WebSVN – HelenOS – Diff – /trunk/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>
 
/** 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;
    upa_config_t upa_config;
   
    upa_config.value = upa_config_read();
    CPU->arch.mid = upa_config.mid;
   
 
 
 
 
 
    /*
     * Detect processor frequency.
     */
    node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
    while (node) {
        ofw_tree_property_t *prop;
       
        prop = ofw_tree_getprop(node, "upa-portid");
        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_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 (%dMHz)\n", m->id, manuf,
        impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
}
 
/** @}
 */
 

Rev 2134	Rev 2141
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		-
59	/*	54	/*
60	* Detect processor frequency.	55	* Detect processor frequency.
61	*/	56	*/
62	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");	57	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
63	while (node) {	58	while (node) {
64	ofw_tree_property_t *prop;	59	ofw_tree_property_t *prop;
65		60
66	prop = ofw_tree_getprop(node, "upa-portid");	61	prop = ofw_tree_getprop(node, "upa-portid");
67	if (prop && prop->value) {	62	if (prop && prop->value) {
68	mid = ((uint32_t ) prop->value);	63	mid = ((uint32_t ) prop->value);
69	if (mid == CPU->arch.mid) {	64	if (mid == CPU->arch.mid) {
70	prop = ofw_tree_getprop(node,	65	prop = ofw_tree_getprop(node,
71	"clock-frequency");	66	"clock-frequency");
72	if (prop && prop->value)	67	if (prop && prop->value)
73	clock_frequency = ((uint32_t )	68	clock_frequency = ((uint32_t )
74	prop->value);	69	prop->value);
75	}	70	}
76	}	71	}
77	node = ofw_tree_find_peer_by_device_type(node, "cpu");	72	node = ofw_tree_find_peer_by_device_type(node, "cpu");
78	}	73	}
79		74
80	CPU->arch.clock_frequency = clock_frequency;	75	CPU->arch.clock_frequency = clock_frequency;
81	tick_init();	76	tick_init();
82	}	77	}
83		78
84	/** Read version information from the current processor. */	79	/** Read version information from the current processor. */
85	void cpu_identify(void)	80	void cpu_identify(void)
86	{	81	{
87	CPU->arch.ver.value = ver_read();	82	CPU->arch.ver.value = ver_read();
88	}	83	}
89		84
90	/** Print version information for a processor.	85	/** Print version information for a processor.
91	*	86	*
92	* This function is called by the bootstrap processor.	87	* This function is called by the bootstrap processor.
93	*	88	*
94	* @param m Processor structure of the CPU for which version information is to	89	* @param m Processor structure of the CPU for which version information is to
95	* be printed.	90	* be printed.
96	*/	91	*/
97	void cpu_print_report(cpu_t *m)	92	void cpu_print_report(cpu_t *m)
98	{	93	{
99	char manuf, impl;	94	char manuf, impl;
100		95
101	switch (m->arch.ver.manuf) {	96	switch (m->arch.ver.manuf) {
102	case MANUF_FUJITSU:	97	case MANUF_FUJITSU:
103	manuf = "Fujitsu";	98	manuf = "Fujitsu";
104	break;	99	break;
105	case MANUF_ULTRASPARC:	100	case MANUF_ULTRASPARC:
106	manuf = "UltraSPARC";	101	manuf = "UltraSPARC";
107	break;	102	break;
108	case MANUF_SUN:	103	case MANUF_SUN:
109	manuf = "Sun";	104	manuf = "Sun";
110	break;	105	break;
111	default:	106	default:
112	manuf = "Unknown";	107	manuf = "Unknown";
113	break;	108	break;
114	}	109	}
115		110
116	switch (CPU->arch.ver.impl) {	111	switch (CPU->arch.ver.impl) {
117	case IMPL_ULTRASPARCI:	112	case IMPL_ULTRASPARCI:
118	impl = "UltraSPARC I";	113	impl = "UltraSPARC I";
119	break;	114	break;
120	case IMPL_ULTRASPARCII:	115	case IMPL_ULTRASPARCII:
121	impl = "UltraSPARC II";	116	impl = "UltraSPARC II";
122	break;	117	break;
123	case IMPL_ULTRASPARCII_I:	118	case IMPL_ULTRASPARCII_I:
124	impl = "UltraSPARC IIi";	119	impl = "UltraSPARC IIi";
125	break;	120	break;
126	case IMPL_ULTRASPARCII_E:	121	case IMPL_ULTRASPARCII_E:
127	impl = "UltraSPARC IIe";	122	impl = "UltraSPARC IIe";
128	break;	123	break;
129	case IMPL_ULTRASPARCIII:	124	case IMPL_ULTRASPARCIII:
130	impl = "UltraSPARC III";	125	impl = "UltraSPARC III";
131	break;	126	break;
132	case IMPL_ULTRASPARCIV_PLUS:	127	case IMPL_ULTRASPARCIV_PLUS:
133	impl = "UltraSPARC IV+";	128	impl = "UltraSPARC IV+";
134	break;	129	break;
135	case IMPL_SPARC64V:	130	case IMPL_SPARC64V:
136	impl = "SPARC 64V";	131	impl = "SPARC 64V";
137	break;	132	break;
138	default:	133	default:
139	impl = "Unknown";	134	impl = "Unknown";
140	break;	135	break;
141	}	136	}
142		137
143	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,	138	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n", m->id, manuf,
144	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);	139	impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000);
145	}	140	}
146		141
147	/** @}	142	/** @}
148	*/	143	*/
149		144

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(root)/trunk/kernel/arch/sparc64/src/cpu/cpu.c – Rev 2134 → 2141