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| Rev | Author | Line No. | Line |
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| 418 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
| 418 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1731 | jermar | 29 | /** @addtogroup sparc64 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1860 | jermar | 35 | #ifndef KERN_sparc64_CPU_H_ |
| 36 | #define KERN_sparc64_CPU_H_ |
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| 418 | jermar | 37 | |
| 640 | jermar | 38 | #define MANUF_FUJITSU 0x04 |
| 39 | #define MANUF_ULTRASPARC 0x17 /**< UltraSPARC I, UltraSPARC II */ |
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| 40 | #define MANUF_SUN 0x3e |
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| 41 | |||
| 42 | #define IMPL_ULTRASPARCI 0x10 |
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| 43 | #define IMPL_ULTRASPARCII 0x11 |
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| 44 | #define IMPL_ULTRASPARCII_I 0x12 |
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| 45 | #define IMPL_ULTRASPARCII_E 0x13 |
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| 3479 | rimsky | 46 | #define IMPL_ULTRASPARCIII 0x14 |
| 47 | #define IMPL_ULTRASPARCIII_PLUS 0x15 |
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| 48 | #define IMPL_ULTRASPARCIII_I 0x16 |
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| 49 | #define IMPL_ULTRASPARCIV 0x18 |
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| 640 | jermar | 50 | #define IMPL_ULTRASPARCIV_PLUS 0x19 |
| 51 | |||
| 52 | #define IMPL_SPARC64V 0x5 |
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| 53 | |||
| 3664 | rimsky | 54 | #ifndef __ASM__ |
| 55 | |||
| 56 | #include <arch/types.h> |
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| 57 | #include <typedefs.h> |
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| 58 | #include <arch/register.h> |
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| 3743 | rimsky | 59 | #include <arch/sun4u/regdef.h> |
| 3664 | rimsky | 60 | #include <arch/asm.h> |
| 3743 | rimsky | 61 | #include <arch/sun4u/arch.h> |
| 3664 | rimsky | 62 | |
| 63 | #ifdef CONFIG_SMP |
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| 64 | #include <arch/mm/cache.h> |
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| 65 | #endif |
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| 66 | |||
| 2079 | decky | 67 | typedef struct { |
| 2134 | jermar | 68 | uint32_t mid; /**< Processor ID as read from |
| 3477 | rimsky | 69 | UPA_CONFIG/FIREPLANE_CONFIG. */ |
| 640 | jermar | 70 | ver_reg_t ver; |
| 2046 | jermar | 71 | uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
| 2044 | jermar | 72 | uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
| 2134 | jermar | 73 | generated when the TICK register |
| 74 | matches this value. */ |
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| 2079 | decky | 75 | } cpu_arch_t; |
| 3664 | rimsky | 76 | |
| 77 | |||
| 78 | /** |
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| 79 | * Reads the module ID (agent ID/CPUID) of the current CPU. |
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| 80 | */ |
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| 81 | static inline uint32_t read_mid(void) |
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| 82 | { |
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| 83 | uint64_t icbus_config = asi_u64_read(ASI_ICBUS_CONFIG, 0); |
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| 84 | icbus_config = icbus_config >> ICBUS_CONFIG_MID_SHIFT; |
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| 85 | #if defined (US) |
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| 86 | return icbus_config & 0x1f; |
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| 87 | #elif defined (US3) |
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| 88 | if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIII_I) |
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| 89 | return icbus_config & 0x1f; |
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| 90 | else |
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| 91 | return icbus_config & 0x3ff; |
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| 3743 | rimsky | 92 | #else |
| 93 | panic("Not implemented for this architecture."); |
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| 94 | return 0; |
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| 418 | jermar | 95 | #endif |
| 3664 | rimsky | 96 | } |
| 1702 | cejka | 97 | |
| 3664 | rimsky | 98 | #endif |
| 99 | |||
| 100 | #endif |
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| 101 | |||
| 1731 | jermar | 102 | /** @} |
| 1702 | cejka | 103 | */ |