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