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// SPDX-License-Identifier: GPL-2.0
/*
* bits.h - register bits of the ChipIdea USB IP core
*
* Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
*
* Author: David Lopo
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __DRIVERS_USB_CHIPIDEA_BITS_H
#define __DRIVERS_USB_CHIPIDEA_BITS_H
#include <linux/usb/ehci_def.h>
/*
* ID
* For 1.x revision, bit24 - bit31 are reserved
* For 2.x revision, bit25 - bit28 are 0x2
*/
#define TAG (0x1F << 16)
#define REVISION (0xF << 21)
#define VERSION (0xF << 25)
#define CIVERSION (0x7 << 29)
/* SBUSCFG */
#define AHBBRST_MASK 0x7
/* HCCPARAMS */
#define HCCPARAMS_LEN BIT(17)
/* DCCPARAMS */
#define DCCPARAMS_DEN (0x1F << 0)
#define DCCPARAMS_DC BIT(7)
#define DCCPARAMS_HC BIT(8)
/* TESTMODE */
#define TESTMODE_FORCE BIT(0)
/* USBCMD */
#define USBCMD_RS BIT(0)
#define USBCMD_RST BIT(1)
#define USBCMD_SUTW BIT(13)
#define USBCMD_ATDTW BIT(14)
/* USBSTS & USBINTR */
#define USBi_UI BIT(0)
#define USBi_UEI BIT(1)
#define USBi_PCI BIT(2)
#define USBi_URI BIT(6)
#define USBi_SLI BIT(8)
/* DEVICEADDR */
#define DEVICEADDR_USBADRA BIT(24)
#define DEVICEADDR_USBADR (0x7FUL << 25)
/* TTCTRL */
#define TTCTRL_TTHA_MASK (0x7fUL << 24)
/* Set non-zero value for internal TT Hub address representation */
#define TTCTRL_TTHA (0x7fUL << 24)
/* BURSTSIZE */
#define RX_BURST_MASK 0xff
#define TX_BURST_MASK 0xff00
/* PORTSC */
#define PORTSC_CCS BIT(0)
#define PORTSC_CSC BIT(1)
#define PORTSC_PEC BIT(3)
#define PORTSC_OCC BIT(5)
#define PORTSC_FPR BIT(6)
#define PORTSC_SUSP BIT(7)
#define PORTSC_HSP BIT(9)
#define PORTSC_PP BIT(12)
#define PORTSC_PTC (0x0FUL << 16)
#define PORTSC_WKCN BIT(20)
#define PORTSC_PHCD(d) ((d) ? BIT(22) : BIT(23))
/* PTS and PTW for non lpm version only */
#define PORTSC_PFSC BIT(24)
#define PORTSC_PTS(d) \
(u32)((((d) & 0x3) << 30) | (((d) & 0x4) ? BIT(25) : 0))
#define PORTSC_PTW BIT(28)
#define PORTSC_STS BIT(29)
#define PORTSC_W1C_BITS \
(PORTSC_CSC | PORTSC_PEC | PORTSC_OCC)
/* DEVLC */
#define DEVLC_PFSC BIT(23)
#define DEVLC_PSPD (0x03UL << 25)
#define DEVLC_PSPD_HS (0x02UL << 25)
#define DEVLC_PTW BIT(27)
#define DEVLC_STS BIT(28)
#define DEVLC_PTS(d) (u32)(((d) & 0x7) << 29)
/* Encoding for DEVLC_PTS and PORTSC_PTS */
#define PTS_UTMI 0
#define PTS_ULPI 2
#define PTS_SERIAL 3
#define PTS_HSIC 4
/* OTGSC */
#define OTGSC_IDPU BIT(5)
#define OTGSC_HADP BIT(6)
#define OTGSC_HABA BIT(7)
#define OTGSC_ID BIT(8)
#define OTGSC_AVV BIT(9)
#define OTGSC_ASV BIT(10)
#define OTGSC_BSV BIT(11)
#define OTGSC_BSE BIT(12)
#define OTGSC_IDIS BIT(16)
#define OTGSC_AVVIS BIT(17)
#define OTGSC_ASVIS BIT(18)
#define OTGSC_BSVIS BIT(19)
#define OTGSC_BSEIS BIT(20)
#define OTGSC_1MSIS BIT(21)
#define OTGSC_DPIS BIT(22)
#define OTGSC_IDIE BIT(24)
#define OTGSC_AVVIE BIT(25)
#define OTGSC_ASVIE BIT(26)
#define OTGSC_BSVIE BIT(27)
#define OTGSC_BSEIE BIT(28)
#define OTGSC_1MSIE BIT(29)
#define OTGSC_DPIE BIT(30)
#define OTGSC_INT_EN_BITS (OTGSC_IDIE | OTGSC_AVVIE | OTGSC_ASVIE \
| OTGSC_BSVIE | OTGSC_BSEIE | OTGSC_1MSIE \
| OTGSC_DPIE)
#define OTGSC_INT_STATUS_BITS (OTGSC_IDIS | OTGSC_AVVIS | OTGSC_ASVIS \
| OTGSC_BSVIS | OTGSC_BSEIS | OTGSC_1MSIS \
| OTGSC_DPIS)
/* USBMODE */
#define USBMODE_CM (0x03UL << 0)
#define USBMODE_CM_DC (0x02UL << 0)
#define USBMODE_SLOM BIT(3)
#define USBMODE_CI_SDIS BIT(4)
/* ENDPTCTRL */
#define ENDPTCTRL_RXS BIT(0)
#define ENDPTCTRL_RXT (0x03UL << 2)
#define ENDPTCTRL_RXR BIT(6) /* reserved for port 0 */
#define ENDPTCTRL_RXE BIT(7)
#define ENDPTCTRL_TXS BIT(16)
#define ENDPTCTRL_TXT (0x03UL << 18)
#define ENDPTCTRL_TXR BIT(22) /* reserved for port 0 */
#define ENDPTCTRL_TXE BIT(23)
#endif /* __DRIVERS_USB_CHIPIDEA_BITS_H */
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