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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Jermar |
2 | * Copyright (c) 2005 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup sparc64 |
29 | /** @addtogroup sparc64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch/cpu_family.h> |
35 | #include <arch/sun4u/cpu_family.h> |
36 | #include <cpu.h> |
36 | #include <cpu.h> |
37 | #include <arch.h> |
37 | #include <arch.h> |
38 | #include <genarch/ofw/ofw_tree.h> |
38 | #include <genarch/ofw/ofw_tree.h> |
39 | #include <arch/drivers/tick.h> |
39 | #include <arch/drivers/tick.h> |
40 | #include <print.h> |
40 | #include <print.h> |
41 | #include <arch/cpu_node.h> |
41 | #include <arch/sun4u/cpu_node.h> |
42 | #include <arch/cpu.h> |
42 | #include <arch/cpu.h> |
43 | 43 | ||
44 | /** |
44 | /** |
45 | * Finds out the clock frequency of the current CPU. |
45 | * Finds out the clock frequency of the current CPU. |
46 | * |
46 | * |
47 | * @param node node representing the current CPU in the OFW tree |
47 | * @param node node representing the current CPU in the OFW tree |
48 | * @return clock frequency if "node" is the current CPU and no error |
48 | * @return clock frequency if "node" is the current CPU and no error |
49 | * occurs, -1 if "node" is not the current CPU or on error |
49 | * occurs, -1 if "node" is not the current CPU or on error |
50 | */ |
50 | */ |
51 | static int find_cpu_frequency(ofw_tree_node_t *node) |
51 | static int find_cpu_frequency(ofw_tree_node_t *node) |
52 | { |
52 | { |
53 | ofw_tree_property_t *prop; |
53 | ofw_tree_property_t *prop; |
54 | uint32_t mid; |
54 | uint32_t mid; |
55 | 55 | ||
56 | /* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */ |
56 | /* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */ |
57 | prop = ofw_tree_getprop(node, "upa-portid"); |
57 | prop = ofw_tree_getprop(node, "upa-portid"); |
58 | if ((!prop) || (!prop->value)) |
58 | if ((!prop) || (!prop->value)) |
59 | prop = ofw_tree_getprop(node, "portid"); |
59 | prop = ofw_tree_getprop(node, "portid"); |
60 | if ((!prop) || (!prop->value)) |
60 | if ((!prop) || (!prop->value)) |
61 | prop = ofw_tree_getprop(node, "cpuid"); |
61 | prop = ofw_tree_getprop(node, "cpuid"); |
62 | 62 | ||
63 | if (prop && prop->value) { |
63 | if (prop && prop->value) { |
64 | mid = *((uint32_t *) prop->value); |
64 | mid = *((uint32_t *) prop->value); |
65 | if (mid == CPU->arch.mid) { |
65 | if (mid == CPU->arch.mid) { |
66 | prop = ofw_tree_getprop(node, "clock-frequency"); |
66 | prop = ofw_tree_getprop(node, "clock-frequency"); |
67 | if (prop && prop->value) { |
67 | if (prop && prop->value) { |
68 | return *((uint32_t *) prop->value); |
68 | return *((uint32_t *) prop->value); |
69 | } |
69 | } |
70 | } |
70 | } |
71 | } |
71 | } |
72 | 72 | ||
73 | return -1; |
73 | return -1; |
74 | } |
74 | } |
75 | 75 | ||
76 | /** Perform sparc64 specific initialization of the processor structure for the |
76 | /** Perform sparc64 specific initialization of the processor structure for the |
77 | * current processor. |
77 | * current processor. |
78 | */ |
78 | */ |
79 | void cpu_arch_init(void) |
79 | void cpu_arch_init(void) |
80 | { |
80 | { |
81 | ofw_tree_node_t *node; |
81 | ofw_tree_node_t *node; |
82 | uint32_t clock_frequency = 0; |
82 | uint32_t clock_frequency = 0; |
83 | 83 | ||
84 | CPU->arch.mid = read_mid(); |
84 | CPU->arch.mid = read_mid(); |
85 | 85 | ||
86 | /* |
86 | /* |
87 | * Detect processor frequency. |
87 | * Detect processor frequency. |
88 | */ |
88 | */ |
89 | if (is_us() || is_us_iii()) { |
89 | if (is_us() || is_us_iii()) { |
90 | node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
90 | node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
91 | while (node) { |
91 | while (node) { |
92 | int f = find_cpu_frequency(node); |
92 | int f = find_cpu_frequency(node); |
93 | if (f != -1) |
93 | if (f != -1) |
94 | clock_frequency = (uint32_t) f; |
94 | clock_frequency = (uint32_t) f; |
95 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
95 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
96 | } |
96 | } |
97 | } else if (is_us_iv()) { |
97 | } else if (is_us_iv()) { |
98 | node = ofw_tree_find_child(cpus_parent(), "cmp"); |
98 | node = ofw_tree_find_child(cpus_parent(), "cmp"); |
99 | while (node) { |
99 | while (node) { |
100 | int f; |
100 | int f; |
101 | f = find_cpu_frequency( |
101 | f = find_cpu_frequency( |
102 | ofw_tree_find_child(node, "cpu@0")); |
102 | ofw_tree_find_child(node, "cpu@0")); |
103 | if (f != -1) |
103 | if (f != -1) |
104 | clock_frequency = (uint32_t) f; |
104 | clock_frequency = (uint32_t) f; |
105 | f = find_cpu_frequency( |
105 | f = find_cpu_frequency( |
106 | ofw_tree_find_child(node, "cpu@1")); |
106 | ofw_tree_find_child(node, "cpu@1")); |
107 | if (f != -1) |
107 | if (f != -1) |
108 | clock_frequency = (uint32_t) f; |
108 | clock_frequency = (uint32_t) f; |
109 | node = ofw_tree_find_peer_by_name(node, "cmp"); |
109 | node = ofw_tree_find_peer_by_name(node, "cmp"); |
110 | } |
110 | } |
111 | } |
111 | } |
112 | 112 | ||
113 | CPU->arch.clock_frequency = clock_frequency; |
113 | CPU->arch.clock_frequency = clock_frequency; |
114 | tick_init(); |
114 | tick_init(); |
115 | } |
115 | } |
116 | 116 | ||
117 | /** Read version information from the current processor. */ |
117 | /** Read version information from the current processor. */ |
118 | void cpu_identify(void) |
118 | void cpu_identify(void) |
119 | { |
119 | { |
120 | CPU->arch.ver.value = ver_read(); |
120 | CPU->arch.ver.value = ver_read(); |
121 | } |
121 | } |
122 | 122 | ||
123 | /** Print version information for a processor. |
123 | /** Print version information for a processor. |
124 | * |
124 | * |
125 | * This function is called by the bootstrap processor. |
125 | * This function is called by the bootstrap processor. |
126 | * |
126 | * |
127 | * @param m Processor structure of the CPU for which version information is to |
127 | * @param m Processor structure of the CPU for which version information is to |
128 | * be printed. |
128 | * be printed. |
129 | */ |
129 | */ |
130 | void cpu_print_report(cpu_t *m) |
130 | void cpu_print_report(cpu_t *m) |
131 | { |
131 | { |
132 | char *manuf, *impl; |
132 | char *manuf, *impl; |
133 | 133 | ||
134 | switch (m->arch.ver.manuf) { |
134 | switch (m->arch.ver.manuf) { |
135 | case MANUF_FUJITSU: |
135 | case MANUF_FUJITSU: |
136 | manuf = "Fujitsu"; |
136 | manuf = "Fujitsu"; |
137 | break; |
137 | break; |
138 | case MANUF_ULTRASPARC: |
138 | case MANUF_ULTRASPARC: |
139 | manuf = "UltraSPARC"; |
139 | manuf = "UltraSPARC"; |
140 | break; |
140 | break; |
141 | case MANUF_SUN: |
141 | case MANUF_SUN: |
142 | manuf = "Sun"; |
142 | manuf = "Sun"; |
143 | break; |
143 | break; |
144 | default: |
144 | default: |
145 | manuf = "Unknown"; |
145 | manuf = "Unknown"; |
146 | break; |
146 | break; |
147 | } |
147 | } |
148 | 148 | ||
149 | switch (CPU->arch.ver.impl) { |
149 | switch (CPU->arch.ver.impl) { |
150 | case IMPL_ULTRASPARCI: |
150 | case IMPL_ULTRASPARCI: |
151 | impl = "UltraSPARC I"; |
151 | impl = "UltraSPARC I"; |
152 | break; |
152 | break; |
153 | case IMPL_ULTRASPARCII: |
153 | case IMPL_ULTRASPARCII: |
154 | impl = "UltraSPARC II"; |
154 | impl = "UltraSPARC II"; |
155 | break; |
155 | break; |
156 | case IMPL_ULTRASPARCII_I: |
156 | case IMPL_ULTRASPARCII_I: |
157 | impl = "UltraSPARC IIi"; |
157 | impl = "UltraSPARC IIi"; |
158 | break; |
158 | break; |
159 | case IMPL_ULTRASPARCII_E: |
159 | case IMPL_ULTRASPARCII_E: |
160 | impl = "UltraSPARC IIe"; |
160 | impl = "UltraSPARC IIe"; |
161 | break; |
161 | break; |
162 | case IMPL_ULTRASPARCIII: |
162 | case IMPL_ULTRASPARCIII: |
163 | impl = "UltraSPARC III"; |
163 | impl = "UltraSPARC III"; |
164 | break; |
164 | break; |
165 | case IMPL_ULTRASPARCIII_PLUS: |
165 | case IMPL_ULTRASPARCIII_PLUS: |
166 | impl = "UltraSPARC III+"; |
166 | impl = "UltraSPARC III+"; |
167 | break; |
167 | break; |
168 | case IMPL_ULTRASPARCIII_I: |
168 | case IMPL_ULTRASPARCIII_I: |
169 | impl = "UltraSPARC IIIi"; |
169 | impl = "UltraSPARC IIIi"; |
170 | break; |
170 | break; |
171 | case IMPL_ULTRASPARCIV: |
171 | case IMPL_ULTRASPARCIV: |
172 | impl = "UltraSPARC IV"; |
172 | impl = "UltraSPARC IV"; |
173 | break; |
173 | break; |
174 | case IMPL_ULTRASPARCIV_PLUS: |
174 | case IMPL_ULTRASPARCIV_PLUS: |
175 | impl = "UltraSPARC IV+"; |
175 | impl = "UltraSPARC IV+"; |
176 | break; |
176 | break; |
177 | case IMPL_SPARC64V: |
177 | case IMPL_SPARC64V: |
178 | impl = "SPARC 64V"; |
178 | impl = "SPARC 64V"; |
179 | break; |
179 | break; |
180 | default: |
180 | default: |
181 | impl = "Unknown"; |
181 | impl = "Unknown"; |
182 | break; |
182 | break; |
183 | } |
183 | } |
184 | 184 | ||
185 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf, |
185 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf, |
186 | impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
186 | impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
187 | } |
187 | } |
188 | 188 | ||
189 | /** @} |
189 | /** @} |
190 | */ |
190 | */ |
191 | 191 |