linux-kernel - Re: [PATCH 2/2] platform/x86: Add Intel Galileo platform specific setup

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Message-ID: <54AFBB86.5040307@nexus-software.ie>
Date:	Fri, 09 Jan 2015 11:29:10 +0000
From:	Bryan O'Donoghue <pure.logic@...us-software.ie>
To:	Darren Hart <dvhart@...radead.org>
CC:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] platform/x86: Add Intel Galileo platform specific
 setup

On 09/01/15 11:17, Bryan O'Donoghue wrote:
>> So this will load on any Quark device, Galileo or not, that doesn't
>> provide a
>> system_id. Is there any reason we need to support 0.8.0 and earlier
>> firmware?
>
> Every Galileo Gen1 device ships with firmware version 0.7.5. You can do
> an EFI capsule update to 0.8.0 which still isn't DMI-enabled - or you
> can go and get a firmware greater than 0.9.0 and get DMI strings.

I should add to that. Hundreds of the Gen1 devices were given away @ 
MakerFaire Rome 2013, and AFAIK thousands were given to universities. So 
there's probably a few thousands boards floating around with the 0.7.5 
firmware that we want to support.

Like I say - I think the fall-back is the simplest option and is also 
safe. I can add in the old way of identifying the boards and we can 
review it for appropriateness. I didn't include that old method for the 
fallback because it involves mapping SPI flash and parsing custom 
headers but - it works - even if it is ugly.

-- 
BOD

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