1.\" Copyright (c) 2017 The FreeBSD Foundation 2.\" All rights reserved. 3.\" 4.\" This documentation was written by Landon Fuller under sponsorship from 5.\" the FreeBSD Foundation. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd October 16, 2017 31.Dt BHND_CHIPC 4 32.Os 33.Sh NAME 34.Nm bhnd_chipc 35.Nd Broadcom Home Networking Division ChipCommon Driver 36.Sh SYNOPSIS 37To compile this driver into the kernel, add this line to the 38kernel configuration file: 39.Bd -ragged -offset indent 40.Cd "device bhnd" 41.Ed 42.Pp 43To compile driver support for all additional devices found in embedded systems, 44add the following additional lines to the kernel configuration file: 45.Bd -ragged -offset indent 46.Cd "device cfi" 47.Cd "device gpio" 48.Cd "device spibus" 49.Cd "device uart" 50.Ed 51.Pp 52To load the driver as a module at boot, add this line to 53.Xr loader.conf 5 : 54.Bd -literal -offset indent 55bhnd_load="YES" 56.Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver supports the ChipCommon core found in Broadcom Home Networking 61Division network chipsets and embedded systems. 62.Pp 63The ChipCommon core provides an interface to common hardware facilities, 64including device identification, UARTs, CFI and SPI flash, One-time Programmable 65(OTP) Memory, and GPIO. 66.Sh SEE ALSO 67.Xr bhnd 4 , 68.Xr intro 4 69.Sh HISTORY 70The 71.Nm 72device driver first appeared in 73.Fx 11.0 . 74.Sh AUTHORS 75.An -nosplit 76The 77.Nm 78driver was written by 79.An Landon Fuller Aq Mt landonf@FreeBSD.org , 80and 81.An Michael Zhilin Aq Mt mizhka@FreeBSD.org . 82