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

Albert ARIBAUD
2014-11-20T12:08:47Z

Hello Stefano,

On Fri, 14 Nov 2014 14:24:52 +0100, 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.

(thanks for applying my patch) Did you do the tests on i.MX35? Should
there be a followup patch to fix i.MX35 as i.MX27 i now fixed?

> Best regards,
> Stefano

Amicalement,
--
Albert.