| 1 | /*
|
|---|
| 2 | * Copyright (C) 2005 Jakub Jermar
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * 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 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * 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 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * 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 | * 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 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup sparc64
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #include <arch/asm.h>
|
|---|
| 36 | #include <cpu.h>
|
|---|
| 37 | #include <arch.h>
|
|---|
| 38 | #include <print.h>
|
|---|
| 39 | #include <arch/register.h>
|
|---|
| 40 | #include <genarch/ofw/ofw_tree.h>
|
|---|
| 41 | #include <arch/types.h>
|
|---|
| 42 | #include <arch/drivers/tick.h>
|
|---|
| 43 |
|
|---|
| 44 | /** Perform sparc64 specific initialization of the processor structure for the current processor. */
|
|---|
| 45 | void cpu_arch_init(void)
|
|---|
| 46 | {
|
|---|
| 47 | ofw_tree_node_t *node;
|
|---|
| 48 | uint32_t mid;
|
|---|
| 49 | uint32_t clock_frequency = 0;
|
|---|
| 50 | upa_config_t upa_config;
|
|---|
| 51 |
|
|---|
| 52 | upa_config.value = upa_config_read();
|
|---|
| 53 | node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
|
|---|
| 54 | while (node) {
|
|---|
| 55 | ofw_tree_property_t *prop;
|
|---|
| 56 |
|
|---|
| 57 | prop = ofw_tree_getprop(node, "upa-portid");
|
|---|
| 58 | if (prop && prop->value) {
|
|---|
| 59 | mid = *((uint32_t *) prop->value);
|
|---|
| 60 | if (mid == upa_config.mid) {
|
|---|
| 61 | prop = ofw_tree_getprop(node, "clock-frequency");
|
|---|
| 62 | if (prop && prop->value)
|
|---|
| 63 | clock_frequency = *((uint32_t *) prop->value);
|
|---|
| 64 | }
|
|---|
| 65 | }
|
|---|
| 66 | node = ofw_tree_find_peer_by_device_type(node, "cpu");
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | CPU->arch.clock_frequency = clock_frequency;
|
|---|
| 70 | tick_init();
|
|---|
| 71 | }
|
|---|
| 72 |
|
|---|
| 73 | /** Read version information from the current processor. */
|
|---|
| 74 | void cpu_identify(void)
|
|---|
| 75 | {
|
|---|
| 76 | CPU->arch.ver.value = ver_read();
|
|---|
| 77 | }
|
|---|
| 78 |
|
|---|
| 79 | /** Print version information for a processor.
|
|---|
| 80 | *
|
|---|
| 81 | * @param m Processor structure of the CPU for which version information is to be printed.
|
|---|
| 82 | */
|
|---|
| 83 | void cpu_print_report(cpu_t *m)
|
|---|
| 84 | {
|
|---|
| 85 | char *manuf, *impl;
|
|---|
| 86 |
|
|---|
| 87 | switch (CPU->arch.ver.manuf) {
|
|---|
| 88 | case MANUF_FUJITSU:
|
|---|
| 89 | manuf = "Fujitsu";
|
|---|
| 90 | break;
|
|---|
| 91 | case MANUF_ULTRASPARC:
|
|---|
| 92 | manuf = "UltraSPARC";
|
|---|
| 93 | break;
|
|---|
| 94 | case MANUF_SUN:
|
|---|
| 95 | manuf = "Sun";
|
|---|
| 96 | break;
|
|---|
| 97 | default:
|
|---|
| 98 | manuf = "Unknown";
|
|---|
| 99 | break;
|
|---|
| 100 | }
|
|---|
| 101 |
|
|---|
| 102 | switch (CPU->arch.ver.impl) {
|
|---|
| 103 | case IMPL_ULTRASPARCI:
|
|---|
| 104 | impl = "UltraSPARC I";
|
|---|
| 105 | break;
|
|---|
| 106 | case IMPL_ULTRASPARCII:
|
|---|
| 107 | impl = "UltraSPARC II";
|
|---|
| 108 | break;
|
|---|
| 109 | case IMPL_ULTRASPARCII_I:
|
|---|
| 110 | impl = "UltraSPARC IIi";
|
|---|
| 111 | break;
|
|---|
| 112 | case IMPL_ULTRASPARCII_E:
|
|---|
| 113 | impl = "UltraSPARC IIe";
|
|---|
| 114 | break;
|
|---|
| 115 | case IMPL_ULTRASPARCIII:
|
|---|
| 116 | impl = "UltraSPARC III";
|
|---|
| 117 | break;
|
|---|
| 118 | case IMPL_ULTRASPARCIV_PLUS:
|
|---|
| 119 | impl = "UltraSPARC IV+";
|
|---|
| 120 | break;
|
|---|
| 121 | case IMPL_SPARC64V:
|
|---|
| 122 | impl = "SPARC 64V";
|
|---|
| 123 | break;
|
|---|
| 124 | default:
|
|---|
| 125 | impl = "Unknown";
|
|---|
| 126 | break;
|
|---|
| 127 | }
|
|---|
| 128 |
|
|---|
| 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);
|
|---|
| 131 | }
|
|---|
| 132 |
|
|---|
| 133 | /** @}
|
|---|
| 134 | */
|
|---|
