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 <arch/asm.h>
#include <cpu.h>
#include <arch.h>
#include <print.h>
#include <arch/register.h>
#include <genarch/ofw/ofw_tree.h>
#include <arch/types.h>
#include <arch/drivers/tick.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;
   
    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 1899	Rev 1903
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/asm.h>	35	#include <arch/asm.h>
36	#include <cpu.h>	36	#include <cpu.h>
37	#include <arch.h>	37	#include <arch.h>
38	#include <print.h>	38	#include <print.h>
39	#include <arch/register.h>	39	#include <arch/register.h>
40	#include <genarch/ofw/ofw_tree.h>	40	#include <genarch/ofw/ofw_tree.h>
41	#include <arch/types.h>	41	#include <arch/types.h>
42	#include <arch/drivers/tick.h>	42	#include <arch/drivers/tick.h>
43		43
44	/** Perform sparc64 specific initialization of the processor structure for the current processor. */	44	/** Perform sparc64 specific initialization of the processor structure for the current processor. */
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	upa_config_t upa_config;	50	upa_config_t upa_config;
51		51
52	upa_config.value = upa_config_read();	52	upa_config.value = upa_config_read();
-		53	CPU->arch.mid = upa_config.mid;
-		54
53	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");	55	node = ofw_tree_find_child_by_device_type(ofw_tree_lookup("/"), "cpu");
54	while (node) {	56	while (node) {
55	ofw_tree_property_t *prop;	57	ofw_tree_property_t *prop;
56		58
57	prop = ofw_tree_getprop(node, "upa-portid");	59	prop = ofw_tree_getprop(node, "upa-portid");
58	if (prop && prop->value) {	60	if (prop && prop->value) {
59	mid = ((uint32_t ) prop->value);	61	mid = ((uint32_t ) prop->value);
60	if (mid == upa_config.mid) {	62	if (mid == CPU->arch.mid) {
61	prop = ofw_tree_getprop(node, "clock-frequency");	63	prop = ofw_tree_getprop(node, "clock-frequency");
62	if (prop && prop->value)	64	if (prop && prop->value)
63	clock_frequency = ((uint32_t ) prop->value);	65	clock_frequency = ((uint32_t ) prop->value);
64	}	66	}
65	}	67	}
66	node = ofw_tree_find_peer_by_device_type(node, "cpu");	68	node = ofw_tree_find_peer_by_device_type(node, "cpu");
67	}	69	}
68		70
69	CPU->arch.clock_frequency = clock_frequency;	71	CPU->arch.clock_frequency = clock_frequency;
70	tick_init();	72	tick_init();
71	}	73	}
72		74
73	/** Read version information from the current processor. */	75	/** Read version information from the current processor. */
74	void cpu_identify(void)	76	void cpu_identify(void)
75	{	77	{
76	CPU->arch.ver.value = ver_read();	78	CPU->arch.ver.value = ver_read();
77	}	79	}
78		80
79	/** Print version information for a processor.	81	/** Print version information for a processor.
80	*	82	*
-		83	* This function is called by the bootstrap processor.
-		84	*
81	* @param m Processor structure of the CPU for which version information is to be printed.	85	* @param m Processor structure of the CPU for which version information is to be printed.
82	*/	86	*/
83	void cpu_print_report(cpu_t *m)	87	void cpu_print_report(cpu_t *m)
84	{	88	{
85	char manuf, impl;	89	char manuf, impl;
86		90
87	switch (CPU->arch.ver.manuf) {	91	switch (m->arch.ver.manuf) {
88	case MANUF_FUJITSU:	92	case MANUF_FUJITSU:
89	manuf = "Fujitsu";	93	manuf = "Fujitsu";
90	break;	94	break;
91	case MANUF_ULTRASPARC:	95	case MANUF_ULTRASPARC:
92	manuf = "UltraSPARC";	96	manuf = "UltraSPARC";
93	break;	97	break;
94	case MANUF_SUN:	98	case MANUF_SUN:
95	manuf = "Sun";	99	manuf = "Sun";
96	break;	100	break;
97	default:	101	default:
98	manuf = "Unknown";	102	manuf = "Unknown";
99	break;	103	break;
100	}	104	}
101		105
102	switch (CPU->arch.ver.impl) {	106	switch (CPU->arch.ver.impl) {
103	case IMPL_ULTRASPARCI:	107	case IMPL_ULTRASPARCI:
104	impl = "UltraSPARC I";	108	impl = "UltraSPARC I";
105	break;	109	break;
106	case IMPL_ULTRASPARCII:	110	case IMPL_ULTRASPARCII:
107	impl = "UltraSPARC II";	111	impl = "UltraSPARC II";
108	break;	112	break;
109	case IMPL_ULTRASPARCII_I:	113	case IMPL_ULTRASPARCII_I:
110	impl = "UltraSPARC IIi";	114	impl = "UltraSPARC IIi";
111	break;	115	break;
112	case IMPL_ULTRASPARCII_E:	116	case IMPL_ULTRASPARCII_E:
113	impl = "UltraSPARC IIe";	117	impl = "UltraSPARC IIe";
114	break;	118	break;
115	case IMPL_ULTRASPARCIII:	119	case IMPL_ULTRASPARCIII:
116	impl = "UltraSPARC III";	120	impl = "UltraSPARC III";
117	break;	121	break;
118	case IMPL_ULTRASPARCIV_PLUS:	122	case IMPL_ULTRASPARCIV_PLUS:
119	impl = "UltraSPARC IV+";	123	impl = "UltraSPARC IV+";
120	break;	124	break;
121	case IMPL_SPARC64V:	125	case IMPL_SPARC64V:
122	impl = "SPARC 64V";	126	impl = "SPARC 64V";
123	break;	127	break;
124	default:	128	default:
125	impl = "Unknown";	129	impl = "Unknown";
126	break;	130	break;
127	}	131	}
128		132
129	printf("cpu%d: manuf=%s, impl=%s, mask=%d (%dMHz)\n",	133	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);	134	m->id, manuf, impl, m->arch.ver.mask, m->arch.clock_frequency/1000000);
131	}	135	}
132		136
133	/** @}	137	/** @}
134	*/	138	*/
135		139

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/src/cpu/cpu.c – Rev 1899 → 1903