ATA/SCSI access) 119 120# USB support 121#options USB_DEBUG # enable debug msgs 122device ehci # OHCI USB interface 123device usb # USB Bus (required) 124device umass # Disks/Mass storage - Requires scbus and da 125device uhid # "Human Interface Devices" 126device u3g # USB modems 127#device ukbd # Allow keyboard like HIDs to control console 128#device ums # USB mouse 129 130# USB Ethernet, requires miibus 131#device aue # ADMtek USB Ethernet 132#device axe # ASIX Electronics USB Ethernet 133#device cdce # Generic USB over Ethernet 134#device cue # CATC USB Ethernet 135#device kue # Kawasaki LSI USB Ethernet 136#device rue # RealTek RTL8150 USB Ethernet 137#device udav # Davicom DM9601E USB 138 139# USB Wireless 140#device rum # Ralink Technology RT2501USB wireless NICs 141 142# Wireless NIC cards 143#device wlan # 802.11 support 144#device wlan_wep # 802.11 WEP support 145#device wlan_ccmp # 802.11 CCMP support 146#device wlan_tkip # 802.11 TKIP support 147#device wlan_amrr # AMRR transmit rate control algorithm 148 149# NOTE: serial console will be disabled if syscons enabled 150# Uncomment following lines for framebuffer/syscons support 151# Wandboard has no video console support yet. 152#device sc 153#device kbdmux 154#options SC_DFLT_FONT # compile font in 155#makeoptions SC_DFLT_FONT=cp437 156 157# Flattened Device Tree 158options FDT # Configure using FDT/DTB data 159makeoptions MODULES_EXTRA=dtb/imx6 160 161# SoC-specific devices 162device ffec # Freescale Fast Ethernet Controller 163device fsliic # Freescale i2c/iic 164device iic # iic protocol 165device iicbus # iic bus 166#device imxwdt # Watchdog. WARNING: can't be disabled!!! 167 168