diff options
| -rw-r--r-- | sys/conf/NOTES | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 05fcfe9..f822fbc 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -1437,8 +1437,45 @@ hint.sio.0.port="0x3F8" hint.sio.0.flags="0x10" hint.sio.0.irq="4" +# Options for sio: +options CONSPEED=115200 # speed for serial console + # (default 9600) +options COM_ESP #code for Hayes ESP +options COM_MULTIPORT #code for some cards with shared IRQs + +# `flags' specific to sio(4). See below for flags used by both sio(4) and +# uart(4). +# 0x20 force this unit to be the console (unless there is another +# higher priority console). This replaces the COMCONSOLE option. +# 0x40 reserve this unit for low level console operations. Do not +# access the device in any normal way. +# PnP `flags' +# 0x1 disable probing of this device. Used to prevent your modem +# from being attached as a PnP modem. +# Other flags for sio that aren't documented in the man page. +# 0x20000 enable hardware RTS/CTS and larger FIFOs. Only works for +# ST16650A-compatible UARTs. + # -# `flags' for serial drivers that support consoles (only for sio now): +# uart: newbusified driver for serial interfaces. It consolidates the sio(4), +# sab(4) and zs(4) drivers. + +device uart + +# The following hint should only be used for pure ISA devices. It is not +# needed otherwise. Use of hints is strongly discouraged. +hint.uart.0.at="isa" + +# The following 3 hints are used when the UART is a system device (ie console +# or debug port), but only on platforms that don't have any other means to +# pass the information to the kernel. The unit number of the hint is only used +# to bundle the hints together. There's no relation to the unit number of the +# probed UART. +hint.uart.0.port="0x3f8" +hint.uart.0.flags="0x10" +hint.uart.0.baud="115200" + +# `flags' for serial drivers that support consoles like sio(4) and uart(4): # 0x10 enable console support for this unit. The other console flags # are ignored unless this is set. Enabling console support does # not make the unit the preferred console - boot with -h or set @@ -1446,36 +1483,18 @@ hint.sio.0.irq="4" # console support; the first one (in config file order) with # this flag set is preferred. Setting this flag for sio0 gives # the old behaviour. -# 0x20 force this unit to be the console (unless there is another -# higher priority console). This replaces the COMCONSOLE option. -# 0x40 reserve this unit for low level console operations. Do not -# access the device in any normal way. # 0x80 use this port for serial line gdb support in ddb. # -# PnP `flags' -# 0x1 disable probing of this device. Used to prevent your modem -# from being attached as a PnP modem. -# -# Options for serial drivers that support consoles (only for sio now): +# Options for serial drivers that support consoles: options BREAK_TO_DEBUGGER #a BREAK on a comconsole goes to #DDB, if available. -options CONSPEED=115200 # speed for serial console - # (default 9600) # Solaris implements a new BREAK which is initiated by a character # sequence CR ~ ^b which is similar to a familiar pattern used on # Sun servers by the Remote Console. options ALT_BREAK_TO_DEBUGGER -# Options for sio: -options COM_ESP #code for Hayes ESP -options COM_MULTIPORT #code for some cards with shared IRQs - -# Other flags for sio that aren't documented in the man page. -# 0x20000 enable hardware RTS/CTS and larger FIFOs. Only works for -# ST16650A-compatible UARTs. - # PCI Universal Communications driver # Supports various single and multi port PCI serial cards. Maybe later # also the parallel ports on combination serial/parallel cards. New cards |
