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Linux 2.6.31.8
[linux/fpc-iii.git] / arch / arm / mach-pxa / poodle.c
blob9352d4a34837f08828b367c16b7c297b85b26ff5
1 /*
2 * linux/arch/arm/mach-pxa/poodle.c
3 *
4 * Support for the SHARP Poodle Board.
5 *
6 * Based on:
7 * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * Change Log
14 * 12-Dec-2002 Sharp Corporation for Poodle
15 * John Lenz <lenz@cs.wisc.edu> updates to 2.6
16 */
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/platform_device.h>
20 #include <linux/fb.h>
21 #include <linux/pm.h>
22 #include <linux/delay.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/gpio.h>
25 #include <linux/i2c.h>
26 #include <linux/spi/spi.h>
27 #include <linux/spi/ads7846.h>
28 #include <linux/mtd/sharpsl.h>
29
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/irq.h>
33 #include <asm/setup.h>
34 #include <asm/system.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/pxa25x.h>
41 #include <mach/mmc.h>
42 #include <mach/udc.h>
43 #include <plat/i2c.h>
44 #include <mach/irda.h>
45 #include <mach/poodle.h>
46 #include <mach/pxafb.h>
47 #include <mach/sharpsl.h>
48 #include <mach/ssp.h>
49 #include <mach/pxa2xx_spi.h>
50
51 #include <asm/hardware/scoop.h>
52 #include <asm/hardware/locomo.h>
53 #include <asm/mach/sharpsl_param.h>
54
55 #include "generic.h"
56 #include "devices.h"
57 #include "sharpsl.h"
58
59 static unsigned long poodle_pin_config[] __initdata = {
60 /* I/O */
61 GPIO79_nCS_3,
62 GPIO80_nCS_4,
63 GPIO18_RDY,
64
65 /* Clock */
66 GPIO12_32KHz,
67
68 /* SSP1 */
69 GPIO23_SSP1_SCLK,
70 GPIO25_SSP1_TXD,
71 GPIO26_SSP1_RXD,
72 GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */
73
74 /* I2S */
75 GPIO28_I2S_BITCLK_OUT,
76 GPIO29_I2S_SDATA_IN,
77 GPIO30_I2S_SDATA_OUT,
78 GPIO31_I2S_SYNC,
79 GPIO32_I2S_SYSCLK,
80
81 /* Infra-Red */
82 GPIO47_FICP_TXD,
83 GPIO46_FICP_RXD,
84
85 /* FFUART */
86 GPIO40_FFUART_DTR,
87 GPIO41_FFUART_RTS,
88 GPIO39_FFUART_TXD,
89 GPIO37_FFUART_DSR,
90 GPIO34_FFUART_RXD,
91 GPIO35_FFUART_CTS,
92
93 /* LCD */
94 GPIO58_LCD_LDD_0,
95 GPIO59_LCD_LDD_1,
96 GPIO60_LCD_LDD_2,
97 GPIO61_LCD_LDD_3,
98 GPIO62_LCD_LDD_4,
99 GPIO63_LCD_LDD_5,
100 GPIO64_LCD_LDD_6,
101 GPIO65_LCD_LDD_7,
102 GPIO66_LCD_LDD_8,
103 GPIO67_LCD_LDD_9,
104 GPIO68_LCD_LDD_10,
105 GPIO69_LCD_LDD_11,
106 GPIO70_LCD_LDD_12,
107 GPIO71_LCD_LDD_13,
108 GPIO72_LCD_LDD_14,
109 GPIO73_LCD_LDD_15,
110 GPIO74_LCD_FCLK,
111 GPIO75_LCD_LCLK,
112 GPIO76_LCD_PCLK,
113 GPIO77_LCD_BIAS,
114
115 /* PC Card */
116 GPIO48_nPOE,
117 GPIO49_nPWE,
118 GPIO50_nPIOR,
119 GPIO51_nPIOW,
120 GPIO52_nPCE_1,
121 GPIO53_nPCE_2,
122 GPIO54_nPSKTSEL,
123 GPIO55_nPREG,
124 GPIO56_nPWAIT,
125 GPIO57_nIOIS16,
126
127 /* MMC */
128 GPIO6_MMC_CLK,
129 GPIO8_MMC_CS0,
130
131 /* GPIO */
132 GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */
133 GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */
134 GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */
135 GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */
136
137 GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */
138 GPIO22_GPIO, /* POODLE_GPIO_IR_ON */
139 };
140
141 static struct resource poodle_scoop_resources[] = {
142 [0] = {
143 .start = 0x10800000,
144 .end = 0x10800fff,
145 .flags = IORESOURCE_MEM,
146 },
147 };
148
149 static struct scoop_config poodle_scoop_setup = {
150 .io_dir = POODLE_SCOOP_IO_DIR,
151 .io_out = POODLE_SCOOP_IO_OUT,
152 .gpio_base = POODLE_SCOOP_GPIO_BASE,
153 };
154
155 struct platform_device poodle_scoop_device = {
156 .name = "sharp-scoop",
157 .id = -1,
158 .dev = {
159 .platform_data = &poodle_scoop_setup,
160 },
161 .num_resources = ARRAY_SIZE(poodle_scoop_resources),
162 .resource = poodle_scoop_resources,
163 };
164
165 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
166 {
167 .dev = &poodle_scoop_device.dev,
168 .irq = POODLE_IRQ_GPIO_CF_IRQ,
169 .cd_irq = POODLE_IRQ_GPIO_CF_CD,
170 .cd_irq_str = "PCMCIA0 CD",
171 },
172 };
173
174 static struct scoop_pcmcia_config poodle_pcmcia_config = {
175 .devs = &poodle_pcmcia_scoop[0],
176 .num_devs = 1,
177 };
178
179 EXPORT_SYMBOL(poodle_scoop_device);
180
181
182 /* LoCoMo device */
183 static struct resource locomo_resources[] = {
184 [0] = {
185 .start = 0x10000000,
186 .end = 0x10001fff,
187 .flags = IORESOURCE_MEM,
188 },
189 [1] = {
190 .start = IRQ_GPIO(10),
191 .end = IRQ_GPIO(10),
192 .flags = IORESOURCE_IRQ,
193 },
194 };
195
196 struct platform_device poodle_locomo_device = {
197 .name = "locomo",
198 .id = 0,
199 .num_resources = ARRAY_SIZE(locomo_resources),
200 .resource = locomo_resources,
201 };
202
203 EXPORT_SYMBOL(poodle_locomo_device);
204
205 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
206 static struct pxa2xx_spi_master poodle_spi_info = {
207 .num_chipselect = 1,
208 };
209
210 static struct ads7846_platform_data poodle_ads7846_info = {
211 .model = 7846,
212 .vref_delay_usecs = 100,
213 .x_plate_ohms = 419,
214 .y_plate_ohms = 486,
215 .gpio_pendown = POODLE_GPIO_TP_INT,
216 };
217
218 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
219 .gpio_cs = POODLE_GPIO_TP_CS,
220 };
221
222 static struct spi_board_info poodle_spi_devices[] = {
223 {
224 .modalias = "ads7846",
225 .max_speed_hz = 10000,
226 .bus_num = 1,
227 .platform_data = &poodle_ads7846_info,
228 .controller_data= &poodle_ads7846_chip,
229 .irq = gpio_to_irq(POODLE_GPIO_TP_INT),
230 },
231 };
232
233 static void __init poodle_init_spi(void)
234 {
235 pxa2xx_set_spi_info(1, &poodle_spi_info);
236 spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
237 }
238 #else
239 static inline void poodle_init_spi(void) {}
240 #endif
241
242 /*
243 * MMC/SD Device
244 *
245 * The card detect interrupt isn't debounced so we delay it by 250ms
246 * to give the card a chance to fully insert/eject.
247 */
248 static struct pxamci_platform_data poodle_mci_platform_data;
249
250 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
251 {
252 int err;
253
254 err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
255 if (err)
256 goto err_out;
257
258 err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
259 if (err)
260 goto err_free_1;
261
262 err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
263 if (err)
264 goto err_free_2;
265
266 err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
267 if (err)
268 goto err_free_3;
269
270 gpio_direction_input(POODLE_GPIO_nSD_DETECT);
271 gpio_direction_input(POODLE_GPIO_nSD_WP);
272
273 gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
274 gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
275
276 poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
277
278 err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
279 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
280 "MMC card detect", data);
281 if (err) {
282 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
283 __func__);
284 goto err_free_4;
285 }
286
287 return 0;
288
289 err_free_4:
290 gpio_free(POODLE_GPIO_SD_PWR1);
291 err_free_3:
292 gpio_free(POODLE_GPIO_SD_PWR);
293 err_free_2:
294 gpio_free(POODLE_GPIO_nSD_WP);
295 err_free_1:
296 gpio_free(POODLE_GPIO_nSD_DETECT);
297 err_out:
298 return err;
299 }
300
301 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
302 {
303 struct pxamci_platform_data* p_d = dev->platform_data;
304
305 if ((1 << vdd) & p_d->ocr_mask) {
306 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
307 mdelay(2);
308 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
309 } else {
310 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
311 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
312 }
313 }
314
315 static int poodle_mci_get_ro(struct device *dev)
316 {
317 return !!gpio_get_value(POODLE_GPIO_nSD_WP);
318 return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
319 }
320
321
322 static void poodle_mci_exit(struct device *dev, void *data)
323 {
324 free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
325 gpio_free(POODLE_GPIO_SD_PWR1);
326 gpio_free(POODLE_GPIO_SD_PWR);
327 gpio_free(POODLE_GPIO_nSD_WP);
328 gpio_free(POODLE_GPIO_nSD_DETECT);
329 }
330
331 static struct pxamci_platform_data poodle_mci_platform_data = {
332 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
333 .init = poodle_mci_init,
334 .get_ro = poodle_mci_get_ro,
335 .setpower = poodle_mci_setpower,
336 .exit = poodle_mci_exit,
337 };
338
339
340 /*
341 * Irda
342 */
343 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
344 {
345 gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
346 pxa2xx_transceiver_mode(dev, mode);
347 }
348
349 static int poodle_irda_startup(struct device *dev)
350 {
351 int err;
352
353 err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
354 if (err)
355 return err;
356
357 gpio_direction_output(POODLE_GPIO_IR_ON, 1);
358 return 0;
359 }
360
361 static void poodle_irda_shutdown(struct device *dev)
362 {
363 gpio_free(POODLE_GPIO_IR_ON);
364 }
365
366 static struct pxaficp_platform_data poodle_ficp_platform_data = {
367 .transceiver_cap = IR_SIRMODE | IR_OFF,
368 .transceiver_mode = poodle_irda_transceiver_mode,
369 .startup = poodle_irda_startup,
370 .shutdown = poodle_irda_shutdown,
371 };
372
373
374 /*
375 * USB Device Controller
376 */
377 static struct pxa2xx_udc_mach_info udc_info __initdata = {
378 /* no connect GPIO; poodle can't tell connection status */
379 .gpio_pullup = POODLE_GPIO_USB_PULLUP,
380 };
381
382
383 /* PXAFB device */
384 static struct pxafb_mode_info poodle_fb_mode = {
385 .pixclock = 144700,
386 .xres = 320,
387 .yres = 240,
388 .bpp = 16,
389 .hsync_len = 7,
390 .left_margin = 11,
391 .right_margin = 30,
392 .vsync_len = 2,
393 .upper_margin = 2,
394 .lower_margin = 0,
395 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
396 };
397
398 static struct pxafb_mach_info poodle_fb_info = {
399 .modes = &poodle_fb_mode,
400 .num_modes = 1,
401 .lcd_conn = LCD_COLOR_TFT_16BPP,
402 };
403
404 static struct mtd_partition sharpsl_nand_partitions[] = {
405 {
406 .name = "System Area",
407 .offset = 0,
408 .size = 7 * 1024 * 1024,
409 },
410 {
411 .name = "Root Filesystem",
412 .offset = 7 * 1024 * 1024,
413 .size = 22 * 1024 * 1024,
414 },
415 {
416 .name = "Home Filesystem",
417 .offset = MTDPART_OFS_APPEND,
418 .size = MTDPART_SIZ_FULL,
419 },
420 };
421
422 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
423
424 static struct nand_bbt_descr sharpsl_bbt = {
425 .options = 0,
426 .offs = 4,
427 .len = 2,
428 .pattern = scan_ff_pattern
429 };
430
431 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
432 .badblock_pattern = &sharpsl_bbt,
433 .partitions = sharpsl_nand_partitions,
434 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
435 };
436
437 static struct resource sharpsl_nand_resources[] = {
438 {
439 .start = 0x0C000000,
440 .end = 0x0C000FFF,
441 .flags = IORESOURCE_MEM,
442 },
443 };
444
445 static struct platform_device sharpsl_nand_device = {
446 .name = "sharpsl-nand",
447 .id = -1,
448 .resource = sharpsl_nand_resources,
449 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
450 .dev.platform_data = &sharpsl_nand_platform_data,
451 };
452
453 static struct mtd_partition sharpsl_rom_parts[] = {
454 {
455 .name ="Boot PROM Filesystem",
456 .offset = 0x00120000,
457 .size = MTDPART_SIZ_FULL,
458 },
459 };
460
461 static struct physmap_flash_data sharpsl_rom_data = {
462 .width = 2,
463 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
464 .parts = sharpsl_rom_parts,
465 };
466
467 static struct resource sharpsl_rom_resources[] = {
468 {
469 .start = 0x00000000,
470 .end = 0x007fffff,
471 .flags = IORESOURCE_MEM,
472 },
473 };
474
475 static struct platform_device sharpsl_rom_device = {
476 .name = "physmap-flash",
477 .id = -1,
478 .resource = sharpsl_rom_resources,
479 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
480 .dev.platform_data = &sharpsl_rom_data,
481 };
482
483 static struct platform_device *devices[] __initdata = {
484 &poodle_locomo_device,
485 &poodle_scoop_device,
486 &sharpsl_nand_device,
487 &sharpsl_rom_device,
488 };
489
490 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
491 { I2C_BOARD_INFO("wm8731", 0x1b) },
492 };
493
494 static void poodle_poweroff(void)
495 {
496 arm_machine_restart('h', NULL);
497 }
498
499 static void poodle_restart(char mode, const char *cmd)
500 {
501 arm_machine_restart('h', cmd);
502 }
503
504 static void __init poodle_init(void)
505 {
506 int ret = 0;
507
508 pm_power_off = poodle_poweroff;
509 arm_pm_restart = poodle_restart;
510
511 PCFR |= PCFR_OPDE;
512
513 pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
514
515 platform_scoop_config = &poodle_pcmcia_config;
516
517 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
518 if (ret)
519 pr_warning("poodle: Unable to register LoCoMo device\n");
520
521 set_pxa_fb_parent(&poodle_locomo_device.dev);
522 set_pxa_fb_info(&poodle_fb_info);
523 pxa_set_udc_info(&udc_info);
524 pxa_set_mci_info(&poodle_mci_platform_data);
525 pxa_set_ficp_info(&poodle_ficp_platform_data);
526 pxa_set_i2c_info(NULL);
527 i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
528 poodle_init_spi();
529 }
530
531 static void __init fixup_poodle(struct machine_desc *desc,
532 struct tag *tags, char **cmdline, struct meminfo *mi)
533 {
534 sharpsl_save_param();
535 mi->nr_banks=1;
536 mi->bank[0].start = 0xa0000000;
537 mi->bank[0].node = 0;
538 mi->bank[0].size = (32*1024*1024);
539 }
540
541 MACHINE_START(POODLE, "SHARP Poodle")
542 .phys_io = 0x40000000,
543 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
544 .fixup = fixup_poodle,
545 .map_io = pxa_map_io,
546 .init_irq = pxa25x_init_irq,
547 .timer = &pxa_timer,
548 .init_machine = poodle_init,
549 MACHINE_END
Linux with added FPC-III support