Remove trailing whitespace.
New sentence, new line. Use more markup.
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@ -1,4 +1,4 @@
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.\" $NetBSD: p5membar.4,v 1.1 2012/01/10 20:41:45 rkujawa Exp $
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.\" $NetBSD: p5membar.4,v 1.2 2012/01/11 10:15:36 wiz Exp $
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.\"
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.\" Copyright (c) 2012 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -38,7 +38,7 @@
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for automatically configured Phase5 PCI bridge
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driver provides support for automatically configured Phase5 PCI bridge
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resources.
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It is needed for proper operation of the
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.Xr p5pb 4
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@ -1,4 +1,4 @@
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.\" $NetBSD: p5pb.4,v 1.5 2012/01/10 20:41:45 rkujawa Exp $
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.\" $NetBSD: p5pb.4,v 1.6 2012/01/11 10:15:36 wiz Exp $
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.\"
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.\" Copyright (c) 2011 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -44,20 +44,26 @@
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The
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.Nm
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driver provides support for the PCI bus present on various devices equipped with
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the Phase5 PCI bridge.
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the Phase5 PCI bridge.
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.Pp
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Processor boards running firmware revision older than 44.69 need a kernel
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configured with P5PB_OLD_FIRMWARE option.
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Processor boards running firmware revision older than 44.69 need a kernel
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configured with the
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.Dv P5PB_OLD_FIRMWARE
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option.
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.Pp
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The
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.Nm
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driver provides necessary support for CyberVisionPPC and BlizzardVisionPPC,
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allowing attachment of
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.Nm
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driver provides necessary support for CyberVisionPPC and BlizzardVisionPPC,
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allowing attachment of
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.Xr genfb 4
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driver.
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Owners of these cards should enable the P5PB_GENFB option.
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driver.
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Owners of these cards should enable the
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.Dv P5PB_GENFB
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option.
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.Pp
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Additional, excessive debugging output is enabled by P5PB_DEBUG option.
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Additional, excessive debugging output is enabled by the
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.Dv P5PB_DEBUG
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option.
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.Sh HARDWARE
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The
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.Nm
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@ -87,17 +93,21 @@ driver was written by
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.An Radoslaw Kujawa Aq radoslaw.kujawa@gmail.com .
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.Sh CAVEATS
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The
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.Nx developers don't have access to G-REX hardware or documentation.
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Support for this device is based on best wishes.
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.Nx
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developers don't have access to G-REX hardware or documentation.
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Support for this device is based on best wishes.
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.Pp
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Support for
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Support for
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.Xr genfb 4
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framebuffer on CVPPC/BVPPC needs more testing.
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.Sh BUGS
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Current version of this driver depends on PCI bus setup and enumeration
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done by the firmware.
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The current version of this driver depends on PCI bus setup and
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enumeration done by the firmware.
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.Pp
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DMA to host memory is not supported. This is a driver limitation.
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DMA to host memory is not supported.
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This is a driver limitation.
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.Pp
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The P5PB_OLD_FIRMWARE option should only be enabled if PCI hardware is
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present. Otherwise kernel panic might occur due to bus error.
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The
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.Dv P5PB_OLD_FIRMWARE
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option should only be enabled if PCI hardware is present.
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Otherwise a kernel panic might occur due to bus error.
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