9352d4a34837f08828b367c16b7c297b85b26ff5
[linux-2.6.git] / arch / arm / mach-pxa / poodle.c
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