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640 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
640 | jermar | 3 | * All rights reserved. |
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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28 | |||
1731 | jermar | 29 | /** @addtogroup sparc64 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
640 | jermar | 35 | #include <cpu.h> |
36 | #include <arch.h> |
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1899 | jermar | 37 | #include <genarch/ofw/ofw_tree.h> |
38 | #include <arch/drivers/tick.h> |
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2089 | decky | 39 | #include <print.h> |
3467 | rimsky | 40 | #include <arch/cpu_node.h> |
640 | jermar | 41 | |
2049 | jermar | 42 | /** Perform sparc64 specific initialization of the processor structure for the |
43 | * current processor. |
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44 | */ |
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640 | jermar | 45 | void cpu_arch_init(void) |
46 | { |
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1899 | jermar | 47 | ofw_tree_node_t *node; |
48 | uint32_t mid; |
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49 | uint32_t clock_frequency = 0; |
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3479 | rimsky | 50 | icbus_config_t icbus_config; |
1899 | jermar | 51 | |
3479 | rimsky | 52 | icbus_config.value = icbus_config_read(); |
53 | CPU->arch.mid = icbus_config.mid; |
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1903 | jermar | 54 | |
1917 | jermar | 55 | /* |
56 | * Detect processor frequency. |
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57 | */ |
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3467 | rimsky | 58 | node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
1899 | jermar | 59 | while (node) { |
60 | ofw_tree_property_t *prop; |
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3467 | rimsky | 61 | |
62 | prop = ofw_tree_getprop(node, PORTID_NAME); |
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1899 | jermar | 63 | if (prop && prop->value) { |
64 | mid = *((uint32_t *) prop->value); |
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1903 | jermar | 65 | if (mid == CPU->arch.mid) { |
2049 | jermar | 66 | prop = ofw_tree_getprop(node, |
2272 | jermar | 67 | "clock-frequency"); |
1899 | jermar | 68 | if (prop && prop->value) |
2049 | jermar | 69 | clock_frequency = *((uint32_t *) |
2272 | jermar | 70 | prop->value); |
1899 | jermar | 71 | } |
72 | } |
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73 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
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74 | } |
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75 | |||
76 | CPU->arch.clock_frequency = clock_frequency; |
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77 | tick_init(); |
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640 | jermar | 78 | } |
79 | |||
1899 | jermar | 80 | /** Read version information from the current processor. */ |
640 | jermar | 81 | void cpu_identify(void) |
82 | { |
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83 | CPU->arch.ver.value = ver_read(); |
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84 | } |
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85 | |||
1899 | jermar | 86 | /** Print version information for a processor. |
87 | * |
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1903 | jermar | 88 | * This function is called by the bootstrap processor. |
89 | * |
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2049 | jermar | 90 | * @param m Processor structure of the CPU for which version information is to |
91 | * be printed. |
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1899 | jermar | 92 | */ |
640 | jermar | 93 | void cpu_print_report(cpu_t *m) |
94 | { |
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95 | char *manuf, *impl; |
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96 | |||
1903 | jermar | 97 | switch (m->arch.ver.manuf) { |
98 | case MANUF_FUJITSU: |
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640 | jermar | 99 | manuf = "Fujitsu"; |
100 | break; |
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1903 | jermar | 101 | case MANUF_ULTRASPARC: |
640 | jermar | 102 | manuf = "UltraSPARC"; |
103 | break; |
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1903 | jermar | 104 | case MANUF_SUN: |
640 | jermar | 105 | manuf = "Sun"; |
106 | break; |
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1903 | jermar | 107 | default: |
640 | jermar | 108 | manuf = "Unknown"; |
109 | break; |
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110 | } |
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111 | |||
112 | switch (CPU->arch.ver.impl) { |
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1903 | jermar | 113 | case IMPL_ULTRASPARCI: |
640 | jermar | 114 | impl = "UltraSPARC I"; |
115 | break; |
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1903 | jermar | 116 | case IMPL_ULTRASPARCII: |
640 | jermar | 117 | impl = "UltraSPARC II"; |
118 | break; |
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1903 | jermar | 119 | case IMPL_ULTRASPARCII_I: |
640 | jermar | 120 | impl = "UltraSPARC IIi"; |
121 | break; |
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1903 | jermar | 122 | case IMPL_ULTRASPARCII_E: |
640 | jermar | 123 | impl = "UltraSPARC IIe"; |
124 | break; |
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1903 | jermar | 125 | case IMPL_ULTRASPARCIII: |
640 | jermar | 126 | impl = "UltraSPARC III"; |
127 | break; |
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1903 | jermar | 128 | case IMPL_ULTRASPARCIV_PLUS: |
640 | jermar | 129 | impl = "UltraSPARC IV+"; |
130 | break; |
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1903 | jermar | 131 | case IMPL_SPARC64V: |
640 | jermar | 132 | impl = "SPARC 64V"; |
133 | break; |
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1903 | jermar | 134 | default: |
640 | jermar | 135 | impl = "Unknown"; |
136 | break; |
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137 | } |
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138 | |||
3071 | decky | 139 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf, |
2049 | jermar | 140 | impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
640 | jermar | 141 | } |
1702 | cejka | 142 | |
1731 | jermar | 143 | /** @} |
1702 | cejka | 144 | */ |