[U-Boot] [PATCH v3 2/2] imx: fix exception vectors relocation in imx27

Stefano Babic
2014-11-14T13:24:52Z

Hi Albert,

On 14/11/2014 13:10, Albert ARIBAUD wrote:
>> I'll have a look at the i.MX25, i.MX31 and i.MX35 reference manuals,
>> but at most that will only tell me if they have the same problem as
>> i.MX27 has about ROM/RAM and low/high vectors; it probably won't tell
>> me how their ROM code handles exceptions.
>
> According to the i.MX25, i.MX31 and i.MX35 RM, all three SoCs have ROM
> at address 0x00000000 and no RAM at address 0xffff0000, so they most
> certainly have the same kind of issue as i.MX27, but there is no
> indication that the indirect vectors table is always the same, and it
> is quite probable that it is located at a different place for each SoC.
>
> So in order to solve the issue, we would need a dump (or better yet a
> disassembly) of ROM addresses 0x00000000 to 0x0000001F for each of the
> three SoCs.
>

ok - I have a MX35 based board, and I can do some tests, maybe in the
week-end.

Best regards,
Stefano

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