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USB: xhci: BIOS handoff and HW initialization.

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Add PCI initialization code to take control of the xHCI host controller
away from the BIOS, halt, and reset the host controller.  The xHCI spec
says that BIOSes must give up the host controller within 5 seconds.

Add some host controller glue functions to handle hardware initialization
and memory allocation for the host controller.  The current xHCI
prototypes use PCI interrupts, but the xHCI spec requires MSI-X
interrupts.  Add code to support MSI-X interrupts, but use the PCI
interrupts for now.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sarah Sharp
2009-04-27 19:52:28 -07:00
committed by Greg Kroah-Hartman
parent 74c6874199
commit 66d4eadd8d
7 changed files with 788 additions and 2 deletions
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1
include/linux/pci_ids.h
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@ -104,6 +104,7 @@
#define PCI_CLASS_SERIAL_USB_UHCI 0x0c0300
#define PCI_CLASS_SERIAL_USB_OHCI 0x0c0310
#define PCI_CLASS_SERIAL_USB_EHCI 0x0c0320
#define PCI_CLASS_SERIAL_USB_XHCI 0x0c0330
#define PCI_CLASS_SERIAL_FIBER 0x0c04
#define PCI_CLASS_SERIAL_SMBUS 0x0c05