/*- * Copyright (c) 2006 Wojciech A. Koszek <wkoszek@FreeBSD.org> * All rights reserved. * * 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 AUTHOR 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 AUTHOR 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. * * $Id$ */ /* * Skeleton of this file was based on respective code for ARM * code written by Olivier Houchard. */ /* * XXXMIPS: This file is hacked from arm/... . XXXMIPS here means this file is * experimental and was written for MIPS32 port. */ #include "opt_uart.h" #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/cons.h> #include <machine/bus.h> #include <dev/uart/uart.h> #include <dev/uart/uart_cpu.h> extern struct uart_class uart_rc32434_uart_class; bus_space_tag_t uart_bus_space_io; bus_space_tag_t uart_bus_space_mem; int uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2) { return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0); } int uart_cpu_getdev(int devtype, struct uart_devinfo *di) { uint32_t maddr; if (resource_int_value("uart", 0, "maddr", &maddr) != 0 || maddr == 0) return (ENXIO); /* Got it. Fill in the instance and return it. */ di->ops = uart_getops(&uart_ns8250_class); di->bas.chan = 0; di->bas.bst = mips_bus_space_generic; di->bas.regshft = 2; di->bas.rclk = 330000000UL/2; /* IPbus clock */ di->baudrate = 115200; di->databits = 8; di->stopbits = 1; di->parity = UART_PARITY_NONE; uart_bus_space_io = 0; uart_bus_space_mem = mips_bus_space_generic; di->bas.bsh = MIPS_PHYS_TO_KSEG1(maddr); return (0); } |