Subversion Repositories HelenOS

Rev

Rev 3071 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
418 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
418 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1731 jermar 29
/** @addtogroup sparc64
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1860 jermar 35
#ifndef KERN_sparc64_CPU_H_
36
#define KERN_sparc64_CPU_H_
418 jermar 37
 
640 jermar 38
#define MANUF_FUJITSU       0x04
39
#define MANUF_ULTRASPARC    0x17    /**< UltraSPARC I, UltraSPARC II */
40
#define MANUF_SUN       0x3e
41
 
42
#define IMPL_ULTRASPARCI    0x10
43
#define IMPL_ULTRASPARCII   0x11
44
#define IMPL_ULTRASPARCII_I 0x12
45
#define IMPL_ULTRASPARCII_E 0x13
3672 jermar 46
#define IMPL_ULTRASPARCIII  0x14
47
#define IMPL_ULTRASPARCIII_PLUS 0x15
48
#define IMPL_ULTRASPARCIII_I    0x16
49
#define IMPL_ULTRASPARCIV   0x18
640 jermar 50
#define IMPL_ULTRASPARCIV_PLUS  0x19
51
 
52
#define IMPL_SPARC64V       0x5
53
 
3672 jermar 54
#ifndef __ASM__
55
 
56
#include <arch/types.h>
57
#include <typedefs.h>
58
#include <arch/register.h>
59
#include <arch/regdef.h>
60
#include <arch/asm.h>
61
 
62
#ifdef CONFIG_SMP
63
#include <arch/mm/cache.h>
64
#endif
65
 
2079 decky 66
typedef struct {
2134 jermar 67
    uint32_t mid;           /**< Processor ID as read from
3672 jermar 68
                         UPA_CONFIG/FIREPLANE_CONFIG. */
640 jermar 69
    ver_reg_t ver;
2046 jermar 70
    uint32_t clock_frequency;   /**< Processor frequency in Hz. */
2044 jermar 71
    uint64_t next_tick_cmpr;    /**< Next clock interrupt should be
2134 jermar 72
                         generated when the TICK register
73
                         matches this value. */
2079 decky 74
} cpu_arch_t;
3672 jermar 75
 
76
 
77
/**
78
 * Reads the module ID (agent ID/CPUID) of the current CPU.
79
 */
80
static inline uint32_t read_mid(void)
81
{
82
    uint64_t icbus_config = asi_u64_read(ASI_ICBUS_CONFIG, 0);
83
    icbus_config = icbus_config >> ICBUS_CONFIG_MID_SHIFT;
84
#if defined (US)
85
    return icbus_config & 0x1f;
86
#elif defined (US3)
87
    if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIII_I)
88
        return icbus_config & 0x1f;
89
    else
90
        return icbus_config & 0x3ff;
418 jermar 91
#endif
3672 jermar 92
}
1702 cejka 93
 
3672 jermar 94
#endif  
95
 
96
#endif
97
 
1731 jermar 98
/** @}
1702 cejka 99
 */