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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Google Inc.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#ifndef BAYTRAIL_XHCI_H
#define BAYTRAIL_XHCI_H
/* XHCI PCI Registers */
#define XHCI_PWR_CTL_STS 0x74
#define XHCI_USB2PR 0xd0
#define XHCI_USB2PRM 0xd4
#define XHCI_USB3PR 0xd8
#define XHCI_USB3PRM 0xdc
#define XHCI_USB2PDO 0xe4
#define XHCI_USB3PDO 0xe8
/* XHCI Memory Registers */
#define XHCI_USB3_PORTSC(port) (0x4e0 + (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) /* Enable port */
/* The Fuse register is incorrect for Baytrail-M so use hardcoded values */
#define BYTM_USB2_PORT_COUNT 4
#define BYTM_USB2_PORT_MAP 0xf
#define BYTM_USB3_PORT_COUNT 1
#define BYTM_USB3_PORT_MAP 0x1
#define XHCI_RESET_TIMEOUT 100000 /* 100ms */
#endif /* BAYTRAIL_XHCI_H */
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