Search for space to attach a 3c562d correctly. From Hayakawa Koichi
<haya@netbsd.org>, thanks.
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@ -1,4 +1,4 @@
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/* $NetBSD: if_ep_pcmcia.c,v 1.36 2001/12/24 09:30:40 christos Exp $ */
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/* $NetBSD: if_ep_pcmcia.c,v 1.37 2002/03/10 22:28:02 christos Exp $ */
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/*-
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* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
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@ -67,7 +67,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.36 2001/12/24 09:30:40 christos Exp $");
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__KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.37 2002/03/10 22:28:02 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -288,20 +288,30 @@ ep_pcmcia_attach(parent, self, aux)
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}
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if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
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bus_addr_t maxaddr = pa->pf->sc->iobase + pa->pf->sc->iosize;
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for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
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/*
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* the 3c562 can only use 0x??00-0x??7f
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* according to the Linux driver
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*/
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if (i & 0x80)
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continue;
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/*
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* 3c562 i/o may decodes address line not only A0-3
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* but also A7. Anyway, we must sweep at most
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* [0x0000, 0x0100). The address higher is given by a
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* pcmcia bridge. But pcmcia bus-space allocation
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* function implies cards will decode 10-bit address
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* line. So we must search [0x0000, 0x0400).
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*
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* XXX: We must not check the bunch of I/O space range
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* [0x400*n, 0x300 + 0x400*n) because they are
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* reserved for legacy ISA devices and their alias
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* images on PC/AT architecture.
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*/
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for (i = 0x0300; i < 0x0380; i += 0x10) {
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if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
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0, &psc->sc_pcioh) == 0)
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break;
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}
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if (i >= maxaddr) {
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if (i == 0x0380) {
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printf(": can't allocate i/o space\n");
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goto ioalloc_failed;
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}
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