From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gw.scieneer.com (gw.scieneer.com [203.44.134.129]) by dsl2.external.hp.com (Postfix) with ESMTP id DD535482A for ; Wed, 16 May 2001 09:18:38 -0600 (MDT) Sender: dtc@scieneer.com Message-ID: <3B029A26.7323124B@scieneer.com> Date: Thu, 17 May 2001 01:17:58 +1000 From: "Douglas T. Crosher" MIME-Version: 1.0 To: rbradetich@uswest.net Cc: parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] J2240? References: <3AFE1F8B.725C1B8B@scieneer.com> <20010513122336.A25045@beavis.ybsoft.com> <3AFEE176.28EBFC7A@scieneer.com> <20010513141405.A25241@beavis.ybsoft.com> <20010515231519.A32007@beavis.ybsoft.com> Content-Type: text/plain; charset=us-ascii List-ID: Ryan Bradetich wrote: ... > I had a chance to chat with Grant, and we have a couple of ideas, but > we need some more info first. Grant says the IO_ADDR_EN is supposed > to be set by the PDC ... but if no devices exist on the PCI bus below > the dino, it is possible the IO_ADDR_EN could be 0. If this is the > case, then we need to move the BUG() to a different spot in code. ... > I have attached a small patch that will hopefully confirm our thoughts > about the IO_ADDR_EN BUG() that I hope you will try out and report > back the results. And hopefully someone is working on providing > rs232 port support for the dino/cujo busses. Here is the relevant output with you patch applied: ... Dino version 3.1 (bridge mode) found at 0xfc004000 dino_bridge_init() addr: fc004000 hver: 0x680 sver: 0xa io_addr: 0x2000000 Dino version J2240 (bridge mode) found at 0xfc000000 dino_bridge_init() addr: fc000000 hver: 0x5d sver: 0xa io_addr: 0x0 ... Thanks for looking into it. Regards Douglas Crosher