Hi,
I had posted this sometime back on the TI E2E mailing list. It was
suggested that I post this on the davinci-linux mailing list and get
some recommendation:
We want to have multiple NAND chips on the same EMIF address/data lines
differentiated with chip select. This is using DM6446. Since the
bootloader supports a maximum NAND size of 512MB, we are thinking of a
solution to have two NAND chips. Chip#0 is bootloader compatible, and
Chip#1 (larger size) is on the same address lines but on a different
chip select.
From a driver point of view, the Linux MTD driver should be able to
make the two chips look like a single virtual NAND having the size equal
to the total size of the two chips or whatever mtd partitions the driver
makes. This should be possible by adding the map of the two NAND chips
in the MTD driver. Does this approach sound right ?
There was a similar post (http://community.ti.com/forums/t/2428.aspx)
that seems to be using a similar solution. Any thoughts/pitfalls would
be appreciated.
thanks,
-sid
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