[U-Boot] [PATCH v3 0/7] tegra: Add NAND flash support

Stephen Warren
2012-04-26T19:20:07Z

On 04/26/2012 12:32 PM, Thierry Reding wrote:
> * Stephen Warren wrote:
>> Yes, I'd recommend not putting information in DT that can be easily
>> extracted from the partition table on the device itself.
>
> The problem is that neither the format of the BCT nor that of the PT is
> documented anywhere. It seems like the BCT contains a reference to where in
> the flash the PT starts but I wasn't able to find out where.

I have filed an internal bug to request this information be added to the
TRM. We will see what happens.

> Actually I'd need more than those three partitions. I need at least five,
> optimally six. In addition to BCT, PT and EBT I need one for the uImage and
> the root filesystem.

Oh I see; you're mingling the boot flash and filesystem into a single
memory device. It simpler (but I imagine more costly) not too:-)

> As I said before, the biggest problem with updating the whole content is that
> there's no documentation about either the BCT or the PT. There's cbootimage
> on gitorious that has some information about the BCT, but it's incomplete.

Out of curiosity, what's missing from cbootimage?