diff options
Diffstat (limited to 'arch/mips/pci/fixup-ev64120.c')
-rw-r--r-- | arch/mips/pci/fixup-ev64120.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ev64120.c b/arch/mips/pci/fixup-ev64120.c new file mode 100644 index 000000000000..8dbb90d63f0a --- /dev/null +++ b/arch/mips/pci/fixup-ev64120.c | |||
@@ -0,0 +1,34 @@ | |||
1 | #include <linux/pci.h> | ||
2 | #include <linux/init.h> | ||
3 | |||
4 | int pci_range_ck(unsigned char bus, unsigned char dev) | ||
5 | { | ||
6 | if (((bus == 0) || (bus == 1)) && (dev >= 6) && (dev <= 8)) | ||
7 | return 0; | ||
8 | |||
9 | return -1; | ||
10 | } | ||
11 | |||
12 | /* | ||
13 | * After detecting all agents over the PCI , this function is called | ||
14 | * in order to give an interrupt number for each PCI device starting | ||
15 | * from IRQ 20. It does also enables master for each device. | ||
16 | */ | ||
17 | void __devinit pcibios_fixup_bus(struct pci_bus *bus) | ||
18 | { | ||
19 | unsigned int irq = 20; | ||
20 | struct pci_bus *current_bus = bus; | ||
21 | struct pci_dev *dev; | ||
22 | struct list_head *devices_link; | ||
23 | |||
24 | list_for_each(devices_link, &(current_bus->devices)) { | ||
25 | dev = pci_dev_b(devices_link); | ||
26 | if (dev != NULL) { | ||
27 | dev->irq = irq++; | ||
28 | |||
29 | /* Assign an interrupt number for the device */ | ||
30 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); | ||
31 | pcibios_set_master(dev); | ||
32 | } | ||
33 | } | ||
34 | } | ||