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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/console.h> |
35 | #include <arch/console.h> |
36 | #include <arch/types.h> |
36 | #include <arch/types.h> |
37 | 37 | ||
38 | #include <arch/drivers/scr.h> |
38 | #include <arch/drivers/scr.h> |
39 | #include <arch/drivers/kbd.h> |
39 | #include <arch/drivers/kbd.h> |
40 | 40 | ||
41 | #include <arch/drivers/sgcn.h> |
41 | #include <arch/drivers/sgcn.h> |
42 | 42 | ||
43 | #if defined (SUN4U) |
43 | #if defined (SUN4U) |
44 | #ifdef CONFIG_Z8530 |
44 | #ifdef CONFIG_Z8530 |
45 | #include <genarch/kbd/z8530.h> |
45 | #include <genarch/kbd/z8530.h> |
46 | #endif |
46 | #endif |
47 | #ifdef CONFIG_NS16550 |
47 | #ifdef CONFIG_NS16550 |
48 | #include <genarch/kbd/ns16550.h> |
48 | #include <genarch/kbd/ns16550.h> |
49 | #endif |
49 | #endif |
50 | #elif defined (SUN4V) |
50 | #elif defined (SUN4V) |
51 | #include <arch/drivers/niagara.h> |
51 | #include <arch/drivers/niagara.h> |
52 | #endif |
52 | #endif |
53 | 53 | ||
54 | #include <console/chardev.h> |
54 | #include <console/chardev.h> |
55 | #include <console/console.h> |
55 | #include <console/console.h> |
56 | #include <arch/asm.h> |
56 | #include <arch/asm.h> |
57 | #include <arch/register.h> |
57 | #include <arch/register.h> |
58 | #include <proc/thread.h> |
58 | #include <proc/thread.h> |
59 | #include <arch/mm/tlb.h> |
59 | #include <arch/mm/tlb.h> |
60 | #include <genarch/ofw/ofw_tree.h> |
60 | #include <genarch/ofw/ofw_tree.h> |
61 | #include <arch.h> |
61 | #include <arch.h> |
62 | #include <panic.h> |
62 | #include <panic.h> |
63 | #include <func.h> |
63 | #include <func.h> |
64 | #include <print.h> |
64 | #include <print.h> |
65 | 65 | ||
66 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
66 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
67 | 67 | ||
68 | #if defined (SUN4U) |
- | |
69 | - | ||
70 | /** |
- | |
71 | * Initialize kernel console to use framebuffer and keyboard directly. |
- | |
72 | * Called on UltraSPARC machines with standard keyboard and framebuffer. |
- | |
73 | * |
- | |
74 | * @param aliases the "/aliases" OBP node |
- | |
75 | */ |
- | |
76 | static void standard_console_init(ofw_tree_node_t *aliases) |
- | |
77 | { |
- | |
78 | stdin = NULL; |
- | |
79 | - | ||
80 | ofw_tree_property_t *prop; |
- | |
81 | ofw_tree_node_t *screen; |
- | |
82 | ofw_tree_node_t *keyboard; |
- | |
83 | - | ||
84 | prop = ofw_tree_getprop(aliases, "screen"); |
- | |
85 | if (!prop) |
- | |
86 | panic("Can't find property \"screen\".\n"); |
- | |
87 | if (!prop->value) |
- | |
88 | panic("Can't find screen alias.\n"); |
- | |
89 | screen = ofw_tree_lookup(prop->value); |
- | |
90 | if (!screen) |
- | |
91 | panic("Can't find %s\n", prop->value); |
- | |
92 | - | ||
93 | scr_init(screen); |
- | |
94 | - | ||
95 | prop = ofw_tree_getprop(aliases, "keyboard"); |
- | |
96 | if (!prop) |
- | |
97 | panic("Can't find property \"keyboard\".\n"); |
- | |
98 | if (!prop->value) |
- | |
99 | panic("Can't find keyboard alias.\n"); |
- | |
100 | keyboard = ofw_tree_lookup(prop->value); |
- | |
101 | if (!keyboard) |
- | |
102 | panic("Can't find %s\n", prop->value); |
- | |
103 | - | ||
104 | kbd_init(keyboard); |
- | |
105 | } |
- | |
106 | - | ||
107 | /** Initilize I/O on the Serengeti machine. */ |
- | |
108 | static void serengeti_init(void) |
- | |
109 | { |
- | |
110 | sgcn_init(); |
- | |
111 | } |
- | |
112 | - | ||
113 | #endif |
- | |
114 | - | ||
115 | /** |
- | |
116 | * Initialize input/output. Auto-detects the type of machine |
- | |
117 | * and calls the appropriate I/O init routine. |
- | |
118 | */ |
- | |
119 | void standalone_sparc64_console_init(void) |
- | |
120 | { |
- | |
121 | #if defined (SUN4U) |
- | |
122 | ofw_tree_node_t *aliases; |
- | |
123 | ofw_tree_property_t *prop; |
- | |
124 | - | ||
125 | aliases = ofw_tree_lookup("/aliases"); |
- | |
126 | if (!aliases) |
- | |
127 | panic("Can't find /aliases.\n"); |
- | |
128 | - | ||
129 | /* "def-cn" = "default console" */ |
- | |
130 | prop = ofw_tree_getprop(aliases, "def-cn"); |
- | |
131 | - | ||
132 | if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) { |
- | |
133 | standard_console_init(aliases); |
- | |
134 | } else { |
- | |
135 | serengeti_init(); |
- | |
136 | } |
- | |
137 | #elif defined (SUN4V) |
- | |
138 | niagara_init(); |
- | |
139 | #endif |
- | |
140 | } |
- | |
141 | - | ||
142 | - | ||
143 | /** Kernel thread for polling keyboard. |
68 | /** Kernel thread for polling keyboard. |
144 | * |
69 | * |
145 | * @param arg Ignored. |
70 | * @param arg Ignored. |
146 | */ |
71 | */ |
147 | void kkbdpoll(void *arg) |
72 | void kkbdpoll(void *arg) |
148 | { |
73 | { |
149 | thread_detach(THREAD); |
74 | thread_detach(THREAD); |
150 | 75 | ||
151 | #ifdef CONFIG_Z8530 |
76 | #ifdef CONFIG_Z8530 |
152 | if (kbd_type == KBD_Z8530) { |
77 | if (kbd_type == KBD_Z8530) { |
153 | /* |
78 | /* |
154 | * The z8530 driver is interrupt-driven. |
79 | * The z8530 driver is interrupt-driven. |
155 | */ |
80 | */ |
156 | return; |
81 | return; |
157 | } |
82 | } |
158 | #endif |
83 | #endif |
159 | 84 | ||
160 | #ifdef CONFIG_NS16550 |
85 | #ifdef CONFIG_NS16550 |
161 | #ifdef CONFIG_NS16550_INTERRUPT_DRIVEN |
86 | #ifdef CONFIG_NS16550_INTERRUPT_DRIVEN |
162 | if (kbd_type == KBD_NS16550) { |
87 | if (kbd_type == KBD_NS16550) { |
163 | /* |
88 | /* |
164 | * The ns16550 driver is interrupt-driven. |
89 | * The ns16550 driver is interrupt-driven. |
165 | */ |
90 | */ |
166 | return; |
91 | return; |
167 | } |
92 | } |
168 | #endif |
93 | #endif |
169 | #endif |
94 | #endif |
170 | while (1) { |
95 | while (1) { |
171 | #ifdef CONFIG_NS16550 |
96 | #ifdef CONFIG_NS16550 |
172 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
97 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
173 | if (kbd_type == KBD_NS16550) |
98 | if (kbd_type == KBD_NS16550) |
174 | ns16550_poll(); |
99 | ns16550_poll(); |
175 | #endif |
100 | #endif |
176 | #endif |
101 | #endif |
177 | #ifdef CONFIG_SGCN |
102 | #ifdef CONFIG_SGCN |
178 | if (kbd_type == KBD_SGCN) |
103 | if (kbd_type == KBD_SGCN) |
179 | sgcn_poll(); |
104 | sgcn_poll(); |
180 | #endif |
105 | #endif |
181 | #ifdef SUN4V |
106 | #ifdef SUN4V |
182 | if (kbd_type == KBD_SUN4V) |
107 | if (kbd_type == KBD_SUN4V) |
183 | niagara_poll(); |
108 | niagara_poll(); |
184 | #endif |
109 | #endif |
185 | thread_usleep(KEYBOARD_POLL_PAUSE); |
110 | thread_usleep(KEYBOARD_POLL_PAUSE); |
186 | } |
111 | } |
187 | } |
112 | } |
188 | 113 | ||
189 | /** Acquire console back for kernel |
- | |
190 | * |
- | |
191 | */ |
- | |
192 | void arch_grab_console(void) |
- | |
193 | { |
- | |
194 | scr_redraw(); |
- | |
195 | switch (kbd_type) { |
- | |
196 | #ifdef CONFIG_Z8530 |
- | |
197 | case KBD_Z8530: |
- | |
198 | z8530_grab(); |
- | |
199 | break; |
- | |
200 | #endif |
- | |
201 | #ifdef CONFIG_NS16550 |
- | |
202 | case KBD_NS16550: |
- | |
203 | ns16550_grab(); |
- | |
204 | break; |
- | |
205 | #endif |
- | |
206 | #ifdef CONFIG_SGCN |
- | |
207 | case KBD_SGCN: |
- | |
208 | sgcn_grab(); |
- | |
209 | break; |
- | |
210 | #endif |
- | |
211 | #ifdef SUN4V |
- | |
212 | case KBD_SUN4V: |
- | |
213 | niagara_grab(); |
- | |
214 | break; |
- | |
215 | #endif |
- | |
216 | default: |
- | |
217 | break; |
- | |
218 | } |
- | |
219 | } |
- | |
220 | - | ||
221 | /** Return console to userspace |
- | |
222 | * |
- | |
223 | */ |
- | |
224 | void arch_release_console(void) |
- | |
225 | { |
- | |
226 | switch (kbd_type) { |
- | |
227 | #ifdef CONFIG_Z8530 |
- | |
228 | case KBD_Z8530: |
- | |
229 | z8530_release(); |
- | |
230 | break; |
- | |
231 | #endif |
- | |
232 | #ifdef CONFIG_NS16550 |
- | |
233 | case KBD_NS16550: |
- | |
234 | ns16550_release(); |
- | |
235 | break; |
- | |
236 | #endif |
- | |
237 | #ifdef CONFIG_SGCN |
- | |
238 | case KBD_SGCN: |
- | |
239 | sgcn_release(); |
- | |
240 | break; |
- | |
241 | #endif |
- | |
242 | #ifdef SUN4V |
- | |
243 | case KBD_SUN4V: |
- | |
244 | niagara_release(); |
- | |
245 | break; |
- | |
246 | #endif |
- | |
247 | default: |
- | |
248 | break; |
- | |
249 | } |
- | |
250 | } |
- | |
251 | 114 | ||
252 | /** @} |
115 | /** @} |
253 | */ |
116 | */ |
254 | 117 |