Annotation of sys/arch/arm/sa11x0/sa11x0_sspreg.h, Revision 1.1
1.1 ! nbrk 1: /* $NetBSD: sa11x0_sspreg.h,v 1.2 2006/04/11 15:24:24 peter Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved.
! 5: *
! 6: * This code is derived from software contributed to The NetBSD Foundation
! 7: * by IWAMOTO Toshihiro.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by the NetBSD
! 20: * Foundation, Inc. and its contributors.
! 21: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 22: * contributors may be used to endorse or promote products derived
! 23: * from this software without specific prior written permission.
! 24: *
! 25: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 26: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 27: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 28: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 29: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 35: * POSSIBILITY OF SUCH DAMAGE.
! 36: */
! 37:
! 38: /* SA11[01]0 integrated SSP (synchronous serial port) interface */
! 39:
! 40: #define SASSP_FREQ (3686400 / 2)
! 41: #define SASSPSPEED(b) (SACOM_FREQ / (b) - 1)
! 42:
! 43: /* size of I/O space */
! 44: #define SASSP_NPORTS 30
! 45:
! 46: #define SASSP_TXFIFOLEN 8
! 47: #define SASSP_RXFIFOLEN 12
! 48:
! 49: /* SSP control register 0 */
! 50: #define SASSP_CR0 0x60
! 51: #define CR0_DSS_MASK 0x000F /* Data size select */
! 52: #define CR0_FRF_MASK 0x0030 /* Frame format */
! 53: #define CR0_SSE 0x0080 /* SSP enable */
! 54: #define CR0_SCR_MASK 0xFF00 /* Serial clock rate */
! 55:
! 56: /* SSP control register 1 */
! 57: #define SASSP_CR1 0x64
! 58: #define CR1_RIE 0x01 /* Receive FIFO interrupt enable */
! 59: #define CR1_TIE 0x02 /* Transmit FIFO interrupt enable */
! 60: #define CR1_LBM 0x04 /* Loopback mode */
! 61: #define CR1_SPO 0x08 /* Serial clock polarity */
! 62: #define CR1_SPH 0x10 /* Serial clock phase */
! 63: #define CR1_ECS 0x20 /* External clock select */
! 64:
! 65: /* SSP data register */
! 66: #define SASSP_DR 0x6C
! 67:
! 68: /* SSP status register */
! 69: #define SASSP_SR 0x74
! 70: #define SR_TNF 0x02 /* Transmit FIFO not full */
! 71: #define SR_RNE 0x04 /* Receive FIFO not empty */
! 72: #define SR_BSY 0x08 /* SSP busy flag */
! 73: #define SR_TFS 0x10 /* Transmit FIFO service request */
! 74: #define SR_RFS 0x20 /* Receive FIFO service request */
! 75: #define SR_ROR 0x40 /* Receive FIFO overrrun */
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