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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Jakub Jermar |
2 | * Copyright (c) 2006 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/drivers/kbd.h> |
35 | #include <arch/drivers/kbd.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
36 | #include <genarch/ofw/ofw_tree.h> |
37 | 37 | ||
38 | #ifdef CONFIG_SUN_KBD |
38 | #ifdef CONFIG_SUN_KBD |
39 | #include <genarch/kbrd/kbrd.h> |
39 | #include <genarch/kbrd/kbrd.h> |
40 | #endif |
40 | #endif |
41 | #ifdef CONFIG_Z8530 |
41 | #ifdef CONFIG_Z8530 |
42 | #include <genarch/drivers/z8530/z8530.h> |
42 | #include <genarch/drivers/z8530/z8530.h> |
43 | #endif |
43 | #endif |
44 | #ifdef CONFIG_NS16550 |
44 | #ifdef CONFIG_NS16550 |
45 | #include <genarch/drivers/ns16550/ns16550.h> |
45 | #include <genarch/drivers/ns16550/ns16550.h> |
46 | #endif |
46 | #endif |
47 | 47 | ||
48 | #include <console/console.h> |
48 | #include <console/console.h> |
49 | #include <ddi/device.h> |
- | |
50 | #include <ddi/irq.h> |
49 | #include <ddi/irq.h> |
51 | #include <arch/mm/page.h> |
50 | #include <arch/mm/page.h> |
52 | #include <arch/types.h> |
51 | #include <arch/types.h> |
53 | #include <align.h> |
52 | #include <align.h> |
54 | #include <string.h> |
53 | #include <string.h> |
55 | #include <print.h> |
54 | #include <print.h> |
56 | #include <sysinfo/sysinfo.h> |
55 | #include <sysinfo/sysinfo.h> |
57 | 56 | ||
58 | kbd_type_t kbd_type = KBD_UNKNOWN; |
57 | kbd_type_t kbd_type = KBD_UNKNOWN; |
59 | 58 | ||
60 | #ifdef CONFIG_SUN_KBD |
59 | #ifdef CONFIG_SUN_KBD |
61 | 60 | ||
62 | /** Initialize keyboard. |
61 | /** Initialize keyboard. |
63 | * |
62 | * |
64 | * Traverse OpenFirmware device tree in order to find necessary |
63 | * Traverse OpenFirmware device tree in order to find necessary |
65 | * info about the keyboard device. |
64 | * info about the keyboard device. |
66 | * |
65 | * |
67 | * @param node Keyboard device node. |
66 | * @param node Keyboard device node. |
68 | */ |
67 | */ |
69 | void kbd_init(ofw_tree_node_t *node) |
68 | void kbd_init(ofw_tree_node_t *node) |
70 | { |
69 | { |
71 | size_t offset; |
70 | size_t offset; |
72 | uintptr_t aligned_addr; |
71 | uintptr_t aligned_addr; |
73 | ofw_tree_property_t *prop; |
72 | ofw_tree_property_t *prop; |
74 | const char *name; |
73 | const char *name; |
75 | cir_t cir; |
74 | cir_t cir; |
76 | void *cir_arg; |
75 | void *cir_arg; |
77 | 76 | ||
78 | #ifdef CONFIG_NS16550 |
77 | #ifdef CONFIG_NS16550 |
79 | ns16550_t *ns16550; |
78 | ns16550_t *ns16550; |
80 | #endif |
79 | #endif |
81 | #ifdef CONFIG_Z8530 |
80 | #ifdef CONFIG_Z8530 |
82 | z8530_t *z8530; |
81 | z8530_t *z8530; |
83 | #endif |
82 | #endif |
84 | 83 | ||
85 | name = ofw_tree_node_name(node); |
84 | name = ofw_tree_node_name(node); |
86 | 85 | ||
87 | /* |
86 | /* |
88 | * Determine keyboard serial controller type. |
87 | * Determine keyboard serial controller type. |
89 | */ |
88 | */ |
90 | if (strcmp(name, "zs") == 0) |
89 | if (strcmp(name, "zs") == 0) |
91 | kbd_type = KBD_Z8530; |
90 | kbd_type = KBD_Z8530; |
92 | else if (strcmp(name, "su") == 0) |
91 | else if (strcmp(name, "su") == 0) |
93 | kbd_type = KBD_NS16550; |
92 | kbd_type = KBD_NS16550; |
94 | 93 | ||
95 | if (kbd_type == KBD_UNKNOWN) { |
94 | if (kbd_type == KBD_UNKNOWN) { |
96 | printf("Unknown keyboard device.\n"); |
95 | printf("Unknown keyboard device.\n"); |
97 | return; |
96 | return; |
98 | } |
97 | } |
99 | 98 | ||
100 | /* |
99 | /* |
101 | * Read 'interrupts' property. |
100 | * Read 'interrupts' property. |
102 | */ |
101 | */ |
103 | uint32_t interrupts; |
102 | uint32_t interrupts; |
104 | prop = ofw_tree_getprop(node, "interrupts"); |
103 | prop = ofw_tree_getprop(node, "interrupts"); |
105 | if ((!prop) || (!prop->value)) |
104 | if ((!prop) || (!prop->value)) |
106 | panic("Cannot find 'interrupt' property."); |
105 | panic("Cannot find 'interrupt' property."); |
107 | interrupts = *((uint32_t *) prop->value); |
106 | interrupts = *((uint32_t *) prop->value); |
108 | 107 | ||
109 | /* |
108 | /* |
110 | * Read 'reg' property. |
109 | * Read 'reg' property. |
111 | */ |
110 | */ |
112 | prop = ofw_tree_getprop(node, "reg"); |
111 | prop = ofw_tree_getprop(node, "reg"); |
113 | if ((!prop) || (!prop->value)) |
112 | if ((!prop) || (!prop->value)) |
114 | panic("Cannot find 'reg' property."); |
113 | panic("Cannot find 'reg' property."); |
115 | 114 | ||
116 | uintptr_t pa; |
115 | uintptr_t pa; |
117 | size_t size; |
116 | size_t size; |
118 | devno_t devno; |
- | |
119 | inr_t inr; |
117 | inr_t inr; |
120 | 118 | ||
121 | switch (kbd_type) { |
119 | switch (kbd_type) { |
122 | case KBD_Z8530: |
120 | case KBD_Z8530: |
123 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
121 | size = ((ofw_fhc_reg_t *) prop->value)->size; |
124 | if (!ofw_fhc_apply_ranges(node->parent, |
122 | if (!ofw_fhc_apply_ranges(node->parent, |
125 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
123 | ((ofw_fhc_reg_t *) prop->value), &pa)) { |
126 | printf("Failed to determine keyboard address.\n"); |
124 | printf("Failed to determine keyboard address.\n"); |
127 | return; |
125 | return; |
128 | } |
126 | } |
129 | if (!ofw_fhc_map_interrupt(node->parent, |
127 | if (!ofw_fhc_map_interrupt(node->parent, |
130 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
128 | ((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
131 | &cir_arg)) { |
129 | &cir_arg)) { |
132 | printf("Failed to determine keyboard interrupt.\n"); |
130 | printf("Failed to determine keyboard interrupt.\n"); |
133 | return; |
131 | return; |
134 | } |
132 | } |
135 | break; |
133 | break; |
136 | 134 | ||
137 | case KBD_NS16550: |
135 | case KBD_NS16550: |
138 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
136 | size = ((ofw_ebus_reg_t *) prop->value)->size; |
139 | if (!ofw_ebus_apply_ranges(node->parent, |
137 | if (!ofw_ebus_apply_ranges(node->parent, |
140 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
138 | ((ofw_ebus_reg_t *) prop->value), &pa)) { |
141 | printf("Failed to determine keyboard address.\n"); |
139 | printf("Failed to determine keyboard address.\n"); |
142 | return; |
140 | return; |
143 | } |
141 | } |
144 | if (!ofw_ebus_map_interrupt(node->parent, |
142 | if (!ofw_ebus_map_interrupt(node->parent, |
145 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
143 | ((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
146 | &cir_arg)) { |
144 | &cir_arg)) { |
147 | printf("Failed to determine keyboard interrupt.\n"); |
145 | printf("Failed to determine keyboard interrupt.\n"); |
148 | return; |
146 | return; |
149 | }; |
147 | }; |
150 | break; |
148 | break; |
151 | default: |
149 | default: |
152 | panic("Unexpected keyboard type."); |
150 | panic("Unexpected keyboard type."); |
153 | } |
151 | } |
154 | 152 | ||
155 | /* |
153 | /* |
156 | * We need to pass aligned address to hw_map(). |
154 | * We need to pass aligned address to hw_map(). |
157 | * However, the physical keyboard address can |
155 | * However, the physical keyboard address can |
158 | * be pretty much unaligned, depending on the |
156 | * be pretty much unaligned, depending on the |
159 | * underlying controller. |
157 | * underlying controller. |
160 | */ |
158 | */ |
161 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
159 | aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
162 | offset = pa - aligned_addr; |
160 | offset = pa - aligned_addr; |
163 | 161 | ||
164 | switch (kbd_type) { |
162 | switch (kbd_type) { |
165 | #ifdef CONFIG_Z8530 |
163 | #ifdef CONFIG_Z8530 |
166 | case KBD_Z8530: |
164 | case KBD_Z8530: |
167 | devno = device_assign_devno(); |
- | |
168 | z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) + |
165 | z8530 = (z8530_t *) hw_map(aligned_addr, offset + size) + |
169 | offset; |
166 | offset; |
170 | 167 | ||
171 | indev_t *kbrdin_z8530 = z8530_init(z8530, devno, inr, cir, cir_arg); |
168 | indev_t *kbrdin_z8530 = z8530_init(z8530, inr, cir, cir_arg); |
172 | if (kbrdin_z8530) |
169 | if (kbrdin_z8530) |
173 | kbrd_init(kbrdin_z8530); |
170 | kbrd_init(kbrdin_z8530); |
174 | 171 | ||
175 | /* |
172 | /* |
176 | * This is the necessary evil until the userspace drivers are |
173 | * This is the necessary evil until the userspace drivers are |
177 | * entirely self-sufficient. |
174 | * entirely self-sufficient. |
178 | */ |
175 | */ |
179 | sysinfo_set_item_val("kbd", NULL, true); |
176 | sysinfo_set_item_val("kbd", NULL, true); |
180 | sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530); |
177 | sysinfo_set_item_val("kbd.type", NULL, KBD_Z8530); |
181 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
- | |
182 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
178 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
183 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
179 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
184 | (uintptr_t) z8530); |
180 | (uintptr_t) z8530); |
185 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
181 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
186 | break; |
182 | break; |
187 | #endif |
183 | #endif |
188 | #ifdef CONFIG_NS16550 |
184 | #ifdef CONFIG_NS16550 |
189 | case KBD_NS16550: |
185 | case KBD_NS16550: |
190 | devno = device_assign_devno(); |
- | |
191 | ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) + |
186 | ns16550 = (ns16550_t *) hw_map(aligned_addr, offset + size) + |
192 | offset; |
187 | offset; |
193 | 188 | ||
194 | indev_t *kbrdin_ns16550 = ns16550_init(ns16550, devno, inr, cir, cir_arg); |
189 | indev_t *kbrdin_ns16550 = ns16550_init(ns16550, inr, cir, cir_arg); |
195 | if (kbrdin_ns16550) |
190 | if (kbrdin_ns16550) |
196 | kbrd_init(kbrdin_ns16550); |
191 | kbrd_init(kbrdin_ns16550); |
197 | 192 | ||
198 | /* |
193 | /* |
199 | * This is the necessary evil until the userspace driver is |
194 | * This is the necessary evil until the userspace driver is |
200 | * entirely self-sufficient. |
195 | * entirely self-sufficient. |
201 | */ |
196 | */ |
202 | sysinfo_set_item_val("kbd", NULL, true); |
197 | sysinfo_set_item_val("kbd", NULL, true); |
203 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
198 | sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
204 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
- | |
205 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
199 | sysinfo_set_item_val("kbd.inr", NULL, inr); |
206 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
200 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
207 | (uintptr_t) ns16550); |
201 | (uintptr_t) ns16550); |
208 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
202 | sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
209 | break; |
203 | break; |
210 | #endif |
204 | #endif |
211 | default: |
205 | default: |
212 | printf("Kernel is not compiled with the necessary keyboard " |
206 | printf("Kernel is not compiled with the necessary keyboard " |
213 | "driver this machine requires.\n"); |
207 | "driver this machine requires.\n"); |
214 | } |
208 | } |
215 | } |
209 | } |
216 | 210 | ||
217 | #endif |
211 | #endif |
218 | 212 | ||
219 | /** @} |
213 | /** @} |
220 | */ |
214 | */ |
221 | 215 |