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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
| 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 | /** |
29 | /** |
| 30 | * @file |
30 | * @file |
| 31 | * @brief Architecture dependent parts of OpenFirmware interface. |
31 | * @brief Architecture dependent parts of OpenFirmware interface. |
| 32 | */ |
32 | */ |
| 33 | 33 | ||
| 34 | #include <ofwarch.h> |
34 | #include <ofwarch.h> |
| 35 | #include <ofw.h> |
35 | #include <ofw.h> |
| 36 | #include <printf.h> |
36 | #include <printf.h> |
| - | 37 | #include <string.h> |
|
| - | 38 | #include "main.h" |
|
| 37 | 39 | ||
| 38 | int bpp2align[] = { |
40 | int bpp2align[] = { |
| 39 | [0] = 0, /** Invalid bpp. */ |
41 | [0] = 0, /** Invalid bpp. */ |
| 40 | [1] = 1, /** 8bpp is not aligned. */ |
42 | [1] = 1, /** 8bpp is not aligned. */ |
| 41 | [2] = 2, /** 16bpp is naturally aligned. */ |
43 | [2] = 2, /** 16bpp is naturally aligned. */ |
| 42 | [3] = 4, /** 24bpp is aligned on 4 byte boundary. */ |
44 | [3] = 4, /** 24bpp is aligned on 4 byte boundary. */ |
| 43 | [4] = 4, /** 32bpp is naturally aligned. */ |
45 | [4] = 4, /** 32bpp is naturally aligned. */ |
| 44 | }; |
46 | }; |
| 45 | 47 | ||
| 46 | void write(const char *str, const int len) |
48 | void write(const char *str, const int len) |
| 47 | { |
49 | { |
| 48 | int i; |
50 | int i; |
| 49 | 51 | ||
| 50 | for (i = 0; i < len; i++) { |
52 | for (i = 0; i < len; i++) { |
| 51 | if (str[i] == '\n') |
53 | if (str[i] == '\n') |
| 52 | ofw_write("\r", 1); |
54 | ofw_write("\r", 1); |
| 53 | ofw_write(&str[i], 1); |
55 | ofw_write(&str[i], 1); |
| 54 | } |
56 | } |
| 55 | } |
57 | } |
| 56 | 58 | ||
| 57 | int ofw_translate_failed(ofw_arg_t flag) |
59 | int ofw_translate_failed(ofw_arg_t flag) |
| 58 | { |
60 | { |
| 59 | return flag != -1; |
61 | return flag != -1; |
| 60 | } |
62 | } |
| 61 | 63 | ||
| 62 | int ofw_keyboard(keyboard_t *keyboard) |
64 | int ofw_keyboard(keyboard_t *keyboard) |
| 63 | { |
65 | { |
| 64 | char device_name[BUF_SIZE]; |
66 | char device_name[BUF_SIZE]; |
| 65 | uint32_t virtaddr; |
67 | uint32_t virtaddr; |
| 66 | 68 | ||
| 67 | if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0) |
69 | if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0) |
| 68 | return false; |
70 | return false; |
| 69 | 71 | ||
| 70 | phandle device = ofw_find_device(device_name); |
72 | phandle device = ofw_find_device(device_name); |
| 71 | if (device == -1) |
73 | if (device == -1) |
| 72 | return false; |
74 | return false; |
| 73 | 75 | ||
| 74 | if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0) |
76 | if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0) |
| 75 | return false; |
77 | return false; |
| 76 | 78 | ||
| 77 | if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr)))) |
79 | if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr)))) |
| 78 | return false; |
80 | return false; |
| 79 | 81 | ||
| 80 | return true; |
82 | return true; |
| 81 | } |
83 | } |
| - | 84 | ||
| - | 85 | int ofw_cpu(cpu_t *cpu) |
|
| - | 86 | { |
|
| - | 87 | char type_name[BUF_SIZE]; |
|
| - | 88 | ||
| - | 89 | phandle node; |
|
| - | 90 | node = ofw_get_child_node(ofw_root); |
|
| - | 91 | if (node == 0 || node == -1) { |
|
| - | 92 | printf("Could not find any child nodes of the root node.\n"); |
|
| - | 93 | return; |
|
| - | 94 | } |
|
| - | 95 | ||
| - | 96 | for (; node != 0 && node != -1; node = ofw_get_peer_node(node)) { |
|
| - | 97 | if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) { |
|
| - | 98 | if (strncmp(type_name, "cpu", 3) == 0) { |
|
| - | 99 | uint32_t mhz; |
|
| - | 100 | ||
| - | 101 | if (ofw_get_property(node, "clock-frequency", &mhz, sizeof(mhz)) <= 0) |
|
| - | 102 | continue; |
|
| - | 103 | ||
| - | 104 | cpu->clock_frequency = mhz; |
|
| - | 105 | return 1; |
|
| - | 106 | } |
|
| - | 107 | } |
|
| - | 108 | }; |
|
| - | 109 | ||
| - | 110 | return 0; |
|
| - | 111 | } |
|
| 82 | 112 | ||