On Saturday, February 12, 2011 02:08:00 am Albert ARIBAUD wrote:
Le 12/02/2011 09:54, Aaron Williams a écrit :
Octeon ebb6300(ram)# mw.b 0x1f400000 0xf0 Octeon ebb6300(ram)# mw.b 0x1f400000 0xf0 Octeon ebb6300(ram)# mw.b 0x1f4000AA 0x98 Octeon ebb6300(ram)# md.b 0x1f400020 20 1f400020: 51 51 52 52 59 59 02 02 00 00 40 40 00 00 00 00 QQRRYY....@@.... 1f400030: 00 00 00 00 00 00 27 27 36 36 00 00 00 00 07 07 ......''66......
This, according to the CFI spec, gives us the proof that the Spansion chip is a x16 device in x8 mode.
Can you now please, based on the knowledge that the device is x16 in x8 mode, go through the CFI detection sequence agin and determine which line exactly fails to work as expected?
-Aaron
Amicalement,
I'll take a look at this next week. The problem with the current code is that it detects the chip width of 8 but a port width of 16 which results in 16-bit writes. This fails for obtaining the manufacturer ID.
-Aaron