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| Current File : //sys/arm/at91/at91_spireg.h |
/*- * Copyright (c) 2006 M. Warner Losh. 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 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 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: release/9.1.0/sys/arm/at91/at91_spireg.h 237095 2012-06-14 20:05:12Z marius $ */ #ifndef ARM_AT91_AT91_SPIREG_H #define ARM_AT91_AT91_SPIREG_H #define SPI_CR 0x00 /* CR: Control Register */ #define SPI_CR_SPIEN 0x1 #define SPI_CR_SPIDIS 0x2 #define SPI_CR_SWRST 0x8 #define SPI_MR 0x04 /* MR: Mode Register */ #define SPI_MR_MSTR 0x01 #define SPI_MR_PS 0x02 #define SPI_MR_PCSDEC 0x04 #define SPI_MR_DIV32 0x08 #define SPI_MR_MODFDIS 0x10 #define SPI_MR_LLB 0x80 #define SPI_MR_PSC_CS0 0xe0000 #define SPI_MR_PSC_CS1 0xd0000 #define SPI_MR_PSC_CS2 0xb0000 #define SPI_MR_PSC_CS3 0x70000 #define SPI_RDR 0x08 /* RDR: Receive Data Register */ #define SPI_TDR 0x0c /* TDR: Transmit Data Register */ #define SPI_SR 0x10 /* SR: Status Register */ #define SPI_SR_RDRF 0x00001 #define SPI_SR_TDRE 0x00002 #define SPI_SR_MODF 0x00004 #define SPI_SR_OVRES 0x00008 #define SPI_SR_ENDRX 0x00010 #define SPI_SR_ENDTX 0x00020 #define SPI_SR_RXBUFF 0x00040 #define SPI_SR_TXBUFE 0x00080 #define SPI_SR_NSSR 0x00100 #define SPI_SR_TXEMPTY 0x00200 #define SPI_SR_SPIENS 0x10000 #define SPI_IER 0x14 /* IER: Interrupt Enable Regsiter */ #define SPI_IDR 0x18 /* IDR: Interrupt Disable Regsiter */ #define SPI_IMR 0x1c /* IMR: Interrupt Mask Regsiter */ #define SPI_CSR0 0x30 /* CS0: Chip Select 0 */ #define SPI_CSR_CPOL 0x01 #define SPI_CSR1 0x34 /* CS1: Chip Select 1 */ #define SPI_CSR2 0x38 /* CS2: Chip Select 2 */ #define SPI_CSR3 0x3c /* CS3: Chip Select 3 */ #endif /* ARM_AT91_AT91_SPIREG_H */