Hi Pavel,
On Tue, 2015-11-24 at 14:31 +0100, Pavel Machek wrote:
Hi!
So what do I do if I want to boot arria10 from NAND ? UBI and UBIFS won't fit into 256kiB, so I think using SPL might be the sensible thing afterall, since you would be able to use arbitrarily-sized U-Boot.
I hope Chin Liang can chime here, I know that we have support for NAND, but I haven't been part of that task, so I don't know how it's being done.
Finally my email is back online :)
We do have NAND support but not with UBI and UBIFS.
I just hope you're not using raw NAND and just hoping it will work.
HERE:
For this support, user can use U-Boot to load arbitrarily-sized U -Boot that run on SDRAM.
...
One of the nice thing of U-Boot over SPL is the console support and ability to troubleshoot. This is possible with Arria 10 SoC as we have larger OCRAM (256kB vs CV SoC 64kB).
OK, that's not really the point here -- the point is, if you compile enough features into U-Boot, it will be bigger than those 256k. What will you do then ?
You'll compile small U-Boot, and use it to load larger U-Boot, as he said in the mark "HERE" above.
And yes, I guess that makes sense, and yes, we should finally make loading U-Boot from U-Boot oficially supported, at least on Socfpga.
Yup, you got it :) Thanks
Chin Liang
Pavel