Describe the pxammc(4) driver

2 files changed, 44 insertions, 3 deletions

diff --git a/share/man/man4/man4.zaurus/Makefile b/share/man/man4/man4.zaurus/Makefile
index 86b9fe90634..8a527e0e06e 100644
--- a/share/man/man4/man4.zaurus/Makefile
+++ b/share/man/man4/man4.zaurus/Makefile
@@ -1,9 +1,9 @@
-#	$OpenBSD: Makefile,v 1.9 2005/11/17 05:26:31 uwe Exp $
+#	$OpenBSD: Makefile,v 1.10 2007/03/19 00:26:47 uwe Exp $
 
 # TODO: aupxa(eventually) cpu
 MAN=	apm.4 autoconf.4 intro.4 lcd.4 mem.4 pxadmac.4 \
-	pxagpio.4 pxaintc.4 pxaip.4 pxapcic.4 pxaudc.4 saost.4 scoop.4 \
-	zaudio.4 zkbd.4 zrc.4 zssp.4 zts.4
+	pxagpio.4 pxaintc.4 pxaip.4 pxammc.4 pxapcic.4 pxaudc.4 \
+	saost.4 scoop.4 zaudio.4 zkbd.4 zrc.4 zssp.4 zts.4
 
 MLINKS+= mem.4 kmem.4
 MANSUBDIR=zaurus
diff --git a/share/man/man4/man4.zaurus/pxammc.4 b/share/man/man4/man4.zaurus/pxammc.4
new file mode 100644
index 00000000000..6a0284e01d4
--- /dev/null
+++ b/share/man/man4/man4.zaurus/pxammc.4
@@ -0,0 +1,41 @@
+.\" 	$OpenBSD: pxammc.4,v 1.1 2007/03/19 00:26:47 uwe Exp $
+.\"
+.\" Uwe Stuehler, 2007. Public Domain.
+.\"
+.Dd March 19, 2007
+.Dt PXAMMC 4 zaurus
+.Os
+.Sh NAME
+.Nm pxammc
+.Nd MMC/SD/SDIO controller
+.Sh SYNOPSIS
+.Cd "pxammc0 at pxaip?"
+.Cd "sdmmc* at pxammc?"
+.Sh DESCRIPTION
+The
+.Nm
+driver supports the MMC/SD/SDIO controller integrated in PXA255 and
+PXA27x processors.
+.Pp
+The
+.Xr sdmmc 4
+subsystem performs SD/MMC transactions to communicate with whatever
+MMC/SD/SDIO devices are inserted into the card slot.
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr sdmmc 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 4.2 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Uwe Stuehler Aq uwe@openbsd.org .
+.Sh CAVEATS
+To work around a problem stated in an errata for the PXA27x processor
+family, the driver limits the bus frequency to 9.75 MHz instead of the
+theoretically supported maximum frequency of 19.5 MHz.