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5102aa4a MP |
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 | ||
5102aa4a MP |
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/clock.h> | |
57 | #include <plat/devs.h> | |
58 | #include <plat/cpu.h> | |
59 | ||
60 | #include <sound/s3c24xx_uda134x.h> | |
61 | ||
62 | #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300) | |
63 | ||
64 | static struct map_desc mini2440_iodesc[] __initdata = { | |
65 | /* nothing to declare, move along */ | |
66 | }; | |
67 | ||
68 | #define UCON S3C2410_UCON_DEFAULT | |
69 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | |
70 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | |
71 | ||
72 | ||
73 | static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { | |
74 | [0] = { | |
75 | .hwport = 0, | |
76 | .flags = 0, | |
77 | .ucon = UCON, | |
78 | .ulcon = ULCON, | |
79 | .ufcon = UFCON, | |
80 | }, | |
81 | [1] = { | |
82 | .hwport = 1, | |
83 | .flags = 0, | |
84 | .ucon = UCON, | |
85 | .ulcon = ULCON, | |
86 | .ufcon = UFCON, | |
87 | }, | |
88 | [2] = { | |
89 | .hwport = 2, | |
90 | .flags = 0, | |
91 | .ucon = UCON, | |
92 | .ulcon = ULCON, | |
93 | .ufcon = UFCON, | |
94 | }, | |
95 | }; | |
96 | ||
97 | /* USB device UDC support */ | |
98 | ||
99 | static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd) | |
100 | { | |
101 | pr_debug("udc: pullup(%d)\n", cmd); | |
102 | ||
103 | switch (cmd) { | |
104 | case S3C2410_UDC_P_ENABLE : | |
105 | s3c2410_gpio_setpin(S3C2410_GPC(5), 1); | |
106 | break; | |
107 | case S3C2410_UDC_P_DISABLE : | |
108 | s3c2410_gpio_setpin(S3C2410_GPC(5), 0); | |
109 | break; | |
110 | case S3C2410_UDC_P_RESET : | |
111 | break; | |
112 | default: | |
113 | break; | |
114 | } | |
115 | } | |
116 | ||
117 | static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { | |
118 | .udc_command = mini2440_udc_pullup, | |
119 | }; | |
120 | ||
121 | ||
122 | /* LCD timing and setup */ | |
123 | ||
124 | /* | |
125 | * This macro simplifies the table bellow | |
126 | */ | |
127 | #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \ | |
128 | _yres,margin_top,margin_bottom,vsync, refresh) \ | |
129 | .width = _xres, \ | |
130 | .xres = _xres, \ | |
131 | .height = _yres, \ | |
132 | .yres = _yres, \ | |
133 | .left_margin = margin_left, \ | |
134 | .right_margin = margin_right, \ | |
135 | .upper_margin = margin_top, \ | |
136 | .lower_margin = margin_bottom, \ | |
137 | .hsync_len = hsync, \ | |
138 | .vsync_len = vsync, \ | |
139 | .pixclock = ((_clock*100000000000LL) / \ | |
140 | ((refresh) * \ | |
141 | (hsync + margin_left + _xres + margin_right) * \ | |
142 | (vsync + margin_top + _yres + margin_bottom))), \ | |
143 | .bpp = 16,\ | |
144 | .type = (S3C2410_LCDCON1_TFT16BPP |\ | |
145 | S3C2410_LCDCON1_TFT) | |
146 | ||
00709947 | 147 | static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { |
5102aa4a MP |
148 | [0] = { /* mini2440 + 3.5" TFT + touchscreen */ |
149 | _LCD_DECLARE( | |
150 | 7, /* The 3.5 is quite fast */ | |
151 | 240, 21, 38, 6, /* x timing */ | |
152 | 320, 4, 4, 2, /* y timing */ | |
153 | 60), /* refresh rate */ | |
154 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
155 | S3C2410_LCDCON5_INVVLINE | | |
156 | S3C2410_LCDCON5_INVVFRAME | | |
157 | S3C2410_LCDCON5_INVVDEN | | |
158 | S3C2410_LCDCON5_PWREN), | |
159 | }, | |
160 | [1] = { /* mini2440 + 7" TFT + touchscreen */ | |
161 | _LCD_DECLARE( | |
162 | 10, /* the 7" runs slower */ | |
163 | 800, 40, 40, 48, /* x timing */ | |
164 | 480, 29, 3, 3, /* y timing */ | |
165 | 50), /* refresh rate */ | |
166 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
167 | S3C2410_LCDCON5_INVVLINE | | |
168 | S3C2410_LCDCON5_INVVFRAME | | |
169 | S3C2410_LCDCON5_PWREN), | |
170 | }, | |
171 | /* The VGA shield can outout at several resolutions. All share | |
172 | * the same timings, however, anything smaller than 1024x768 | |
173 | * will only be displayed in the top left corner of a 1024x768 | |
174 | * XGA output unless you add optional dip switches to the shield. | |
175 | * Therefore timings for other resolutions have been ommited here. | |
176 | */ | |
177 | [2] = { | |
178 | _LCD_DECLARE( | |
179 | 10, | |
180 | 1024, 1, 2, 2, /* y timing */ | |
181 | 768, 200, 16, 16, /* x timing */ | |
182 | 24), /* refresh rate, maximum stable, | |
183 | tested with the FPGA shield */ | |
184 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
185 | S3C2410_LCDCON5_HWSWP), | |
186 | }, | |
187 | }; | |
188 | ||
189 | /* todo - put into gpio header */ | |
190 | ||
191 | #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) | |
192 | #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) | |
193 | ||
00709947 | 194 | static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { |
5102aa4a MP |
195 | .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ |
196 | .num_displays = 1, | |
197 | .default_display = 0, | |
198 | ||
199 | /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN | |
200 | * and disable the pull down resistors on pins we are using for LCD | |
201 | * data. */ | |
202 | ||
203 | .gpcup = (0xf << 1) | (0x3f << 10), | |
204 | ||
205 | .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | | |
206 | S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | | |
207 | S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | | |
208 | S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | | |
209 | S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), | |
210 | ||
211 | .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | | |
212 | S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | | |
213 | S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | | |
214 | S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | | |
215 | S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), | |
216 | ||
217 | .gpdup = (0x3f << 2) | (0x3f << 10), | |
218 | ||
219 | .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | | |
220 | S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | | |
221 | S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | | |
222 | S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | | |
223 | S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | | |
224 | S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), | |
225 | ||
226 | .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | | |
227 | S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | | |
228 | S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | | |
229 | S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| | |
230 | S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| | |
231 | S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), | |
232 | }; | |
233 | ||
234 | /* MMC/SD */ | |
235 | ||
236 | static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { | |
237 | .gpio_detect = S3C2410_GPG(8), | |
238 | .gpio_wprotect = S3C2410_GPH(8), | |
239 | .set_power = NULL, | |
240 | .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, | |
241 | }; | |
242 | ||
243 | /* NAND Flash on MINI2440 board */ | |
244 | ||
245 | static struct mtd_partition mini2440_default_nand_part[] __initdata = { | |
246 | [0] = { | |
247 | .name = "u-boot", | |
248 | .size = SZ_256K, | |
249 | .offset = 0, | |
250 | }, | |
251 | [1] = { | |
252 | .name = "u-boot-env", | |
253 | .size = SZ_128K, | |
254 | .offset = SZ_256K, | |
255 | }, | |
256 | [2] = { | |
257 | .name = "kernel", | |
258 | /* 5 megabytes, for a kernel with no modules | |
259 | * or a uImage with a ramdisk attached */ | |
260 | .size = 0x00500000, | |
261 | .offset = SZ_256K + SZ_128K, | |
262 | }, | |
263 | [3] = { | |
264 | .name = "root", | |
265 | .offset = SZ_256K + SZ_128K + 0x00500000, | |
266 | .size = MTDPART_SIZ_FULL, | |
267 | }, | |
268 | }; | |
269 | ||
270 | static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { | |
271 | [0] = { | |
272 | .name = "nand", | |
273 | .nr_chips = 1, | |
274 | .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), | |
275 | .partitions = mini2440_default_nand_part, | |
51af243c | 276 | .flash_bbt = 1, /* we use u-boot to create a BBT */ |
5102aa4a MP |
277 | }, |
278 | }; | |
279 | ||
280 | static struct s3c2410_platform_nand mini2440_nand_info __initdata = { | |
281 | .tacls = 0, | |
282 | .twrph0 = 25, | |
283 | .twrph1 = 15, | |
284 | .nr_sets = ARRAY_SIZE(mini2440_nand_sets), | |
285 | .sets = mini2440_nand_sets, | |
286 | .ignore_unset_ecc = 1, | |
287 | }; | |
288 | ||
289 | /* DM9000AEP 10/100 ethernet controller */ | |
290 | ||
291 | static struct resource mini2440_dm9k_resource[] __initdata = { | |
292 | [0] = { | |
293 | .start = MACH_MINI2440_DM9K_BASE, | |
294 | .end = MACH_MINI2440_DM9K_BASE + 3, | |
295 | .flags = IORESOURCE_MEM | |
296 | }, | |
297 | [1] = { | |
298 | .start = MACH_MINI2440_DM9K_BASE + 4, | |
299 | .end = MACH_MINI2440_DM9K_BASE + 7, | |
300 | .flags = IORESOURCE_MEM | |
301 | }, | |
302 | [2] = { | |
303 | .start = IRQ_EINT7, | |
304 | .end = IRQ_EINT7, | |
305 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
306 | } | |
307 | }; | |
308 | ||
309 | /* | |
310 | * The DM9000 has no eeprom, and it's MAC address is set by | |
311 | * the bootloader before starting the kernel. | |
312 | */ | |
313 | static struct dm9000_plat_data mini2440_dm9k_pdata __initdata = { | |
314 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), | |
315 | }; | |
316 | ||
317 | static struct platform_device mini2440_device_eth __initdata = { | |
318 | .name = "dm9000", | |
319 | .id = -1, | |
320 | .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), | |
321 | .resource = mini2440_dm9k_resource, | |
322 | .dev = { | |
323 | .platform_data = &mini2440_dm9k_pdata, | |
324 | }, | |
325 | }; | |
326 | ||
327 | /* CON5 | |
328 | * +--+ /-----\ | |
329 | * | | | | | |
330 | * | | | BAT | | |
331 | * | | \_____/ | |
332 | * | | | |
333 | * | | +----+ +----+ | |
334 | * | | | K5 | | K1 | | |
335 | * | | +----+ +----+ | |
336 | * | | +----+ +----+ | |
337 | * | | | K4 | | K2 | | |
338 | * | | +----+ +----+ | |
339 | * | | +----+ +----+ | |
340 | * | | | K6 | | K3 | | |
341 | * | | +----+ +----+ | |
342 | * ..... | |
343 | */ | |
344 | static struct gpio_keys_button mini2440_buttons[] __initdata = { | |
345 | { | |
346 | .gpio = S3C2410_GPG(0), /* K1 */ | |
347 | .code = KEY_F1, | |
348 | .desc = "Button 1", | |
349 | .active_low = 1, | |
350 | }, | |
351 | { | |
352 | .gpio = S3C2410_GPG(3), /* K2 */ | |
353 | .code = KEY_F2, | |
354 | .desc = "Button 2", | |
355 | .active_low = 1, | |
356 | }, | |
357 | { | |
358 | .gpio = S3C2410_GPG(5), /* K3 */ | |
359 | .code = KEY_F3, | |
360 | .desc = "Button 3", | |
361 | .active_low = 1, | |
362 | }, | |
363 | { | |
364 | .gpio = S3C2410_GPG(6), /* K4 */ | |
365 | .code = KEY_POWER, | |
366 | .desc = "Power", | |
367 | .active_low = 1, | |
368 | }, | |
369 | { | |
370 | .gpio = S3C2410_GPG(7), /* K5 */ | |
371 | .code = KEY_F5, | |
372 | .desc = "Button 5", | |
373 | .active_low = 1, | |
374 | }, | |
375 | #if 0 | |
376 | /* this pin is also known as TCLK1 and seems to already | |
377 | * marked as "in use" somehow in the kernel -- possibly wrongly */ | |
378 | { | |
379 | .gpio = S3C2410_GPG(11), /* K6 */ | |
380 | .code = KEY_F6, | |
381 | .desc = "Button 6", | |
382 | .active_low = 1, | |
383 | }, | |
384 | #endif | |
385 | }; | |
386 | ||
387 | static struct gpio_keys_platform_data mini2440_button_data __initdata = { | |
388 | .buttons = mini2440_buttons, | |
389 | .nbuttons = ARRAY_SIZE(mini2440_buttons), | |
390 | }; | |
391 | ||
392 | static struct platform_device mini2440_button_device __initdata = { | |
393 | .name = "gpio-keys", | |
394 | .id = -1, | |
395 | .dev = { | |
396 | .platform_data = &mini2440_button_data, | |
397 | } | |
398 | }; | |
399 | ||
400 | /* LEDS */ | |
401 | ||
0a3727ff | 402 | static struct s3c24xx_led_platdata mini2440_led1_pdata = { |
5102aa4a MP |
403 | .name = "led1", |
404 | .gpio = S3C2410_GPB(5), | |
405 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
406 | .def_trigger = "heartbeat", | |
407 | }; | |
408 | ||
0a3727ff | 409 | static struct s3c24xx_led_platdata mini2440_led2_pdata = { |
5102aa4a MP |
410 | .name = "led2", |
411 | .gpio = S3C2410_GPB(6), | |
412 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
413 | .def_trigger = "nand-disk", | |
414 | }; | |
415 | ||
0a3727ff | 416 | static struct s3c24xx_led_platdata mini2440_led3_pdata = { |
5102aa4a MP |
417 | .name = "led3", |
418 | .gpio = S3C2410_GPB(7), | |
419 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
420 | .def_trigger = "mmc0", | |
421 | }; | |
422 | ||
0a3727ff | 423 | static struct s3c24xx_led_platdata mini2440_led4_pdata = { |
5102aa4a MP |
424 | .name = "led4", |
425 | .gpio = S3C2410_GPB(8), | |
426 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
427 | .def_trigger = "", | |
428 | }; | |
429 | ||
0a3727ff | 430 | static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { |
5102aa4a MP |
431 | .name = "backlight", |
432 | .gpio = S3C2410_GPG(4), | |
433 | .def_trigger = "backlight", | |
434 | }; | |
435 | ||
436 | static struct platform_device mini2440_led1 __initdata = { | |
437 | .name = "s3c24xx_led", | |
438 | .id = 1, | |
439 | .dev = { | |
440 | .platform_data = &mini2440_led1_pdata, | |
441 | }, | |
442 | }; | |
443 | ||
444 | static struct platform_device mini2440_led2 __initdata = { | |
445 | .name = "s3c24xx_led", | |
446 | .id = 2, | |
447 | .dev = { | |
448 | .platform_data = &mini2440_led2_pdata, | |
449 | }, | |
450 | }; | |
451 | ||
452 | static struct platform_device mini2440_led3 __initdata = { | |
453 | .name = "s3c24xx_led", | |
454 | .id = 3, | |
455 | .dev = { | |
456 | .platform_data = &mini2440_led3_pdata, | |
457 | }, | |
458 | }; | |
459 | ||
460 | static struct platform_device mini2440_led4 __initdata = { | |
461 | .name = "s3c24xx_led", | |
462 | .id = 4, | |
463 | .dev = { | |
464 | .platform_data = &mini2440_led4_pdata, | |
465 | }, | |
466 | }; | |
467 | ||
468 | static struct platform_device mini2440_led_backlight __initdata = { | |
469 | .name = "s3c24xx_led", | |
470 | .id = 5, | |
471 | .dev = { | |
472 | .platform_data = &mini2440_led_backlight_pdata, | |
473 | }, | |
474 | }; | |
475 | ||
476 | /* AUDIO */ | |
477 | ||
478 | static struct s3c24xx_uda134x_platform_data mini2440_audio_pins __initdata = { | |
479 | .l3_clk = S3C2410_GPB(4), | |
480 | .l3_mode = S3C2410_GPB(2), | |
481 | .l3_data = S3C2410_GPB(3), | |
482 | .model = UDA134X_UDA1341 | |
483 | }; | |
484 | ||
485 | static struct platform_device mini2440_audio __initdata = { | |
486 | .name = "s3c24xx_uda134x", | |
487 | .id = 0, | |
488 | .dev = { | |
489 | .platform_data = &mini2440_audio_pins, | |
490 | }, | |
491 | }; | |
492 | ||
493 | /* | |
494 | * I2C devices | |
495 | */ | |
496 | static struct at24_platform_data at24c08 = { | |
497 | .byte_len = SZ_8K / 8, | |
498 | .page_size = 16, | |
499 | }; | |
500 | ||
501 | static struct i2c_board_info mini2440_i2c_devs[] __initdata = { | |
502 | { | |
503 | I2C_BOARD_INFO("24c08", 0x50), | |
504 | .platform_data = &at24c08, | |
505 | }, | |
506 | }; | |
507 | ||
508 | static struct platform_device *mini2440_devices[] __initdata = { | |
509 | &s3c_device_usb, | |
510 | &s3c_device_wdt, | |
511 | /* &s3c_device_adc,*/ /* ADC doesn't like living with touchscreen ! */ | |
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 | /* &s3c_device_timer[0],*/ /* buzzer pwm, no API for it */ | |
526 | /* remaining devices are optional */ | |
527 | }; | |
528 | ||
529 | static void __init mini2440_map_io(void) | |
530 | { | |
531 | s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); | |
532 | s3c24xx_init_clocks(12000000); | |
533 | s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); | |
534 | ||
5102aa4a MP |
535 | s3c_device_sdi.dev.platform_data = &mini2440_mmc_cfg; |
536 | } | |
537 | ||
538 | /* | |
539 | * mini2440_features string | |
540 | * | |
541 | * t = Touchscreen present | |
542 | * b = backlight control | |
543 | * c = camera [TODO] | |
544 | * 0-9 LCD configuration | |
545 | * | |
546 | */ | |
547 | static char mini2440_features_str[12] __initdata = "0tb"; | |
548 | ||
549 | static int __init mini2440_features_setup(char *str) | |
550 | { | |
551 | if (str) | |
552 | strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str)); | |
553 | return 1; | |
554 | } | |
555 | ||
556 | __setup("mini2440=", mini2440_features_setup); | |
557 | ||
558 | #define FEATURE_SCREEN (1 << 0) | |
559 | #define FEATURE_BACKLIGHT (1 << 1) | |
560 | #define FEATURE_TOUCH (1 << 2) | |
561 | #define FEATURE_CAMERA (1 << 3) | |
562 | ||
563 | struct mini2440_features_t { | |
564 | int count; | |
565 | int done; | |
566 | int lcd_index; | |
567 | struct platform_device *optional[8]; | |
568 | }; | |
569 | ||
570 | static void mini2440_parse_features( | |
571 | struct mini2440_features_t * features, | |
572 | const char * features_str ) | |
573 | { | |
574 | const char * fp = features_str; | |
575 | ||
576 | features->count = 0; | |
577 | features->done = 0; | |
578 | features->lcd_index = -1; | |
579 | ||
580 | while (*fp) { | |
581 | char f = *fp++; | |
582 | ||
583 | switch (f) { | |
584 | case '0'...'9': /* tft screen */ | |
585 | if (features->done & FEATURE_SCREEN) { | |
586 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
587 | "screen type already set\n", f); | |
588 | } else { | |
589 | int li = f - '0'; | |
590 | if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) | |
591 | printk(KERN_INFO "MINI2440: " | |
592 | "'%c' out of range LCD mode\n", f); | |
593 | else { | |
594 | features->optional[features->count++] = | |
595 | &s3c_device_lcd; | |
596 | features->lcd_index = li; | |
597 | } | |
598 | } | |
599 | features->done |= FEATURE_SCREEN; | |
600 | break; | |
601 | case 'b': | |
602 | if (features->done & FEATURE_BACKLIGHT) | |
603 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
604 | "backlight already set\n", f); | |
605 | else { | |
606 | features->optional[features->count++] = | |
607 | &mini2440_led_backlight; | |
608 | } | |
609 | features->done |= FEATURE_BACKLIGHT; | |
610 | break; | |
611 | case 't': | |
612 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
613 | "touchscreen not compiled in\n", f); | |
614 | break; | |
615 | case 'c': | |
616 | if (features->done & FEATURE_CAMERA) | |
617 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
618 | "camera already registered\n", f); | |
619 | else | |
620 | features->optional[features->count++] = | |
621 | &s3c_device_camif; | |
622 | features->done |= FEATURE_CAMERA; | |
623 | break; | |
624 | } | |
625 | } | |
626 | } | |
627 | ||
628 | static void __init mini2440_init(void) | |
629 | { | |
630 | struct mini2440_features_t features = { 0 }; | |
631 | int i; | |
632 | ||
633 | printk(KERN_INFO "MINI2440: Option string mini2440=%s\n", | |
634 | mini2440_features_str); | |
635 | ||
636 | /* Parse the feature string */ | |
637 | mini2440_parse_features(&features, mini2440_features_str); | |
638 | ||
639 | /* turn LCD on */ | |
640 | s3c2410_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); | |
641 | ||
642 | /* Turn the backlight early on */ | |
643 | s3c2410_gpio_setpin(S3C2410_GPG(4), 1); | |
644 | s3c2410_gpio_cfgpin(S3C2410_GPG(4), S3C2410_GPIO_OUTPUT); | |
645 | ||
646 | /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ | |
647 | s3c2410_gpio_pullup(S3C2410_GPB(1), 0); | |
648 | s3c2410_gpio_setpin(S3C2410_GPB(1), 0); | |
649 | s3c2410_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); | |
650 | ||
651 | /* Make sure the D+ pullup pin is output */ | |
652 | s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT); | |
653 | ||
654 | /* mark the key as input, without pullups (there is one on the board) */ | |
655 | for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { | |
656 | s3c2410_gpio_pullup(mini2440_buttons[i].gpio, 0); | |
657 | s3c2410_gpio_cfgpin(mini2440_buttons[i].gpio, | |
658 | S3C2410_GPIO_INPUT); | |
659 | } | |
660 | if (features.lcd_index != -1) { | |
661 | int li; | |
662 | ||
663 | mini2440_fb_info.displays = | |
664 | &mini2440_lcd_cfg[features.lcd_index]; | |
665 | ||
666 | printk(KERN_INFO "MINI2440: LCD"); | |
667 | for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) | |
668 | if (li == features.lcd_index) | |
669 | printk(" [%d:%dx%d]", li, | |
670 | mini2440_lcd_cfg[li].width, | |
671 | mini2440_lcd_cfg[li].height); | |
672 | else | |
673 | printk(" %d:%dx%d", li, | |
674 | mini2440_lcd_cfg[li].width, | |
675 | mini2440_lcd_cfg[li].height); | |
676 | printk("\n"); | |
677 | s3c24xx_fb_set_platdata(&mini2440_fb_info); | |
678 | } | |
2a3a1804 | 679 | |
5102aa4a | 680 | s3c24xx_udc_set_platdata(&mini2440_udc_cfg); |
2a3a1804 | 681 | s3c_nand_set_platdata(&mini2440_nand_info); |
5102aa4a | 682 | s3c_i2c0_set_platdata(NULL); |
2a3a1804 | 683 | |
5102aa4a MP |
684 | i2c_register_board_info(0, mini2440_i2c_devs, |
685 | ARRAY_SIZE(mini2440_i2c_devs)); | |
686 | ||
687 | platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); | |
688 | ||
689 | if (features.count) /* the optional features */ | |
690 | platform_add_devices(features.optional, features.count); | |
691 | ||
692 | } | |
693 | ||
694 | ||
695 | MACHINE_START(MINI2440, "MINI2440") | |
696 | /* Maintainer: Michel Pollet <buserror@gmail.com> */ | |
697 | .phys_io = S3C2410_PA_UART, | |
698 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, | |
699 | .boot_params = S3C2410_SDRAM_PA + 0x100, | |
700 | .map_io = mini2440_map_io, | |
701 | .init_machine = mini2440_init, | |
702 | .init_irq = s3c24xx_init_irq, | |
703 | .timer = &s3c24xx_timer, | |
704 | MACHINE_END |