HTB(4) | Device Drivers Manual (loongson) | HTB(4)

# NAME

`htb` — PCI host bridge

# SYNOPSIS

`htb* at mainbus0`
`pci* at htb?`

# DESCRIPTION

The `htb` driver provides support for the pci(4) bus on Loongson 3A systems.

# SEE ALSO

mainbus(4), pci(4)

# HISTORY

The `htb` driver first appeared in OpenBSD 6.1.

# BUGS

Add-on cards with a PCI bridge might not be fully functional because the system firmware does not provide complete interrupt routing information.

November 20, 2016 | Debian