[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;
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,
};

/*
 * 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;

	/* root bus? */
	if (!b->parent)
		x86_pci_root_bus_res_quirks(b);
	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 = find_sort_method,
		.ident = "Dell System",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
		},
	},
	{
		.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>
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;
1da177e4	36	struct pci_raw_ops *raw_pci_ops;
b6ce068a MW	37	struct pci_raw_ops *raw_pci_ext_ops;
	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
0e94ecd0 YL	167	/* root bus? */
	168	if (!b->parent)
	169	x86_pci_root_bus_res_quirks(b);
1da177e4	170	pci_read_bridge_bases(b);
bb71ad88 GH	171	list_for_each_entry(dev, &b->devices, bus_list)
bb71ad88 GH	172	pcibios_fixup_device_resources(dev);
1da177e4 LT	173	}
1da177e4 LT	174
6b4b78fe MD	175	/*
	176	* Only use DMI information to set this if nothing was passed
	177	* on the kernel command line (which was parsed earlier).
	178	*/
	179
1855256c	180	static int __devinit set_bf_sort(const struct dmi_system_id *d)
6b4b78fe MD	181	{
	182	if (pci_bf_sort == pci_bf_sort_default) {
	183	pci_bf_sort = pci_dmi_bf;
	184	printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
	185	}
	186	return 0;
	187	}
	188
6e8af08d ND	189	static void __devinit read_dmi_type_b1(const struct dmi_header *dm,
	190	void *private_data)
	191	{
	192	u8 d = (u8 )dm + 4;
	193
	194	if (dm->type != 0xB1)
	195	return;
	196	switch ((((u32 )d) >> 9) & 0x03) {
	197	case 0x00:
	198	printk(KERN_INFO "dmi type 0xB1 record - unknown flag\n");
	199	break;
	200	case 0x01: /* set pci=bfsort */
	201	smbios_type_b1_flag = 1;
	202	break;
	203	case 0x02: /* do not set pci=bfsort */
	204	smbios_type_b1_flag = 2;
	205	break;
	206	default:
	207	break;
	208	}
	209	}
	210
	211	static int __devinit find_sort_method(const struct dmi_system_id *d)
	212	{
	213	dmi_walk(read_dmi_type_b1, NULL);
	214
	215	if (smbios_type_b1_flag == 1) {
	216	set_bf_sort(d);
	217	return 0;
	218	}
	219	return -1;
	220	}
	221
8c4b2cf9 BK	222	/*
	223	* Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
	224	*/
	225	#ifdef __i386__
1855256c	226	static int __devinit assign_all_busses(const struct dmi_system_id *d)
8c4b2cf9 BK	227	{
	228	pci_probe \|= PCI_ASSIGN_ALL_BUSSES;
	229	printk(KERN_INFO "%s detected: enabling PCI bus# renumbering"
	230	" (pci=assign-busses)\n", d->ident);
	231	return 0;
	232	}
	233	#endif
	234
821508d4	235	static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = {
6b4b78fe	236	#ifdef __i386__
8c4b2cf9 BK	237	/*
	238	* Laptops which need pci=assign-busses to see Cardbus cards
	239	*/
8c4b2cf9 BK	240	{
	241	.callback = assign_all_busses,
	242	.ident = "Samsung X20 Laptop",
	243	.matches = {
	244	DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
	245	DMI_MATCH(DMI_PRODUCT_NAME, "SX20S"),
	246	},
	247	},
	248	#endif /* __i386__ */
6e8af08d ND	249	{
	250	.callback = find_sort_method,
	251	.ident = "Dell System",
	252	.matches = {
	253	DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
	254	},
	255	},
6b4b78fe MD	256	{
	257	.callback = set_bf_sort,
	258	.ident = "Dell PowerEdge 1950",
	259	.matches = {
	260	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	261	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
	262	},
	263	},
	264	{
	265	.callback = set_bf_sort,
	266	.ident = "Dell PowerEdge 1955",
	267	.matches = {
	268	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	269	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
	270	},
	271	},
	272	{
	273	.callback = set_bf_sort,
	274	.ident = "Dell PowerEdge 2900",
	275	.matches = {
	276	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	277	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
	278	},
	279	},
	280	{
	281	.callback = set_bf_sort,
	282	.ident = "Dell PowerEdge 2950",
	283	.matches = {
	284	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	285	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
	286	},
	287	},
f7a9dae7 MD	288	{
	289	.callback = set_bf_sort,
	290	.ident = "Dell PowerEdge R900",
	291	.matches = {
	292	DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
	293	DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge R900"),
	294	},
	295	},
f52383d3 AG	296	{
	297	.callback = set_bf_sort,
	298	.ident = "HP ProLiant BL20p G3",
	299	.matches = {
	300	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	301	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G3"),
	302	},
	303	},
	304	{
	305	.callback = set_bf_sort,
	306	.ident = "HP ProLiant BL20p G4",
	307	.matches = {
	308	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	309	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL20p G4"),
	310	},
	311	},
	312	{
	313	.callback = set_bf_sort,
	314	.ident = "HP ProLiant BL30p G1",
	315	.matches = {
	316	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	317	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL30p G1"),
	318	},
	319	},
	320	{
	321	.callback = set_bf_sort,
	322	.ident = "HP ProLiant BL25p G1",
	323	.matches = {
	324	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	325	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL25p G1"),
	326	},
	327	},
	328	{
	329	.callback = set_bf_sort,
	330	.ident = "HP ProLiant BL35p G1",
	331	.matches = {
	332	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	333	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL35p G1"),
	334	},
	335	},
	336	{
	337	.callback = set_bf_sort,
	338	.ident = "HP ProLiant BL45p G1",
	339	.matches = {
	340	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	341	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G1"),
	342	},
	343	},
	344	{
	345	.callback = set_bf_sort,
	346	.ident = "HP ProLiant BL45p G2",
	347	.matches = {
	348	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	349	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL45p G2"),
	350	},
	351	},
	352	{
	353	.callback = set_bf_sort,
	354	.ident = "HP ProLiant BL460c G1",
	355	.matches = {
	356	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
	357	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL460c G1"),
	358	},
	359	},
360	{
361	.callback = set_bf_sort,
362	.ident = "HP ProLiant BL465c G1",
363	.matches = {
364	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
365	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL465c G1"),
366	},
367	},
368	{
369	.callback = set_bf_sort,
370	.ident = "HP ProLiant BL480c G1",
371	.matches = {
372	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
373	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL480c G1"),
374	},
375	},
376	{
377	.callback = set_bf_sort,
378	.ident = "HP ProLiant BL685c G1",
379	.matches = {
380	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
381	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant BL685c G1"),
382	},
383	},
8f8ae1a7 MS	384	{
8f8ae1a7 MS	385	.callback = set_bf_sort,
8d64c781	386	.ident = "HP ProLiant DL360",
8f8ae1a7 MS	387	.matches = {
8f8ae1a7 MS	388	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	389	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
8f8ae1a7 MS	390	},
	391	},
	392	{
	393	.callback = set_bf_sort,
8d64c781	394	.ident = "HP ProLiant DL380",
8f8ae1a7 MS	395	.matches = {
8f8ae1a7 MS	396	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
8d64c781	397	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
8f8ae1a7 MS	398	},
8f8ae1a7 MS	399	},
5b1ea82f JL	400	#ifdef __i386__
	401	{
	402	.callback = assign_all_busses,
	403	.ident = "Compaq EVO N800c",
	404	.matches = {
	405	DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
	406	DMI_MATCH(DMI_PRODUCT_NAME, "EVO N800c"),
	407	},
	408	},
	409	#endif
c82bc5ad MS	410	{
c82bc5ad MS	411	.callback = set_bf_sort,
739db07f	412	.ident = "HP ProLiant DL385 G2",
c82bc5ad MS	413	.matches = {
c82bc5ad MS	414	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	415	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
c82bc5ad MS	416	},
	417	},
	418	{
	419	.callback = set_bf_sort,
739db07f	420	.ident = "HP ProLiant DL585 G2",
c82bc5ad MS	421	.matches = {
c82bc5ad MS	422	DMI_MATCH(DMI_SYS_VENDOR, "HP"),
739db07f	423	DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
c82bc5ad MS	424	},
c82bc5ad MS	425	},
8c4b2cf9 BK	426	{}
8c4b2cf9 BK	427	};
1da177e4	428
0df18ff3 YL	429	void __init dmi_check_pciprobe(void)
	430	{
	431	dmi_check_system(pciprobe_dmi_table);
	432	}
	433
1da177e4 LT	434	struct pci_bus * __devinit pcibios_scan_root(int busnum)
	435	{
	436	struct pci_bus *bus = NULL;
08f1c192	437	struct pci_sysdata *sd;
1da177e4 LT	438
	439	while ((bus = pci_find_next_bus(bus)) != NULL) {
	440	if (bus->number == busnum) {
	441	/* Already scanned */
	442	return bus;
	443	}
	444	}
	445
08f1c192 MBY	446	/* Allocate per-root-bus (not per bus) arch-specific data.
	447	* TODO: leak; this memory is never freed.
	448	* It's arguable whether it's worth the trouble to care.
	449	*/
	450	sd = kzalloc(sizeof(*sd), GFP_KERNEL);
	451	if (!sd) {
	452	printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
	453	return NULL;
	454	}
	455
871d5f8d YL	456	sd->node = get_mp_bus_to_node(busnum);
871d5f8d YL	457