[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 <linux/slab.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;
static int smbios_type_b1_flag;
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;
const struct pci_raw_ops *__read_mostly raw_pci_ops;
const struct pci_raw_ops *__read_mostly 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,
};

/*
 * This interrupt-safe spinlock protects all accesses to PCI
 * configuration space.
 */
DEFINE_RAW_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 const struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitconst = {
/*
 * 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];
	struct resource *bar_r;
	int bar;

	if (pci_probe & PCI_NOASSIGN_BARS) {
		/*
		* If the BIOS did not assign the BAR, zero out the
		* resource so the kernel doesn't attmept to assign
		* it later on in pci_assign_unassigned_resources
		*/
		for (bar = 0; bar <= PCI_STD_RESOURCE_END; bar++) {
			bar_r = &dev->resource[bar];
			if (bar_r->start == 0 && bar_r->end != 0) {
				bar_r->flags = 0;
				bar_r->end = 0;
			}
		}
	}

	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;
}

static void __devinit read_dmi_type_b1(const struct dmi_header *dm,
				       void *private_data)
{
	u8 *d = (u8 *)dm + 4;

	if (dm->type != 0xB1)
		return;
	switch (((*(u32 *)d) >> 9) & 0x03) {
	case 0x00:
		printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n");
		break;
	case 0x01: /* set pci=bfsort */
		smbios_type_b1_flag = 1;
		break;
	case 0x02: /* do not set pci=bfsort */
		smbios_type_b1_flag = 2;
		break;
	default:
		break;
	}
}

static int __devinit find_sort_method(const struct dmi_system_id *d)
{
	dmi_walk(read_dmi_type_b1, NULL);

	if (smbios_type_b1_flag == 1) {
		set_bf_sort(d);
		return 0;
	}
	return -1;
}

/*
 * 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 const struct dmi_system_id __devinitconst 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 = find_sort_method,
		.ident = "Dell System",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
		},
	},
	{
		.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)
{
	LIST_HEAD(resources);
	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>
5a0e3ad6	12	#include <linux/slab.h>
1da177e4 LT	13
	14	#include <asm/acpi.h>
	15	#include <asm/segment.h>
	16	#include <asm/io.h>
	17	#include <asm/smp.h>
82487711	18	#include <asm/pci_x86.h>
1da177e4	19
1da177e4 LT	20	unsigned int pci_probe = PCI_PROBE_BIOS \| PCI_PROBE_CONF1 \| PCI_PROBE_CONF2 \|
	21	PCI_PROBE_MMCONF;
	22
e3f2baeb	23	unsigned int pci_early_dump_regs;
2b290da0	24	static int pci_bf_sort;
6e8af08d	25	static int smbios_type_b1_flag;
1da177e4	26	int pci_routeirq;
a9322f64	27	int noioapicquirk;
41b9eb26 SA	28	#ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
	29	int noioapicreroute = 0;
	30	#else
9197979b	31	int noioapicreroute = 1;
41b9eb26	32	#endif
1da177e4	33	int pcibios_last_bus = -1;
120bb424	34	unsigned long pirq_table_addr;
120bb424	35	struct pci_bus *pci_root_bus;
72da0b07 JB	36	const struct pci_raw_ops *__read_mostly raw_pci_ops;
72da0b07 JB	37	const struct pci_raw_ops *__read_mostly raw_pci_ext_ops;
b6ce068a MW	38
	39	int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
	40	int reg, int len, u32 *val)
	41	{
beef3129	42	if (domain == 0 && reg < 256 && raw_pci_ops)
b6ce068a MW	43	return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
	44	if (raw_pci_ext_ops)
	45	return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
	46	return -EINVAL;
	47	}
	48
	49	int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
	50	int reg, int len, u32 val)
	51	{
beef3129	52	if (domain == 0 && reg < 256 && raw_pci_ops)
b6ce068a MW	53	return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
	54	if (raw_pci_ext_ops)
	55	return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
	56	return -EINVAL;
	57	}
1da177e4 LT	58
	59	static int pci_read(struct pci_bus bus, unsigned int devfn, int where, int size, u32 value)
	60	{
b6ce068a	61	return raw_pci_read(pci_domain_nr(bus), bus->number,
a79e4198	62	devfn, where, size, value);
1da177e4 LT	63	}
	64
	65	static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
	66	{
b6ce068a	67	return raw_pci_write(pci_domain_nr(bus), bus->number,
a79e4198	68	devfn, where, size, value);
1da177e4 LT	69	}
	70
	71	struct pci_ops pci_root_ops = {
	72	.read = pci_read,
	73	.write = pci_write,
	74	};
	75
1da177e4 LT	76	/*
	77	* This interrupt-safe spinlock protects all accesses to PCI
	78	* configuration space.
	79	*/
d19f61f0	80	DEFINE_RAW_SPINLOCK(pci_config_lock);
1da177e4	81
13a6ddb0 YL	82	static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
	83	{
	84	pci_probe \|= PCI_CAN_SKIP_ISA_ALIGN;
	85	printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
	86	return 0;
	87	}
	88
821508d4	89	static const struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitconst = {
13a6ddb0 YL	90	/*
	91	* Systems where PCI IO resource ISA alignment can be skipped
	92	* when the ISA enable bit in the bridge control is not set
	93	*/
	94	{
	95	.callback = can_skip_ioresource_align,
	96	.ident = "IBM System x3800",
	97	.matches = {
	98	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	99	DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
	100	},
	101	},
	102	{
	103	.callback = can_skip_ioresource_align,
	104	.ident = "IBM System x3850",
	105	.matches = {
	106	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	107	DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
	108	},
	109	},
	110	{
	111	.callback = can_skip_ioresource_align,
	112	.ident = "IBM System x3950",
	113	.matches = {
	114	DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
	115	DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
	116	},
	117	},
	118	{}
	119	};
	120
	121	void __init dmi_check_skip_isa_align(void)
	122	{
	123	dmi_check_system(can_skip_pciprobe_dmi_table);
	124	}
	125
bb71ad88 GH	126	static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
	127	{
	128	struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
7bd1c365 MH	129	struct resource *bar_r;
	130	int bar;
	131
	132	if (pci_probe & PCI_NOASSIGN_BARS) {
	133	/*
	134	* If the BIOS did not assign the BAR, zero out the
	135	* resource so the kernel doesn't attmept to assign
	136	* it later on in pci_assign_unassigned_resources
	137	*/
	138	for (bar = 0; bar <= PCI_STD_RESOURCE_END; bar++) {
	139	bar_r = &dev->resource[bar];
	140	if (bar_r->start == 0 && bar_r->end != 0) {
	141	bar_r->flags = 0;
	142	bar_r->end = 0;
	143	}
	144	}
	145	}
bb71ad88 GH	146
	147	if (pci_probe & PCI_NOASSIGN_ROMS) {
	148	if (rom_r->parent)
	149	return;
	150	if (rom_r->start) {
	151	/* we deal with BIOS assigned ROM later */
	152	return;
	153	}
	154	rom_r->start = rom_r->end = rom_r->flags = 0;
	155	}
	156	}
	157
1da177e4 LT	158	/*
	159	* Called after each bus is probed, but before its children
	160	* are examined.
	161	*/
	162
0bb1be3e	163	void __devinit pcibios_fixup_bus(struct pci_bus *b)
1da177e4	164	{
bb71ad88 GH	165	struct pci_dev *dev;
bb71ad88 GH	166
1da177e4	167	pci_read_bridge_bases(b);
bb71ad88 GH	168	list_for_each_entry(dev, &b->devices, bus_list)
bb71ad88 GH	169	pcibios_fixup_device_resources(dev);
1da177e4 LT	170	}
1da177e4 LT	171
6b4b78fe MD	172	/*
	173	* Only use DMI information to set this if nothing was passed
	174	* on the kernel command line (which was parsed earlier).
	175	*/
	176
1855256c	177	static int __devinit set_bf_sort(const struct dmi_system_id *d)
6b4b78fe MD	178	{
	179	if (pci_bf_sort == pci_bf_sort_default) {
	180	pci_bf_sort = pci_dmi_bf;
	181	printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
	182	}
	183	return 0;
	184	}
	185
6e8af08d ND	186	static void __devinit read_dmi_type_b1(const struct dmi_header *dm,
	187	void *private_data)
	188	{
	189	u8 d = (u8 )dm + 4;
	190
	191	if (dm->type != 0xB1)
	192	return;
	193	switch ((((u32 )d) >> 9) & 0x03) {
	194	case 0x00:
	195	printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n");
	196	break;
	197	case 0x01: /* set pci=bfsort */
	198	smbios_type_b1_flag = 1;
	199	break;
	200	case 0x02: /* do not set pci=bfsort */
	201	smbios_type_b1_flag = 2;
	202	break;
	203	default:
	204	break;
	205	}
	206	}
	207
	208	static int __devinit find_sort_method(const struct dmi_system_id *d)
	209	{
	210	dmi_walk(read_dmi_type_b1, NULL);
	211
	212	if (smbios_type_b1_flag == 1) {
	213	set_bf_sort(d);
	214	return 0;
	215	}
	216	return -1;
	217	}
	218
8c4b2cf9 BK	219	/*
	220	* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
	221	*/
	222	#ifdef __i386__
1855256c	223	static int __devinit assign_all_busses(const struct dmi_system_id *d)
8c4b2cf9 BK	224	{
	225	pci_probe \|= PCI_ASSIGN_ALL_BUSSES;
	226	printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
	227	" (pci=assign-busses)\n", d->ident);
	228	return 0;
	229	}
	230	#endif
	231
821508d4	232	static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
6b4b78fe	233	#ifdef __i386__
8c4b2cf9 BK	234	/*
	235	* Laptops which need pci=assign-busses to see Cardbus cards
	236	*/
8c4b2cf9 BK	237	{
	238	.callback = assign_all_busses,
	239	.ident = "Samsung X20 Laptop",
	240	.matches = {
	241	DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
	242	DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
	243	},
	244	},
	245	#endif /* __i386__ */
6b4b78fe MD	246	{
	247	.callback = set_bf_sort,
	248	.ident = "Dell PowerEdge 1950",
	249	.matches = {
	250	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	251	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
	252	},
	253	},
	254	{
	255	.callback = set_bf_sort,
	256	.ident = "Dell PowerEdge 1955",
	257	.matches = {
	258	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	259	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
	260	},
	261	},
	262	{
	263	.callback = set_bf_sort,
	264	.ident = "Dell PowerEdge 2900",
	265	.matches = {
	266	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	267	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
	268	},
	269	},
	270	{
	271	.callback = set_bf_sort,
	272	.ident = "Dell PowerEdge 2950",
	273	.matches = {
	274	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	275	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
	276	},
	277	},
f7a9dae7 MD	278	{
	279	.callback = set_bf_sort,
	280	.ident = "Dell PowerEdge R900",
	281	.matches = {
	282	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	283	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
	284	},
	285	},
9b373ed1 ND	286	{
	287	.callback = find_sort_method,
	288	.ident = "Dell System",
	289	.matches = {
	290	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
	291	},
	292	},
f52383d3 AG	293	{
	294	.callback = set_bf_sort,
	295	.ident = "HP ProLiant BL20p G3",
	296	.matches = {
	297	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	298	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
	299	},
	300	},
	301	{
	302	.callback = set_bf_sort,
	303	.ident = "HP ProLiant BL20p G4",
	304	.matches = {
	305	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	306	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
	307	},
	308	},
	309	{
	310	.callback = set_bf_sort,
	311	.ident = "HP ProLiant BL30p G1",
	312	.matches = {
	313	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	314	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
	315	},
	316	},
	317	{
	318	.callback = set_bf_sort,
	319	.ident = "HP ProLiant BL25p G1",
	320	.matches = {
	321	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	322	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
	323	},
	324	},
	325	{
	326	.callback = set_bf_sort,
	327	.ident = "HP ProLiant BL35p G1",
	328	.matches = {
	329	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	330	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
	331	},
	332	},
	333	{
	334	.callback = set_bf_sort,
	335	.ident = "HP ProLiant BL45p G1",
	336	.matches = {
	337	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	338	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
	339	},
	340	},
	341	{
	342	.callback = set_bf_sort,
	343	.ident = "HP ProLiant BL45p G2",
	344	.matches = {
	345	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	346	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
	347	},
	348	},
	349	{
	350	.callback = set_bf_sort,
	351	.ident = "HP ProLiant BL460c G1",
	352	.matches = {
	353	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	354	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
	355	},
	356	},
357	{
358	.callback = set_bf_sort,
359	.ident = "HP ProLiant BL465c G1",
360	.matches = {
361	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
362	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
363	},
364	},
365	{
366	.callback = set_bf_sort,
367	.ident = "HP ProLiant BL480c G1",
368	.matches = {
369	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
370	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
371	},
372	},
373	{
374	.callback = set_bf_sort,
375	.ident = "HP ProLiant BL685c G1",
376	.matches = {
377	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
378	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
379	},
380	},
8f8ae1a7 MS	381	{
8f8ae1a7 MS	382	.callback = set_bf_sort,
8d64c781	383	.ident = "HP ProLiant DL360",
8f8ae1a7 MS	384	.matches = {
8f8ae1a7 MS	385	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	386	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
8f8ae1a7 MS	387	},
	388	},
	389	{
	390	.callback = set_bf_sort,
8d64c781	391	.ident = "HP ProLiant DL380",
8f8ae1a7 MS	392	.matches = {
8f8ae1a7 MS	393	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	394	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
8f8ae1a7 MS	395	},
8f8ae1a7 MS	396	},
5b1ea82f JL	397	#ifdef __i386__
	398	{
	399	.callback = assign_all_busses,
	400	.ident = "Compaq EVO N800c",
	401	.matches = {
	402	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
	403	DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
	404	},
	405	},
	406	#endif
c82bc5ad MS	407	{
c82bc5ad MS	408	.callback = set_bf_sort,
739db07f	409	.ident = "HP ProLiant DL385 G2",
c82bc5ad MS	410	.matches = {
c82bc5ad MS	411	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	412	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
c82bc5ad MS	413	},
	414	},
	415	{
	416	.callback = set_bf_sort,
739db07f	417	.ident = "HP ProLiant DL585 G2",
c82bc5ad MS	418	.matches = {
c82bc5ad MS	419	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	420	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
c82bc5ad MS	421	},
c82bc5ad MS	422	},
8c4b2cf9 BK	423	{}
8c4b2cf9 BK	424	};
1da177e4	425
0df18ff3 YL	426	void __init dmi_check_pciprobe(void)
	427	{
	428	dmi_check_system(pciprobe_dmi_table);
	429	}
	430
1da177e4 LT	431	struct pci_bus * __devinit pcibios_scan_root(int busnum)
1da177e4 LT	432	{
2cd6975a	433	LIST_HEAD(resources);
1da177e4	434	struct pci_bus *bus = NULL;
08f1c192	435	struct pci_sysdata *sd;
1da177e4 LT	436
	437	while ((bus = pci_find_next_bus(bus)) != NULL) {
	438	if (bus->number == busnum) {
	439	/* Already scanned */
	440	return bus;
	441	}
	442	}
	443
08f1c192 MBY	444	/* Allocate per-root-bus (not per bus) arch-specific data.
	445	* TODO: leak; this memory is never freed.
	446	* It's arguable whether it's worth the trouble to care.
	447	*/
	448	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	449	if (!sd) {
	450	printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
	451	return NULL;
	452	}
	453
871d5f8d YL	454	sd->node = get_mp_bus_to_node(busnum);
871d5f8d YL	455