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