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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 <print.h> |
60 | #include <print.h> |
60 | 61 | ||
61 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
62 | #define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
62 | 63 | ||
- | 64 | /** |
|
63 | /** Initialize kernel console to use framebuffer and keyboard directly. */ |
65 | * Initialize kernel console to use framebuffer and keyboard directly. |
- | 66 | * Called on UltraSPARC64 machines with standard keyboard and framebuffer. |
|
- | 67 | * |
|
- | 68 | * @param aliases the "/aliases" OBP node |
|
- | 69 | */ |
|
64 | void standalone_sparc64_console_init(void) |
70 | static void standard_console_init(ofw_tree_node_t *aliases) |
65 | { |
71 | { |
66 | stdin = NULL; |
72 | stdin = NULL; |
67 | 73 | ||
68 | ofw_tree_node_t *aliases; |
- | |
69 | ofw_tree_property_t *prop; |
74 | ofw_tree_property_t *prop; |
70 | ofw_tree_node_t *screen; |
75 | ofw_tree_node_t *screen; |
71 | ofw_tree_node_t *keyboard; |
76 | ofw_tree_node_t *keyboard; |
72 | 77 | ||
73 | aliases = ofw_tree_lookup("/aliases"); |
- | |
74 | if (!aliases) |
- | |
75 | panic("Can't find /aliases.\n"); |
- | |
76 | - | ||
77 | prop = ofw_tree_getprop(aliases, "screen"); |
78 | prop = ofw_tree_getprop(aliases, "screen"); |
78 | if (!prop) |
79 | if (!prop) |
79 | panic("Can't find property \"screen\".\n"); |
80 | panic("Can't find property \"screen\".\n"); |
80 | if (!prop->value) |
81 | if (!prop->value) |
81 | panic("Can't find screen alias.\n"); |
82 | panic("Can't find screen alias.\n"); |
82 | screen = ofw_tree_lookup(prop->value); |
83 | screen = ofw_tree_lookup(prop->value); |
83 | if (!screen) |
84 | if (!screen) |
84 | panic("Can't find %s\n", prop->value); |
85 | panic("Can't find %s\n", prop->value); |
85 | 86 | ||
86 | scr_init(screen); |
87 | scr_init(screen); |
87 | 88 | ||
88 | prop = ofw_tree_getprop(aliases, "keyboard"); |
89 | prop = ofw_tree_getprop(aliases, "keyboard"); |
89 | if (!prop) |
90 | if (!prop) |
90 | panic("Can't find property \"keyboard\".\n"); |
91 | panic("Can't find property \"keyboard\".\n"); |
91 | if (!prop->value) |
92 | if (!prop->value) |
92 | panic("Can't find keyboard alias.\n"); |
93 | panic("Can't find keyboard alias.\n"); |
93 | keyboard = ofw_tree_lookup(prop->value); |
94 | keyboard = ofw_tree_lookup(prop->value); |
94 | if (!keyboard) |
95 | if (!keyboard) |
95 | panic("Can't find %s\n", prop->value); |
96 | panic("Can't find %s\n", prop->value); |
96 | 97 | ||
97 | kbd_init(keyboard); |
98 | kbd_init(keyboard); |
98 | } |
99 | } |
99 | 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 | ||
100 | /** Kernel thread for polling keyboard. |
131 | /** Kernel thread for polling keyboard. |
101 | * |
132 | * |
102 | * @param arg Ignored. |
133 | * @param arg Ignored. |
103 | */ |
134 | */ |
104 | void kkbdpoll(void *arg) |
135 | void kkbdpoll(void *arg) |
105 | { |
136 | { |
106 | thread_detach(THREAD); |
137 | thread_detach(THREAD); |
107 | 138 | ||
108 | #ifdef CONFIG_Z8530 |
139 | #ifdef CONFIG_Z8530 |
109 | if (kbd_type == KBD_Z8530) { |
140 | if (kbd_type == KBD_Z8530) { |
110 | /* |
141 | /* |
111 | * The z8530 driver is interrupt-driven. |
142 | * The z8530 driver is interrupt-driven. |
112 | */ |
143 | */ |
113 | return; |
144 | return; |
114 | } |
145 | } |
115 | #endif |
146 | #endif |
116 | 147 | ||
117 | while (1) { |
148 | while (1) { |
118 | #ifdef CONFIG_NS16550 |
149 | #ifdef CONFIG_NS16550 |
119 | if (kbd_type == KBD_NS16550) |
150 | if (kbd_type == KBD_NS16550) |
120 | ns16550_poll(); |
151 | ns16550_poll(); |
121 | #endif |
152 | #endif |
- | 153 | #ifdef CONFIG_SGCN |
|
- | 154 | if (kbd_type == KBD_SGCN) |
|
122 | sgcn_poll(); |
155 | sgcn_poll(); |
- | 156 | #endif |
|
- | 157 | ||
123 | thread_usleep(KEYBOARD_POLL_PAUSE); |
158 | thread_usleep(KEYBOARD_POLL_PAUSE); |
124 | } |
159 | } |
125 | } |
160 | } |
126 | 161 | ||
127 | /** Acquire console back for kernel |
162 | /** Acquire console back for kernel |
128 | * |
163 | * |
129 | */ |
164 | */ |
130 | void arch_grab_console(void) |
165 | void arch_grab_console(void) |
131 | { |
166 | { |
132 | switch (kbd_type) { |
167 | switch (kbd_type) { |
133 | #ifdef CONFIG_Z8530 |
168 | #ifdef CONFIG_Z8530 |
134 | case KBD_Z8530: |
169 | case KBD_Z8530: |
135 | z8530_grab(); |
170 | z8530_grab(); |
136 | break; |
171 | break; |
137 | #endif |
172 | #endif |
138 | #ifdef CONFIG_NS16550 |
173 | #ifdef CONFIG_NS16550 |
139 | case KBD_NS16550: |
174 | case KBD_NS16550: |
140 | ns16550_grab(); |
175 | ns16550_grab(); |
141 | break; |
176 | break; |
- | 177 | #endif |
|
- | 178 | #ifdef CONFIG_SGCN |
|
- | 179 | case KBD_SGCN: |
|
- | 180 | sgcn_grab(); |
|
- | 181 | break; |
|
142 | #endif |
182 | #endif |
143 | default: |
183 | default: |
144 | break; |
184 | break; |
145 | } |
185 | } |
146 | } |
186 | } |
147 | 187 | ||
148 | /** Return console to userspace |
188 | /** Return console to userspace |
149 | * |
189 | * |
150 | */ |
190 | */ |
151 | void arch_release_console(void) |
191 | void arch_release_console(void) |
152 | { |
192 | { |
153 | switch (kbd_type) { |
193 | switch (kbd_type) { |
154 | #ifdef CONFIG_Z8530 |
194 | #ifdef CONFIG_Z8530 |
155 | case KBD_Z8530: |
195 | case KBD_Z8530: |
156 | z8530_release(); |
196 | z8530_release(); |
157 | break; |
197 | break; |
158 | #endif |
198 | #endif |
159 | #ifdef CONFIG_NS16550 |
199 | #ifdef CONFIG_NS16550 |
160 | case KBD_NS16550: |
200 | case KBD_NS16550: |
161 | ns16550_release(); |
201 | ns16550_release(); |
162 | break; |
202 | break; |
163 | #endif |
203 | #endif |
164 | default: |
204 | default: |
165 | break; |
205 | break; |
166 | } |
206 | } |
167 | } |
207 | } |
168 | 208 | ||
169 | /** @} |
209 | /** @} |
170 | */ |
210 | */ |
171 | 211 |