[U-Boot] [PATCH 1/1] NAND Re: mtdparts fails with NAND >= 4GB - Second try

Aaron Williams Aaron.Williams at caviumnetworks.com
Sat Feb 12 09:54:45 CET 2011


On Saturday, February 12, 2011 12:49:24 am Albert ARIBAUD wrote:
> Le 12/02/2011 08:57, Aaron Williams a écrit :
> >> The CFI query is normal for a x16 device: byte address 0xAA is word
> >> address 0x55, which is what is expected from a x16 device in x8 mode as
> >> in x16 mode.
> >> 
> >> Can you try a 'md.b 0x1f400020 20' once in CFI QRY mode?
> >> 
> >> Amicalement,
> > 
> > You  mean like this?
> > 
> > Octeon ebb6300(ram)# mw.b 0x1f400000 0xf0
> > Octeon ebb6300(ram)# mw.b 0x1f400aaa 0xaa
> > Octeon ebb6300(ram)# mw.b 0x1f400555 0x55
> > Octeon ebb6300(ram)# mw.b 0x1f400aaa 0x90
> > Octeon ebb6300(ram)# md.b 0x1f400000 0
> > Octeon ebb6300(ram)# md.b 0x1f400000 1
> > 1f400000: 01    .
> > Octeon ebb6300(ram)# md.b 0x1f400002 1
> > 1f400002: 7e    ~
> > Octeon ebb6300(ram)# md.b 0x1f400004 1
> > 1f400004: 00    .
> > Octeon ebb6300(ram)# md.b 0x1f400005 1
> > 1f400005: 00    .
> > Octeon ebb6300(ram)# md.b 0x1f400006 1
> > 1f400006: 1a    .
> > Octeon ebb6300(ram)# md.b 0x1f400008 1
> > 1f400008: 00    .
> > Octeon ebb6300(ram)# md.b 0x1f40000a 1
> > 1f40000a: 00    .
> > Octeon ebb6300(ram)# mw.b 0x1f400000 0xf0
> > Octeon ebb6300(ram)# mw.b 0x1f4000AA 0x98
> > Octeon ebb6300(ram)# md.b 0x1f400020
> > 1f400020: 51    Q
> > Octeon ebb6300(ram)# md.b 0x1f400022
> > 1f400022: 52    R
> > Octeon ebb6300(ram)# md.b 0x1f400024
> > 1f400024: 59    Y
> > Octeon ebb6300(ram)# md.b 0x1f400026
> > 1f400026: 02    .
> > Octeon ebb6300(ram)# md.b 0x1f400028
> > 1f400028: 00    .
> > 
> > -Aaron
> 
> No, I meant the instruction exactly as I quoted it: 'md.b 0x1f400020 20'
> once in CFI QRY mode, that is:
> 
> 	mw.b 0x1f400000 0xf0
> 	mw.b 0x1f4000AA 0x98
> 	md.b 0x1f400020 20
> 
> Amicalement,
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......      

-Aaron


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