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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 <cpu.h> |
35 | #include <cpu.h> |
36 | #include <arch.h> |
36 | #include <arch.h> |
37 | #include <genarch/ofw/ofw_tree.h> |
37 | #include <genarch/ofw/ofw_tree.h> |
38 | #include <arch/drivers/tick.h> |
38 | #include <arch/drivers/tick.h> |
39 | #include <print.h> |
39 | #include <print.h> |
40 | 40 | ||
41 | /** Perform sparc64 specific initialization of the processor structure for the |
41 | /** Perform sparc64 specific initialization of the processor structure for the |
42 | * current processor. |
42 | * current processor. |
43 | */ |
43 | */ |
44 | void cpu_arch_init(void) |
44 | void cpu_arch_init(void) |
45 | { |
45 | { |
46 | ofw_tree_node_t *node; |
46 | ofw_tree_node_t *node; |
47 | uint32_t mid; |
47 | uint32_t mid; |
48 | uint32_t clock_frequency = 0; |
48 | uint32_t clock_frequency = 0; |
49 | upa_config_t upa_config; |
49 | upa_config_t upa_config; |
50 | 50 | ||
51 | upa_config.value = upa_config_read(); |
51 | upa_config.value = upa_config_read(); |
52 | CPU->arch.mid = upa_config.mid; |
52 | CPU->arch.mid = upa_config.mid; |
53 | 53 | ||
- | 54 | #if (defined(CONFIG_SMP) && defined(CONFIG_VIRT_IDX_DCACHE)) |
|
- | 55 | CPU->arch.dcache_active = 1; |
|
- | 56 | CPU->arch.dcache_message_count = 0; |
|
- | 57 | #endif |
|
- | 58 | ||
54 | /* |
59 | /* |
55 | * Detect processor frequency. |
60 | * Detect processor frequency. |
56 | */ |
61 | */ |
57 | node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu"); |
62 | node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu"); |
58 | while (node) { |
63 | while (node) { |
59 | ofw_tree_property_t *prop; |
64 | ofw_tree_property_t *prop; |
60 | 65 | ||
61 | prop = ofw_tree_getprop(node, "upa-portid"); |
66 | prop = ofw_tree_getprop(node, "upa-portid"); |
62 | if (prop && prop->value) { |
67 | if (prop && prop->value) { |
63 | mid = *((uint32_t *) prop->value); |
68 | mid = *((uint32_t *) prop->value); |
64 | if (mid == CPU->arch.mid) { |
69 | if (mid == CPU->arch.mid) { |
65 | prop = ofw_tree_getprop(node, |
70 | prop = ofw_tree_getprop(node, |
66 | "clock-frequency"); |
71 | "clock-frequency"); |
67 | if (prop && prop->value) |
72 | if (prop && prop->value) |
68 | clock_frequency = *((uint32_t *) |
73 | clock_frequency = *((uint32_t *) |
69 | prop->value); |
74 | prop->value); |
70 | } |
75 | } |
71 | } |
76 | } |
72 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
77 | node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
73 | } |
78 | } |
74 | 79 | ||
75 | CPU->arch.clock_frequency = clock_frequency; |
80 | CPU->arch.clock_frequency = clock_frequency; |
76 | tick_init(); |
81 | tick_init(); |
77 | } |
82 | } |
78 | 83 | ||
79 | /** Read version information from the current processor. */ |
84 | /** Read version information from the current processor. */ |
80 | void cpu_identify(void) |
85 | void cpu_identify(void) |
81 | { |
86 | { |
82 | CPU->arch.ver.value = ver_read(); |
87 | CPU->arch.ver.value = ver_read(); |
83 | } |
88 | } |
84 | 89 | ||
85 | /** Print version information for a processor. |
90 | /** Print version information for a processor. |
86 | * |
91 | * |
87 | * This function is called by the bootstrap processor. |
92 | * This function is called by the bootstrap processor. |
88 | * |
93 | * |
89 | * @param m Processor structure of the CPU for which version information is to |
94 | * @param m Processor structure of the CPU for which version information is to |
90 | * be printed. |
95 | * be printed. |
91 | */ |
96 | */ |
92 | void cpu_print_report(cpu_t *m) |
97 | void cpu_print_report(cpu_t *m) |
93 | { |
98 | { |
94 | char *manuf, *impl; |
99 | char *manuf, *impl; |
95 | 100 | ||
96 | switch (m->arch.ver.manuf) { |
101 | switch (m->arch.ver.manuf) { |
97 | case MANUF_FUJITSU: |
102 | case MANUF_FUJITSU: |
98 | manuf = "Fujitsu"; |
103 | manuf = "Fujitsu"; |
99 | break; |
104 | break; |
100 | case MANUF_ULTRASPARC: |
105 | case MANUF_ULTRASPARC: |
101 | manuf = "UltraSPARC"; |
106 | manuf = "UltraSPARC"; |
102 | break; |
107 | break; |
103 | case MANUF_SUN: |
108 | case MANUF_SUN: |
104 | manuf = "Sun"; |
109 | manuf = "Sun"; |
105 | break; |
110 | break; |
106 | default: |
111 | default: |
107 | manuf = "Unknown"; |
112 | manuf = "Unknown"; |
108 | break; |
113 | break; |
109 | } |
114 | } |
110 | 115 | ||
111 | switch (CPU->arch.ver.impl) { |
116 | switch (CPU->arch.ver.impl) { |
112 | case IMPL_ULTRASPARCI: |
117 | case IMPL_ULTRASPARCI: |
113 | impl = "UltraSPARC I"; |
118 | impl = "UltraSPARC I"; |
114 | break; |
119 | break; |
115 | case IMPL_ULTRASPARCII: |
120 | case IMPL_ULTRASPARCII: |
116 | impl = "UltraSPARC II"; |
121 | impl = "UltraSPARC II"; |
117 | break; |
122 | break; |
118 | case IMPL_ULTRASPARCII_I: |
123 | case IMPL_ULTRASPARCII_I: |
119 | impl = "UltraSPARC IIi"; |
124 | impl = "UltraSPARC IIi"; |
120 | break; |
125 | break; |
121 | case IMPL_ULTRASPARCII_E: |
126 | case IMPL_ULTRASPARCII_E: |
122 | impl = "UltraSPARC IIe"; |
127 | impl = "UltraSPARC IIe"; |
123 | break; |
128 | break; |
124 | case IMPL_ULTRASPARCIII: |
129 | case IMPL_ULTRASPARCIII: |
125 | impl = "UltraSPARC III"; |
130 | impl = "UltraSPARC III"; |
126 | break; |
131 | break; |
127 | case IMPL_ULTRASPARCIV_PLUS: |
132 | case IMPL_ULTRASPARCIV_PLUS: |
128 | impl = "UltraSPARC IV+"; |
133 | impl = "UltraSPARC IV+"; |
129 | break; |
134 | break; |
130 | case IMPL_SPARC64V: |
135 | case IMPL_SPARC64V: |
131 | impl = "SPARC 64V"; |
136 | impl = "SPARC 64V"; |
132 | break; |
137 | break; |
133 | default: |
138 | default: |
134 | impl = "Unknown"; |
139 | impl = "Unknown"; |
135 | break; |
140 | break; |
136 | } |
141 | } |
137 | 142 | ||
138 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf, |
143 | printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf, |
139 | impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
144 | impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
140 | } |
145 | } |
141 | 146 | ||
142 | /** @} |
147 | /** @} |
143 | */ |
148 | */ |
144 | 149 |