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Groups > linux.kernel > #1247390
| From | Heiko Schocher <hs@denx.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. |
| Date | 2015-10-15 06:30 +0200 |
| Message-ID | <qjIkX-3LP-13@gated-at.bofh.it> (permalink) |
| References | <qj0MV-5PO-7@gated-at.bofh.it> <qjylB-5Hm-19@gated-at.bofh.it> <qjCIy-3T7-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello Tony,
Am 15.10.2015 um 00:20 schrieb Tony Lindgren:
> * Tony Lindgren <tony@atomide.com> [151014 10:56]:
>> * Heiko Schocher <hs@denx.de> [151012 22:58]:
>>> Of this, secure content (including PPA) uses initial
>>> portion of the SRAM. This chunk is not (and shouldn't
>>> be) accessible from the public code.
>>>
>>> The minimum size of this chunk (0x350) is used in this
>>> patch. Available size is rounded off to 63K.
>>>
>>> Both values would require a change if size of secure
>>> content grows beyond 0x350.
>>
>> Makes sense to me. And something similar is needed at least for
>> dm814x to get rid of the imprecise abort during boot with
>> commit bbeb92095159 ("ARM: 8422/1: enable imprecise aborts during
>> early kernel startup") applied.
>>
>> Is this needed as a fix to the -rc cycle, or can this wait for
>> v4.4?
>
> Actually I think we may have a regression somwhere. If you look
> at commit 8b9a2810b02e ("ARM: OMAP4+: Move SRAM data to DT")
> this should all be handled by drivers/misc/sram.c nowadays.
>
> So for most SoCs, we should completely skip the plat-omap/sram.c
> code.
Yes, correct. So it should be enough for changing the DT, thanks.
bye,
Heiko
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[PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Heiko Schocher <hs@denx.de> - 2015-10-13 08:00 +0200
Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Tony Lindgren <tony@atomide.com> - 2015-10-14 19:50 +0200
Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Tony Lindgren <tony@atomide.com> - 2015-10-15 00:30 +0200
Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Tony Lindgren <tony@atomide.com> - 2015-10-15 02:00 +0200
Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Heiko Schocher <hs@denx.de> - 2015-10-15 06:30 +0200
Re: [PATCH] arm, omap2, sram: On HS/EMU devices, only 64K internal SRAM is available. Heiko Schocher <hs@denx.de> - 2015-10-15 06:00 +0200
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