From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.2/8.11.3) id fA9IUus14284 for linux-mips-outgoing; Fri, 9 Nov 2001 10:30:56 -0800 Received: from hermes.mvista.com (gateway-1237.mvista.com [12.44.186.158]) by oss.sgi.com (8.11.2/8.11.3) with SMTP id fA9IUp014281; Fri, 9 Nov 2001 10:30:51 -0800 Received: from mvista.com (IDENT:jsun@orion.mvista.com [10.0.0.75]) by hermes.mvista.com (8.11.0/8.11.0) with ESMTP id fA9IWEB02720; Fri, 9 Nov 2001 10:32:14 -0800 Message-ID: <3BEC20D5.AD6ABBA6@mvista.com> Date: Fri, 09 Nov 2001 10:30:45 -0800 From: Jun Sun X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.18 i686) X-Accept-Language: en MIME-Version: 1.0 To: James Simmons CC: Ralf Baechle , Atsushi Nemoto , linux-mips@oss.sgi.com, linux-mips-kernel@lists.sourceforge.net Subject: Re: [Linux-mips-kernel]Re: i8259.c in big endian References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com Precedence: bulk James Simmons wrote: > > > > > The mips_io_port_base is 0xa0000000. Whereas the i8259 chip is at > > > > 0xb0000000. The 0xa000000 value could be wrong. I will give it a try. > > > > > > As your board must have RAM at physical address zero 0xa0000000 is almost > > > certainly a wrong value. > > > > Your right. The address of 0xb000000 is bogus. This is the value from the > > old code. I will migrate the code over to the i8259.c stuff now. Thanks. > > Actually looking threw other mips branches now I see what the 0xb000000 > is. It is the isa_port_base. > You are probably referring to isa_slot_offset? isa_slot_offset is an obselete garbage. Can someone do Ralf's a favor and send him a patch to get rid of it (as if he can't do it himself :-0) ? Jun