Subversion Repositories HelenOS

Rev

Blame | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright (c) 2005 Jakub Jermar
  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 sparc64
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <arch/console.h>
  36. #include <arch/types.h>
  37.  
  38. #include <arch/drivers/scr.h>
  39. #include <arch/drivers/kbd.h>
  40.  
  41. #include <arch/drivers/sgcn.h>
  42.  
  43. #if defined (SUN4U)
  44.     #ifdef CONFIG_Z8530
  45.     #include <genarch/kbd/z8530.h>
  46.     #endif
  47.     #ifdef CONFIG_NS16550
  48.     #include <genarch/kbd/ns16550.h>
  49.     #endif
  50. #elif defined (SUN4V)
  51.     #include <arch/drivers/niagara.h>
  52. #endif
  53.  
  54. #include <console/chardev.h>
  55. #include <console/console.h>
  56. #include <arch/asm.h>
  57. #include <arch/register.h>
  58. #include <proc/thread.h>
  59. #include <arch/mm/tlb.h>
  60. #include <genarch/ofw/ofw_tree.h>
  61. #include <arch.h>
  62. #include <panic.h>
  63. #include <func.h>
  64. #include <print.h>
  65.  
  66. #define KEYBOARD_POLL_PAUSE 50000   /* 50ms */
  67.  
  68. /**
  69.  * Initialize kernel console to use framebuffer and keyboard directly.
  70.  * Called on UltraSPARC machines with standard keyboard and framebuffer.
  71.  *
  72.  * @param aliases   the "/aliases" OBP node
  73.  */
  74. static void standard_console_init(ofw_tree_node_t *aliases)
  75. {
  76.     stdin = NULL;
  77.  
  78.     ofw_tree_property_t *prop;
  79.     ofw_tree_node_t *screen;
  80.     ofw_tree_node_t *keyboard;
  81.    
  82.     prop = ofw_tree_getprop(aliases, "screen");
  83.     if (!prop)
  84.         panic("Can't find property \"screen\".\n");
  85.     if (!prop->value)
  86.         panic("Can't find screen alias.\n");
  87.     screen = ofw_tree_lookup(prop->value);
  88.     if (!screen)
  89.         panic("Can't find %s\n", prop->value);
  90.  
  91.     scr_init(screen);
  92.  
  93.     prop = ofw_tree_getprop(aliases, "keyboard");
  94.     if (!prop)
  95.         panic("Can't find property \"keyboard\".\n");
  96.     if (!prop->value)
  97.         panic("Can't find keyboard alias.\n");
  98.     keyboard = ofw_tree_lookup(prop->value);
  99.     if (!keyboard)
  100.         panic("Can't find %s\n", prop->value);
  101.  
  102.     kbd_init(keyboard);
  103. }
  104.  
  105. /** Initilize I/O on the Serengeti machine. */
  106. static void serengeti_init(void)
  107. {
  108.     sgcn_init();
  109. }
  110.  
  111. /**
  112.  * Initialize input/output. Auto-detects the type of machine
  113.  * and calls the appropriate I/O init routine.
  114.  */
  115. void standalone_sparc64_console_init(void)
  116. {
  117.     ofw_tree_node_t *aliases;
  118.     ofw_tree_property_t *prop;
  119.    
  120.     aliases = ofw_tree_lookup("/aliases");
  121.     if (!aliases)
  122.         panic("Can't find /aliases.\n");
  123.    
  124.     /* "def-cn" = "default console" */
  125.     prop = ofw_tree_getprop(aliases, "def-cn");
  126.    
  127.     if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) {
  128.         standard_console_init(aliases);
  129.     } else {
  130.         serengeti_init();
  131.     }
  132. }
  133.  
  134. /** Acquire console back for kernel
  135.  *
  136.  */
  137. void arch_grab_console(void)
  138. {
  139.     scr_redraw();
  140.     switch (kbd_type) {
  141. #ifdef CONFIG_Z8530
  142.     case KBD_Z8530:
  143.         z8530_grab();
  144.         break;
  145. #endif
  146. #ifdef CONFIG_NS16550
  147.     case KBD_NS16550:
  148.         ns16550_grab();
  149.         break;
  150. #endif
  151. #ifdef CONFIG_SGCN
  152.     case KBD_SGCN:
  153.         sgcn_grab();
  154.         break;
  155. #endif
  156.     default:
  157.         break;
  158.     }
  159. }
  160.  
  161. /** Return console to userspace
  162.  *
  163.  */
  164. void arch_release_console(void)
  165. {
  166.     switch (kbd_type) {
  167. #ifdef CONFIG_Z8530
  168.     case KBD_Z8530:
  169.         z8530_release();
  170.         break;
  171. #endif
  172. #ifdef CONFIG_NS16550
  173.     case KBD_NS16550:
  174.         ns16550_release();
  175.         break;
  176. #endif
  177. #ifdef CONFIG_SGCN
  178.     case KBD_SGCN:
  179.         sgcn_release();
  180.         break;
  181. #endif
  182.     default:
  183.         break;
  184.     }
  185. }
  186.  
  187. /** @}
  188.  */
  189.