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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-18 20:50:40 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-18 20:50:40 -0400
commitb6aefcce747b3bc54d701d3c329416d0c9616f10 (patch)
tree18340f3dea5abf9f1c67b2ff0e0e4941a432b46e /arch
parent65740356ccfa66703e7e0d47fbe372ba5193916b (diff)
parent7a54f25cef6c763f16c9fd49ae382de162147873 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: (22 commits) PCI Hotplug: move pci_hotplug.h to include/linux/ change pci hotplug subsystem maintainer to Kristen PCI: optionally sort device lists breadth-first cpcihp_generic: prevent loading without "bridge" parameter pci: Additional search functions PCI: quirks: switch quirks code offender to use pci_get API PCI: Update MSI-HOWTO.txt according to pci_msi_supported() PCI: Improve pci_msi_supported() comments PCI hotplug: ioremap balanced with iounmap shpchp: remove unnecessary cmd_busy member from struct controller shpchp: fix command completion check pci: Stamp out pci_find_* usage in fakephp PCI: fix pcie_portdrv_restore_config undefined without CONFIG_PM error Fix DMA resource allocation in ACPIPnP PCI: Turn pci_fixup_video into generic for embedded VGA PCI: add ICH7/8 ACPI/GPIO io resource quirks PCI: pcie-check-and-return-bus_register-errors fix PCI: VIA IRQ quirk behaviour change pciehp: Remove unnecessary check in pciehp_ctrl.c pciehp - add missing locking ...
Diffstat (limited to 'arch')
-rw-r--r--arch/i386/pci/common.c59
-rw-r--r--arch/i386/pci/fixup.c45
-rw-r--r--arch/i386/pci/pci.h7
3 files changed, 64 insertions, 47 deletions
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 68bce194e688..6d5ace845e44 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -20,6 +20,7 @@
20unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | 20unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
21 PCI_PROBE_MMCONF; 21 PCI_PROBE_MMCONF;
22 22
23int pci_bf_sort;
23int pci_routeirq; 24int pci_routeirq;
24int pcibios_last_bus = -1; 25int pcibios_last_bus = -1;
25unsigned long pirq_table_addr; 26unsigned long pirq_table_addr;
@@ -118,6 +119,20 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b)
118} 119}
119 120
120/* 121/*
122 * Only use DMI information to set this if nothing was passed
123 * on the kernel command line (which was parsed earlier).
124 */
125
126static int __devinit set_bf_sort(struct dmi_system_id *d)
127{
128 if (pci_bf_sort == pci_bf_sort_default) {
129 pci_bf_sort = pci_dmi_bf;
130 printk(KERN_INFO "PCI: %s detected, enabling pci=bfsort.\n", d->ident);
131 }
132 return 0;
133}
134
135/*
121 * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus) 136 * Enable renumbering of PCI bus# ranges to reach all PCI busses (Cardbus)
122 */ 137 */
123#ifdef __i386__ 138#ifdef __i386__
@@ -130,11 +145,11 @@ static int __devinit assign_all_busses(struct dmi_system_id *d)
130} 145}
131#endif 146#endif
132 147
148static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
149#ifdef __i386__
133/* 150/*
134 * Laptops which need pci=assign-busses to see Cardbus cards 151 * Laptops which need pci=assign-busses to see Cardbus cards
135 */ 152 */
136static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
137#ifdef __i386__
138 { 153 {
139 .callback = assign_all_busses, 154 .callback = assign_all_busses,
140 .ident = "Samsung X20 Laptop", 155 .ident = "Samsung X20 Laptop",
@@ -144,6 +159,38 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
144 }, 159 },
145 }, 160 },
146#endif /* __i386__ */ 161#endif /* __i386__ */
162 {
163 .callback = set_bf_sort,
164 .ident = "Dell PowerEdge 1950",
165 .matches = {
166 DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
167 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
168 },
169 },
170 {
171 .callback = set_bf_sort,
172 .ident = "Dell PowerEdge 1955",
173 .matches = {
174 DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
175 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1955"),
176 },
177 },
178 {
179 .callback = set_bf_sort,
180 .ident = "Dell PowerEdge 2900",
181 .matches = {
182 DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
183 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2900"),
184 },
185 },
186 {
187 .callback = set_bf_sort,
188 .ident = "Dell PowerEdge 2950",
189 .matches = {
190 DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
191 DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2950"),
192 },
193 },
147 {} 194 {}
148}; 195};
149 196
@@ -189,6 +236,8 @@ static int __init pcibios_init(void)
189 236
190 pcibios_resource_survey(); 237 pcibios_resource_survey();
191 238
239 if (pci_bf_sort >= pci_force_bf)
240 pci_sort_breadthfirst();
192#ifdef CONFIG_PCI_BIOS 241#ifdef CONFIG_PCI_BIOS
193 if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT)) 242 if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
194 pcibios_sort(); 243 pcibios_sort();
@@ -203,6 +252,12 @@ char * __devinit pcibios_setup(char *str)
203 if (!strcmp(str, "off")) { 252 if (!strcmp(str, "off")) {
204 pci_probe = 0; 253 pci_probe = 0;
205 return NULL; 254 return NULL;
255 } else if (!strcmp(str, "bfsort")) {
256 pci_bf_sort = pci_force_bf;
257 return NULL;
258 } else if (!strcmp(str, "nobfsort")) {
259 pci_bf_sort = pci_force_nobf;
260 return NULL;
206 } 261 }
207#ifdef CONFIG_PCI_BIOS 262#ifdef CONFIG_PCI_BIOS
208 else if (!strcmp(str, "bios")) { 263 else if (!strcmp(str, "bios")) {
diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c
index b60d7e8689ed..908b410f4c93 100644
--- a/arch/i386/pci/fixup.c
+++ b/arch/i386/pci/fixup.c
@@ -343,51 +343,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC, pcie_ro
343DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_rootport_aspm_quirk ); 343DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_rootport_aspm_quirk );
344 344
345/* 345/*
346 * Fixup to mark boot BIOS video selected by BIOS before it changes
347 *
348 * From information provided by "Jon Smirl" <jonsmirl@gmail.com>
349 *
350 * The standard boot ROM sequence for an x86 machine uses the BIOS
351 * to select an initial video card for boot display. This boot video
352 * card will have it's BIOS copied to C0000 in system RAM.
353 * IORESOURCE_ROM_SHADOW is used to associate the boot video
354 * card with this copy. On laptops this copy has to be used since
355 * the main ROM may be compressed or combined with another image.
356 * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW
357 * is marked here since the boot video device will be the only enabled
358 * video device at this point.
359 */
360
361static void __devinit pci_fixup_video(struct pci_dev *pdev)
362{
363 struct pci_dev *bridge;
364 struct pci_bus *bus;
365 u16 config;
366
367 if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
368 return;
369
370 /* Is VGA routed to us? */
371 bus = pdev->bus;
372 while (bus) {
373 bridge = bus->self;
374 if (bridge) {
375 pci_read_config_word(bridge, PCI_BRIDGE_CONTROL,
376 &config);
377 if (!(config & PCI_BRIDGE_CTL_VGA))
378 return;
379 }
380 bus = bus->parent;
381 }
382 pci_read_config_word(pdev, PCI_COMMAND, &config);
383 if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
384 pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
385 printk(KERN_DEBUG "Boot video device is %s\n", pci_name(pdev));
386 }
387}
388DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video);
389
390/*
391 * Some Toshiba laptops need extra code to enable their TI TSB43AB22/A. 346 * Some Toshiba laptops need extra code to enable their TI TSB43AB22/A.
392 * 347 *
393 * We pretend to bring them out of full D3 state, and restore the proper 348 * We pretend to bring them out of full D3 state, and restore the proper
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 1814f74569c6..ad065cebd7b9 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -30,6 +30,13 @@
30extern unsigned int pci_probe; 30extern unsigned int pci_probe;
31extern unsigned long pirq_table_addr; 31extern unsigned long pirq_table_addr;
32 32
33enum pci_bf_sort_state {
34 pci_bf_sort_default,
35 pci_force_nobf,
36 pci_force_bf,
37 pci_dmi_bf,
38};
39
33/* pci-i386.c */ 40/* pci-i386.c */
34 41
35extern unsigned int pcibios_max_latency; 42extern unsigned int pcibios_max_latency;