FreeBSD/Linux Kernel Cross Reference
sys/arm/s3c2xx0/uart_cpu_s3c2410.c

     /*
      * Copyright (c) 2003 Marcel Moolenaar
      * Copyright (c) 2007 Andrew Turner
      * 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 ``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 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.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/9.0/sys/arm/s3c2xx0/uart_cpu_s3c2410.c 205354 2010-03-20 03:39:35Z imp $");
    
    #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>
    
    #include <arm/s3c2xx0/s3c2xx0var.h>
    
    bus_space_tag_t uart_bus_space_io;
    bus_space_tag_t uart_bus_space_mem;
    
    extern struct uart_ops uart_s3c2410_ops;
    
    vm_offset_t s3c2410_uart_vaddr;
    unsigned int s3c2410_pclk;
    
    extern struct uart_class uart_s3c2410_class;
    
    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)
    {
            if (devtype != UART_DEV_CONSOLE)
                    return (ENXIO);
    
            di->ops = uart_getops(&uart_s3c2410_class);
            di->bas.chan = 0;
            di->bas.bst = &s3c2xx0_bs_tag;
            di->bas.bsh = s3c2410_uart_vaddr;
            di->bas.regshft = 0;
            di->bas.rclk = s3c2410_pclk;
            di->baudrate = 115200;
            di->databits = 8;
            di->stopbits = 1;
            di->parity = UART_PARITY_NONE;
            uart_bus_space_io = &s3c2xx0_bs_tag;
            uart_bus_space_mem = NULL;
            
            return (0);
    }

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