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