[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 "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 noioapicquirk;
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 (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 (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);
}

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

void __devinit  pcibios_fixup_bus(struct pci_bus *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(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 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"),
		},
	},
	{}
};

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>
	17
	18	#include "pci.h"
	19
1da177e4 LT	20	unsigned int pci_probe = PCI_PROBE_BIOS \| PCI_PROBE_CONF1 \| PCI_PROBE_CONF2 \|
	21	PCI_PROBE_MMCONF;
	22
2b290da0	23	static int pci_bf_sort;
1da177e4	24	int pci_routeirq;
a9322f64	25	int noioapicquirk;
1da177e4	26	int pcibios_last_bus = -1;
120bb424	27	unsigned long pirq_table_addr;
120bb424	28	struct pci_bus *pci_root_bus;
1da177e4	29	struct pci_raw_ops *raw_pci_ops;
b6ce068a MW	30	struct pci_raw_ops *raw_pci_ext_ops;
	31
	32	int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
	33	int reg, int len, u32 *val)
	34	{
	35	if (reg < 256 && raw_pci_ops)
	36	return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
	37	if (raw_pci_ext_ops)
	38	return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
	39	return -EINVAL;
	40	}
	41
	42	int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
	43	int reg, int len, u32 val)
	44	{
	45	if (reg < 256 && raw_pci_ops)
	46	return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
	47	if (raw_pci_ext_ops)
	48	return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
	49	return -EINVAL;
	50	}
1da177e4 LT	51
	52	static int pci_read(struct pci_bus bus, unsigned int devfn, int where, int size, u32 value)
	53	{
b6ce068a	54	return raw_pci_read(pci_domain_nr(bus), bus->number,
a79e4198	55	devfn, where, size, value);
1da177e4 LT	56	}
	57
	58	static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
	59	{
b6ce068a	60	return raw_pci_write(pci_domain_nr(bus), bus->number,
a79e4198	61	devfn, where, size, value);
1da177e4 LT	62	}
	63
	64	struct pci_ops pci_root_ops = {
	65	.read = pci_read,
	66	.write = pci_write,
	67	};
	68
	69	/*
	70	* legacy, numa, and acpi all want to call pcibios_scan_root
	71	* from their initcalls. This flag prevents that.
	72	*/
	73	int pcibios_scanned;
	74
	75	/*
	76	* This interrupt-safe spinlock protects all accesses to PCI
	77	* configuration space.
	78	*/
	79	DEFINE_SPINLOCK(pci_config_lock);
	80
13a6ddb0 YL	81	static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
	82	{
	83	pci_probe \|= PCI_CAN_SKIP_ISA_ALIGN;
	84	printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
	85	return 0;
	86	}
	87
	88	static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
	89	/*
	90	* Systems where PCI IO resource ISA alignment can be skipped
	91	* when the ISA enable bit in the bridge control is not set
	92	*/
	93	{
	94	.callback = can_skip_ioresource_align,
	95	.ident = "IBM System x3800",
	96	.matches = {
	97	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	98	DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
	99	},
	100	},
	101	{
	102	.callback = can_skip_ioresource_align,
	103	.ident = "IBM System x3850",
	104	.matches = {
	105	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	106	DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
	107	},
	108	},
	109	{
	110	.callback = can_skip_ioresource_align,
	111	.ident = "IBM System x3950",
	112	.matches = {
	113	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	114	DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
	115	},
	116	},
	117	{}
	118	};
	119
	120	void __init dmi_check_skip_isa_align(void)
	121	{
	122	dmi_check_system(can_skip_pciprobe_dmi_table);
	123	}
	124
1da177e4 LT	125	/*
	126	* Called after each bus is probed, but before its children
	127	* are examined.
	128	*/
	129
	130	void __devinit pcibios_fixup_bus(struct pci_bus *b)
	131	{
1da177e4 LT	132	pci_read_bridge_bases(b);
	133	}
	134
6b4b78fe MD	135	/*
	136	* Only use DMI information to set this if nothing was passed
	137	* on the kernel command line (which was parsed earlier).
	138	*/
	139
1855256c	140	static int __devinit set_bf_sort(const struct dmi_system_id *d)
6b4b78fe MD	141	{
	142	if (pci_bf_sort == pci_bf_sort_default) {
	143	pci_bf_sort = pci_dmi_bf;
	144	printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
	145	}
	146	return 0;
	147	}
	148
8c4b2cf9 BK	149	/*
	150	* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
	151	*/
	152	#ifdef __i386__
1855256c	153	static int __devinit assign_all_busses(const struct dmi_system_id *d)
8c4b2cf9 BK	154	{
	155	pci_probe \|= PCI_ASSIGN_ALL_BUSSES;
	156	printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
	157	" (pci=assign-busses)\n", d->ident);
	158	return 0;
	159	}
	160	#endif
	161
6b4b78fe MD	162	static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
6b4b78fe MD	163	#ifdef __i386__
8c4b2cf9 BK	164	/*
	165	* Laptops which need pci=assign-busses to see Cardbus cards
	166	*/
8c4b2cf9 BK	167	{
	168	.callback = assign_all_busses,
	169	.ident = "Samsung X20 Laptop",
	170	.matches = {
	171	DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
	172	DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
	173	},
	174	},
	175	#endif /* __i386__ */
6b4b78fe MD	176	{
	177	.callback = set_bf_sort,
	178	.ident = "Dell PowerEdge 1950",
	179	.matches = {
	180	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	181	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
	182	},
	183	},
	184	{
	185	.callback = set_bf_sort,
	186	.ident = "Dell PowerEdge 1955",
	187	.matches = {
	188	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	189	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
	190	},
	191	},
	192	{
	193	.callback = set_bf_sort,
	194	.ident = "Dell PowerEdge 2900",
	195	.matches = {
	196	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	197	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
	198	},
	199	},
	200	{
	201	.callback = set_bf_sort,
	202	.ident = "Dell PowerEdge 2950",
	203	.matches = {
	204	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	205	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
	206	},
	207	},
f7a9dae7 MD	208	{
	209	.callback = set_bf_sort,
	210	.ident = "Dell PowerEdge R900",
	211	.matches = {
	212	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	213	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
	214	},
	215	},
f52383d3 AG	216	{
	217	.callback = set_bf_sort,
	218	.ident = "HP ProLiant BL20p G3",
	219	.matches = {
	220	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	221	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
	222	},
	223	},
	224	{
	225	.callback = set_bf_sort,
	226	.ident = "HP ProLiant BL20p G4",
	227	.matches = {
	228	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	229	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
	230	},
	231	},
	232	{
	233	.callback = set_bf_sort,
	234	.ident = "HP ProLiant BL30p G1",
	235	.matches = {
	236	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	237	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
	238	},
	239	},
	240	{
	241	.callback = set_bf_sort,
	242	.ident = "HP ProLiant BL25p G1",
	243	.matches = {
	244	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	245	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
	246	},
	247	},
	248	{
	249	.callback = set_bf_sort,
	250	.ident = "HP ProLiant BL35p G1",
	251	.matches = {
	252	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	253	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
	254	},
	255	},
	256	{
	257	.callback = set_bf_sort,
	258	.ident = "HP ProLiant BL45p G1",
	259	.matches = {
	260	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	261	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
	262	},
	263	},
	264	{
	265	.callback = set_bf_sort,
	266	.ident = "HP ProLiant BL45p G2",
	267	.matches = {
	268	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	269	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
	270	},
	271	},
	272	{
	273	.callback = set_bf_sort,
	274	.ident = "HP ProLiant BL460c G1",
	275	.matches = {
	276	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	277	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
	278	},
	279	},
280	{
281	.callback = set_bf_sort,
282	.ident = "HP ProLiant BL465c G1",
283	.matches = {
284	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
285	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
286	},
287	},
288	{
289	.callback = set_bf_sort,
290	.ident = "HP ProLiant BL480c G1",
291	.matches = {
292	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
293	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
294	},
295	},
296	{
297	.callback = set_bf_sort,
298	.ident = "HP ProLiant BL685c G1",
299	.matches = {
300	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
301	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
302	},
303	},
8f8ae1a7 MS	304	{
8f8ae1a7 MS	305	.callback = set_bf_sort,
8d64c781	306	.ident = "HP ProLiant DL360",
8f8ae1a7 MS	307	.matches = {
8f8ae1a7 MS	308	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	309	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
8f8ae1a7 MS	310	},
	311	},
	312	{
	313	.callback = set_bf_sort,
8d64c781	314	.ident = "HP ProLiant DL380",
8f8ae1a7 MS	315	.matches = {
8f8ae1a7 MS	316	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	317	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
8f8ae1a7 MS	318	},
8f8ae1a7 MS	319	},
5b1ea82f JL	320	#ifdef __i386__
	321	{
	322	.callback = assign_all_busses,
	323	.ident = "Compaq EVO N800c",
	324	.matches = {
	325	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
	326	DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
	327	},
	328	},
	329	#endif
c82bc5ad MS	330	{
c82bc5ad MS	331	.callback = set_bf_sort,
a1676072	332	.ident = "HP ProLiant DL360",
c82bc5ad MS	333	.matches = {
c82bc5ad MS	334	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
a1676072	335	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
c82bc5ad MS	336	},
	337	},
	338	{
	339	.callback = set_bf_sort,
a1676072	340	.ident = "HP ProLiant DL380",
c82bc5ad MS	341	.matches = {
c82bc5ad MS	342	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
a1676072	343	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
c82bc5ad MS	344	},
c82bc5ad MS	345	},
8c4b2cf9 BK	346	{}
8c4b2cf9 BK	347	};
1da177e4	348
0df18ff3 YL	349	void __init dmi_check_pciprobe(void)
	350	{
	351	dmi_check_system(pciprobe_dmi_table);
	352	}
	353
1da177e4 LT	354	struct pci_bus * __devinit pcibios_scan_root(int busnum)
	355	{
	356	struct pci_bus *bus = NULL;
08f1c192	357	struct pci_sysdata *sd;
1da177e4 LT	358
	359	while ((bus = pci_find_next_bus(bus)) != NULL) {
	360	if (bus->number == busnum) {
	361	/* Already scanned */
	362	return bus;
	363	}
	364	}
	365
08f1c192 MBY	366	/* Allocate per-root-bus (not per bus) arch-specific data.
	367	* TODO: leak; this memory is never freed.
	368	* It's arguable whether it's worth the trouble to care.
	369	*/
	370	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	371	if (!sd) {
	372	printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
	373	return NULL;
	374	}
	375
871d5f8d YL	376	sd->node = get_mp_bus_to_node(busnum);
871d5f8d YL	377