[ARM] pxa: introduce pxa{25x,27x,300,320,930}.h for board usage
[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/pxa25x.h>
40 #include <mach/mmc.h>
41 #include <mach/udc.h>
42 #include <mach/i2c.h>
43 #include <mach/irda.h>
44 #include <mach/poodle.h>
45 #include <mach/pxafb.h>
46 #include <mach/sharpsl.h>
47 #include <mach/ssp.h>
48 #include <mach/pxa2xx_spi.h>
49
50 #include <asm/hardware/scoop.h>
51 #include <asm/hardware/locomo.h>
52 #include <asm/mach/sharpsl_param.h>
53
54 #include "generic.h"
55 #include "devices.h"
56 #include "sharpsl.h"
57
58 static unsigned long poodle_pin_config[] __initdata = {
59         /* I/O */
60         GPIO79_nCS_3,
61         GPIO80_nCS_4,
62         GPIO18_RDY,
63
64         /* Clock */
65         GPIO12_32KHz,
66
67         /* SSP1 */
68         GPIO23_SSP1_SCLK,
69         GPIO25_SSP1_TXD,
70         GPIO26_SSP1_RXD,
71         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
72
73         /* I2S */
74         GPIO28_I2S_BITCLK_OUT,
75         GPIO29_I2S_SDATA_IN,
76         GPIO30_I2S_SDATA_OUT,
77         GPIO31_I2S_SYNC,
78         GPIO32_I2S_SYSCLK,
79
80         /* Infra-Red */
81         GPIO47_FICP_TXD,
82         GPIO46_FICP_RXD,
83
84         /* FFUART */
85         GPIO40_FFUART_DTR,
86         GPIO41_FFUART_RTS,
87         GPIO39_FFUART_TXD,
88         GPIO37_FFUART_DSR,
89         GPIO34_FFUART_RXD,
90         GPIO35_FFUART_CTS,
91
92         /* LCD */
93         GPIO58_LCD_LDD_0,
94         GPIO59_LCD_LDD_1,
95         GPIO60_LCD_LDD_2,
96         GPIO61_LCD_LDD_3,
97         GPIO62_LCD_LDD_4,
98         GPIO63_LCD_LDD_5,
99         GPIO64_LCD_LDD_6,
100         GPIO65_LCD_LDD_7,
101         GPIO66_LCD_LDD_8,
102         GPIO67_LCD_LDD_9,
103         GPIO68_LCD_LDD_10,
104         GPIO69_LCD_LDD_11,
105         GPIO70_LCD_LDD_12,
106         GPIO71_LCD_LDD_13,
107         GPIO72_LCD_LDD_14,
108         GPIO73_LCD_LDD_15,
109         GPIO74_LCD_FCLK,
110         GPIO75_LCD_LCLK,
111         GPIO76_LCD_PCLK,
112         GPIO77_LCD_BIAS,
113
114         /* PC Card */
115         GPIO48_nPOE,
116         GPIO49_nPWE,
117         GPIO50_nPIOR,
118         GPIO51_nPIOW,
119         GPIO52_nPCE_1,
120         GPIO53_nPCE_2,
121         GPIO54_nPSKTSEL,
122         GPIO55_nPREG,
123         GPIO56_nPWAIT,
124         GPIO57_nIOIS16,
125
126         /* MMC */
127         GPIO6_MMC_CLK,
128         GPIO8_MMC_CS0,
129
130         /* GPIO */
131         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
132         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
133         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
134         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
135
136         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
137         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
138 };
139
140 static struct resource poodle_scoop_resources[] = {
141         [0] = {
142                 .start          = 0x10800000,
143                 .end            = 0x10800fff,
144                 .flags          = IORESOURCE_MEM,
145         },
146 };
147
148 static struct scoop_config poodle_scoop_setup = {
149         .io_dir         = POODLE_SCOOP_IO_DIR,
150         .io_out         = POODLE_SCOOP_IO_OUT,
151         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
152 };
153
154 struct platform_device poodle_scoop_device = {
155         .name           = "sharp-scoop",
156         .id             = -1,
157         .dev            = {
158                 .platform_data  = &poodle_scoop_setup,
159         },
160         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
161         .resource       = poodle_scoop_resources,
162 };
163
164 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
165 {
166         .dev        = &poodle_scoop_device.dev,
167         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
168         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
169         .cd_irq_str = "PCMCIA0 CD",
170 },
171 };
172
173 static struct scoop_pcmcia_config poodle_pcmcia_config = {
174         .devs         = &poodle_pcmcia_scoop[0],
175         .num_devs     = 1,
176 };
177
178 EXPORT_SYMBOL(poodle_scoop_device);
179
180
181 /* LoCoMo device */
182 static struct resource locomo_resources[] = {
183         [0] = {
184                 .start          = 0x10000000,
185                 .end            = 0x10001fff,
186                 .flags          = IORESOURCE_MEM,
187         },
188         [1] = {
189                 .start          = IRQ_GPIO(10),
190                 .end            = IRQ_GPIO(10),
191                 .flags          = IORESOURCE_IRQ,
192         },
193 };
194
195 struct platform_device poodle_locomo_device = {
196         .name           = "locomo",
197         .id             = 0,
198         .num_resources  = ARRAY_SIZE(locomo_resources),
199         .resource       = locomo_resources,
200 };
201
202 EXPORT_SYMBOL(poodle_locomo_device);
203
204 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
205 static struct pxa2xx_spi_master poodle_spi_info = {
206         .num_chipselect = 1,
207 };
208
209 static struct ads7846_platform_data poodle_ads7846_info = {
210         .model                  = 7846,
211         .vref_delay_usecs       = 100,
212         .x_plate_ohms           = 419,
213         .y_plate_ohms           = 486,
214         .gpio_pendown           = POODLE_GPIO_TP_INT,
215 };
216
217 static void ads7846_cs(u32 command)
218 {
219         gpio_set_value(POODLE_GPIO_TP_CS, !(command == PXA2XX_CS_ASSERT));
220 }
221
222 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
223         .cs_control             = ads7846_cs,
224 };
225
226 static struct spi_board_info poodle_spi_devices[] = {
227         {
228                 .modalias       = "ads7846",
229                 .max_speed_hz   = 10000,
230                 .bus_num        = 1,
231                 .platform_data  = &poodle_ads7846_info,
232                 .controller_data= &poodle_ads7846_chip,
233                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
234         },
235 };
236
237 static void __init poodle_init_spi(void)
238 {
239         int err;
240
241         err = gpio_request(POODLE_GPIO_TP_CS, "ADS7846_CS");
242         if (err)
243                 return;
244
245         gpio_direction_output(POODLE_GPIO_TP_CS, 1);
246
247         pxa2xx_set_spi_info(1, &poodle_spi_info);
248         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
249 }
250 #else
251 static inline void poodle_init_spi(void) {}
252 #endif
253
254 /*
255  * MMC/SD Device
256  *
257  * The card detect interrupt isn't debounced so we delay it by 250ms
258  * to give the card a chance to fully insert/eject.
259  */
260 static struct pxamci_platform_data poodle_mci_platform_data;
261
262 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
263 {
264         int err;
265
266         err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT");
267         if (err)
268                 goto err_out;
269
270         err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP");
271         if (err)
272                 goto err_free_1;
273
274         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
275         if (err)
276                 goto err_free_2;
277
278         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
279         if (err)
280                 goto err_free_3;
281
282         gpio_direction_input(POODLE_GPIO_nSD_DETECT);
283         gpio_direction_input(POODLE_GPIO_nSD_WP);
284
285         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
286         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
287
288         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
289
290         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
291                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
292                           "MMC card detect", data);
293         if (err) {
294                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
295                                 __func__);
296                 goto err_free_4;
297         }
298
299         return 0;
300
301 err_free_4:
302         gpio_free(POODLE_GPIO_SD_PWR1);
303 err_free_3:
304         gpio_free(POODLE_GPIO_SD_PWR);
305 err_free_2:
306         gpio_free(POODLE_GPIO_nSD_WP);
307 err_free_1:
308         gpio_free(POODLE_GPIO_nSD_DETECT);
309 err_out:
310         return err;
311 }
312
313 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
314 {
315         struct pxamci_platform_data* p_d = dev->platform_data;
316
317         if ((1 << vdd) & p_d->ocr_mask) {
318                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
319                 mdelay(2);
320                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
321         } else {
322                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
323                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
324         }
325 }
326
327 static int poodle_mci_get_ro(struct device *dev)
328 {
329         return !!gpio_get_value(POODLE_GPIO_nSD_WP);
330         return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
331 }
332
333
334 static void poodle_mci_exit(struct device *dev, void *data)
335 {
336         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
337         gpio_free(POODLE_GPIO_SD_PWR1);
338         gpio_free(POODLE_GPIO_SD_PWR);
339         gpio_free(POODLE_GPIO_nSD_WP);
340         gpio_free(POODLE_GPIO_nSD_DETECT);
341 }
342
343 static struct pxamci_platform_data poodle_mci_platform_data = {
344         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
345         .init           = poodle_mci_init,
346         .get_ro         = poodle_mci_get_ro,
347         .setpower       = poodle_mci_setpower,
348         .exit           = poodle_mci_exit,
349 };
350
351
352 /*
353  * Irda
354  */
355 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
356 {
357         gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
358         pxa2xx_transceiver_mode(dev, mode);
359 }
360
361 static int poodle_irda_startup(struct device *dev)
362 {
363         int err;
364
365         err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
366         if (err)
367                 return err;
368
369         gpio_direction_output(POODLE_GPIO_IR_ON, 1);
370         return 0;
371 }
372
373 static void poodle_irda_shutdown(struct device *dev)
374 {
375         gpio_free(POODLE_GPIO_IR_ON);
376 }
377
378 static struct pxaficp_platform_data poodle_ficp_platform_data = {
379         .transceiver_cap        = IR_SIRMODE | IR_OFF,
380         .transceiver_mode       = poodle_irda_transceiver_mode,
381         .startup                = poodle_irda_startup,
382         .shutdown               = poodle_irda_shutdown,
383 };
384
385
386 /*
387  * USB Device Controller
388  */
389 static struct pxa2xx_udc_mach_info udc_info __initdata = {
390         /* no connect GPIO; poodle can't tell connection status */
391         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
392 };
393
394
395 /* PXAFB device */
396 static struct pxafb_mode_info poodle_fb_mode = {
397         .pixclock       = 144700,
398         .xres           = 320,
399         .yres           = 240,
400         .bpp            = 16,
401         .hsync_len      = 7,
402         .left_margin    = 11,
403         .right_margin   = 30,
404         .vsync_len      = 2,
405         .upper_margin   = 2,
406         .lower_margin   = 0,
407         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
408 };
409
410 static struct pxafb_mach_info poodle_fb_info = {
411         .modes          = &poodle_fb_mode,
412         .num_modes      = 1,
413         .lcd_conn       = LCD_COLOR_TFT_16BPP,
414 };
415
416 static struct mtd_partition sharpsl_nand_partitions[] = {
417         {
418                 .name = "System Area",
419                 .offset = 0,
420                 .size = 7 * 1024 * 1024,
421         },
422         {
423                 .name = "Root Filesystem",
424                 .offset = 7 * 1024 * 1024,
425                 .size = 22 * 1024 * 1024,
426         },
427         {
428                 .name = "Home Filesystem",
429                 .offset = MTDPART_OFS_APPEND,
430                 .size = MTDPART_SIZ_FULL,
431         },
432 };
433
434 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
435
436 static struct nand_bbt_descr sharpsl_bbt = {
437         .options = 0,
438         .offs = 4,
439         .len = 2,
440         .pattern = scan_ff_pattern
441 };
442
443 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
444         .badblock_pattern       = &sharpsl_bbt,
445         .partitions             = sharpsl_nand_partitions,
446         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
447 };
448
449 static struct resource sharpsl_nand_resources[] = {
450         {
451                 .start  = 0x0C000000,
452                 .end    = 0x0C000FFF,
453                 .flags  = IORESOURCE_MEM,
454         },
455 };
456
457 static struct platform_device sharpsl_nand_device = {
458         .name           = "sharpsl-nand",
459         .id             = -1,
460         .resource       = sharpsl_nand_resources,
461         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
462         .dev.platform_data      = &sharpsl_nand_platform_data,
463 };
464
465 static struct mtd_partition sharpsl_rom_parts[] = {
466         {
467                 .name   ="Boot PROM Filesystem",
468                 .offset = 0x00120000,
469                 .size   = MTDPART_SIZ_FULL,
470         },
471 };
472
473 static struct physmap_flash_data sharpsl_rom_data = {
474         .width          = 2,
475         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
476         .parts          = sharpsl_rom_parts,
477 };
478
479 static struct resource sharpsl_rom_resources[] = {
480         {
481                 .start  = 0x00000000,
482                 .end    = 0x007fffff,
483                 .flags  = IORESOURCE_MEM,
484         },
485 };
486
487 static struct platform_device sharpsl_rom_device = {
488         .name   = "physmap-flash",
489         .id     = -1,
490         .resource = sharpsl_rom_resources,
491         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
492         .dev.platform_data = &sharpsl_rom_data,
493 };
494
495 static struct platform_device *devices[] __initdata = {
496         &poodle_locomo_device,
497         &poodle_scoop_device,
498         &sharpsl_nand_device,
499         &sharpsl_rom_device,
500 };
501
502 static void poodle_poweroff(void)
503 {
504         arm_machine_restart('h');
505 }
506
507 static void poodle_restart(char mode)
508 {
509         arm_machine_restart('h');
510 }
511
512 static void __init poodle_init(void)
513 {
514         int ret = 0;
515
516         pm_power_off = poodle_poweroff;
517         arm_pm_restart = poodle_restart;
518
519         PCFR |= PCFR_OPDE;
520
521         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
522
523         platform_scoop_config = &poodle_pcmcia_config;
524
525         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
526         if (ret)
527                 pr_warning("poodle: Unable to register LoCoMo device\n");
528
529         set_pxa_fb_parent(&poodle_locomo_device.dev);
530         set_pxa_fb_info(&poodle_fb_info);
531         pxa_set_udc_info(&udc_info);
532         pxa_set_mci_info(&poodle_mci_platform_data);
533         pxa_set_ficp_info(&poodle_ficp_platform_data);
534         pxa_set_i2c_info(NULL);
535         poodle_init_spi();
536 }
537
538 static void __init fixup_poodle(struct machine_desc *desc,
539                 struct tag *tags, char **cmdline, struct meminfo *mi)
540 {
541         sharpsl_save_param();
542         mi->nr_banks=1;
543         mi->bank[0].start = 0xa0000000;
544         mi->bank[0].node = 0;
545         mi->bank[0].size = (32*1024*1024);
546 }
547
548 MACHINE_START(POODLE, "SHARP Poodle")
549         .phys_io        = 0x40000000,
550         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
551         .fixup          = fixup_poodle,
552         .map_io         = pxa_map_io,
553         .init_irq       = pxa25x_init_irq,
554         .timer          = &pxa_timer,
555         .init_machine   = poodle_init,
556 MACHINE_END