Re: [U-Boot] Segmented RAM, big userspace.

2011-12-13 Thread Scott Wood
On 12/13/2011 10:08 AM, Sergey Lapin wrote: > It is possible to flash filesystems in parts, but for this to work > these are needed to be properly split. This raises a problem of > bad blocks - writing previous piece might end not where you expect it to > end, but a few blocks later. Hand-handling

Re: [U-Boot] Segmented RAM, big userspace.

2011-12-13 Thread Wolfgang Denk
Dear Sergey Lapin, In message <20111213165113.ga27...@build.ihdev.net> you wrote: > > > > So we could have only 64MB as one piece; Due to u-boot reloaction code we > > > need to have u-boot in first 64MB also. ... > > > > Why would that be the case? > > If we specify memory size as 128MB (gd->ra

Re: [U-Boot] Segmented RAM, big userspace.

2011-12-13 Thread Sergey Lapin
On Tue, Dec 13, 2011 at 05:24:22PM +0100, Wolfgang Denk wrote: > Dear Sergey Lapin, > > In message <20111213160810.ga27...@build.ihdev.net> you wrote: > > > > We have a board, based on s3c2416, with 128MB of RAM > > and 1GB of NAND flash. > > RAM is organized as 2 memory banks with far placed bas

Re: [U-Boot] Segmented RAM, big userspace.

2011-12-13 Thread Wolfgang Denk
Dear Sergey Lapin, In message <20111213160810.ga27...@build.ihdev.net> you wrote: > > We have a board, based on s3c2416, with 128MB of RAM > and 1GB of NAND flash. > RAM is organized as 2 memory banks with far placed bases: > TOP > UNUSED 64MB > 64MB SDRAM > --- 128MB segment base 1 - > UNUSE

[U-Boot] Segmented RAM, big userspace.

2011-12-13 Thread Sergey Lapin
Hi, all! We have a board, based on s3c2416, with 128MB of RAM and 1GB of NAND flash. RAM is organized as 2 memory banks with far placed bases: TOP UNUSED 64MB 64MB SDRAM --- 128MB segment base 1 - UNUSED 64MB 64MB SDRAM -- 128MB segment base 0 -- BOTTOM So we could have only 64MB