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| Rev | Author | Line No. | Line |
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| 210 | decky | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Martin Decky |
| 210 | decky | 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 | |||
| 1734 | decky | 29 | /** @addtogroup ppc32 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 2089 | decky | 35 | #include <config.h> |
| 210 | decky | 36 | #include <arch.h> |
| 1132 | decky | 37 | #include <arch/boot/boot.h> |
| 990 | decky | 38 | #include <arch/drivers/cuda.h> |
| 1004 | decky | 39 | #include <arch/interrupt.h> |
| 1374 | decky | 40 | #include <genarch/fb/fb.h> |
| 1993 | decky | 41 | #include <genarch/fb/visuals.h> |
| 1220 | decky | 42 | #include <userspace.h> |
| 43 | #include <proc/uarg.h> |
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| 1474 | palkovsky | 44 | #include <console/console.h> |
| 1928 | decky | 45 | #include <ddi/irq.h> |
| 1480 | palkovsky | 46 | #include <arch/drivers/pic.h> |
| 3922 | decky | 47 | #include <macros.h> |
| 4030 | svoboda | 48 | #include <string.h> |
| 970 | decky | 49 | |
| 3922 | decky | 50 | #define IRQ_COUNT 64 |
| 1928 | decky | 51 | |
| 1132 | decky | 52 | bootinfo_t bootinfo; |
| 53 | |||
| 4023 | svoboda | 54 | /** Performs ppc32-specific initialization before main_bsp() is called. */ |
| 1222 | decky | 55 | void arch_pre_main(void) |
| 56 | { |
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| 1370 | decky | 57 | init.cnt = bootinfo.taskmap.count; |
| 58 | |||
| 1780 | jermar | 59 | uint32_t i; |
| 1370 | decky | 60 | |
| 3922 | decky | 61 | for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) { |
| 1370 | decky | 62 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
| 63 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
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| 4220 | decky | 64 | str_ncpy(init.tasks[i].name, bootinfo.taskmap.tasks[i].name, |
| 4030 | svoboda | 65 | CONFIG_TASK_NAME_BUFLEN); |
| 1370 | decky | 66 | } |
| 1222 | decky | 67 | } |
| 68 | |||
| 210 | decky | 69 | void arch_pre_mm_init(void) |
| 70 | { |
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| 1004 | decky | 71 | /* Initialize dispatch table */ |
| 1007 | decky | 72 | interrupt_init(); |
| 1480 | palkovsky | 73 | |
| 1007 | decky | 74 | /* Start decrementer */ |
| 75 | start_decrementer(); |
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| 210 | decky | 76 | } |
| 77 | |||
| 78 | void arch_post_mm_init(void) |
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| 79 | { |
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| 1304 | palkovsky | 80 | if (config.cpu_active == 1) { |
| 4123 | decky | 81 | |
| 82 | #ifdef CONFIG_FB |
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| 1928 | decky | 83 | /* Initialize framebuffer */ |
| 3829 | decky | 84 | if (bootinfo.screen.addr) { |
| 85 | unsigned int visual; |
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| 86 | |||
| 87 | switch (bootinfo.screen.bpp) { |
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| 88 | case 8: |
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| 89 | visual = VISUAL_INDIRECT_8; |
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| 90 | break; |
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| 91 | case 16: |
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| 92 | visual = VISUAL_RGB_5_5_5; |
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| 93 | break; |
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| 94 | case 24: |
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| 95 | visual = VISUAL_RGB_8_8_8; |
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| 96 | break; |
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| 97 | case 32: |
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| 98 | visual = VISUAL_RGB_0_8_8_8; |
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| 99 | break; |
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| 100 | default: |
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| 101 | panic("Unsupported bits per pixel."); |
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| 102 | } |
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| 103 | fb_properties_t prop = { |
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| 104 | .addr = bootinfo.screen.addr, |
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| 105 | .offset = 0, |
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| 106 | .x = bootinfo.screen.width, |
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| 107 | .y = bootinfo.screen.height, |
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| 108 | .scan = bootinfo.screen.scanline, |
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| 109 | .visual = visual, |
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| 110 | }; |
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| 111 | fb_init(&prop); |
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| 1993 | decky | 112 | } |
| 4123 | decky | 113 | #endif |
| 1993 | decky | 114 | |
| 1928 | decky | 115 | /* Initialize IRQ routing */ |
| 116 | irq_init(IRQ_COUNT, IRQ_COUNT); |
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| 1619 | decky | 117 | |
| 3829 | decky | 118 | if (bootinfo.macio.addr) { |
| 119 | /* Initialize PIC */ |
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| 120 | pic_init(bootinfo.macio.addr, PAGE_SIZE); |
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| 121 | |||
| 122 | /* Initialize I/O controller */ |
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| 4148 | decky | 123 | cuda_init(bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE); |
| 3829 | decky | 124 | } |
| 1619 | decky | 125 | |
| 1304 | palkovsky | 126 | /* Merge all zones to 1 big zone */ |
| 127 | zone_merge_all(); |
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| 128 | } |
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| 210 | decky | 129 | } |
| 130 | |||
| 1901 | jermar | 131 | void arch_post_cpu_init(void) |
| 132 | { |
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| 133 | } |
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| 134 | |||
| 503 | jermar | 135 | void arch_pre_smp_init(void) |
| 210 | decky | 136 | { |
| 137 | } |
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| 138 | |||
| 503 | jermar | 139 | void arch_post_smp_init(void) |
| 140 | { |
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| 141 | } |
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| 142 | |||
| 210 | decky | 143 | void calibrate_delay_loop(void) |
| 144 | { |
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| 145 | } |
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| 1007 | decky | 146 | |
| 1220 | decky | 147 | void userspace(uspace_arg_t *kernel_uarg) |
| 148 | { |
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| 3672 | jermar | 149 | userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, |
| 150 | (uintptr_t) kernel_uarg->uspace_stack + |
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| 151 | THREAD_STACK_SIZE - SP_DELTA, |
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| 152 | (uintptr_t) kernel_uarg->uspace_entry); |
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| 1220 | decky | 153 | |
| 154 | /* Unreachable */ |
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| 3844 | decky | 155 | while (true); |
| 1220 | decky | 156 | } |
| 1474 | palkovsky | 157 | |
| 158 | /** Acquire console back for kernel |
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| 159 | * |
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| 160 | */ |
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| 161 | void arch_grab_console(void) |
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| 162 | { |
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| 4123 | decky | 163 | #ifdef CONFIG_FB |
| 3738 | decky | 164 | fb_redraw(); |
| 4123 | decky | 165 | #endif |
| 1474 | palkovsky | 166 | } |
| 1734 | decky | 167 | |
| 1474 | palkovsky | 168 | /** Return console to userspace |
| 169 | * |
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| 170 | */ |
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| 171 | void arch_release_console(void) |
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| 172 | { |
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| 173 | } |
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| 1702 | cejka | 174 | |
| 3880 | decky | 175 | /** Construct function pointer |
| 176 | * |
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| 177 | * @param fptr function pointer structure |
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| 178 | * @param addr function address |
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| 179 | * @param caller calling function address |
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| 180 | * |
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| 181 | * @return address of the function pointer |
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| 182 | * |
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| 183 | */ |
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| 184 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
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| 185 | { |
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| 186 | return addr; |
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| 187 | } |
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| 188 | |||
| 1734 | decky | 189 | /** @} |
| 1702 | cejka | 190 | */ |