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Date: Wed, 28 Nov 2012 14:20:19 +1100
From: grenville armitage <garmitage@swin.edu.au>
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Subject: Re: FreeBSD-CURRENT on Qemu-emulated Gumstix Verdex?
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On 11/24/2012 15:20, Oleksandr Tymoshenko wrote:
> On 11/23/2012 1:29 PM, grenville armitage wrote:
	[..]
>> I recently decided to try getting an arm build of 10.0-CURRENT
>> (r243319) (TARGET=arm KERNCONF=GUMSTIX-QEMU) running inside a
>> Qemu-emulated Gumstix Verdex board, using qemu-devel (1.1.1) as the
>> emulator.
	[..]
>> The problem appears to be FreeBSD auto-detecting twice the emulated
>> available RAM. Does this ring any bells with anyone? My google-fu
>> has so far failed me.
	[..]
> From quick glance it seems that FreeBSD's SDRAM size detection code
> thinks that there are 4 banks of 128Mb. While the same MDCNFG
> register value(0x8ad30ad3) is used in U-Boot source to indicate 256Mb
> memory size. So I assume our code is broken for PXA270. If anybody
> got a datasheet for it - please take a look, or send datasheet my
> way.

I will admit to not knowing much about the kernel's internals, so I hope someone gets in touch with you regarding the PXA270's datasheet. I'll happily be a test-subject for any patches that might arise!

cheers,
gja