intro(4)
- NetBSD Manual Pages
INTRO(4) NetBSD/evbarm Kernel Interfaces Manual INTRO(4)
NAME
intro -- introduction to evbarm special files and hardware support
DESCRIPTION
The evbarm port is really a collection of ports of NetBSD to a range of
development and evaluation boards based on the ARM Architecture.
This section describes the supported boards, the special files, related
driver functions, and networking support available in each system. In
this part of the manual, the SYNOPSIS section of each configurable device
gives a sample specification for use in constructing a system description
for the config(1) program. The DIAGNOSTICS section lists messages which
may appear on the console and/or in the system error log
/var/log/messages due to errors in device operation; see syslogd(8) for
more information.
This section contains both devices which may be configured into the sys-
tem and network related information. The networking support is intro-
duced in netintro(4).
SUPPORTED BOARDS
Each supported board requires a custom kernel for that board.
The following boards are currently supported by the evbarm configuration:
Integrator The Integrator/AP development system from ARM Ltd.
Supported processor boards include the CM10200E and
CM920T.
IQ80310 The reference platform for the XScale-based IOP310 I/O
processor from Intel.
IQ80321 The reference platform for the XScale-based IOP321 I/O
processor from Intel.
Npwr The Npwr board, from Team ASA, is based on the IOP310
processor from Intel and targetted at the network-
attached storage space.
IXM1200 The reference platform for the XScale-based IXP1200
Network processor from Intel.
SMDK2410 The reference platform for the ARM920T-based S3C2410
processor from Samsung.
SMDK2800 The reference platform for the ARM920T-based S3C2800
processor from Samsung.
BRH The BRH (Big Red Head) is an evaluation and development
platform from ADI Engineering, based on the XScale-
based I80200 processor
NTNP425B An evaluation and development platform from NOVATEC,
using the XScale-based IXP425 processor.
DBPXA250 An evaluation and development platfrom from Intel,
using the XScale-based PXA250 processor.
DEVICE SUPPORT
This section describes some of the hardware supported on the various
boards. Software support for these devices comes in two forms. A hard-
ware device may be supported with a character or block device driver, or
it may be used within the networking subsystem and have a network
interface driver. Block and character devices are accessed through files
in the file system of a special type; see mknod(8). Network interfaces
are indirectly accessed through the interprocess communication facilities
provided by the system; see socket(2).
A hardware device is identified to the system at configuration time and
the appropriate device or network interface driver is then compiled into
the system. When the resultant system is booted, the autoconfiguration
facilities in the system probe for the device and, if found, enable the
software support for it. If a device does not respond at autoconfigura-
tion time it is not accessible at any time afterwards. To enable a
device which did not autoconfigure, the system must be rebooted.
The autoconfiguration system is described in autoconf(4). A list of the
supported devices is given below.
LIST OF DEVICES
The devices listed below are supported in this incarnation of the system.
Devices are indicated by their functional interface. Not all supported
devices are listed.
On the Integrator:
plcom The PrimeCell PL010 UART.
plrtc The PrimeCell PL030 Real-time Clock
fxp Intel i82559 Ethernet PCI card.
ahc Adaptec aic7880 SCSI controller.
Other PCI based cards may also work, but have not been tested.
On the IQ80310:
fxp On-board Intel i82559 Ethernet
com On-board NS16550-compatible serial ports
Other PCI devices in the PCI expansion slots. On the IQ80321:
wm On-board Intel i82544EI Gigabit Ethernet
com On-board NS16550-compatible serial port
iopaau On-chip Application Accelerator Unit
iopwdog On-chip watchdog timer.
Other devices in the PCI expansion slots.
On Npwr:
wm On-board Intel i82544EI Gigabit Ethernet
siop On-board LSI Logic 53c1010 Ultra160 SCSI
com On-board NS16550-compatible serial port
On the IXM1200:
fxp On-board Intel i82559 Ethernet
nppb On-board Intel i21555 Non-Transparent PCI-PCI Bridge
ixpcom On-chip serial port
On the SMDK2410:
sscom On-chip serial ports
ohci On-chip USB host controller
On the SMDK2800:
sscom On-chip serial ports
sspci On-chip Host-PCI bridge
Other devices in the PCI expansion slots.
On the BRH:
com On-board NS16550-compatible serial ports
fxp On-board i82559 Ethernet controller
Other devices in the PCI expansion slots.
On the NtNP425B:
ixpcom On-chip serial ports
ixpwdog On-chip watchdog timer
Other devices in the PCI/mPCI slot.
On the DBPXA250:
com On-board NS16550-compatible serial port
sm On-board SMC91C96 Ethernet controller
sacc On-board SA-1111 StrongARM companion chip
pckbd PS/2 keyboard
lcd 640x480 LCD
Other devices in the PCMCIA and CF card slots.
SEE ALSO
config(1), autoconf(4)
HISTORY
The evbarm intro appeared in NetBSD 2.0.
NetBSD 5.0.2 September 7, 2003 NetBSD 5.0.2
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