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 00000000000..8dbb90d63f0 --- /dev/null +++ b/arch/mips/pci/fixup-ev64120.c @@ -0,0 +1,34 @@ +#include <linux/pci.h> +#include <linux/init.h> + +int pci_range_ck(unsigned char bus, unsigned char dev) +{ + if (((bus == 0) || (bus == 1)) && (dev >= 6) && (dev <= 8)) + return 0; + + return -1; +} + +/* + * After detecting all agents over the PCI , this function is called + * in order to give an interrupt number for each PCI device starting + * from IRQ 20. It does also enables master for each device. + */ +void __devinit pcibios_fixup_bus(struct pci_bus *bus) +{ + unsigned int irq = 20; + struct pci_bus *current_bus = bus; + struct pci_dev *dev; + struct list_head *devices_link; + + list_for_each(devices_link, &(current_bus->devices)) { + dev = pci_dev_b(devices_link); + if (dev != NULL) { + dev->irq = irq++; + + /* Assign an interrupt number for the device */ + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); + pcibios_set_master(dev); + } + } +} |