2 # Kernel configuration for Freescale i.MX6 systems.
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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
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
22 include "../freescale/imx/std.imx6"
24 options HZ=500 # Scheduling quantum is 2 milliseconds.
25 options SCHED_ULE # ULE scheduler
26 options PREEMPTION # Enable kernel thread preemption
27 options INET # InterNETworking
28 options INET6 # IPv6 communications protocols
29 options SCTP # Stream Control Transmission Protocol
30 options FFS # Berkeley Fast Filesystem
31 options SOFTUPDATES # Enable FFS soft updates support
32 options UFS_ACL # Support for access control lists
33 options UFS_DIRHASH # Improve performance on big directories
34 options UFS_GJOURNAL # Enable gjournal-based UFS journaling
35 options QUOTA # Enable disk quotas for UFS
36 options NFSCL # New Network Filesystem Client
37 #options NFSD # New Network Filesystem Server
38 options NFSLOCKD # Network Lock Manager
39 options NFS_ROOT # NFS usable as /, requires NFSCL
40 options MSDOSFS # MSDOS Filesystem
41 options CD9660 # ISO 9660 Filesystem
42 options PROCFS # Process filesystem (requires PSEUDOFS)
43 options PSEUDOFS # Pseudo-filesystem framework
44 options TMPFS # Efficient memory filesystem
45 options GEOM_PART_GPT # GUID Partition Tables
46 options GEOM_PART_BSD # BSD partition scheme
47 options GEOM_PART_MBR # MBR partition scheme
48 options GEOM_LABEL # Provides labelization
49 options KTRACE # ktrace(1) support
50 options SYSVSHM # SYSV-style shared memory
51 options SYSVMSG # SYSV-style message queues
52 options SYSVSEM # SYSV-style semaphores
53 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
54 options KBD_INSTALL_CDEV # install a CDEV entry in /dev
55 options INCLUDE_CONFIG_FILE # Include this file in kernel
56 options FREEBSD_BOOT_LOADER # Process metadata passed from loader(8)
57 options VFP # Enable floating point hardware support
58 options SMP # Enable multiple cores
60 # Debugging for use in -current
61 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
62 options KDB # Enable kernel debugger support
63 # For minimum debugger support (stable branch) use:
64 #options KDB_TRACE # Print a stack trace for a panic
65 # For full debugger support use this instead:
66 options DDB # Enable the kernel debugger
67 #options GDB # Support remote GDB.
68 # Other debugging options...
69 options ALT_BREAK_TO_DEBUGGER # Use <CR><tilde><ctrl-b> to enter debugger.
70 #options DEADLKRES # Enable the deadlock resolver
71 #options INVARIANTS # Enable calls of extra sanity checking
72 #options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
73 #options WITNESS # Enable checks to detect deadlocks and cycles
74 #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
77 # NFS root from boopt/dhcp
79 #options BOOTP_NFSROOT
82 #options BOOTP_WIRED_TO=ffec0
84 # U-Boot stuff lives on slice 1, FreeBSD on slice 2.
85 options ROOTDEVNAME=\"ufs:mmcsd0s2a\"
88 device loop # Network loopback
89 device random # Entropy device
90 device vlan # 802.1Q VLAN support
91 device tun # Packet tunnel.
92 device md # Memory "disks"
93 #device faith # IPv6-to-IPv4 relaying (translation)
94 #device gif # IPv6 and IPv4 tunneling
95 #device firmware # firmware assist module
96 device ether # Ethernet support
97 device miibus # Required for ethernet
98 device bpf # Berkeley packet filter (required for DHCP)
100 # General-purpose input/output
104 device uart # Multi-uart driver
107 device sdhci # SD controller
108 device mmc # SD/MMC protocol
109 device mmcsd # SDCard disk device
112 device scbus # SCSI bus (required for ATA/SCSI)
113 device da # Direct Access (disks)
115 device pass # Passthrough device (direct ATA/SCSI access)
118 #options USB_DEBUG # enable debug msgs
119 device ehci # OHCI USB interface
120 device usb # USB Bus (required)
121 device umass # Disks/Mass storage - Requires scbus and da
122 device uhid # "Human Interface Devices"
123 device u3g # USB modems
124 #device ukbd # Allow keyboard like HIDs to control console
125 #device ums # USB mouse
127 # USB Ethernet, requires miibus
128 #device aue # ADMtek USB Ethernet
129 #device axe # ASIX Electronics USB Ethernet
130 #device cdce # Generic USB over Ethernet
131 #device cue # CATC USB Ethernet
132 #device kue # Kawasaki LSI USB Ethernet
133 #device rue # RealTek RTL8150 USB Ethernet
134 #device udav # Davicom DM9601E USB
137 #device rum # Ralink Technology RT2501USB wireless NICs
140 #device wlan # 802.11 support
141 #device wlan_wep # 802.11 WEP support
142 #device wlan_ccmp # 802.11 CCMP support
143 #device wlan_tkip # 802.11 TKIP support
144 #device wlan_amrr # AMRR transmit rate control algorithm
146 # NOTE: serial console will be disabled if syscons enabled
147 # Uncomment following lines for framebuffer/syscons support
148 # Wandboard has no video console support yet.
151 #options SC_DFLT_FONT # compile font in
152 #makeoptions SC_DFLT_FONT=cp437
154 # Flattened Device Tree
155 options FDT # Configure using FDT/DTB data
156 makeoptions MODULES_EXTRA=dtb/imx6
158 # SoC-specific devices
159 device ffec # Freescale Fast Ethernet Controller
160 device fsliic # Freescale i2c/iic
161 device iic # iic protocol
162 device iicbus # iic bus
163 #device imxwdt # Watchdog. WARNING: can't be disabled!!!