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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4130 | rimsky | 1 | /* |
| 2 | * Copyright (c) 2005 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | /** @addtogroup sparc64 |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 35 | #include <arch/console.h> |
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| 36 | #include <arch/types.h> |
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| 37 | |||
| 38 | #include <arch/drivers/scr.h> |
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| 39 | #include <arch/drivers/kbd.h> |
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| 40 | |||
| 41 | #include <arch/drivers/sgcn.h> |
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| 42 | |||
| 43 | #if defined (SUN4U) |
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| 44 | #ifdef CONFIG_Z8530 |
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| 45 | #include <genarch/kbd/z8530.h> |
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| 46 | #endif |
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| 47 | #ifdef CONFIG_NS16550 |
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| 48 | #include <genarch/kbd/ns16550.h> |
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| 49 | #endif |
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| 50 | #elif defined (SUN4V) |
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| 51 | #include <arch/drivers/niagara.h> |
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| 52 | #endif |
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| 53 | |||
| 54 | #include <console/chardev.h> |
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| 55 | #include <console/console.h> |
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| 56 | #include <arch/asm.h> |
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| 57 | #include <arch/register.h> |
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| 58 | #include <proc/thread.h> |
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| 59 | #include <arch/mm/tlb.h> |
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| 60 | #include <genarch/ofw/ofw_tree.h> |
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| 61 | #include <arch.h> |
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| 62 | #include <panic.h> |
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| 63 | #include <func.h> |
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| 64 | #include <print.h> |
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| 65 | |||
| 66 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
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| 67 | |||
| 68 | /** |
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| 69 | * Initialize kernel console to use framebuffer and keyboard directly. |
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| 70 | * Called on UltraSPARC machines with standard keyboard and framebuffer. |
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| 71 | * |
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| 72 | * @param aliases the "/aliases" OBP node |
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| 73 | */ |
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| 74 | static void standard_console_init(ofw_tree_node_t *aliases) |
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| 75 | { |
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| 76 | stdin = NULL; |
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| 77 | |||
| 78 | ofw_tree_property_t *prop; |
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| 79 | ofw_tree_node_t *screen; |
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| 80 | ofw_tree_node_t *keyboard; |
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| 81 | |||
| 82 | prop = ofw_tree_getprop(aliases, "screen"); |
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| 83 | if (!prop) |
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| 84 | panic("Can't find property \"screen\".\n"); |
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| 85 | if (!prop->value) |
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| 86 | panic("Can't find screen alias.\n"); |
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| 87 | screen = ofw_tree_lookup(prop->value); |
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| 88 | if (!screen) |
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| 89 | panic("Can't find %s\n", prop->value); |
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| 90 | |||
| 91 | scr_init(screen); |
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| 92 | |||
| 93 | prop = ofw_tree_getprop(aliases, "keyboard"); |
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| 94 | if (!prop) |
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| 95 | panic("Can't find property \"keyboard\".\n"); |
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| 96 | if (!prop->value) |
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| 97 | panic("Can't find keyboard alias.\n"); |
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| 98 | keyboard = ofw_tree_lookup(prop->value); |
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| 99 | if (!keyboard) |
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| 100 | panic("Can't find %s\n", prop->value); |
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| 101 | |||
| 102 | kbd_init(keyboard); |
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| 103 | } |
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| 104 | |||
| 105 | /** Initilize I/O on the Serengeti machine. */ |
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| 106 | static void serengeti_init(void) |
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| 107 | { |
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| 108 | sgcn_init(); |
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| 109 | } |
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| 110 | |||
| 111 | /** |
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| 112 | * Initialize input/output. Auto-detects the type of machine |
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| 113 | * and calls the appropriate I/O init routine. |
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| 114 | */ |
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| 115 | void standalone_sparc64_console_init(void) |
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| 116 | { |
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| 117 | ofw_tree_node_t *aliases; |
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| 118 | ofw_tree_property_t *prop; |
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| 119 | |||
| 120 | aliases = ofw_tree_lookup("/aliases"); |
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| 121 | if (!aliases) |
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| 122 | panic("Can't find /aliases.\n"); |
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| 123 | |||
| 124 | /* "def-cn" = "default console" */ |
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| 125 | prop = ofw_tree_getprop(aliases, "def-cn"); |
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| 126 | |||
| 127 | if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) { |
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| 128 | standard_console_init(aliases); |
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| 129 | } else { |
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| 130 | serengeti_init(); |
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| 131 | } |
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| 132 | } |
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| 133 | |||
| 134 | /** Acquire console back for kernel |
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| 135 | * |
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| 136 | */ |
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| 137 | void arch_grab_console(void) |
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| 138 | { |
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| 139 | scr_redraw(); |
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| 140 | switch (kbd_type) { |
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| 141 | #ifdef CONFIG_Z8530 |
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| 142 | case KBD_Z8530: |
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| 143 | z8530_grab(); |
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| 144 | break; |
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| 145 | #endif |
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| 146 | #ifdef CONFIG_NS16550 |
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| 147 | case KBD_NS16550: |
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| 148 | ns16550_grab(); |
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| 149 | break; |
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| 150 | #endif |
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| 151 | #ifdef CONFIG_SGCN |
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| 152 | case KBD_SGCN: |
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| 153 | sgcn_grab(); |
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| 154 | break; |
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| 155 | #endif |
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| 156 | default: |
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| 157 | break; |
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| 158 | } |
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| 159 | } |
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| 160 | |||
| 161 | /** Return console to userspace |
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| 162 | * |
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| 163 | */ |
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| 164 | void arch_release_console(void) |
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| 165 | { |
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| 166 | switch (kbd_type) { |
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| 167 | #ifdef CONFIG_Z8530 |
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| 168 | case KBD_Z8530: |
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| 169 | z8530_release(); |
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| 170 | break; |
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| 171 | #endif |
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| 172 | #ifdef CONFIG_NS16550 |
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| 173 | case KBD_NS16550: |
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| 174 | ns16550_release(); |
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| 175 | break; |
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| 176 | #endif |
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| 177 | #ifdef CONFIG_SGCN |
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| 178 | case KBD_SGCN: |
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| 179 | sgcn_release(); |
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| 180 | break; |
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| 181 | #endif |
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| 182 | default: |
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| 183 | break; |
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| 184 | } |
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| 185 | } |
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| 186 | |||
| 187 | /** @} |
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| 188 | */ |