Add subsystem callbacks for VT8237x and VT890 family of chipsets

[coreboot.git] / src / southbridge / via / vt8237r / usb.c

diff --git a/src/southbridge/via/vt8237r/usb.c b/src/southbridge/via/vt8237r/usb.c
index 2bdcf9d4ba4c6bcd69d61b20b4e914e3c9907b0b..ac27f4399cac656a8b09cba84a5f47c84de8ae96 100644 (file)
--- a/src/southbridge/via/vt8237r/usb.c
+++ b/src/southbridge/via/vt8237r/usb.c
@@ -158,13 +158,25 @@ static void vt8237_usb_ii_read_resources(struct device *dev)
        return;
 }
 
+static void vt8237_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+       pci_write_config32(dev, 0x42, pci_read_config32(dev, 0x42) | 0x10);
+       pci_write_config16(dev, 0x2c, vendor);
+       pci_write_config16(dev, 0x2e, device);
+       pci_write_config32(dev, 0x42, pci_read_config32(dev, 0x42) & ~0x10);
+}
+
+static struct pci_operations lops_pci = {
+       .set_subsystem = vt8237_set_subsystem,
+};
+
 static const struct device_operations usb_i_ops = {
        .read_resources         = vt8237_usb_i_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                           = usb_i_init,
        .enable                         = 0,
-       .ops_pci                        = 0,
+       .ops_pci                        = &lops_pci,
 };
 
 static const struct device_operations usb_ii_ops = {
@@ -173,7 +185,7 @@ static const struct device_operations usb_ii_ops = {
        .enable_resources       = pci_dev_enable_resources,
        .init                           = usb_ii_init,
        .enable                         = 0,
-       .ops_pci                        = 0,
+       .ops_pci                        = &lops_pci,
 };
 
 static const struct pci_driver vt8237r_driver_usbii __pci_driver = {