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

Fabio Estevam
2014-11-14T21:20:02Z

On Fri, Nov 14, 2014 at 11:24 AM, Stefano Babic <sbabic@denx.de> wrote:
> 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.

I don't have access to a mx31 board, but I am adding Magnus in case he
could help testing.

I remember that mx31 spl nand boot issue was fixed in the 2014.10 version.

Thanks