diff options
Diffstat (limited to 'sys/arch/i386/pci/pcibios.c')
| -rw-r--r-- | sys/arch/i386/pci/pcibios.c | 127 |
1 files changed, 78 insertions, 49 deletions
diff --git a/sys/arch/i386/pci/pcibios.c b/sys/arch/i386/pci/pcibios.c index 48981281083..1f54eb77463 100644 --- a/sys/arch/i386/pci/pcibios.c +++ b/sys/arch/i386/pci/pcibios.c @@ -1,6 +1,36 @@ -/* $OpenBSD: pcibios.c,v 1.6 2000/08/08 19:12:48 mickey Exp $ */ +/* $OpenBSD: pcibios.c,v 1.7 2000/08/17 20:15:40 mickey Exp $ */ /* $NetBSD: pcibios.c,v 1.4 2000/07/18 11:15:25 soda Exp $ */ +/* + * Copyright (c) 2000 Michael Shalayeff + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Michael Shalayeff. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. @@ -80,21 +110,11 @@ #include <dev/pci/pcidevs.h> #include <i386/pci/pcibios.h> -#ifdef PCIBIOS_INTR_FIXUP #include <i386/pci/pci_intr_fixup.h> -#endif -#ifdef PCIBIOS_BUS_FIXUP #include <i386/pci/pci_bus_fixup.h> -#endif -#ifdef PCIBIOS_ADDR_FIXUP #include <i386/pci/pci_addr_fixup.h> -#endif -#ifdef __NetBSD__ -#include <machine/bios32.h> -#elif __OpenBSD__ #include <machine/biosvar.h> -#endif #ifdef PCIBIOSVERBOSE int pcibiosverbose = 1; @@ -126,45 +146,58 @@ void pcibios_print_pir_table __P((void)); #define PCI_IRQ_TABLE_START 0xf0000 #define PCI_IRQ_TABLE_END 0xfffff +struct pcibios_softc { + struct device sc_dev; +}; + +struct cfdriver pcibios_cd = { + NULL, "pcibios", DV_DULL +}; + +int pcibiosprobe __P((struct device *, void *, void *)); +void pcibiosattach __P((struct device *, struct device *, void *)); + +struct cfattach pcibios_ca = { + sizeof(struct pcibios_softc), pcibiosprobe, pcibiosattach +}; + +int +pcibiosprobe(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct bios32_entry_info ei; + u_int32_t rev_maj, rev_min, mech1, mech2, scmech1, scmech2, maxbus; + + return (bios32_service(PCIBIOS_SIGNATURE, &pcibios_entry, &ei) && + pcibios_get_status(&rev_maj, &rev_min, &mech1, &mech2, + &scmech1, &scmech2, &maxbus) == PCIBIOS_SUCCESS); +} + void -pcibios_init() +pcibiosattach(parent, self, aux) + struct device *parent, *self; + void *aux; { + struct pcibios_softc *sc = (struct pcibios_softc *)self; struct bios32_entry_info ei; u_int32_t rev_maj, rev_min, mech1, mech2, scmech1, scmech2; + int flags = sc->sc_dev.dv_cfdata->cf_flags; - if (bios32_service(BIOS32_MAKESIG('$', 'P', 'C', 'I'), - &pcibios_entry, &ei) == 0) { - /* - * No PCI BIOS found; will fall back on old - * mechanism. - */ - return; - } - - /* - * We've located the PCI BIOS service; get some information - * about it. - */ - if (pcibios_get_status(&rev_maj, &rev_min, &mech1, &mech2, - &scmech1, &scmech2, &pcibios_max_bus) != PCIBIOS_SUCCESS) { - /* - * We can't use the PCI BIOS; will fall back on old - * mechanism. - */ - return; - } + bios32_service(PCIBIOS_SIGNATURE, &pcibios_entry, &ei); + pcibios_get_status(&rev_maj, &rev_min, &mech1, &mech2, + &scmech1, &scmech2, &pcibios_max_bus); - printf("PCI BIOS rev. %d.%d found at 0x%lx\n", rev_maj, rev_min >> 4, + printf(": rev. %d.%d found at 0x%lx\n", rev_maj, rev_min >> 4, ei.bei_entry); #ifdef PCIBIOSVERBOSE - printf("pcibios: config mechanism %s%s, special cycles %s%s, " - "last bus %d\n", + printf("%s: config mechanism %s%s, special cycles %s%s, last bus %d\n", + sc->sc_dev.dv_xname, mech1 ? "[1]" : "[x]", mech2 ? "[2]" : "[x]", scmech1 ? "[1]" : "[x]", scmech2 ? "[2]" : "[x]", pcibios_max_bus); - #endif /* @@ -180,8 +213,8 @@ pcibios_init() */ pcibios_pir_init(); -#ifdef PCIBIOS_INTR_FIXUP - if (pcibios_pir_table != NULL) { + if (!(flags & PCIBIOS_INTR_FIXUP) && + pcibios_pir_table != NULL) { int rv; u_int16_t pciirq; @@ -207,18 +240,14 @@ pcibios_init() * XXX mask. */ } -#endif -#ifdef PCIBIOS_BUS_FIXUP - pcibios_max_bus = pci_bus_fixup(NULL, 0); -#ifdef PCIBIOSVERBOSE - printf("PCI bus #%d is the last bus\n", pcibios_max_bus); -#endif -#endif + if (!(flags & PCIBIOS_BUS_FIXUP)) { + pcibios_max_bus = pci_bus_fixup(NULL, 0); + printf("PCI bus #%d is the last bus\n", pcibios_max_bus); + } -#ifdef PCIBIOS_ADDR_FIXUP - pci_addr_fixup(NULL, pcibios_max_bus); -#endif + if (!(flags & PCIBIOS_ADDR_FIXUP)) + pci_addr_fixup(NULL, pcibios_max_bus); } void |