7c2136adbb
this to the cache line size is required to avoid data corruption on armv4 and armv5, and improves performance on armv6, in both cases by avoiding partial cacheline flushes for USB IO. All these configs already exist in 10-stable. A few that don't (and thus can't be MFC'd yet) will be committed separately.
111 lines
3.5 KiB
Plaintext
111 lines
3.5 KiB
Plaintext
# BWCT -- Custom kernel configuration for the AT91RM9200 boards from bwct.de.
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#
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# For more information on this file, please read the handbook section on
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# Kernel Configuration Files:
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#
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# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
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#
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# The handbook is also available locally in /usr/share/doc/handbook
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# if you've installed the doc distribution, otherwise always see the
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# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
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# latest information.
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#
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# An exhaustive list of options and more detailed explanations of the
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# device lines is also present in the ../../conf/NOTES and NOTES files.
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# If you are in doubt as to the purpose or necessity of a line, check first
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# in NOTES.
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#
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# $FreeBSD$
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ident BWCT
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options VERBOSE_INIT_ARM
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include "../at91/std.bwct"
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#To statically compile in device wiring instead of /boot/device.hints
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hints "BWCT.hints"
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makeoptions MODULES_OVERRIDE=""
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#makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
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options DDB
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options KDB
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options BREAK_TO_DEBUGGER
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options ALT_BREAK_TO_DEBUGGER
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options SCHED_4BSD #4BSD scheduler
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options INET #InterNETworking
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#options INET6 #IPv6 communications protocols
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options FFS #Berkeley Fast Filesystem
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options SOFTUPDATES #Enable FFS soft updates support
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#options UFS_ACL #Support for access control lists
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#options UFS_DIRHASH #Improve performance on big directories
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#options MD_ROOT #MD is a potential root device
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#options MD_ROOT_SIZE=4096 # 3MB ram disk
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#options ROOTDEVNAME=\"ufs:md0\"
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#options ROOTDEVNAME=\"ufs:/dev/mmcsd0s1a\"
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options NFSCL #New Network Filesystem Client
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#options NFSD #New Network Filesystem Server
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#options NFSLOCKD #Network Lock Manager
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options NFS_ROOT #NFS usable as /, requires NFSCL
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options BOOTP_NFSROOT
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options BOOTP
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#options MSDOSFS #MSDOS Filesystem
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#options CD9660 #ISO 9660 Filesystem
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#options PROCFS #Process filesystem (requires PSEUDOFS)
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options PSEUDOFS #Pseudo-filesystem framework
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#options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
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#options KTRACE #ktrace(1) support
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options SYSVSHM #SYSV-style shared memory
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options SYSVMSG #SYSV-style message queues
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options SYSVSEM #SYSV-style semaphores
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options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
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#options NO_SYSCTL_DESCR
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options MUTEX_NOINLINE
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options RWLOCK_NOINLINE
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options NO_FFS_SNAPSHOT
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options NO_SWAPPING
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device loop
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device random
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device ether
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device vlan
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device uart
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device ate
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device mii
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device rlswitch
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# Debugging for use in -current
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#options DEADLKRES #Enable the deadlock resolver
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#options INVARIANTS #Enable calls of extra sanity checking
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#options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by INVARIANTS
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#options WITNESS #Enable checks to detect deadlocks and cycles
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#options WITNESS_SKIPSPIN #Don't run witness on spinlocks for speed
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#options DIAGNOSTIC
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device md
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device at91_twi # TWI: Two Wire Interface
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device at91_spi # SPI:
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device at91_ssc
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device at91_mci
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device mmc # mmc/sd bus
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device mmcsd # mmc/sd flash cards
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# iic
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device iic
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device iicbus
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device ds1672 # DS1672 on I2C bus
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#device iicsmb # smb over i2c bridge
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#device smbus # Bus support, required for smb below.
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#device smb
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# SPI bus
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device spibus
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#device at45d # at45db642 and maybe others
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device bpf # Berkeley packet filter
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#options USB_DEBUG
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options USB_HOST_ALIGN=32 # Align usb buffers to cache line size.
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#device ohci
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#device usb
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#device umass # Disks/Mass storage - Requires scbus and da
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