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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 | /* LoCoMo device */ | |
162 | static struct resource locomo_resources[] = { | |
163 | [0] = { | |
164 | .start = 0x10000000, | |
165 | .end = 0x10001fff, | |
166 | .flags = IORESOURCE_MEM, | |
167 | }, | |
168 | [1] = { | |
169 | .start = PXA_GPIO_TO_IRQ(10), | |
170 | .end = PXA_GPIO_TO_IRQ(10), | |
171 | .flags = IORESOURCE_IRQ, | |
172 | }, | |
173 | }; | |
174 | ||
175 | static struct locomo_platform_data locomo_info = { | |
176 | .irq_base = IRQ_BOARD_START, | |
177 | }; | |
178 | ||
179 | struct platform_device poodle_locomo_device = { | |
180 | .name = "locomo", | |
181 | .id = 0, | |
182 | .num_resources = ARRAY_SIZE(locomo_resources), | |
183 | .resource = locomo_resources, | |
184 | .dev = { | |
185 | .platform_data = &locomo_info, | |
186 | }, | |
187 | }; | |
188 | ||
189 | EXPORT_SYMBOL(poodle_locomo_device); | |
190 | ||
191 | #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) | |
192 | static struct pxa2xx_spi_master poodle_spi_info = { | |
193 | .num_chipselect = 1, | |
194 | }; | |
195 | ||
196 | static struct ads7846_platform_data poodle_ads7846_info = { | |
197 | .model = 7846, | |
198 | .vref_delay_usecs = 100, | |
199 | .x_plate_ohms = 419, | |
200 | .y_plate_ohms = 486, | |
201 | .gpio_pendown = POODLE_GPIO_TP_INT, | |
202 | }; | |
203 | ||
204 | static struct pxa2xx_spi_chip poodle_ads7846_chip = { | |
205 | .gpio_cs = POODLE_GPIO_TP_CS, | |
206 | }; | |
207 | ||
208 | static struct spi_board_info poodle_spi_devices[] = { | |
209 | { | |
210 | .modalias = "ads7846", | |
211 | .max_speed_hz = 10000, | |
212 | .bus_num = 1, | |
213 | .platform_data = &poodle_ads7846_info, | |
214 | .controller_data= &poodle_ads7846_chip, | |
215 | .irq = gpio_to_irq(POODLE_GPIO_TP_INT), | |
216 | }, | |
217 | }; | |
218 | ||
219 | static void __init poodle_init_spi(void) | |
220 | { | |
221 | pxa2xx_set_spi_info(1, &poodle_spi_info); | |
222 | spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices)); | |
223 | } | |
224 | #else | |
225 | static inline void poodle_init_spi(void) {} | |
226 | #endif | |
227 | ||
228 | /* | |
229 | * MMC/SD Device | |
230 | * | |
231 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
232 | * to give the card a chance to fully insert/eject. | |
233 | */ | |
234 | static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data) | |
235 | { | |
236 | int err; | |
237 | ||
238 | err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR"); | |
239 | if (err) | |
240 | goto err_free_2; | |
241 | ||
242 | err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1"); | |
243 | if (err) | |
244 | goto err_free_3; | |
245 | ||
246 | gpio_direction_output(POODLE_GPIO_SD_PWR, 0); | |
247 | gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); | |
248 | ||
249 | return 0; | |
250 | ||
251 | err_free_3: | |
252 | gpio_free(POODLE_GPIO_SD_PWR); | |
253 | err_free_2: | |
254 | return err; | |
255 | } | |
256 | ||
257 | static void poodle_mci_setpower(struct device *dev, unsigned int vdd) | |
258 | { | |
259 | struct pxamci_platform_data* p_d = dev->platform_data; | |
260 | ||
261 | if ((1 << vdd) & p_d->ocr_mask) { | |
262 | gpio_set_value(POODLE_GPIO_SD_PWR, 1); | |
263 | mdelay(2); | |
264 | gpio_set_value(POODLE_GPIO_SD_PWR1, 1); | |
265 | } else { | |
266 | gpio_set_value(POODLE_GPIO_SD_PWR1, 0); | |
267 | gpio_set_value(POODLE_GPIO_SD_PWR, 0); | |
268 | } | |
269 | } | |
270 | ||
271 | static void poodle_mci_exit(struct device *dev, void *data) | |
272 | { | |
273 | gpio_free(POODLE_GPIO_SD_PWR1); | |
274 | gpio_free(POODLE_GPIO_SD_PWR); | |
275 | } | |
276 | ||
277 | static struct pxamci_platform_data poodle_mci_platform_data = { | |
278 | .detect_delay_ms = 250, | |
279 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
280 | .init = poodle_mci_init, | |
281 | .setpower = poodle_mci_setpower, | |
282 | .exit = poodle_mci_exit, | |
283 | .gpio_card_detect = POODLE_GPIO_nSD_DETECT, | |
284 | .gpio_card_ro = POODLE_GPIO_nSD_WP, | |
285 | .gpio_power = -1, | |
286 | }; | |
287 | ||
288 | ||
289 | /* | |
290 | * Irda | |
291 | */ | |
292 | static struct pxaficp_platform_data poodle_ficp_platform_data = { | |
293 | .gpio_pwdown = POODLE_GPIO_IR_ON, | |
294 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
295 | }; | |
296 | ||
297 | ||
298 | /* | |
299 | * USB Device Controller | |
300 | */ | |
301 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
302 | /* no connect GPIO; poodle can't tell connection status */ | |
303 | .gpio_pullup = POODLE_GPIO_USB_PULLUP, | |
304 | }; | |
305 | ||
306 | ||
307 | /* PXAFB device */ | |
308 | static struct pxafb_mode_info poodle_fb_mode = { | |
309 | .pixclock = 144700, | |
310 | .xres = 320, | |
311 | .yres = 240, | |
312 | .bpp = 16, | |
313 | .hsync_len = 7, | |
314 | .left_margin = 11, | |
315 | .right_margin = 30, | |
316 | .vsync_len = 2, | |
317 | .upper_margin = 2, | |
318 | .lower_margin = 0, | |
319 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
320 | }; | |
321 | ||
322 | static struct pxafb_mach_info poodle_fb_info = { | |
323 | .modes = &poodle_fb_mode, | |
324 | .num_modes = 1, | |
325 | .lcd_conn = LCD_COLOR_TFT_16BPP, | |
326 | }; | |
327 | ||
328 | static struct mtd_partition sharpsl_nand_partitions[] = { | |
329 | { | |
330 | .name = "System Area", | |
331 | .offset = 0, | |
332 | .size = 7 * 1024 * 1024, | |
333 | }, | |
334 | { | |
335 | .name = "Root Filesystem", | |
336 | .offset = 7 * 1024 * 1024, | |
337 | .size = 22 * 1024 * 1024, | |
338 | }, | |
339 | { | |
340 | .name = "Home Filesystem", | |
341 | .offset = MTDPART_OFS_APPEND, | |
342 | .size = MTDPART_SIZ_FULL, | |
343 | }, | |
344 | }; | |
345 | ||
346 | static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; | |
347 | ||
348 | static struct nand_bbt_descr sharpsl_bbt = { | |
349 | .options = 0, | |
350 | .offs = 4, | |
351 | .len = 2, | |
352 | .pattern = scan_ff_pattern | |
353 | }; | |
354 | ||
355 | static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = { | |
356 | .badblock_pattern = &sharpsl_bbt, | |
357 | .partitions = sharpsl_nand_partitions, | |
358 | .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions), | |
359 | }; | |
360 | ||
361 | static struct resource sharpsl_nand_resources[] = { | |
362 | { | |
363 | .start = 0x0C000000, | |
364 | .end = 0x0C000FFF, | |
365 | .flags = IORESOURCE_MEM, | |
366 | }, | |
367 | }; | |
368 | ||
369 | static struct platform_device sharpsl_nand_device = { | |
370 | .name = "sharpsl-nand", | |
371 | .id = -1, | |
372 | .resource = sharpsl_nand_resources, | |
373 | .num_resources = ARRAY_SIZE(sharpsl_nand_resources), | |
374 | .dev.platform_data = &sharpsl_nand_platform_data, | |
375 | }; | |
376 | ||
377 | static struct mtd_partition sharpsl_rom_parts[] = { | |
378 | { | |
379 | .name ="Boot PROM Filesystem", | |
380 | .offset = 0x00120000, | |
381 | .size = MTDPART_SIZ_FULL, | |
382 | }, | |
383 | }; | |
384 | ||
385 | static struct physmap_flash_data sharpsl_rom_data = { | |
386 | .width = 2, | |
387 | .nr_parts = ARRAY_SIZE(sharpsl_rom_parts), | |
388 | .parts = sharpsl_rom_parts, | |
389 | }; | |
390 | ||
391 | static struct resource sharpsl_rom_resources[] = { | |
392 | { | |
393 | .start = 0x00000000, | |
394 | .end = 0x007fffff, | |
395 | .flags = IORESOURCE_MEM, | |
396 | }, | |
397 | }; | |
398 | ||
399 | static struct platform_device sharpsl_rom_device = { | |
400 | .name = "physmap-flash", | |
401 | .id = -1, | |
402 | .resource = sharpsl_rom_resources, | |
403 | .num_resources = ARRAY_SIZE(sharpsl_rom_resources), | |
404 | .dev.platform_data = &sharpsl_rom_data, | |
405 | }; | |
406 | ||
407 | static struct platform_device *devices[] __initdata = { | |
408 | &poodle_locomo_device, | |
409 | &poodle_scoop_device, | |
410 | &sharpsl_nand_device, | |
411 | &sharpsl_rom_device, | |
412 | }; | |
413 | ||
414 | static struct i2c_board_info __initdata poodle_i2c_devices[] = { | |
415 | { I2C_BOARD_INFO("wm8731", 0x1b) }, | |
416 | }; | |
417 | ||
418 | static void poodle_poweroff(void) | |
419 | { | |
420 | arm_machine_restart('h', NULL); | |
421 | } | |
422 | ||
423 | static void poodle_restart(char mode, const char *cmd) | |
424 | { | |
425 | arm_machine_restart('h', cmd); | |
426 | } | |
427 | ||
428 | static void __init poodle_init(void) | |
429 | { | |
430 | int ret = 0; | |
431 | ||
432 | pm_power_off = poodle_poweroff; | |
433 | arm_pm_restart = poodle_restart; | |
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 | ||
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 | MACHINE_END |