[deliverable/linux.git] / arch / x86 / pci / common.c

/*
 *	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 <asm/pci_x86.h>

unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
				PCI_PROBE_MMCONF;

unsigned int pci_early_dump_regs;
static int pci_bf_sort;
int pci_routeirq;
int noioapicquirk;
#ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
int noioapicreroute = 0;
#else
int noioapicreroute = 1;
#endif
int pcibios_last_bus = -1;
unsigned long pirq_table_addr;
struct pci_bus *pci_root_bus;
struct pci_raw_ops *raw_pci_ops;
struct pci_raw_ops *raw_pci_ext_ops;

int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
						int reg, int len, u32 *val)
{
	if (domain == 0 && reg < 256 && raw_pci_ops)
		return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
	if (raw_pci_ext_ops)
		return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
	return -EINVAL;
}

int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
						int reg, int len, u32 val)
{
	if (domain == 0 && reg < 256 && raw_pci_ops)
		return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
	if (raw_pci_ext_ops)
		return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
	return -EINVAL;
}

static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
{
	return raw_pci_read(pci_domain_nr(bus), 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_write(pci_domain_nr(bus), 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);

static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
{
	pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
	printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
	return 0;
}

static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
/*
 * Systems where PCI IO resource ISA alignment can be skipped
 * when the ISA enable bit in the bridge control is not set
 */
	{
		.callback = can_skip_ioresource_align,
		.ident = "IBM System x3800",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
			DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
		},
	},
	{
		.callback = can_skip_ioresource_align,
		.ident = "IBM System x3850",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
			DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
		},
	},
	{
		.callback = can_skip_ioresource_align,
		.ident = "IBM System x3950",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
			DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
		},
	},
	{}
};

void __init dmi_check_skip_isa_align(void)
{
	dmi_check_system(can_skip_pciprobe_dmi_table);
}

static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
{
	struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];

	if (pci_probe & PCI_NOASSIGN_ROMS) {
		if (rom_r->parent)
			return;
		if (rom_r->start) {
			/* we deal with BIOS assigned ROM later */
			return;
		}
		rom_r->start = rom_r->end = rom_r->flags = 0;
	}
}

/*
 *  Called after each bus is probed, but before its children
 *  are examined.
 */

void __devinit  pcibios_fixup_bus(struct pci_bus *b)
{
	struct pci_dev *dev;

	pci_read_bridge_bases(b);
	list_for_each_entry(dev, &b->devices, bus_list)
		pcibios_fixup_device_resources(dev);
}

/*
 * 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(const 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(const 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"),
		},
	},
	{
		.callback = set_bf_sort,
		.ident = "HP ProLiant DL360",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
		},
	},
	{
		.callback = set_bf_sort,
		.ident = "HP ProLiant DL380",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
		},
	},
#ifdef __i386__
	{
		.callback = assign_all_busses,
		.ident = "Compaq EVO N800c",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
			DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
		},
	},
#endif
	{
		.callback = set_bf_sort,
		.ident = "HP ProLiant DL385 G2",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
		},
	},
	{
		.callback = set_bf_sort,
		.ident = "HP ProLiant DL585 G2",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
		},
	},
	{}
};

void __init dmi_check_pciprobe(void)
{
	dmi_check_system(pciprobe_dmi_table);
}

struct pci_bus * __devinit pcibios_scan_root(int busnum)
{
	struct pci_bus *bus = NULL;
	struct pci_sysdata *sd;

	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;
	}

	sd->node = get_mp_bus_to_node(busnum);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Low-Level PCI Support for PC
	3	*
	4	* (c) 1999--2000 Martin Mares <mj@ucw.cz>
	5	*/
	6
	7	#include <linux/sched.h>
	8	#include <linux/pci.h>
	9	#include <linux/ioport.h>
	10	#include <linux/init.h>
8c4b2cf9	11	#include <linux/dmi.h>
1da177e4 LT	12
	13	#include <asm/acpi.h>
	14	#include <asm/segment.h>
	15	#include <asm/io.h>
	16	#include <asm/smp.h>
82487711	17	#include <asm/pci_x86.h>
1da177e4	18
1da177e4 LT	19	unsigned int pci_probe = PCI_PROBE_BIOS \| PCI_PROBE_CONF1 \| PCI_PROBE_CONF2 \|
	20	PCI_PROBE_MMCONF;
	21
e3f2baeb	22	unsigned int pci_early_dump_regs;
2b290da0	23	static int pci_bf_sort;
1da177e4	24	int pci_routeirq;
a9322f64	25	int noioapicquirk;
41b9eb26 SA	26	#ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
	27	int noioapicreroute = 0;
	28	#else
9197979b	29	int noioapicreroute = 1;
41b9eb26	30	#endif
1da177e4	31	int pcibios_last_bus = -1;
120bb424	32	unsigned long pirq_table_addr;
120bb424	33	struct pci_bus *pci_root_bus;
1da177e4	34	struct pci_raw_ops *raw_pci_ops;
b6ce068a MW	35	struct pci_raw_ops *raw_pci_ext_ops;
	36
	37	int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
	38	int reg, int len, u32 *val)
	39	{
beef3129	40	if (domain == 0 && reg < 256 && raw_pci_ops)
b6ce068a MW	41	return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
	42	if (raw_pci_ext_ops)
	43	return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
	44	return -EINVAL;
	45	}
	46
	47	int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
	48	int reg, int len, u32 val)
	49	{
beef3129	50	if (domain == 0 && reg < 256 && raw_pci_ops)
b6ce068a MW	51	return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
	52	if (raw_pci_ext_ops)
	53	return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
	54	return -EINVAL;
	55	}
1da177e4 LT	56
	57	static int pci_read(struct pci_bus bus, unsigned int devfn, int where, int size, u32 value)
	58	{
b6ce068a	59	return raw_pci_read(pci_domain_nr(bus), bus->number,
a79e4198	60	devfn, where, size, value);
1da177e4 LT	61	}
	62
	63	static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
	64	{
b6ce068a	65	return raw_pci_write(pci_domain_nr(bus), bus->number,
a79e4198	66	devfn, where, size, value);
1da177e4 LT	67	}
	68
	69	struct pci_ops pci_root_ops = {
	70	.read = pci_read,
	71	.write = pci_write,
	72	};
	73
	74	/*
	75	* legacy, numa, and acpi all want to call pcibios_scan_root
	76	* from their initcalls. This flag prevents that.
	77	*/
	78	int pcibios_scanned;
	79
	80	/*
	81	* This interrupt-safe spinlock protects all accesses to PCI
	82	* configuration space.
	83	*/
	84	DEFINE_SPINLOCK(pci_config_lock);
	85
13a6ddb0 YL	86	static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
	87	{
	88	pci_probe \|= PCI_CAN_SKIP_ISA_ALIGN;
	89	printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
	90	return 0;
	91	}
	92
	93	static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
	94	/*
	95	* Systems where PCI IO resource ISA alignment can be skipped
	96	* when the ISA enable bit in the bridge control is not set
	97	*/
	98	{
	99	.callback = can_skip_ioresource_align,
	100	.ident = "IBM System x3800",
	101	.matches = {
	102	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	103	DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
	104	},
	105	},
	106	{
	107	.callback = can_skip_ioresource_align,
	108	.ident = "IBM System x3850",
	109	.matches = {
	110	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	111	DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
	112	},
	113	},
	114	{
	115	.callback = can_skip_ioresource_align,
	116	.ident = "IBM System x3950",
	117	.matches = {
	118	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	119	DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
	120	},
	121	},
	122	{}
	123	};
	124
	125	void __init dmi_check_skip_isa_align(void)
	126	{
	127	dmi_check_system(can_skip_pciprobe_dmi_table);
	128	}
	129
bb71ad88 GH	130	static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
	131	{
	132	struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
	133
	134	if (pci_probe & PCI_NOASSIGN_ROMS) {
	135	if (rom_r->parent)
	136	return;
	137	if (rom_r->start) {
	138	/* we deal with BIOS assigned ROM later */
	139	return;
	140	}
	141	rom_r->start = rom_r->end = rom_r->flags = 0;
	142	}
	143	}
	144
1da177e4 LT	145	/*
	146	* Called after each bus is probed, but before its children
	147	* are examined.
	148	*/
	149
	150	void __devinit pcibios_fixup_bus(struct pci_bus *b)
	151	{
bb71ad88 GH	152	struct pci_dev *dev;
bb71ad88 GH	153
1da177e4	154	pci_read_bridge_bases(b);
bb71ad88 GH	155	list_for_each_entry(dev, &b->devices, bus_list)
bb71ad88 GH	156	pcibios_fixup_device_resources(dev);
1da177e4 LT	157	}
1da177e4 LT	158
6b4b78fe MD	159	/*
	160	* Only use DMI information to set this if nothing was passed
	161	* on the kernel command line (which was parsed earlier).
	162	*/
	163
1855256c	164	static int __devinit set_bf_sort(const struct dmi_system_id *d)
6b4b78fe MD	165	{
	166	if (pci_bf_sort == pci_bf_sort_default) {
	167	pci_bf_sort = pci_dmi_bf;
	168	printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
	169	}
	170	return 0;
	171	}
	172
8c4b2cf9 BK	173	/*
	174	* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
	175	*/
	176	#ifdef __i386__
1855256c	177	static int __devinit assign_all_busses(const struct dmi_system_id *d)
8c4b2cf9 BK	178	{
	179	pci_probe \|= PCI_ASSIGN_ALL_BUSSES;
	180	printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
	181	" (pci=assign-busses)\n", d->ident);
	182	return 0;
	183	}
	184	#endif
	185
6b4b78fe MD	186	static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
6b4b78fe MD	187	#ifdef __i386__
8c4b2cf9 BK	188	/*
	189	* Laptops which need pci=assign-busses to see Cardbus cards
	190	*/
8c4b2cf9 BK	191	{
	192	.callback = assign_all_busses,
	193	.ident = "Samsung X20 Laptop",
	194	.matches = {
	195	DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
	196	DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
	197	},
	198	},
	199	#endif /* __i386__ */
6b4b78fe MD	200	{
	201	.callback = set_bf_sort,
	202	.ident = "Dell PowerEdge 1950",
	203	.matches = {
	204	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	205	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
	206	},
	207	},
	208	{
	209	.callback = set_bf_sort,
	210	.ident = "Dell PowerEdge 1955",
	211	.matches = {
	212	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	213	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
	214	},
	215	},
	216	{
	217	.callback = set_bf_sort,
	218	.ident = "Dell PowerEdge 2900",
	219	.matches = {
	220	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	221	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
	222	},
	223	},
	224	{
	225	.callback = set_bf_sort,
	226	.ident = "Dell PowerEdge 2950",
	227	.matches = {
	228	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	229	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
	230	},
	231	},
f7a9dae7 MD	232	{
	233	.callback = set_bf_sort,
	234	.ident = "Dell PowerEdge R900",
	235	.matches = {
	236	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	237	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
	238	},
	239	},
f52383d3 AG	240	{
	241	.callback = set_bf_sort,
	242	.ident = "HP ProLiant BL20p G3",
	243	.matches = {
	244	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	245	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
	246	},
	247	},
	248	{
	249	.callback = set_bf_sort,
	250	.ident = "HP ProLiant BL20p G4",
	251	.matches = {
	252	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	253	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
	254	},
	255	},
	256	{
	257	.callback = set_bf_sort,
	258	.ident = "HP ProLiant BL30p G1",
	259	.matches = {
	260	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	261	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
	262	},
	263	},
	264	{
	265	.callback = set_bf_sort,
	266	.ident = "HP ProLiant BL25p G1",
	267	.matches = {
	268	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	269	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
	270	},
	271	},
	272	{
	273	.callback = set_bf_sort,
	274	.ident = "HP ProLiant BL35p G1",
	275	.matches = {
	276	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	277	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
	278	},
	279	},
	280	{
	281	.callback = set_bf_sort,
	282	.ident = "HP ProLiant BL45p G1",
	283	.matches = {
	284	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	285	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
	286	},
	287	},
	288	{
	289	.callback = set_bf_sort,
	290	.ident = "HP ProLiant BL45p G2",
	291	.matches = {
	292	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	293	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
	294	},
	295	},
	296	{
	297	.callback = set_bf_sort,
	298	.ident = "HP ProLiant BL460c G1",
	299	.matches = {
	300	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	301	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
	302	},
	303	},
304	{
305	.callback = set_bf_sort,
306	.ident = "HP ProLiant BL465c G1",
307	.matches = {
308	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
309	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
310	},
311	},
312	{
313	.callback = set_bf_sort,
314	.ident = "HP ProLiant BL480c G1",
315	.matches = {
316	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
317	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
318	},
319	},
320	{
321	.callback = set_bf_sort,
322	.ident = "HP ProLiant BL685c G1",
323	.matches = {
324	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
325	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
326	},
327	},
8f8ae1a7 MS	328	{
8f8ae1a7 MS	329	.callback = set_bf_sort,
8d64c781	330	.ident = "HP ProLiant DL360",
8f8ae1a7 MS	331	.matches = {
8f8ae1a7 MS	332	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	333	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
8f8ae1a7 MS	334	},
	335	},
	336	{
	337	.callback = set_bf_sort,
8d64c781	338	.ident = "HP ProLiant DL380",
8f8ae1a7 MS	339	.matches = {
8f8ae1a7 MS	340	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	341	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
8f8ae1a7 MS	342	},
8f8ae1a7 MS	343	},
5b1ea82f JL	344	#ifdef __i386__
	345	{
	346	.callback = assign_all_busses,
	347	.ident = "Compaq EVO N800c",
	348	.matches = {
	349	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
	350	DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
	351	},
	352	},
	353	#endif
c82bc5ad MS	354	{
c82bc5ad MS	355	.callback = set_bf_sort,
739db07f	356	.ident = "HP ProLiant DL385 G2",
c82bc5ad MS	357	.matches = {
c82bc5ad MS	358	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	359	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
c82bc5ad MS	360	},
	361	},
	362	{
	363	.callback = set_bf_sort,
739db07f	364	.ident = "HP ProLiant DL585 G2",
c82bc5ad MS	365	.matches = {
c82bc5ad MS	366	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	367	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
c82bc5ad MS	368	},
c82bc5ad MS	369	},
8c4b2cf9 BK	370	{}
8c4b2cf9 BK	371	};
1da177e4	372
0df18ff3 YL	373	void __init dmi_check_pciprobe(void)
	374	{
	375	dmi_check_system(pciprobe_dmi_table);
	376	}
	377
1da177e4 LT	378	struct pci_bus * __devinit pcibios_scan_root(int busnum)
	379	{
	380	struct pci_bus *bus = NULL;
08f1c192	381	struct pci_sysdata *sd;
1da177e4 LT	382
	383	while ((bus = pci_find_next_bus(bus)) != NULL) {
	384	if (bus->number == busnum) {
	385	/* Already scanned */
	386	return bus;
	387	}
	388	}
	389
08f1c192 MBY	390	/* Allocate per-root-bus (not per bus) arch-specific data.
	391	* TODO: leak; this memory is never freed.
	392	* It's arguable whether it's worth the trouble to care.
	393	*/
	394	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	395	if (!sd) {
	396	printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
	397	return NULL;
	398	}
	399
871d5f8d YL	400	sd->node = get_mp_bus_to_node(busnum);
871d5f8d YL	401