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libpayload: reintroduce optional PCI in XHCI driver

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being a good citizen on the box, libpayload tries to return to EHCI
mode on shutdown, so a non-XHCI capable USB driver after it (eg. in
the OS) finds something to work with.

Change-Id: Id227d646e08a258b841c644263112f0815dd486c
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4547
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi
2013-12-21 11:41:22 +01:00
parent 4dba06a827
commit fdb348a1d1
3 changed files with 6 additions and 5 deletions
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1
payloads/libpayload/include/usb/usb.h
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@ -119,6 +119,7 @@ typedef enum { OHCI = 0, UHCI = 1, EHCI = 2, XHCI = 3} hc_type;
struct usbdev_hc {
hci_t *next;
u32 reg_base;
pcidev_t pcidev; // 0 if not used (eg on ARM)
hc_type type;
usbdev_t *devices[128]; // dev 0 is root hub, 127 is last addressable