Root/
1 | /* linux/arch/arm/mach-s3c2440/mach-mini2440.c |
2 | * |
3 | * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> |
4 | * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> |
5 | * and modifications by SBZ <sbz@spgui.org> and |
6 | * Weibing <http://weibing.blogbus.com> and |
7 | * Michel Pollet <buserror@gmail.com> |
8 | * |
9 | * For product information, visit http://code.google.com/p/mini2440/ |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify |
12 | * it under the terms of the GNU General Public License version 2 as |
13 | * published by the Free Software Foundation. |
14 | */ |
15 | |
16 | #include <linux/kernel.h> |
17 | #include <linux/types.h> |
18 | #include <linux/interrupt.h> |
19 | #include <linux/list.h> |
20 | #include <linux/timer.h> |
21 | #include <linux/init.h> |
22 | #include <linux/gpio.h> |
23 | #include <linux/input.h> |
24 | #include <linux/io.h> |
25 | #include <linux/serial_core.h> |
26 | #include <linux/dm9000.h> |
27 | #include <linux/i2c/at24.h> |
28 | #include <linux/platform_device.h> |
29 | #include <linux/gpio_keys.h> |
30 | #include <linux/i2c.h> |
31 | #include <linux/mmc/host.h> |
32 | |
33 | #include <asm/mach/arch.h> |
34 | #include <asm/mach/map.h> |
35 | |
36 | #include <mach/hardware.h> |
37 | #include <mach/fb.h> |
38 | #include <asm/mach-types.h> |
39 | |
40 | #include <plat/regs-serial.h> |
41 | #include <mach/regs-gpio.h> |
42 | #include <mach/leds-gpio.h> |
43 | #include <mach/regs-mem.h> |
44 | #include <mach/regs-lcd.h> |
45 | #include <mach/irqs.h> |
46 | #include <plat/nand.h> |
47 | #include <plat/iic.h> |
48 | #include <plat/mci.h> |
49 | #include <plat/udc.h> |
50 | |
51 | #include <linux/mtd/mtd.h> |
52 | #include <linux/mtd/nand.h> |
53 | #include <linux/mtd/nand_ecc.h> |
54 | #include <linux/mtd/partitions.h> |
55 | |
56 | #include <plat/gpio-cfg.h> |
57 | #include <plat/clock.h> |
58 | #include <plat/devs.h> |
59 | #include <plat/cpu.h> |
60 | |
61 | #include <sound/s3c24xx_uda134x.h> |
62 | |
63 | #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300) |
64 | |
65 | static struct map_desc mini2440_iodesc[] __initdata = { |
66 | /* nothing to declare, move along */ |
67 | }; |
68 | |
69 | #define UCON S3C2410_UCON_DEFAULT |
70 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB |
71 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
72 | |
73 | |
74 | static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { |
75 | [0] = { |
76 | .hwport = 0, |
77 | .flags = 0, |
78 | .ucon = UCON, |
79 | .ulcon = ULCON, |
80 | .ufcon = UFCON, |
81 | }, |
82 | [1] = { |
83 | .hwport = 1, |
84 | .flags = 0, |
85 | .ucon = UCON, |
86 | .ulcon = ULCON, |
87 | .ufcon = UFCON, |
88 | }, |
89 | [2] = { |
90 | .hwport = 2, |
91 | .flags = 0, |
92 | .ucon = UCON, |
93 | .ulcon = ULCON, |
94 | .ufcon = UFCON, |
95 | }, |
96 | }; |
97 | |
98 | /* USB device UDC support */ |
99 | |
100 | static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd) |
101 | { |
102 | pr_debug("udc: pullup(%d)\n", cmd); |
103 | |
104 | switch (cmd) { |
105 | case S3C2410_UDC_P_ENABLE : |
106 | gpio_set_value(S3C2410_GPC(5), 1); |
107 | break; |
108 | case S3C2410_UDC_P_DISABLE : |
109 | gpio_set_value(S3C2410_GPC(5), 0); |
110 | break; |
111 | case S3C2410_UDC_P_RESET : |
112 | break; |
113 | default: |
114 | break; |
115 | } |
116 | } |
117 | |
118 | static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { |
119 | .udc_command = mini2440_udc_pullup, |
120 | }; |
121 | |
122 | |
123 | /* LCD timing and setup */ |
124 | |
125 | /* |
126 | * This macro simplifies the table bellow |
127 | */ |
128 | #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \ |
129 | _yres,margin_top,margin_bottom,vsync, refresh) \ |
130 | .width = _xres, \ |
131 | .xres = _xres, \ |
132 | .height = _yres, \ |
133 | .yres = _yres, \ |
134 | .left_margin = margin_left, \ |
135 | .right_margin = margin_right, \ |
136 | .upper_margin = margin_top, \ |
137 | .lower_margin = margin_bottom, \ |
138 | .hsync_len = hsync, \ |
139 | .vsync_len = vsync, \ |
140 | .pixclock = ((_clock*100000000000LL) / \ |
141 | ((refresh) * \ |
142 | (hsync + margin_left + _xres + margin_right) * \ |
143 | (vsync + margin_top + _yres + margin_bottom))), \ |
144 | .bpp = 16,\ |
145 | .type = (S3C2410_LCDCON1_TFT16BPP |\ |
146 | S3C2410_LCDCON1_TFT) |
147 | |
148 | static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { |
149 | [0] = { /* mini2440 + 3.5" TFT + touchscreen */ |
150 | _LCD_DECLARE( |
151 | 7, /* The 3.5 is quite fast */ |
152 | 240, 21, 38, 6, /* x timing */ |
153 | 320, 4, 4, 2, /* y timing */ |
154 | 60), /* refresh rate */ |
155 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | |
156 | S3C2410_LCDCON5_INVVLINE | |
157 | S3C2410_LCDCON5_INVVFRAME | |
158 | S3C2410_LCDCON5_INVVDEN | |
159 | S3C2410_LCDCON5_PWREN), |
160 | }, |
161 | [1] = { /* mini2440 + 7" TFT + touchscreen */ |
162 | _LCD_DECLARE( |
163 | 10, /* the 7" runs slower */ |
164 | 800, 40, 40, 48, /* x timing */ |
165 | 480, 29, 3, 3, /* y timing */ |
166 | 50), /* refresh rate */ |
167 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | |
168 | S3C2410_LCDCON5_INVVLINE | |
169 | S3C2410_LCDCON5_INVVFRAME | |
170 | S3C2410_LCDCON5_PWREN), |
171 | }, |
172 | /* The VGA shield can outout at several resolutions. All share |
173 | * the same timings, however, anything smaller than 1024x768 |
174 | * will only be displayed in the top left corner of a 1024x768 |
175 | * XGA output unless you add optional dip switches to the shield. |
176 | * Therefore timings for other resolutions have been ommited here. |
177 | */ |
178 | [2] = { |
179 | _LCD_DECLARE( |
180 | 10, |
181 | 1024, 1, 2, 2, /* y timing */ |
182 | 768, 200, 16, 16, /* x timing */ |
183 | 24), /* refresh rate, maximum stable, |
184 | tested with the FPGA shield */ |
185 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | |
186 | S3C2410_LCDCON5_HWSWP), |
187 | }, |
188 | }; |
189 | |
190 | /* todo - put into gpio header */ |
191 | |
192 | #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) |
193 | #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) |
194 | |
195 | static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { |
196 | .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ |
197 | .num_displays = 1, |
198 | .default_display = 0, |
199 | |
200 | /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN |
201 | * and disable the pull down resistors on pins we are using for LCD |
202 | * data. */ |
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 | /* MMC/SD */ |
236 | |
237 | static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { |
238 | .gpio_detect = S3C2410_GPG(8), |
239 | .gpio_wprotect = S3C2410_GPH(8), |
240 | .set_power = NULL, |
241 | .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, |
242 | }; |
243 | |
244 | /* NAND Flash on MINI2440 board */ |
245 | |
246 | static struct mtd_partition mini2440_default_nand_part[] __initdata = { |
247 | [0] = { |
248 | .name = "u-boot", |
249 | .size = SZ_256K, |
250 | .offset = 0, |
251 | }, |
252 | [1] = { |
253 | .name = "u-boot-env", |
254 | .size = SZ_128K, |
255 | .offset = SZ_256K, |
256 | }, |
257 | [2] = { |
258 | .name = "kernel", |
259 | /* 5 megabytes, for a kernel with no modules |
260 | * or a uImage with a ramdisk attached */ |
261 | .size = 0x00500000, |
262 | .offset = SZ_256K + SZ_128K, |
263 | }, |
264 | [3] = { |
265 | .name = "root", |
266 | .offset = SZ_256K + SZ_128K + 0x00500000, |
267 | .size = MTDPART_SIZ_FULL, |
268 | }, |
269 | }; |
270 | |
271 | static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { |
272 | [0] = { |
273 | .name = "nand", |
274 | .nr_chips = 1, |
275 | .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), |
276 | .partitions = mini2440_default_nand_part, |
277 | .flash_bbt = 1, /* we use u-boot to create a BBT */ |
278 | }, |
279 | }; |
280 | |
281 | static struct s3c2410_platform_nand mini2440_nand_info __initdata = { |
282 | .tacls = 0, |
283 | .twrph0 = 25, |
284 | .twrph1 = 15, |
285 | .nr_sets = ARRAY_SIZE(mini2440_nand_sets), |
286 | .sets = mini2440_nand_sets, |
287 | .ignore_unset_ecc = 1, |
288 | }; |
289 | |
290 | /* DM9000AEP 10/100 ethernet controller */ |
291 | |
292 | static struct resource mini2440_dm9k_resource[] = { |
293 | [0] = { |
294 | .start = MACH_MINI2440_DM9K_BASE, |
295 | .end = MACH_MINI2440_DM9K_BASE + 3, |
296 | .flags = IORESOURCE_MEM |
297 | }, |
298 | [1] = { |
299 | .start = MACH_MINI2440_DM9K_BASE + 4, |
300 | .end = MACH_MINI2440_DM9K_BASE + 7, |
301 | .flags = IORESOURCE_MEM |
302 | }, |
303 | [2] = { |
304 | .start = IRQ_EINT7, |
305 | .end = IRQ_EINT7, |
306 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
307 | } |
308 | }; |
309 | |
310 | /* |
311 | * The DM9000 has no eeprom, and it's MAC address is set by |
312 | * the bootloader before starting the kernel. |
313 | */ |
314 | static struct dm9000_plat_data mini2440_dm9k_pdata = { |
315 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), |
316 | }; |
317 | |
318 | static struct platform_device mini2440_device_eth = { |
319 | .name = "dm9000", |
320 | .id = -1, |
321 | .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), |
322 | .resource = mini2440_dm9k_resource, |
323 | .dev = { |
324 | .platform_data = &mini2440_dm9k_pdata, |
325 | }, |
326 | }; |
327 | |
328 | /* CON5 |
329 | * +--+ /-----\ |
330 | * | | | | |
331 | * | | | BAT | |
332 | * | | \_____/ |
333 | * | | |
334 | * | | +----+ +----+ |
335 | * | | | K5 | | K1 | |
336 | * | | +----+ +----+ |
337 | * | | +----+ +----+ |
338 | * | | | K4 | | K2 | |
339 | * | | +----+ +----+ |
340 | * | | +----+ +----+ |
341 | * | | | K6 | | K3 | |
342 | * | | +----+ +----+ |
343 | * ..... |
344 | */ |
345 | static struct gpio_keys_button mini2440_buttons[] = { |
346 | { |
347 | .gpio = S3C2410_GPG(0), /* K1 */ |
348 | .code = KEY_F1, |
349 | .desc = "Button 1", |
350 | .active_low = 1, |
351 | }, |
352 | { |
353 | .gpio = S3C2410_GPG(3), /* K2 */ |
354 | .code = KEY_F2, |
355 | .desc = "Button 2", |
356 | .active_low = 1, |
357 | }, |
358 | { |
359 | .gpio = S3C2410_GPG(5), /* K3 */ |
360 | .code = KEY_F3, |
361 | .desc = "Button 3", |
362 | .active_low = 1, |
363 | }, |
364 | { |
365 | .gpio = S3C2410_GPG(6), /* K4 */ |
366 | .code = KEY_POWER, |
367 | .desc = "Power", |
368 | .active_low = 1, |
369 | }, |
370 | { |
371 | .gpio = S3C2410_GPG(7), /* K5 */ |
372 | .code = KEY_F5, |
373 | .desc = "Button 5", |
374 | .active_low = 1, |
375 | }, |
376 | #if 0 |
377 | /* this pin is also known as TCLK1 and seems to already |
378 | * marked as "in use" somehow in the kernel -- possibly wrongly */ |
379 | { |
380 | .gpio = S3C2410_GPG(11), /* K6 */ |
381 | .code = KEY_F6, |
382 | .desc = "Button 6", |
383 | .active_low = 1, |
384 | }, |
385 | #endif |
386 | }; |
387 | |
388 | static struct gpio_keys_platform_data mini2440_button_data = { |
389 | .buttons = mini2440_buttons, |
390 | .nbuttons = ARRAY_SIZE(mini2440_buttons), |
391 | }; |
392 | |
393 | static struct platform_device mini2440_button_device = { |
394 | .name = "gpio-keys", |
395 | .id = -1, |
396 | .dev = { |
397 | .platform_data = &mini2440_button_data, |
398 | } |
399 | }; |
400 | |
401 | /* LEDS */ |
402 | |
403 | static struct s3c24xx_led_platdata mini2440_led1_pdata = { |
404 | .name = "led1", |
405 | .gpio = S3C2410_GPB(5), |
406 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
407 | .def_trigger = "heartbeat", |
408 | }; |
409 | |
410 | static struct s3c24xx_led_platdata mini2440_led2_pdata = { |
411 | .name = "led2", |
412 | .gpio = S3C2410_GPB(6), |
413 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
414 | .def_trigger = "nand-disk", |
415 | }; |
416 | |
417 | static struct s3c24xx_led_platdata mini2440_led3_pdata = { |
418 | .name = "led3", |
419 | .gpio = S3C2410_GPB(7), |
420 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
421 | .def_trigger = "mmc0", |
422 | }; |
423 | |
424 | static struct s3c24xx_led_platdata mini2440_led4_pdata = { |
425 | .name = "led4", |
426 | .gpio = S3C2410_GPB(8), |
427 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, |
428 | .def_trigger = "", |
429 | }; |
430 | |
431 | static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { |
432 | .name = "backlight", |
433 | .gpio = S3C2410_GPG(4), |
434 | .def_trigger = "backlight", |
435 | }; |
436 | |
437 | static struct platform_device mini2440_led1 = { |
438 | .name = "s3c24xx_led", |
439 | .id = 1, |
440 | .dev = { |
441 | .platform_data = &mini2440_led1_pdata, |
442 | }, |
443 | }; |
444 | |
445 | static struct platform_device mini2440_led2 = { |
446 | .name = "s3c24xx_led", |
447 | .id = 2, |
448 | .dev = { |
449 | .platform_data = &mini2440_led2_pdata, |
450 | }, |
451 | }; |
452 | |
453 | static struct platform_device mini2440_led3 = { |
454 | .name = "s3c24xx_led", |
455 | .id = 3, |
456 | .dev = { |
457 | .platform_data = &mini2440_led3_pdata, |
458 | }, |
459 | }; |
460 | |
461 | static struct platform_device mini2440_led4 = { |
462 | .name = "s3c24xx_led", |
463 | .id = 4, |
464 | .dev = { |
465 | .platform_data = &mini2440_led4_pdata, |
466 | }, |
467 | }; |
468 | |
469 | static struct platform_device mini2440_led_backlight = { |
470 | .name = "s3c24xx_led", |
471 | .id = 5, |
472 | .dev = { |
473 | .platform_data = &mini2440_led_backlight_pdata, |
474 | }, |
475 | }; |
476 | |
477 | /* AUDIO */ |
478 | |
479 | static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = { |
480 | .l3_clk = S3C2410_GPB(4), |
481 | .l3_mode = S3C2410_GPB(2), |
482 | .l3_data = S3C2410_GPB(3), |
483 | .model = UDA134X_UDA1341 |
484 | }; |
485 | |
486 | static struct platform_device mini2440_audio = { |
487 | .name = "s3c24xx_uda134x", |
488 | .id = 0, |
489 | .dev = { |
490 | .platform_data = &mini2440_audio_pins, |
491 | }, |
492 | }; |
493 | |
494 | /* |
495 | * I2C devices |
496 | */ |
497 | static struct at24_platform_data at24c08 = { |
498 | .byte_len = SZ_8K / 8, |
499 | .page_size = 16, |
500 | }; |
501 | |
502 | static struct i2c_board_info mini2440_i2c_devs[] __initdata = { |
503 | { |
504 | I2C_BOARD_INFO("24c08", 0x50), |
505 | .platform_data = &at24c08, |
506 | }, |
507 | }; |
508 | |
509 | static struct platform_device *mini2440_devices[] __initdata = { |
510 | &s3c_device_ohci, |
511 | &s3c_device_wdt, |
512 | &s3c_device_i2c0, |
513 | &s3c_device_rtc, |
514 | &s3c_device_usbgadget, |
515 | &mini2440_device_eth, |
516 | &mini2440_led1, |
517 | &mini2440_led2, |
518 | &mini2440_led3, |
519 | &mini2440_led4, |
520 | &mini2440_button_device, |
521 | &s3c_device_nand, |
522 | &s3c_device_sdi, |
523 | &s3c_device_iis, |
524 | &mini2440_audio, |
525 | }; |
526 | |
527 | static void __init mini2440_map_io(void) |
528 | { |
529 | s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); |
530 | s3c24xx_init_clocks(12000000); |
531 | s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); |
532 | } |
533 | |
534 | /* |
535 | * mini2440_features string |
536 | * |
537 | * t = Touchscreen present |
538 | * b = backlight control |
539 | * c = camera [TODO] |
540 | * 0-9 LCD configuration |
541 | * |
542 | */ |
543 | static char mini2440_features_str[12] __initdata = "0tb"; |
544 | |
545 | static int __init mini2440_features_setup(char *str) |
546 | { |
547 | if (str) |
548 | strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str)); |
549 | return 1; |
550 | } |
551 | |
552 | __setup("mini2440=", mini2440_features_setup); |
553 | |
554 | #define FEATURE_SCREEN (1 << 0) |
555 | #define FEATURE_BACKLIGHT (1 << 1) |
556 | #define FEATURE_TOUCH (1 << 2) |
557 | #define FEATURE_CAMERA (1 << 3) |
558 | |
559 | struct mini2440_features_t { |
560 | int count; |
561 | int done; |
562 | int lcd_index; |
563 | struct platform_device *optional[8]; |
564 | }; |
565 | |
566 | static void mini2440_parse_features( |
567 | struct mini2440_features_t * features, |
568 | const char * features_str ) |
569 | { |
570 | const char * fp = features_str; |
571 | |
572 | features->count = 0; |
573 | features->done = 0; |
574 | features->lcd_index = -1; |
575 | |
576 | while (*fp) { |
577 | char f = *fp++; |
578 | |
579 | switch (f) { |
580 | case '0'...'9': /* tft screen */ |
581 | if (features->done & FEATURE_SCREEN) { |
582 | printk(KERN_INFO "MINI2440: '%c' ignored, " |
583 | "screen type already set\n", f); |
584 | } else { |
585 | int li = f - '0'; |
586 | if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) |
587 | printk(KERN_INFO "MINI2440: " |
588 | "'%c' out of range LCD mode\n", f); |
589 | else { |
590 | features->optional[features->count++] = |
591 | &s3c_device_lcd; |
592 | features->lcd_index = li; |
593 | } |
594 | } |
595 | features->done |= FEATURE_SCREEN; |
596 | break; |
597 | case 'b': |
598 | if (features->done & FEATURE_BACKLIGHT) |
599 | printk(KERN_INFO "MINI2440: '%c' ignored, " |
600 | "backlight already set\n", f); |
601 | else { |
602 | features->optional[features->count++] = |
603 | &mini2440_led_backlight; |
604 | } |
605 | features->done |= FEATURE_BACKLIGHT; |
606 | break; |
607 | case 't': |
608 | printk(KERN_INFO "MINI2440: '%c' ignored, " |
609 | "touchscreen not compiled in\n", f); |
610 | break; |
611 | case 'c': |
612 | if (features->done & FEATURE_CAMERA) |
613 | printk(KERN_INFO "MINI2440: '%c' ignored, " |
614 | "camera already registered\n", f); |
615 | else |
616 | features->optional[features->count++] = |
617 | &s3c_device_camif; |
618 | features->done |= FEATURE_CAMERA; |
619 | break; |
620 | } |
621 | } |
622 | } |
623 | |
624 | static void __init mini2440_init(void) |
625 | { |
626 | struct mini2440_features_t features = { 0 }; |
627 | int i; |
628 | |
629 | printk(KERN_INFO "MINI2440: Option string mini2440=%s\n", |
630 | mini2440_features_str); |
631 | |
632 | /* Parse the feature string */ |
633 | mini2440_parse_features(&features, mini2440_features_str); |
634 | |
635 | /* turn LCD on */ |
636 | s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); |
637 | |
638 | /* Turn the backlight early on */ |
639 | WARN_ON(gpio_request(S3C2410_GPG(4), "backlight")); |
640 | gpio_direction_output(S3C2410_GPG(4), 1); |
641 | |
642 | /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ |
643 | s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); |
644 | s3c2410_gpio_setpin(S3C2410_GPB(1), 0); |
645 | s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); |
646 | |
647 | /* Make sure the D+ pullup pin is output */ |
648 | WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup")); |
649 | gpio_direction_output(S3C2410_GPC(5), 0); |
650 | |
651 | /* mark the key as input, without pullups (there is one on the board) */ |
652 | for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { |
653 | s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); |
654 | s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); |
655 | } |
656 | if (features.lcd_index != -1) { |
657 | int li; |
658 | |
659 | mini2440_fb_info.displays = |
660 | &mini2440_lcd_cfg[features.lcd_index]; |
661 | |
662 | printk(KERN_INFO "MINI2440: LCD"); |
663 | for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) |
664 | if (li == features.lcd_index) |
665 | printk(" [%d:%dx%d]", li, |
666 | mini2440_lcd_cfg[li].width, |
667 | mini2440_lcd_cfg[li].height); |
668 | else |
669 | printk(" %d:%dx%d", li, |
670 | mini2440_lcd_cfg[li].width, |
671 | mini2440_lcd_cfg[li].height); |
672 | printk("\n"); |
673 | s3c24xx_fb_set_platdata(&mini2440_fb_info); |
674 | } |
675 | |
676 | s3c24xx_udc_set_platdata(&mini2440_udc_cfg); |
677 | s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); |
678 | s3c_nand_set_platdata(&mini2440_nand_info); |
679 | s3c_i2c0_set_platdata(NULL); |
680 | |
681 | i2c_register_board_info(0, mini2440_i2c_devs, |
682 | ARRAY_SIZE(mini2440_i2c_devs)); |
683 | |
684 | platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); |
685 | |
686 | if (features.count) /* the optional features */ |
687 | platform_add_devices(features.optional, features.count); |
688 | |
689 | } |
690 | |
691 | |
692 | MACHINE_START(MINI2440, "MINI2440") |
693 | /* Maintainer: Michel Pollet <buserror@gmail.com> */ |
694 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
695 | .map_io = mini2440_map_io, |
696 | .init_machine = mini2440_init, |
697 | .init_irq = s3c24xx_init_irq, |
698 | .timer = &s3c24xx_timer, |
699 | MACHINE_END |
700 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9