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.Dd October 16, 2017 28.Dt BHND_CHIPC 4 29.Os 30.Sh NAME 31.Nm bhnd_chipc 32.Nd Broadcom Home Networking Division ChipCommon Driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, add this line to the 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device bhnd" 38.Ed 39.Pp 40To compile driver support for all additional devices found in embedded systems, 41add the following additional lines to the kernel configuration file: 42.Bd -ragged -offset indent 43.Cd "device cfi" 44.Cd "device gpio" 45.Cd "device spibus" 46.Cd "device uart" 47.Ed 48.Pp 49To load the driver as a module at boot, add this line to 50.Xr loader.conf 5 : 51.Bd -literal -offset indent 52bhnd_load="YES" 53.Ed 54.Sh DESCRIPTION 55The 56.Nm 57driver supports the ChipCommon core found in Broadcom Home Networking 58Division network chipsets and embedded systems. 59.Pp 60The ChipCommon core provides an interface to common hardware facilities, 61including device identification, UARTs, CFI and SPI flash, One-time Programmable 62(OTP) Memory, and GPIO. 63.Sh SEE ALSO 64.Xr bhnd 4 , 65.Xr intro 4 66.Sh HISTORY 67The 68.Nm 69device driver first appeared in 70.Fx 11.0 . 71.Sh AUTHORS 72.An -nosplit 73The 74.Nm 75driver was written by 76.An Landon Fuller Aq Mt landonf@FreeBSD.org , 77and 78.An Michael Zhilin Aq Mt mizhka@FreeBSD.org . 79