diff options
| author | Liangfeng Wu <wulf@rock-chips.com> | 2016-05-24 19:40:46 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-06-12 12:09:55 +0200 |
| commit | 8c7e416309a253e1ee2d46de254583e5f09c1329 (patch) | |
| tree | 9893a082421b9e647b3e96f004d68137ce6ea72f /payloads/libpayload/drivers/usb/xhci_private.h | |
| parent | 2030d257d19920904ad370509404145c18627fac (diff) | |
libpayload: usb: xhci: Support rockchip xHCI controller
1. Make the xHCI driver to support xHCI controller v1.1
2. And a new function xhci_ring_doorbell(), it aims to
add a memory barrier before ringing the doorbell, to ensure
all TRB changes are written to memory.
BRANCH=none
BUG=chrome-os-partner:52684
TEST=boot from USB on Kevin rk3399 platform
Change-Id: Ife1070d1265476d0f5b88e2acf3299fc84af5832
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 0c21e92
Original-Change-Id: I4e38e04dc3c7d32ee4bb424a473c70956a3c3ea9
Original-Signed-off-by: Liangfeng Wu <wulf@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/346831
Original-Commit-Ready: Brian Norris <briannorris@chromium.org>
Original-Tested-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/15111
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'payloads/libpayload/drivers/usb/xhci_private.h')
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci_private.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci_private.h b/payloads/libpayload/drivers/usb/xhci_private.h index f64442579d..47a464f4e2 100644 --- a/payloads/libpayload/drivers/usb/xhci_private.h +++ b/payloads/libpayload/drivers/usb/xhci_private.h @@ -515,7 +515,7 @@ int xhci_cmd_stop_endpoint(xhci_t *, int slot_id, int ep); int xhci_cmd_set_tr_dq(xhci_t *, int slot_id, int ep, trb_t *, int dcs); static inline int xhci_ep_id(const endpoint_t *const ep) { - return ((ep->endpoint & 0x7f) << 1) + (ep->direction == IN); + return ((ep->endpoint & 0x7f) * 2) + (ep->direction != OUT); } |