[flashrom] [PATCH] TunnelCreek uses ICH7 SPI instead of poulsbo

[Feldschmid, Ingo]

Yeah, scattered development centers :-)

We already had an internal discussion, and would like to keep my (older) submitted fix, since the Tunnel Creek and the ICH7 have different bit mapping for the flash boot configuration. 

Best regards,
Ingo


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-----Ursprüngliche Nachricht-----
Von: Stefan Tauner [mailto:stefan.tauner at student.tuwien.ac.at] 
Gesendet: Freitag, 27. Januar 2012 14:02
An: Pietrek, Markus
Cc: flashrom at flashrom.org; Feldschmid, Ingo
Betreff: Re: [flashrom] [PATCH] TunnelCreek uses ICH7 SPI instead of poulsbo

On Fri, 27 Jan 2012 10:14:21 +0100
"Markus Pietrek" <mpie at msc-ge.com> wrote:

> While LPC/FHW is not supported on TunnelCreek, SPI is (see 
> TunnelCreek's HW ref manual 2.13) The SPI controller is compatible to 
> ICH7
> 
> Reading has been tested on Q7_TCTC using the command "flashrom -p 
> internal:laptop=force_I_want_a_brick -r /tmp/test.bin"
> Writing has not been verified!

i beg to differ about tunnelcreek's lpc capabilities:
"The Intel® AtomTM Processor E6xx Series implements an LPC interface as described in the LPC1.1 Specification."
(from Intel® AtomTM Processor E6xx Series Datasheet (324208-003US),
1.3.8)

more interestingly is that there was already code added to flashrom to support tunnelcreek. and most interestingly this was done by one of your colleagues ;) i have CCed ingo this email.
please see commit r1430 and
http://www.flashrom.org/pipermail/flashrom/2011-September/007823.html

i have not checked the datasheet and/or the code of r1430 yet. it certainly can be simplified/unified with the other init functions and i have it on my todo list (at the end of it though).
--
Kind regards/Mit freundlichen Grüßen, Stefan Tauner

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