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Commit | Line | Data |
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2a23ec36 JM |
1 | /* |
2 | * linux/arch/arm/mach-pxa/balloon3.c | |
3 | * | |
4 | * Support for Balloonboard.org Balloon3 board. | |
5 | * | |
6 | * Author: Nick Bane, Wookey, Jonathan McDowell | |
7 | * Created: June, 2006 | |
8 | * Copyright: Toby Churchill Ltd | |
9 | * Derived from mainstone.c, by Nico Pitre | |
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/init.h> | |
17 | #include <linux/platform_device.h> | |
2a23ec36 JM |
18 | #include <linux/interrupt.h> |
19 | #include <linux/sched.h> | |
20 | #include <linux/bitops.h> | |
21 | #include <linux/fb.h> | |
22 | #include <linux/gpio.h> | |
23 | #include <linux/ioport.h> | |
12a2449c | 24 | #include <linux/ucb1400.h> |
2a23ec36 JM |
25 | #include <linux/mtd/mtd.h> |
26 | #include <linux/mtd/partitions.h> | |
27 | #include <linux/types.h> | |
02a453e4 | 28 | #include <linux/i2c/pcf857x.h> |
b459396e | 29 | #include <linux/i2c/pxa-i2c.h> |
e6a8ef54 MV |
30 | #include <linux/mtd/nand.h> |
31 | #include <linux/mtd/physmap.h> | |
3a27f6e0 | 32 | #include <linux/regulator/max1586.h> |
2a23ec36 JM |
33 | |
34 | #include <asm/setup.h> | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/irq.h> | |
37 | #include <asm/sizes.h> | |
38 | ||
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
41 | #include <asm/mach/irq.h> | |
42 | #include <asm/mach/flash.h> | |
43 | ||
44 | #include <mach/pxa27x.h> | |
45 | #include <mach/balloon3.h> | |
46 | #include <mach/audio.h> | |
47 | #include <mach/pxafb.h> | |
48 | #include <mach/mmc.h> | |
49 | #include <mach/udc.h> | |
50 | #include <mach/pxa27x-udc.h> | |
51 | #include <mach/irda.h> | |
52 | #include <mach/ohci.h> | |
53 | ||
2a23ec36 JM |
54 | #include "generic.h" |
55 | #include "devices.h" | |
56 | ||
b0240bf4 MV |
57 | /****************************************************************************** |
58 | * Pin configuration | |
59 | ******************************************************************************/ | |
60 | static unsigned long balloon3_pin_config[] __initdata = { | |
61 | /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */ | |
62 | GPIO42_BTUART_RXD, | |
63 | GPIO43_BTUART_TXD, | |
64 | GPIO44_BTUART_CTS, | |
65 | GPIO45_BTUART_RTS, | |
2a23ec36 | 66 | |
12a2449c | 67 | /* Reset, configured as GPIO wakeup source */ |
b0240bf4 | 68 | GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, |
c11b6a42 EM |
69 | }; |
70 | ||
b0240bf4 | 71 | /****************************************************************************** |
12a2449c | 72 | * Compatibility: Parameter parsing |
b0240bf4 | 73 | ******************************************************************************/ |
12a2449c | 74 | static unsigned long balloon3_irq_enabled; |
b0240bf4 | 75 | |
12a2449c MV |
76 | static unsigned long balloon3_features_present = |
77 | (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) | | |
78 | (1 << BALLOON3_FEATURE_AUDIO) | | |
79 | (1 << BALLOON3_FEATURE_TOPPOLY); | |
80 | ||
81 | int balloon3_has(enum balloon3_features feature) | |
2a23ec36 | 82 | { |
12a2449c MV |
83 | return (balloon3_features_present & (1 << feature)) ? 1 : 0; |
84 | } | |
85 | EXPORT_SYMBOL_GPL(balloon3_has); | |
86 | ||
87 | int __init parse_balloon3_features(char *arg) | |
88 | { | |
89 | if (!arg) | |
90 | return 0; | |
91 | ||
92 | return strict_strtoul(arg, 0, &balloon3_features_present); | |
2a23ec36 | 93 | } |
12a2449c | 94 | early_param("balloon3_features", parse_balloon3_features); |
2a23ec36 | 95 | |
b476ef05 MV |
96 | /****************************************************************************** |
97 | * Compact Flash slot | |
98 | ******************************************************************************/ | |
99 | #if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) | |
100 | static unsigned long balloon3_cf_pin_config[] __initdata = { | |
101 | GPIO48_nPOE, | |
102 | GPIO49_nPWE, | |
103 | GPIO50_nPIOR, | |
104 | GPIO51_nPIOW, | |
105 | GPIO85_nPCE_1, | |
106 | GPIO54_nPCE_2, | |
107 | GPIO79_PSKTSEL, | |
108 | GPIO55_nPREG, | |
109 | GPIO56_nPWAIT, | |
110 | GPIO57_nIOIS16, | |
111 | }; | |
112 | ||
113 | static void __init balloon3_cf_init(void) | |
114 | { | |
115 | if (!balloon3_has(BALLOON3_FEATURE_CF)) | |
116 | return; | |
117 | ||
118 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_cf_pin_config)); | |
119 | } | |
120 | #else | |
121 | static inline void balloon3_cf_init(void) {} | |
122 | #endif | |
123 | ||
12a2449c MV |
124 | /****************************************************************************** |
125 | * NOR Flash | |
126 | ******************************************************************************/ | |
127 | #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) | |
128 | static struct mtd_partition balloon3_nor_partitions[] = { | |
129 | { | |
130 | .name = "Flash", | |
131 | .offset = 0x00000000, | |
132 | .size = MTDPART_SIZ_FULL, | |
133 | } | |
134 | }; | |
135 | ||
136 | static struct physmap_flash_data balloon3_flash_data[] = { | |
137 | { | |
138 | .width = 2, /* bankwidth in bytes */ | |
139 | .parts = balloon3_nor_partitions, | |
140 | .nr_parts = ARRAY_SIZE(balloon3_nor_partitions) | |
141 | } | |
142 | }; | |
143 | ||
144 | static struct resource balloon3_flash_resource = { | |
145 | .start = PXA_CS0_PHYS, | |
146 | .end = PXA_CS0_PHYS + SZ_64M - 1, | |
147 | .flags = IORESOURCE_MEM, | |
148 | }; | |
149 | ||
150 | static struct platform_device balloon3_flash = { | |
151 | .name = "physmap-flash", | |
152 | .id = 0, | |
153 | .resource = &balloon3_flash_resource, | |
154 | .num_resources = 1, | |
155 | .dev = { | |
156 | .platform_data = balloon3_flash_data, | |
157 | }, | |
158 | }; | |
159 | static void __init balloon3_nor_init(void) | |
160 | { | |
161 | platform_device_register(&balloon3_flash); | |
162 | } | |
163 | #else | |
164 | static inline void balloon3_nor_init(void) {} | |
165 | #endif | |
166 | ||
167 | /****************************************************************************** | |
168 | * Audio and Touchscreen | |
169 | ******************************************************************************/ | |
170 | #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ | |
171 | defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) | |
b476ef05 MV |
172 | static unsigned long balloon3_ac97_pin_config[] __initdata = { |
173 | GPIO28_AC97_BITCLK, | |
174 | GPIO29_AC97_SDATA_IN_0, | |
175 | GPIO30_AC97_SDATA_OUT, | |
176 | GPIO31_AC97_SYNC, | |
177 | GPIO113_AC97_nRESET, | |
178 | GPIO95_GPIO, | |
179 | }; | |
180 | ||
12a2449c MV |
181 | static struct ucb1400_pdata vpac270_ucb1400_pdata = { |
182 | .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ), | |
183 | }; | |
184 | ||
185 | ||
186 | static struct platform_device balloon3_ucb1400_device = { | |
187 | .name = "ucb1400_core", | |
188 | .id = -1, | |
189 | .dev = { | |
190 | .platform_data = &vpac270_ucb1400_pdata, | |
191 | }, | |
192 | }; | |
193 | ||
194 | static void __init balloon3_ts_init(void) | |
195 | { | |
196 | if (!balloon3_has(BALLOON3_FEATURE_AUDIO)) | |
197 | return; | |
198 | ||
b476ef05 | 199 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config)); |
12a2449c MV |
200 | pxa_set_ac97_info(NULL); |
201 | platform_device_register(&balloon3_ucb1400_device); | |
202 | } | |
203 | #else | |
204 | static inline void balloon3_ts_init(void) {} | |
205 | #endif | |
206 | ||
207 | /****************************************************************************** | |
208 | * Framebuffer | |
209 | ******************************************************************************/ | |
210 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) | |
b476ef05 MV |
211 | static unsigned long balloon3_lcd_pin_config[] __initdata = { |
212 | GPIOxx_LCD_TFT_16BPP, | |
213 | GPIO99_GPIO, | |
214 | }; | |
215 | ||
2a23ec36 JM |
216 | static struct pxafb_mode_info balloon3_lcd_modes[] = { |
217 | { | |
218 | .pixclock = 38000, | |
219 | .xres = 480, | |
220 | .yres = 640, | |
221 | .bpp = 16, | |
222 | .hsync_len = 8, | |
223 | .left_margin = 8, | |
224 | .right_margin = 8, | |
225 | .vsync_len = 2, | |
226 | .upper_margin = 4, | |
227 | .lower_margin = 5, | |
228 | .sync = 0, | |
229 | }, | |
230 | }; | |
231 | ||
12a2449c | 232 | static struct pxafb_mach_info balloon3_lcd_screen = { |
2a23ec36 JM |
233 | .modes = balloon3_lcd_modes, |
234 | .num_modes = ARRAY_SIZE(balloon3_lcd_modes), | |
235 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
2a23ec36 JM |
236 | }; |
237 | ||
12a2449c MV |
238 | static void balloon3_backlight_power(int on) |
239 | { | |
240 | gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); | |
241 | } | |
2a23ec36 | 242 | |
12a2449c | 243 | static void __init balloon3_lcd_init(void) |
2a23ec36 | 244 | { |
12a2449c MV |
245 | int ret; |
246 | ||
247 | if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY)) | |
248 | return; | |
249 | ||
b476ef05 MV |
250 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config)); |
251 | ||
12a2449c MV |
252 | ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON"); |
253 | if (ret) { | |
254 | pr_err("Requesting BKL-ON GPIO failed!\n"); | |
255 | goto err; | |
256 | } | |
257 | ||
258 | ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1); | |
259 | if (ret) { | |
260 | pr_err("Setting BKL-ON GPIO direction failed!\n"); | |
261 | goto err2; | |
2a23ec36 | 262 | } |
12a2449c MV |
263 | |
264 | balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power; | |
4321e1a1 | 265 | pxa_set_fb_info(NULL, &balloon3_lcd_screen); |
12a2449c MV |
266 | return; |
267 | ||
268 | err2: | |
269 | gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT); | |
270 | err: | |
271 | return; | |
2a23ec36 | 272 | } |
12a2449c MV |
273 | #else |
274 | static inline void balloon3_lcd_init(void) {} | |
275 | #endif | |
2a23ec36 | 276 | |
12a2449c MV |
277 | /****************************************************************************** |
278 | * SD/MMC card controller | |
279 | ******************************************************************************/ | |
280 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
b476ef05 MV |
281 | static unsigned long balloon3_mmc_pin_config[] __initdata = { |
282 | GPIO32_MMC_CLK, | |
283 | GPIO92_MMC_DAT_0, | |
284 | GPIO109_MMC_DAT_1, | |
285 | GPIO110_MMC_DAT_2, | |
286 | GPIO111_MMC_DAT_3, | |
287 | GPIO112_MMC_CMD, | |
288 | }; | |
289 | ||
2a23ec36 | 290 | static struct pxamci_platform_data balloon3_mci_platform_data = { |
12a2449c MV |
291 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
292 | .gpio_card_detect = -1, | |
293 | .gpio_card_ro = -1, | |
294 | .gpio_power = -1, | |
295 | .detect_delay_ms = 200, | |
2a23ec36 JM |
296 | }; |
297 | ||
12a2449c MV |
298 | static void __init balloon3_mmc_init(void) |
299 | { | |
b476ef05 | 300 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config)); |
12a2449c MV |
301 | pxa_set_mci_info(&balloon3_mci_platform_data); |
302 | } | |
303 | #else | |
304 | static inline void balloon3_mmc_init(void) {} | |
305 | #endif | |
306 | ||
b0240bf4 MV |
307 | /****************************************************************************** |
308 | * USB Gadget | |
309 | ******************************************************************************/ | |
12a2449c MV |
310 | #if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) |
311 | static void balloon3_udc_command(int cmd) | |
2a23ec36 | 312 | { |
12a2449c MV |
313 | if (cmd == PXA2XX_UDC_CMD_CONNECT) |
314 | UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; | |
315 | else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) | |
316 | UP2OCR &= ~UP2OCR_DPPUE; | |
2a23ec36 JM |
317 | } |
318 | ||
12a2449c | 319 | static int balloon3_udc_is_connected(void) |
2a23ec36 | 320 | { |
12a2449c | 321 | return 1; |
2a23ec36 JM |
322 | } |
323 | ||
12a2449c MV |
324 | static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = { |
325 | .udc_command = balloon3_udc_command, | |
326 | .udc_is_connected = balloon3_udc_is_connected, | |
327 | .gpio_pullup = -1, | |
2a23ec36 JM |
328 | }; |
329 | ||
12a2449c MV |
330 | static void __init balloon3_udc_init(void) |
331 | { | |
332 | pxa_set_udc_info(&balloon3_udc_info); | |
333 | platform_device_register(&balloon3_gpio_vbus); | |
334 | } | |
335 | #else | |
336 | static inline void balloon3_udc_init(void) {} | |
337 | #endif | |
338 | ||
b0240bf4 MV |
339 | /****************************************************************************** |
340 | * IrDA | |
341 | ******************************************************************************/ | |
12a2449c | 342 | #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) |
2a23ec36 | 343 | static struct pxaficp_platform_data balloon3_ficp_platform_data = { |
12a2449c | 344 | .transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF, |
2a23ec36 JM |
345 | }; |
346 | ||
12a2449c MV |
347 | static void __init balloon3_irda_init(void) |
348 | { | |
349 | pxa_set_ficp_info(&balloon3_ficp_platform_data); | |
350 | } | |
351 | #else | |
352 | static inline void balloon3_irda_init(void) {} | |
353 | #endif | |
354 | ||
b0240bf4 MV |
355 | /****************************************************************************** |
356 | * USB Host | |
357 | ******************************************************************************/ | |
12a2449c | 358 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
b476ef05 MV |
359 | static unsigned long balloon3_uhc_pin_config[] __initdata = { |
360 | GPIO88_USBH1_PWR, | |
361 | GPIO89_USBH1_PEN, | |
362 | }; | |
363 | ||
12a2449c | 364 | static struct pxaohci_platform_data balloon3_ohci_info = { |
2a23ec36 JM |
365 | .port_mode = PMM_PERPORT_MODE, |
366 | .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, | |
367 | }; | |
368 | ||
12a2449c MV |
369 | static void __init balloon3_uhc_init(void) |
370 | { | |
371 | if (!balloon3_has(BALLOON3_FEATURE_OHCI)) | |
372 | return; | |
b476ef05 | 373 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_uhc_pin_config)); |
12a2449c MV |
374 | pxa_set_ohci_info(&balloon3_ohci_info); |
375 | } | |
376 | #else | |
377 | static inline void balloon3_uhc_init(void) {} | |
378 | #endif | |
379 | ||
b0240bf4 | 380 | /****************************************************************************** |
12a2449c | 381 | * LEDs |
b0240bf4 | 382 | ******************************************************************************/ |
12a2449c | 383 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
b476ef05 MV |
384 | static unsigned long balloon3_led_pin_config[] __initdata = { |
385 | GPIO9_GPIO, /* NAND activity LED */ | |
386 | GPIO10_GPIO, /* Heartbeat LED */ | |
387 | }; | |
388 | ||
12a2449c | 389 | struct gpio_led balloon3_gpio_leds[] = { |
2a23ec36 JM |
390 | { |
391 | .name = "balloon3:green:idle", | |
392 | .default_trigger = "heartbeat", | |
393 | .gpio = BALLOON3_GPIO_LED_IDLE, | |
394 | .active_low = 1, | |
12a2449c | 395 | }, { |
2a23ec36 JM |
396 | .name = "balloon3:green:nand", |
397 | .default_trigger = "nand-disk", | |
398 | .gpio = BALLOON3_GPIO_LED_NAND, | |
399 | .active_low = 1, | |
400 | }, | |
401 | }; | |
402 | ||
12a2449c | 403 | static struct gpio_led_platform_data balloon3_gpio_led_info = { |
2a23ec36 JM |
404 | .leds = balloon3_gpio_leds, |
405 | .num_leds = ARRAY_SIZE(balloon3_gpio_leds), | |
406 | }; | |
407 | ||
12a2449c | 408 | static struct platform_device balloon3_leds = { |
2a23ec36 | 409 | .name = "leds-gpio", |
02a453e4 | 410 | .id = 0, |
2a23ec36 | 411 | .dev = { |
12a2449c MV |
412 | .platform_data = &balloon3_gpio_led_info, |
413 | } | |
2a23ec36 JM |
414 | }; |
415 | ||
02a453e4 MV |
416 | struct gpio_led balloon3_pcf_gpio_leds[] = { |
417 | { | |
418 | .name = "balloon3:green:led0", | |
419 | .gpio = BALLOON3_PCF_GPIO_LED0, | |
420 | .active_low = 1, | |
421 | }, { | |
422 | .name = "balloon3:green:led1", | |
423 | .gpio = BALLOON3_PCF_GPIO_LED1, | |
424 | .active_low = 1, | |
425 | }, { | |
426 | .name = "balloon3:orange:led2", | |
427 | .gpio = BALLOON3_PCF_GPIO_LED2, | |
428 | .active_low = 1, | |
429 | }, { | |
430 | .name = "balloon3:orange:led3", | |
431 | .gpio = BALLOON3_PCF_GPIO_LED3, | |
432 | .active_low = 1, | |
433 | }, { | |
434 | .name = "balloon3:orange:led4", | |
435 | .gpio = BALLOON3_PCF_GPIO_LED4, | |
436 | .active_low = 1, | |
437 | }, { | |
438 | .name = "balloon3:orange:led5", | |
439 | .gpio = BALLOON3_PCF_GPIO_LED5, | |
440 | .active_low = 1, | |
441 | }, { | |
442 | .name = "balloon3:red:led6", | |
443 | .gpio = BALLOON3_PCF_GPIO_LED6, | |
444 | .active_low = 1, | |
445 | }, { | |
446 | .name = "balloon3:red:led7", | |
447 | .gpio = BALLOON3_PCF_GPIO_LED7, | |
448 | .active_low = 1, | |
449 | }, | |
450 | }; | |
451 | ||
452 | static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = { | |
453 | .leds = balloon3_pcf_gpio_leds, | |
454 | .num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds), | |
455 | }; | |
456 | ||
457 | static struct platform_device balloon3_pcf_leds = { | |
458 | .name = "leds-gpio", | |
459 | .id = 1, | |
460 | .dev = { | |
461 | .platform_data = &balloon3_pcf_gpio_led_info, | |
462 | } | |
463 | }; | |
464 | ||
12a2449c | 465 | static void __init balloon3_leds_init(void) |
b0240bf4 | 466 | { |
b476ef05 | 467 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_led_pin_config)); |
12a2449c | 468 | platform_device_register(&balloon3_leds); |
02a453e4 | 469 | platform_device_register(&balloon3_pcf_leds); |
b0240bf4 | 470 | } |
12a2449c MV |
471 | #else |
472 | static inline void balloon3_leds_init(void) {} | |
473 | #endif | |
b0240bf4 MV |
474 | |
475 | /****************************************************************************** | |
476 | * FPGA IRQ | |
477 | ******************************************************************************/ | |
a3f4c927 | 478 | static void balloon3_mask_irq(struct irq_data *d) |
b0240bf4 | 479 | { |
a3f4c927 | 480 | int balloon3_irq = (d->irq - BALLOON3_IRQ(0)); |
b0240bf4 MV |
481 | balloon3_irq_enabled &= ~(1 << balloon3_irq); |
482 | __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); | |
483 | } | |
484 | ||
a3f4c927 | 485 | static void balloon3_unmask_irq(struct irq_data *d) |
b0240bf4 | 486 | { |
a3f4c927 | 487 | int balloon3_irq = (d->irq - BALLOON3_IRQ(0)); |
b0240bf4 MV |
488 | balloon3_irq_enabled |= (1 << balloon3_irq); |
489 | __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); | |
490 | } | |
491 | ||
492 | static struct irq_chip balloon3_irq_chip = { | |
493 | .name = "FPGA", | |
a3f4c927 LB |
494 | .irq_ack = balloon3_mask_irq, |
495 | .irq_mask = balloon3_mask_irq, | |
496 | .irq_unmask = balloon3_unmask_irq, | |
b0240bf4 MV |
497 | }; |
498 | ||
499 | static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc) | |
500 | { | |
501 | unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & | |
502 | balloon3_irq_enabled; | |
b0240bf4 MV |
503 | do { |
504 | /* clear useless edge notification */ | |
a3f4c927 LB |
505 | if (desc->irq_data.chip->irq_ack) { |
506 | struct irq_data *d; | |
507 | ||
508 | d = irq_get_irq_data(BALLOON3_AUX_NIRQ); | |
509 | desc->irq_data.chip->irq_ack(d); | |
510 | } | |
511 | ||
b0240bf4 MV |
512 | while (pending) { |
513 | irq = BALLOON3_IRQ(0) + __ffs(pending); | |
514 | generic_handle_irq(irq); | |
515 | pending &= pending - 1; | |
516 | } | |
517 | pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & | |
518 | balloon3_irq_enabled; | |
519 | } while (pending); | |
520 | } | |
521 | ||
522 | static void __init balloon3_init_irq(void) | |
523 | { | |
524 | int irq; | |
525 | ||
526 | pxa27x_init_irq(); | |
527 | /* setup extra Balloon3 irqs */ | |
528 | for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) { | |
f38c02f3 TG |
529 | irq_set_chip_and_handler(irq, &balloon3_irq_chip, |
530 | handle_level_irq); | |
b0240bf4 MV |
531 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); |
532 | } | |
533 | ||
6845664a TG |
534 | irq_set_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler); |
535 | irq_set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING); | |
b0240bf4 MV |
536 | |
537 | pr_debug("%s: chained handler installed - irq %d automatically " | |
538 | "enabled\n", __func__, BALLOON3_AUX_NIRQ); | |
539 | } | |
540 | ||
02a453e4 MV |
541 | /****************************************************************************** |
542 | * GPIO expander | |
543 | ******************************************************************************/ | |
544 | #if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE) | |
545 | static struct pcf857x_platform_data balloon3_pcf857x_pdata = { | |
546 | .gpio_base = BALLOON3_PCF_GPIO_BASE, | |
547 | .n_latch = 0, | |
548 | .setup = NULL, | |
549 | .teardown = NULL, | |
550 | .context = NULL, | |
551 | }; | |
552 | ||
553 | static struct i2c_board_info __initdata balloon3_i2c_devs[] = { | |
554 | { | |
555 | I2C_BOARD_INFO("pcf8574a", 0x38), | |
556 | .platform_data = &balloon3_pcf857x_pdata, | |
557 | }, | |
558 | }; | |
559 | ||
560 | static void __init balloon3_i2c_init(void) | |
561 | { | |
562 | pxa_set_i2c_info(NULL); | |
563 | i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs)); | |
564 | } | |
565 | #else | |
566 | static inline void balloon3_i2c_init(void) {} | |
567 | #endif | |
568 | ||
e6a8ef54 MV |
569 | /****************************************************************************** |
570 | * NAND | |
571 | ******************************************************************************/ | |
572 | #if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE) | |
e6a8ef54 MV |
573 | static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl) |
574 | { | |
575 | struct nand_chip *this = mtd->priv; | |
1b9169d8 | 576 | uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0; |
e6a8ef54 MV |
577 | |
578 | if (ctrl & NAND_CTRL_CHANGE) { | |
579 | if (ctrl & NAND_CLE) | |
1b9169d8 | 580 | balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLCLE; |
e6a8ef54 | 581 | else |
1b9169d8 | 582 | balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLCLE; |
e6a8ef54 MV |
583 | |
584 | if (ctrl & NAND_ALE) | |
1b9169d8 | 585 | balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLALE; |
e6a8ef54 | 586 | else |
1b9169d8 MV |
587 | balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLALE; |
588 | ||
589 | if (balloon3_ctl_clr) | |
590 | __raw_writel(balloon3_ctl_clr, | |
591 | BALLOON3_NAND_CONTROL_REG); | |
592 | if (balloon3_ctl_set) | |
593 | __raw_writel(balloon3_ctl_set, | |
594 | BALLOON3_NAND_CONTROL_REG | | |
595 | BALLOON3_FPGA_SETnCLR); | |
e6a8ef54 MV |
596 | } |
597 | ||
598 | if (cmd != NAND_CMD_NONE) | |
599 | writeb(cmd, this->IO_ADDR_W); | |
600 | } | |
601 | ||
602 | static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip) | |
603 | { | |
604 | if (chip < 0 || chip > 3) | |
605 | return; | |
606 | ||
1b9169d8 MV |
607 | /* Assert all nCE lines */ |
608 | __raw_writew( | |
609 | BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 | | |
610 | BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3, | |
611 | BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR); | |
e6a8ef54 MV |
612 | |
613 | /* Deassert correct nCE line */ | |
1b9169d8 MV |
614 | __raw_writew(BALLOON3_NAND_CONTROL_FLCE0 << chip, |
615 | BALLOON3_NAND_CONTROL_REG); | |
e6a8ef54 MV |
616 | } |
617 | ||
59bdd133 MV |
618 | static int balloon3_nand_dev_ready(struct mtd_info *mtd) |
619 | { | |
620 | return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB; | |
621 | } | |
622 | ||
e6a8ef54 MV |
623 | static int balloon3_nand_probe(struct platform_device *pdev) |
624 | { | |
e6a8ef54 MV |
625 | uint16_t ver; |
626 | int ret; | |
627 | ||
1b9169d8 MV |
628 | __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, |
629 | BALLOON3_NAND_CONTROL2_REG | BALLOON3_FPGA_SETnCLR); | |
e6a8ef54 MV |
630 | |
631 | ver = __raw_readw(BALLOON3_FPGA_VER); | |
1b9169d8 MV |
632 | if (ver < 0x4f08) |
633 | pr_warn("The FPGA code, version 0x%04x, is too old. " | |
e6a8ef54 MV |
634 | "NAND support might be broken in this version!", ver); |
635 | ||
636 | /* Power up the NAND chips */ | |
637 | ret = gpio_request(BALLOON3_GPIO_RUN_NAND, "NAND"); | |
638 | if (ret) | |
639 | goto err1; | |
640 | ||
641 | ret = gpio_direction_output(BALLOON3_GPIO_RUN_NAND, 1); | |
642 | if (ret) | |
643 | goto err2; | |
644 | ||
645 | gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1); | |
646 | ||
647 | /* Deassert all nCE lines and write protect line */ | |
1b9169d8 MV |
648 | __raw_writel( |
649 | BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 | | |
650 | BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 | | |
651 | BALLOON3_NAND_CONTROL_FLWP, | |
652 | BALLOON3_NAND_CONTROL_REG | BALLOON3_FPGA_SETnCLR); | |
e6a8ef54 MV |
653 | return 0; |
654 | ||
655 | err2: | |
656 | gpio_free(BALLOON3_GPIO_RUN_NAND); | |
657 | err1: | |
658 | return ret; | |
659 | } | |
660 | ||
661 | static void balloon3_nand_remove(struct platform_device *pdev) | |
662 | { | |
663 | /* Power down the NAND chips */ | |
664 | gpio_set_value(BALLOON3_GPIO_RUN_NAND, 0); | |
665 | gpio_free(BALLOON3_GPIO_RUN_NAND); | |
666 | } | |
667 | ||
668 | static struct mtd_partition balloon3_partition_info[] = { | |
669 | [0] = { | |
670 | .name = "Boot", | |
671 | .offset = 0, | |
672 | .size = SZ_4M, | |
673 | }, | |
674 | [1] = { | |
675 | .name = "RootFS", | |
676 | .offset = MTDPART_OFS_APPEND, | |
677 | .size = MTDPART_SIZ_FULL | |
678 | }, | |
679 | }; | |
680 | ||
681 | static const char *balloon3_part_probes[] = { "cmdlinepart", NULL }; | |
682 | ||
683 | struct platform_nand_data balloon3_nand_pdata = { | |
684 | .chip = { | |
685 | .nr_chips = 4, | |
686 | .chip_offset = 0, | |
687 | .nr_partitions = ARRAY_SIZE(balloon3_partition_info), | |
688 | .partitions = balloon3_partition_info, | |
689 | .chip_delay = 50, | |
690 | .part_probe_types = balloon3_part_probes, | |
691 | }, | |
692 | .ctrl = { | |
693 | .hwcontrol = 0, | |
59bdd133 | 694 | .dev_ready = balloon3_nand_dev_ready, |
e6a8ef54 MV |
695 | .select_chip = balloon3_nand_select_chip, |
696 | .cmd_ctrl = balloon3_nand_cmd_ctl, | |
697 | .probe = balloon3_nand_probe, | |
698 | .remove = balloon3_nand_remove, | |
699 | }, | |
700 | }; | |
701 | ||
702 | static struct resource balloon3_nand_resource[] = { | |
703 | [0] = { | |
704 | .start = BALLOON3_NAND_BASE, | |
705 | .end = BALLOON3_NAND_BASE + 0x4, | |
706 | .flags = IORESOURCE_MEM, | |
707 | }, | |
708 | }; | |
709 | ||
710 | static struct platform_device balloon3_nand = { | |
711 | .name = "gen_nand", | |
712 | .num_resources = ARRAY_SIZE(balloon3_nand_resource), | |
713 | .resource = balloon3_nand_resource, | |
714 | .id = -1, | |
715 | .dev = { | |
716 | .platform_data = &balloon3_nand_pdata, | |
717 | } | |
718 | }; | |
719 | ||
720 | static void __init balloon3_nand_init(void) | |
721 | { | |
722 | platform_device_register(&balloon3_nand); | |
723 | } | |
724 | #else | |
725 | static inline void balloon3_nand_init(void) {} | |
726 | #endif | |
727 | ||
3a27f6e0 MV |
728 | /****************************************************************************** |
729 | * Core power regulator | |
730 | ******************************************************************************/ | |
731 | #if defined(CONFIG_REGULATOR_MAX1586) || \ | |
732 | defined(CONFIG_REGULATOR_MAX1586_MODULE) | |
733 | static struct regulator_consumer_supply balloon3_max1587a_consumers[] = { | |
734 | { | |
735 | .supply = "vcc_core", | |
736 | } | |
737 | }; | |
738 | ||
739 | static struct regulator_init_data balloon3_max1587a_v3_info = { | |
740 | .constraints = { | |
741 | .name = "vcc_core range", | |
742 | .min_uV = 900000, | |
743 | .max_uV = 1705000, | |
744 | .always_on = 1, | |
745 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
746 | }, | |
747 | .consumer_supplies = balloon3_max1587a_consumers, | |
748 | .num_consumer_supplies = ARRAY_SIZE(balloon3_max1587a_consumers), | |
749 | }; | |
750 | ||
751 | static struct max1586_subdev_data balloon3_max1587a_subdevs[] = { | |
752 | { | |
753 | .name = "vcc_core", | |
754 | .id = MAX1586_V3, | |
755 | .platform_data = &balloon3_max1587a_v3_info, | |
756 | } | |
757 | }; | |
758 | ||
759 | static struct max1586_platform_data balloon3_max1587a_info = { | |
760 | .subdevs = balloon3_max1587a_subdevs, | |
761 | .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs), | |
762 | .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ | |
763 | }; | |
764 | ||
765 | static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = { | |
766 | { | |
767 | I2C_BOARD_INFO("max1586", 0x14), | |
768 | .platform_data = &balloon3_max1587a_info, | |
769 | }, | |
770 | }; | |
771 | ||
772 | static void __init balloon3_pmic_init(void) | |
773 | { | |
774 | pxa27x_set_i2c_power_info(NULL); | |
775 | i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info)); | |
776 | } | |
777 | #else | |
778 | static inline void balloon3_pmic_init(void) {} | |
779 | #endif | |
780 | ||
b0240bf4 MV |
781 | /****************************************************************************** |
782 | * Machine init | |
783 | ******************************************************************************/ | |
2a23ec36 JM |
784 | static void __init balloon3_init(void) |
785 | { | |
2a23ec36 JM |
786 | ARB_CNTRL = ARB_CORE_PARK | 0x234; |
787 | ||
12a2449c MV |
788 | pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config)); |
789 | ||
cc155c6f RK |
790 | pxa_set_ffuart_info(NULL); |
791 | pxa_set_btuart_info(NULL); | |
792 | pxa_set_stuart_info(NULL); | |
793 | ||
02a453e4 | 794 | balloon3_i2c_init(); |
12a2449c MV |
795 | balloon3_irda_init(); |
796 | balloon3_lcd_init(); | |
797 | balloon3_leds_init(); | |
798 | balloon3_mmc_init(); | |
e6a8ef54 | 799 | balloon3_nand_init(); |
12a2449c | 800 | balloon3_nor_init(); |
3a27f6e0 | 801 | balloon3_pmic_init(); |
12a2449c MV |
802 | balloon3_ts_init(); |
803 | balloon3_udc_init(); | |
804 | balloon3_uhc_init(); | |
b476ef05 | 805 | balloon3_cf_init(); |
2a23ec36 JM |
806 | } |
807 | ||
808 | static struct map_desc balloon3_io_desc[] __initdata = { | |
809 | { /* CPLD/FPGA */ | |
810 | .virtual = BALLOON3_FPGA_VIRT, | |
811 | .pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS), | |
812 | .length = BALLOON3_FPGA_LENGTH, | |
813 | .type = MT_DEVICE, | |
814 | }, | |
815 | }; | |
816 | ||
817 | static void __init balloon3_map_io(void) | |
818 | { | |
851982c1 | 819 | pxa27x_map_io(); |
2a23ec36 JM |
820 | iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc)); |
821 | } | |
822 | ||
823 | MACHINE_START(BALLOON3, "Balloon3") | |
824 | /* Maintainer: Nick Bane. */ | |
2a23ec36 | 825 | .map_io = balloon3_map_io, |
6ac6b817 | 826 | .nr_irqs = BALLOON3_NR_IRQS, |
2a23ec36 | 827 | .init_irq = balloon3_init_irq, |
8a97ae2f | 828 | .handle_irq = pxa27x_handle_irq, |
2a23ec36 JM |
829 | .timer = &pxa_timer, |
830 | .init_machine = balloon3_init, | |
7375aba6 | 831 | .atag_offset = 0x100, |
2a23ec36 | 832 | MACHINE_END |