uart_cpu_s3c2410.c revision 205354
1214501Srpaulo/* 2214501Srpaulo * Copyright (c) 2003 Marcel Moolenaar 3214501Srpaulo * Copyright (c) 2007 Andrew Turner 4214501Srpaulo * All rights reserved. 5214501Srpaulo * 6252726Srpaulo * Redistribution and use in source and binary forms, with or without 7252726Srpaulo * modification, are permitted provided that the following conditions 8214501Srpaulo * are met: 9214501Srpaulo * 10214501Srpaulo * 1. Redistributions of source code must retain the above copyright 11214501Srpaulo * notice, this list of conditions and the following disclaimer. 12214501Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 13214501Srpaulo * notice, this list of conditions and the following disclaimer in the 14214501Srpaulo * documentation and/or other materials provided with the distribution. 15214501Srpaulo * 16214501Srpaulo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17214501Srpaulo * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18214501Srpaulo * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19214501Srpaulo * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20214501Srpaulo * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21214501Srpaulo * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22214501Srpaulo * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23214501Srpaulo * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24214501Srpaulo * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25214501Srpaulo * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26214501Srpaulo */ 27214501Srpaulo 28214501Srpaulo#include <sys/cdefs.h> 29214501Srpaulo__FBSDID("$FreeBSD: head/sys/arm/s3c2xx0/uart_cpu_s3c2410.c 205354 2010-03-20 03:39:35Z imp $"); 30214501Srpaulo 31214501Srpaulo#include <sys/param.h> 32214501Srpaulo#include <sys/systm.h> 33214501Srpaulo#include <sys/bus.h> 34214501Srpaulo#include <sys/cons.h> 35214501Srpaulo#include <machine/bus.h> 36214501Srpaulo 37214501Srpaulo#include <dev/uart/uart.h> 38214501Srpaulo#include <dev/uart/uart_cpu.h> 39214501Srpaulo 40214501Srpaulo#include <arm/s3c2xx0/s3c2xx0var.h> 41214501Srpaulo 42214501Srpaulobus_space_tag_t uart_bus_space_io; 43214501Srpaulobus_space_tag_t uart_bus_space_mem; 44214501Srpaulo 45214501Srpauloextern struct uart_ops uart_s3c2410_ops; 46214501Srpaulo 47214501Srpaulovm_offset_t s3c2410_uart_vaddr; 48214501Srpaulounsigned int s3c2410_pclk; 49214501Srpaulo 50214501Srpauloextern struct uart_class uart_s3c2410_class; 51214501Srpaulo 52214501Srpauloint 53214501Srpaulouart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 54214501Srpaulo{ 55214501Srpaulo return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 56214501Srpaulo} 57214501Srpaulo 58214501Srpauloint 59214501Srpaulouart_cpu_getdev(int devtype, struct uart_devinfo *di) 60214501Srpaulo{ 61214501Srpaulo if (devtype != UART_DEV_CONSOLE) 62214501Srpaulo return (ENXIO); 63214501Srpaulo 64214501Srpaulo di->ops = uart_getops(&uart_s3c2410_class); 65214501Srpaulo di->bas.chan = 0; 66214501Srpaulo di->bas.bst = &s3c2xx0_bs_tag; 67214501Srpaulo di->bas.bsh = s3c2410_uart_vaddr; 68214501Srpaulo di->bas.regshft = 0; 69214501Srpaulo di->bas.rclk = s3c2410_pclk; 70214501Srpaulo di->baudrate = 115200; 71 di->databits = 8; 72 di->stopbits = 1; 73 di->parity = UART_PARITY_NONE; 74 uart_bus_space_io = &s3c2xx0_bs_tag; 75 uart_bus_space_mem = NULL; 76 77 return (0); 78} 79