From owner-freebsd-mobile  Wed Jan 10  0:36:45 2001
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Date: Wed, 10 Jan 2001 08:36:25 -0000 (GMT)
From: Duncan Barclay <dmlb@dmlb.org>
To: Duncan Barclay <dmlb@dmlb.org>
Subject: RE: memory mapped io for Aironet driver.
Cc: onoe@freebsd.org, mobile@freebsd.org
Sender: owner-freebsd-mobile@FreeBSD.ORG
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Hi

Sorry this is for the awi driver not aironet.

Duncan

On 10-Jan-01 Duncan Barclay wrote:
> Hello all
> 
> Can someone with an aironet card running -current see if this patch to
> /sys/dev/awi/if_awi_pccard.c works? This should enable memory mapped
> operation.
> 
> Duncan
> 
> Index: if_awi_pccard.c
> ===================================================================
> RCS file: /steer/ncvs/src/sys/dev/awi/if_awi_pccard.c,v
> retrieving revision 1.5
> diff -u -r1.5 if_awi_pccard.c
> --- if_awi_pccard.c     2000/10/15 14:18:05     1.5
> +++ if_awi_pccard.c     2001/01/10 08:31:17
> @@ -139,19 +139,19 @@
>         }
>  
>         psc->sc_mem_rid = 0;
> -#if 1
> -       /*
> -        * XXX: awi needs to access memory with 8bit,
> -        * but pccardd apparently maps memory with MDF_16BITS flag.
> -        * So memory mapped access is disabled and use IO port instead.
> -        */
> -       psc->sc_mem_res = 0;
> -#else
>         psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
>             &psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
> -#endif
>         if (psc->sc_mem_res) {
> +               error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->dev),
> +                   sc->dev, sc->cm_rid, 0, NULL);
> +                if (error)
> +                       device_printf("awi_pccard_attach: adjusting memory
> offse
> t failed\n");
> +                error = CARD_SET_RES_FLAGS(device_get_parent(sc->dev),
> sc->dev,
> +                    SYS_RES_MEMORY, sc->cm_rid, 2);
> +                if (error)
> +                       device_printf("awi_pccard_attach: setting 8bit memory
> fa
> iled\n");
>                 sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
> + 
>                 sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
>                 am79c930_chip_init(&sc->sc_chip, 1);
>         } else
> 
> ---
> ________________________________________________________________________
> Duncan Barclay  | God smiles upon the little children,
> dmlb@dmlb.org   | the alcoholics, and the permanently stoned.
> dmlb@freebsd.org| Steven King
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-mobile" in the body of the message
> 

---
________________________________________________________________________
Duncan Barclay  | God smiles upon the little children,
dmlb@dmlb.org   | the alcoholics, and the permanently stoned.
dmlb@freebsd.org| Steven King


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