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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> |
|
- | 42 | ||
41 | #ifdef CONFIG_Z8530 |
43 | #ifdef CONFIG_Z8530 |
42 | #include <genarch/kbd/z8530.h> |
44 | #include <genarch/kbd/z8530.h> |
43 | #endif |
45 | #endif |
44 | #ifdef CONFIG_NS16550 |
46 | #ifdef CONFIG_NS16550 |
45 | #include <genarch/kbd/ns16550.h> |
47 | #include <genarch/kbd/ns16550.h> |
46 | #endif |
48 | #endif |
47 | 49 | ||
48 | #include <console/chardev.h> |
50 | #include <console/chardev.h> |
49 | #include <console/console.h> |
51 | #include <console/console.h> |
50 | #include <arch/asm.h> |
52 | #include <arch/asm.h> |
51 | #include <arch/register.h> |
53 | #include <arch/register.h> |
52 | #include <proc/thread.h> |
54 | #include <proc/thread.h> |
53 | #include <arch/mm/tlb.h> |
55 | #include <arch/mm/tlb.h> |
54 | #include <genarch/ofw/ofw_tree.h> |
56 | #include <genarch/ofw/ofw_tree.h> |
55 | #include <arch.h> |
57 | #include <arch.h> |
56 | #include <panic.h> |
58 | #include <panic.h> |
- | 59 | #include <func.h> |
|
57 | #include <print.h> |
60 | #include <print.h> |
58 | 61 | ||
59 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
62 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
60 | 63 | ||
- | 64 | /** |
|
61 | /** 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. |
|
- | 67 | * |
|
- | 68 | * @param aliases the "/aliases" OBP node |
|
- | 69 | */ |
|
62 | void standalone_sparc64_console_init(void) |
70 | static void standard_console_init(ofw_tree_node_t *aliases) |
63 | { |
71 | { |
64 | stdin = NULL; |
72 | stdin = NULL; |
65 | 73 | ||
66 | ofw_tree_node_t *aliases; |
- | |
67 | ofw_tree_property_t *prop; |
74 | ofw_tree_property_t *prop; |
68 | ofw_tree_node_t *screen; |
75 | ofw_tree_node_t *screen; |
69 | ofw_tree_node_t *keyboard; |
76 | ofw_tree_node_t *keyboard; |
70 | 77 | ||
71 | aliases = ofw_tree_lookup("/aliases"); |
- | |
72 | if (!aliases) |
- | |
73 | panic("Can't find /aliases.\n"); |
- | |
74 | - | ||
75 | prop = ofw_tree_getprop(aliases, "screen"); |
78 | prop = ofw_tree_getprop(aliases, "screen"); |
76 | if (!prop) |
79 | if (!prop) |
77 | panic("Can't find property \"screen\".\n"); |
80 | panic("Can't find property \"screen\".\n"); |
78 | if (!prop->value) |
81 | if (!prop->value) |
79 | panic("Can't find screen alias.\n"); |
82 | panic("Can't find screen alias.\n"); |
80 | screen = ofw_tree_lookup(prop->value); |
83 | screen = ofw_tree_lookup(prop->value); |
81 | if (!screen) |
84 | if (!screen) |
82 | panic("Can't find %s\n", prop->value); |
85 | panic("Can't find %s\n", prop->value); |
83 | 86 | ||
84 | scr_init(screen); |
87 | scr_init(screen); |
85 | 88 | ||
86 | prop = ofw_tree_getprop(aliases, "keyboard"); |
89 | prop = ofw_tree_getprop(aliases, "keyboard"); |
87 | if (!prop) |
90 | if (!prop) |
88 | panic("Can't find property \"keyboard\".\n"); |
91 | panic("Can't find property \"keyboard\".\n"); |
89 | if (!prop->value) |
92 | if (!prop->value) |
90 | panic("Can't find keyboard alias.\n"); |
93 | panic("Can't find keyboard alias.\n"); |
91 | keyboard = ofw_tree_lookup(prop->value); |
94 | keyboard = ofw_tree_lookup(prop->value); |
92 | if (!keyboard) |
95 | if (!keyboard) |
93 | panic("Can't find %s\n", prop->value); |
96 | panic("Can't find %s\n", prop->value); |
94 | 97 | ||
95 | kbd_init(keyboard); |
98 | kbd_init(keyboard); |
96 | } |
99 | } |
97 | 100 | ||
- | 101 | /** Initilize I/O on the Serengeti machine. */ |
|
- | 102 | static void serengeti_init(void) |
|
- | 103 | { |
|
- | 104 | sgcn_init(); |
|
- | 105 | } |
|
- | 106 | ||
- | 107 | /** |
|
- | 108 | * Initialize input/output. Auto-detects the type of machine |
|
- | 109 | * and calls the appropriate I/O init routine. |
|
- | 110 | */ |
|
- | 111 | void standalone_sparc64_console_init(void) |
|
- | 112 | { |
|
- | 113 | ofw_tree_node_t *aliases; |
|
- | 114 | ofw_tree_property_t *prop; |
|
- | 115 | ||
- | 116 | aliases = ofw_tree_lookup("/aliases"); |
|
- | 117 | if (!aliases) |
|
- | 118 | panic("Can't find /aliases.\n"); |
|
- | 119 | ||
- | 120 | /* "def-cn" = "default console" */ |
|
- | 121 | prop = ofw_tree_getprop(aliases, "def-cn"); |
|
- | 122 | ||
- | 123 | if ((!prop) || (!prop->value) || (strcmp(prop->value, "/sgcn") != 0)) { |
|
- | 124 | standard_console_init(aliases); |
|
- | 125 | } else { |
|
- | 126 | serengeti_init(); |
|
- | 127 | } |
|
- | 128 | } |
|
- | 129 | ||
- | 130 | ||
98 | /** Kernel thread for polling keyboard. |
131 | /** Kernel thread for polling keyboard. |
99 | * |
132 | * |
100 | * @param arg Ignored. |
133 | * @param arg Ignored. |
101 | */ |
134 | */ |
102 | void kkbdpoll(void *arg) |
135 | void kkbdpoll(void *arg) |
103 | { |
136 | { |
104 | thread_detach(THREAD); |
137 | thread_detach(THREAD); |
105 | 138 | ||
106 | #ifdef CONFIG_Z8530 |
139 | #ifdef CONFIG_Z8530 |
107 | if (kbd_type == KBD_Z8530) { |
140 | if (kbd_type == KBD_Z8530) { |
108 | /* |
141 | /* |
109 | * The z8530 driver is interrupt-driven. |
142 | * The z8530 driver is interrupt-driven. |
110 | */ |
143 | */ |
111 | return; |
144 | return; |
112 | } |
145 | } |
113 | #endif |
146 | #endif |
114 | 147 | ||
- | 148 | #ifdef CONFIG_NS16550 |
|
- | 149 | #ifdef CONFIG_NS16550_INTERRUPT_DRIVEN |
|
- | 150 | if (kbd_type == KBD_NS16550) { |
|
- | 151 | /* |
|
- | 152 | * The ns16550 driver is interrupt-driven. |
|
- | 153 | */ |
|
- | 154 | return; |
|
- | 155 | } |
|
- | 156 | #endif |
|
- | 157 | #endif |
|
115 | while (1) { |
158 | while (1) { |
116 | #ifdef CONFIG_NS16550 |
159 | #ifdef CONFIG_NS16550 |
- | 160 | #ifndef CONFIG_NS16550_INTERRUPT_DRIVEN |
|
117 | if (kbd_type == KBD_NS16550) |
161 | if (kbd_type == KBD_NS16550) |
118 | ns16550_poll(); |
162 | ns16550_poll(); |
119 | #endif |
163 | #endif |
- | 164 | #endif |
|
- | 165 | #ifdef CONFIG_SGCN |
|
- | 166 | if (kbd_type == KBD_SGCN) |
|
- | 167 | sgcn_poll(); |
|
- | 168 | #endif |
|
120 | thread_usleep(KEYBOARD_POLL_PAUSE); |
169 | thread_usleep(KEYBOARD_POLL_PAUSE); |
121 | } |
170 | } |
122 | } |
171 | } |
123 | 172 | ||
124 | /** Acquire console back for kernel |
173 | /** Acquire console back for kernel |
125 | * |
174 | * |
126 | */ |
175 | */ |
127 | void arch_grab_console(void) |
176 | void arch_grab_console(void) |
128 | { |
177 | { |
129 | switch (kbd_type) { |
178 | switch (kbd_type) { |
130 | #ifdef CONFIG_Z8530 |
179 | #ifdef CONFIG_Z8530 |
131 | case KBD_Z8530: |
180 | case KBD_Z8530: |
132 | z8530_grab(); |
181 | z8530_grab(); |
133 | break; |
182 | break; |
134 | #endif |
183 | #endif |
135 | #ifdef CONFIG_NS16550 |
184 | #ifdef CONFIG_NS16550 |
136 | case KBD_NS16550: |
185 | case KBD_NS16550: |
137 | ns16550_grab(); |
186 | ns16550_grab(); |
138 | break; |
187 | break; |
139 | #endif |
188 | #endif |
- | 189 | #ifdef CONFIG_SGCN |
|
- | 190 | case KBD_SGCN: |
|
- | 191 | sgcn_grab(); |
|
- | 192 | break; |
|
- | 193 | #endif |
|
140 | default: |
194 | default: |
141 | break; |
195 | break; |
142 | } |
196 | } |
143 | } |
197 | } |
144 | 198 | ||
145 | /** Return console to userspace |
199 | /** Return console to userspace |
146 | * |
200 | * |
147 | */ |
201 | */ |
148 | void arch_release_console(void) |
202 | void arch_release_console(void) |
149 | { |
203 | { |
150 | switch (kbd_type) { |
204 | switch (kbd_type) { |
151 | #ifdef CONFIG_Z8530 |
205 | #ifdef CONFIG_Z8530 |
152 | case KBD_Z8530: |
206 | case KBD_Z8530: |
153 | z8530_release(); |
207 | z8530_release(); |
154 | break; |
208 | break; |
155 | #endif |
209 | #endif |
156 | #ifdef CONFIG_NS16550 |
210 | #ifdef CONFIG_NS16550 |
157 | case KBD_NS16550: |
211 | case KBD_NS16550: |
158 | ns16550_release(); |
212 | ns16550_release(); |
159 | break; |
213 | break; |
- | 214 | #endif |
|
- | 215 | #ifdef CONFIG_SGCN |
|
- | 216 | case KBD_SGCN: |
|
- | 217 | sgcn_release(); |
|
- | 218 | break; |
|
160 | #endif |
219 | #endif |
161 | default: |
220 | default: |
162 | break; |
221 | break; |
163 | } |
222 | } |
164 | } |
223 | } |
165 | 224 | ||
166 | /** @} |
225 | /** @} |
167 | */ |
226 | */ |
168 | 227 |