diff options
Diffstat (limited to 'src/southbridge/via/vt8235/usb.c')
| -rw-r--r-- | src/southbridge/via/vt8235/usb.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8235/usb.c b/src/southbridge/via/vt8235/usb.c new file mode 100644 index 0000000000..c712136c72 --- /dev/null +++ b/src/southbridge/via/vt8235/usb.c @@ -0,0 +1,44 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> + +/* really nothing to do here, both usb 1.1 & 2.0 are normal PCI devices and so get resources allocated + properly. They are part of the southbridge and are enabled in the chip enable function for the southbridge */ + +static void usb_init(struct device *dev) +{ + printk(BIOS_DEBUG, "Configuring VIA USB 1.1\n"); + + /* pci_write_config8(dev, 0x04, 0x07); */ + + /* + * To disable; though do we need to do this? + pci_write_config8(dev1, 0x3c, 0x00); + pci_write_config8(dev1, 0x04, 0x00); + + Also, on the root dev, for enable: + regval = pci_read_config8(dev0, 0x50); + regval &= ~(0x36); + pci_write_config8(dev0, 0x50, regval); + + (regval |= 0x36; for disable) + */ +} + +static struct device_operations usb_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = usb_init, + .enable = 0, + .ops_pci = 0, +}; + +static const struct pci_driver northbridge_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_82C586_2, +}; + |