Date: Wed, 20 Jan 2016 18:47:33 +0000 (UTC) From: Brooks Davis <brooks@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r294452 - head/share/man/man4 Message-ID: <201601201847.u0KIlXa4070917@repo.freebsd.org>
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Author: brooks Date: Wed Jan 20 18:47:33 2016 New Revision: 294452 URL: https://svnweb.freebsd.org/changeset/base/294452 Log: Add a simple manpage for the cfi(4) and associated cfid(4) drivers. MFC after: 1 week Sponsored by: DARPA, AFRL Added: head/share/man/man4/cfi.4 (contents, props changed) Modified: head/share/man/man4/Makefile Modified: head/share/man/man4/Makefile ============================================================================== --- head/share/man/man4/Makefile Wed Jan 20 18:35:43 2016 (r294451) +++ head/share/man/man4/Makefile Wed Jan 20 18:47:33 2016 (r294452) @@ -94,6 +94,7 @@ MAN= aac.4 \ ${_ccd.4} \ cd.4 \ cdce.4 \ + cfi.4 \ ch.4 \ ciss.4 \ cloudabi.4 \ @@ -592,6 +593,7 @@ MLINKS+=bwn.4 if_bwn.4 MLINKS+=${_bxe.4} ${_if_bxe.4} MLINKS+=cas.4 if_cas.4 MLINKS+=cdce.4 if_cdce.4 +MLINKS+=cfi.4 cfid.4 MLINKS+=cloudabi.4 cloudabi64.4 MLINKS+=crypto.4 cryptodev.4 MLINKS+=cue.4 if_cue.4 Added: head/share/man/man4/cfi.4 ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/man/man4/cfi.4 Wed Jan 20 18:47:33 2016 (r294452) @@ -0,0 +1,94 @@ +.\"- +.\" Copyright (c) 2015-2016 SRI International +.\" All rights reserved. +.\" +.\" This software was developed by SRI International and the University of +.\" Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) +.\" ("CTSRD"), as part of the DARPA CRASH research programme. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd January 20, 2016 +.Dt CFI 4 +.Os +.Sh NAME +.Nm cfi , +.Nm cfid +.Nd driver for Common Flash Interface (CFI) NOR flash +.Sh SYNOPSIS +.Cd "device cfi" +.Cd "device cfid" +.Cd "options CFI_SUPPORT_STRATAFLASH" +.Cd "options CFI_ARMEDANDDANGEROUS" +.Pp +In +.Pa /boot/device.hints : +.Cd hint.cfi.0.at="nexus0" +.Cd hint.cfi.0.maddr=0x74000000 +.Cd hint.cfi.0.msize=0x4000000 +.Pp +In DTS file: +.Cd flash@74000000 { +.Cd " compatible =" Qo cfi-flash Qc ; +.Cd " reg = <0x74000000 0x4000000>;" +.Cd }; +.Sh DESCRIPTION +The +.Nm +device driver provides a management interface to NOR flash devices supporting +the Common Flash Interface (CFI) specification. +Its companion device +.Nm cfid +provides a +.Xr geom 4 +disk interface to the device. +.Pp +Special support for features of the Intel StrataFlash line are available +with the +.Cd CFI_SUPPORT_STRATAFLASH +kernel option. +Additional support for write-once bits to switch part of Intel StrataFlash +devices to read-only can be enabled by the +.Cd CFI_ARMEDANDDANGEROUS +kernel option. +.El +.Sh SEE ALSO +.Xr led 4 +.Sh HISTORY +The +.Nm +device driver first appeared in +.Fx 8.0 . +.Sh AUTHORS +The +.Nm +driver was written by +.An Juniper Networks +with StrataFlash support by +.An Sam Leffler . +This manual page was written by SRI International and the University of +Cambridge Computer Laboratory under DARPA/AFRL contract +.Pq FA8750-10-C-0237 +.Pq Do CTSRD Dc , +as part of the DARPA CRASH research programme.
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