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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/arm/xscale/ixp425/uart_cpu_ixp425.c

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    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: stable/9/sys/arm/xscale/ixp425/uart_cpu_ixp425.c 170109 2007-05-29 18:10:42Z jhay $");
   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/xscale/ixp425/ixp425reg.h>
   40 #include <arm/xscale/ixp425/ixp425var.h>
   41 
   42 bus_space_tag_t uart_bus_space_io;
   43 bus_space_tag_t uart_bus_space_mem;
   44 
   45 int
   46 uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
   47 {
   48         return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
   49 }
   50 
   51 int
   52 uart_cpu_getdev(int devtype, struct uart_devinfo *di)
   53 {
   54         uint32_t i, ivar, vaddr;
   55 
   56         /*
   57          * Scan the hints. The IXP425 only have 2 serial ports, so only
   58          * scan them.
   59          */
   60         for (i = 0; i < 2; i++) {
   61                 if (resource_int_value("uart", i, "flags", &ivar))
   62                         continue;
   63                 if (devtype == UART_DEV_CONSOLE && !UART_FLAGS_CONSOLE(ivar))
   64                         continue;
   65                 if (devtype == UART_DEV_DBGPORT && !UART_FLAGS_DBGPORT(ivar))
   66                         continue;
   67                 /*
   68                  * We have a possible device. Make sure it's enabled and
   69                  * that we have an I/O port.
   70                  */
   71                 if (resource_int_value("uart", i, "disabled", &ivar) == 0 &&
   72                     ivar != 0)
   73                         continue;
   74                 if (resource_int_value("uart", i, "addr", &ivar) != 0 ||
   75                     ivar == 0)
   76                         continue;
   77                 /* Got it. Fill in the instance and return it. */
   78                 di->ops = uart_getops(&uart_ns8250_class);
   79                 di->bas.chan = 0;
   80                 di->bas.bst = &ixp425_a4x_bs_tag;
   81                 di->bas.regshft = 0;
   82                 di->bas.rclk = IXP425_UART_FREQ;
   83                 di->baudrate = 115200;
   84                 di->databits = 8;
   85                 di->stopbits = 1;
   86                 di->parity = UART_PARITY_NONE;
   87                 uart_bus_space_io = NULL;
   88                 uart_bus_space_mem = &ixp425_a4x_bs_tag;
   89 
   90                 getvbase(ivar, IXP425_REG_SIZE, &vaddr);
   91                 di->bas.bsh = vaddr;
   92                 return (0);
   93         }
   94 
   95         return (ENXIO);
   96 }

Cache object: b2612ca21090dc7528dbe7b1a7d37d43


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.