diff options
Diffstat (limited to 'arch/mn10300/unit-asb2305/pci.c')
-rw-r--r-- | arch/mn10300/unit-asb2305/pci.c | 62 |
1 files changed, 9 insertions, 53 deletions
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c index a7c5f08ca9f5..6dce9fc2cf3c 100644 --- a/arch/mn10300/unit-asb2305/pci.c +++ b/arch/mn10300/unit-asb2305/pci.c | |||
@@ -32,8 +32,7 @@ struct pci_ops *pci_root_ops; | |||
32 | * insert specific PCI bus resources instead of using the platform-level bus | 32 | * insert specific PCI bus resources instead of using the platform-level bus |
33 | * resources directly for the PCI root bus. | 33 | * resources directly for the PCI root bus. |
34 | * | 34 | * |
35 | * These are configured and inserted by pcibios_init() and are attached to the | 35 | * These are configured and inserted by pcibios_init(). |
36 | * root bus by pcibios_fixup_bus(). | ||
37 | */ | 36 | */ |
38 | static struct resource pci_ioport_resource = { | 37 | static struct resource pci_ioport_resource = { |
39 | .name = "PCI IO", | 38 | .name = "PCI IO", |
@@ -78,52 +77,6 @@ static inline int __query(const struct pci_bus *bus, unsigned int devfn) | |||
78 | } | 77 | } |
79 | 78 | ||
80 | /* | 79 | /* |
81 | * translate Linuxcentric addresses to PCI bus addresses | ||
82 | */ | ||
83 | void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, | ||
84 | struct resource *res) | ||
85 | { | ||
86 | if (res->flags & IORESOURCE_IO) { | ||
87 | region->start = (res->start & 0x00ffffff); | ||
88 | region->end = (res->end & 0x00ffffff); | ||
89 | } | ||
90 | |||
91 | if (res->flags & IORESOURCE_MEM) { | ||
92 | region->start = (res->start & 0x03ffffff) | MEM_PAGING_REG; | ||
93 | region->end = (res->end & 0x03ffffff) | MEM_PAGING_REG; | ||
94 | } | ||
95 | |||
96 | #if 0 | ||
97 | printk(KERN_DEBUG "RES->BUS: %lx-%lx => %lx-%lx\n", | ||
98 | res->start, res->end, region->start, region->end); | ||
99 | #endif | ||
100 | } | ||
101 | EXPORT_SYMBOL(pcibios_resource_to_bus); | ||
102 | |||
103 | /* | ||
104 | * translate PCI bus addresses to Linuxcentric addresses | ||
105 | */ | ||
106 | void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, | ||
107 | struct pci_bus_region *region) | ||
108 | { | ||
109 | if (res->flags & IORESOURCE_IO) { | ||
110 | res->start = (region->start & 0x00ffffff) | 0xbe000000; | ||
111 | res->end = (region->end & 0x00ffffff) | 0xbe000000; | ||
112 | } | ||
113 | |||
114 | if (res->flags & IORESOURCE_MEM) { | ||
115 | res->start = (region->start & 0x03ffffff) | 0xb8000000; | ||
116 | res->end = (region->end & 0x03ffffff) | 0xb8000000; | ||
117 | } | ||
118 | |||
119 | #if 0 | ||
120 | printk(KERN_INFO "BUS->RES: %lx-%lx => %lx-%lx\n", | ||
121 | region->start, region->end, res->start, res->end); | ||
122 | #endif | ||
123 | } | ||
124 | EXPORT_SYMBOL(pcibios_bus_to_resource); | ||
125 | |||
126 | /* | ||
127 | * | 80 | * |
128 | */ | 81 | */ |
129 | static int pci_ampci_read_config_byte(struct pci_bus *bus, unsigned int devfn, | 82 | static int pci_ampci_read_config_byte(struct pci_bus *bus, unsigned int devfn, |
@@ -364,9 +317,6 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) | |||
364 | if (!dev->resource[i].flags) | 317 | if (!dev->resource[i].flags) |
365 | continue; | 318 | continue; |
366 | 319 | ||
367 | region.start = dev->resource[i].start; | ||
368 | region.end = dev->resource[i].end; | ||
369 | pcibios_bus_to_resource(dev, &dev->resource[i], ®ion); | ||
370 | if (is_valid_resource(dev, i)) | 320 | if (is_valid_resource(dev, i)) |
371 | pci_claim_resource(dev, i); | 321 | pci_claim_resource(dev, i); |
372 | } | 322 | } |
@@ -397,6 +347,7 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) | |||
397 | */ | 347 | */ |
398 | static int __init pcibios_init(void) | 348 | static int __init pcibios_init(void) |
399 | { | 349 | { |
350 | resource_size_t io_offset, mem_offset; | ||
400 | LIST_HEAD(resources); | 351 | LIST_HEAD(resources); |
401 | 352 | ||
402 | ioport_resource.start = 0xA0000000; | 353 | ioport_resource.start = 0xA0000000; |
@@ -420,8 +371,13 @@ static int __init pcibios_init(void) | |||
420 | printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n", | 371 | printk(KERN_INFO "PCI: Probing PCI hardware [mempage %08x]\n", |
421 | MEM_PAGING_REG); | 372 | MEM_PAGING_REG); |
422 | 373 | ||
423 | pci_add_resource(&resources, &pci_ioport_resource); | 374 | io_offset = pci_ioport_resource.start - |
424 | pci_add_resource(&resources, &pci_iomem_resource); | 375 | (pci_ioport_resource.start & 0x00ffffff); |
376 | mem_offset = pci_iomem_resource.start - | ||
377 | ((pci_iomem_resource.start & 0x03ffffff) | MEM_PAGING_REG); | ||
378 | |||
379 | pci_add_resource_offset(&resources, &pci_ioport_resource, io_offset); | ||
380 | pci_add_resource_offset(&resources, &pci_iomem_resource, mem_offset); | ||
425 | pci_root_bus = pci_scan_root_bus(NULL, 0, &pci_direct_ampci, NULL, | 381 | pci_root_bus = pci_scan_root_bus(NULL, 0, &pci_direct_ampci, NULL, |
426 | &resources); | 382 | &resources); |
427 | 383 | ||