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210 decky 1
/*
2071 jermar 2
 * Copyright (c) 2005 Martin Decky
210 decky 3
 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1734 decky 29
/** @addtogroup ppc32
1702 cejka 30
 * @{
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 */
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/** @file
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 */
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2089 decky 35
#include <config.h>
210 decky 36
#include <arch.h>
1132 decky 37
#include <arch/boot/boot.h>
4311 decky 38
#include <genarch/drivers/via-cuda/cuda.h>
4610 svoboda 39
#include <genarch/kbrd/kbrd.h>
1004 decky 40
#include <arch/interrupt.h>
1374 decky 41
#include <genarch/fb/fb.h>
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#include <genarch/fb/visuals.h>
1220 decky 43
#include <userspace.h>
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#include <proc/uarg.h>
1474 palkovsky 45
#include <console/console.h>
1928 decky 46
#include <ddi/irq.h>
1480 palkovsky 47
#include <arch/drivers/pic.h>
4311 decky 48
#include <align.h>
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#include <macros.h>
4030 svoboda 50
#include <string.h>
970 decky 51
 
3922 decky 52
#define IRQ_COUNT  64
4311 decky 53
#define IRQ_CUDA   10
1928 decky 54
 
1132 decky 55
bootinfo_t bootinfo;
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4023 svoboda 57
/** Performs ppc32-specific initialization before main_bsp() is called. */
1222 decky 58
void arch_pre_main(void)
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{
1370 decky 60
	init.cnt = bootinfo.taskmap.count;
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1780 jermar 62
	uint32_t i;
1370 decky 63
 
3922 decky 64
	for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
1370 decky 65
		init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
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		init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
4267 svoboda 67
		str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN,
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		    bootinfo.taskmap.tasks[i].name);
1370 decky 69
	}
1222 decky 70
}
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210 decky 72
void arch_pre_mm_init(void)
73
{
1004 decky 74
	/* Initialize dispatch table */
1007 decky 75
	interrupt_init();
1480 palkovsky 76
 
1007 decky 77
	/* Start decrementer */
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	start_decrementer();
210 decky 79
}
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81
void arch_post_mm_init(void)
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{
1304 palkovsky 83
	if (config.cpu_active == 1) {
4123 decky 84
 
85
#ifdef CONFIG_FB
1928 decky 86
		/* Initialize framebuffer */
3829 decky 87
		if (bootinfo.screen.addr) {
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			unsigned int visual;
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90
			switch (bootinfo.screen.bpp) {
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			case 8:
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				visual = VISUAL_INDIRECT_8;
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				break;
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			case 16:
4685 jermar 95
				visual = VISUAL_RGB_5_5_5_BE;
3829 decky 96
				break;
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			case 24:
4676 jermar 98
				visual = VISUAL_BGR_8_8_8;
3829 decky 99
				break;
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			case 32:
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				visual = VISUAL_RGB_0_8_8_8;
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				break;
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			default:
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				panic("Unsupported bits per pixel.");
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			}
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			fb_properties_t prop = {
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				.addr = bootinfo.screen.addr,
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				.offset = 0,
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				.x = bootinfo.screen.width,
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				.y = bootinfo.screen.height,
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				.scan = bootinfo.screen.scanline,
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				.visual = visual,
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			};
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			fb_init(&prop);
1993 decky 115
		}
4123 decky 116
#endif
1993 decky 117
 
1928 decky 118
		/* Initialize IRQ routing */
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		irq_init(IRQ_COUNT, IRQ_COUNT);
1619 decky 120
 
1304 palkovsky 121
		/* Merge all zones to 1 big zone */
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		zone_merge_all();
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	}
210 decky 124
}
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1901 jermar 126
void arch_post_cpu_init(void)
127
{
128
}
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503 jermar 130
void arch_pre_smp_init(void)
210 decky 131
{
132
}
133
 
503 jermar 134
void arch_post_smp_init(void)
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{
4610 svoboda 136
	if (bootinfo.macio.addr) {
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		/* Initialize PIC */
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		cir_t cir;
139
		void *cir_arg;
140
		pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg);
141
 
142
#ifdef CONFIG_MAC_KBD
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		uintptr_t pa = bootinfo.macio.addr + 0x16000;
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		uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE);
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		size_t offset = pa - aligned_addr;
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		size_t size = 2 * PAGE_SIZE;
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148
		cuda_t *cuda = (cuda_t *)
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		    (hw_map(aligned_addr, offset + size) + offset);
150
 
151
		/* Initialize I/O controller */
152
		cuda_instance_t *cuda_instance =
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		    cuda_init(cuda, IRQ_CUDA, cir, cir_arg);
154
		if (cuda_instance) {
155
			kbrd_instance_t *kbrd_instance = kbrd_init();
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			if (kbrd_instance) {
157
				indev_t *sink = stdin_wire();
158
				indev_t *kbrd = kbrd_wire(kbrd_instance, sink);
159
				cuda_wire(cuda_instance, kbrd);
160
				pic_enable_interrupt(IRQ_CUDA);
161
			}
162
		}
163
#endif
164
	}
503 jermar 165
}
166
 
210 decky 167
void calibrate_delay_loop(void)
168
{
169
}
1007 decky 170
 
1220 decky 171
void userspace(uspace_arg_t *kernel_uarg)
172
{
3672 jermar 173
	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg,
174
	    (uintptr_t) kernel_uarg->uspace_stack +
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	    THREAD_STACK_SIZE - SP_DELTA,
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	    (uintptr_t) kernel_uarg->uspace_entry);
1220 decky 177
 
178
	/* Unreachable */
3844 decky 179
	while (true);
1220 decky 180
}
1474 palkovsky 181
 
182
/** Acquire console back for kernel
183
 *
184
 */
185
void arch_grab_console(void)
186
{
4123 decky 187
#ifdef CONFIG_FB
3738 decky 188
	fb_redraw();
4123 decky 189
#endif
1474 palkovsky 190
}
1734 decky 191
 
1474 palkovsky 192
/** Return console to userspace
193
 *
194
 */
195
void arch_release_console(void)
196
{
197
}
1702 cejka 198
 
3880 decky 199
/** Construct function pointer
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 *
201
 * @param fptr   function pointer structure
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 * @param addr   function address
203
 * @param caller calling function address
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 *
205
 * @return address of the function pointer
206
 *
207
 */
208
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller)
209
{
210
	return addr;
211
}
212
 
4311 decky 213
void arch_reboot(void)
214
{
215
	// TODO
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	while (1);
217
}
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1734 decky 219
/** @}
1702 cejka 220
 */