bd82x6x/xhci: Set mask of ports switchable between USB2 and USB3.

Change-Id: Ica1cc90715c1810668e3f4f7282e5757a5688483
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/8312
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/southbridge/intel/bd82x6x/usb_xhci.c b/src/southbridge/intel/bd82x6x/usb_xhci.c
index 19c419f..eb89a7d 100644
--- a/src/southbridge/intel/bd82x6x/usb_xhci.c
+++ b/src/southbridge/intel/bd82x6x/usb_xhci.c
@@ -29,6 +29,7 @@
 static void usb_xhci_init(struct device *dev)
 {
 	u32 reg32;
+	struct southbridge_intel_bd82x6x_config *config = dev->chip_info;
 
 	printk(BIOS_DEBUG, "XHCI: Setting up controller.. ");
 
@@ -37,6 +38,9 @@
 	reg32 |= 1;
 	pci_write_config32(dev, 0x44, reg32);
 
+	pci_write_config32(dev, 0xd4, config->xhci_switchable_ports);
+	pci_write_config32(dev, 0xdc, config->superspeed_capable_ports);
+
 	/* Enable clock gating */
 	reg32 = pci_read_config32(dev, 0x40);
 	reg32 &= ~((1 << 20) | (1 << 21));