uart_cpu_pxa.c revision 256281
1/*- 2 * Copyright (c) 2003 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/10/sys/arm/xscale/pxa/uart_cpu_pxa.c 179595 2008-06-06 05:08:09Z benno $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/cons.h> 34#include <machine/bus.h> 35 36#include <dev/uart/uart.h> 37#include <dev/uart/uart_cpu.h> 38 39#include <arm/xscale/pxa/pxavar.h> 40#include <arm/xscale/pxa/pxareg.h> 41 42bus_space_tag_t uart_bus_space_io; 43bus_space_tag_t uart_bus_space_mem; 44 45int 46uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 47{ 48 49 return (b1->bsh == b2->bsh ? 1 : 0); 50} 51 52int 53uart_cpu_getdev(int devtype, struct uart_devinfo *di) 54{ 55 56 di->ops = uart_getops(&uart_ns8250_class); 57 di->bas.chan = 0; 58 di->bas.bst = obio_tag; 59 di->bas.regshft = 2; 60 di->bas.rclk = PXA2X0_COM_FREQ; 61 di->baudrate = 115200; 62 di->databits = 8; 63 di->stopbits = 1; 64 di->parity = UART_PARITY_NONE; 65 uart_bus_space_mem = obio_tag; 66 uart_bus_space_io = NULL; 67 di->bas.bsh = PXA2X0_FFUART_BASE; 68 return (0); 69} 70