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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 2/2] imx: fix exception vectors relocation in imx27
Date: Fri, 14 Nov 2014 14:24:52 +0100	[thread overview]
Message-ID: <546602A4.1030404@denx.de> (raw)
In-Reply-To: <20141114131033.4c68d987@lilith>

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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  reply	other threads:[~2014-11-14 13:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-11 16:46 [U-Boot] [PATCH v1 0/2] Fix SoC-specific exception handling Albert ARIBAUD
2014-11-11 16:46 ` [U-Boot] [PATCH v1 1/2] cosmetic: arm: fix whitespace in arch/arm/lib/relocate.S Albert ARIBAUD
2014-11-11 16:46 ` [U-Boot] [PATCH v1 2/2] imx: fix exception vectors relocation in i.MX27 Albert ARIBAUD
2014-11-11 18:02   ` trem
2014-11-11 18:13     ` Albert ARIBAUD
2014-11-11 18:19 ` [U-Boot] [PATCH v2 0/2] Fix SoC-specific exception handling Albert ARIBAUD
2014-11-11 18:19   ` [U-Boot] [PATCH v2 1/2] cosmetic: arm: fix whitespace in arch/arm/lib/relocate.S Albert ARIBAUD
2014-11-11 18:19   ` [U-Boot] [PATCH v2 2/2] imx: fix exception vectors relocation in imx27 Albert ARIBAUD
2014-11-13 16:59   ` [U-Boot] [PATCH v3 0/2] Fix SoC-specific exception handling Albert ARIBAUD
2014-11-13 16:59     ` [U-Boot] [PATCH v3 1/2] cosmetic: arm: fix whitespace in arch/arm/lib/relocate.S Albert ARIBAUD
2014-11-21  9:01       ` Albert ARIBAUD
2014-11-21  9:04         ` Albert ARIBAUD
2014-11-13 16:59     ` [U-Boot] [PATCH v3 2/2] imx: fix exception vectors relocation in imx27 Albert ARIBAUD
2014-11-14  9:13       ` Stefano Babic
2014-11-14 11:49         ` Albert ARIBAUD
2014-11-14 12:10           ` Albert ARIBAUD
2014-11-14 13:24             ` Stefano Babic [this message]
2014-11-14 21:20               ` Fabio Estevam
2014-11-20 12:08               ` Albert ARIBAUD
2014-11-21  9:08                 ` Stefano Babic
2014-11-14 18:13       ` Philippe Reynes
2014-11-14 18:29       ` Philippe Reynes
2014-11-20  9:35       ` Stefano Babic
2014-11-13 17:05     ` [U-Boot] [PATCH v3 0/2] Fix SoC-specific exception handling Albert ARIBAUD

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