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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Google Inc.
* Copyright (C) 2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _SOC_XHCI_H_
#define _SOC_XHCI_H_
#include <rules.h>
/* XHCI PCI Registers */
#define XHCI_PWR_CTL_STS 0x74
#define XHCI_PWR_CTL_SET_MASK 0x3
#define XHCI_PWR_CTL_SET_D0 0x0
#define XHCI_PWR_CTL_SET_D3 0x3
#define XHCI_PWR_CTL_ENABLE_PME (1 << 8)
#define XHCI_PWR_CTL_STATUS_PME (1 << 15)
#define XHCI_USB2PR 0xd0
#define XHCI_USB2PRM 0xd4
#define XHCI_USB2PR_HCSEL 0x7fff
#define XHCI_USB3PR 0xd8
#define XHCI_USB3PR_SSEN 0x3f
#define XHCI_USB3PRM 0xdc
#define XHCI_USB3FUS 0xe0
#define XHCI_USB3FUS_SS_MASK 3
#define XHCI_USB3FUS_SS_SHIFT 3
#define XHCI_USB3PDO 0xe8
/* XHCI Memory Registers */
#define XHCI_USB3_PORTSC(port) (0x510 + (port * 0x10))
#define XHCI_USB3_PORTSC_CHST (0x7f << 17)
#define XHCI_USB3_PORTSC_WCE (1 << 25) /* Wake on Connect */
#define XHCI_USB3_PORTSC_WDE (1 << 26) /* Wake on Disconnect */
#define XHCI_USB3_PORTSC_WOE (1 << 27) /* Wake on Overcurrent */
#define XHCI_USB3_PORTSC_WRC (1 << 19) /* Warm Reset Complete */
#define XHCI_USB3_PORTSC_LWS (1 << 16) /* Link Write Strobe */
#define XHCI_USB3_PORTSC_PED (1 << 1) /* Port Enabled/Disabled */
#define XHCI_USB3_PORTSC_WPR (1 << 31) /* Warm Port Reset */
#define XHCI_USB3_PORTSC_PLS (0xf << 5) /* Port Link State */
#define XHCI_PLSR_DISABLED (4 << 5) /* Port is disabled */
#define XHCI_PLSR_RXDETECT (5 << 5) /* Port is disconnected */
#define XHCI_PLSR_POLLING (7 << 5) /* Port is polling */
#define XHCI_PLSW_ENABLE (5 << 5) /* Transition from disabled */
#if ENV_SMM
void usb_xhci_sleep_prepare(device_t dev, u8 slp_typ);
#endif
#endif
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