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| Rev | Author | Line No. | Line |
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| 640 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub Jermar |
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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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| 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 | |||
| 1881 | jermar | 35 | #include <arch/asm.h> |
| 640 | jermar | 36 | #include <cpu.h> |
| 37 | #include <arch.h> |
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| 1899 | jermar | 38 | #include <print.h> |
| 640 | jermar | 39 | #include <arch/register.h> |
| 1899 | jermar | 40 | #include <genarch/ofw/ofw_tree.h> |
| 41 | #include <arch/types.h> |
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| 42 | #include <arch/drivers/tick.h> |
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| 640 | jermar | 43 | |
| 1899 | jermar | 44 | /** Perform sparc64 specific initialization of the processor structure for the current processor. */ |
| 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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| 50 | upa_config_t upa_config; |
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| 51 | |||
| 52 | upa_config.value = upa_config_read(); |
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| 1903 | jermar | 53 | CPU->arch.mid = upa_config.mid; |
| 54 | |||
| 1899 | jermar | 55 | node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu"); |
| 56 | while (node) { |
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| 57 | ofw_tree_property_t *prop; |
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| 58 | |||
| 59 | prop = ofw_tree_getprop(node, "upa-portid"); |
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| 60 | if (prop && prop->value) { |
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| 61 | mid = *((uint32_t *) prop->value); |
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| 1903 | jermar | 62 | if (mid == CPU->arch.mid) { |
| 1899 | jermar | 63 | prop = ofw_tree_getprop(node, "clock-frequency"); |
| 64 | if (prop && prop->value) |
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| 65 | clock_frequency = *((uint32_t *) prop->value); |
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| 66 | } |
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| 67 | } |
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| 68 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
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| 69 | } |
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| 70 | |||
| 71 | CPU->arch.clock_frequency = clock_frequency; |
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| 72 | tick_init(); |
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| 640 | jermar | 73 | } |
| 74 | |||
| 1899 | jermar | 75 | /** Read version information from the current processor. */ |
| 640 | jermar | 76 | void cpu_identify(void) |
| 77 | { |
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| 78 | CPU->arch.ver.value = ver_read(); |
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| 79 | } |
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| 80 | |||
| 1899 | jermar | 81 | /** Print version information for a processor. |
| 82 | * |
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| 1903 | jermar | 83 | * This function is called by the bootstrap processor. |
| 84 | * |
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| 1899 | jermar | 85 | * @param m Processor structure of the CPU for which version information is to be printed. |
| 86 | */ |
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| 640 | jermar | 87 | void cpu_print_report(cpu_t *m) |
| 88 | { |
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| 89 | char *manuf, *impl; |
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| 90 | |||
| 1903 | jermar | 91 | switch (m->arch.ver.manuf) { |
| 92 | case MANUF_FUJITSU: |
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| 640 | jermar | 93 | manuf = "Fujitsu"; |
| 94 | break; |
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| 1903 | jermar | 95 | case MANUF_ULTRASPARC: |
| 640 | jermar | 96 | manuf = "UltraSPARC"; |
| 97 | break; |
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| 1903 | jermar | 98 | case MANUF_SUN: |
| 640 | jermar | 99 | manuf = "Sun"; |
| 100 | break; |
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| 1903 | jermar | 101 | default: |
| 640 | jermar | 102 | manuf = "Unknown"; |
| 103 | break; |
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| 104 | } |
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| 105 | |||
| 106 | switch (CPU->arch.ver.impl) { |
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| 1903 | jermar | 107 | case IMPL_ULTRASPARCI: |
| 640 | jermar | 108 | impl = "UltraSPARC I"; |
| 109 | break; |
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| 1903 | jermar | 110 | case IMPL_ULTRASPARCII: |
| 640 | jermar | 111 | impl = "UltraSPARC II"; |
| 112 | break; |
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| 1903 | jermar | 113 | case IMPL_ULTRASPARCII_I: |
| 640 | jermar | 114 | impl = "UltraSPARC IIi"; |
| 115 | break; |
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| 1903 | jermar | 116 | case IMPL_ULTRASPARCII_E: |
| 640 | jermar | 117 | impl = "UltraSPARC IIe"; |
| 118 | break; |
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| 1903 | jermar | 119 | case IMPL_ULTRASPARCIII: |
| 640 | jermar | 120 | impl = "UltraSPARC III"; |
| 121 | break; |
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| 1903 | jermar | 122 | case IMPL_ULTRASPARCIV_PLUS: |
| 640 | jermar | 123 | impl = "UltraSPARC IV+"; |
| 124 | break; |
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| 1903 | jermar | 125 | case IMPL_SPARC64V: |
| 640 | jermar | 126 | impl = "SPARC 64V"; |
| 127 | break; |
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| 1903 | jermar | 128 | default: |
| 640 | jermar | 129 | impl = "Unknown"; |
| 130 | break; |
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| 131 | } |
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| 132 | |||
| 1881 | jermar | 133 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", |
| 1903 | jermar | 134 | m->id, manuf, impl, m->arch.ver.mask, m->arch.clock_frequency/1000000); |
| 640 | jermar | 135 | } |
| 1702 | cejka | 136 | |
| 1731 | jermar | 137 | /** @} |
| 1702 | cejka | 138 | */ |