1/*- 2 * Copyright (C) 2009 Yohanes Nugroho <yohanes@gmail.com> 3 * All rights reserved. 4 * 5 * Developed by Semihalf. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include "opt_uart.h" 30 31#include <sys/cdefs.h> 32__FBSDID("$FreeBSD$"); 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/bus.h> 37#include <sys/cons.h> 38 39#include <machine/bus.h> 40 41#include <dev/uart/uart.h> 42#include <dev/uart/uart_cpu.h> 43 44#include <sys/rman.h> 45 46#include <arm/econa/econa_reg.h> 47#include <arm/econa/econa_var.h> 48 49bus_space_tag_t uart_bus_space_io; 50bus_space_tag_t uart_bus_space_mem; 51 52int 53uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) 54{ 55 56 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); 57} 58 59int 60uart_cpu_getdev(int devtype, struct uart_devinfo *di) 61{ 62 struct uart_class *class = &uart_ns8250_class; 63 64 di->ops = uart_getops(class); 65 di->bas.chan = 0; 66 di->bas.bst = obio_tag; 67 68 if (bus_space_map(di->bas.bst, ECONA_IO_BASE + ECONA_UART_BASE, 69 ECONA_UART_SIZE, 70 0, &di->bas.bsh) != 0) { 71 return (ENXIO); 72 } 73 74 di->baudrate = 0; 75 di->bas.regshft = EC_UART_REGSHIFT; 76 di->bas.rclk = EC_UART_CLOCK ; 77 di->databits = 8; 78 di->stopbits = 1; 79 di->parity = UART_PARITY_NONE; 80 uart_bus_space_mem = obio_tag; 81 uart_bus_space_io = NULL; 82 83 return (0); 84} 85