8b6232a6 |
1 | /* |
2 | Parts used from cpuctrl, Copyright (C) 2005 Hermes/PS2Reality |
3 | Portions Copyright (C) 2009 notaz |
2823a4c8 |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
9 | |
10 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | */ |
20 | |
21 | |
108c704a |
22 | #define _GNU_SOURCE 1 |
8b6232a6 |
23 | #include "../common.h" |
2823a4c8 |
24 | #include <sys/mman.h> |
25 | #include <sys/ioctl.h> |
26 | #include <sys/soundcard.h> |
638cc626 |
27 | #include <sys/types.h> |
28 | #include <unistd.h> |
8b6232a6 |
29 | #include <ctype.h> |
108c704a |
30 | #include <linux/input.h> |
2823a4c8 |
31 | #include "gp2x.h" |
e8f5db5d |
32 | #include "pollux_dpc_set.h" |
2823a4c8 |
33 | |
43c24b30 |
34 | static u32 gpsp_gp2x_dev_audio; |
35 | static u32 gpsp_gp2x_dev; |
108c704a |
36 | #ifdef POLLUX_BUILD |
37 | static u32 gpsp_gp2x_indev; |
38 | static u32 saved_405c, saved_4060, saved_4058; |
bbba3209 |
39 | #endif |
43c24b30 |
40 | |
41 | static u32 gp2x_audio_volume = 74/2; |
2823a4c8 |
42 | |
4742480d |
43 | static volatile u16 *gpsp_gp2x_memregs; |
44 | static volatile u32 *gpsp_gp2x_memregl; |
2823a4c8 |
45 | |
eb3668fc |
46 | u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT] = |
43c24b30 |
47 | { |
48 | GP2X_UP, |
49 | GP2X_LEFT, |
50 | GP2X_DOWN, |
51 | GP2X_RIGHT, |
52 | GP2X_START, |
53 | GP2X_SELECT, |
54 | GP2X_L, |
55 | GP2X_R, |
56 | GP2X_A, |
57 | GP2X_B, |
58 | GP2X_X, |
59 | GP2X_Y, |
108c704a |
60 | #if defined(POLLUX_BUILD) && !defined(WIZ_BUILD) |
61 | 0, |
62 | 0, |
63 | GP2X_PUSH, |
64 | GP2X_HOME, |
65 | #else |
43c24b30 |
66 | GP2X_VOL_DOWN, |
67 | GP2X_VOL_UP, |
68 | GP2X_PUSH, |
69 | GP2X_VOL_MIDDLE |
108c704a |
70 | #endif |
43c24b30 |
71 | }; |
72 | |
eb3668fc |
73 | u32 gamepad_config_map[PLAT_BUTTON_COUNT] = |
43c24b30 |
74 | { |
75 | BUTTON_ID_UP, // Up |
76 | BUTTON_ID_LEFT, // Left |
77 | BUTTON_ID_DOWN, // Down |
78 | BUTTON_ID_RIGHT, // Right |
79 | BUTTON_ID_START, // Start |
80 | BUTTON_ID_SELECT, // Select |
81 | BUTTON_ID_L, // Ltrigger |
82 | BUTTON_ID_R, // Rtrigger |
83 | BUTTON_ID_FPS, // A |
84 | BUTTON_ID_A, // B |
85 | BUTTON_ID_B, // X |
86 | BUTTON_ID_MENU, // Y |
87 | BUTTON_ID_VOLDOWN, // Vol down |
88 | BUTTON_ID_VOLUP, // Vol up |
89 | BUTTON_ID_FPS, // Push |
108c704a |
90 | BUTTON_ID_MENU // Vol middle / Home |
43c24b30 |
91 | }; |
92 | |
108c704a |
93 | #ifdef POLLUX_BUILD |
4cdfc0bc |
94 | #include <linux/fb.h> |
95 | void *gpsp_gp2x_screen; |
5c6e71a0 |
96 | #define fb_buf_count 4 |
97 | static u32 fb_paddr[fb_buf_count]; |
98 | static void *fb_vaddr[fb_buf_count]; |
4cdfc0bc |
99 | static u32 fb_work_buf; |
5c6e71a0 |
100 | static int fb_buf_use; |
42c81190 |
101 | static int fbdev; |
4cdfc0bc |
102 | |
103 | static void fb_video_init() |
104 | { |
105 | struct fb_fix_screeninfo fbfix; |
108c704a |
106 | unsigned int r; |
4cdfc0bc |
107 | int i, ret; |
4cdfc0bc |
108 | |
109 | fbdev = open("/dev/fb0", O_RDWR); |
110 | if (fbdev < 0) { |
111 | perror("can't open fbdev"); |
112 | exit(1); |
113 | } |
114 | |
115 | ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix); |
116 | if (ret == -1) |
117 | { |
118 | perror("ioctl(fbdev) failed"); |
119 | exit(1); |
120 | } |
121 | |
122 | printf("framebuffer: \"%s\" @ %08lx\n", fbfix.id, fbfix.smem_start); |
123 | fb_paddr[0] = fbfix.smem_start; |
4cdfc0bc |
124 | |
125 | fb_vaddr[0] = mmap(0, 320*240*2*fb_buf_count, PROT_READ|PROT_WRITE, |
126 | MAP_SHARED, gpsp_gp2x_dev, fb_paddr[0]); |
127 | if (fb_vaddr[0] == MAP_FAILED) |
128 | { |
129 | perror("mmap(fb_vaddr) failed"); |
130 | exit(1); |
131 | } |
132 | memset(fb_vaddr[0], 0, 320*240*2*fb_buf_count); |
133 | |
134 | printf(" %p -> %08x\n", fb_vaddr[0], fb_paddr[0]); |
135 | for (i = 1; i < fb_buf_count; i++) |
136 | { |
137 | fb_paddr[i] = fb_paddr[i-1] + 320*240*2; |
138 | fb_vaddr[i] = (char *)fb_vaddr[i-1] + 320*240*2; |
139 | printf(" %p -> %08x\n", fb_vaddr[i], fb_paddr[i]); |
140 | } |
141 | fb_work_buf = 0; |
142 | fb_buf_use = fb_buf_count; |
143 | |
108c704a |
144 | saved_405c = gpsp_gp2x_memregl[0x405c>>2]; |
145 | saved_4060 = gpsp_gp2x_memregl[0x4060>>2]; |
146 | saved_4058 = gpsp_gp2x_memregl[0x4058>>2]; |
147 | |
148 | // set mode; program both MLCs so that TV-out works |
149 | gpsp_gp2x_memregl[0x405c>>2] = gpsp_gp2x_memregl[0x445c>>2] = 2; |
150 | gpsp_gp2x_memregl[0x4060>>2] = gpsp_gp2x_memregl[0x4460>>2] = 320 * 2; |
151 | |
152 | r = gpsp_gp2x_memregl[0x4058>>2]; |
153 | r = (r & 0xffff) | (0x4432 << 16) | 0x10; |
154 | gpsp_gp2x_memregl[0x4058>>2] = r; |
155 | |
156 | r = gpsp_gp2x_memregl[0x4458>>2]; |
157 | r = (r & 0xffff) | (0x4432 << 16) | 0x10; |
158 | gpsp_gp2x_memregl[0x4458>>2] = r; |
159 | |
4cdfc0bc |
160 | pollux_video_flip(); |
161 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
162 | } |
163 | |
164 | void pollux_video_flip() |
165 | { |
108c704a |
166 | gpsp_gp2x_memregl[0x406C>>2] = |
167 | gpsp_gp2x_memregl[0x446C>>2] = fb_paddr[fb_work_buf]; |
4cdfc0bc |
168 | gpsp_gp2x_memregl[0x4058>>2] |= 0x10; |
108c704a |
169 | gpsp_gp2x_memregl[0x4458>>2] |= 0x10; |
4cdfc0bc |
170 | fb_work_buf++; |
171 | if (fb_work_buf >= fb_buf_use) |
172 | fb_work_buf = 0; |
173 | gpsp_gp2x_screen = fb_vaddr[fb_work_buf]; |
174 | } |
175 | |
176 | void fb_use_buffers(int count) |
177 | { |
178 | if (count < 1) |
179 | count = 1; |
180 | else if (count > fb_buf_count) |
181 | count = fb_buf_count; |
182 | fb_buf_use = count; |
5c6e71a0 |
183 | memset(fb_vaddr[0], 0, 320*240*2*count); |
4cdfc0bc |
184 | } |
185 | |
42c81190 |
186 | void wiz_lcd_set_portrait(int y) |
187 | { |
108c704a |
188 | char *dpc_settings; |
189 | #ifdef WIZ_BUILD |
42c81190 |
190 | static int old_y = -1; |
191 | int cmd[2] = { 0, 0 }; |
192 | |
193 | if (old_y == y) |
194 | return; |
195 | cmd[0] = y ? 6 : 5; |
196 | ioctl(fbdev, _IOW('D', 90, int[2]), cmd); |
197 | gpsp_gp2x_memregl[0x4004>>2] = y ? 0x013f00ef : 0x00ef013f; |
198 | gpsp_gp2x_memregl[0x4000>>2] |= 1 << 3; |
199 | old_y = y; |
e8f5db5d |
200 | |
201 | /* the above ioctl resets LCD timings, so set them here */ |
108c704a |
202 | #endif |
203 | |
204 | dpc_settings = getenv("pollux_dpc_set"); |
205 | if (dpc_settings != NULL) |
206 | pollux_dpc_set(gpsp_gp2x_memregs, dpc_settings); |
42c81190 |
207 | } |
208 | |
4cdfc0bc |
209 | static void fb_video_exit() |
210 | { |
42c81190 |
211 | /* switch to default fb mem, turn portrait off */ |
108c704a |
212 | gpsp_gp2x_memregl[0x406c>>2] = fb_paddr[0]; |
213 | gpsp_gp2x_memregl[0x405c>>2] = saved_405c; |
214 | gpsp_gp2x_memregl[0x4060>>2] = saved_4060; |
215 | gpsp_gp2x_memregl[0x4058>>2] = saved_4058 | 0x10; |
42c81190 |
216 | wiz_lcd_set_portrait(0); |
217 | close(fbdev); |
218 | } |
219 | |
220 | static int wiz_gamepak_fd = -1; |
221 | static u32 wiz_gamepak_size; |
222 | |
223 | static void wiz_gamepak_cleanup() |
224 | { |
225 | if (wiz_gamepak_size) |
226 | munmap(gamepak_rom, wiz_gamepak_size); |
227 | if (wiz_gamepak_fd >= 0) |
228 | close(wiz_gamepak_fd); |
229 | gamepak_rom = NULL; |
230 | wiz_gamepak_size = 0; |
231 | wiz_gamepak_fd = -1; |
4cdfc0bc |
232 | } |
42c81190 |
233 | |
234 | u32 wiz_load_gamepak(char *name) |
235 | { |
236 | char *dot_position = strrchr(name, '.'); |
237 | u32 ret; |
238 | |
239 | if (!strcasecmp(dot_position, ".zip")) |
240 | { |
241 | if (wiz_gamepak_fd >= 0) |
242 | { |
243 | wiz_gamepak_cleanup(); |
244 | printf("switching to ROM malloc\n"); |
245 | init_gamepak_buffer(); |
246 | } |
247 | return load_file_zip(name); |
248 | } |
249 | |
250 | if (wiz_gamepak_fd < 0) |
251 | { |
252 | extern void *gamepak_memory_map; |
253 | free(gamepak_rom); |
254 | free(gamepak_memory_map); |
255 | gamepak_memory_map = NULL; |
256 | printf("switching to ROM mmap\n"); |
257 | } |
258 | else |
259 | wiz_gamepak_cleanup(); |
260 | |
261 | wiz_gamepak_fd = open(name, O_RDONLY|O_NOATIME, S_IRUSR); |
262 | if (wiz_gamepak_fd < 0) |
263 | { |
264 | perror("wiz_load_gamepak: open failed"); |
265 | return -1; |
266 | } |
267 | |
268 | ret = lseek(wiz_gamepak_fd, 0, SEEK_END); |
269 | wiz_gamepak_size = gamepak_ram_buffer_size = ret; |
270 | |
271 | gamepak_rom = mmap(0, ret, PROT_READ, MAP_SHARED, wiz_gamepak_fd, 0); |
272 | if (gamepak_rom == MAP_FAILED) |
273 | { |
274 | perror("wiz_load_gamepak: mmap failed"); |
275 | return -1; |
276 | } |
277 | |
278 | return ret; |
279 | } |
280 | |
108c704a |
281 | #define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \ |
282 | (1 << ((x) & (sizeof(keybits[0])*8-1)))) |
4cdfc0bc |
283 | |
108c704a |
284 | static int abs_min, abs_max, lzone_step; |
285 | |
286 | static int open_caanoo_pad(void) |
5a01fba6 |
287 | { |
108c704a |
288 | long keybits[KEY_CNT / sizeof(long) / 8]; |
289 | long absbits[(ABS_MAX+1) / sizeof(long) / 8]; |
290 | struct input_absinfo ainfo; |
291 | int fd = -1, i; |
292 | |
293 | memset(keybits, 0, sizeof(keybits)); |
294 | memset(absbits, 0, sizeof(absbits)); |
295 | |
296 | for (i = 0;; i++) |
297 | { |
298 | int support = 0, need; |
299 | int ret; |
300 | char name[64]; |
301 | |
302 | snprintf(name, sizeof(name), "/dev/input/event%d", i); |
303 | fd = open(name, O_RDONLY|O_NONBLOCK); |
304 | if (fd == -1) |
305 | break; |
306 | |
307 | /* check supported events */ |
308 | ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support); |
309 | if (ret == -1) { |
310 | printf("in_evdev: ioctl failed on %s\n", name); |
311 | goto skip; |
312 | } |
313 | |
314 | need = (1 << EV_KEY) | (1 << EV_ABS); |
315 | if ((support & need) != need) |
316 | goto skip; |
5a01fba6 |
317 | |
108c704a |
318 | ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits); |
319 | if (ret == -1) { |
320 | printf("in_evdev: ioctl failed on %s\n", name); |
321 | goto skip; |
322 | } |
323 | |
324 | if (!KEYBITS_BIT(BTN_JOYSTICK)) |
325 | goto skip; |
326 | |
327 | ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo); |
328 | if (ret == -1) |
329 | goto skip; |
330 | |
331 | abs_min = ainfo.minimum; |
332 | abs_max = ainfo.maximum; |
333 | lzone_step = (abs_max - abs_min) / 2 / 9; |
334 | |
335 | ioctl(fd, EVIOCGNAME(sizeof(name)), name); |
336 | printf("using \"%s\" (type %08x)\n", name, support); |
337 | break; |
338 | |
339 | skip: |
340 | close(fd); |
341 | fd = -1; |
342 | } |
343 | |
344 | if (fd == -1) { |
345 | printf("missing input device\n"); |
346 | exit(1); |
347 | } |
348 | |
349 | return fd; |
350 | } |
351 | #endif // POLLUX_BUILD |
352 | |
353 | void gpsp_plat_init(void) |
354 | { |
2823a4c8 |
355 | gpsp_gp2x_dev = open("/dev/mem", O_RDWR); |
356 | gpsp_gp2x_dev_audio = open("/dev/mixer", O_RDWR); |
8b6232a6 |
357 | gpsp_gp2x_memregl = (u32 *)mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, |
2823a4c8 |
358 | gpsp_gp2x_dev, 0xc0000000); |
8b6232a6 |
359 | gpsp_gp2x_memregs = (u16 *)gpsp_gp2x_memregl; |
638cc626 |
360 | warm_init(); |
108c704a |
361 | #ifdef POLLUX_BUILD |
4742480d |
362 | #ifdef WIZ_BUILD |
108c704a |
363 | gpsp_gp2x_indev = open("/dev/GPIO", O_RDONLY); |
364 | #else |
365 | gpsp_gp2x_indev = open_caanoo_pad(); |
366 | #endif |
4cdfc0bc |
367 | fb_video_init(); |
108c704a |
368 | (void)open_caanoo_pad; |
4cdfc0bc |
369 | #endif |
2823a4c8 |
370 | |
2823a4c8 |
371 | gp2x_sound_volume(1); |
372 | } |
373 | |
43c24b30 |
374 | void gpsp_plat_quit(void) |
2823a4c8 |
375 | { |
638cc626 |
376 | chdir(main_path); |
638cc626 |
377 | |
378 | warm_finish(); |
108c704a |
379 | #ifdef POLLUX_BUILD |
42c81190 |
380 | wiz_gamepak_cleanup(); |
108c704a |
381 | close(gpsp_gp2x_indev); |
382 | fb_video_exit(); |
4742480d |
383 | #endif |
4cdfc0bc |
384 | munmap((void *)gpsp_gp2x_memregl, 0x10000); |
385 | close(gpsp_gp2x_dev_audio); |
386 | close(gpsp_gp2x_dev); |
90206450 |
387 | |
638cc626 |
388 | fcloseall(); |
5a01fba6 |
389 | sync(); |
42c81190 |
390 | exit(0); |
2823a4c8 |
391 | } |
392 | |
393 | void gp2x_sound_volume(u32 volume_up) |
394 | { |
395 | u32 volume; |
396 | if((volume_up == 0) && (gp2x_audio_volume > 0)) |
397 | gp2x_audio_volume--; |
398 | |
399 | if((volume_up != 0) && (gp2x_audio_volume < 100)) |
400 | gp2x_audio_volume++; |
401 | |
402 | volume = (gp2x_audio_volume * 0x50) / 100; |
403 | volume = (gp2x_audio_volume << 8) | gp2x_audio_volume; |
404 | ioctl(gpsp_gp2x_dev_audio, SOUND_MIXER_WRITE_PCM, &volume); |
405 | } |
406 | |
43c24b30 |
407 | u32 gpsp_plat_joystick_read(void) |
4742480d |
408 | { |
409 | #ifdef WIZ_BUILD |
410 | u32 value = 0; |
108c704a |
411 | read(gpsp_gp2x_indev, &value, 4); |
4742480d |
412 | if(value & 0x02) |
413 | value |= 0x05; |
414 | if(value & 0x08) |
415 | value |= 0x14; |
416 | if(value & 0x20) |
417 | value |= 0x50; |
418 | if(value & 0x80) |
419 | value |= 0x41; |
420 | return value; |
108c704a |
421 | #elif defined(POLLUX_BUILD) |
422 | // caanoo |
423 | static const int evdev_to_gp2x[] = { |
424 | GP2X_A, GP2X_X, GP2X_B, GP2X_Y, GP2X_L, GP2X_R, |
425 | GP2X_HOME, 0, GP2X_START, GP2X_SELECT, GP2X_PUSH |
426 | }; |
427 | int keybits[KEY_CNT / sizeof(int)]; |
428 | struct input_absinfo ainfo; |
429 | int lzone = analog_sensitivity_level * lzone_step; |
430 | u32 retval = 0; |
431 | int i, ret; |
432 | |
433 | ret = ioctl(gpsp_gp2x_indev, EVIOCGKEY(sizeof(keybits)), keybits); |
434 | if (ret == -1) { |
435 | perror("EVIOCGKEY ioctl failed"); |
436 | sleep(1); |
437 | return 0; |
438 | } |
439 | |
440 | for (i = 0; i < sizeof(evdev_to_gp2x) / sizeof(evdev_to_gp2x[0]); i++) { |
441 | if (KEYBITS_BIT(BTN_TRIGGER + i)) |
442 | retval |= evdev_to_gp2x[i]; |
443 | } |
444 | |
445 | if (lzone != 0) |
446 | lzone--; |
447 | |
448 | ret = ioctl(gpsp_gp2x_indev, EVIOCGABS(ABS_X), &ainfo); |
449 | if (ret != -1) { |
450 | if (ainfo.value <= abs_min + lzone) retval |= GP2X_LEFT; |
451 | else if (ainfo.value >= abs_max - lzone) retval |= GP2X_RIGHT; |
452 | } |
453 | ret = ioctl(gpsp_gp2x_indev, EVIOCGABS(ABS_Y), &ainfo); |
454 | if (ret != -1) { |
455 | if (ainfo.value <= abs_min + lzone) retval |= GP2X_UP; |
456 | else if (ainfo.value >= abs_max - lzone) retval |= GP2X_DOWN; |
457 | } |
458 | |
459 | return retval; |
4742480d |
460 | #else |
108c704a |
461 | // GP2X |
4742480d |
462 | u32 value = (gpsp_gp2x_memregs[0x1198 >> 1] & 0x00FF); |
463 | |
464 | if(value == 0xFD) |
465 | value = 0xFA; |
466 | if(value == 0xF7) |
467 | value = 0xEB; |
468 | if(value == 0xDF) |
469 | value = 0xAF; |
470 | if(value == 0x7F) |
471 | value = 0xBE; |
472 | |
473 | return ~((gpsp_gp2x_memregs[0x1184 >> 1] & 0xFF00) | value | |
474 | (gpsp_gp2x_memregs[0x1186 >> 1] << 16)); |
475 | #endif |
476 | } |
477 | |
43c24b30 |
478 | u32 gpsp_plat_buttons_to_cursor(u32 buttons) |
479 | { |
480 | gui_action_type new_button = CURSOR_NONE; |
481 | |
482 | if(buttons & GP2X_A) |
483 | new_button = CURSOR_BACK; |
484 | |
485 | if(buttons & GP2X_X) |
486 | new_button = CURSOR_EXIT; |
487 | |
488 | if(buttons & GP2X_B) |
489 | new_button = CURSOR_SELECT; |
490 | |
491 | if(buttons & GP2X_UP) |
492 | new_button = CURSOR_UP; |
493 | |
494 | if(buttons & GP2X_DOWN) |
495 | new_button = CURSOR_DOWN; |
496 | |
497 | if(buttons & GP2X_LEFT) |
498 | new_button = CURSOR_LEFT; |
499 | |
500 | if(buttons & GP2X_RIGHT) |
501 | new_button = CURSOR_RIGHT; |
502 | |
503 | if(buttons & GP2X_L) |
504 | new_button = CURSOR_L; |
505 | |
506 | if(buttons & GP2X_R) |
507 | new_button = CURSOR_R; |
508 | |
509 | return new_button; |
510 | } |
511 | |
638cc626 |
512 | // Fout = (m * Fin) / (p * 2^s) |
4742480d |
513 | void set_FCLK(u32 MHZ) |
514 | { |
638cc626 |
515 | u32 v; |
516 | u32 mdiv, pdiv, sdiv = 0; |
108c704a |
517 | #ifdef POLLUX_BUILD |
518 | int i; |
638cc626 |
519 | #define SYS_CLK_FREQ 27 |
520 | // m = MDIV, p = PDIV, s = SDIV |
521 | pdiv = 9; |
522 | mdiv = (MHZ * pdiv) / SYS_CLK_FREQ; |
108c704a |
523 | if (mdiv & ~0x3ff) |
524 | return; |
638cc626 |
525 | v = (pdiv<<18) | (mdiv<<8) | sdiv; |
526 | |
527 | gpsp_gp2x_memregl[0xf004>>2] = v; |
528 | gpsp_gp2x_memregl[0xf07c>>2] |= 0x8000; |
108c704a |
529 | for (i = 0; (gpsp_gp2x_memregl[0xf07c>>2] & 0x8000) && i < 0x100000; i++) |
5a01fba6 |
530 | ; |
108c704a |
531 | |
532 | // must restart sound as it's PLL is shared with CPU one |
533 | sound_exit(); |
534 | init_sound(0); |
638cc626 |
535 | #else |
536 | #define SYS_CLK_FREQ 7372800 |
537 | // m = MDIV + 8, p = PDIV + 2, s = SDIV |
538 | pdiv = 3; |
539 | mdiv = (MHZ * pdiv * 1000000) / SYS_CLK_FREQ; |
540 | mdiv &= 0xff; |
541 | v = ((mdiv-8)<<8) | ((pdiv-2)<<2) | sdiv; |
542 | gpsp_gp2x_memregs[0x910>>1] = v; |
4742480d |
543 | #endif |
638cc626 |
544 | } |
4742480d |
545 | |