at91_spireg.h revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 M. Warner Losh. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28/* $FreeBSD: stable/11/sys/arm/at91/at91_spireg.h 330897 2018-03-14 03:19:51Z eadler $ */ 29 30#ifndef ARM_AT91_AT91_SPIREG_H 31#define ARM_AT91_AT91_SPIREG_H 32 33#define SPI_CR 0x00 /* CR: Control Register */ 34#define SPI_CR_SPIEN 0x1 35#define SPI_CR_SPIDIS 0x2 36#define SPI_CR_SWRST 0x8 37#define SPI_MR 0x04 /* MR: Mode Register */ 38#define SPI_MR_MSTR 0x01 39#define SPI_MR_PS 0x02 40#define SPI_MR_PCSDEC 0x04 41#define SPI_MR_DIV32 0x08 42#define SPI_MR_MODFDIS 0x10 43#define SPI_MR_LLB 0x80 44#define SPI_MR_PSC_CS0 0xe0000 45#define SPI_MR_PSC_CS1 0xd0000 46#define SPI_MR_PSC_CS2 0xb0000 47#define SPI_MR_PSC_CS3 0x70000 48#define SPI_RDR 0x08 /* RDR: Receive Data Register */ 49#define SPI_TDR 0x0c /* TDR: Transmit Data Register */ 50#define SPI_SR 0x10 /* SR: Status Register */ 51#define SPI_SR_RDRF 0x00001 52#define SPI_SR_TDRE 0x00002 53#define SPI_SR_MODF 0x00004 54#define SPI_SR_OVRES 0x00008 55#define SPI_SR_ENDRX 0x00010 56#define SPI_SR_ENDTX 0x00020 57#define SPI_SR_RXBUFF 0x00040 58#define SPI_SR_TXBUFE 0x00080 59#define SPI_SR_NSSR 0x00100 60#define SPI_SR_TXEMPTY 0x00200 61#define SPI_SR_SPIENS 0x10000 62#define SPI_IER 0x14 /* IER: Interrupt Enable Regsiter */ 63#define SPI_IDR 0x18 /* IDR: Interrupt Disable Regsiter */ 64#define SPI_IMR 0x1c /* IMR: Interrupt Mask Regsiter */ 65#define SPI_CSR0 0x30 /* CS0: Chip Select 0 */ 66#define SPI_CSR_CPOL 0x01 67#define SPI_CSR1 0x34 /* CS1: Chip Select 1 */ 68#define SPI_CSR2 0x38 /* CS2: Chip Select 2 */ 69#define SPI_CSR3 0x3c /* CS3: Chip Select 3 */ 70 71#endif /* ARM_AT91_AT91_SPIREG_H */ 72