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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
| - | 3 | * Copyright (C) 2006 Jakub Jermar |
|
| 3 | * All rights reserved. |
4 | * All rights reserved. |
| 4 | * |
5 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
6 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
7 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
8 | * are met: |
| 8 | * |
9 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
10 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
11 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
13 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
14 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
15 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
16 | * derived from this software without specific prior written permission. |
| 16 | * |
17 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * (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. |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
28 | */ |
| 28 | 29 | ||
| 29 | /** |
30 | /** |
| 30 | * @file |
31 | * @file |
| 31 | * @brief Architecture dependent parts of OpenFirmware interface. |
32 | * @brief Architecture dependent parts of OpenFirmware interface. |
| 32 | */ |
33 | */ |
| 33 | 34 | ||
| 34 | #include <ofwarch.h> |
35 | #include <ofwarch.h> |
| 35 | #include <ofw.h> |
36 | #include <ofw.h> |
| 36 | #include <printf.h> |
37 | #include <printf.h> |
| 37 | #include <string.h> |
38 | #include <string.h> |
| 38 | #include <register.h> |
39 | #include <register.h> |
| 39 | #include "main.h" |
40 | #include "main.h" |
| - | 41 | #include "asm.h" |
|
| 40 | 42 | ||
| 41 | void write(const char *str, const int len) |
43 | void write(const char *str, const int len) |
| 42 | { |
44 | { |
| 43 | int i; |
45 | int i; |
| 44 | 46 | ||
| 45 | for (i = 0; i < len; i++) { |
47 | for (i = 0; i < len; i++) { |
| 46 | if (str[i] == '\n') |
48 | if (str[i] == '\n') |
| 47 | ofw_write("\r", 1); |
49 | ofw_write("\r", 1); |
| 48 | ofw_write(&str[i], 1); |
50 | ofw_write(&str[i], 1); |
| 49 | } |
51 | } |
| 50 | } |
52 | } |
| 51 | 53 | ||
| 52 | int ofw_translate_failed(ofw_arg_t flag) |
54 | int ofw_translate_failed(ofw_arg_t flag) |
| 53 | { |
55 | { |
| 54 | return flag != -1; |
56 | return flag != -1; |
| 55 | } |
57 | } |
| 56 | 58 | ||
| 57 | int ofw_cpu(void) |
59 | int ofw_cpu(void) |
| 58 | { |
60 | { |
| 59 | char type_name[BUF_SIZE]; |
61 | char type_name[BUF_SIZE]; |
| 60 | 62 | ||
| 61 | phandle node; |
63 | phandle node; |
| 62 | node = ofw_get_child_node(ofw_root); |
64 | node = ofw_get_child_node(ofw_root); |
| 63 | if (node == 0 || node == -1) { |
65 | if (node == 0 || node == -1) { |
| 64 | printf("Could not find any child nodes of the root node.\n"); |
66 | printf("Could not find any child nodes of the root node.\n"); |
| 65 | return 0; |
67 | return 0; |
| 66 | } |
68 | } |
| 67 | 69 | ||
| 68 | uint64_t current_mid; |
70 | uint64_t current_mid; |
| 69 | 71 | ||
| 70 | __asm__ volatile ("ldxa [%1] %2, %0\n" : "=r" (current_mid) : "r" (0), "i" (ASI_UPA_CONFIG)); |
72 | __asm__ volatile ("ldxa [%1] %2, %0\n" : "=r" (current_mid) : "r" (0), "i" (ASI_UPA_CONFIG)); |
| 71 | current_mid >>= UPA_CONFIG_MID_SHIFT; |
73 | current_mid >>= UPA_CONFIG_MID_SHIFT; |
| 72 | current_mid &= UPA_CONFIG_MID_MASK; |
74 | current_mid &= UPA_CONFIG_MID_MASK; |
| 73 | 75 | ||
| 74 | int cpus; |
76 | int cpus; |
| 75 | 77 | ||
| 76 | for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), cpus++) { |
78 | for (cpus = 0; node != 0 && node != -1; node = ofw_get_peer_node(node), cpus++) { |
| 77 | if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) { |
79 | if (ofw_get_property(node, "device_type", type_name, sizeof(type_name)) > 0) { |
| 78 | if (strcmp(type_name, "cpu") == 0) { |
80 | if (strcmp(type_name, "cpu") == 0) { |
| 79 | uint32_t mid; |
81 | uint32_t mid; |
| 80 | 82 | ||
| 81 | if (ofw_get_property(node, "upa-portid", &mid, sizeof(mid)) <= 0) |
83 | if (ofw_get_property(node, "upa-portid", &mid, sizeof(mid)) <= 0) |
| 82 | continue; |
84 | continue; |
| 83 | 85 | ||
| 84 | if (current_mid != mid) { |
86 | if (current_mid != mid) { |
| 85 | /* |
87 | /* |
| 86 | * Start secondary processor. |
88 | * Start secondary processor. |
| 87 | */ |
89 | */ |
| 88 | (void) ofw_call("SUNW,start-cpu", 3, 1, NULL, node, KERNEL_VIRTUAL_ADDRESS, 0); |
90 | (void) ofw_call("SUNW,start-cpu", 3, 1, NULL, node, |
| - | 91 | KERNEL_VIRTUAL_ADDRESS, |
|
| - | 92 | bootinfo.physmem_start | AP_PROCESSOR); |
|
| 89 | } |
93 | } |
| 90 | } |
94 | } |
| 91 | } |
95 | } |
| 92 | } |
96 | } |
| 93 | 97 | ||
| 94 | return cpus; |
98 | return cpus; |
| 95 | } |
99 | } |
| - | 100 | ||
| - | 101 | /** Get physical memory starting address. |
|
| - | 102 | * |
|
| - | 103 | * @param start Pointer to variable where the physical memory starting |
|
| - | 104 | * address will be stored. |
|
| - | 105 | * |
|
| - | 106 | * @return Non-zero on succes, zero on failure. |
|
| - | 107 | */ |
|
| - | 108 | int ofw_get_physmem_start(uintptr_t *start) |
|
| - | 109 | { |
|
| - | 110 | uint32_t memreg[4]; |
|
| - | 111 | ||
| - | 112 | if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0) |
|
| - | 113 | return 0; |
|
| - | 114 | ||
| - | 115 | *start = (((uint64_t) memreg[0]) << 32) | memreg[1]; |
|
| - | 116 | return 1; |
|
| - | 117 | } |
|
| - | 118 | ||
| 96 | 119 | ||