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Re: [Qemu-devel] [PATCH] Fix memory-mapped i8042 on MIPS Magnum v3


From: Aurelien Jarno
Subject: Re: [Qemu-devel] [PATCH] Fix memory-mapped i8042 on MIPS Magnum v3
Date: Wed, 10 Dec 2008 16:03:18 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

On Mon, Dec 08, 2008 at 11:06:51PM +0100, Hervé Poussineau wrote:
> Hi,
>
> Current implementation of memory-mapped i8042 controller is atm  
> implemented with an interface shift (it_shift) parameter, like most all  
> memory-mapped devices in Qemu.
> However, this isn't suitable for MIPS Magnum, where i8042 controller is  
> at 0x80005000 up to 0x80005fff.
>
> Thomas Bogendoerfer (from #mipslinux) tested the behaviour of a real  
> machine, and found that odd addresses are for status/command register,  
> and even addresses for data register.
>
> Attached patch implements this behaviour by replacing the it_shift  
> parameter by a mask one.
> Incidentally, keyboard now works on OpenBSD 2.3, which accesses i8042  
> controller at 0x80005060 and 0x80005061.
>
> Signed-off-by: Hervé Poussineau <address@hidden>
>

Thanks, applied.

-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   address@hidden         | address@hidden
   `-    people.debian.org/~aurel32 | www.aurel32.net




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