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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 | #ifdef CONFIG_Z8530 |
43 | #ifdef CONFIG_Z8530 |
44 | #include <genarch/kbd/z8530.h> |
44 | #include <genarch/kbd/z8530.h> |
45 | #endif |
45 | #endif |
46 | #ifdef CONFIG_NS16550 |
46 | #ifdef CONFIG_NS16550 |
47 | #include <genarch/kbd/ns16550.h> |
47 | #include <genarch/kbd/ns16550.h> |
48 | #endif |
48 | #endif |
49 | 49 | ||
50 | #include <console/chardev.h> |
50 | #include <console/chardev.h> |
51 | #include <console/console.h> |
51 | #include <console/console.h> |
52 | #include <arch/asm.h> |
52 | #include <arch/asm.h> |
53 | #include <arch/register.h> |
53 | #include <arch/register.h> |
54 | #include <proc/thread.h> |
54 | #include <proc/thread.h> |
55 | #include <arch/mm/tlb.h> |
55 | #include <arch/mm/tlb.h> |
56 | #include <genarch/ofw/ofw_tree.h> |
56 | #include <genarch/ofw/ofw_tree.h> |
57 | #include <arch.h> |
57 | #include <arch.h> |
58 | #include <panic.h> |
58 | #include <panic.h> |
59 | #include <func.h> |
59 | #include <func.h> |
60 | #include <print.h> |
60 | #include <print.h> |
61 | 61 | ||
62 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
62 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
63 | 63 | ||
64 | /** |
64 | /** |
65 | * Initialize kernel console to use framebuffer and keyboard directly. |
65 | * Initialize kernel console to use framebuffer and keyboard directly. |
66 | * Called on UltraSPARC machines with standard keyboard and framebuffer. |
66 | * Called on UltraSPARC machines with standard keyboard and framebuffer. |
67 | * |
67 | * |
68 | * @param aliases the "/aliases" OBP node |
68 | * @param aliases the "/aliases" OBP node |
69 | */ |
69 | */ |
70 | static void standard_console_init(ofw_tree_node_t *aliases) |
70 | static void standard_console_init(ofw_tree_node_t *aliases) |
71 | { |
71 | { |
72 | #ifdef CONFIG_FB |
72 | #ifdef CONFIG_FB |
73 | stdin = NULL; |
73 | stdin = NULL; |
74 | 74 | ||
75 | ofw_tree_property_t *prop; |
75 | ofw_tree_property_t *prop; |
76 | ofw_tree_node_t *screen; |
76 | ofw_tree_node_t *screen; |
77 | ofw_tree_node_t *keyboard; |
77 | ofw_tree_node_t *keyboard; |
78 | 78 | ||
79 | prop = ofw_tree_getprop(aliases, "screen"); |
79 | prop = ofw_tree_getprop(aliases, "screen"); |
80 | if (!prop) |
80 | if (!prop) |
81 | panic("Cannot find property 'screen'."); |
81 | panic("Cannot find property 'screen'."); |
82 | if (!prop->value) |
82 | if (!prop->value) |
83 | panic("Cannot find screen alias."); |
83 | panic("Cannot find screen alias."); |
84 | screen = ofw_tree_lookup(prop->value); |
84 | screen = ofw_tree_lookup(prop->value); |
85 | if (!screen) |
85 | if (!screen) |
86 | panic("Cannot find %s.", prop->value); |
86 | panic("Cannot find %s.", prop->value); |
87 | 87 | ||
88 | scr_init(screen); |
88 | scr_init(screen); |
89 | 89 | ||
90 | prop = ofw_tree_getprop(aliases, "keyboard"); |
90 | prop = ofw_tree_getprop(aliases, "keyboard"); |
91 | if (!prop) |
91 | if (!prop) |
92 | panic("Cannot find property 'keyboard'."); |
92 | panic("Cannot find property 'keyboard'."); |
93 | if (!prop->value) |
93 | if (!prop->value) |
94 | panic("Cannot find keyboard alias."); |
94 | panic("Cannot find keyboard alias."); |
95 | keyboard = ofw_tree_lookup(prop->value); |
95 | keyboard = ofw_tree_lookup(prop->value); |
96 | if (!keyboard) |
96 | if (!keyboard) |
97 | panic("Cannot find %s.", prop->value); |
97 | panic("Cannot find %s.", prop->value); |
98 | 98 | ||
99 | kbd_init(keyboard); |
99 | kbd_init(keyboard); |
100 | #else |
100 | #else |
101 | panic("Standard console requires FB, " |
101 | panic("Standard console requires FB, " |
102 | "but the kernel is not compiled with FB support."); |
102 | "but the kernel is not compiled with FB support."); |
103 | #endif |
103 | #endif |
104 | } |
104 | } |
105 | 105 | ||
106 | /** Initilize I/O on the Serengeti machine. */ |
106 | /** Initilize I/O on the Serengeti machine. */ |
107 | static void serengeti_init(void) |
107 | static void serengeti_init(void) |
108 | { |
108 | { |
109 | sgcn_init(); |
109 | sgcn_init(); |
110 | } |
110 | } |
111 | 111 | ||
112 | /** |
112 | /** |
113 | * Initialize input/output. Auto-detects the type of machine |
113 | * Initialize input/output. Auto-detects the type of machine |
114 | * and calls the appropriate I/O init routine. |
114 | * and calls the appropriate I/O init routine. |
115 | */ |
115 | */ |
116 | void standalone_sparc64_console_init(void) |
116 | void standalone_sparc64_console_init(void) |
117 | { |
117 | { |
118 | ofw_tree_node_t *aliases; |
118 | ofw_tree_node_t *aliases; |
119 | ofw_tree_property_t *prop; |
119 | ofw_tree_property_t *prop; |
120 | 120 | ||
121 | aliases = ofw_tree_lookup("/aliases"); |
121 | aliases = ofw_tree_lookup("/aliases"); |
122 | if (!aliases) |
122 | if (!aliases) |
123 | panic("Cannot find '/aliases'."); |
123 | panic("Cannot find '/aliases'."); |
124 | 124 | ||
125 | /* "def-cn" = "default console" */ |
125 | /* "def-cn" = "default console" */ |
126 | prop = ofw_tree_getprop(aliases, "def-cn"); |
126 | prop = ofw_tree_getprop(aliases, "def-cn"); |
127 | 127 | ||
128 | if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) { |
128 | if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) { |
129 | standard_console_init(aliases); |
129 | standard_console_init(aliases); |
130 | } else { |
130 | } else { |
131 | serengeti_init(); |
131 | serengeti_init(); |
132 | } |
132 | } |
133 | } |
133 | } |
134 | 134 | ||
135 | 135 | ||
136 | /** Kernel thread for polling keyboard. |
136 | /** Kernel thread for polling keyboard. |
137 | * |
137 | * |
138 | * @param arg Ignored. |
138 | * @param arg Ignored. |
139 | */ |
139 | */ |
140 | void kkbdpoll(void *arg) |
140 | void kkbdpoll(void *arg) |
141 | { |
141 | { |
142 | thread_detach(THREAD); |
142 | thread_detach(THREAD); |
143 | 143 | ||
144 | #ifdef CONFIG_Z8530 |
- | |
145 | if (kbd_type == KBD_Z8530) { |
144 | if (kbd_type != KBD_SGCN) |
146 | /* |
- | |
147 | * The z8530 driver is interrupt-driven. |
- | |
148 | */ |
- | |
149 | return; |
145 | return; |
150 | } |
- | |
151 | #endif |
- | |
152 | 146 | ||
153 | #ifdef CONFIG_NS16550 |
- | |
154 | #ifdef CONFIG_NS16550_INTERRUPT_DRIVEN |
- | |
155 | if (kbd_type == KBD_NS16550) { |
- | |
156 | /* |
- | |
157 | * The ns16550 driver is interrupt-driven. |
- | |
158 | */ |
- | |
159 | return; |
- | |
160 | } |
- | |
161 | #endif |
- | |
162 | #endif |
- | |
163 | while (1) { |
147 | while (1) { |
164 | #ifdef CONFIG_NS16550 |
- | |
165 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
- | |
166 | if (kbd_type == KBD_NS16550) |
- | |
167 | ns16550_poll(); |
- | |
168 | #endif |
- | |
169 | #endif |
- | |
170 | #ifdef CONFIG_SGCN |
148 | #ifdef CONFIG_SGCN |
171 | if (kbd_type == KBD_SGCN) |
149 | if (kbd_type == KBD_SGCN) |
172 | sgcn_poll(); |
150 | sgcn_poll(); |
173 | #endif |
151 | #endif |
174 | thread_usleep(KEYBOARD_POLL_PAUSE); |
152 | thread_usleep(KEYBOARD_POLL_PAUSE); |
175 | } |
153 | } |
176 | } |
154 | } |
177 | 155 | ||
178 | /** Acquire console back for kernel |
156 | /** Acquire console back for kernel |
179 | * |
157 | * |
180 | */ |
158 | */ |
181 | void arch_grab_console(void) |
159 | void arch_grab_console(void) |
182 | { |
160 | { |
183 | #ifdef CONFIG_FB |
161 | #ifdef CONFIG_FB |
184 | scr_redraw(); |
162 | scr_redraw(); |
185 | #endif |
163 | #endif |
186 | switch (kbd_type) { |
164 | switch (kbd_type) { |
187 | #ifdef CONFIG_Z8530 |
165 | #ifdef CONFIG_Z8530 |
188 | case KBD_Z8530: |
166 | case KBD_Z8530: |
189 | z8530_grab(); |
167 | z8530_grab(); |
190 | break; |
168 | break; |
191 | #endif |
169 | #endif |
192 | #ifdef CONFIG_NS16550 |
170 | #ifdef CONFIG_NS16550 |
193 | case KBD_NS16550: |
171 | case KBD_NS16550: |
194 | ns16550_grab(); |
172 | ns16550_grab(); |
195 | break; |
173 | break; |
196 | #endif |
174 | #endif |
197 | #ifdef CONFIG_SGCN |
175 | #ifdef CONFIG_SGCN |
198 | case KBD_SGCN: |
176 | case KBD_SGCN: |
199 | sgcn_grab(); |
177 | sgcn_grab(); |
200 | break; |
178 | break; |
201 | #endif |
179 | #endif |
202 | default: |
180 | default: |
203 | break; |
181 | break; |
204 | } |
182 | } |
205 | } |
183 | } |
206 | 184 | ||
207 | /** Return console to userspace |
185 | /** Return console to userspace |
208 | * |
186 | * |
209 | */ |
187 | */ |
210 | void arch_release_console(void) |
188 | void arch_release_console(void) |
211 | { |
189 | { |
212 | switch (kbd_type) { |
190 | switch (kbd_type) { |
213 | #ifdef CONFIG_Z8530 |
191 | #ifdef CONFIG_Z8530 |
214 | case KBD_Z8530: |
192 | case KBD_Z8530: |
215 | z8530_release(); |
193 | z8530_release(); |
216 | break; |
194 | break; |
217 | #endif |
195 | #endif |
218 | #ifdef CONFIG_NS16550 |
196 | #ifdef CONFIG_NS16550 |
219 | case KBD_NS16550: |
197 | case KBD_NS16550: |
220 | ns16550_release(); |
198 | ns16550_release(); |
221 | break; |
199 | break; |
222 | #endif |
200 | #endif |
223 | #ifdef CONFIG_SGCN |
201 | #ifdef CONFIG_SGCN |
224 | case KBD_SGCN: |
202 | case KBD_SGCN: |
225 | sgcn_release(); |
203 | sgcn_release(); |
226 | break; |
204 | break; |
227 | #endif |
205 | #endif |
228 | default: |
206 | default: |
229 | break; |
207 | break; |
230 | } |
208 | } |
231 | } |
209 | } |
232 | 210 | ||
233 | /** @} |
211 | /** @} |
234 | */ |
212 | */ |
235 | 213 |