NetBSD/sys/dev/marvell/mvspireg.h

79 lines
4.0 KiB
C

/*******************************************************************************
Copyright (C) Marvell International Ltd. and its affiliates
Developed by Semihalf
********************************************************************************
Marvell BSD License
If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File under the following licensing terms.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Marvell nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
#ifndef _MVSPIREG_H_
#define _MVSPIREG_H_
#define MVSPI_SIZE 0x50 /* Size of MVSPI */
/* Definition of registers */
#define MVSPI_CTRL_REG 0x00 /* MVSPI Control Register */
#define MVSPI_INTCONF_REG 0x04 /* MVSPI Interface Configuration Register */
#define MVSPI_DATAOUT_REG 0x08 /* MVSPI Data Out Register */
#define MVSPI_DATAIN_REG 0x0C /* MVSPI Data In Register */
#define MVSPI_IRQCAUSE_REG 0x10 /* MVSPI Interrupt Cause Register */
#define MVSPI_IRQMASK_REG 0x14 /* MVSPI Interrupt Mask Register */
#define MVSPI_TIMEPAR1_REG 0x18 /* MVSPI Timing Parameters 1 Register*/
#define MVSPI_TIMEPAR2_REG 0x1C /* MVSPI Timing Parameters 2 Register */
#define MVSPI_DIRWRITE_REG 0x20 /* MVSPI Direct Write Configuration Register*/
#define MVSPI_DIRWRITEHD_REG 0x24 /* MVSPI Direct Write Header Register */
#define MVSPI_DIRREADHD_REG 0x28 /* MVSPI Direct Read Header Register */
#define MVSPI_CSADRDEC_REG 0x2C /* MVSPI CS Address Decode Register */
#define MVSPI_CSnTIMPAR_REG 0x30 /* MVSPI CSn Timing Parameters Register */
#define MVSPI_CNTVER_REG 0x50 /* MVSPI Controller Version Register */
/* Masks */
#define MVSPI_CPOL_MASK 0x0800 /* CPOL bit = 1 */
#define MVSPI_CPHA_MASK 0x1000 /* CPHA bit = 1 */
#define MVSPI_DIRHS_MASK 0xFBFF /* SPI Direct Read High Speed Transaction Mask */
#define MVSPI_1BYTE_MASK 0xFFDF /* Number of bits in each I/O transfer Mask */
#define MVSPI_SPR_MASK 0x0007 /* SPR field mask */
#define MVSPI_SPPR_MASK 0x00D0 /* SPPR field mask */
#define MVSPI_SPPRHI_MASK 0x00C0 /* SPPR_HI field mask */
#define MVSPI_SPPR0_MASK 0x0010 /* SPPR0 field mask */
#define MVSPI_CSNACT_MASK 0x0001 /* CSn transfer acknowledge bit */
#define MVSPI_CR_SMEMRDY 0x0002 /* MVSPI Control Register Serial Memory Data Transfer Ready */
#define MVSPI_DUMMY_BYTE 0xFF /* Dummy byte */
#define MVSPI_WAIT_RDY_MAX_LOOP 100000 /* Transfer timeout threshold */
#define MVSPI_SPR_MAXVALUE 15 /* Maximum value for SPR coeficient */
#define MVSPI_SPPR_MAXVALUE 7 /* Maximum value for SPPR coeficient */
#endif /* _MVSPIREG_H_ */