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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 | ||
40b956f0 | 56 | #include <plat/gpio-cfg.h> |
5102aa4a MP |
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 | ||
5102aa4a | 100 | static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { |
e27c3c5c | 101 | .pullup_pin = S3C2410_GPC(5), |
5102aa4a MP |
102 | }; |
103 | ||
104 | ||
105 | /* LCD timing and setup */ | |
106 | ||
107 | /* | |
108 | * This macro simplifies the table bellow | |
109 | */ | |
110 | #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \ | |
111 | _yres,margin_top,margin_bottom,vsync, refresh) \ | |
112 | .width = _xres, \ | |
113 | .xres = _xres, \ | |
114 | .height = _yres, \ | |
115 | .yres = _yres, \ | |
116 | .left_margin = margin_left, \ | |
117 | .right_margin = margin_right, \ | |
118 | .upper_margin = margin_top, \ | |
119 | .lower_margin = margin_bottom, \ | |
120 | .hsync_len = hsync, \ | |
121 | .vsync_len = vsync, \ | |
122 | .pixclock = ((_clock*100000000000LL) / \ | |
123 | ((refresh) * \ | |
124 | (hsync + margin_left + _xres + margin_right) * \ | |
125 | (vsync + margin_top + _yres + margin_bottom))), \ | |
126 | .bpp = 16,\ | |
127 | .type = (S3C2410_LCDCON1_TFT16BPP |\ | |
128 | S3C2410_LCDCON1_TFT) | |
129 | ||
00709947 | 130 | static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { |
5102aa4a MP |
131 | [0] = { /* mini2440 + 3.5" TFT + touchscreen */ |
132 | _LCD_DECLARE( | |
133 | 7, /* The 3.5 is quite fast */ | |
134 | 240, 21, 38, 6, /* x timing */ | |
135 | 320, 4, 4, 2, /* y timing */ | |
136 | 60), /* refresh rate */ | |
137 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
138 | S3C2410_LCDCON5_INVVLINE | | |
139 | S3C2410_LCDCON5_INVVFRAME | | |
140 | S3C2410_LCDCON5_INVVDEN | | |
141 | S3C2410_LCDCON5_PWREN), | |
142 | }, | |
143 | [1] = { /* mini2440 + 7" TFT + touchscreen */ | |
144 | _LCD_DECLARE( | |
145 | 10, /* the 7" runs slower */ | |
146 | 800, 40, 40, 48, /* x timing */ | |
147 | 480, 29, 3, 3, /* y timing */ | |
148 | 50), /* refresh rate */ | |
149 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
150 | S3C2410_LCDCON5_INVVLINE | | |
151 | S3C2410_LCDCON5_INVVFRAME | | |
152 | S3C2410_LCDCON5_PWREN), | |
153 | }, | |
154 | /* The VGA shield can outout at several resolutions. All share | |
155 | * the same timings, however, anything smaller than 1024x768 | |
156 | * will only be displayed in the top left corner of a 1024x768 | |
157 | * XGA output unless you add optional dip switches to the shield. | |
25985edc | 158 | * Therefore timings for other resolutions have been omitted here. |
5102aa4a MP |
159 | */ |
160 | [2] = { | |
161 | _LCD_DECLARE( | |
162 | 10, | |
163 | 1024, 1, 2, 2, /* y timing */ | |
164 | 768, 200, 16, 16, /* x timing */ | |
165 | 24), /* refresh rate, maximum stable, | |
166 | tested with the FPGA shield */ | |
167 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | |
168 | S3C2410_LCDCON5_HWSWP), | |
169 | }, | |
170 | }; | |
171 | ||
172 | /* todo - put into gpio header */ | |
173 | ||
174 | #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) | |
175 | #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) | |
176 | ||
00709947 | 177 | static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { |
5102aa4a MP |
178 | .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ |
179 | .num_displays = 1, | |
180 | .default_display = 0, | |
181 | ||
182 | /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN | |
183 | * and disable the pull down resistors on pins we are using for LCD | |
184 | * data. */ | |
185 | ||
186 | .gpcup = (0xf << 1) | (0x3f << 10), | |
187 | ||
188 | .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | | |
189 | S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | | |
190 | S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | | |
191 | S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | | |
192 | S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), | |
193 | ||
194 | .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | | |
195 | S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | | |
196 | S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | | |
197 | S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | | |
198 | S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), | |
199 | ||
200 | .gpdup = (0x3f << 2) | (0x3f << 10), | |
201 | ||
202 | .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | | |
203 | S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | | |
204 | S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | | |
205 | S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | | |
206 | S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | | |
207 | S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), | |
208 | ||
209 | .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | | |
210 | S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | | |
211 | S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | | |
212 | S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| | |
213 | S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| | |
214 | S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), | |
215 | }; | |
216 | ||
217 | /* MMC/SD */ | |
218 | ||
219 | static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { | |
220 | .gpio_detect = S3C2410_GPG(8), | |
221 | .gpio_wprotect = S3C2410_GPH(8), | |
222 | .set_power = NULL, | |
223 | .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, | |
224 | }; | |
225 | ||
226 | /* NAND Flash on MINI2440 board */ | |
227 | ||
228 | static struct mtd_partition mini2440_default_nand_part[] __initdata = { | |
229 | [0] = { | |
230 | .name = "u-boot", | |
231 | .size = SZ_256K, | |
232 | .offset = 0, | |
233 | }, | |
234 | [1] = { | |
235 | .name = "u-boot-env", | |
236 | .size = SZ_128K, | |
237 | .offset = SZ_256K, | |
238 | }, | |
239 | [2] = { | |
240 | .name = "kernel", | |
241 | /* 5 megabytes, for a kernel with no modules | |
242 | * or a uImage with a ramdisk attached */ | |
243 | .size = 0x00500000, | |
244 | .offset = SZ_256K + SZ_128K, | |
245 | }, | |
246 | [3] = { | |
247 | .name = "root", | |
248 | .offset = SZ_256K + SZ_128K + 0x00500000, | |
249 | .size = MTDPART_SIZ_FULL, | |
250 | }, | |
251 | }; | |
252 | ||
253 | static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { | |
254 | [0] = { | |
255 | .name = "nand", | |
256 | .nr_chips = 1, | |
257 | .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), | |
258 | .partitions = mini2440_default_nand_part, | |
51af243c | 259 | .flash_bbt = 1, /* we use u-boot to create a BBT */ |
5102aa4a MP |
260 | }, |
261 | }; | |
262 | ||
263 | static struct s3c2410_platform_nand mini2440_nand_info __initdata = { | |
264 | .tacls = 0, | |
265 | .twrph0 = 25, | |
266 | .twrph1 = 15, | |
267 | .nr_sets = ARRAY_SIZE(mini2440_nand_sets), | |
268 | .sets = mini2440_nand_sets, | |
269 | .ignore_unset_ecc = 1, | |
270 | }; | |
271 | ||
272 | /* DM9000AEP 10/100 ethernet controller */ | |
273 | ||
3ce2f76f | 274 | static struct resource mini2440_dm9k_resource[] = { |
5102aa4a MP |
275 | [0] = { |
276 | .start = MACH_MINI2440_DM9K_BASE, | |
277 | .end = MACH_MINI2440_DM9K_BASE + 3, | |
278 | .flags = IORESOURCE_MEM | |
279 | }, | |
280 | [1] = { | |
281 | .start = MACH_MINI2440_DM9K_BASE + 4, | |
282 | .end = MACH_MINI2440_DM9K_BASE + 7, | |
283 | .flags = IORESOURCE_MEM | |
284 | }, | |
285 | [2] = { | |
286 | .start = IRQ_EINT7, | |
287 | .end = IRQ_EINT7, | |
288 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | |
289 | } | |
290 | }; | |
291 | ||
292 | /* | |
293 | * The DM9000 has no eeprom, and it's MAC address is set by | |
294 | * the bootloader before starting the kernel. | |
295 | */ | |
3ce2f76f | 296 | static struct dm9000_plat_data mini2440_dm9k_pdata = { |
5102aa4a MP |
297 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), |
298 | }; | |
299 | ||
3ce2f76f | 300 | static struct platform_device mini2440_device_eth = { |
5102aa4a MP |
301 | .name = "dm9000", |
302 | .id = -1, | |
303 | .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), | |
304 | .resource = mini2440_dm9k_resource, | |
305 | .dev = { | |
306 | .platform_data = &mini2440_dm9k_pdata, | |
307 | }, | |
308 | }; | |
309 | ||
310 | /* CON5 | |
311 | * +--+ /-----\ | |
312 | * | | | | | |
313 | * | | | BAT | | |
314 | * | | \_____/ | |
315 | * | | | |
316 | * | | +----+ +----+ | |
317 | * | | | K5 | | K1 | | |
318 | * | | +----+ +----+ | |
319 | * | | +----+ +----+ | |
320 | * | | | K4 | | K2 | | |
321 | * | | +----+ +----+ | |
322 | * | | +----+ +----+ | |
323 | * | | | K6 | | K3 | | |
324 | * | | +----+ +----+ | |
325 | * ..... | |
326 | */ | |
3ce2f76f | 327 | static struct gpio_keys_button mini2440_buttons[] = { |
5102aa4a MP |
328 | { |
329 | .gpio = S3C2410_GPG(0), /* K1 */ | |
330 | .code = KEY_F1, | |
331 | .desc = "Button 1", | |
332 | .active_low = 1, | |
333 | }, | |
334 | { | |
335 | .gpio = S3C2410_GPG(3), /* K2 */ | |
336 | .code = KEY_F2, | |
337 | .desc = "Button 2", | |
338 | .active_low = 1, | |
339 | }, | |
340 | { | |
341 | .gpio = S3C2410_GPG(5), /* K3 */ | |
342 | .code = KEY_F3, | |
343 | .desc = "Button 3", | |
344 | .active_low = 1, | |
345 | }, | |
346 | { | |
347 | .gpio = S3C2410_GPG(6), /* K4 */ | |
348 | .code = KEY_POWER, | |
349 | .desc = "Power", | |
350 | .active_low = 1, | |
351 | }, | |
352 | { | |
353 | .gpio = S3C2410_GPG(7), /* K5 */ | |
354 | .code = KEY_F5, | |
355 | .desc = "Button 5", | |
356 | .active_low = 1, | |
357 | }, | |
358 | #if 0 | |
359 | /* this pin is also known as TCLK1 and seems to already | |
360 | * marked as "in use" somehow in the kernel -- possibly wrongly */ | |
361 | { | |
362 | .gpio = S3C2410_GPG(11), /* K6 */ | |
363 | .code = KEY_F6, | |
364 | .desc = "Button 6", | |
365 | .active_low = 1, | |
366 | }, | |
367 | #endif | |
368 | }; | |
369 | ||
3ce2f76f | 370 | static struct gpio_keys_platform_data mini2440_button_data = { |
5102aa4a MP |
371 | .buttons = mini2440_buttons, |
372 | .nbuttons = ARRAY_SIZE(mini2440_buttons), | |
373 | }; | |
374 | ||
3ce2f76f | 375 | static struct platform_device mini2440_button_device = { |
5102aa4a MP |
376 | .name = "gpio-keys", |
377 | .id = -1, | |
378 | .dev = { | |
379 | .platform_data = &mini2440_button_data, | |
380 | } | |
381 | }; | |
382 | ||
383 | /* LEDS */ | |
384 | ||
0a3727ff | 385 | static struct s3c24xx_led_platdata mini2440_led1_pdata = { |
5102aa4a MP |
386 | .name = "led1", |
387 | .gpio = S3C2410_GPB(5), | |
388 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
389 | .def_trigger = "heartbeat", | |
390 | }; | |
391 | ||
0a3727ff | 392 | static struct s3c24xx_led_platdata mini2440_led2_pdata = { |
5102aa4a MP |
393 | .name = "led2", |
394 | .gpio = S3C2410_GPB(6), | |
395 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
396 | .def_trigger = "nand-disk", | |
397 | }; | |
398 | ||
0a3727ff | 399 | static struct s3c24xx_led_platdata mini2440_led3_pdata = { |
5102aa4a MP |
400 | .name = "led3", |
401 | .gpio = S3C2410_GPB(7), | |
402 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
403 | .def_trigger = "mmc0", | |
404 | }; | |
405 | ||
0a3727ff | 406 | static struct s3c24xx_led_platdata mini2440_led4_pdata = { |
5102aa4a MP |
407 | .name = "led4", |
408 | .gpio = S3C2410_GPB(8), | |
409 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | |
410 | .def_trigger = "", | |
411 | }; | |
412 | ||
0a3727ff | 413 | static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { |
5102aa4a MP |
414 | .name = "backlight", |
415 | .gpio = S3C2410_GPG(4), | |
416 | .def_trigger = "backlight", | |
417 | }; | |
418 | ||
3ce2f76f | 419 | static struct platform_device mini2440_led1 = { |
5102aa4a MP |
420 | .name = "s3c24xx_led", |
421 | .id = 1, | |
422 | .dev = { | |
423 | .platform_data = &mini2440_led1_pdata, | |
424 | }, | |
425 | }; | |
426 | ||
3ce2f76f | 427 | static struct platform_device mini2440_led2 = { |
5102aa4a MP |
428 | .name = "s3c24xx_led", |
429 | .id = 2, | |
430 | .dev = { | |
431 | .platform_data = &mini2440_led2_pdata, | |
432 | }, | |
433 | }; | |
434 | ||
3ce2f76f | 435 | static struct platform_device mini2440_led3 = { |
5102aa4a MP |
436 | .name = "s3c24xx_led", |
437 | .id = 3, | |
438 | .dev = { | |
439 | .platform_data = &mini2440_led3_pdata, | |
440 | }, | |
441 | }; | |
442 | ||
3ce2f76f | 443 | static struct platform_device mini2440_led4 = { |
5102aa4a MP |
444 | .name = "s3c24xx_led", |
445 | .id = 4, | |
446 | .dev = { | |
447 | .platform_data = &mini2440_led4_pdata, | |
448 | }, | |
449 | }; | |
450 | ||
3ce2f76f | 451 | static struct platform_device mini2440_led_backlight = { |
5102aa4a MP |
452 | .name = "s3c24xx_led", |
453 | .id = 5, | |
454 | .dev = { | |
455 | .platform_data = &mini2440_led_backlight_pdata, | |
456 | }, | |
457 | }; | |
458 | ||
459 | /* AUDIO */ | |
460 | ||
3ce2f76f | 461 | static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = { |
5102aa4a MP |
462 | .l3_clk = S3C2410_GPB(4), |
463 | .l3_mode = S3C2410_GPB(2), | |
464 | .l3_data = S3C2410_GPB(3), | |
465 | .model = UDA134X_UDA1341 | |
466 | }; | |
467 | ||
3ce2f76f | 468 | static struct platform_device mini2440_audio = { |
5102aa4a MP |
469 | .name = "s3c24xx_uda134x", |
470 | .id = 0, | |
471 | .dev = { | |
472 | .platform_data = &mini2440_audio_pins, | |
473 | }, | |
474 | }; | |
475 | ||
476 | /* | |
477 | * I2C devices | |
478 | */ | |
479 | static struct at24_platform_data at24c08 = { | |
480 | .byte_len = SZ_8K / 8, | |
481 | .page_size = 16, | |
482 | }; | |
483 | ||
484 | static struct i2c_board_info mini2440_i2c_devs[] __initdata = { | |
485 | { | |
486 | I2C_BOARD_INFO("24c08", 0x50), | |
487 | .platform_data = &at24c08, | |
488 | }, | |
489 | }; | |
490 | ||
a110f4ef MB |
491 | static struct platform_device uda1340_codec = { |
492 | .name = "uda134x-codec", | |
493 | .id = -1, | |
494 | }; | |
495 | ||
5102aa4a | 496 | static struct platform_device *mini2440_devices[] __initdata = { |
b813248c | 497 | &s3c_device_ohci, |
5102aa4a | 498 | &s3c_device_wdt, |
5102aa4a MP |
499 | &s3c_device_i2c0, |
500 | &s3c_device_rtc, | |
501 | &s3c_device_usbgadget, | |
502 | &mini2440_device_eth, | |
503 | &mini2440_led1, | |
504 | &mini2440_led2, | |
505 | &mini2440_led3, | |
506 | &mini2440_led4, | |
507 | &mini2440_button_device, | |
508 | &s3c_device_nand, | |
509 | &s3c_device_sdi, | |
510 | &s3c_device_iis, | |
a110f4ef | 511 | &uda1340_codec, |
5102aa4a | 512 | &mini2440_audio, |
a110f4ef | 513 | &samsung_asoc_dma, |
5102aa4a MP |
514 | }; |
515 | ||
516 | static void __init mini2440_map_io(void) | |
517 | { | |
518 | s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); | |
519 | s3c24xx_init_clocks(12000000); | |
520 | s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); | |
5102aa4a MP |
521 | } |
522 | ||
523 | /* | |
524 | * mini2440_features string | |
525 | * | |
526 | * t = Touchscreen present | |
527 | * b = backlight control | |
528 | * c = camera [TODO] | |
529 | * 0-9 LCD configuration | |
530 | * | |
531 | */ | |
532 | static char mini2440_features_str[12] __initdata = "0tb"; | |
533 | ||
534 | static int __init mini2440_features_setup(char *str) | |
535 | { | |
536 | if (str) | |
537 | strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str)); | |
538 | return 1; | |
539 | } | |
540 | ||
541 | __setup("mini2440=", mini2440_features_setup); | |
542 | ||
543 | #define FEATURE_SCREEN (1 << 0) | |
544 | #define FEATURE_BACKLIGHT (1 << 1) | |
545 | #define FEATURE_TOUCH (1 << 2) | |
546 | #define FEATURE_CAMERA (1 << 3) | |
547 | ||
548 | struct mini2440_features_t { | |
549 | int count; | |
550 | int done; | |
551 | int lcd_index; | |
552 | struct platform_device *optional[8]; | |
553 | }; | |
554 | ||
d34c1fcd | 555 | static void __init mini2440_parse_features( |
5102aa4a MP |
556 | struct mini2440_features_t * features, |
557 | const char * features_str ) | |
558 | { | |
559 | const char * fp = features_str; | |
560 | ||
561 | features->count = 0; | |
562 | features->done = 0; | |
563 | features->lcd_index = -1; | |
564 | ||
565 | while (*fp) { | |
566 | char f = *fp++; | |
567 | ||
568 | switch (f) { | |
569 | case '0'...'9': /* tft screen */ | |
570 | if (features->done & FEATURE_SCREEN) { | |
571 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
572 | "screen type already set\n", f); | |
573 | } else { | |
574 | int li = f - '0'; | |
575 | if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) | |
576 | printk(KERN_INFO "MINI2440: " | |
577 | "'%c' out of range LCD mode\n", f); | |
578 | else { | |
579 | features->optional[features->count++] = | |
580 | &s3c_device_lcd; | |
581 | features->lcd_index = li; | |
582 | } | |
583 | } | |
584 | features->done |= FEATURE_SCREEN; | |
585 | break; | |
586 | case 'b': | |
587 | if (features->done & FEATURE_BACKLIGHT) | |
588 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
589 | "backlight already set\n", f); | |
590 | else { | |
591 | features->optional[features->count++] = | |
592 | &mini2440_led_backlight; | |
593 | } | |
594 | features->done |= FEATURE_BACKLIGHT; | |
595 | break; | |
596 | case 't': | |
597 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
598 | "touchscreen not compiled in\n", f); | |
599 | break; | |
600 | case 'c': | |
601 | if (features->done & FEATURE_CAMERA) | |
602 | printk(KERN_INFO "MINI2440: '%c' ignored, " | |
603 | "camera already registered\n", f); | |
604 | else | |
605 | features->optional[features->count++] = | |
606 | &s3c_device_camif; | |
607 | features->done |= FEATURE_CAMERA; | |
608 | break; | |
609 | } | |
610 | } | |
611 | } | |
612 | ||
613 | static void __init mini2440_init(void) | |
614 | { | |
615 | struct mini2440_features_t features = { 0 }; | |
616 | int i; | |
617 | ||
618 | printk(KERN_INFO "MINI2440: Option string mini2440=%s\n", | |
619 | mini2440_features_str); | |
620 | ||
621 | /* Parse the feature string */ | |
622 | mini2440_parse_features(&features, mini2440_features_str); | |
623 | ||
624 | /* turn LCD on */ | |
40b956f0 | 625 | s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); |
5102aa4a MP |
626 | |
627 | /* Turn the backlight early on */ | |
64f508da BD |
628 | WARN_ON(gpio_request(S3C2410_GPG(4), "backlight")); |
629 | gpio_direction_output(S3C2410_GPG(4), 1); | |
5102aa4a MP |
630 | |
631 | /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ | |
64f508da | 632 | s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); |
5102aa4a | 633 | s3c2410_gpio_setpin(S3C2410_GPB(1), 0); |
40b956f0 | 634 | s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); |
5102aa4a | 635 | |
5102aa4a MP |
636 | /* mark the key as input, without pullups (there is one on the board) */ |
637 | for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { | |
64f508da BD |
638 | s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); |
639 | s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); | |
5102aa4a MP |
640 | } |
641 | if (features.lcd_index != -1) { | |
642 | int li; | |
643 | ||
644 | mini2440_fb_info.displays = | |
645 | &mini2440_lcd_cfg[features.lcd_index]; | |
646 | ||
647 | printk(KERN_INFO "MINI2440: LCD"); | |
648 | for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) | |
649 | if (li == features.lcd_index) | |
650 | printk(" [%d:%dx%d]", li, | |
651 | mini2440_lcd_cfg[li].width, | |
652 | mini2440_lcd_cfg[li].height); | |
653 | else | |
654 | printk(" %d:%dx%d", li, | |
655 | mini2440_lcd_cfg[li].width, | |
656 | mini2440_lcd_cfg[li].height); | |
657 | printk("\n"); | |
658 | s3c24xx_fb_set_platdata(&mini2440_fb_info); | |
659 | } | |
2a3a1804 | 660 | |
5102aa4a | 661 | s3c24xx_udc_set_platdata(&mini2440_udc_cfg); |
22c810ab | 662 | s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); |
2a3a1804 | 663 | s3c_nand_set_platdata(&mini2440_nand_info); |
5102aa4a | 664 | s3c_i2c0_set_platdata(NULL); |
2a3a1804 | 665 | |
5102aa4a MP |
666 | i2c_register_board_info(0, mini2440_i2c_devs, |
667 | ARRAY_SIZE(mini2440_i2c_devs)); | |
668 | ||
669 | platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); | |
670 | ||
671 | if (features.count) /* the optional features */ | |
672 | platform_add_devices(features.optional, features.count); | |
673 | ||
674 | } | |
675 | ||
676 | ||
677 | MACHINE_START(MINI2440, "MINI2440") | |
678 | /* Maintainer: Michel Pollet <buserror@gmail.com> */ | |
5102aa4a MP |
679 | .boot_params = S3C2410_SDRAM_PA + 0x100, |
680 | .map_io = mini2440_map_io, | |
681 | .init_machine = mini2440_init, | |
682 | .init_irq = s3c24xx_init_irq, | |
683 | .timer = &s3c24xx_timer, | |
684 | MACHINE_END |