diff options
author | Nico Huber <nico.huber@secunet.com> | 2012-05-23 09:21:54 +0200 |
---|---|---|
committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-06-07 23:14:18 +0200 |
commit | 1ab6075320f5dc10afd934b100c8116a88ac12fc (patch) | |
tree | 688f9e3017a913aa7cb9c14faf46373dcc938a4a /payloads/libpayload/drivers/usb/ehci_private.h | |
parent | d5d024f3e5f0eb88e459b3a449337c3cd2a49104 (diff) |
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 <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1081
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/drivers/usb/ehci_private.h')
-rw-r--r-- | payloads/libpayload/drivers/usb/ehci_private.h | 2 |
1 files changed, 2 insertions, 0 deletions
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; |