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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 885 | decky | 1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 1789 | jermar | 28 | |
| 29 | /** |
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| 30 | * @file |
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| 31 | * @brief Architecture dependent parts of OpenFirmware interface. |
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| 32 | */ |
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| 33 | |||
| 34 | #include <ofwarch.h> |
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| 1764 | jermar | 35 | #include <ofw.h> |
| 36 | #include <printf.h> |
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| 1881 | jermar | 37 | #include <string.h> |
| 38 | #include "main.h" |
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| 885 | decky | 39 | |
| 1837 | jermar | 40 | int bpp2align[] = { |
| 41 | [0] = 0, /** Invalid bpp. */ |
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| 42 | [1] = 1, /** 8bpp is not aligned. */ |
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| 43 | [2] = 2, /** 16bpp is naturally aligned. */ |
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| 44 | [3] = 4, /** 24bpp is aligned on 4 byte boundary. */ |
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| 45 | [4] = 4, /** 32bpp is naturally aligned. */ |
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| 46 | }; |
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| 47 | |||
| 1764 | jermar | 48 | void write(const char *str, const int len) |
| 885 | decky | 49 | { |
| 1773 | jermar | 50 | int i; |
| 51 | |||
| 52 | for (i = 0; i < len; i++) { |
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| 53 | if (str[i] == '\n') |
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| 54 | ofw_write("\r", 1); |
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| 55 | ofw_write(&str[i], 1); |
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| 56 | } |
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| 885 | decky | 57 | } |
| 1783 | jermar | 58 | |
| 59 | int ofw_translate_failed(ofw_arg_t flag) |
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| 60 | { |
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| 61 | return flag != -1; |
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| 62 | } |
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| 1789 | jermar | 63 | |
| 64 | int ofw_keyboard(keyboard_t *keyboard) |
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| 65 | { |
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| 66 | char device_name[BUF_SIZE]; |
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| 67 | uint32_t virtaddr; |
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| 68 | |||
| 69 | if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0) |
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| 70 | return false; |
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| 71 | |||
| 72 | phandle device = ofw_find_device(device_name); |
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| 73 | if (device == -1) |
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| 74 | return false; |
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| 75 | |||
| 76 | if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0) |
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| 77 | return false; |
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| 78 | |||
| 79 | if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr)))) |
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| 80 | return false; |
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| 81 | |||
| 82 | return true; |
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| 83 | } |
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| 1881 | jermar | 84 | |
| 85 | int ofw_cpu(cpu_t *cpu) |
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| 86 | { |
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| 87 | char type_name[BUF_SIZE]; |
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| 88 | |||
| 89 | phandle node; |
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| 90 | node = ofw_get_child_node(ofw_root); |
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| 91 | if (node == 0 || node == -1) { |
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| 92 | printf("Could not find any child nodes of the root node.\n"); |
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| 93 | return; |
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| 94 | } |
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| 95 | |||
| 96 | for (; node != 0 && node != -1; node = ofw_get_peer_node(node)) { |
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| 97 | if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) { |
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| 98 | if (strncmp(type_name, "cpu", 3) == 0) { |
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| 99 | uint32_t mhz; |
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| 100 | |||
| 101 | if (ofw_get_property(node, "clock-frequency", &mhz, sizeof(mhz)) <= 0) |
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| 102 | continue; |
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| 103 | |||
| 104 | cpu->clock_frequency = mhz; |
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| 105 | return 1; |
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| 106 | } |
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| 107 | } |
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| 108 | }; |
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| 109 | |||
| 110 | return 0; |
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| 111 | } |