You're right: there's no need to do anything in order to make the BBB see and use the whole available memory. It automatically detects the installed memory at boot.
Anyway, I also tryed to change the MLO file using the correct value for CONFIG register: it seems to have no effect at all... Many thanks bye Il giorno venerdì 26 giugno 2015 15:40:17 UTC+2, RobertCNelson ha scritto: > > On Fri, Jun 26, 2015 at 4:04 AM, <[email protected] <javascript:>> > wrote: > > I have a couple of BBB boards (rev. C) where the original 512MB DDR3 > chip > > (Micron MT41K256M16HA-125:E) was removed and replaced with a new one > with > > 1GB capacity (Micron MT41K512M16HA-125:E). > > The only difference between the chips are the number of row address > lines > > (15 for 512MB chip, 16 for 1GB chip). > > In order to have the system to handle the full memory I know I have to > > change the setting of the SDRAM_CONFIG register, reg_rowsize field from > 6 to > > 7. > > I have to change the SDRAM_CONFIG register from the actual 0x61C05332 to > > 0x61C053B2 > > > > I've find the 0x61C05332 constant into the MLO file (there's only one > into > > the file and also it's very close to the other constants used to > initialize > > the other EMIF registers so I'm very confident that it's really it). > > I'm just wondering if I could, simply, directly edit the content of the > MLO > > file... without recompiling all the boot enviroment. > > > > Can this work? or has the MLO file some checksum also? > > > > I don't need a new brick... ;P > > Or just boot with the latest image? > > u-boot should detect the full 1GB.. > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
