This source file includes following definitions.
- mini2440_map_io
- mini2440_init_time
- mini2440_features_setup
- mini2440_parse_features
- mini2440_init
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11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/gpio.h>
18 #include <linux/gpio/machine.h>
19 #include <linux/input.h>
20 #include <linux/io.h>
21 #include <linux/serial_core.h>
22 #include <linux/serial_s3c.h>
23 #include <linux/dm9000.h>
24 #include <linux/property.h>
25 #include <linux/platform_device.h>
26 #include <linux/gpio_keys.h>
27 #include <linux/i2c.h>
28 #include <linux/mmc/host.h>
29
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32
33 #include <mach/hardware.h>
34 #include <mach/fb.h>
35 #include <asm/mach-types.h>
36
37 #include <mach/regs-gpio.h>
38 #include <linux/platform_data/leds-s3c24xx.h>
39 #include <mach/regs-lcd.h>
40 #include <mach/irqs.h>
41 #include <mach/gpio-samsung.h>
42 #include <linux/platform_data/mtd-nand-s3c2410.h>
43 #include <linux/platform_data/i2c-s3c2410.h>
44 #include <linux/platform_data/mmc-s3cmci.h>
45 #include <linux/platform_data/usb-s3c2410_udc.h>
46
47 #include <linux/mtd/mtd.h>
48 #include <linux/mtd/rawnand.h>
49 #include <linux/mtd/nand_ecc.h>
50 #include <linux/mtd/partitions.h>
51
52 #include <plat/gpio-cfg.h>
53 #include <plat/devs.h>
54 #include <plat/cpu.h>
55 #include <plat/samsung-time.h>
56
57 #include <sound/s3c24xx_uda134x.h>
58
59 #include "common.h"
60
61 #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
62
63 static struct map_desc mini2440_iodesc[] __initdata = {
64
65 };
66
67 #define UCON S3C2410_UCON_DEFAULT
68 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
69 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
70
71
72 static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = {
73 [0] = {
74 .hwport = 0,
75 .flags = 0,
76 .ucon = UCON,
77 .ulcon = ULCON,
78 .ufcon = UFCON,
79 },
80 [1] = {
81 .hwport = 1,
82 .flags = 0,
83 .ucon = UCON,
84 .ulcon = ULCON,
85 .ufcon = UFCON,
86 },
87 [2] = {
88 .hwport = 2,
89 .flags = 0,
90 .ucon = UCON,
91 .ulcon = ULCON,
92 .ufcon = UFCON,
93 },
94 };
95
96
97
98 static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
99 .pullup_pin = S3C2410_GPC(5),
100 };
101
102
103
104
105
106
107
108 #define _LCD_DECLARE(_clock, _xres, margin_left, margin_right, hsync, \
109 _yres, margin_top, margin_bottom, vsync, refresh) \
110 .width = _xres, \
111 .xres = _xres, \
112 .height = _yres, \
113 .yres = _yres, \
114 .left_margin = margin_left, \
115 .right_margin = margin_right, \
116 .upper_margin = margin_top, \
117 .lower_margin = margin_bottom, \
118 .hsync_len = hsync, \
119 .vsync_len = vsync, \
120 .pixclock = ((_clock*100000000000LL) / \
121 ((refresh) * \
122 (hsync + margin_left + _xres + margin_right) * \
123 (vsync + margin_top + _yres + margin_bottom))), \
124 .bpp = 16,\
125 .type = (S3C2410_LCDCON1_TFT16BPP |\
126 S3C2410_LCDCON1_TFT)
127
128 static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
129 [0] = {
130 _LCD_DECLARE(
131 7,
132 240, 21, 38, 6,
133 320, 4, 4, 2,
134 60),
135 .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
136 S3C2410_LCDCON5_INVVLINE |
137 S3C2410_LCDCON5_INVVFRAME |
138 S3C2410_LCDCON5_INVVDEN |
139 S3C2410_LCDCON5_PWREN),
140 },
141 [1] = {
142 _LCD_DECLARE(
143 10,
144 800, 40, 40, 48,
145 480, 29, 3, 3,
146 50),
147 .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
148 S3C2410_LCDCON5_INVVLINE |
149 S3C2410_LCDCON5_INVVFRAME |
150 S3C2410_LCDCON5_PWREN),
151 },
152
153
154
155
156
157
158 [2] = {
159 _LCD_DECLARE(
160 10,
161 1024, 1, 2, 2,
162 768, 200, 16, 16,
163 24),
164
165
166 .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
167 S3C2410_LCDCON5_HWSWP),
168 },
169
170 [3] = {
171 _LCD_DECLARE(
172
173 7,
174
175 320, 68, 66, 4,
176
177 240, 4, 4, 9,
178
179 60),
180 .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
181 S3C2410_LCDCON5_INVVDEN |
182 S3C2410_LCDCON5_INVVFRAME |
183 S3C2410_LCDCON5_INVVLINE |
184 S3C2410_LCDCON5_INVVCLK |
185 S3C2410_LCDCON5_HWSWP),
186 },
187 };
188
189
190
191 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
192 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
193
194 static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
195 .displays = &mini2440_lcd_cfg[0],
196 .num_displays = 1,
197 .default_display = 0,
198
199
200
201
202
203
204 .gpcup = (0xf << 1) | (0x3f << 10),
205
206 .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
207 S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
208 S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
209 S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
210 S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
211
212 .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
213 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
214 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
215 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
216 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
217
218 .gpdup = (0x3f << 2) | (0x3f << 10),
219
220 .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
221 S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
222 S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
223 S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
224 S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
225 S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
226
227 .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
228 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
229 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
230 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
231 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
232 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
233 };
234
235
236
237 static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = {
238 .wprotect_invert = 1,
239 .set_power = NULL,
240 .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34,
241 };
242
243 static struct gpiod_lookup_table mini2440_mmc_gpio_table = {
244 .dev_id = "s3c2410-sdi",
245 .table = {
246
247 GPIO_LOOKUP("GPG", 8, "cd", GPIO_ACTIVE_LOW),
248
249 GPIO_LOOKUP("GPH", 8, "wp", GPIO_ACTIVE_HIGH),
250 { },
251 },
252 };
253
254
255
256 static struct mtd_partition mini2440_default_nand_part[] __initdata = {
257 [0] = {
258 .name = "u-boot",
259 .size = SZ_256K,
260 .offset = 0,
261 },
262 [1] = {
263 .name = "u-boot-env",
264 .size = SZ_128K,
265 .offset = SZ_256K,
266 },
267 [2] = {
268 .name = "kernel",
269
270
271
272 .size = 0x00500000,
273 .offset = SZ_256K + SZ_128K,
274 },
275 [3] = {
276 .name = "root",
277 .offset = SZ_256K + SZ_128K + 0x00500000,
278 .size = MTDPART_SIZ_FULL,
279 },
280 };
281
282 static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = {
283 [0] = {
284 .name = "nand",
285 .nr_chips = 1,
286 .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part),
287 .partitions = mini2440_default_nand_part,
288 .flash_bbt = 1,
289 },
290 };
291
292 static struct s3c2410_platform_nand mini2440_nand_info __initdata = {
293 .tacls = 0,
294 .twrph0 = 25,
295 .twrph1 = 15,
296 .nr_sets = ARRAY_SIZE(mini2440_nand_sets),
297 .sets = mini2440_nand_sets,
298 .ignore_unset_ecc = 1,
299 .ecc_mode = NAND_ECC_HW,
300 };
301
302
303
304 static struct resource mini2440_dm9k_resource[] = {
305 [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4),
306 [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4),
307 [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ
308 | IORESOURCE_IRQ_HIGHEDGE),
309 };
310
311
312
313
314
315 static struct dm9000_plat_data mini2440_dm9k_pdata = {
316 .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
317 };
318
319 static struct platform_device mini2440_device_eth = {
320 .name = "dm9000",
321 .id = -1,
322 .num_resources = ARRAY_SIZE(mini2440_dm9k_resource),
323 .resource = mini2440_dm9k_resource,
324 .dev = {
325 .platform_data = &mini2440_dm9k_pdata,
326 },
327 };
328
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344
345
346 static struct gpio_keys_button mini2440_buttons[] = {
347 {
348 .gpio = S3C2410_GPG(0),
349 .code = KEY_F1,
350 .desc = "Button 1",
351 .active_low = 1,
352 },
353 {
354 .gpio = S3C2410_GPG(3),
355 .code = KEY_F2,
356 .desc = "Button 2",
357 .active_low = 1,
358 },
359 {
360 .gpio = S3C2410_GPG(5),
361 .code = KEY_F3,
362 .desc = "Button 3",
363 .active_low = 1,
364 },
365 {
366 .gpio = S3C2410_GPG(6),
367 .code = KEY_POWER,
368 .desc = "Power",
369 .active_low = 1,
370 },
371 {
372 .gpio = S3C2410_GPG(7),
373 .code = KEY_F5,
374 .desc = "Button 5",
375 .active_low = 1,
376 },
377 #if 0
378
379
380
381 {
382 .gpio = S3C2410_GPG(11),
383 .code = KEY_F6,
384 .desc = "Button 6",
385 .active_low = 1,
386 },
387 #endif
388 };
389
390 static struct gpio_keys_platform_data mini2440_button_data = {
391 .buttons = mini2440_buttons,
392 .nbuttons = ARRAY_SIZE(mini2440_buttons),
393 };
394
395 static struct platform_device mini2440_button_device = {
396 .name = "gpio-keys",
397 .id = -1,
398 .dev = {
399 .platform_data = &mini2440_button_data,
400 }
401 };
402
403
404
405 static struct s3c24xx_led_platdata mini2440_led1_pdata = {
406 .name = "led1",
407 .gpio = S3C2410_GPB(5),
408 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
409 .def_trigger = "heartbeat",
410 };
411
412 static struct s3c24xx_led_platdata mini2440_led2_pdata = {
413 .name = "led2",
414 .gpio = S3C2410_GPB(6),
415 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
416 .def_trigger = "nand-disk",
417 };
418
419 static struct s3c24xx_led_platdata mini2440_led3_pdata = {
420 .name = "led3",
421 .gpio = S3C2410_GPB(7),
422 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
423 .def_trigger = "mmc0",
424 };
425
426 static struct s3c24xx_led_platdata mini2440_led4_pdata = {
427 .name = "led4",
428 .gpio = S3C2410_GPB(8),
429 .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
430 .def_trigger = "",
431 };
432
433 static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = {
434 .name = "backlight",
435 .gpio = S3C2410_GPG(4),
436 .def_trigger = "backlight",
437 };
438
439 static struct platform_device mini2440_led1 = {
440 .name = "s3c24xx_led",
441 .id = 1,
442 .dev = {
443 .platform_data = &mini2440_led1_pdata,
444 },
445 };
446
447 static struct platform_device mini2440_led2 = {
448 .name = "s3c24xx_led",
449 .id = 2,
450 .dev = {
451 .platform_data = &mini2440_led2_pdata,
452 },
453 };
454
455 static struct platform_device mini2440_led3 = {
456 .name = "s3c24xx_led",
457 .id = 3,
458 .dev = {
459 .platform_data = &mini2440_led3_pdata,
460 },
461 };
462
463 static struct platform_device mini2440_led4 = {
464 .name = "s3c24xx_led",
465 .id = 4,
466 .dev = {
467 .platform_data = &mini2440_led4_pdata,
468 },
469 };
470
471 static struct platform_device mini2440_led_backlight = {
472 .name = "s3c24xx_led",
473 .id = 5,
474 .dev = {
475 .platform_data = &mini2440_led_backlight_pdata,
476 },
477 };
478
479
480
481 static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = {
482 .l3_clk = S3C2410_GPB(4),
483 .l3_mode = S3C2410_GPB(2),
484 .l3_data = S3C2410_GPB(3),
485 .model = UDA134X_UDA1341
486 };
487
488 static struct platform_device mini2440_audio = {
489 .name = "s3c24xx_uda134x",
490 .id = 0,
491 .dev = {
492 .platform_data = &mini2440_audio_pins,
493 },
494 };
495
496
497
498
499 static const struct property_entry mini2440_at24_properties[] = {
500 PROPERTY_ENTRY_U32("pagesize", 16),
501 { }
502 };
503
504 static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
505 {
506 I2C_BOARD_INFO("24c08", 0x50),
507 .properties = mini2440_at24_properties,
508 },
509 };
510
511 static struct uda134x_platform_data s3c24xx_uda134x = {
512 .l3 = {
513 .gpio_clk = S3C2410_GPB(4),
514 .gpio_data = S3C2410_GPB(3),
515 .gpio_mode = S3C2410_GPB(2),
516 .use_gpios = 1,
517 .data_hold = 1,
518 .data_setup = 1,
519 .clock_high = 1,
520 .mode_hold = 1,
521 .mode = 1,
522 .mode_setup = 1,
523 },
524 .model = UDA134X_UDA1341,
525 };
526
527 static struct platform_device uda1340_codec = {
528 .name = "uda134x-codec",
529 .id = -1,
530 .dev = {
531 .platform_data = &s3c24xx_uda134x,
532 },
533 };
534
535 static struct platform_device *mini2440_devices[] __initdata = {
536 &s3c_device_ohci,
537 &s3c_device_wdt,
538 &s3c_device_i2c0,
539 &s3c_device_rtc,
540 &s3c_device_usbgadget,
541 &mini2440_device_eth,
542 &mini2440_led1,
543 &mini2440_led2,
544 &mini2440_led3,
545 &mini2440_led4,
546 &mini2440_button_device,
547 &s3c_device_nand,
548 &s3c_device_sdi,
549 &s3c2440_device_dma,
550 &s3c_device_iis,
551 &uda1340_codec,
552 &mini2440_audio,
553 };
554
555 static void __init mini2440_map_io(void)
556 {
557 s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
558 s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
559 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
560 }
561
562 static void __init mini2440_init_time(void)
563 {
564 s3c2440_init_clocks(12000000);
565 samsung_timer_init();
566 }
567
568
569
570
571
572
573
574
575
576
577 static char mini2440_features_str[12] __initdata = "0tb";
578
579 static int __init mini2440_features_setup(char *str)
580 {
581 if (str)
582 strlcpy(mini2440_features_str, str,
583 sizeof(mini2440_features_str));
584 return 1;
585 }
586
587 __setup("mini2440=", mini2440_features_setup);
588
589 #define FEATURE_SCREEN (1 << 0)
590 #define FEATURE_BACKLIGHT (1 << 1)
591 #define FEATURE_TOUCH (1 << 2)
592 #define FEATURE_CAMERA (1 << 3)
593
594 struct mini2440_features_t {
595 int count;
596 int done;
597 int lcd_index;
598 struct platform_device *optional[8];
599 };
600
601 static void __init mini2440_parse_features(
602 struct mini2440_features_t *features,
603 const char *features_str)
604 {
605 const char *fp = features_str;
606
607 features->count = 0;
608 features->done = 0;
609 features->lcd_index = -1;
610
611 while (*fp) {
612 char f = *fp++;
613
614 switch (f) {
615 case '0'...'9':
616 if (features->done & FEATURE_SCREEN) {
617 pr_info("MINI2440: '%c' ignored, screen type already set\n",
618 f);
619 } else {
620 int li = f - '0';
621
622 if (li >= ARRAY_SIZE(mini2440_lcd_cfg))
623 pr_info("MINI2440: '%c' out of range LCD mode\n",
624 f);
625 else {
626 features->optional[features->count++] =
627 &s3c_device_lcd;
628 features->lcd_index = li;
629 }
630 }
631 features->done |= FEATURE_SCREEN;
632 break;
633 case 'b':
634 if (features->done & FEATURE_BACKLIGHT)
635 pr_info("MINI2440: '%c' ignored, backlight already set\n",
636 f);
637 else {
638 features->optional[features->count++] =
639 &mini2440_led_backlight;
640 }
641 features->done |= FEATURE_BACKLIGHT;
642 break;
643 case 't':
644 pr_info("MINI2440: '%c' ignored, touchscreen not compiled in\n",
645 f);
646 break;
647 case 'c':
648 if (features->done & FEATURE_CAMERA)
649 pr_info("MINI2440: '%c' ignored, camera already registered\n",
650 f);
651 else
652 features->optional[features->count++] =
653 &s3c_device_camif;
654 features->done |= FEATURE_CAMERA;
655 break;
656 }
657 }
658 }
659
660 static void __init mini2440_init(void)
661 {
662 struct mini2440_features_t features = { 0 };
663 int i;
664
665 pr_info("MINI2440: Option string mini2440=%s\n",
666 mini2440_features_str);
667
668
669 mini2440_parse_features(&features, mini2440_features_str);
670
671
672 s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
673
674
675 WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL));
676 gpio_free(S3C2410_GPG(4));
677
678
679 gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL);
680 s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
681 gpio_free(S3C2410_GPB(1));
682
683
684 for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
685 s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
686 s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
687 }
688 if (features.lcd_index != -1) {
689 int li;
690
691 mini2440_fb_info.displays =
692 &mini2440_lcd_cfg[features.lcd_index];
693
694 pr_info("MINI2440: LCD");
695 for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++)
696 if (li == features.lcd_index)
697 pr_cont(" [%d:%dx%d]", li,
698 mini2440_lcd_cfg[li].width,
699 mini2440_lcd_cfg[li].height);
700 else
701 pr_cont(" %d:%dx%d", li,
702 mini2440_lcd_cfg[li].width,
703 mini2440_lcd_cfg[li].height);
704 pr_cont("\n");
705 s3c24xx_fb_set_platdata(&mini2440_fb_info);
706 }
707
708 s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
709 gpiod_add_lookup_table(&mini2440_mmc_gpio_table);
710 s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
711 s3c_nand_set_platdata(&mini2440_nand_info);
712 s3c_i2c0_set_platdata(NULL);
713
714 i2c_register_board_info(0, mini2440_i2c_devs,
715 ARRAY_SIZE(mini2440_i2c_devs));
716
717 platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices));
718
719 if (features.count)
720 platform_add_devices(features.optional, features.count);
721
722 }
723
724
725 MACHINE_START(MINI2440, "MINI2440")
726
727 .atag_offset = 0x100,
728 .map_io = mini2440_map_io,
729 .init_machine = mini2440_init,
730 .init_irq = s3c2440_init_irq,
731 .init_time = mini2440_init_time,
732 MACHINE_END