Re: logical PIO code for mips question (was Re: [PATCH RESEND v3 3/3] MIPS: Loongson64: Enable PCI_IO_VMMAP)

[John Garry <john.garry@xxxxxxxxxx>]

On 14/01/2021 11:10, Jiaxun Yang wrote:
> Not yet.
>
> > I may just do this (reserve 64K) under INDIRECT_PIO for now, not sure 
> > yet.
>
> Probably we can make the first page of LOGIC_PIO a special region. It 
> could be a
> reserved region when no legacy ISA bus present or overlay by MMIO in 
> case like
> MIPS here.

Yeah, I could do that as well, but then I need special handling for that 
region, which may complicate things.

Anyway, I'll cc you and linux-mips on any patch.

Thanks,
John