may be you're looking for something like this: http://wiki.openmoko.org/wiki/Image:SimpleComponentDiagram.jpg well it's quite simplified, but i just found that on the wiki..
On 6/5/08, Dale Schumacher <[EMAIL PROTECTED]> wrote: > I've done several searches on the wiki and I can't seem to find any block > diagram of the Freerunner hardware. Is there any such thing? It would sure > help to clarify how all this stuff is connected. > > > ---------- Forwarded message ---------- >> From: Andy Green <[EMAIL PROTECTED]> >> Date: Thu, 05 Jun 2008 09:29:36 +0100 >> Subject: Re: Yummy new CPU/GPU combo > > ... > >> We would rightly deserve to get our asses laughed at if we did that. >> You're likely thinking about the actual SD Card interface is now via the >> Glamo, which has an SD interface poking out of it. WIFI is hooked to >> the CPU SDIO bus and we don't otherwise use these buses. >> >> | If it's connected to the address/data bus, why is it so slow and why >> can't >> | DMA be used to copy data to it? >> >> DMA can be used, I seem to recall someone saying they did something with >> it in Xglamo, but PIO isn't where the problems are coming from. >> >> The Glamo offers normal async memory bus interface which we use, but it >> has a bunch of timing constraints. (There is a synchronous burst bus >> mode that we don't use because the CPU doesn't support it and adding a >> CPLD in there to translate will eat power and doesn't make sense.) >> > _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
