diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/xhci_devconf.c')
-rw-r--r-- | payloads/libpayload/drivers/usb/xhci_devconf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci_devconf.c b/payloads/libpayload/drivers/usb/xhci_devconf.c index 012f610287..5b5bb5e800 100644 --- a/payloads/libpayload/drivers/usb/xhci_devconf.c +++ b/payloads/libpayload/drivers/usb/xhci_devconf.c @@ -313,6 +313,16 @@ xhci_finish_ep_config(const endpoint_t *const ep, inputctx_t *const ic) EC_SET(AVRTRB, epctx, avrtrb); EC_SET(MXESIT, epctx, EC_GET(MPS, epctx) * EC_GET(MBS, epctx)); + if (IS_ENABLED(CONFIG_LP_USB_XHCI_MTK_QUIRK)) { + /* The MTK xHCI defines some extra SW parameters which are + * put into reserved DWs in Slot and Endpoint Contexts for + * synchronous endpoints. But for non-isochronous transfers, + * it is enough to set the following two fields to 1, and others + * are set to 0. + */ + EC_SET(BPKTS, epctx, 1); + EC_SET(BBM, epctx, 1); + } return 0; } |