diff options
Diffstat (limited to 'sys/arm/broadcom/bcm2835/bcm2835_spireg.h')
| -rw-r--r-- | sys/arm/broadcom/bcm2835/bcm2835_spireg.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sys/arm/broadcom/bcm2835/bcm2835_spireg.h b/sys/arm/broadcom/bcm2835/bcm2835_spireg.h new file mode 100644 index 000000000000..a658f16c92b9 --- /dev/null +++ b/sys/arm/broadcom/bcm2835/bcm2835_spireg.h @@ -0,0 +1,77 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> + * Copyright (c) 2013 Luiz Otavio O Souza <loos@freebsd.org> + * 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 _BCM2835_SPIREG_H_ +#define _BCM2835_SPIREG_H_ + +#define SPI_CORE_CLK 250000000U +#define SPI_CS 0x00 +#define SPI_CS_LEN_LONG (1 << 25) +#define SPI_CS_DMA_LEN (1 << 24) +#define SPI_CS_CSPOL2 (1 << 23) +#define SPI_CS_CSPOL1 (1 << 22) +#define SPI_CS_CSPOL0 (1 << 21) +#define SPI_CS_RXF (1 << 20) +#define SPI_CS_RXR (1 << 19) +#define SPI_CS_TXD (1 << 18) +#define SPI_CS_RXD (1 << 17) +#define SPI_CS_DONE (1 << 16) +#define SPI_CS_LEN (1 << 13) +#define SPI_CS_REN (1 << 12) +#define SPI_CS_ADCS (1 << 11) +#define SPI_CS_INTR (1 << 10) +#define SPI_CS_INTD (1 << 9) +#define SPI_CS_DMAEN (1 << 8) +#define SPI_CS_TA (1 << 7) +#define SPI_CS_CSPOL (1 << 6) +#define SPI_CS_CLEAR_RXFIFO (1 << 5) +#define SPI_CS_CLEAR_TXFIFO (1 << 4) +#define SPI_CS_CPOL (1 << 3) +#define SPI_CS_CPHA (1 << 2) +#define SPI_CS_MASK 0x3 +#define SPI_FIFO 0x04 +#define SPI_CLK 0x08 +#define SPI_CLK_MASK 0xffff +#define SPI_DLEN 0x0c +#define SPI_DLEN_MASK 0xffff +#define SPI_LTOH 0x10 +#define SPI_LTOH_MASK 0xf +#define SPI_DC 0x14 +#define SPI_DC_RPANIC_SHIFT 24 +#define SPI_DC_RPANIC_MASK (0xff << SPI_DC_RPANIC_SHIFT) +#define SPI_DC_RDREQ_SHIFT 16 +#define SPI_DC_RDREQ_MASK (0xff << SPI_DC_RDREQ_SHIFT) +#define SPI_DC_TPANIC_SHIFT 8 +#define SPI_DC_TPANIC_MASK (0xff << SPI_DC_TPANIC_SHIFT) +#define SPI_DC_TDREQ_SHIFT 0 +#define SPI_DC_TDREQ_MASK 0xff + +#endif /* _BCM2835_SPIREG_H_ */ |