Date: Sat, 11 Oct 2008 14:29:44 +0100 From: "Bruce M. Simpson" <bms@incunabulum.net> To: "Bruce M. Simpson" <bms@incunabulum.net> Cc: Stanislav Sedov <stas@FreeBSD.org>, freebsd-embedded@freebsd.org Subject: Re: Problems with NSLU2 and U-Boot Message-ID: <48F0AA48.3040008@incunabulum.net> In-Reply-To: <48F09EF2.4060709@incunabulum.net> References: <48EABE17.3010104@incunabulum.net> <20081009025641.e6d015bb.stas@FreeBSD.org> <48F09EF2.4060709@incunabulum.net>
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Bruce M. Simpson wrote:
> I just tried booting kernel.bin on the NSLU2, as a raw memory image,
> via tftp, and got exactly the same result.
> I repeated it with U-Boot. It appears as though it relocates the
> embedded ELF image to the correct address during load and execution,
> but I can't be sure because I don't have any OCD capability just now.
I grabbed the patches for the IXO dude's USB JTAG design here:
http://www.ixo.de/info/usb_jtag/
FWIW they apply fine to the snapshot I rolled of OpenOCD, and it appears
to talk to the USB Blaster clone OK. Now whilst this appears to detect
the chain, I don't have TRST lines pulled out on the board -- I only
have VCC, GND, TMS, TCK, TDO and TDI pulled out with teflon coated wire
(the *really* thin stuff).
So I can't halt the xScale core and capture registers, etc. It seems
there is a TRSTn line but I'll have to warm up the iron another time...
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