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-rw-r--r--arch/alpha/kernel/pci.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index c107cc08daf4..78357798b6fd 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -71,25 +71,13 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82378, quirk_i
71static void __init 71static void __init
72quirk_cypress(struct pci_dev *dev) 72quirk_cypress(struct pci_dev *dev)
73{ 73{
74 /* The Notorious Cy82C693 chip. */
75
76 /* The Cypress IDE controller doesn't support native mode, but it
77 has programmable addresses of IDE command/control registers.
78 This violates PCI specifications, confuses the IDE subsystem and
79 causes resource conflicts between the primary HD_CMD register and
80 the floppy controller. Ugh. Fix that. */
81 if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE) {
82 dev->resource[0].flags = 0;
83 dev->resource[1].flags = 0;
84 }
85
86 /* The Cypress bridge responds on the PCI bus in the address range 74 /* The Cypress bridge responds on the PCI bus in the address range
87 0xffff0000-0xffffffff (conventional x86 BIOS ROM). There is no 75 0xffff0000-0xffffffff (conventional x86 BIOS ROM). There is no
88 way to turn this off. The bridge also supports several extended 76 way to turn this off. The bridge also supports several extended
89 BIOS ranges (disabled after power-up), and some consoles do turn 77 BIOS ranges (disabled after power-up), and some consoles do turn
90 them on. So if we use a large direct-map window, or a large SG 78 them on. So if we use a large direct-map window, or a large SG
91 window, we must avoid the entire 0xfff00000-0xffffffff region. */ 79 window, we must avoid the entire 0xfff00000-0xffffffff region. */
92 else if (dev->class >> 8 == PCI_CLASS_BRIDGE_ISA) { 80 if (dev->class >> 8 == PCI_CLASS_BRIDGE_ISA) {
93 if (__direct_map_base + __direct_map_size >= 0xfff00000UL) 81 if (__direct_map_base + __direct_map_size >= 0xfff00000UL)
94 __direct_map_size = 0xfff00000UL - __direct_map_base; 82 __direct_map_size = 0xfff00000UL - __direct_map_base;
95 else { 83 else {
@@ -391,7 +379,7 @@ pcibios_set_master(struct pci_dev *dev)
391 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); 379 pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64);
392} 380}
393 381
394static void __init 382void __init
395pcibios_claim_one_bus(struct pci_bus *b) 383pcibios_claim_one_bus(struct pci_bus *b)
396{ 384{
397 struct pci_dev *dev; 385 struct pci_dev *dev;
@@ -405,7 +393,8 @@ pcibios_claim_one_bus(struct pci_bus *b)
405 393
406 if (r->parent || !r->start || !r->flags) 394 if (r->parent || !r->start || !r->flags)
407 continue; 395 continue;
408 pci_claim_resource(dev, i); 396 if (pci_probe_only || (r->flags & IORESOURCE_PCI_FIXED))
397 pci_claim_resource(dev, i);
409 } 398 }
410 } 399 }
411 400
@@ -444,8 +433,7 @@ common_init_pci(void)
444 } 433 }
445 } 434 }
446 435
447 if (pci_probe_only) 436 pcibios_claim_console_setup();
448 pcibios_claim_console_setup();
449 437
450 pci_assign_unassigned_resources(); 438 pci_assign_unassigned_resources();
451 pci_fixup_irqs(alpha_mv.pci_swizzle, alpha_mv.pci_map_irq); 439 pci_fixup_irqs(alpha_mv.pci_swizzle, alpha_mv.pci_map_irq);