Date: Fri, 16 Jan 2009 19:28:25 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r187339 - head/share/man/man4 Message-ID: <200901161928.n0GJSP1F016434@svn.freebsd.org>
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Author: mav Date: Fri Jan 16 19:28:25 2009 New Revision: 187339 URL: http://svn.freebsd.org/changeset/base/187339 Log: Add some information in SYNOPSIS, HARDWARE and BUGS sections. Modified: head/share/man/man4/sdhci.4 Modified: head/share/man/man4/sdhci.4 ============================================================================== --- head/share/man/man4/sdhci.4 Fri Jan 16 19:02:08 2009 (r187338) +++ head/share/man/man4/sdhci.4 Fri Jan 16 19:28:25 2009 (r187339) @@ -24,16 +24,29 @@ .\" .\" $FreeBSD$ .\" -.Dd October 22, 2008 +.Dd January 14, 2009 .Dt SDHCI 4 .Os .Sh NAME .Nm sdhci .Nd PCI SD Host Controller bridge driver .Sh SYNOPSIS -.Cd device mmc -.Cd device mmcsd -.Cd device sdhci +To compile this driver into the kernel, place the following lines in your +kernel configuration file: +.Bd -ragged -offset indent +.Cd "device mmc" +.Cd "device mmcsd" +.Cd "device sdhci" +.Ed +.Pp +Alternatively, to load the driver as a module at boot time, place the +following lines in +.Xr loader.conf 5 : +.Bd -literal -offset indent +mmc_load="YES" +mmcsd_load="YES" +sdhci_load="YES" +.Ed .Sh DESCRIPTION The .Nm @@ -42,6 +55,22 @@ SD Host Controller Specification. Driver supports up to six high speed 4bit MMC/SD slots per controller. Driver attaches mmc bus to the respective slot on card insertion and detaches it on card removing. +.Sh HARDWARE +The +.Nm +driver supports different specification compatible chips. The following +chips have been verified to work: +.Pp +.Bl -bullet -compact +.It +ENE CB712 +.It +ENE CB714 +.It +RICOH R5C822 +.It +TI PCIXX21/XX11 +.El .Sh SEE ALSO .Xr mmc 4 , .Xr mmcsd 4 @@ -50,3 +79,8 @@ detaches it on card removing. .Re .Sh AUTHORS .An Alexander Motin Aq mav@FreeBSD.org . +.Sh BUGS +Many of existing SD controller chips have some nonstandard requirements, +proprietary registers and hardware bugs, requiring additional handling. +ENE chips are handled to work fine, while some revisions of RICOH and TI +controllers still don't see cards without some additional initialization.
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