Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8312
-gerrit
commit 4bf89808965e5ac11941e2c9c2989552c6cbfbcf Author: Vladimir Serbinenko phcoder@gmail.com Date: Sat Jan 31 17:45:50 2015 +0100
bd82x6x/xhci: Set mask of ports switchable between USB2 and USB3.
Change-Id: Ica1cc90715c1810668e3f4f7282e5757a5688483 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- src/southbridge/intel/bd82x6x/chip.h | 5 +++++ src/southbridge/intel/bd82x6x/usb_xhci.c | 4 ++++ 2 files changed, 9 insertions(+)
diff --git a/src/southbridge/intel/bd82x6x/chip.h b/src/southbridge/intel/bd82x6x/chip.h index 290bb05..f4be82d 100644 --- a/src/southbridge/intel/bd82x6x/chip.h +++ b/src/southbridge/intel/bd82x6x/chip.h @@ -89,6 +89,11 @@ struct southbridge_intel_bd82x6x_config { int docking_supported;
uint8_t pcie_hotplug_map[8]; + + /* Ports which can be routed to either EHCI or xHCI. */ + uint32_t xhci_switchable_ports; + /* Ports which support SuperSpeed (USB 3.0 additional lanes). */ + uint32_t superspeed_capable_ports; };
#endif /* SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H */ 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 @@ static void usb_xhci_init(struct device *dev) 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));