506 lines
15 KiB
C
506 lines
15 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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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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/* 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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#ifndef CONFIG_BLACKFIN
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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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#ifdef CONFIG_USB_TUSB6010
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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_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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#ifdef CONFIG_USB_TUSB6010
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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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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 u8 musb_read_configdata(void __iomem *mbase)
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{
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musb_writeb(mbase, MUSB_INDEX, 0);
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return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
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}
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static inline u16 musb_read_hwvers(void __iomem *mbase)
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{
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return musb_readw(mbase, MUSB_HWVERS);
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}
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static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
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{
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return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
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}
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static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
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u8 qh_addr_reg)
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{
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musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
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}
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static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
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u8 qh_h_addr_reg)
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{
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musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
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}
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static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
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u8 qh_h_port_reg)
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{
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musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
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}
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static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
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u8 qh_addr_reg)
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{
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musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
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qh_addr_reg);
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}
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static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
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u8 qh_addr_reg)
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{
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musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
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qh_addr_reg);
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}
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static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
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u8 qh_h_port_reg)
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{
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musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
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qh_h_port_reg);
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}
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#else /* CONFIG_BLACKFIN */
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#define USB_BASE USB_FADDR
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#define USB_OFFSET(reg) (reg - USB_BASE)
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/*
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* Common USB registers
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*/
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#define MUSB_FADDR USB_OFFSET(USB_FADDR) /* 8-bit */
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#define MUSB_POWER USB_OFFSET(USB_POWER) /* 8-bit */
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#define MUSB_INTRTX USB_OFFSET(USB_INTRTX) /* 16-bit */
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#define MUSB_INTRRX USB_OFFSET(USB_INTRRX)
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#define MUSB_INTRTXE USB_OFFSET(USB_INTRTXE)
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#define MUSB_INTRRXE USB_OFFSET(USB_INTRRXE)
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#define MUSB_INTRUSB USB_OFFSET(USB_INTRUSB) /* 8 bit */
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#define MUSB_INTRUSBE USB_OFFSET(USB_INTRUSBE)/* 8 bit */
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#define MUSB_FRAME USB_OFFSET(USB_FRAME)
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#define MUSB_INDEX USB_OFFSET(USB_INDEX) /* 8 bit */
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#define MUSB_TESTMODE USB_OFFSET(USB_TESTMODE)/* 8 bit */
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/* Get offset for a given FIFO from musb->mregs */
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#define MUSB_FIFO_OFFSET(epnum) \
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(USB_OFFSET(USB_EP0_FIFO) + ((epnum) * 8))
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/*
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* Additional Control Registers
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*/
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#define MUSB_DEVCTL USB_OFFSET(USB_OTG_DEV_CTL) /* 8 bit */
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#define MUSB_LINKINFO USB_OFFSET(USB_LINKINFO)/* 8 bit */
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#define MUSB_VPLEN USB_OFFSET(USB_VPLEN) /* 8 bit */
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#define MUSB_HS_EOF1 USB_OFFSET(USB_HS_EOF1) /* 8 bit */
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#define MUSB_FS_EOF1 USB_OFFSET(USB_FS_EOF1) /* 8 bit */
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#define MUSB_LS_EOF1 USB_OFFSET(USB_LS_EOF1) /* 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 0x04
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#define MUSB_CSR0 MUSB_TXCSR /* Re-used for EP0 */
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#define MUSB_RXMAXP 0x08
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#define MUSB_RXCSR 0x0C
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#define MUSB_RXCOUNT 0x10
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#define MUSB_COUNT0 MUSB_RXCOUNT /* Re-used for EP0 */
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#define MUSB_TXTYPE 0x14
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#define MUSB_TYPE0 MUSB_TXTYPE /* Re-used for EP0 */
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#define MUSB_TXINTERVAL 0x18
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#define MUSB_NAKLIMIT0 MUSB_TXINTERVAL /* Re-used for EP0 */
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#define MUSB_RXTYPE 0x1C
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#define MUSB_RXINTERVAL 0x20
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#define MUSB_TXCOUNT 0x28
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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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(0x40 + (_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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(USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
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/* Not implemented - HW has seperate Tx/Rx FIFO */
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#define MUSB_TXCSR_MODE 0x0000
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static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
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{
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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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}
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static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
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{
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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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}
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static inline u8 musb_read_configdata(void __iomem *mbase)
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{
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return 0;
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}
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static inline u16 musb_read_hwvers(void __iomem *mbase)
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{
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return 0;
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}
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static inline u16 musb_read_target_reg_base(u8 i, void __iomem *mbase)
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{
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return 0;
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}
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static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
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u8 qh_addr_req)
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{
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}
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static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
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u8 qh_h_addr_reg)
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{
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}
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static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
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u8 qh_h_port_reg)
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{
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}
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static inline void musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
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u8 qh_addr_reg)
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{
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}
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static inline void musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
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u8 qh_addr_reg)
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{
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}
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static inline void musb_write_txhubport(void __iomem *mbase, u8 epnum,
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u8 qh_h_port_reg)
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{
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}
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#endif /* CONFIG_BLACKFIN */
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#endif /* __MUSB_REGS_H__ */
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