i386: move pci

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 480 deletions

diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
deleted file mode 100644
index ebc6f3c66340cc..00000000000000
--- a/arch/i386/pci/common.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- *	Low-Level PCI Support for PC
- *
- *	(c) 1999--2000 Martin Mares <mj@ucw.cz>
- */
-
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/dmi.h>
-
-#include <asm/acpi.h>
-#include <asm/segment.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-
-#include "pci.h"
-
-unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
-				PCI_PROBE_MMCONF;
-
-static int pci_bf_sort;
-int pci_routeirq;
-int pcibios_last_bus = -1;
-unsigned long pirq_table_addr;
-struct pci_bus *pci_root_bus;
-struct pci_raw_ops *raw_pci_ops;
-
-static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
-{
-	return raw_pci_ops->read(0, bus->number, devfn, where, size, value);
-}
-
-static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
-{
-	return raw_pci_ops->write(0, bus->number, devfn, where, size, value);
-}
-
-struct pci_ops pci_root_ops = {
-	.read = pci_read,
-	.write = pci_write,
-};
-
-/*
- * legacy, numa, and acpi all want to call pcibios_scan_root
- * from their initcalls. This flag prevents that.
- */
-int pcibios_scanned;
-
-/*
- * This interrupt-safe spinlock protects all accesses to PCI
- * configuration space.
- */
-DEFINE_SPINLOCK(pci_config_lock);
-
-/*
- * Several buggy motherboards address only 16 devices and mirror
- * them to next 16 IDs. We try to detect this `feature' on all
- * primary buses (those containing host bridges as they are
- * expected to be unique) and remove the ghost devices.
- */
-
-static void __devinit pcibios_fixup_ghosts(struct pci_bus *b)
-{
-	struct list_head *ln, *mn;
-	struct pci_dev *d, *e;
-	int mirror = PCI_DEVFN(16,0);
-	int seen_host_bridge = 0;
-	int i;
-
-	DBG("PCI: Scanning for ghost devices on bus %d\n", b->number);
-	list_for_each(ln, &b->devices) {
-		d = pci_dev_b(ln);
-		if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST)
-			seen_host_bridge++;
-		for (mn=ln->next; mn != &b->devices; mn=mn->next) {
-			e = pci_dev_b(mn);
-			if (e->devfn != d->devfn + mirror ||
-			    e->vendor != d->vendor ||
-			    e->device != d->device ||
-			    e->class != d->class)
-				continue;
-			for(i=0; i<PCI_NUM_RESOURCES; i++)
-				if (e->resource[i].start != d->resource[i].start ||
-				    e->resource[i].end != d->resource[i].end ||
-				    e->resource[i].flags != d->resource[i].flags)
-					continue;
-			break;
-		}
-		if (mn == &b->devices)
-			return;
-	}
-	if (!seen_host_bridge)
-		return;
-	printk(KERN_WARNING "PCI: Ignoring ghost devices on bus %02x\n", b->number);
-
-	ln = &b->devices;
-	while (ln->next != &b->devices) {
-		d = pci_dev_b(ln->next);
-		if (d->devfn >= mirror) {
-			list_del(&d->global_list);
-			list_del(&d->bus_list);
-			kfree(d);
-		} else
-			ln = ln->next;
-	}
-}
-
-/*
- *  Called after each bus is probed, but before its children
- *  are examined.
- */
-
-void __devinit  pcibios_fixup_bus(struct pci_bus *b)
-{
-	pcibios_fixup_ghosts(b);
-	pci_read_bridge_bases(b);
-}
-
-/*
- * Only use DMI information to set this if nothing was passed
- * on the kernel command line (which was parsed earlier).
- */
-
-static int __devinit set_bf_sort(struct dmi_system_id *d)
-{
-	if (pci_bf_sort == pci_bf_sort_default) {
-		pci_bf_sort = pci_dmi_bf;
-		printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
-	}
-	return 0;
-}
-
-/*
- * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
- */
-#ifdef __i386__
-static int __devinit assign_all_busses(struct dmi_system_id *d)
-{
-	pci_probe |= PCI_ASSIGN_ALL_BUSSES;
-	printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
-			" (pci=assign-busses)\n", d->ident);
-	return 0;
-}
-#endif
-
-static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
-#ifdef __i386__
-/*
- * Laptops which need pci=assign-busses to see Cardbus cards
- */
-	{
-		.callback = assign_all_busses,
-		.ident = "Samsung X20 Laptop",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
-		},
-	},
-#endif		/* __i386__ */
-	{
-		.callback = set_bf_sort,
-		.ident = "Dell PowerEdge 1950",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "Dell PowerEdge 1955",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "Dell PowerEdge 2900",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "Dell PowerEdge 2950",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "Dell PowerEdge R900",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL20p G3",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL20p G4",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL30p G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL25p G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL35p G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL45p G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL45p G2",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL460c G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL465c G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL480c G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
-		},
-	},
-	{
-		.callback = set_bf_sort,
-		.ident = "HP ProLiant BL685c G1",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
-		},
-	},
-	{}
-};
-
-struct pci_bus * __devinit pcibios_scan_root(int busnum)
-{
-	struct pci_bus *bus = NULL;
-	struct pci_sysdata *sd;
-
-	dmi_check_system(pciprobe_dmi_table);
-
-	while ((bus = pci_find_next_bus(bus)) != NULL) {
-		if (bus->number == busnum) {
-			/* Already scanned */
-			return bus;
-		}
-	}
-
-	/* Allocate per-root-bus (not per bus) arch-specific data.
-	 * TODO: leak; this memory is never freed.
-	 * It's arguable whether it's worth the trouble to care.
-	 */
-	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
-	if (!sd) {
-		printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
-		return NULL;
-	}
-
-	printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum);
-
-	return pci_scan_bus_parented(NULL, busnum, &pci_root_ops, sd);
-}
-
-extern u8 pci_cache_line_size;
-
-static int __init pcibios_init(void)
-{
-	struct cpuinfo_x86 *c = &boot_cpu_data;
-
-	if (!raw_pci_ops) {
-		printk(KERN_WARNING "PCI: System does not support PCI\n");
-		return 0;
-	}
-
-	/*
-	 * Assume PCI cacheline size of 32 bytes for all x86s except K7/K8
-	 * and P4. It's also good for 386/486s (which actually have 16)
-	 * as quite a few PCI devices do not support smaller values.
-	 */
-	pci_cache_line_size = 32 >> 2;
-	if (c->x86 >= 6 && c->x86_vendor == X86_VENDOR_AMD)
-		pci_cache_line_size = 64 >> 2;	/* K7 & K8 */
-	else if (c->x86 > 6 && c->x86_vendor == X86_VENDOR_INTEL)
-		pci_cache_line_size = 128 >> 2;	/* P4 */
-
-	pcibios_resource_survey();
-
-	if (pci_bf_sort >= pci_force_bf)
-		pci_sort_breadthfirst();
-#ifdef CONFIG_PCI_BIOS
-	if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
-		pcibios_sort();
-#endif
-	return 0;
-}
-
-subsys_initcall(pcibios_init);
-
-char * __devinit  pcibios_setup(char *str)
-{
-	if (!strcmp(str, "off")) {
-		pci_probe = 0;
-		return NULL;
-	} else if (!strcmp(str, "bfsort")) {
-		pci_bf_sort = pci_force_bf;
-		return NULL;
-	} else if (!strcmp(str, "nobfsort")) {
-		pci_bf_sort = pci_force_nobf;
-		return NULL;
-	}
-#ifdef CONFIG_PCI_BIOS
-	else if (!strcmp(str, "bios")) {
-		pci_probe = PCI_PROBE_BIOS;
-		return NULL;
-	} else if (!strcmp(str, "nobios")) {
-		pci_probe &= ~PCI_PROBE_BIOS;
-		return NULL;
-	} else if (!strcmp(str, "nosort")) {
-		pci_probe |= PCI_NO_SORT;
-		return NULL;
-	} else if (!strcmp(str, "biosirq")) {
-		pci_probe |= PCI_BIOS_IRQ_SCAN;
-		return NULL;
-	} else if (!strncmp(str, "pirqaddr=", 9)) {
-		pirq_table_addr = simple_strtoul(str+9, NULL, 0);
-		return NULL;
-	}
-#endif
-#ifdef CONFIG_PCI_DIRECT
-	else if (!strcmp(str, "conf1")) {
-		pci_probe = PCI_PROBE_CONF1 | PCI_NO_CHECKS;
-		return NULL;
-	}
-	else if (!strcmp(str, "conf2")) {
-		pci_probe = PCI_PROBE_CONF2 | PCI_NO_CHECKS;
-		return NULL;
-	}
-#endif
-#ifdef CONFIG_PCI_MMCONFIG
-	else if (!strcmp(str, "nommconf")) {
-		pci_probe &= ~PCI_PROBE_MMCONF;
-		return NULL;
-	}
-#endif
-	else if (!strcmp(str, "noacpi")) {
-		acpi_noirq_set();
-		return NULL;
-	}
-	else if (!strcmp(str, "noearly")) {
-		pci_probe |= PCI_PROBE_NOEARLY;
-		return NULL;
-	}
-#ifndef CONFIG_X86_VISWS
-	else if (!strcmp(str, "usepirqmask")) {
-		pci_probe |= PCI_USE_PIRQ_MASK;
-		return NULL;
-	} else if (!strncmp(str, "irqmask=", 8)) {
-		pcibios_irq_mask = simple_strtol(str+8, NULL, 0);
-		return NULL;
-	} else if (!strncmp(str, "lastbus=", 8)) {
-		pcibios_last_bus = simple_strtol(str+8, NULL, 0);
-		return NULL;
-	}
-#endif
-	else if (!strcmp(str, "rom")) {
-		pci_probe |= PCI_ASSIGN_ROMS;
-		return NULL;
-	} else if (!strcmp(str, "assign-busses")) {
-		pci_probe |= PCI_ASSIGN_ALL_BUSSES;
-		return NULL;
-	} else if (!strcmp(str, "routeirq")) {
-		pci_routeirq = 1;
-		return NULL;
-	}
-	return str;
-}
-
-unsigned int pcibios_assign_all_busses(void)
-{
-	return (pci_probe & PCI_ASSIGN_ALL_BUSSES) ? 1 : 0;
-}
-
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
-	int err;
-
-	if ((err = pcibios_enable_resources(dev, mask)) < 0)
-		return err;
-
-	if (!dev->msi_enabled)
-		return pcibios_enable_irq(dev);
-	return 0;
-}
-
-void pcibios_disable_device (struct pci_dev *dev)
-{
-	if (!dev->msi_enabled && pcibios_disable_irq)
-		pcibios_disable_irq(dev);
-}
-
-struct pci_bus *pci_scan_bus_with_sysdata(int busno)
-{
-	struct pci_bus *bus = NULL;
-	struct pci_sysdata *sd;
-
-	/*
-	 * Allocate per-root-bus (not per bus) arch-specific data.
-	 * TODO: leak; this memory is never freed.
-	 * It's arguable whether it's worth the trouble to care.
-	 */
-	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
-	if (!sd) {
-		printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busno);
-		return NULL;
-	}
-	sd->node = -1;
-	bus = pci_scan_bus(busno, &pci_root_ops, sd);
-	if (!bus)
-		kfree(sd);
-
-	return bus;
-}