| To: | James Simmons <jsimmons@transvirtual.com> |
|---|---|
| Subject: | Re: i8259.c in big endian |
| From: | Ralf Baechle <ralf@oss.sgi.com> |
| Date: | Thu, 8 Nov 2001 12:41:19 -0800 |
| Cc: | Atsushi Nemoto <nemoto@toshiba-tops.co.jp>, linux-mips@oss.sgi.com, linux-mips-kernel@lists.sourceforge.net |
| In-reply-to: | <Pine.LNX.4.10.10111081217220.13456-100000@transvirtual.com>; from jsimmons@transvirtual.com on Thu, Nov 08, 2001 at 12:20:20PM -0800 |
| References: | <20011108121348.A26083@dea.linux-mips.net> <Pine.LNX.4.10.10111081217220.13456-100000@transvirtual.com> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.2.5i |
On Thu, Nov 08, 2001 at 12:20:20PM -0800, James Simmons wrote: > > > which has a i8259 chip but its io is offseted by 0xb0000000. > > > > Then it's almost certainly an legacy ISA device with it's ports in ISA > > space, > > so set mips_io_port_base to an apropriate value or does that not work for > > you? > > 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. Ralf |
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