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(Framework page for VIA EPIA-CN board.)
 
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This page describes how to use coreboot on the '''VIA EPIA-CN''' mainboard.
This page describes how to use coreboot on the '''VIA EPIA-CN''' mainboard.
The irq table in CN is from VIA. You may need to run getpir to generate your own irq table.
This page is a work in progress.
VIA EPIA CN13000G<br>
VIA EPIA CN10000EG
The earlier versions of the Epia-CN use a Winbond Super I/O vs the VIA in the later versions.


== Status ==
== Status ==
Line 5: Line 14:
{{Status|
{{Status|


|CPU_status =  
|CPU_status = OK
|CPU_comments =  
|CPU_comments =  
|CPU_L1_status =  
|CPU_L1_status = OK
|CPU_L1_comments =  
|CPU_L1_comments = Always on
|CPU_L2_status =  
|CPU_L2_status = OK
|CPU_L2_comments =  
|CPU_L2_comments =Always on
|CPU_L3_status = N/A
|CPU_L3_status = N/A
|CPU_multiple_status = N/A
|CPU_multiple_status = N/A
Line 18: Line 27:
|RAM_EDO_status = N/A
|RAM_EDO_status = N/A
|RAM_SDRAM_status = N/A
|RAM_SDRAM_status = N/A
|RAM_SODIMM_status = ?
|RAM_SODIMM_status = N/A
|RAM_DDR_status = ?
|RAM_DDR_status = N/A
|RAM_DDR2_status = ?
|RAM_DDR2_status = OK
|RAM_DDR3_status = N/A
|RAM_DDR3_status = N/A
|RAM_dualchannel_status = ?
|RAM_dualchannel_status = N/A
|RAM_ecc_status = ?
|RAM_ecc_status = N/A


|IDE_status =  
|IDE_status = OK
|IDE_comments =  
|IDE_comments =
|IDE_CF_status =  
|IDE_CF_status = OK
|IDE_CF_comments =  
|IDE_CF_comments =  
|IDE_25_status = N/A
|IDE_25_status = OK
|CDROM_DVD_status =  
|IDE_CF_comments = OK using adapter
|CDROM_DVD_status = OK
|CDROM_DVD_comments =  
|CDROM_DVD_comments =  
|SATA_status = No
|SATA_status = OK
|SATA_comments = Doesn't work, yet.
|SATA_comments =
|USB_status =  
|USB_status = OK
|USB_comments =  
|USB_comments = UHCI and EHCI
|Onboard_VGA_status = Untested
|Onboard_VGA_status = OK
|Onboard_ethernet_status =  
|Onboard_VGA_comments = Openchrome works without vgabios or bochs
|Onboard_audio_status =  
|Onboard_ethernet_status = OK
|Onboard_modem_status = ?
|Onboard_audio_status = OK
|Onboard_firewire_status = ?
|Onboard_modem_status = N/A
|Onboard_firewire_status = N/A
|Smartcard_status = N/A
|Smartcard_status = N/A
|Onboard_CF_status = ?
|Onboard_CF_status = N/A
|Onboard_PCMCIA_status = ?
|Onboard_PCMCIA_status = N/A


|ISA_cards_status = N/A
|ISA_cards_status = N/A
|AMR_cards_status = N/A
|AMR_cards_status = N/A
|AGP_cards_status = ?
|AGP_cards_status = N/A
|PCI_cards_status = ?
|PCI_cards_status = OK
|PCI_cards_comments =  
|PCI_cards_comments =
|PCIE_x1_status = ?
|PCIE_x1_status = N/A
|PCIE_x1_comments = ?
|PCIE_x1_comments =  
|PCIE_x2_status = N/A
|PCIE_x2_status = N/A
|PCIE_x4_status = N/A
|PCIE_x4_status = N/A
|PCIE_x8_status = N/A
|PCIE_x8_status = N/A
|PCIE_x16_status = ?
|PCIE_x16_status = N/A
|PCIE_x16_comments = ?
|PCIE_x16_comments =  
|PCIE_x32_status = N/A
|PCIE_x32_status = N/A
|HTX_status = N/A
|HTX_status = N/A


|Floppy_status = ?
|Floppy_status = N/A
|Floppy_comments =  
|Floppy_comments =  
|COM1_status =  
|COM1_status = OK
|COM2_status =  
|COM2_status = Not tested
|PP_status =  
|PP_status = Not tested
|PP_comments =  
|PP_comments =  
|PS2_keyboard_status =  
|PS2_keyboard_status = OK
|PS2_mouse_status =  
|PS2_mouse_status = OK
|Game_port_status = ?
|Game_port_status = N/A
|Game_port_comments =  
|Game_port_comments =  
|IR_status = ?
|IR_status = Not tested
|Speaker_status = ?
|Speaker_status = OK
|DiskOnChip_status = ?
|DiskOnChip_status = NA


|Sensors_status = ?
|Sensors_status = Not tested
|Sensors_comments =  
|Sensors_comments =  
|Watchdog_status = ?
|Watchdog_status = OK
|Watchdog_comments =  
|Watchdog_comments =  
|CAN_bus_status = N/A
|CAN_bus_status = N/A
|CPUfreq_status = ?
|CPUfreq_status = OK
|CPUfreq_comments =  
|CPUfreq_comments =  
|Powersave_status = N/A
|Powersave_status = N/A
|ACPI_status = ?
|ACPI_status = Not Yet
|ACPI_comments =  
|ACPI_comments =  
|Reboot_status =  
|Reboot_status = OK
|Poweroff_status =  
|Poweroff_status =  
|LEDs_status = N/A
|LEDs_status = OK
|LEDs_comments =  
|LEDs_comments =  
|HPET_status = ?
|HPET_status = Not tested
|HPET_comments =  
|HPET_comments =  
|RNG_status = N/A
|RNG_status = N/A
|WakeOnModem_status = Untested
|WakeOnModem_status = N/A
|WakeOnLAN_status = Untested
|WakeOnLAN_status = Untested
|WakeOnKeyboard_status = Untested
|WakeOnKeyboard_status = Untested
|WakeOnMouse_status = Untested
|WakeOnMouse_status = Untested
|Flashrom_status =  
|Flashrom_status = OK
|Flashrom_comments =  
|Flashrom_comments = SST 512KB, 1MB, 2MB, PMC 512KB


}}
}}
Use this to extract the vgabios from the factory BIOS:<br>
$ dd if=/dev/mem of=video.bios.bin.4 bs=65536 count=1 skip=12
Ubuntu 8.04 openchrome drivers support X without the need for bochs or vgabios. viafb support as a payload is in the works.
== See also ==
* http://www.coreboot.org/pipermail/coreboot/2008-February/030101.html (old status post)
* http://www.coreboot.org/pipermail/coreboot/2008-May/034736.html (new patch which got committed later)


{{PD-self}}
{{PD-self}}

Latest revision as of 04:02, 19 January 2014

This page describes how to use coreboot on the VIA EPIA-CN mainboard.

The irq table in CN is from VIA. You may need to run getpir to generate your own irq table.

This page is a work in progress.

VIA EPIA CN13000G
VIA EPIA CN10000EG

The earlier versions of the Epia-CN use a Winbond Super I/O vs the VIA in the later versions.

Status

Device/functionality Status Comments
CPU
CPU works OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
L1 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Always on
L2 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Always on
L3 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Multiple CPU support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Multi-core support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Hardware virtualization OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
RAM
EDO OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
SDRAM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
SO-DIMM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
DDR OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
DDR2 OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
DDR3 OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Dual channel support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
ECC support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Hardware
On-board IDE 3.5" OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board IDE 2.5" OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board SATA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board SCSI OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board USB OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK UHCI and EHCI
On-board VGA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Openchrome works without vgabios or bochs
On-board Ethernet OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board Audio OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board Modem OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board FireWire OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Smartcard reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board CompactFlash OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board PCMCIA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Wifi OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Bluetooth OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board SD card reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Add-on slots/cards
ISA add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Audio/Modem-Riser (AMR/CNR) cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Mini-PCI add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Mini-PCI-Express add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
PCI-X add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
AGP graphics cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x1 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x2 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x4 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x8 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x16 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x32 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
HTX add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Legacy / Super I/O
Floppy OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Serial port 1 (COM1) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Serial port 2 (COM2) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not tested
Parallel port OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not tested
PS/2 keyboard OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
PS/2 mouse OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Game port OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Infrared OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not tested
PC speaker OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
DiskOnChip OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | NA
Input
Trackpoint OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Touchpad OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Fn Hotkeys OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Fingerprint Reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Laptop
Docking VGA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking LAN OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking USB OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking Audio OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking Displayport OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Thinklight OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Webcam OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Miscellaneous
Sensors / fan control OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not tested
Hardware watchdog OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
SMBus OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
CAN bus OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
CPU frequency scaling OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Other powersaving features OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
ACPI OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not Yet
Reboot OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Poweroff OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" |
Suspend OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Nonstandard LEDs OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
High precision event timers (HPET) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Not tested
Random number generator (RNG) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Wake on modem ring OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Wake on LAN OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Untested
Wake on keyboard OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Untested
Wake on mouse OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Untested
TPM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Flashrom OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK SST 512KB, 1MB, 2MB, PMC 512KB

Use this to extract the vgabios from the factory BIOS:

$ dd if=/dev/mem of=video.bios.bin.4 bs=65536 count=1 skip=12

Ubuntu 8.04 openchrome drivers support X without the need for bochs or vgabios. viafb support as a payload is in the works.

See also


Public domain 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.

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