imx35_nand driver

[Sascha Hauer]

On Fri, Apr 27, 2012 at 12:39:02PM +0200, Gabriel Tisan wrote:
> Hi !
> 
> I try to upgrade a custom board from an old version(2009) of barebox
> to a new one.
> 
> But I have some problems when the nand driver is
> loading(imx35_add_nand(&nand_info)
> 
> After I boot with the old barebox, I use tftp to load the new version
> of barebox in ram and at run I get this on console :
> 
> NAND device: Manufacturer ID: 0x2c, Chip ID: 0xdc (Micron NAND 512MiB
> 3,3V 8-bit)
> Bad block table not found for chip 0
> Bad block table not found for chip 0
> Scanning device for bad blocks
> Bad eraseblock 0 at 0x00000000
> Bad eraseblock 1 at 0x00020000
> Bad eraseblock 2 at 0x00040000
> ................
> 
> It seems that it could not find the bad block tables, although on the
> old barebox they are found.
> 
> Has someone an idea what I could try to go forward ?

Not a good idea. Some things to check:

have you played with the nand clock in your board setup (IMX_CCM_BASE +
CCM_PDR4)?

do you pass hw_ecc = 1 to the nand driver? I think this was the same
back in 2009, but I don't really know.

Sascha

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