1/*- 2 * Copyright (c) 2006 Raza Microelectronics 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/11/sys/mips/rmi/uart_bus_xlr_iodi.c 340145 2018-11-04 23:28:56Z mmacy $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> 37 38#include <machine/bus.h> 39#include <sys/rman.h> 40#include <machine/resource.h> 41#include <mips/rmi/iomap.h> 42#include <dev/uart/uart.h> 43#include <dev/uart/uart_bus.h> 44#include <dev/uart/uart_cpu.h> 45 46static int uart_iodi_probe(device_t dev); 47 48static device_method_t uart_iodi_methods[] = { 49 /* Device interface */ 50 DEVMETHOD(device_probe, uart_iodi_probe), 51 DEVMETHOD(device_attach, uart_bus_attach), 52 DEVMETHOD(device_detach, uart_bus_detach), 53 {0, 0} 54}; 55 56static driver_t uart_iodi_driver = { 57 uart_driver_name, 58 uart_iodi_methods, 59 sizeof(struct uart_softc), 60}; 61 62 63extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs; 64static int 65uart_iodi_probe(device_t dev) 66{ 67 struct uart_softc *sc; 68 sc = device_get_softc(dev); 69 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs); 70 sc->sc_class = &uart_ns8250_class; 71 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas)); 72 sc->sc_sysdev->bas.bst = rmi_bus_space; 73 sc->sc_sysdev->bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR); 74 sc->sc_bas.bst = rmi_bus_space; 75 sc->sc_bas.bsh = MIPS_PHYS_TO_KSEG1(XLR_UART0ADDR); 76 /* regshft = 2, rclk = 66000000, rid = 0, chan = 0 */ 77 return (uart_bus_probe(dev, 2, 0, 66000000, 0, 0, 0)); 78} 79 80DRIVER_MODULE(uart, iodi, uart_iodi_driver, uart_devclass, 0, 0); 81