[U-Boot] IMX6 NAND booting failure

[Lukasz Majewski]

Hi Rasheed,

> Hi,
> I am working on VAR-SOM-MX6 SOC. I'm trying to boot a custom SPL from
> NAND. After programming NAND with custom SPL, system goes to serial
> downloader mode. I have taken the ROM code buffer log (also attached
> below). It shows that authentication fails. My boot security settings
> are OPEN, so even though authentication fails it should handover the
> control to SPL, which ROM code doesn't and system goes to serial
> downloader mode. I was able to attach JTAG and read the registers of
> core and it shows that LR is 0x000B0000. Which is exactly what it
> should be. Because it was expected to jump to entry point.
> 
> 
> 00902190 = 00010002 000200F0 00030000 00040000
> 009021A0 = 00050001 00060000 00070000 000700F0
> 009021B0 = 00080000 00000280 000800F0 00080000
> 009021C0 = 00000282 00080033 00090000 000A1E33
> 009021D0 = 00061FFF 000C0000 00000000 00000000
> 009021E0 = 00000000 00000000 00000000 00000000
> 009021F0 = 00000000 00000000 00000000 00000000
> 00902200 = 00000000 00000000 00000000 00000000
> 00902210 = 00000000 00000000 00000000 00000000
> 00902220 = 00000000 00000000 00000000 00000000
> 00902230 = 00000000 00000000 00000000 00000000
> 00902240 = 00000000 00000000 00000000 00000000
> 00902250 = 00000000 00000000 00000000 00000000
> 00902260 = 00000000 00000000 00000000 00000000
> 00902270 = 00000000 00000000 00000000 00000000
> 00902280 = 00000000 00000000 00000000 00000000
> 00902290 = 00000000 03040103 00000409 00030101
> 009022A0 = 06810040 00002200 0112008C 00000200
> 009022B0 = 15A24000 00010054 01000201 0200060A
> 

Shouldn't the NAND consist of some extra configuration data?

> 
> Regards,
> Abdul Rasheed
> 
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Best regards,

Lukasz Majewski

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