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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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| 53 | node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu"); |
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| 54 | while (node) { |
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| 55 | ofw_tree_property_t *prop; |
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| 56 | |||
| 57 | prop = ofw_tree_getprop(node, "upa-portid"); |
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| 58 | if (prop && prop->value) { |
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| 59 | mid = *((uint32_t *) prop->value); |
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| 60 | if (mid == upa_config.mid) { |
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| 61 | prop = ofw_tree_getprop(node, "clock-frequency"); |
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| 62 | if (prop && prop->value) |
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| 63 | clock_frequency = *((uint32_t *) prop->value); |
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| 64 | } |
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| 65 | } |
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| 66 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
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| 67 | } |
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| 68 | |||
| 69 | CPU->arch.clock_frequency = clock_frequency; |
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| 70 | tick_init(); |
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| 640 | jermar | 71 | } |
| 72 | |||
| 1899 | jermar | 73 | /** Read version information from the current processor. */ |
| 640 | jermar | 74 | void cpu_identify(void) |
| 75 | { |
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| 76 | CPU->arch.ver.value = ver_read(); |
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| 77 | } |
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| 78 | |||
| 1899 | jermar | 79 | /** Print version information for a processor. |
| 80 | * |
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| 81 | * @param m Processor structure of the CPU for which version information is to be printed. |
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| 82 | */ |
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| 640 | jermar | 83 | void cpu_print_report(cpu_t *m) |
| 84 | { |
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| 85 | char *manuf, *impl; |
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| 86 | |||
| 87 | switch (CPU->arch.ver.manuf) { |
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| 88 | case MANUF_FUJITSU: |
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| 89 | manuf = "Fujitsu"; |
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| 90 | break; |
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| 91 | case MANUF_ULTRASPARC: |
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| 92 | manuf = "UltraSPARC"; |
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| 93 | break; |
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| 94 | case MANUF_SUN: |
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| 95 | manuf = "Sun"; |
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| 96 | break; |
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| 97 | default: |
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| 98 | manuf = "Unknown"; |
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| 99 | break; |
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| 100 | } |
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| 101 | |||
| 102 | switch (CPU->arch.ver.impl) { |
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| 103 | case IMPL_ULTRASPARCI: |
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| 104 | impl = "UltraSPARC I"; |
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| 105 | break; |
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| 106 | case IMPL_ULTRASPARCII: |
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| 107 | impl = "UltraSPARC II"; |
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| 108 | break; |
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| 109 | case IMPL_ULTRASPARCII_I: |
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| 110 | impl = "UltraSPARC IIi"; |
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| 111 | break; |
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| 112 | case IMPL_ULTRASPARCII_E: |
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| 113 | impl = "UltraSPARC IIe"; |
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| 114 | break; |
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| 115 | case IMPL_ULTRASPARCIII: |
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| 116 | impl = "UltraSPARC III"; |
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| 117 | break; |
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| 118 | case IMPL_ULTRASPARCIV_PLUS: |
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| 119 | impl = "UltraSPARC IV+"; |
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| 120 | break; |
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| 121 | case IMPL_SPARC64V: |
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| 122 | impl = "SPARC 64V"; |
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| 123 | break; |
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| 124 | default: |
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| 125 | impl = "Unknown"; |
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| 126 | break; |
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| 127 | } |
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| 128 | |||
| 1881 | jermar | 129 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", |
| 130 | CPU->id, manuf, impl, CPU->arch.ver.mask, CPU->arch.clock_frequency/1000000); |
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| 640 | jermar | 131 | } |
| 1702 | cejka | 132 | |
| 1731 | jermar | 133 | /** @} |
| 1702 | cejka | 134 | */ |