diff options
Diffstat (limited to 'src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c')
| -rw-r--r-- | src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c b/src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c index 7577da19df..fd8acc28d8 100644 --- a/src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c +++ b/src/southbridge/intel/i82801xx/i82801xx_usb_ehci.c @@ -33,49 +33,53 @@ static void usb_ehci_init(struct device *dev) printk_debug("EHCI: Setting up controller.. "); cmd = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, - cmd | PCI_COMMAND_MASTER); + pci_write_config32(dev, PCI_COMMAND, cmd | PCI_COMMAND_MASTER); printk_debug("done.\n"); } -static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, + unsigned device) { uint8_t access_cntl; + access_cntl = pci_read_config8(dev, 0x80); - /* Enable writes to protected registers */ + + /* Enable writes to protected registers. */ pci_write_config8(dev, 0x80, access_cntl | 1); - /* Write the subsystem vendor and device id */ - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - /* Restore protection */ + + /* Write the subsystem vendor and device ID. */ + pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, + ((device & 0xffff) << 16) | (vendor & 0xffff)); + + /* Restore protection. */ pci_write_config8(dev, 0x80, access_cntl); } static struct pci_operations lops_pci = { - .set_subsystem = &usb_ehci_set_subsystem, + .set_subsystem = &usb_ehci_set_subsystem, }; -static struct device_operations usb_ehci_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = usb_ehci_init, - .scan_bus = 0, - .enable = i82801xx_enable, - .ops_pci = &lops_pci, +static struct device_operations usb_ehci_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = usb_ehci_init, + .scan_bus = 0, + .enable = i82801xx_enable, + .ops_pci = &lops_pci, }; -/* i82801db and i82801dbm */ +/* 82801DB and 82801DBM */ static struct pci_driver i82801db_usb_ehci __pci_driver = { - .ops = &usb_ehci_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x24cd, + .ops = &usb_ehci_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x24cd, }; -/* i82801eb and i82801er */ +/* 82801EB and 82801ER */ static struct pci_driver i82801ex_usb_ehci __pci_driver = { - .ops = &usb_ehci_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x24dd, + .ops = &usb_ehci_ops, + .vendor = PCI_VENDOR_ID_INTEL, + .device = 0x24dd, }; |