From 8c7e416309a253e1ee2d46de254583e5f09c1329 Mon Sep 17 00:00:00 2001 From: Liangfeng Wu Date: Tue, 24 May 2016 19:40:46 +0800 Subject: 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 Original-Commit-Id: 0c21e92 Original-Change-Id: I4e38e04dc3c7d32ee4bb424a473c70956a3c3ea9 Original-Signed-off-by: Liangfeng Wu Original-Reviewed-on: https://chromium-review.googlesource.com/346831 Original-Commit-Ready: Brian Norris Original-Tested-by: Douglas Anderson Original-Reviewed-by: Douglas Anderson Original-Reviewed-by: Julius Werner Reviewed-on: https://review.coreboot.org/15111 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh Reviewed-by: Nico Huber --- payloads/libpayload/drivers/usb/xhci_private.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'payloads/libpayload/drivers/usb/xhci_private.h') 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); } -- cgit v1.2.3