WebSVN – HelenOS – Diff – /branches/sparc/kernel/arch/sparc64/src/cpu/cpu.c


/*
 * Copyright (c) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup sparc64
 * @{
 */
/** @file
 */
 
#include <cpu.h>
#include <arch.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch/drivers/tick.h>
#include <print.h>
#include <arch/cpu_node.h>
 
/** Perform sparc64 specific initialization of the processor structure for the
 * current processor.
 */
void cpu_arch_init(void)
{
    ofw_tree_node_t *node;
    uint32_t mid;
    uint32_t clock_frequency = 0;
    icbus_config_t icbus_config;
   
    icbus_config.value = icbus_config_read();
    CPU->arch.mid = icbus_config.mid;
   
    /*
     * Detect processor frequency.
     */
    node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");
    while (node) {
        ofw_tree_property_t *prop;
 
        prop = ofw_tree_getprop(node, PORTID_NAME);
        if (prop && prop->value) {
            mid = *((uint32_t *) prop->value);
            if (mid == CPU->arch.mid) {
                prop = ofw_tree_getprop(node,
                    "clock-frequency");
                if (prop && prop->value)
                    clock_frequency = *((uint32_t *)
                        prop->value);
            }
        }
        node = ofw_tree_find_peer_by_device_type(node, "cpu");
    }
 
    CPU->arch.clock_frequency = clock_frequency;
    tick_init();
}
 
/** Read version information from the current processor. */
void cpu_identify(void)
{
    CPU->arch.ver.value = ver_read();
}
 
/** Print version information for a processor.
 *
 * This function is called by the bootstrap processor.
 *
 * @param m Processor structure of the CPU for which version information is to
 *  be printed.
 */
void cpu_print_report(cpu_t *m)
{
    char *manuf, *impl;
 
    switch (m->arch.ver.manuf) {
    case MANUF_FUJITSU:
        manuf = "Fujitsu";
        break;
    case MANUF_ULTRASPARC:
        manuf = "UltraSPARC";
        break;
    case MANUF_SUN:
            manuf = "Sun";
        break;
    default:
        manuf = "Unknown";
        break;
    }
   
    switch (CPU->arch.ver.impl) {
    case IMPL_ULTRASPARCI:
        impl = "UltraSPARC I";
        break;
    case IMPL_ULTRASPARCII:
        impl = "UltraSPARC II";
        break;
    case IMPL_ULTRASPARCII_I:
        impl = "UltraSPARC IIi";
        break;
    case IMPL_ULTRASPARCII_E:
        impl = "UltraSPARC IIe";
        break;
    case IMPL_ULTRASPARCIII:
        impl = "UltraSPARC III";
        break;
    case IMPL_ULTRASPARCIII_PLUS:
        impl = "UltraSPARC III+";
        break;
    case IMPL_ULTRASPARCIII_I:
        impl = "UltraSPARC IIIi";
        break;
    case IMPL_ULTRASPARCIV:
        impl = "UltraSPARC IV";
        break;
    case IMPL_ULTRASPARCIV_PLUS:
        impl = "UltraSPARC IV+";
        break;
    case IMPL_SPARC64V:
        impl = "SPARC 64V";
        break;
    default:
        impl = "Unknown";
        break;
    }
 
    printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf,
        impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
}
 
/** @}
 */
 

Rev 3479	Rev 3489
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	#include <arch/cpu_node.h>	40	#include <arch/cpu_node.h>
41		41
42	/** Perform sparc64 specific initialization of the processor structure for the	42	/** Perform sparc64 specific initialization of the processor structure for the
43	* current processor.	43	* current processor.
44	*/	44	*/
45	void cpu_arch_init(void)	45	void cpu_arch_init(void)
46	{	46	{
47	ofw_tree_node_t *node;	47	ofw_tree_node_t *node;
48	uint32_t mid;	48	uint32_t mid;
49	uint32_t clock_frequency = 0;	49	uint32_t clock_frequency = 0;
50	icbus_config_t icbus_config;	50	icbus_config_t icbus_config;
51		51
52	icbus_config.value = icbus_config_read();	52	icbus_config.value = icbus_config_read();
53	CPU->arch.mid = icbus_config.mid;	53	CPU->arch.mid = icbus_config.mid;
54		54
55	/*	55	/*
56	* Detect processor frequency.	56	* Detect processor frequency.
57	*/	57	*/
58	node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");	58	node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu");
59	while (node) {	59	while (node) {
60	ofw_tree_property_t *prop;	60	ofw_tree_property_t *prop;
61		61
62	prop = ofw_tree_getprop(node, PORTID_NAME);	62	prop = ofw_tree_getprop(node, PORTID_NAME);
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,	66	prop = ofw_tree_getprop(node,
67	"clock-frequency");	67	"clock-frequency");
68	if (prop && prop->value)	68	if (prop && prop->value)
69	clock_frequency = ((uint32_t )	69	clock_frequency = ((uint32_t )
70	prop->value);	70	prop->value);
71	}	71	}
72	}	72	}
73	node = ofw_tree_find_peer_by_device_type(node, "cpu");	73	node = ofw_tree_find_peer_by_device_type(node, "cpu");
74	}	74	}
75		75
76	CPU->arch.clock_frequency = clock_frequency;	76	CPU->arch.clock_frequency = clock_frequency;
77	tick_init();	77	tick_init();
78	}	78	}
79		79
80	/** Read version information from the current processor. */	80	/** Read version information from the current processor. */
81	void cpu_identify(void)	81	void cpu_identify(void)
82	{	82	{
83	CPU->arch.ver.value = ver_read();	83	CPU->arch.ver.value = ver_read();
84	}	84	}
85		85
86	/** Print version information for a processor.	86	/** Print version information for a processor.
87	*	87	*
88	* This function is called by the bootstrap processor.	88	* This function is called by the bootstrap processor.
89	*	89	*
90	* @param m Processor structure of the CPU for which version information is to	90	* @param m Processor structure of the CPU for which version information is to
91	* be printed.	91	* be printed.
92	*/	92	*/
93	void cpu_print_report(cpu_t *m)	93	void cpu_print_report(cpu_t *m)
94	{	94	{
95	char manuf, impl;	95	char manuf, impl;
96		96
97	switch (m->arch.ver.manuf) {	97	switch (m->arch.ver.manuf) {
98	case MANUF_FUJITSU:	98	case MANUF_FUJITSU:
99	manuf = "Fujitsu";	99	manuf = "Fujitsu";
100	break;	100	break;
101	case MANUF_ULTRASPARC:	101	case MANUF_ULTRASPARC:
102	manuf = "UltraSPARC";	102	manuf = "UltraSPARC";
103	break;	103	break;
104	case MANUF_SUN:	104	case MANUF_SUN:
105	manuf = "Sun";	105	manuf = "Sun";
106	break;	106	break;
107	default:	107	default:
108	manuf = "Unknown";	108	manuf = "Unknown";
109	break;	109	break;
110	}	110	}
111		111
112	switch (CPU->arch.ver.impl) {	112	switch (CPU->arch.ver.impl) {
113	case IMPL_ULTRASPARCI:	113	case IMPL_ULTRASPARCI:
114	impl = "UltraSPARC I";	114	impl = "UltraSPARC I";
115	break;	115	break;
116	case IMPL_ULTRASPARCII:	116	case IMPL_ULTRASPARCII:
117	impl = "UltraSPARC II";	117	impl = "UltraSPARC II";
118	break;	118	break;
119	case IMPL_ULTRASPARCII_I:	119	case IMPL_ULTRASPARCII_I:
120	impl = "UltraSPARC IIi";	120	impl = "UltraSPARC IIi";
121	break;	121	break;
122	case IMPL_ULTRASPARCII_E:	122	case IMPL_ULTRASPARCII_E:
123	impl = "UltraSPARC IIe";	123	impl = "UltraSPARC IIe";
124	break;	124	break;
125	case IMPL_ULTRASPARCIII:	125	case IMPL_ULTRASPARCIII:
126	impl = "UltraSPARC III";	126	impl = "UltraSPARC III";
127	break;	127	break;
-		128	case IMPL_ULTRASPARCIII_PLUS:
-		129	impl = "UltraSPARC III+";
-		130	break;
-		131	case IMPL_ULTRASPARCIII_I:
-		132	impl = "UltraSPARC IIIi";
-		133	break;
-		134	case IMPL_ULTRASPARCIV:
-		135	impl = "UltraSPARC IV";
-		136	break;
128	case IMPL_ULTRASPARCIV_PLUS:	137	case IMPL_ULTRASPARCIV_PLUS:
129	impl = "UltraSPARC IV+";	138	impl = "UltraSPARC IV+";
130	break;	139	break;
131	case IMPL_SPARC64V:	140	case IMPL_SPARC64V:
132	impl = "SPARC 64V";	141	impl = "SPARC 64V";
133	break;	142	break;
134	default:	143	default:
135	impl = "Unknown";	144	impl = "Unknown";
136	break;	145	break;
137	}	146	}
138		147
139	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf,	148	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf,
140	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);	149	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
141	}	150	}
142		151
143	/** @}	152	/** @}
144	*/	153	*/
145		154

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(root)/branches/sparc/kernel/arch/sparc64/src/cpu/cpu.c – Rev 3479 → 3489