Linked by Thom Holwerda on Fri 13th Jan 2006 23:02 UTC, submitted by Raffaele
Morphos With a delay of a few days, Genesi has released the schematics to its Pegasos Rev.2b5 motherboard. You can download it from here, but you'll need to sign up (free) on Power.org. They even blogged about it, stating: "If you are just along for the ride you can stop reading now. Your challenge: be the best you can be. That is the competition. We are in the human line that stretches behind and beyond us. We all can have a role to play. To participate we have to start within ourselves, find firm footing, and launch into the world around us."
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RE: Only a Schematic
by Raffaele on Sat 14th Jan 2006 22:59 UTC in reply to "Only a Schematic"
Raffaele
Member since:
2005-11-12

Mr Braddock wrote:

>it is the internal firmware or logic that kills
>designers or Open Source driver developers.

This shouldn't be a relevant problem.

Internal firmware of Pegasos motherboard is SMART FIRMWARE, a firmware inspired by OPEN FIRMWARE, and it follows same guidelines.

So it there should be no difficulty to port BSD version of Open Firmware to Open Pegasos layout (since the moment it will be completely made open to public).

Reply Parent Score: 2

RE[2]: Only a Schematic
by jonas.kirilla on Sun 15th Jan 2006 13:05 in reply to "RE: Only a Schematic"
jonas.kirilla Member since:
2005-07-11

Think of it as a kernel with device drivers. It provides a simplified view of hardware, so the bootloader/OS doesn't need to know all the specifics. The firmware, however, does. It's not a monolithic silver bullet.

So, has the firmware been released, complete with board-specific routines for CPU/cache/memory/chipset initialization, disk/network/IO drivers, etc?

The only open OF implementation that I know of is the one released by IBM, for their JS20 blades. (64bit unlike the Pegasos; work needed) It needs those board-specifics implemented, AFAIK.

http://www-128.ibm.com/developerworks/power/library/pa-expert5/?ca=...

I'd be surprised if Genesi could open-source Smart Firmware, as it's not their code, AFAIK, but property of CodeGen. They could probably open their Pegasos-specific Forth/C/asm code, for use with the SLOF, but have/will they?

Reply Parent Score: 1