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1 | jermar | 1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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3 | * All rights reserved. |
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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 | |||
29 | #include <arch.h> |
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30 | |||
31 | #include <arch/types.h> |
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32 | #include <typedefs.h> |
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33 | |||
34 | #include <arch/pm.h> |
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35 | |||
36 | #include <arch/ega.h> |
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37 | #include <arch/i8042.h> |
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38 | #include <arch/i8254.h> |
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39 | #include <arch/i8259.h> |
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40 | |||
41 | #include <arch/context.h> |
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42 | |||
43 | #include <config.h> |
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44 | |||
45 | #include <arch/interrupt.h> |
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28 | jermar | 46 | #include <arch/asm.h> |
452 | decky | 47 | #include <genarch/acpi/acpi.h> |
195 | vana | 48 | |
49 | #include <arch/bios/bios.h> |
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50 | |||
187 | cejka | 51 | #include <arch/mm/memory_init.h> |
576 | palkovsky | 52 | #include <interrupt.h> |
1 | jermar | 53 | |
26 | jermar | 54 | void arch_pre_mm_init(void) |
1 | jermar | 55 | { |
56 | pm_init(); |
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57 | |||
58 | if (config.cpu_active == 1) { |
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30 | jermar | 59 | bios_init(); |
125 | jermar | 60 | i8259_init(); /* PIC */ |
1 | jermar | 61 | i8254_init(); /* hard clock */ |
235 | decky | 62 | |
576 | palkovsky | 63 | exc_register(VECTOR_SYSCALL, "syscall", syscall); |
5 | jermar | 64 | |
458 | decky | 65 | #ifdef CONFIG_SMP |
576 | palkovsky | 66 | exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
67 | tlb_shootdown_ipi); |
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458 | decky | 68 | #endif /* CONFIG_SMP */ |
1 | jermar | 69 | } |
70 | } |
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71 | |||
72 | decky | 72 | void arch_post_mm_init(void) |
23 | jermar | 73 | { |
24 | jermar | 74 | if (config.cpu_active == 1) { |
75 | ega_init(); /* video */ |
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32 | jermar | 76 | } |
77 | } |
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78 | |||
503 | jermar | 79 | void arch_pre_smp_init(void) |
32 | jermar | 80 | { |
81 | if (config.cpu_active == 1) { |
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187 | cejka | 82 | memory_print_map(); |
83 | |||
458 | decky | 84 | #ifdef CONFIG_SMP |
29 | jermar | 85 | acpi_init(); |
458 | decky | 86 | #endif /* CONFIG_SMP */ |
24 | jermar | 87 | } |
23 | jermar | 88 | } |
89 | |||
503 | jermar | 90 | void arch_post_smp_init(void) |
91 | { |
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512 | jermar | 92 | i8042_init(); /* keyboard controller */ |
503 | jermar | 93 | } |
94 | |||
1 | jermar | 95 | void calibrate_delay_loop(void) |
96 | { |
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97 | i8254_calibrate_delay_loop(); |
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514 | jermar | 98 | if (config.cpu_active == 1) { |
99 | /* |
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100 | * This has to be done only on UP. |
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101 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
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102 | */ |
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103 | i8254_normal_operation(); |
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104 | } |
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1 | jermar | 105 | } |