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  1. /*
  2.  * Copyright (c) 2009 Martin Decky
  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.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - 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.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup genarch
  30.  * @{
  31.  */
  32. /**
  33.  * @file
  34.  * @brief Dummy serial line output.
  35.  */
  36.  
  37.  
  38. #include <genarch/drivers/dsrln/dsrlnout.h>
  39. #include <console/chardev.h>
  40. #include <arch/asm.h>
  41. #include <console/console.h>
  42. #include <sysinfo/sysinfo.h>
  43. #include <string.h>
  44.  
  45. static ioport8_t *dsrlnout_base;
  46.  
  47. static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const wchar_t ch, bool silent)
  48. {
  49.     if (!silent) {
  50.         if (ascii_check(ch))
  51.             pio_write_8(dsrlnout_base, ch);
  52.         else
  53.             pio_write_8(dsrlnout_base, U_SPECIAL);
  54.     }
  55. }
  56.  
  57. static outdev_t dsrlnout_console;
  58. static outdev_operations_t dsrlnout_ops = {
  59.     .write = dsrlnout_putchar
  60. };
  61.  
  62. void dsrlnout_init(ioport8_t *base)
  63. {
  64.     /* Initialize the software structure. */
  65.     dsrlnout_base = base;
  66.    
  67.     outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops);
  68.     stdout = &dsrlnout_console;
  69.    
  70.     sysinfo_set_item_val("fb", NULL, true);
  71.     sysinfo_set_item_val("fb.kind", NULL, 3);
  72.     sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base));
  73. }
  74.  
  75. /** @}
  76.  */
  77.