hi ian, > The first is that I think the comments in the code may be a bit misleading > (apologies to the original author!) > > AIUI the registers at 0x56 and 0x57 (and 0x5E and 0x5F as well) should be > set to the same value as 0x5D i.e. the DRAM ending address for your highest > populated bank of memory. > > Looking through northbridge/via/vt8623/raminit.inc it looks like 0x56 and > 0x56 are set to 0x10, which I think would equate to 128MB as you are seeing.
hmmm > I think if you possibly remove the references to 0x56 and 0x57 in > northbridge.c (and set the number of banks to 4), then set the values in > raminit.inc to what you want i.e. > > 0x5A = 0x20 > 0x5B = 0x40 > 0x5C = 0x40 > 0x5D = 0x40 > 0x56 = 0x40 > 0x57 = 0x40 > > then the size detect code might just work. > > Of course if your 512MB module actually has two banks of memory then you > might need to add some extra code to initialise the second bank (not sure > about this though. > > I need to get this working for the project I'm working on (as well as > getting banks 2 and 3 going too), all the work which has to be done (regarding this) is almost impossible without the knowledge of the registers. because of that i cannot help much ... i dont want to write wrong code just because of lack of information. > but at the moment I'm trying to get the > VGA working so it might be a few days before I will the time to do some > proper investigation. so we need to wait for you, because it seems that you know how to program the beast :) > Hope this helps anyway as i sayed -- this is not urgent for me. it is just a bit annoying that via (and also other companies) are really slowing down the process of developement. i dont see the point in doing this. any fully working software make the companies, who produce hardware, more famous -> more money. hiding information is not a good way in my opinion. niki _______________________________________________ Linuxbios mailing list [EMAIL PROTECTED] http://www.clustermatic.org/mailman/listinfo/linuxbios

