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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-05 15:39:10 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-05 15:39:10 -0400
commit108c1961847df2a875047c0fd27b419cb817d213 (patch)
tree5138948168df7043b1d39a1dbeb4a472f1cd66da /arch/x86
parent48fc8de9cd093b8c9e2cfa339421862bae3a6cad (diff)
parent0df18ff366853cdf31e5238764ec5c63e6b5a398 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: x86 PCI: call dmi_check_pciprobe() x86/pci: add pci=skip_isa_align command lines. x86/pci: remove flag in pci_cfg_space_size_ext x86: fix section mismatch in pci_scan_bus
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/pci/acpi.c41
-rw-r--r--arch/x86/pci/common.c58
-rw-r--r--arch/x86/pci/fixup.c2
-rw-r--r--arch/x86/pci/init.c4
-rw-r--r--arch/x86/pci/pci.h3
5 files changed, 62 insertions, 46 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 1a9c0c6a1a18..d95de2f199cd 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -6,45 +6,6 @@
6#include <asm/numa.h> 6#include <asm/numa.h>
7#include "pci.h" 7#include "pci.h"
8 8
9static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
10{
11 pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
12 printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
13 return 0;
14}
15
16static struct dmi_system_id acpi_pciprobe_dmi_table[] __devinitdata = {
17/*
18 * Systems where PCI IO resource ISA alignment can be skipped
19 * when the ISA enable bit in the bridge control is not set
20 */
21 {
22 .callback = can_skip_ioresource_align,
23 .ident = "IBM System x3800",
24 .matches = {
25 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
26 DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
27 },
28 },
29 {
30 .callback = can_skip_ioresource_align,
31 .ident = "IBM System x3850",
32 .matches = {
33 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
34 DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
35 },
36 },
37 {
38 .callback = can_skip_ioresource_align,
39 .ident = "IBM System x3950",
40 .matches = {
41 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
42 DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
43 },
44 },
45 {}
46};
47
48struct pci_root_info { 9struct pci_root_info {
49 char *name; 10 char *name;
50 unsigned int res_num; 11 unsigned int res_num;
@@ -196,8 +157,6 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
196 int pxm; 157 int pxm;
197#endif 158#endif
198 159
199 dmi_check_system(acpi_pciprobe_dmi_table);
200
201 if (domain && !pci_domains_supported) { 160 if (domain && !pci_domains_supported) {
202 printk(KERN_WARNING "PCI: Multiple domains not supported " 161 printk(KERN_WARNING "PCI: Multiple domains not supported "
203 "(dom %d, bus %d)\n", domain, busnum); 162 "(dom %d, bus %d)\n", domain, busnum);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 2a4d751818b7..bfa72a9475b3 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -90,6 +90,50 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
90 rom_r->start = rom_r->end = rom_r->flags = 0; 90 rom_r->start = rom_r->end = rom_r->flags = 0;
91} 91}
92 92
93static int __devinit can_skip_ioresource_align(const struct dmi_system_id *d)
94{
95 pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
96 printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
97 return 0;
98}
99
100static struct dmi_system_id can_skip_pciprobe_dmi_table[] __devinitdata = {
101/*
102 * Systems where PCI IO resource ISA alignment can be skipped
103 * when the ISA enable bit in the bridge control is not set
104 */
105 {
106 .callback = can_skip_ioresource_align,
107 .ident = "IBM System x3800",
108 .matches = {
109 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
110 DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
111 },
112 },
113 {
114 .callback = can_skip_ioresource_align,
115 .ident = "IBM System x3850",
116 .matches = {
117 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
118 DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
119 },
120 },
121 {
122 .callback = can_skip_ioresource_align,
123 .ident = "IBM System x3950",
124 .matches = {
125 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
126 DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
127 },
128 },
129 {}
130};
131
132void __init dmi_check_skip_isa_align(void)
133{
134 dmi_check_system(can_skip_pciprobe_dmi_table);
135}
136
93/* 137/*
94 * Called after each bus is probed, but before its children 138 * Called after each bus is probed, but before its children
95 * are examined. 139 * are examined.
@@ -318,13 +362,16 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
318 {} 362 {}
319}; 363};
320 364
365void __init dmi_check_pciprobe(void)
366{
367 dmi_check_system(pciprobe_dmi_table);
368}
369
321struct pci_bus * __devinit pcibios_scan_root(int busnum) 370struct pci_bus * __devinit pcibios_scan_root(int busnum)
322{ 371{
323 struct pci_bus *bus = NULL; 372 struct pci_bus *bus = NULL;
324 struct pci_sysdata *sd; 373 struct pci_sysdata *sd;
325 374
326 dmi_check_system(pciprobe_dmi_table);
327
328 while ((bus = pci_find_next_bus(bus)) != NULL) { 375 while ((bus = pci_find_next_bus(bus)) != NULL) {
329 if (bus->number == busnum) { 376 if (bus->number == busnum) {
330 /* Already scanned */ 377 /* Already scanned */
@@ -462,6 +509,9 @@ char * __devinit pcibios_setup(char *str)
462 } else if (!strcmp(str, "routeirq")) { 509 } else if (!strcmp(str, "routeirq")) {
463 pci_routeirq = 1; 510 pci_routeirq = 1;
464 return NULL; 511 return NULL;
512 } else if (!strcmp(str, "skip_isa_align")) {
513 pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
514 return NULL;
465 } 515 }
466 return str; 516 return str;
467} 517}
@@ -489,7 +539,7 @@ void pcibios_disable_device (struct pci_dev *dev)
489 pcibios_disable_irq(dev); 539 pcibios_disable_irq(dev);
490} 540}
491 541
492struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node) 542struct pci_bus * __devinit pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
493{ 543{
494 struct pci_bus *bus = NULL; 544 struct pci_bus *bus = NULL;
495 struct pci_sysdata *sd; 545 struct pci_sysdata *sd;
@@ -512,7 +562,7 @@ struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node)
512 return bus; 562 return bus;
513} 563}
514 564
515struct pci_bus *pci_scan_bus_with_sysdata(int busno) 565struct pci_bus * __devinit pci_scan_bus_with_sysdata(int busno)
516{ 566{
517 return pci_scan_bus_on_node(busno, &pci_root_ops, -1); 567 return pci_scan_bus_on_node(busno, &pci_root_ops, -1);
518} 568}
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index b60b2abd480c..ff3a6a336342 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -502,7 +502,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SIEMENS, 0x0015,
502 */ 502 */
503static void fam10h_pci_cfg_space_size(struct pci_dev *dev) 503static void fam10h_pci_cfg_space_size(struct pci_dev *dev)
504{ 504{
505 dev->cfg_size = pci_cfg_space_size_ext(dev, 0); 505 dev->cfg_size = pci_cfg_space_size_ext(dev);
506} 506}
507 507
508DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size); 508DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size);
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index dd30c6076b5d..e70b9c57b88e 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -33,6 +33,10 @@ static __init int pci_access_init(void)
33 printk(KERN_ERR 33 printk(KERN_ERR
34 "PCI: Fatal: No config space access function found\n"); 34 "PCI: Fatal: No config space access function found\n");
35 35
36 dmi_check_pciprobe();
37
38 dmi_check_skip_isa_align();
39
36 return 0; 40 return 0;
37} 41}
38arch_initcall(pci_access_init); 42arch_initcall(pci_access_init);
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index c58805a92db5..f3972b12c60a 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -38,6 +38,9 @@ enum pci_bf_sort_state {
38 pci_dmi_bf, 38 pci_dmi_bf,
39}; 39};
40 40
41extern void __init dmi_check_pciprobe(void);
42extern void __init dmi_check_skip_isa_align(void);
43
41/* pci-i386.c */ 44/* pci-i386.c */
42 45
43extern unsigned int pcibios_max_latency; 46extern unsigned int pcibios_max_latency;