Date: Tue, 18 Dec 2007 10:13:56 +0100 (CET) From: =?iso-8859-1?Q?Bj=F6rn_K=F6nig?= <bkoenig@alpha-tierchen.de> To: "Stanislav Sedov" <stas@freebsd.org> Cc: freebsd-arm@freebsd.org Subject: Re: MMC cards support Message-ID: <63996.192.168.1.2.1197969236.squirrel@webmail.alpha-tierchen.de>
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> On Mon, Dec 17, 2007 at 02:40:00PM -0700 M. Warner Losh mentioned: >> >> Hmmm, We got a patch to look at all the SAxL/H pairs for an address. >> I thought it was crazy to do that, but if uboot does this for some >> reason, then I'll be the first to admit that I was wrong and add the >> extra bits back. >> > Probably we can look MAC in higher registers, if lower didn't contained > valid one. > > I need to check if u-boot really does this first, though. u-boot definitely uses the second register set. I wrote a patch a few months ago and sent it to this mailing list because I had exactly the same problem. It changes ate_get_mac so that it probes all four register sets beginning at the first and it stops if the MAC is != 0. Björn
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