netbsd/sys/arch/arm/imx/imxcspireg.h
2015-10-15 10:25:28 +02:00

94 lines
3.8 KiB
C

/* $NetBSD: imxcspireg.h,v 1.1 2014/03/22 09:28:08 hkenken Exp $ */
/*
* Copyright (c) 2014 Genetec Corporation. All rights reserved.
* Written by Hashimoto Kenichi for Genetec Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``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 GENETEC CORPORATION
* 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 _ARM_IMX_IMXCSPIREG_H_
#define _ARM_IMX_IMXCSPIREG_H_
#define CSPI_RXDATA 0x00
#define CSPI_TXDATA 0x04
#define CSPI_CONREG 0x08
#ifdef IMX51
#define CSPI_CON_CS __BITS(13, 12)
#define CSPI_CON_DRCTL __BITS( 9, 8)
#define CSPI_CON_BITCOUNT __BITS(31, 20)
#else
#define CSPI_CON_CS __BITS(25, 24)
#define CSPI_CON_DRCTL __BITS(21, 20)
#define CSPI_CON_BITCOUNT __BITS(12, 8)
#endif
#define CSPI_CON_DIV __BITS(18, 16)
#define CSPI_CON_SSPOL __BIT(7) /* SPI SS Polarity Select */
#define CSPI_CON_SSCTL __BIT(6) /* In master mode, this bit
* selects the output wave form
* for the SS signal.
*/
#define CSPI_CON_PHA __BIT(5) /* PHA */
#define CSPI_CON_POL __BIT(4) /* POL */
#define CSPI_CON_SMC __BIT(3) /* SMC */
#define CSPI_CON_XCH __BIT(2) /* XCH */
#define CSPI_CON_MODE __BIT(1) /* MODE */
#define CSPI_CON_ENABLE __BIT(0) /* EN */
#define CSPI_INTREG 0x0c
#define CSPI_INTR_ALL_EN 0x000001ff /* All Intarruption Enabled */
#ifdef IMX51
#define CSPI_INTR_TC_EN __BIT(7) /* TX Complete */
#else
#define CSPI_INTR_TC_EN __BIT(8) /* TX Complete */
#define CSPI_INTR_BO_EN __BIT(7) /* Bit Counter Overflow */
#endif
#define CSPI_INTR_RO_EN __BIT(6) /* RXFIFO Overflow */
#define CSPI_INTR_RF_EN __BIT(5) /* RXFIFO Full */
#define CSPI_INTR_RH_EN __BIT(4) /* RXFIFO Half Full */
#define CSPI_INTR_RR_EN __BIT(3) /* RXFIFO Ready */
#define CSPI_INTR_TF_EN __BIT(2) /* TXFIFO Full */
#define CSPI_INTR_TH_EN __BIT(1) /* TXFIFO Half Empty */
#define CSPI_INTR_TE_EN __BIT(0) /* TXFIFO Empty */
#define CSPI_DMAREG 0x10
#define CSPI_STATREG 0x14
#ifdef IMX51
#define CSPI_STAT_CLR_TC __BIT(7) /* Clear TC of status register */
#define CSPI_STAT_CLR CSPI_STAT_CLR_TC
#else
#define CSPI_STAT_CLR_TC __BIT(8) /* Clear TC of status register */
#define CSPI_STAT_CLR_BO __BIT(7) /* Clear BO of status register */
#define CSPI_STAT_CLR (CSPI_STAT_CLR_TC | CSPI_STAT_CLR_BO)
#endif
#define CSPI_STAT_RO __BIT(6) /* RXFIFO Overflow */
#define CSPI_STAT_RF __BIT(5) /* RXFIFO Full */
#define CSPI_STAT_RH __BIT(4) /* RXFIFO Half Full */
#define CSPI_STAT_RR __BIT(3) /* RXFIFO Ready */
#define CSPI_STAT_TF __BIT(2) /* TXFIFO Full */
#define CSPI_STAT_TH __BIT(1) /* TXFIFO Half Empty */
#define CSPI_STAT_TE __BIT(0) /* TXFIFO Empty */
#define CSPI_PERIODREG 0x18
#define CSPI_TESTREG 0x1c
#define SPI_SIZE 0x100
#endif /* _ARM_IMX_IMXCSPIREG_H_ */