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RE: Marvell/evbppc - netbsd-current
Matt,
Thanks. Is that checked in to netbsd-current? I pulled from CVS
on Thursday morning, and it was still a problem unless I defined
the macros.
Doug
-----Original Message-----
From: Matt Thomas [mailto:matt%3am-software.com@localhost]
Sent: Friday, March 19, 2004 9:15 PM
To: Steve Woodford; Fraser Douglas; port-powerpc%NetBSD.org@localhost
Subject: Re: Marvell/evbppc - netbsd-current
At 03:04 PM 3/19/2004, Steve Woodford wrote:
>On Friday 19 March 2004 9:49 pm, Fraser Douglas wrote:
> > It needs (for the ev64260 port) to define macros
> > for:
> > PHYS_TO_BUS_MEM
> > and
> > BUS_MEM_TO_PHYS
>[in <evbppc/bus.h>]
> > which I am afraid will most likely break other
> > evbppc based ports if they are using that bus.h.
> >
> > Can anyone suggest a place to invoke those macros
> > other than in that particular header?
> >
> > Possibly as an option in the config? (though that seems 'brutish')
>
>I can't think of any other way to specify this. I've rattled up an
>evbppc-specific defflag "EVBPPC_BUS_DMA_NEEDS_P2B" which DTRT if
>specified in the kernel config file. If there are no objections, I'll
>commit this.
>
>As I recall, you just need the following definitions for the macros:
>
>#define PHYS_TO_BUS_MEM(t, addr) (addr)
>#define BUS_MEM_TO_PHYS(t, addr) (addr)
Don't even need that anymore. I added gt_dma_phys_to_bus_mem and
gt_dma_bus_mem_to_phys to the gt dma tag. Which effectively do the
above.
--
Matt Thomas email: matt%3am-software.com@localhost
3am Software Foundry www: http://3am-software.com/bio/matt/
Cupertino, CA disclaimer: I avow all knowledge of this message.
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