Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[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/spi/spi.h>
26 #include <linux/spi/ads7846.h>
27 #include <linux/mtd/sharpsl.h>
28
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/irq.h>
32 #include <asm/setup.h>
33 #include <asm/system.h>
34
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <asm/mach/irq.h>
38
39 #include <mach/pxa-regs.h>
40 #include <mach/pxa2xx-regs.h>
41 #include <mach/mfp-pxa25x.h>
42 #include <mach/mmc.h>
43 #include <mach/udc.h>
44 #include <mach/i2c.h>
45 #include <mach/irda.h>
46 #include <mach/poodle.h>
47 #include <mach/pxafb.h>
48 #include <mach/sharpsl.h>
49 #include <mach/ssp.h>
50 #include <mach/pxa2xx_spi.h>
51
52 #include <asm/hardware/scoop.h>
53 #include <asm/hardware/locomo.h>
54 #include <asm/mach/sharpsl_param.h>
55
56 #include "generic.h"
57 #include "devices.h"
58 #include "sharpsl.h"
59
60 static unsigned long poodle_pin_config[] __initdata = {
61         /* I/O */
62         GPIO79_nCS_3,
63         GPIO80_nCS_4,
64         GPIO18_RDY,
65
66         /* Clock */
67         GPIO12_32KHz,
68
69         /* SSP1 */
70         GPIO23_SSP1_SCLK,
71         GPIO25_SSP1_TXD,
72         GPIO26_SSP1_RXD,
73         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
74
75         /* I2S */
76         GPIO28_I2S_BITCLK_OUT,
77         GPIO29_I2S_SDATA_IN,
78         GPIO30_I2S_SDATA_OUT,
79         GPIO31_I2S_SYNC,
80         GPIO32_I2S_SYSCLK,
81
82         /* Infra-Red */
83         GPIO47_FICP_TXD,
84         GPIO46_FICP_RXD,
85
86         /* FFUART */
87         GPIO40_FFUART_DTR,
88         GPIO41_FFUART_RTS,
89         GPIO39_FFUART_TXD,
90         GPIO37_FFUART_DSR,
91         GPIO34_FFUART_RXD,
92         GPIO35_FFUART_CTS,
93
94         /* LCD */
95         GPIO58_LCD_LDD_0,
96         GPIO59_LCD_LDD_1,
97         GPIO60_LCD_LDD_2,
98         GPIO61_LCD_LDD_3,
99         GPIO62_LCD_LDD_4,
100         GPIO63_LCD_LDD_5,
101         GPIO64_LCD_LDD_6,
102         GPIO65_LCD_LDD_7,
103         GPIO66_LCD_LDD_8,
104         GPIO67_LCD_LDD_9,
105         GPIO68_LCD_LDD_10,
106         GPIO69_LCD_LDD_11,
107         GPIO70_LCD_LDD_12,
108         GPIO71_LCD_LDD_13,
109         GPIO72_LCD_LDD_14,
110         GPIO73_LCD_LDD_15,
111         GPIO74_LCD_FCLK,
112         GPIO75_LCD_LCLK,
113         GPIO76_LCD_PCLK,
114         GPIO77_LCD_BIAS,
115
116         /* PC Card */
117         GPIO48_nPOE,
118         GPIO49_nPWE,
119         GPIO50_nPIOR,
120         GPIO51_nPIOW,
121         GPIO52_nPCE_1,
122         GPIO53_nPCE_2,
123         GPIO54_nPSKTSEL,
124         GPIO55_nPREG,
125         GPIO56_nPWAIT,
126         GPIO57_nIOIS16,
127
128         /* MMC */
129         GPIO6_MMC_CLK,
130         GPIO8_MMC_CS0,
131
132         /* GPIO */
133         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
134         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
135         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
136         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
137
138         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
139         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
140 };
141
142 static struct resource poodle_scoop_resources[] = {
143         [0] = {
144                 .start          = 0x10800000,
145                 .end            = 0x10800fff,
146                 .flags          = IORESOURCE_MEM,
147         },
148 };
149
150 static struct scoop_config poodle_scoop_setup = {
151         .io_dir         = POODLE_SCOOP_IO_DIR,
152         .io_out         = POODLE_SCOOP_IO_OUT,
153         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
154 };
155
156 struct platform_device poodle_scoop_device = {
157         .name           = "sharp-scoop",
158         .id             = -1,
159         .dev            = {
160                 .platform_data  = &poodle_scoop_setup,
161         },
162         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
163         .resource       = poodle_scoop_resources,
164 };
165
166 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
167 {
168         .dev        = &poodle_scoop_device.dev,
169         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
170         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
171         .cd_irq_str = "PCMCIA0 CD",
172 },
173 };
174
175 static struct scoop_pcmcia_config poodle_pcmcia_config = {
176         .devs         = &poodle_pcmcia_scoop[0],
177         .num_devs     = 1,
178 };
179
180 EXPORT_SYMBOL(poodle_scoop_device);
181
182
183 /* LoCoMo device */
184 static struct resource locomo_resources[] = {
185         [0] = {
186                 .start          = 0x10000000,
187                 .end            = 0x10001fff,
188                 .flags          = IORESOURCE_MEM,
189         },
190         [1] = {
191                 .start          = IRQ_GPIO(10),
192                 .end            = IRQ_GPIO(10),
193                 .flags          = IORESOURCE_IRQ,
194         },
195 };
196
197 struct platform_device poodle_locomo_device = {
198         .name           = "locomo",
199         .id             = 0,
200         .num_resources  = ARRAY_SIZE(locomo_resources),
201         .resource       = locomo_resources,
202 };
203
204 EXPORT_SYMBOL(poodle_locomo_device);
205
206 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
207 static struct pxa2xx_spi_master poodle_spi_info = {
208         .num_chipselect = 1,
209 };
210
211 static struct ads7846_platform_data poodle_ads7846_info = {
212         .model                  = 7846,
213         .vref_delay_usecs       = 100,
214         .x_plate_ohms           = 419,
215         .y_plate_ohms           = 486,
216         .gpio_pendown           = POODLE_GPIO_TP_INT,
217 };
218
219 static void ads7846_cs(u32 command)
220 {
221         gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT));
222 }
223
224 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
225         .cs_control             = ads7846_cs,
226 };
227
228 static struct spi_board_info poodle_spi_devices[] = {
229         {
230                 .modalias       = "ads7846",
231                 .max_speed_hz   = 10000,
232                 .bus_num        = 1,
233                 .platform_data  = &poodle_ads7846_info,
234                 .controller_data= &poodle_ads7846_chip,
235                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
236         },
237 };
238
239 static void __init poodle_init_spi(void)
240 {
241         int err;
242
243         err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS");
244         if (err)
245                 return;
246
247         gpio_direction_output(POODLE_GPIO_TP_CS, 1);
248
249         pxa2xx_set_spi_info(1, &poodle_spi_info);
250         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
251 }
252 #else
253 static inline void poodle_init_spi(void) {}
254 #endif
255
256 /*
257  * MMC/SD Device
258  *
259  * The card detect interrupt isn't debounced so we delay it by 250ms
260  * to give the card a chance to fully insert/eject.
261  */
262 static struct pxamci_platform_data poodle_mci_platform_data;
263
264 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
265 {
266         int err;
267
268         err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
269         if (err)
270                 goto err_out;
271
272         err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
273         if (err)
274                 goto err_free_1;
275
276         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
277         if (err)
278                 goto err_free_2;
279
280         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
281         if (err)
282                 goto err_free_3;
283
284         gpio_direction_input(POODLE_GPIO_nSD_DETECT);
285         gpio_direction_input(POODLE_GPIO_nSD_WP);
286
287         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
288         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
289
290         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
291
292         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
293                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
294                           "MMC card detect", data);
295         if (err) {
296                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
297                                 __func__);
298                 goto err_free_4;
299         }
300
301         return 0;
302
303 err_free_4:
304         gpio_free(POODLE_GPIO_SD_PWR1);
305 err_free_3:
306         gpio_free(POODLE_GPIO_SD_PWR);
307 err_free_2:
308         gpio_free(POODLE_GPIO_nSD_WP);
309 err_free_1:
310         gpio_free(POODLE_GPIO_nSD_DETECT);
311 err_out:
312         return err;
313 }
314
315 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
316 {
317         struct pxamci_platform_data* p_d = dev->platform_data;
318
319         if ((1 << vdd) & p_d->ocr_mask) {
320                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
321                 mdelay(2);
322                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
323         } else {
324                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
325                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
326         }
327 }
328
329 static int poodle_mci_get_ro(struct device *dev)
330 {
331         return !!gpio_get_value(POODLE_GPIO_nSD_WP);
332         return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
333 }
334
335
336 static void poodle_mci_exit(struct device *dev, void *data)
337 {
338         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
339         gpio_free(POODLE_GPIO_SD_PWR1);
340         gpio_free(POODLE_GPIO_SD_PWR);
341         gpio_free(POODLE_GPIO_nSD_WP);
342         gpio_free(POODLE_GPIO_nSD_DETECT);
343 }
344
345 static struct pxamci_platform_data poodle_mci_platform_data = {
346         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
347         .init           = poodle_mci_init,
348         .get_ro         = poodle_mci_get_ro,
349         .setpower       = poodle_mci_setpower,
350         .exit           = poodle_mci_exit,
351 };
352
353
354 /*
355  * Irda
356  */
357 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
358 {
359         gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
360         pxa2xx_transceiver_mode(dev, mode);
361 }
362
363 static int poodle_irda_startup(struct device *dev)
364 {
365         int err;
366
367         err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
368         if (err)
369                 return err;
370
371         gpio_direction_output(POODLE_GPIO_IR_ON, 1);
372         return 0;
373 }
374
375 static void poodle_irda_shutdown(struct device *dev)
376 {
377         gpio_free(POODLE_GPIO_IR_ON);
378 }
379
380 static struct pxaficp_platform_data poodle_ficp_platform_data = {
381         .transceiver_cap        = IR_SIRMODE | IR_OFF,
382         .transceiver_mode       = poodle_irda_transceiver_mode,
383         .startup                = poodle_irda_startup,
384         .shutdown               = poodle_irda_shutdown,
385 };
386
387
388 /*
389  * USB Device Controller
390  */
391 static struct pxa2xx_udc_mach_info udc_info __initdata = {
392         /* no connect GPIO; poodle can't tell connection status */
393         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
394 };
395
396
397 /* PXAFB device */
398 static struct pxafb_mode_info poodle_fb_mode = {
399         .pixclock       = 144700,
400         .xres           = 320,
401         .yres           = 240,
402         .bpp            = 16,
403         .hsync_len      = 7,
404         .left_margin    = 11,
405         .right_margin   = 30,
406         .vsync_len      = 2,
407         .upper_margin   = 2,
408         .lower_margin   = 0,
409         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
410 };
411
412 static struct pxafb_mach_info poodle_fb_info = {
413         .modes          = &poodle_fb_mode,
414         .num_modes      = 1,
415         .lcd_conn       = LCD_COLOR_TFT_16BPP,
416 };
417
418 static struct mtd_partition sharpsl_nand_partitions[] = {
419         {
420                 .name = "System Area",
421                 .offset = 0,
422                 .size = 7 * 1024 * 1024,
423         },
424         {
425                 .name = "Root Filesystem",
426                 .offset = 7 * 1024 * 1024,
427                 .size = 22 * 1024 * 1024,
428         },
429         {
430                 .name = "Home Filesystem",
431                 .offset = MTDPART_OFS_APPEND,
432                 .size = MTDPART_SIZ_FULL,
433         },
434 };
435
436 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
437
438 static struct nand_bbt_descr sharpsl_bbt = {
439         .options = 0,
440         .offs = 4,
441         .len = 2,
442         .pattern = scan_ff_pattern
443 };
444
445 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
446         .badblock_pattern       = &sharpsl_bbt,
447         .partitions             = sharpsl_nand_partitions,
448         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
449 };
450
451 static struct resource sharpsl_nand_resources[] = {
452         {
453                 .start  = 0x0C000000,
454                 .end    = 0x0C000FFF,
455                 .flags  = IORESOURCE_MEM,
456         },
457 };
458
459 static struct platform_device sharpsl_nand_device = {
460         .name           = "sharpsl-nand",
461         .id             = -1,
462         .resource       = sharpsl_nand_resources,
463         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
464         .dev.platform_data      = &sharpsl_nand_platform_data,
465 };
466
467 static struct mtd_partition sharpsl_rom_parts[] = {
468         {
469                 .name   ="Boot PROM Filesystem",
470                 .offset = 0x00120000,
471                 .size   = MTDPART_SIZ_FULL,
472         },
473 };
474
475 static struct physmap_flash_data sharpsl_rom_data = {
476         .width          = 2,
477         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
478         .parts          = sharpsl_rom_parts,
479 };
480
481 static struct resource sharpsl_rom_resources[] = {
482         {
483                 .start  = 0x00000000,
484                 .end    = 0x007fffff,
485                 .flags  = IORESOURCE_MEM,
486         },
487 };
488
489 static struct platform_device sharpsl_rom_device = {
490         .name   = "physmap-flash",
491         .id     = -1,
492         .resource = sharpsl_rom_resources,
493         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
494         .dev.platform_data = &sharpsl_rom_data,
495 };
496
497 static struct platform_device *devices[] __initdata = {
498         &poodle_locomo_device,
499         &poodle_scoop_device,
500         &sharpsl_nand_device,
501         &sharpsl_rom_device,
502 };
503
504 static void poodle_poweroff(void)
505 {
506         arm_machine_restart('h');
507 }
508
509 static void poodle_restart(char mode)
510 {
511         arm_machine_restart('h');
512 }
513
514 static void __init poodle_init(void)
515 {
516         int ret = 0;
517
518         pm_power_off = poodle_poweroff;
519         arm_pm_restart = poodle_restart;
520
521         PCFR |= PCFR_OPDE;
522
523         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
524
525         platform_scoop_config = &poodle_pcmcia_config;
526
527         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
528         if (ret)
529                 pr_warning("poodle: Unable to register LoCoMo device\n");
530
531         set_pxa_fb_parent(&poodle_locomo_device.dev);
532         set_pxa_fb_info(&poodle_fb_info);
533         pxa_set_udc_info(&udc_info);
534         pxa_set_mci_info(&poodle_mci_platform_data);
535         pxa_set_ficp_info(&poodle_ficp_platform_data);
536         pxa_set_i2c_info(NULL);
537         poodle_init_spi();
538 }
539
540 static void __init fixup_poodle(struct machine_desc *desc,
541                 struct tag *tags, char **cmdline, struct meminfo *mi)
542 {
543         sharpsl_save_param();
544         mi->nr_banks=1;
545         mi->bank[0].start = 0xa0000000;
546         mi->bank[0].node = 0;
547         mi->bank[0].size = (32*1024*1024);
548 }
549
550 MACHINE_START(POODLE, "SHARP Poodle")
551         .phys_io        = 0x40000000,
552         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
553         .fixup          = fixup_poodle,
554         .map_io         = pxa_map_io,
555         .init_irq       = pxa25x_init_irq,
556         .timer          = &pxa_timer,
557         .init_machine   = poodle_init,
558 MACHINE_END