/* $NetBSD: sa11x0_comreg.h,v 1.3 2008/04/28 20:23:14 martin Exp $ */ /*- * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by IWAMOTO Toshihiro and Ichiro FUKUHARA. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* SA11[01]0 integrated UART interface */ /* #define SACOM_BASE 0x80050000 */ #define SACOM_FREQ (3686400 / 16) #define SACOMSPEED(b) (SACOM_FREQ / (b) - 1) /* size of I/O space */ #define SACOM_NPORTS 9 #define SACOM_TXFIFOLEN 8 #define SACOM_RXFIFOLEN 12 /* UART control register 0 */ #define SACOM_CR0 0x00 #define CR0_PE 0x01 /* Parity enable */ #define CR0_OES 0x02 /* Odd/even parity select */ #define CR0_SBS 0x04 /* Stop bit select */ #define CR0_DSS 0x08 /* Data size select */ #define CR0_SCE 0x10 /* Sample clock enable */ #define CR0_RCE 0x20 /* Receive clock edge enable */ #define CR0_TCE 0x40 /* Transmit clock edge enable */ /* UART control register 1 and 2 - baud rate divisor */ #define SACOM_CR1 0x04 #define SACOM_CR2 0x08 /* UART control register 3 */ #define SACOM_CR3 0x0C #define CR3_RXE 0x01 /* Receiver enable */ #define CR3_TXE 0x02 /* Transmitter enable */ #define CR3_BRK 0x04 /* Break */ #define CR3_RIE 0x08 /* Receive FIFO interrupt enable */ #define CR3_TIE 0x10 /* Transmit FIFO interrupt enable */ #define CR3_LBM 0x20 /* Loopback mode */ /* UART data register */ #define SACOM_DR 0x14 #define DR_PRE 0x100 /* Parity error */ #define DR_FRE 0x200 /* Framing error */ #define DR_ROR 0x400 /* Receiver overrun */ /* UART status register 0 */ #define SACOM_SR0 0x1C #define SR0_TFS 0x01 /* Transmit FIFO service request */ #define SR0_RFS 0x02 /* Receive FIFO service request */ #define SR0_RID 0x04 /* Receiver idle */ #define SR0_RBB 0x08 /* Receiver begin of break */ #define SR0_REB 0x10 /* Receiver end of break */ #define SR0_EIF 0x20 /* Error in FIFO */ /* UART status register 1 */ #define SACOM_SR1 0x20 #define SR1_TBY 0x01 /* Transmitter busy */ #define SR1_RNE 0x02 /* Receive FIFO not empty */ #define SR1_TNF 0x04 /* Transmit FIFO not full */ #define SR1_PRE 0x08 /* Parity error */ #define SR1_FRE 0x10 /* Framing error */ #define SR1_ROR 0x20 /* Receive FIFO overrun */
