333b1dc2dd3e933160d1ba4bdfe4426298de0d43
[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 int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
249 {
250         int err;
251
252         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
253         if (err)
254                 goto err_free_2;
255
256         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
257         if (err)
258                 goto err_free_3;
259
260         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
261         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
262
263         return 0;
264
265 err_free_3:
266         gpio_free(POODLE_GPIO_SD_PWR);
267 err_free_2:
268         return err;
269 }
270
271 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
272 {
273         struct pxamci_platform_data* p_d = dev->platform_data;
274
275         if ((1 << vdd) & p_d->ocr_mask) {
276                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
277                 mdelay(2);
278                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
279         } else {
280                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
281                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
282         }
283 }
284
285 static void poodle_mci_exit(struct device *dev, void *data)
286 {
287         gpio_free(POODLE_GPIO_SD_PWR1);
288         gpio_free(POODLE_GPIO_SD_PWR);
289 }
290
291 static struct pxamci_platform_data poodle_mci_platform_data = {
292         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
293         .init                   = poodle_mci_init,
294         .setpower               = poodle_mci_setpower,
295         .exit                   = poodle_mci_exit,
296         .gpio_card_detect       = POODLE_IRQ_GPIO_nSD_DETECT,
297         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
298         .gpio_power             = -1,
299 };
300
301
302 /*
303  * Irda
304  */
305 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
306 {
307         gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF);
308         pxa2xx_transceiver_mode(dev, mode);
309 }
310
311 static int poodle_irda_startup(struct device *dev)
312 {
313         int err;
314
315         err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON");
316         if (err)
317                 return err;
318
319         gpio_direction_output(POODLE_GPIO_IR_ON, 1);
320         return 0;
321 }
322
323 static void poodle_irda_shutdown(struct device *dev)
324 {
325         gpio_free(POODLE_GPIO_IR_ON);
326 }
327
328 static struct pxaficp_platform_data poodle_ficp_platform_data = {
329         .transceiver_cap        = IR_SIRMODE | IR_OFF,
330         .transceiver_mode       = poodle_irda_transceiver_mode,
331         .startup                = poodle_irda_startup,
332         .shutdown               = poodle_irda_shutdown,
333 };
334
335
336 /*
337  * USB Device Controller
338  */
339 static struct pxa2xx_udc_mach_info udc_info __initdata = {
340         /* no connect GPIO; poodle can't tell connection status */
341         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
342 };
343
344
345 /* PXAFB device */
346 static struct pxafb_mode_info poodle_fb_mode = {
347         .pixclock       = 144700,
348         .xres           = 320,
349         .yres           = 240,
350         .bpp            = 16,
351         .hsync_len      = 7,
352         .left_margin    = 11,
353         .right_margin   = 30,
354         .vsync_len      = 2,
355         .upper_margin   = 2,
356         .lower_margin   = 0,
357         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
358 };
359
360 static struct pxafb_mach_info poodle_fb_info = {
361         .modes          = &poodle_fb_mode,
362         .num_modes      = 1,
363         .lcd_conn       = LCD_COLOR_TFT_16BPP,
364 };
365
366 static struct mtd_partition sharpsl_nand_partitions[] = {
367         {
368                 .name = "System Area",
369                 .offset = 0,
370                 .size = 7 * 1024 * 1024,
371         },
372         {
373                 .name = "Root Filesystem",
374                 .offset = 7 * 1024 * 1024,
375                 .size = 22 * 1024 * 1024,
376         },
377         {
378                 .name = "Home Filesystem",
379                 .offset = MTDPART_OFS_APPEND,
380                 .size = MTDPART_SIZ_FULL,
381         },
382 };
383
384 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
385
386 static struct nand_bbt_descr sharpsl_bbt = {
387         .options = 0,
388         .offs = 4,
389         .len = 2,
390         .pattern = scan_ff_pattern
391 };
392
393 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
394         .badblock_pattern       = &sharpsl_bbt,
395         .partitions             = sharpsl_nand_partitions,
396         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
397 };
398
399 static struct resource sharpsl_nand_resources[] = {
400         {
401                 .start  = 0x0C000000,
402                 .end    = 0x0C000FFF,
403                 .flags  = IORESOURCE_MEM,
404         },
405 };
406
407 static struct platform_device sharpsl_nand_device = {
408         .name           = "sharpsl-nand",
409         .id             = -1,
410         .resource       = sharpsl_nand_resources,
411         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
412         .dev.platform_data      = &sharpsl_nand_platform_data,
413 };
414
415 static struct mtd_partition sharpsl_rom_parts[] = {
416         {
417                 .name   ="Boot PROM Filesystem",
418                 .offset = 0x00120000,
419                 .size   = MTDPART_SIZ_FULL,
420         },
421 };
422
423 static struct physmap_flash_data sharpsl_rom_data = {
424         .width          = 2,
425         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
426         .parts          = sharpsl_rom_parts,
427 };
428
429 static struct resource sharpsl_rom_resources[] = {
430         {
431                 .start  = 0x00000000,
432                 .end    = 0x007fffff,
433                 .flags  = IORESOURCE_MEM,
434         },
435 };
436
437 static struct platform_device sharpsl_rom_device = {
438         .name   = "physmap-flash",
439         .id     = -1,
440         .resource = sharpsl_rom_resources,
441         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
442         .dev.platform_data = &sharpsl_rom_data,
443 };
444
445 static struct platform_device *devices[] __initdata = {
446         &poodle_locomo_device,
447         &poodle_scoop_device,
448         &sharpsl_nand_device,
449         &sharpsl_rom_device,
450 };
451
452 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
453         { I2C_BOARD_INFO("wm8731", 0x1b) },
454 };
455
456 static void poodle_poweroff(void)
457 {
458         arm_machine_restart('h', NULL);
459 }
460
461 static void poodle_restart(char mode, const char *cmd)
462 {
463         arm_machine_restart('h', cmd);
464 }
465
466 static void __init poodle_init(void)
467 {
468         int ret = 0;
469
470         pm_power_off = poodle_poweroff;
471         arm_pm_restart = poodle_restart;
472
473         PCFR |= PCFR_OPDE;
474
475         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
476
477         platform_scoop_config = &poodle_pcmcia_config;
478
479         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
480         if (ret)
481                 pr_warning("poodle: Unable to register LoCoMo device\n");
482
483         set_pxa_fb_parent(&poodle_locomo_device.dev);
484         set_pxa_fb_info(&poodle_fb_info);
485         pxa_set_udc_info(&udc_info);
486         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
487         pxa_set_mci_info(&poodle_mci_platform_data);
488         pxa_set_ficp_info(&poodle_ficp_platform_data);
489         pxa_set_i2c_info(NULL);
490         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
491         poodle_init_spi();
492 }
493
494 static void __init fixup_poodle(struct machine_desc *desc,
495                 struct tag *tags, char **cmdline, struct meminfo *mi)
496 {
497         sharpsl_save_param();
498         mi->nr_banks=1;
499         mi->bank[0].start = 0xa0000000;
500         mi->bank[0].node = 0;
501         mi->bank[0].size = (32*1024*1024);
502 }
503
504 MACHINE_START(POODLE, "SHARP Poodle")
505         .phys_io        = 0x40000000,
506         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
507         .fixup          = fixup_poodle,
508         .map_io         = pxa_map_io,
509         .init_irq       = pxa25x_init_irq,
510         .timer          = &pxa_timer,
511         .init_machine   = poodle_init,
512 MACHINE_END