some question about NAND partitions with QI

Andy Green andy at
Tue Aug 26 07:37:54 CEST 2008

Hash: SHA1

Somebody in the thread at some point said:
| i am not sure about the nand partitions so i write it down, if i am
| wrong, correct me. thanks.
| is this the final nand partitions with kboot:
|  qi     kboot           backup kernel and rootfs              normal
| kernel and rootfs
|      ^
|       here is cmdline for normal kernel  we can put kboot kernel cmdline
| in qi. like now Andy do.

We can't exactly do the kboot commandline thing because we have a
commandline that changes according to boot source now.  I think we get
away without using this cmdline partition concept.

The partitioning you show is actually the default "no bad blocks"
existing NAND partitioning scheme for simplicity so we can boot GTA02
NAND kernel and rootfs from Qi.  Maybe we think some more and change it
as part of larger decisions around what the backup kernel and rootfs
must do.  But for now you have it right.

| i think we can just let QI know the kboot and the normal kernel in NAND,
| and let kboot do "boot from SD", "boot from NFS" etc.


| i want add some code let QI handle user indication, for choose kboot or
| normal system.
| i can test this use boot from SD or boot from NAND in current QI.

We need to think about how we want to do it, what is your plan?  Hold
down a button?

- -Andy
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