VIA pc2500e

From coreboot

This page describes how to use coreboot on the VIA pc2500e mainboard. It is maintained by Uwe Hermann.

Note that the via/pc2500e code will likely also work for the PC2000, PC2000e+, PC2500, PC2500e+, or PC2500g (though this is untested).

Status

Device/functionality	Status	Comments
CPU
CPU works	OK	VIA Esther processor 1500MHz
L1 cache enabled	OK	CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
L2 cache enabled	OK	CPU: L2 Cache: 128K (64 bytes/line)
L3 cache enabled	N/A
Multiple CPU support	N/A
Multi-core support	N/A
Hardware virtualization	N/A
RAM
EDO	N/A
SDRAM	N/A
SO-DIMM	N/A
DDR	N/A
DDR2	OK	The CN700 code in svn currently only supports one DIMM. The RAM inserted in the second DIMM will not be usable.
DDR3	N/A
Dual channel support	N/A
ECC support	N/A
On-board Hardware
On-board IDE 3.5"	OK	The IDE device names in FILO are hde and hdf (hda, hdb, hdc, hdd are for SATA)!
On-board IDE 2.5"	N/A
On-board SATA	?
On-board SCSI	Unknown
On-board USB	?
On-board VGA	OK	Works fine with the openchrome X.org driver. No VGA BIOS needed, no BOCHS needed!
On-board ethernet	?
On-board audio	OK
On-board modem	?
On-board FireWire	N/A
On-board smartcard reader	N/A
On-board CompactFlash	N/A
On-board PCMCIA	N/A
Add-on slots/cards
ISA add-on cards	N/A
Audio/Modem-Riser (AMR/CNR) cards	Untested	There's a CNR header on the board.
PCI add-on cards	?
Mini-PCI add-on cards	Unknown
PCI-X add-on cards	Unknown
AGP graphics cards	N/A
PCI Express x1 add-on cards	N/A
PCI Express x2 add-on cards	N/A
PCI Express x4 add-on cards	N/A
PCI Express x8 add-on cards	N/A
PCI Express x16 add-on cards	N/A
PCI Express x32 add-on cards	N/A
HTX add-on cards	N/A
Legacy / Super I/O
Floppy	Untested
Serial port 1 (COM1)	OK
Serial port 2 (COM2)	N/A
Parallel port	OK	Doing modprobe ppdev works fine, but further tests were not performed.
PS/2 keyboard	OK
PS/2 mouse	OK
Game port	N/A
Infrared	Untested
PC speaker	OK
DiskOnChip	N/A
Miscellaneous
Sensors / fan control	OK	Works fine using the it87 kernel module.
Hardware watchdog	N/A
SMBus	Unknown
CAN bus	N/A
CPU frequency scaling	?
Other powersaving features	?
ACPI	No	No ACPI support (yet?) for this board.
Reboot	OK
Poweroff	No	Doesn't work yet, probably requires (at least partial) ACPI support.
Nonstandard LEDs	N/A
High precision event timers (HPET)	OK	Using hpet=force on the Linux command line works, but it's unclear whether using the HPET is better or not.
Random number generator (RNG)	OK	Doing modprobe via-rng works fine, further test were not performed, yet.
Wake on modem ring	Untested
Wake on LAN	Untested
Wake on keyboard	Untested
Wake on mouse	Untested
Flashrom	OK	Works fine out of the box with the vendor BIOS as well as with coreboot.

Build tutorial

$ svn co svn://coreboot.org/repos/trunk/coreboot-v2
$ cd coreboot-v2/targets
$ ./buildtarget via/pc2500e
$ cd via/pc2500e/via_pc2500e
$ make -s

The resulting coreboot.rom is your coreboot ROM image you can flash using flashrom.

I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide. In case this is not legally possible: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.