Date: Wed, 10 Jan 2001 08:34:31 -0000 (GMT) From: Duncan Barclay <dmlb@dmlb.org> To: mobile@freebsd.org, onoe@freebsd.org Subject: memory mapped io for Aironet driver. Message-ID: <XFMail.010110083431.dmlb@computer.my.domain>
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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
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