From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH] Fixup for DEC 21154 bridge to allow CardBus support From: Benjamin Herrenschmidt To: Pavel Roskin Cc: linuxppc-dev list In-Reply-To: References: <1085363158.15315.11.camel@gaston> <1085376973.14969.47.camel@gaston> Content-Type: text/plain Message-Id: <1085381211.24948.60.camel@gaston> Mime-Version: 1.0 Date: Mon, 24 May 2004 16:46:52 +1000 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: > I guess we don't understand each other. I thought you didn't like that I > the PCI bridge would handle all buses from 1 to 255. I assumed that you > meant that some of those buses can be used by some other PCI bridges. I > assumed that if the P2P bridge is behind the main PCI bridge, the buses > handled by the P2P bridge would be a subset of the buses handles by the > the main PCI bridge. You are right, I was on crack > I assure you that every CardBus bridge would only use 4 buses. It won't > use all 253 buses. > > Anyway, you know PowerPC architecture much better. I might be missing > something obvious. After all, the upper bus range is just a number. > Adjust it in any direction if you want. -- Benjamin Herrenschmidt ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/