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/export.h>
20 #include <linux/platform_device.h>
21 #include <linux/fb.h>
22 #include <linux/pm.h>
23 #include <linux/delay.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/gpio.h>
26 #include <linux/i2c.h>
27 #include <linux/i2c/pxa-i2c.h>
28 #include <linux/spi/spi.h>
29 #include <linux/spi/ads7846.h>
30 #include <linux/spi/pxa2xx_spi.h>
31 #include <linux/mtd/sharpsl.h>
32
33 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
35 #include <asm/irq.h>
36 #include <asm/setup.h>
37 #include <asm/system.h>
38
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
42
43 #include <mach/pxa25x.h>
44 #include <mach/mmc.h>
45 #include <mach/udc.h>
46 #include <mach/irda.h>
47 #include <mach/poodle.h>
48 #include <mach/pxafb.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
57 static unsigned long poodle_pin_config[] __initdata = {
58 /* I/O */
59 GPIO79_nCS_3,
60 GPIO80_nCS_4,
61 GPIO18_RDY,
62
63 /* Clock */
64 GPIO12_32KHz,
65
66 /* SSP1 */
67 GPIO23_SSP1_SCLK,
68 GPIO25_SSP1_TXD,
69 GPIO26_SSP1_RXD,
70 GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */
71
72 /* I2S */
73 GPIO28_I2S_BITCLK_OUT,
74 GPIO29_I2S_SDATA_IN,
75 GPIO30_I2S_SDATA_OUT,
76 GPIO31_I2S_SYNC,
77 GPIO32_I2S_SYSCLK,
78
79 /* Infra-Red */
80 GPIO47_FICP_TXD,
81 GPIO46_FICP_RXD,
82
83 /* FFUART */
84 GPIO40_FFUART_DTR,
85 GPIO41_FFUART_RTS,
86 GPIO39_FFUART_TXD,
87 GPIO37_FFUART_DSR,
88 GPIO34_FFUART_RXD,
89 GPIO35_FFUART_CTS,
90
91 /* LCD */
92 GPIOxx_LCD_TFT_16BPP,
93
94 /* PC Card */
95 GPIO48_nPOE,
96 GPIO49_nPWE,
97 GPIO50_nPIOR,
98 GPIO51_nPIOW,
99 GPIO52_nPCE_1,
100 GPIO53_nPCE_2,
101 GPIO54_nPSKTSEL,
102 GPIO55_nPREG,
103 GPIO56_nPWAIT,
104 GPIO57_nIOIS16,
105
106 /* MMC */
107 GPIO6_MMC_CLK,
108 GPIO8_MMC_CS0,
109
110 /* GPIO */
111 GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */
112 GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */
113 GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */
114 GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */
115
116 GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */
117 GPIO22_GPIO, /* POODLE_GPIO_IR_ON */
118 };
119
120 static struct resource poodle_scoop_resources[] = {
121 [0] = {
122 .start = 0x10800000,
123 .end = 0x10800fff,
124 .flags = IORESOURCE_MEM,
125 },
126 };
127
128 static struct scoop_config poodle_scoop_setup = {
129 .io_dir = POODLE_SCOOP_IO_DIR,
130 .io_out = POODLE_SCOOP_IO_OUT,
131 .gpio_base = POODLE_SCOOP_GPIO_BASE,
132 };
133
134 struct platform_device poodle_scoop_device = {
135 .name = "sharp-scoop",
136 .id = -1,
137 .dev = {
138 .platform_data = &poodle_scoop_setup,
139 },
140 .num_resources = ARRAY_SIZE(poodle_scoop_resources),
141 .resource = poodle_scoop_resources,
142 };
143
144 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
145 {
146 .dev = &poodle_scoop_device.dev,
147 .irq = POODLE_IRQ_GPIO_CF_IRQ,
148 .cd_irq = POODLE_IRQ_GPIO_CF_CD,
149 .cd_irq_str = "PCMCIA0 CD",
150 },
151 };
152
153 static struct scoop_pcmcia_config poodle_pcmcia_config = {
154 .devs = &poodle_pcmcia_scoop[0],
155 .num_devs = 1,
156 };
157
158 EXPORT_SYMBOL(poodle_scoop_device);
159
160
161 static struct platform_device poodle_audio_device = {
162 .name = "poodle-audio",
163 .id = -1,
164 };
165
166 /* LoCoMo device */
167 static struct resource locomo_resources[] = {
168 [0] = {
169 .start = 0x10000000,
170 .end = 0x10001fff,
171 .flags = IORESOURCE_MEM,
172 },
173 [1] = {
174 .start = PXA_GPIO_TO_IRQ(10),
175 .end = PXA_GPIO_TO_IRQ(10),
176 .flags = IORESOURCE_IRQ,
177 },
178 };
179
180 static struct locomo_platform_data locomo_info = {
181 .irq_base = IRQ_BOARD_START,
182 };
183
184 struct platform_device poodle_locomo_device = {
185 .name = "locomo",
186 .id = 0,
187 .num_resources = ARRAY_SIZE(locomo_resources),
188 .resource = locomo_resources,
189 .dev = {
190 .platform_data = &locomo_info,
191 },
192 };
193
194 EXPORT_SYMBOL(poodle_locomo_device);
195
196 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
197 static struct pxa2xx_spi_master poodle_spi_info = {
198 .num_chipselect = 1,
199 };
200
201 static struct ads7846_platform_data poodle_ads7846_info = {
202 .model = 7846,
203 .vref_delay_usecs = 100,
204 .x_plate_ohms = 419,
205 .y_plate_ohms = 486,
206 .gpio_pendown = POODLE_GPIO_TP_INT,
207 };
208
209 static struct pxa2xx_spi_chip poodle_ads7846_chip = {
210 .gpio_cs = POODLE_GPIO_TP_CS,
211 };
212
213 static struct spi_board_info poodle_spi_devices[] = {
214 {
215 .modalias = "ads7846",
216 .max_speed_hz = 10000,
217 .bus_num = 1,
218 .platform_data = &poodle_ads7846_info,
219 .controller_data= &poodle_ads7846_chip,
220 .irq = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
221 },
222 };
223
poodle_init_spi(void)224 static void __init poodle_init_spi(void)
225 {
226 pxa2xx_set_spi_info(1, &poodle_spi_info);
227 spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
228 }
229 #else
poodle_init_spi(void)230 static inline void poodle_init_spi(void) {}
231 #endif
232
233 /*
234 * MMC/SD Device
235 *
236 * The card detect interrupt isn't debounced so we delay it by 250ms
237 * to give the card a chance to fully insert/eject.
238 */
poodle_mci_init(struct device * dev,irq_handler_t poodle_detect_int,void * data)239 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
240 {
241 int err;
242
243 err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
244 if (err)
245 goto err_free_2;
246
247 err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
248 if (err)
249 goto err_free_3;
250
251 gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
252 gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);
253
254 return 0;
255
256 err_free_3:
257 gpio_free(POODLE_GPIO_SD_PWR);
258 err_free_2:
259 return err;
260 }
261
poodle_mci_setpower(struct device * dev,unsigned int vdd)262 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
263 {
264 struct pxamci_platform_data* p_d = dev->platform_data;
265
266 if ((1 << vdd) & p_d->ocr_mask) {
267 gpio_set_value(POODLE_GPIO_SD_PWR, 1);
268 mdelay(2);
269 gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
270 } else {
271 gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
272 gpio_set_value(POODLE_GPIO_SD_PWR, 0);
273 }
274 }
275
poodle_mci_exit(struct device * dev,void * data)276 static void poodle_mci_exit(struct device *dev, void *data)
277 {
278 gpio_free(POODLE_GPIO_SD_PWR1);
279 gpio_free(POODLE_GPIO_SD_PWR);
280 }
281
282 static struct pxamci_platform_data poodle_mci_platform_data = {
283 .detect_delay_ms = 250,
284 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
285 .init = poodle_mci_init,
286 .setpower = poodle_mci_setpower,
287 .exit = poodle_mci_exit,
288 .gpio_card_detect = POODLE_GPIO_nSD_DETECT,
289 .gpio_card_ro = POODLE_GPIO_nSD_WP,
290 .gpio_power = -1,
291 };
292
293
294 /*
295 * Irda
296 */
297 static struct pxaficp_platform_data poodle_ficp_platform_data = {
298 .gpio_pwdown = POODLE_GPIO_IR_ON,
299 .transceiver_cap = IR_SIRMODE | IR_OFF,
300 };
301
302
303 /*
304 * USB Device Controller
305 */
306 static struct pxa2xx_udc_mach_info udc_info __initdata = {
307 /* no connect GPIO; poodle can't tell connection status */
308 .gpio_pullup = POODLE_GPIO_USB_PULLUP,
309 };
310
311
312 /* PXAFB device */
313 static struct pxafb_mode_info poodle_fb_mode = {
314 .pixclock = 144700,
315 .xres = 320,
316 .yres = 240,
317 .bpp = 16,
318 .hsync_len = 7,
319 .left_margin = 11,
320 .right_margin = 30,
321 .vsync_len = 2,
322 .upper_margin = 2,
323 .lower_margin = 0,
324 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
325 };
326
327 static struct pxafb_mach_info poodle_fb_info = {
328 .modes = &poodle_fb_mode,
329 .num_modes = 1,
330 .lcd_conn = LCD_COLOR_TFT_16BPP,
331 };
332
333 static struct mtd_partition sharpsl_nand_partitions[] = {
334 {
335 .name = "System Area",
336 .offset = 0,
337 .size = 7 * 1024 * 1024,
338 },
339 {
340 .name = "Root Filesystem",
341 .offset = 7 * 1024 * 1024,
342 .size = 22 * 1024 * 1024,
343 },
344 {
345 .name = "Home Filesystem",
346 .offset = MTDPART_OFS_APPEND,
347 .size = MTDPART_SIZ_FULL,
348 },
349 };
350
351 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
352
353 static struct nand_bbt_descr sharpsl_bbt = {
354 .options = 0,
355 .offs = 4,
356 .len = 2,
357 .pattern = scan_ff_pattern
358 };
359
360 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
361 .badblock_pattern = &sharpsl_bbt,
362 .partitions = sharpsl_nand_partitions,
363 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
364 };
365
366 static struct resource sharpsl_nand_resources[] = {
367 {
368 .start = 0x0C000000,
369 .end = 0x0C000FFF,
370 .flags = IORESOURCE_MEM,
371 },
372 };
373
374 static struct platform_device sharpsl_nand_device = {
375 .name = "sharpsl-nand",
376 .id = -1,
377 .resource = sharpsl_nand_resources,
378 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
379 .dev.platform_data = &sharpsl_nand_platform_data,
380 };
381
382 static struct mtd_partition sharpsl_rom_parts[] = {
383 {
384 .name ="Boot PROM Filesystem",
385 .offset = 0x00120000,
386 .size = MTDPART_SIZ_FULL,
387 },
388 };
389
390 static struct physmap_flash_data sharpsl_rom_data = {
391 .width = 2,
392 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
393 .parts = sharpsl_rom_parts,
394 };
395
396 static struct resource sharpsl_rom_resources[] = {
397 {
398 .start = 0x00000000,
399 .end = 0x007fffff,
400 .flags = IORESOURCE_MEM,
401 },
402 };
403
404 static struct platform_device sharpsl_rom_device = {
405 .name = "physmap-flash",
406 .id = -1,
407 .resource = sharpsl_rom_resources,
408 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
409 .dev.platform_data = &sharpsl_rom_data,
410 };
411
412 static struct platform_device *devices[] __initdata = {
413 &poodle_locomo_device,
414 &poodle_scoop_device,
415 &poodle_audio_device,
416 &sharpsl_nand_device,
417 &sharpsl_rom_device,
418 };
419
420 static struct i2c_board_info __initdata poodle_i2c_devices[] = {
421 { I2C_BOARD_INFO("wm8731", 0x1b) },
422 };
423
poodle_poweroff(void)424 static void poodle_poweroff(void)
425 {
426 pxa_restart('h', NULL);
427 }
428
poodle_init(void)429 static void __init poodle_init(void)
430 {
431 int ret = 0;
432
433 pm_power_off = poodle_poweroff;
434
435 PCFR |= PCFR_OPDE;
436
437 pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));
438
439 pxa_set_ffuart_info(NULL);
440 pxa_set_btuart_info(NULL);
441 pxa_set_stuart_info(NULL);
442
443 platform_scoop_config = &poodle_pcmcia_config;
444
445 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
446 if (ret)
447 pr_warning("poodle: Unable to register LoCoMo device\n");
448
449 pxa_set_fb_info(&poodle_locomo_device.dev, &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
fixup_poodle(struct tag * tags,char ** cmdline,struct meminfo * mi)458 static void __init fixup_poodle(struct tag *tags, char **cmdline,
459 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 = pxa25x_map_io,
470 .nr_irqs = POODLE_NR_IRQS, /* 4 for LoCoMo */
471 .init_irq = pxa25x_init_irq,
472 .handle_irq = pxa25x_handle_irq,
473 .timer = &pxa_timer,
474 .init_machine = poodle_init,
475 .restart = pxa_restart,
476 MACHINE_END
477