[Buildroot] AT91SAM9G20 support?
suffecool at comcast.net
suffecool at comcast.net
Thu Oct 30 19:36:23 UTC 2008
Yeah, that's what I am discovering. I am now looking at various kernel releases to see if and when 9G20 support was added (if at all).
Google searching found this link:
http://lkml.org/lkml/2008/6/13/62
where it appears that somebody back in June 2008 did a lot of work patching the kernel to get the 9G20 to be supported. I'm downloading the 2.6.27 kernel now to see if it was added into that one.
--kev
-------------- Original message --------------
From: "hartleys" <hartleys at visionengravers.com>
> On Thursday, October 30, 2008 11:51 AM, suffecool at comcast.net wrote:
> > Hello,
> >
> > Line 69 of target/device/Atmel/AT91_Config.in states that
> > "Atmel AT91SAM9G20 ARM based systems" are not yet implemented.
> >
> > How difficult is this to do? I am willing to give it a shot
> > if it simply involves creating/tweaking some configuration files.
> > We were using the 9260 dev board, but have recently switched to
> > the newer 9G20 board. However, when we push our 9260 kernel to
> > the board and boot it with a 9G20-knowledgeable u-boot, it balks
> > after uncompressing the kernel image with the following error:
> >
> > Uncompressing Linux......................done, booting the kernel.
> > Error: unrecognized/unsupported machine ID (r1 = 0x00000658)
> > Available machine support:
> > ID (hex) NAME
> > 0000044b Atmel AT91SAM9260-EK
> > Please check your kernel config and/or bootloader.
> >
> > I initially thought this was a u-boot issue, but now I think it's
> > just that buildroot does not yet know about 9G20 dev boards.
> >
> > Any direction/assistance would be appreciated.
>
> It appears the problem is actually in your kernel.
>
> U-boot passed a machine ID of (r1 = 0x00000658), which according to
> arch/arm/tools/mach-types is:
>
> at91sam9g20ek MACH_AT91SAM9G20EK AT91SAM9G20EK
> 1624
>
> But the linux kernel you are trying to bring up says that the only
> machine supported is:
>
> Available machine support:
> ID (hex) NAME
> 0000044b Atmel AT91SAM9260-EK
>
> From arch/arm/tools/mach-types:
>
> at91sam9260ek MACH_AT91SAM9260EK AT91SAM9260EK
> 1099
>
> It appears you have the 9G20 suppost in u-boot but still have a kernel
> for the 9260.
>
> Hartley
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