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https://github.com/AsahiLinux/u-boot
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526 lines
15 KiB
C
526 lines
15 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* MUSB OTG driver register defines
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*
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* Copyright 2005 Mentor Graphics Corporation
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* Copyright (C) 2005-2006 by Texas Instruments
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* Copyright (C) 2006-2007 Nokia Corporation
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*/
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#ifndef __MUSB_REGS_H__
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#define __MUSB_REGS_H__
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#define MUSB_EP0_FIFOSIZE 64 /* This is non-configurable */
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/*
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* MUSB Register bits
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*/
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/* POWER */
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#define MUSB_POWER_ISOUPDATE 0x80
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#define MUSB_POWER_SOFTCONN 0x40
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#define MUSB_POWER_HSENAB 0x20
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#define MUSB_POWER_HSMODE 0x10
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#define MUSB_POWER_RESET 0x08
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#define MUSB_POWER_RESUME 0x04
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#define MUSB_POWER_SUSPENDM 0x02
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#define MUSB_POWER_ENSUSPEND 0x01
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/* INTRUSB */
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#define MUSB_INTR_SUSPEND 0x01
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#define MUSB_INTR_RESUME 0x02
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#define MUSB_INTR_RESET 0x04
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#define MUSB_INTR_BABBLE 0x04
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#define MUSB_INTR_SOF 0x08
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#define MUSB_INTR_CONNECT 0x10
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#define MUSB_INTR_DISCONNECT 0x20
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#define MUSB_INTR_SESSREQ 0x40
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#define MUSB_INTR_VBUSERROR 0x80 /* For SESSION end */
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/* DEVCTL */
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#define MUSB_DEVCTL_BDEVICE 0x80
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#define MUSB_DEVCTL_FSDEV 0x40
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#define MUSB_DEVCTL_LSDEV 0x20
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#define MUSB_DEVCTL_VBUS 0x18
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#define MUSB_DEVCTL_VBUS_SHIFT 3
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#define MUSB_DEVCTL_HM 0x04
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#define MUSB_DEVCTL_HR 0x02
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#define MUSB_DEVCTL_SESSION 0x01
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/* MUSB ULPI VBUSCONTROL */
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#define MUSB_ULPI_USE_EXTVBUS 0x01
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#define MUSB_ULPI_USE_EXTVBUSIND 0x02
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/* ULPI_REG_CONTROL */
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#define MUSB_ULPI_REG_REQ (1 << 0)
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#define MUSB_ULPI_REG_CMPLT (1 << 1)
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#define MUSB_ULPI_RDN_WR (1 << 2)
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/* TESTMODE */
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#define MUSB_TEST_FORCE_HOST 0x80
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#define MUSB_TEST_FIFO_ACCESS 0x40
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#define MUSB_TEST_FORCE_FS 0x20
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#define MUSB_TEST_FORCE_HS 0x10
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#define MUSB_TEST_PACKET 0x08
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#define MUSB_TEST_K 0x04
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#define MUSB_TEST_J 0x02
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#define MUSB_TEST_SE0_NAK 0x01
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/* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */
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#define MUSB_FIFOSZ_DPB 0x10
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/* Allocation size (8, 16, 32, ... 4096) */
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#define MUSB_FIFOSZ_SIZE 0x0f
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/* CSR0 */
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#define MUSB_CSR0_FLUSHFIFO 0x0100
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#define MUSB_CSR0_TXPKTRDY 0x0002
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#define MUSB_CSR0_RXPKTRDY 0x0001
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/* CSR0 in Peripheral mode */
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#define MUSB_CSR0_P_SVDSETUPEND 0x0080
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#define MUSB_CSR0_P_SVDRXPKTRDY 0x0040
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#define MUSB_CSR0_P_SENDSTALL 0x0020
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#define MUSB_CSR0_P_SETUPEND 0x0010
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#define MUSB_CSR0_P_DATAEND 0x0008
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#define MUSB_CSR0_P_SENTSTALL 0x0004
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/* CSR0 in Host mode */
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#define MUSB_CSR0_H_DIS_PING 0x0800
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#define MUSB_CSR0_H_WR_DATATOGGLE 0x0400 /* Set to allow setting: */
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#define MUSB_CSR0_H_DATATOGGLE 0x0200 /* Data toggle control */
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#define MUSB_CSR0_H_NAKTIMEOUT 0x0080
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#define MUSB_CSR0_H_STATUSPKT 0x0040
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#define MUSB_CSR0_H_REQPKT 0x0020
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#define MUSB_CSR0_H_ERROR 0x0010
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#define MUSB_CSR0_H_SETUPPKT 0x0008
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#define MUSB_CSR0_H_RXSTALL 0x0004
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/* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
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#define MUSB_CSR0_P_WZC_BITS \
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(MUSB_CSR0_P_SENTSTALL)
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#define MUSB_CSR0_H_WZC_BITS \
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(MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \
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| MUSB_CSR0_RXPKTRDY)
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/* TxType/RxType */
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#define MUSB_TYPE_SPEED 0xc0
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#define MUSB_TYPE_SPEED_SHIFT 6
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#define MUSB_TYPE_PROTO 0x30 /* Implicitly zero for ep0 */
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#define MUSB_TYPE_PROTO_SHIFT 4
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#define MUSB_TYPE_REMOTE_END 0xf /* Implicitly zero for ep0 */
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/* CONFIGDATA */
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#define MUSB_CONFIGDATA_MPRXE 0x80 /* Auto bulk pkt combining */
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#define MUSB_CONFIGDATA_MPTXE 0x40 /* Auto bulk pkt splitting */
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#define MUSB_CONFIGDATA_BIGENDIAN 0x20
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#define MUSB_CONFIGDATA_HBRXE 0x10 /* HB-ISO for RX */
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#define MUSB_CONFIGDATA_HBTXE 0x08 /* HB-ISO for TX */
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#define MUSB_CONFIGDATA_DYNFIFO 0x04 /* Dynamic FIFO sizing */
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#define MUSB_CONFIGDATA_SOFTCONE 0x02 /* SoftConnect */
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#define MUSB_CONFIGDATA_UTMIDW 0x01 /* Data width 0/1 => 8/16bits */
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/* TXCSR in Peripheral and Host mode */
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#define MUSB_TXCSR_AUTOSET 0x8000
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#define MUSB_TXCSR_DMAENAB 0x1000
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#define MUSB_TXCSR_FRCDATATOG 0x0800
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#define MUSB_TXCSR_DMAMODE 0x0400
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#define MUSB_TXCSR_CLRDATATOG 0x0040
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#define MUSB_TXCSR_FLUSHFIFO 0x0008
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#define MUSB_TXCSR_FIFONOTEMPTY 0x0002
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#define MUSB_TXCSR_TXPKTRDY 0x0001
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/* TXCSR in Peripheral mode */
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#define MUSB_TXCSR_P_ISO 0x4000
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#define MUSB_TXCSR_P_INCOMPTX 0x0080
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#define MUSB_TXCSR_P_SENTSTALL 0x0020
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#define MUSB_TXCSR_P_SENDSTALL 0x0010
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#define MUSB_TXCSR_P_UNDERRUN 0x0004
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/* TXCSR in Host mode */
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#define MUSB_TXCSR_H_WR_DATATOGGLE 0x0200
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#define MUSB_TXCSR_H_DATATOGGLE 0x0100
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#define MUSB_TXCSR_H_NAKTIMEOUT 0x0080
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#define MUSB_TXCSR_H_RXSTALL 0x0020
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#define MUSB_TXCSR_H_ERROR 0x0004
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/* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
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#define MUSB_TXCSR_P_WZC_BITS \
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(MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \
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| MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY)
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#define MUSB_TXCSR_H_WZC_BITS \
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(MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
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| MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
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/* RXCSR in Peripheral and Host mode */
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#define MUSB_RXCSR_AUTOCLEAR 0x8000
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#define MUSB_RXCSR_DMAENAB 0x2000
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#define MUSB_RXCSR_DISNYET 0x1000
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#define MUSB_RXCSR_PID_ERR 0x1000
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#define MUSB_RXCSR_DMAMODE 0x0800
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#define MUSB_RXCSR_INCOMPRX 0x0100
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#define MUSB_RXCSR_CLRDATATOG 0x0080
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#define MUSB_RXCSR_FLUSHFIFO 0x0010
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#define MUSB_RXCSR_DATAERROR 0x0008
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#define MUSB_RXCSR_FIFOFULL 0x0002
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#define MUSB_RXCSR_RXPKTRDY 0x0001
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/* RXCSR in Peripheral mode */
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#define MUSB_RXCSR_P_ISO 0x4000
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#define MUSB_RXCSR_P_SENTSTALL 0x0040
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#define MUSB_RXCSR_P_SENDSTALL 0x0020
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#define MUSB_RXCSR_P_OVERRUN 0x0004
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/* RXCSR in Host mode */
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#define MUSB_RXCSR_H_AUTOREQ 0x4000
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#define MUSB_RXCSR_H_WR_DATATOGGLE 0x0400
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#define MUSB_RXCSR_H_DATATOGGLE 0x0200
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#define MUSB_RXCSR_H_RXSTALL 0x0040
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#define MUSB_RXCSR_H_REQPKT 0x0020
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#define MUSB_RXCSR_H_ERROR 0x0004
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/* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
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#define MUSB_RXCSR_P_WZC_BITS \
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(MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \
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| MUSB_RXCSR_RXPKTRDY)
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#define MUSB_RXCSR_H_WZC_BITS \
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(MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \
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| MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)
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/* HUBADDR */
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#define MUSB_HUBADDR_MULTI_TT 0x80
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/* SUNXI has different reg addresses, but identical r/w functions */
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#ifndef CONFIG_ARCH_SUNXI
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/*
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* Common USB registers
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*/
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#define MUSB_FADDR 0x00 /* 8-bit */
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#define MUSB_POWER 0x01 /* 8-bit */
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#define MUSB_INTRTX 0x02 /* 16-bit */
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#define MUSB_INTRRX 0x04
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#define MUSB_INTRTXE 0x06
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#define MUSB_INTRRXE 0x08
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#define MUSB_INTRUSB 0x0A /* 8 bit */
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#define MUSB_INTRUSBE 0x0B /* 8 bit */
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#define MUSB_FRAME 0x0C
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#define MUSB_INDEX 0x0E /* 8 bit */
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#define MUSB_TESTMODE 0x0F /* 8 bit */
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/* Get offset for a given FIFO from musb->mregs */
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#if defined(CONFIG_USB_MUSB_TUSB6010) || \
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defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
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#define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
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#else
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#define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
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#endif
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/*
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* Additional Control Registers
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*/
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#define MUSB_DEVCTL 0x60 /* 8 bit */
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/* These are always controlled through the INDEX register */
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#define MUSB_TXFIFOSZ 0x62 /* 8-bit (see masks) */
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#define MUSB_RXFIFOSZ 0x63 /* 8-bit (see masks) */
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#define MUSB_TXFIFOADD 0x64 /* 16-bit offset shifted right 3 */
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#define MUSB_RXFIFOADD 0x66 /* 16-bit offset shifted right 3 */
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/* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
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#define MUSB_HWVERS 0x6C /* 8 bit */
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#define MUSB_ULPI_BUSCONTROL 0x70 /* 8 bit */
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#define MUSB_ULPI_INT_MASK 0x72 /* 8 bit */
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#define MUSB_ULPI_INT_SRC 0x73 /* 8 bit */
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#define MUSB_ULPI_REG_DATA 0x74 /* 8 bit */
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#define MUSB_ULPI_REG_ADDR 0x75 /* 8 bit */
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#define MUSB_ULPI_REG_CONTROL 0x76 /* 8 bit */
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#define MUSB_ULPI_RAW_DATA 0x77 /* 8 bit */
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#define MUSB_EPINFO 0x78 /* 8 bit */
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#define MUSB_RAMINFO 0x79 /* 8 bit */
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#define MUSB_LINKINFO 0x7a /* 8 bit */
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#define MUSB_VPLEN 0x7b /* 8 bit */
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#define MUSB_HS_EOF1 0x7c /* 8 bit */
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#define MUSB_FS_EOF1 0x7d /* 8 bit */
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#define MUSB_LS_EOF1 0x7e /* 8 bit */
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/* Offsets to endpoint registers */
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#define MUSB_TXMAXP 0x00
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#define MUSB_TXCSR 0x02
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#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
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#define MUSB_RXMAXP 0x04
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#define MUSB_RXCSR 0x06
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#define MUSB_RXCOUNT 0x08
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#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
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#define MUSB_TXTYPE 0x0A
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#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
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#define MUSB_TXINTERVAL 0x0B
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#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
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#define MUSB_RXTYPE 0x0C
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#define MUSB_RXINTERVAL 0x0D
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#define MUSB_FIFOSIZE 0x0F
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#define MUSB_CONFIGDATA MUSB_FIFOSIZE /* Re-used for EP0 */
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/* Offsets to endpoint registers in indexed model (using INDEX register) */
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#define MUSB_INDEXED_OFFSET(_epnum, _offset) \
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(0x10 + (_offset))
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/* Offsets to endpoint registers in flat models */
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#define MUSB_FLAT_OFFSET(_epnum, _offset) \
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(0x100 + (0x10*(_epnum)) + (_offset))
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#if defined(CONFIG_USB_MUSB_TUSB6010) || \
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defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
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/* TUSB6010 EP0 configuration register is special */
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#define MUSB_TUSB_OFFSET(_epnum, _offset) \
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(0x10 + _offset)
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#include "tusb6010.h" /* Needed "only" for TUSB_EP0_CONF */
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#endif
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#define MUSB_TXCSR_MODE 0x2000
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/* "bus control"/target registers, for host side multipoint (external hubs) */
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#define MUSB_TXFUNCADDR 0x00
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#define MUSB_TXHUBADDR 0x02
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#define MUSB_TXHUBPORT 0x03
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#define MUSB_RXFUNCADDR 0x04
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#define MUSB_RXHUBADDR 0x06
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#define MUSB_RXHUBPORT 0x07
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#define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
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(0x80 + (8*(_epnum)) + (_offset))
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#else /* CONFIG_ARCH_SUNXI */
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/*
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* Common USB registers
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*/
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#define MUSB_FADDR 0x0098
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#define MUSB_POWER 0x0040
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#define MUSB_INTRTX 0x0044
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#define MUSB_INTRRX 0x0046
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#define MUSB_INTRTXE 0x0048
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#define MUSB_INTRRXE 0x004A
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#define MUSB_INTRUSB 0x004C
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#define MUSB_INTRUSBE 0x0050
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#define MUSB_FRAME 0x0054
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#define MUSB_INDEX 0x0042
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#define MUSB_TESTMODE 0x007C
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/* Get offset for a given FIFO from musb->mregs */
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#define MUSB_FIFO_OFFSET(epnum) (0x00 + ((epnum) * 4))
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/*
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* Additional Control Registers
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*/
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#define MUSB_DEVCTL 0x0041
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/* These are always controlled through the INDEX register */
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#define MUSB_TXFIFOSZ 0x0090
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#define MUSB_RXFIFOSZ 0x0094
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#define MUSB_TXFIFOADD 0x0092
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#define MUSB_RXFIFOADD 0x0096
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#define MUSB_EPINFO 0x0078
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#define MUSB_RAMINFO 0x0079
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#define MUSB_LINKINFO 0x007A
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#define MUSB_VPLEN 0x007B
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#define MUSB_HS_EOF1 0x007C
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#define MUSB_FS_EOF1 0x007D
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#define MUSB_LS_EOF1 0x007E
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/* Offsets to endpoint registers */
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#define MUSB_TXMAXP 0x0080
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#define MUSB_TXCSR 0x0082
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#define MUSB_CSR0 0x0082
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#define MUSB_RXMAXP 0x0084
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#define MUSB_RXCSR 0x0086
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#define MUSB_RXCOUNT 0x0088
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#define MUSB_COUNT0 0x0088
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#define MUSB_TXTYPE 0x008C
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#define MUSB_TYPE0 0x008C
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#define MUSB_TXINTERVAL 0x008D
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#define MUSB_NAKLIMIT0 0x008D
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#define MUSB_RXTYPE 0x008E
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#define MUSB_RXINTERVAL 0x008F
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#define MUSB_CONFIGDATA 0x00b0 /* musb_read_configdata adds 0x10 ! */
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#define MUSB_FIFOSIZE 0x0090
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/* Offsets to endpoint registers in indexed model (using INDEX register) */
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#define MUSB_INDEXED_OFFSET(_epnum, _offset) (_offset)
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#define MUSB_TXCSR_MODE 0x2000
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/* "bus control"/target registers, for host side multipoint (external hubs) */
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#define MUSB_TXFUNCADDR 0x0098
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#define MUSB_TXHUBADDR 0x009A
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#define MUSB_TXHUBPORT 0x009B
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#define MUSB_RXFUNCADDR 0x009C
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#define MUSB_RXHUBADDR 0x009E
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#define MUSB_RXHUBPORT 0x009F
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/* Endpoint is selected with MUSB_INDEX. */
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#define MUSB_BUSCTL_OFFSET(_epnum, _offset) (_offset)
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#endif /* CONFIG_ARCH_SUNXI */
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static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
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{
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musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
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}
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static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
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{
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musb_writew(mbase, MUSB_TXFIFOADD, c_off);
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}
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static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
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{
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musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
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}
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static inline void musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
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{
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musb_writew(mbase, MUSB_RXFIFOADD, c_off);
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}
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static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
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{
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#ifndef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
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musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
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#endif
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}
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static inline u8 musb_read_txfifosz(void __iomem *mbase)
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{
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return musb_readb(mbase, MUSB_TXFIFOSZ);
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}
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static inline u16 musb_read_txfifoadd(void __iomem *mbase)
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{
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return musb_readw(mbase, MUSB_TXFIFOADD);
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}
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static inline u8 musb_read_rxfifosz(void __iomem *mbase)
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{
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return musb_readb(mbase, MUSB_RXFIFOSZ);
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}
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static inline u16 musb_read_rxfifoadd(void __iomem *mbase)
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{
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return musb_readw(mbase, MUSB_RXFIFOADD);
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}
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static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
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{
|
|
#ifdef CONFIG_ARCH_SUNXI /* No ulpi on sunxi */
|
|
return 0;
|
|
#else
|
|
return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
|
|
#endif
|
|
}
|
|
|
|
static inline u8 musb_read_configdata(void __iomem *mbase)
|
|
{
|
|
#ifdef CONFIG_USB_MUSB_FIXED_CONFIGDATA
|
|
/* <Sigh> allwinner saves a reg, and we need to hardcode this */
|
|
return 0xde;
|
|
#else
|
|
musb_writeb(mbase, MUSB_INDEX, 0);
|
|
return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
|
|
#endif
|
|
}
|
|
|
|
static inline u16 musb_read_hwvers(void __iomem *mbase)
|
|
{
|
|
#ifdef CONFIG_ARCH_SUNXI
|
|
return 0; /* Unknown version */
|
|
#else
|
|
return musb_readw(mbase, MUSB_HWVERS);
|
|
#endif
|
|
}
|
|
|
|
static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
|
|
{
|
|
return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
|
|
}
|
|
|
|
static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
|
|
u8 qh_addr_reg)
|
|
{
|
|
musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
|
|
}
|
|
|
|
static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
|
|
u8 qh_h_addr_reg)
|
|
{
|
|
musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
|
|
}
|
|
|
|
static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
|
|
u8 qh_h_port_reg)
|
|
{
|
|
musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
|
|
}
|
|
|
|
static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
|
|
u8 qh_addr_reg)
|
|
{
|
|
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
|
|
qh_addr_reg);
|
|
}
|
|
|
|
static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
|
|
u8 qh_addr_reg)
|
|
{
|
|
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
|
|
qh_addr_reg);
|
|
}
|
|
|
|
static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
|
|
u8 qh_h_port_reg)
|
|
{
|
|
musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
|
|
qh_h_port_reg);
|
|
}
|
|
|
|
static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXFUNCADDR));
|
|
}
|
|
|
|
static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBADDR));
|
|
}
|
|
|
|
static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBPORT));
|
|
}
|
|
|
|
static inline u8 musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR));
|
|
}
|
|
|
|
static inline u8 musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR));
|
|
}
|
|
|
|
static inline u8 musb_read_txhubport(void __iomem *mbase, u8 epnum)
|
|
{
|
|
return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT));
|
|
}
|
|
|
|
#endif /* __MUSB_REGS_H__ */
|