From 1ab6075320f5dc10afd934b100c8116a88ac12fc Mon Sep 17 00:00:00 2001 From: Nico Huber Date: Wed, 23 May 2012 09:21:54 +0200 Subject: libpayload: Add support for split transactions in EHCI With split transactions, the EHCI host controller can handle full- and low-speed devices on hubs in high-speed mode. This adds support for split transactions for control and bulk transfers. Change-Id: I30fa1ce25757f33b1e6ed34207949c9255f05d49 Signed-off-by: Nico Huber Reviewed-on: http://review.coreboot.org/1081 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- payloads/libpayload/drivers/usb/ehci_private.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'payloads/libpayload/drivers/usb/ehci_private.h') diff --git a/payloads/libpayload/drivers/usb/ehci_private.h b/payloads/libpayload/drivers/usb/ehci_private.h index 8ac15b3093..29595f8f2f 100644 --- a/payloads/libpayload/drivers/usb/ehci_private.h +++ b/payloads/libpayload/drivers/usb/ehci_private.h @@ -116,6 +116,8 @@ typedef volatile struct { #define QH_NON_HS_CTRL_EP_SHIFT 27 #define QH_NAK_CNT_SHIFT 28 u32 epcaps; +#define QH_HUB_ADDRESS_SHIFT 16 +#define QH_PORT_NUMBER_SHIFT 23 #define QH_PIPE_MULTIPLIER_SHIFT 30 volatile u32 current_td_ptr; volatile qtd_t td; -- cgit v1.2.3