The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/sa11x0/uart_cpu_sa1110.c

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    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: releng/6.1/sys/arm/sa11x0/uart_cpu_sa1110.c 139735 2005-01-05 21:58:49Z imp $");
   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/sa11x0/sa11x0_var.h>
   40 
   41 bus_space_tag_t uart_bus_space_io;
   42 bus_space_tag_t uart_bus_space_mem;
   43 
   44 extern struct uart_ops uart_sa1110_ops;
   45 
   46 int
   47 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
   48 {
   49         return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
   50 }
   51 
   52 extern int got_mmu;
   53 
   54 int
   55 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
   56 {
   57         di->ops = uart_sa1110_ops;
   58         di->bas.chan = 0;
   59         di->bas.bst = &sa11x0_bs_tag;
   60         di->bas.bsh = 0x80010000;
   61         di->bas.regshft = 0;
   62         di->bas.rclk = 0;
   63         di->baudrate = 9600;
   64         di->databits = 8;
   65         di->stopbits = 1;
   66         di->parity = UART_PARITY_NONE;
   67         uart_bus_space_io = &sa11x0_bs_tag;
   68         uart_bus_space_mem = NULL;
   69         
   70         return (0);
   71 }

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