Re: mapping 36 bit physical addresses into 32 bit virtual

From: H. Peter Anvin (hpa@zytor.com)
Date: Tue Oct 15 2002 - 17:54:35 EST


Followup to: <20021015165947.50642.qmail@web13801.mail.yahoo.com>
By author: Padraig O Mathuna <padraigo@yahoo.com>
In newsgroup: linux.dev.kernel
>
> I'm developing some drivers for the AU1000 under
> Mountain Vista's 2.4.17 sherman release. The AU1000 is
> a MIPS based SOC with a 36 bit internal address bus
> and a 32 bit MIPS cpu. According to the documentation
> the MIPS' TLB is able to map 32 bit virtual addresses
> to 36 bit physical addresses, however I cannot figure
> out how to get Linux to set this up. I've looked at
> ioremap which only takes unsigned long (32bits) as an
> argument to assign a virtual address. Is there
> another way?
>

Oh no, the x86 madness is spreading!!!!

(It's depressing this happening on a MIPS system, which has been 64
bits since who-knows-when...)

*Vomit*

        -hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:58 EST