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

[Aurelien Jarno]

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.

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