freebsd-dev/sys/arm/ti/ti_spireg.h

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/*-
* Copyright (c) 2016 Rubicon Communications, LLC (Netgate)
* All rights reserved.
*
* 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 THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _TI_SPIREG_H_
#define _TI_SPIREG_H_
#define TI_SPI_GCLK 48000000U
#define TI_SPI_FIFOSZ 32
#define MCSPI_REVISION 0x0
#define MCSPI_REVISION_SCHEME_SHIFT 30
#define MCSPI_REVISION_SCHEME_MSK 0x3
#define MCSPI_REVISION_FUNC_SHIFT 16
#define MCSPI_REVISION_FUNC_MSK 0xfff
#define MCSPI_REVISION_RTL_SHIFT 11
#define MCSPI_REVISION_RTL_MSK 0x1f
#define MCSPI_REVISION_MAJOR_SHIFT 8
#define MCSPI_REVISION_MAJOR_MSK 0x7
#define MCSPI_REVISION_CUSTOM_SHIFT 6
#define MCSPI_REVISION_CUSTOM_MSK 0x3
#define MCSPI_REVISION_MINOR_SHIFT 0
#define MCSPI_REVISION_MINOR_MSK 0x3f
#define MCSPI_SYSCONFIG 0x110
#define MCSPI_SYSCONFIG_SOFTRESET (1 << 1)
#define MCSPI_SYSSTATUS 0x114
#define MCSPI_SYSSTATUS_RESETDONE (1 << 0)
#define MCSPI_MODULCTRL 0x128
#define MCSPI_MODULCTRL_SLAVE (1 << 2)
#define MCSPI_MODULCTRL_SINGLE (1 << 0)
#define MCSPI_IRQSTATUS 0x118
#define MCSPI_IRQENABLE 0x11c
#define MCSPI_IRQ_EOW (1 << 17)
#define MCSPI_IRQ_RX0_OVERFLOW (1 << 3)
#define MCSPI_IRQ_RX0_FULL (1 << 2)
#define MCSPI_IRQ_TX0_UNDERFLOW (1 << 1)
#define MCSPI_IRQ_TX0_EMPTY (1 << 0)
#define MCSPI_CONF_CH(_c) (0x12c + 0x14 * (_c))
#define MCSPI_CONF_CLKG (1 << 29)
#define MCSPI_CONF_FFER (1 << 28)
#define MCSPI_CONF_FFEW (1 << 27)
#define MCSPI_CONF_SBPOL (1 << 24)
#define MCSPI_CONF_SBE (1 << 23)
#define MCSPI_CONF_FORCE (1 << 20)
#define MCSPI_CONF_TURBO (1 << 19)
#define MCSPI_CONF_IS (1 << 18)
#define MCSPI_CONF_DPE1 (1 << 17)
#define MCSPI_CONF_DPE0 (1 << 16)
#define MCSPI_CONF_DMAR (1 << 15)
#define MCSPI_CONF_DMAW (1 << 14)
#define MCSPI_CONF_WL_MSK 0x1f
#define MCSPI_CONF_WL_SHIFT 7
#define MCSPI_CONF_WL8BITS (7 << MCSPI_CONF_WL_SHIFT)
#define MCSPI_CONF_EPOL (1 << 6)
#define MCSPI_CONF_CLK_MSK 0xf
#define MCSPI_CONF_CLK_SHIFT 2
#define MCSPI_CONF_POL (1 << 1)
#define MCSPI_CONF_PHA (1 << 0)
#define MCSPI_STAT_CH(_c) (0x130 + 0x14 * (_c))
#define MCSPI_STAT_TXFFF (1 << 4)
#define MCSPI_STAT_TXS (1 << 1)
#define MCSPI_STAT_RXS (1 << 0)
#define MCSPI_CTRL_CH(_c) (0x134 + 0x14 * (_c))
#define MCSPI_EXTCLK_MSK 0xfff
#define MCSPI_CTRL_EXTCLK_MSK 0xff
#define MCSPI_CTRL_EXTCLK_SHIFT 8
#define MCSPI_CTRL_ENABLE (1 << 0)
#define MCSPI_TX_CH(_c) (0x138 + 0x14 * (_c))
#define MCSPI_RX_CH(_c) (0x13c + 0x14 * (_c))
#define MCSPI_XFERLEVEL 0x17c
#define MCSPI_XFERLEVEL_AFL(_a) (((_a) >> 8) & 0xff)
#define MCSPI_XFERLEVEL_AEL(_a) (((_a) >> 0) & 0xff)
#endif /* _TI_SPIREG_H_ */