tx39spireg.h revision 1.2
1 /* $NetBSD: tx39spireg.h,v 1.2 2001/06/14 11:09:56 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 /* 39 * Toshiba TX3912/3922 SPI module 40 */ 41 42 #define TX39_SPICTRL_REG 0x160 43 #define TX39_SPITXHOLD_REG 0x164 /* W */ 44 #define TX39_SPIRXHOLD_REG 0x164 /* R */ 45 46 /* 47 * SPI Control Register 48 */ 49 /* R */ 50 #define TX39_SPICTRL_SPION 0x00020000 51 #define TX39_SPICTRL_EMPTY 0x00010000 52 /* R/W */ 53 #define TX39_SPICTRL_DELAYVAL_SHIFT 12 54 #define TX39_SPICTRL_DELAYVAL_MASK 0xf 55 #define TX39_SPICTRL_DELAYVAL(cr) \ 56 (((cr) >> TX39_SPICTRL_DELAYVAL_SHIFT) & \ 57 TX39_SPICTRL_DELAYVAL_MASK) 58 #define TX39_SPICTRL_DELAYVAL_SET(cr, val) \ 59 ((cr) | (((val) << TX39_SPICTRL_DELAYVAL_SHIFT) & \ 60 (TX39_SPICTRL_DELAYVAL_MASK << TX39_SPICTRL_DELAYVAL_SHIFT))) 61 /* SPICLK Rate = 7.3728MHz/(BAUDRATE*2 + 2) */ 62 #define TX39_SPICTRL_BAUDRATE_SHIFT 8 63 #define TX39_SPICTRL_BAUDRATE_MASK 0xf 64 #define TX39_SPICTRL_BAUDRATE(cr) \ 65 (((cr) >> TX39_SPICTRL_BAUDRATE_SHIFT) & \ 66 TX39_SPICTRL_BAUDRATE_MASK) 67 #define TX39_SPICTRL_BAUDRATE_SET(cr, val) \ 68 ((cr) | (((val) << TX39_SPICTRL_BAUDRATE_SHIFT) & \ 69 (TX39_SPICTRL_BAUDRATE_MASK << TX39_SPICTRL_BAUDRATE_SHIFT))) 70 #define TX39_SPICTRL_PHAPOL 0x00000020 71 #define TX39_SPICTRL_CLKPOL 0x00000010 72 #define TX39_SPICTRL_WORD 0x00000004 73 #define TX39_SPICTRL_LSB 0x00000002 74 #define TX39_SPICTRL_ENSPI 0x00000001 75 76 /* 77 * SPI Transmitter Holding Register 78 */ 79 /* W */ 80 #define TX39_SPICTRL_TXDATA_SHIFT 0 81 #define TX39_SPICTRL_TXDATA_MASK 0xffff 82 #define TX39_SPICTRL_TXDATA_SET(cr, val) \ 83 ((cr) | (((val) << TX39_SPICTRL_TXDATA_SHIFT) & \ 84 (TX39_SPICTRL_TXDATA_MASK << TX39_SPICTRL_TXDATA_SHIFT))) 85 86 /* 87 * SPI Receiver Holding Register 88 */ 89 /* R */ 90 #define TX39_SPICTRL_RXDATA_SHIFT 8 91 #define TX39_SPICTRL_RXDATA_MASK 0xf 92 #define TX39_SPICTRL_RXDATA(cr) \ 93 (((cr) >> TX39_SPICTRL_RXDATA_SHIFT) & \ 94 TX39_SPICTRL_RXDATA_MASK) 95
Indexes created Wed Oct 29 20:09:47 GMT 2025