Move {amd64,i386}/pci/pci_bus.c and {amd64,i386}/include/pci_cfgreg.h to

the x86 tree.  The $PIR code is still only enabled on i386 and not amd64.
While here, make the qpi(4) driver on conditional on 'device pci'.

2 files changed, 3 insertions, 476 deletions

diff --git a/sys/amd64/include/pci_cfgreg.h b/sys/amd64/include/pci_cfgreg.h
index 0358e79..717d5cc 100644
--- a/sys/amd64/include/pci_cfgreg.h
+++ b/sys/amd64/include/pci_cfgreg.h
@@ -1,44 +1,6 @@
 /*-
- * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
- * 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 unmodified, 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.
- *
- * 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 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 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.
- *
- * $FreeBSD$
- *
+ * This file is in the public domain.
  */
+/* $FreeBSD$ */
 
-#define CONF1_ADDR_PORT    0x0cf8
-#define CONF1_DATA_PORT    0x0cfc
-
-#define CONF1_ENABLE       0x80000000ul
-#define CONF1_ENABLE_CHK   0x80000000ul
-#define CONF1_ENABLE_MSK   0x7f000000ul
-#define CONF1_ENABLE_CHK1  0xff000001ul
-#define CONF1_ENABLE_MSK1  0x80000001ul
-#define CONF1_ENABLE_RES1  0x80000000ul
-
-u_long		hostb_alloc_start(int type, u_long start, u_long end, u_long count);
-int		pcie_cfgregopen(uint64_t base, uint8_t minbus, uint8_t maxbus);
-int		pci_cfgregopen(void);
-u_int32_t	pci_cfgregread(int bus, int slot, int func, int reg, int bytes);
-void		pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes);
+#include <x86/pci_cfgreg.h>
diff --git a/sys/amd64/pci/pci_bus.c b/sys/amd64/pci/pci_bus.c
deleted file mode 100644
index 6d58575..0000000
--- a/sys/amd64/pci/pci_bus.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*-
- * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
- * 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 unmodified, 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.
- *
- * 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 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 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "opt_cpu.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/module.h>
-#include <sys/rman.h>
-#include <sys/sysctl.h>
-
-#include <dev/pci/pcivar.h>
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcib_private.h>
-#include <isa/isavar.h>
-#include <machine/legacyvar.h>
-#include <machine/pci_cfgreg.h>
-#include <machine/resource.h>
-
-#include "pcib_if.h"
-
-int
-legacy_pcib_maxslots(device_t dev)
-{
-	return 31;
-}
-
-/* read configuration space register */
-
-uint32_t
-legacy_pcib_read_config(device_t dev, u_int bus, u_int slot, u_int func,
-			u_int reg, int bytes)
-{
-	return(pci_cfgregread(bus, slot, func, reg, bytes));
-}
-
-/* write configuration space register */
-
-void
-legacy_pcib_write_config(device_t dev, u_int bus, u_int slot, u_int func,
-			 u_int reg, uint32_t data, int bytes)
-{
-	pci_cfgregwrite(bus, slot, func, reg, data, bytes);
-}
-
-/* route interrupt */
-
-static int
-legacy_pcib_route_interrupt(device_t pcib, device_t dev, int pin)
-{
-
-	/* No routing possible */
-	return (PCI_INVALID_IRQ);
-}
-
-/* Pass MSI requests up to the nexus. */
-
-static int
-legacy_pcib_alloc_msi(device_t pcib, device_t dev, int count, int maxcount,
-    int *irqs)
-{
-	device_t bus;
-
-	bus = device_get_parent(pcib);
-	return (PCIB_ALLOC_MSI(device_get_parent(bus), dev, count, maxcount,
-	    irqs));
-}
-
-static int
-legacy_pcib_alloc_msix(device_t pcib, device_t dev, int *irq)
-{
-	device_t bus;
-
-	bus = device_get_parent(pcib);
-	return (PCIB_ALLOC_MSIX(device_get_parent(bus), dev, irq));
-}
-
-static int
-legacy_pcib_map_msi(device_t pcib, device_t dev, int irq, uint64_t *addr,
-    uint32_t *data)
-{
-	device_t bus;
-
-	bus = device_get_parent(pcib);
-	return (PCIB_MAP_MSI(device_get_parent(bus), dev, irq, addr, data));
-}
-
-static const char *
-legacy_pcib_is_host_bridge(int bus, int slot, int func,
-			  uint32_t id, uint8_t class, uint8_t subclass,
-			  uint8_t *busnum)
-{
-	const char *s = NULL;
-
-	*busnum = 0;
-	if (class == PCIC_BRIDGE && subclass == PCIS_BRIDGE_HOST)
-		s = "Host to PCI bridge";
-	return s;
-}
-
-/*
- * Scan the first pci bus for host-pci bridges and add pcib instances
- * to the nexus for each bridge.
- */
-static void
-legacy_pcib_identify(driver_t *driver, device_t parent)
-{
-	int bus, slot, func;
-	uint8_t  hdrtype;
-	int found = 0;
-	int pcifunchigh;
-	int found824xx = 0;
-	int found_orion = 0;
-	device_t child;
-	devclass_t pci_devclass;
-
-	if (pci_cfgregopen() == 0)
-		return;
-	/*
-	 * Check to see if we haven't already had a PCI bus added
-	 * via some other means.  If we have, bail since otherwise
-	 * we're going to end up duplicating it.
-	 */
-	if ((pci_devclass = devclass_find("pci")) &&
-		devclass_get_device(pci_devclass, 0))
-		return;
-
-
-	bus = 0;
- retry:
-	for (slot = 0; slot <= PCI_SLOTMAX; slot++) {
-		func = 0;
-		hdrtype = legacy_pcib_read_config(0, bus, slot, func,
-						 PCIR_HDRTYPE, 1);
-		/*
-		 * When enumerating bus devices, the standard says that
-		 * one should check the header type and ignore the slots whose
-		 * header types that the software doesn't know about.  We use
-		 * this to filter out devices.
-		 */
-		if ((hdrtype & PCIM_HDRTYPE) > PCI_MAXHDRTYPE)
-			continue;
-		if ((hdrtype & PCIM_MFDEV) &&
-		    (!found_orion || hdrtype != 0xff))
-			pcifunchigh = PCI_FUNCMAX;
-		else
-			pcifunchigh = 0;
-		for (func = 0; func <= pcifunchigh; func++) {
-			/*
-			 * Read the IDs and class from the device.
-			 */
-			uint32_t id;
-			uint8_t class, subclass, busnum;
-			const char *s;
-			device_t *devs;
-			int ndevs, i;
-
-			id = legacy_pcib_read_config(0, bus, slot, func,
-						    PCIR_DEVVENDOR, 4);
-			if (id == -1)
-				continue;
-			class = legacy_pcib_read_config(0, bus, slot, func,
-						       PCIR_CLASS, 1);
-			subclass = legacy_pcib_read_config(0, bus, slot, func,
-							  PCIR_SUBCLASS, 1);
-
-			s = legacy_pcib_is_host_bridge(bus, slot, func,
-						      id, class, subclass,
-						      &busnum);
-			if (s == NULL)
-				continue;
-
-			/*
-			 * Check to see if the physical bus has already
-			 * been seen.  Eg: hybrid 32 and 64 bit host
-			 * bridges to the same logical bus.
-			 */
-			if (device_get_children(parent, &devs, &ndevs) == 0) {
-				for (i = 0; s != NULL && i < ndevs; i++) {
-					if (strcmp(device_get_name(devs[i]),
-					    "pcib") != 0)
-						continue;
-					if (legacy_get_pcibus(devs[i]) == busnum)
-						s = NULL;
-				}
-				free(devs, M_TEMP);
-			}
-
-			if (s == NULL)
-				continue;
-			/*
-			 * Add at priority 100 to make sure we
-			 * go after any motherboard resources
-			 */
-			child = BUS_ADD_CHILD(parent, 100,
-					      "pcib", busnum);
-			device_set_desc(child, s);
-			legacy_set_pcibus(child, busnum);
-
-			found = 1;
-			if (id == 0x12258086)
-				found824xx = 1;
-			if (id == 0x84c48086)
-				found_orion = 1;
-		}
-	}
-	if (found824xx && bus == 0) {
-		bus++;
-		goto retry;
-	}
-
-	/*
-	 * Make sure we add at least one bridge since some old
-	 * hardware doesn't actually have a host-pci bridge device.
-	 * Note that pci_cfgregopen() thinks we have PCI devices..
-	 */
-	if (!found) {
-		if (bootverbose)
-			printf(
-	"legacy_pcib_identify: no bridge found, adding pcib0 anyway\n");
-		child = BUS_ADD_CHILD(parent, 100, "pcib", 0);
-		legacy_set_pcibus(child, 0);
-	}
-}
-
-static int
-legacy_pcib_probe(device_t dev)
-{
-
-	if (pci_cfgregopen() == 0)
-		return ENXIO;
-	return -100;
-}
-
-static int
-legacy_pcib_attach(device_t dev)
-{
-	int bus;
-
-	bus = pcib_get_bus(dev);
-	device_add_child(dev, "pci", bus);
-	return bus_generic_attach(dev);
-}
-
-int
-legacy_pcib_read_ivar(device_t dev, device_t child, int which,
-    uintptr_t *result)
-{
-
-	switch (which) {
-	case  PCIB_IVAR_DOMAIN:
-		*result = 0;
-		return 0;
-	case  PCIB_IVAR_BUS:
-		*result = legacy_get_pcibus(dev);
-		return 0;
-	}
-	return ENOENT;
-}
-
-int
-legacy_pcib_write_ivar(device_t dev, device_t child, int which,
-    uintptr_t value)
-{
-
-	switch (which) {
-	case  PCIB_IVAR_DOMAIN:
-		return EINVAL;
-	case  PCIB_IVAR_BUS:
-		legacy_set_pcibus(dev, value);
-		return 0;
-	}
-	return ENOENT;
-}
-
-/*
- * Helper routine for x86 Host-PCI bridge driver resource allocation.
- * This is used to adjust the start address of wildcard allocation
- * requests to avoid low addresses that are known to be problematic.
- *
- * If no memory preference is given, use upper 32MB slot most BIOSes
- * use for their memory window.  This is typically only used on older
- * laptops that don't have PCI busses behind a PCI bridge, so assuming
- * > 32MB is likely OK.
- *	
- * However, this can cause problems for other chipsets, so we make
- * this tunable by hw.pci.host_mem_start.
- */
-SYSCTL_DECL(_hw_pci);
-
-static unsigned long host_mem_start = 0x80000000;
-TUNABLE_ULONG("hw.pci.host_mem_start", &host_mem_start);
-SYSCTL_ULONG(_hw_pci, OID_AUTO, host_mem_start, CTLFLAG_RDTUN, &host_mem_start,
-    0, "Limit the host bridge memory to being above this address.");
-
-u_long
-hostb_alloc_start(int type, u_long start, u_long end, u_long count)
-{
-
-	if (start + count - 1 != end) {
-		if (type == SYS_RES_MEMORY && start < host_mem_start)
-			start = host_mem_start;
-		if (type == SYS_RES_IOPORT && start < 0x1000)
-			start = 0x1000;
-	}
-	return (start);
-}
-
-struct resource *
-legacy_pcib_alloc_resource(device_t dev, device_t child, int type, int *rid,
-    u_long start, u_long end, u_long count, u_int flags)
-{
-
-    start = hostb_alloc_start(type, start, end, count);
-    return (bus_generic_alloc_resource(dev, child, type, rid, start, end,
-	count, flags));
-}
-
-static device_method_t legacy_pcib_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_identify,	legacy_pcib_identify),
-	DEVMETHOD(device_probe,		legacy_pcib_probe),
-	DEVMETHOD(device_attach,	legacy_pcib_attach),
-	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
-	DEVMETHOD(device_suspend,	bus_generic_suspend),
-	DEVMETHOD(device_resume,	bus_generic_resume),
-
-	/* Bus interface */
-	DEVMETHOD(bus_print_child,	bus_generic_print_child),
-	DEVMETHOD(bus_read_ivar,	legacy_pcib_read_ivar),
-	DEVMETHOD(bus_write_ivar,	legacy_pcib_write_ivar),
-	DEVMETHOD(bus_alloc_resource,	legacy_pcib_alloc_resource),
-	DEVMETHOD(bus_adjust_resource,	bus_generic_adjust_resource),
-	DEVMETHOD(bus_release_resource,	bus_generic_release_resource),
-	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
-	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
-	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
-	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
-
-	/* pcib interface */
-	DEVMETHOD(pcib_maxslots,	legacy_pcib_maxslots),
-	DEVMETHOD(pcib_read_config,	legacy_pcib_read_config),
-	DEVMETHOD(pcib_write_config,	legacy_pcib_write_config),
-	DEVMETHOD(pcib_route_interrupt,	legacy_pcib_route_interrupt),
-	DEVMETHOD(pcib_alloc_msi,	legacy_pcib_alloc_msi),
-	DEVMETHOD(pcib_release_msi,	pcib_release_msi),
-	DEVMETHOD(pcib_alloc_msix,	legacy_pcib_alloc_msix),
-	DEVMETHOD(pcib_release_msix,	pcib_release_msix),
-	DEVMETHOD(pcib_map_msi,		legacy_pcib_map_msi),
-
-	{ 0, 0 }
-};
-
-static devclass_t hostb_devclass;
-
-DEFINE_CLASS_0(pcib, legacy_pcib_driver, legacy_pcib_methods, 1);
-DRIVER_MODULE(pcib, legacy, legacy_pcib_driver, hostb_devclass, 0, 0);
-
-
-/*
- * Install placeholder to claim the resources owned by the
- * PCI bus interface.  This could be used to extract the
- * config space registers in the extreme case where the PnP
- * ID is available and the PCI BIOS isn't, but for now we just
- * eat the PnP ID and do nothing else.
- *
- * XXX we should silence this probe, as it will generally confuse
- * people.
- */
-static struct isa_pnp_id pcibus_pnp_ids[] = {
-	{ 0x030ad041 /* PNP0A03 */, "PCI Bus" },
-	{ 0x080ad041 /* PNP0A08 */, "PCIe Bus" },
-	{ 0 }
-};
-
-static int
-pcibus_pnp_probe(device_t dev)
-{
-	int result;
-
-	if ((result = ISA_PNP_PROBE(device_get_parent(dev), dev, pcibus_pnp_ids)) <= 0)
-		device_quiet(dev);
-	return(result);
-}
-
-static int
-pcibus_pnp_attach(device_t dev)
-{
-	return(0);
-}
-
-static device_method_t pcibus_pnp_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		pcibus_pnp_probe),
-	DEVMETHOD(device_attach,	pcibus_pnp_attach),
-	DEVMETHOD(device_detach,	bus_generic_detach),
-	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
-	DEVMETHOD(device_suspend,	bus_generic_suspend),
-	DEVMETHOD(device_resume,	bus_generic_resume),
-	{ 0, 0 }
-};
-
-static devclass_t pcibus_pnp_devclass;
-
-DEFINE_CLASS_0(pcibus_pnp, pcibus_pnp_driver, pcibus_pnp_methods, 1);
-DRIVER_MODULE(pcibus_pnp, isa, pcibus_pnp_driver, pcibus_pnp_devclass, 0, 0);