93a191c889df5fa3d440ee269e28894a4e61dbac
[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 <mach/irda.h>
44 #include <mach/poodle.h>
45 #include <mach/pxafb.h>
46 #include <mach/pxa2xx_spi.h>
47 #include <plat/i2c.h>
48
49 #include <asm/hardware/scoop.h>
50 #include <asm/hardware/locomo.h>
51 #include <asm/mach/sharpsl_param.h>
52
53 #include "generic.h"
54 #include "devices.h"
55
56 static unsigned long poodle_pin_config[] __initdata = {
57         /* I/O */
58         GPIO79_nCS_3,
59         GPIO80_nCS_4,
60         GPIO18_RDY,
61
62         /* Clock */
63         GPIO12_32KHz,
64
65         /* SSP1 */
66         GPIO23_SSP1_SCLK,
67         GPIO25_SSP1_TXD,
68         GPIO26_SSP1_RXD,
69         GPIO24_GPIO,    /* POODLE_GPIO_TP_CS - SFRM as chip select */
70
71         /* I2S */
72         GPIO28_I2S_BITCLK_OUT,
73         GPIO29_I2S_SDATA_IN,
74         GPIO30_I2S_SDATA_OUT,
75         GPIO31_I2S_SYNC,
76         GPIO32_I2S_SYSCLK,
77
78         /* Infra-Red */
79         GPIO47_FICP_TXD,
80         GPIO46_FICP_RXD,
81
82         /* FFUART */
83         GPIO40_FFUART_DTR,
84         GPIO41_FFUART_RTS,
85         GPIO39_FFUART_TXD,
86         GPIO37_FFUART_DSR,
87         GPIO34_FFUART_RXD,
88         GPIO35_FFUART_CTS,
89
90         /* LCD */
91         GPIOxx_LCD_TFT_16BPP,
92
93         /* PC Card */
94         GPIO48_nPOE,
95         GPIO49_nPWE,
96         GPIO50_nPIOR,
97         GPIO51_nPIOW,
98         GPIO52_nPCE_1,
99         GPIO53_nPCE_2,
100         GPIO54_nPSKTSEL,
101         GPIO55_nPREG,
102         GPIO56_nPWAIT,
103         GPIO57_nIOIS16,
104
105         /* MMC */
106         GPIO6_MMC_CLK,
107         GPIO8_MMC_CS0,
108
109         /* GPIO */
110         GPIO9_GPIO,     /* POODLE_GPIO_nSD_DETECT */
111         GPIO7_GPIO,     /* POODLE_GPIO_nSD_WP */
112         GPIO3_GPIO,     /* POODLE_GPIO_SD_PWR */
113         GPIO33_GPIO,    /* POODLE_GPIO_SD_PWR1 */
114
115         GPIO20_GPIO,    /* POODLE_GPIO_USB_PULLUP */
116         GPIO22_GPIO,    /* POODLE_GPIO_IR_ON */
117 };
118
119 static struct resource poodle_scoop_resources[] = {
120         [0] = {
121                 .start          = 0x10800000,
122                 .end            = 0x10800fff,
123                 .flags          = IORESOURCE_MEM,
124         },
125 };
126
127 static struct scoop_config poodle_scoop_setup = {
128         .io_dir         = POODLE_SCOOP_IO_DIR,
129         .io_out         = POODLE_SCOOP_IO_OUT,
130         .gpio_base      = POODLE_SCOOP_GPIO_BASE,
131 };
132
133 struct platform_device poodle_scoop_device = {
134         .name           = "sharp-scoop",
135         .id             = -1,
136         .dev            = {
137                 .platform_data  = &poodle_scoop_setup,
138         },
139         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
140         .resource       = poodle_scoop_resources,
141 };
142
143 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
144 {
145         .dev        = &poodle_scoop_device.dev,
146         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
147         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
148         .cd_irq_str = "PCMCIA0 CD",
149 },
150 };
151
152 static struct scoop_pcmcia_config poodle_pcmcia_config = {
153         .devs         = &poodle_pcmcia_scoop[0],
154         .num_devs     = 1,
155 };
156
157 EXPORT_SYMBOL(poodle_scoop_device);
158
159
160 /* LoCoMo device */
161 static struct resource locomo_resources[] = {
162         [0] = {
163                 .start          = 0x10000000,
164                 .end            = 0x10001fff,
165                 .flags          = IORESOURCE_MEM,
166         },
167         [1] = {
168                 .start          = IRQ_GPIO(10),
169                 .end            = IRQ_GPIO(10),
170                 .flags          = IORESOURCE_IRQ,
171         },
172 };
173
174 static struct locomo_platform_data locomo_info = {
175         .irq_base       = IRQ_BOARD_START,
176 };
177
178 struct platform_device poodle_locomo_device = {
179         .name           = "locomo",
180         .id             = 0,
181         .num_resources  = ARRAY_SIZE(locomo_resources),
182         .resource       = locomo_resources,
183         .dev            = {
184                 .platform_data  = &locomo_info,
185         },
186 };
187
188 EXPORT_SYMBOL(poodle_locomo_device);
189
190 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
191 static struct pxa2xx_spi_master poodle_spi_info = {
192         .num_chipselect = 1,
193 };
194
195 static struct ads7846_platform_data poodle_ads7846_info = {
196         .model                  = 7846,
197         .vref_delay_usecs       = 100,
198         .x_plate_ohms           = 419,
199         .y_plate_ohms           = 486,
200         .gpio_pendown           = POODLE_GPIO_TP_INT,
201 };
202
203 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
204         .gpio_cs                = POODLE_GPIO_TP_CS,
205 };
206
207 static struct spi_board_info poodle_spi_devices[] = {
208         {
209                 .modalias       = "ads7846",
210                 .max_speed_hz   = 10000,
211                 .bus_num        = 1,
212                 .platform_data  = &poodle_ads7846_info,
213                 .controller_data= &poodle_ads7846_chip,
214                 .irq            = gpio_to_irq(POODLE_GPIO_TP_INT),
215         },
216 };
217
218 static void __init poodle_init_spi(void)
219 {
220         pxa2xx_set_spi_info(1, &poodle_spi_info);
221         spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
222 }
223 #else
224 static inline void poodle_init_spi(void) {}
225 #endif
226
227 /*
228  * MMC/SD Device
229  *
230  * The card detect interrupt isn't debounced so we delay it by 250ms
231  * to give the card a chance to fully insert/eject.
232  */
233 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
234 {
235         int err;
236
237         err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
238         if (err)
239                 goto err_free_2;
240
241         err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
242         if (err)
243                 goto err_free_3;
244
245         gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
246         gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
247
248         return 0;
249
250 err_free_3:
251         gpio_free(POODLE_GPIO_SD_PWR);
252 err_free_2:
253         return err;
254 }
255
256 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
257 {
258         struct pxamci_platform_data* p_d = dev->platform_data;
259
260         if ((1 << vdd) & p_d->ocr_mask) {
261                 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
262                 mdelay(2);
263                 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
264         } else {
265                 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
266                 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
267         }
268 }
269
270 static void poodle_mci_exit(struct device *dev, void *data)
271 {
272         gpio_free(POODLE_GPIO_SD_PWR1);
273         gpio_free(POODLE_GPIO_SD_PWR);
274 }
275
276 static struct pxamci_platform_data poodle_mci_platform_data = {
277         .detect_delay_ms        = 250,
278         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
279         .init                   = poodle_mci_init,
280         .setpower               = poodle_mci_setpower,
281         .exit                   = poodle_mci_exit,
282         .gpio_card_detect       = POODLE_GPIO_nSD_DETECT,
283         .gpio_card_ro           = POODLE_GPIO_nSD_WP,
284         .gpio_power             = -1,
285 };
286
287
288 /*
289  * Irda
290  */
291 static struct pxaficp_platform_data poodle_ficp_platform_data = {
292         .gpio_pwdown            = POODLE_GPIO_IR_ON,
293         .transceiver_cap        = IR_SIRMODE | IR_OFF,
294 };
295
296
297 /*
298  * USB Device Controller
299  */
300 static struct pxa2xx_udc_mach_info udc_info __initdata = {
301         /* no connect GPIO; poodle can't tell connection status */
302         .gpio_pullup    = POODLE_GPIO_USB_PULLUP,
303 };
304
305
306 /* PXAFB device */
307 static struct pxafb_mode_info poodle_fb_mode = {
308         .pixclock       = 144700,
309         .xres           = 320,
310         .yres           = 240,
311         .bpp            = 16,
312         .hsync_len      = 7,
313         .left_margin    = 11,
314         .right_margin   = 30,
315         .vsync_len      = 2,
316         .upper_margin   = 2,
317         .lower_margin   = 0,
318         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
319 };
320
321 static struct pxafb_mach_info poodle_fb_info = {
322         .modes          = &poodle_fb_mode,
323         .num_modes      = 1,
324         .lcd_conn       = LCD_COLOR_TFT_16BPP,
325 };
326
327 static struct mtd_partition sharpsl_nand_partitions[] = {
328         {
329                 .name = "System Area",
330                 .offset = 0,
331                 .size = 7 * 1024 * 1024,
332         },
333         {
334                 .name = "Root Filesystem",
335                 .offset = 7 * 1024 * 1024,
336                 .size = 22 * 1024 * 1024,
337         },
338         {
339                 .name = "Home Filesystem",
340                 .offset = MTDPART_OFS_APPEND,
341                 .size = MTDPART_SIZ_FULL,
342         },
343 };
344
345 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
346
347 static struct nand_bbt_descr sharpsl_bbt = {
348         .options = 0,
349         .offs = 4,
350         .len = 2,
351         .pattern = scan_ff_pattern
352 };
353
354 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
355         .badblock_pattern       = &sharpsl_bbt,
356         .partitions             = sharpsl_nand_partitions,
357         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
358 };
359
360 static struct resource sharpsl_nand_resources[] = {
361         {
362                 .start  = 0x0C000000,
363                 .end    = 0x0C000FFF,
364                 .flags  = IORESOURCE_MEM,
365         },
366 };
367
368 static struct platform_device sharpsl_nand_device = {
369         .name           = "sharpsl-nand",
370         .id             = -1,
371         .resource       = sharpsl_nand_resources,
372         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
373         .dev.platform_data      = &sharpsl_nand_platform_data,
374 };
375
376 static struct mtd_partition sharpsl_rom_parts[] = {
377         {
378                 .name   ="Boot PROM Filesystem",
379                 .offset = 0x00120000,
380                 .size   = MTDPART_SIZ_FULL,
381         },
382 };
383
384 static struct physmap_flash_data sharpsl_rom_data = {
385         .width          = 2,
386         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
387         .parts          = sharpsl_rom_parts,
388 };
389
390 static struct resource sharpsl_rom_resources[] = {
391         {
392                 .start  = 0x00000000,
393                 .end    = 0x007fffff,
394                 .flags  = IORESOURCE_MEM,
395         },
396 };
397
398 static struct platform_device sharpsl_rom_device = {
399         .name   = "physmap-flash",
400         .id     = -1,
401         .resource = sharpsl_rom_resources,
402         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
403         .dev.platform_data = &sharpsl_rom_data,
404 };
405
406 static struct platform_device *devices[] __initdata = {
407         &poodle_locomo_device,
408         &poodle_scoop_device,
409         &sharpsl_nand_device,
410         &sharpsl_rom_device,
411 };
412
413 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
414         { I2C_BOARD_INFO("wm8731", 0x1b) },
415 };
416
417 static void poodle_poweroff(void)
418 {
419         arm_machine_restart('h', NULL);
420 }
421
422 static void poodle_restart(char mode, const char *cmd)
423 {
424         arm_machine_restart('h', cmd);
425 }
426
427 static void __init poodle_init(void)
428 {
429         int ret = 0;
430
431         pm_power_off = poodle_poweroff;
432         arm_pm_restart = poodle_restart;
433
434         PCFR |= PCFR_OPDE;
435
436         pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
437
438         pxa_set_ffuart_info(NULL);
439         pxa_set_btuart_info(NULL);
440         pxa_set_stuart_info(NULL);
441
442         platform_scoop_config = &poodle_pcmcia_config;
443
444         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
445         if (ret)
446                 pr_warning("poodle: Unable to register LoCoMo device\n");
447
448         set_pxa_fb_parent(&poodle_locomo_device.dev);
449         set_pxa_fb_info(&poodle_fb_info);
450         pxa_set_udc_info(&udc_info);
451         pxa_set_mci_info(&poodle_mci_platform_data);
452         pxa_set_ficp_info(&poodle_ficp_platform_data);
453         pxa_set_i2c_info(NULL);
454         i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
455         poodle_init_spi();
456 }
457
458 static void __init fixup_poodle(struct machine_desc *desc,
459                 struct tag *tags, char **cmdline, struct meminfo *mi)
460 {
461         sharpsl_save_param();
462         mi->nr_banks=1;
463         mi->bank[0].start = 0xa0000000;
464         mi->bank[0].size = (32*1024*1024);
465 }
466
467 MACHINE_START(POODLE, "SHARP Poodle")
468         .fixup          = fixup_poodle,
469         .map_io         = pxa_map_io,
470         .nr_irqs        = POODLE_NR_IRQS,       /* 4 for LoCoMo */
471         .init_irq       = pxa25x_init_irq,
472         .timer          = &pxa_timer,
473         .init_machine   = poodle_init,
474 MACHINE_END