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-rw-r--r--sys/arch/amd64/amd64/mpbios.c10
-rw-r--r--sys/arch/amd64/amd64/mpbios_intr_fixup.c186
-rw-r--r--sys/arch/amd64/conf/files.amd643
-rw-r--r--sys/arch/amd64/include/mpbiosvar.h4
4 files changed, 200 insertions, 3 deletions
diff --git a/sys/arch/amd64/amd64/mpbios.c b/sys/arch/amd64/amd64/mpbios.c
index a5e459fc6fd..5347fe93071 100644
--- a/sys/arch/amd64/amd64/mpbios.c
+++ b/sys/arch/amd64/amd64/mpbios.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mpbios.c,v 1.3 2005/10/21 18:55:00 martin Exp $ */
+/* $OpenBSD: mpbios.c,v 1.4 2006/03/22 21:16:00 kettenis Exp $ */
/* $NetBSD: mpbios.c,v 1.7 2003/05/15 16:32:50 fvdl Exp $ */
/*-
@@ -122,11 +122,14 @@
#include <machine/i82489var.h>
#include <dev/isa/isareg.h>
+#include <dev/pci/pcivar.h>
#ifdef X86_MPBIOS_SUPPORT_EISA
#include <dev/eisa/eisavar.h> /* for ELCR* def'ns */
#endif
+#include "pci.h"
+
static struct mpbios_ioapic default_ioapic = {
2, 0, 1, IOAPICENTRY_FLAG_EN, (u_int32_t)IOAPIC_BASE_DEFAULT
@@ -662,6 +665,11 @@ mpbios_scan(self)
mpbios_unmap (&mp_cfg_table_map);
}
mpbios_scanned = 1;
+
+#if NPCI > 0
+ if (pci_mode != 0)
+ mpbios_intr_fixup();
+#endif
}
void
diff --git a/sys/arch/amd64/amd64/mpbios_intr_fixup.c b/sys/arch/amd64/amd64/mpbios_intr_fixup.c
new file mode 100644
index 00000000000..7df0c2e4796
--- /dev/null
+++ b/sys/arch/amd64/amd64/mpbios_intr_fixup.c
@@ -0,0 +1,186 @@
+/* $OpenBSD: mpbios_intr_fixup.c,v 1.1 2006/03/22 21:16:00 kettenis Exp $ */
+
+/*
+ * Copyright (c) 2006 Mark Kettenis
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+
+#include <machine/i82093var.h>
+#include <machine/mpbiosvar.h>
+
+void mpbios_pin_fixup(int, int, int, int);
+const struct mpbios_icu_table *mpbios_icu_lookup(pcireg_t);
+
+void via8237_mpbios_fixup(pci_chipset_tag_t, pcitag_t);
+void nforce4_mpbios_fixup(pci_chipset_tag_t, pcitag_t);
+
+const struct mpbios_icu_table {
+ pci_vendor_id_t mpit_vendor;
+ pci_product_id_t mpit_product;
+ void (*mpit_mpbios_fixup)(pci_chipset_tag_t, pcitag_t);
+} mpbios_icu_table[] = {
+ { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8237_ISA,
+ via8237_mpbios_fixup },
+ { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_NFORCE4_ISA,
+ nforce4_mpbios_fixup }
+};
+
+const struct mpbios_icu_table *
+mpbios_icu_lookup(pcireg_t id)
+{
+ const struct mpbios_icu_table *mpit;
+
+ for (mpit = mpbios_icu_table; mpit->mpit_mpbios_fixup != NULL; mpit++)
+ if (PCI_VENDOR(id) == mpit->mpit_vendor &&
+ PCI_PRODUCT(id) == mpit->mpit_product)
+ return (mpit);
+
+ return (NULL);
+}
+
+/*
+ * NVIDIA nForce4 PCI-ISA bridge.
+ */
+
+#define NFORCE4_PNPIRQ1 0x7c
+#define NFORCE4_PNPIRQ2 0x80
+#define NFORCE4_SATA1_SHIFT 28
+#define NFORCE4_SATA1_MASK (0xf << NFORCE4_SATA1_SHIFT)
+#define NFORCE4_SATA2_SHIFT 24
+#define NFORCE4_SATA2_MASK (0xf << NFORCE4_SATA2_SHIFT)
+#define NFORCE4_PNPIRQ3 0x84
+
+void
+nforce4_mpbios_fixup(pci_chipset_tag_t pc, pcitag_t tag)
+{
+ pcireg_t reg;
+ int bus, pin;
+
+ pci_decompose_tag (pc, tag, &bus, NULL, NULL);
+
+ reg = pci_conf_read(pc, tag, NFORCE4_PNPIRQ2);
+ pin = (reg & NFORCE4_SATA1_MASK) >> NFORCE4_SATA1_SHIFT;
+ if (pin != 0)
+ mpbios_pin_fixup(bus, 7, 1, pin);
+ pin = (reg & NFORCE4_SATA2_MASK) >> NFORCE4_SATA2_SHIFT;
+ if (pin != 0)
+ mpbios_pin_fixup(bus, 8, 1, pin);
+}
+
+/*
+ * VIA VT8237 PCI-ISA bridge.
+ */
+
+void
+via8237_mpbios_fixup(pci_chipset_tag_t pc, pcitag_t tag)
+{
+ int bus;
+
+ pci_decompose_tag (pc, tag, &bus, NULL, NULL);
+
+ /* SATA is hardwired to APIC pin 20. */
+ mpbios_pin_fixup(bus, 15, 2, 20);
+}
+
+void
+mpbios_pin_fixup(int bus, int dev, int rawpin, int pin)
+{
+ struct mp_bus *mpb = &mp_busses[bus];
+ struct mp_intr_map *mip;
+
+ for (mip = mpb->mb_intrs; mip != NULL; mip = mip->next) {
+ if (mip->bus_pin == ((dev << 2) | (rawpin - 1)) &&
+ mip->ioapic_pin != pin) {
+
+ if (mp_verbose) {
+
+ printf("%s: int%d attached to %s",
+ mip->ioapic->sc_pic.pic_dev.dv_xname,
+ pin, mpb->mb_name);
+
+ if (mpb->mb_idx != -1)
+ printf("%d", mpb->mb_idx);
+
+ (*(mpb->mb_intr_print))(mip->bus_pin);
+
+ printf(" (fixup)\n");
+ }
+
+ mip->ioapic_pin = pin;
+ mip->ioapic_ih &= ~APIC_INT_PIN_MASK;
+ mip->ioapic_ih |= (pin << APIC_INT_PIN_SHIFT);
+ if (mip->ioapic->sc_pins[pin].ip_map == NULL)
+ mip->ioapic->sc_pins[pin].ip_map = mip;
+ }
+ }
+}
+
+void
+mpbios_intr_fixup(void)
+{
+ const struct mpbios_icu_table *mpit = NULL;
+ pci_chipset_tag_t pc = NULL;
+ pcitag_t icutag;
+ int device, maxdevs = pci_bus_maxdevs(pc, 0);
+
+ /* Search configuration space for a known interrupt router. */
+ for (device = 0; device < maxdevs; device++) {
+ const struct pci_quirkdata *qd;
+ int function, nfuncs;
+ pcireg_t icuid;
+ pcireg_t bhlcr;
+
+ icutag = pci_make_tag(pc, 0, device, 0);
+ icuid = pci_conf_read(pc, icutag, PCI_ID_REG);
+
+ /* Invalid vendor ID value? */
+ if (PCI_VENDOR(icuid) == PCI_VENDOR_INVALID)
+ continue;
+
+ qd = pci_lookup_quirkdata(PCI_VENDOR(icuid),
+ PCI_PRODUCT(icuid));
+
+ bhlcr = pci_conf_read(pc, icutag, PCI_BHLC_REG);
+ if (PCI_HDRTYPE_MULTIFN(bhlcr) || (qd != NULL &&
+ (qd->quirks & PCI_QUIRK_MULTIFUNCTION) != 0))
+ nfuncs = 8;
+ else
+ nfuncs = 1;
+
+ for (function = 0; function < nfuncs; function++) {
+ icutag = pci_make_tag(pc, 0, device, function);
+ icuid = pci_conf_read(pc, icutag, PCI_ID_REG);
+
+ /* Invalid vendor ID value? */
+ if (PCI_VENDOR(icuid) == PCI_VENDOR_INVALID)
+ continue;
+
+ if ((mpit = mpbios_icu_lookup(icuid)))
+ break;
+ }
+
+ if (mpit != NULL)
+ break;
+ }
+
+ if (mpit)
+ mpit->mpit_mpbios_fixup(pc, icutag);
+}
diff --git a/sys/arch/amd64/conf/files.amd64 b/sys/arch/amd64/conf/files.amd64
index 9655fff362e..0b6cd58fa6a 100644
--- a/sys/arch/amd64/conf/files.amd64
+++ b/sys/arch/amd64/conf/files.amd64
@@ -1,4 +1,4 @@
-# $OpenBSD: files.amd64,v 1.20 2006/03/08 03:33:21 uwe Exp $
+# $OpenBSD: files.amd64,v 1.21 2006/03/22 21:16:00 kettenis Exp $
maxpartitions 16
maxusers 2 16 128
@@ -34,6 +34,7 @@ file arch/amd64/amd64/ipi.c multiprocessor
file arch/amd64/amd64/apic.c ioapic | lapic
file arch/amd64/amd64/mpbios.c mpbios
+file arch/amd64/amd64/mpbios_intr_fixup.c mpbios & pci
file arch/amd64/amd64/consinit.c
diff --git a/sys/arch/amd64/include/mpbiosvar.h b/sys/arch/amd64/include/mpbiosvar.h
index b10bbe44fc7..c6f1a9063f4 100644
--- a/sys/arch/amd64/include/mpbiosvar.h
+++ b/sys/arch/amd64/include/mpbiosvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: mpbiosvar.h,v 1.1 2004/01/28 01:39:39 mickey Exp $ */
+/* $OpenBSD: mpbiosvar.h,v 1.2 2006/03/22 21:16:00 kettenis Exp $ */
/* $NetBSD: mpbiosvar.h,v 1.2 2003/04/02 07:53:57 thorpej Exp $ */
/*-
@@ -54,6 +54,8 @@
void mpbios_scan(struct device *);
int mpbios_probe(struct device *);
+void mpbios_intr_fixup(void);
+
extern int mpbios_scanned;
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 17:42:03 +0000