Commit | Line | Data |
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8459c159 DO |
1 | /* |
2 | * Support for Sharp SL-C6000x PDAs | |
3 | * Model: (Tosa) | |
4 | * | |
5 | * Copyright (c) 2005 Dirk Opfer | |
6 | * | |
7 | * Based on code written by Sharp/Lineo for 2.4 kernels | |
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 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
067c9048 | 17 | #include <linux/platform_device.h> |
8459c159 DO |
18 | #include <linux/major.h> |
19 | #include <linux/fs.h> | |
20 | #include <linux/interrupt.h> | |
21 | #include <linux/mmc/host.h> | |
74617fb6 | 22 | #include <linux/pm.h> |
905f1467 | 23 | #include <linux/delay.h> |
93e9012f DB |
24 | #include <linux/gpio_keys.h> |
25 | #include <linux/input.h> | |
d4e7d09f | 26 | #include <linux/gpio.h> |
8459c159 DO |
27 | |
28 | #include <asm/setup.h> | |
29 | #include <asm/memory.h> | |
30 | #include <asm/mach-types.h> | |
31 | #include <asm/hardware.h> | |
32 | #include <asm/irq.h> | |
74617fb6 | 33 | #include <asm/system.h> |
77483037 | 34 | #include <asm/arch/pxa-regs.h> |
bb548dd4 | 35 | #include <asm/arch/pxa2xx-regs.h> |
2cb47342 | 36 | #include <asm/arch/mfp-pxa25x.h> |
8459c159 | 37 | #include <asm/arch/irda.h> |
481ea5a1 | 38 | #include <asm/arch/i2c.h> |
8459c159 DO |
39 | #include <asm/arch/mmc.h> |
40 | #include <asm/arch/udc.h> | |
41 | ||
42 | #include <asm/mach/arch.h> | |
43 | #include <asm/mach/map.h> | |
44 | #include <asm/mach/irq.h> | |
8459c159 DO |
45 | #include <asm/arch/tosa.h> |
46 | ||
47 | #include <asm/hardware/scoop.h> | |
48 | #include <asm/mach/sharpsl_param.h> | |
49 | ||
50 | #include "generic.h" | |
46c41e62 | 51 | #include "devices.h" |
8459c159 | 52 | |
2cb47342 DB |
53 | static unsigned long tosa_pin_config[] = { |
54 | GPIO78_nCS_2, /* Scoop */ | |
55 | GPIO80_nCS_4, /* tg6393xb */ | |
56 | GPIO33_nCS_5, /* Scoop */ | |
57 | ||
58 | // GPIO76 CARD_VCC_ON1 | |
59 | ||
60 | GPIO19_GPIO, /* Reset out */ | |
61 | GPIO1_RST | WAKEUP_ON_EDGE_FALL, | |
62 | ||
63 | GPIO0_GPIO | WAKEUP_ON_EDGE_FALL, /* WAKE_UP */ | |
64 | GPIO2_GPIO | WAKEUP_ON_EDGE_BOTH, /* AC_IN */ | |
65 | GPIO3_GPIO | WAKEUP_ON_EDGE_FALL, /* RECORD */ | |
66 | GPIO4_GPIO | WAKEUP_ON_EDGE_FALL, /* SYNC */ | |
67 | GPIO20_GPIO, /* EAR_IN */ | |
68 | GPIO22_GPIO, /* On */ | |
69 | ||
70 | GPIO5_GPIO, /* USB_IN */ | |
71 | GPIO32_GPIO, /* Pen IRQ */ | |
72 | ||
73 | GPIO7_GPIO, /* Jacket Detect */ | |
74 | GPIO14_GPIO, /* BAT0_CRG */ | |
75 | GPIO12_GPIO, /* BAT1_CRG */ | |
76 | GPIO17_GPIO, /* BAT0_LOW */ | |
77 | GPIO84_GPIO, /* BAT1_LOW */ | |
78 | GPIO38_GPIO, /* BAT_LOCK */ | |
79 | ||
80 | GPIO11_3_6MHz, | |
81 | GPIO15_GPIO, /* TC6393XB IRQ */ | |
82 | GPIO18_RDY, | |
83 | GPIO27_GPIO, /* LCD Sync */ | |
84 | ||
85 | /* MMC */ | |
86 | GPIO6_MMC_CLK, | |
87 | GPIO8_MMC_CS0, | |
88 | GPIO9_GPIO, /* Detect */ | |
89 | // GPIO10 nSD_INT | |
90 | ||
91 | /* CF */ | |
92 | GPIO13_GPIO, /* CD_IRQ */ | |
93 | GPIO21_GPIO, /* Main Slot IRQ */ | |
94 | GPIO36_GPIO, /* Jacket Slot IRQ */ | |
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 | /* AC97 */ | |
107 | GPIO31_AC97_SYNC, | |
108 | GPIO30_AC97_SDATA_OUT, | |
109 | GPIO28_AC97_BITCLK, | |
110 | GPIO29_AC97_SDATA_IN_0, | |
111 | // GPIO79 nAUD_IRQ | |
112 | ||
113 | /* FFUART */ | |
114 | GPIO34_FFUART_RXD, | |
115 | GPIO35_FFUART_CTS, | |
116 | GPIO37_FFUART_DSR, | |
117 | GPIO39_FFUART_TXD, | |
118 | GPIO40_FFUART_DTR, | |
119 | GPIO41_FFUART_RTS, | |
120 | ||
121 | /* BTUART */ | |
122 | GPIO42_BTUART_RXD, | |
123 | GPIO43_BTUART_TXD, | |
124 | GPIO44_BTUART_CTS, | |
125 | GPIO45_BTUART_RTS, | |
126 | ||
127 | /* IrDA */ | |
128 | GPIO46_STUART_RXD, | |
129 | GPIO47_STUART_TXD, | |
130 | ||
131 | /* Keybd */ | |
132 | GPIO58_GPIO, | |
133 | GPIO59_GPIO, | |
134 | GPIO60_GPIO, | |
135 | GPIO61_GPIO, | |
136 | GPIO62_GPIO, | |
137 | GPIO63_GPIO, | |
138 | GPIO64_GPIO, | |
139 | GPIO65_GPIO, | |
140 | GPIO66_GPIO, | |
141 | GPIO67_GPIO, | |
142 | GPIO68_GPIO, | |
143 | GPIO69_GPIO, | |
144 | GPIO70_GPIO, | |
145 | GPIO71_GPIO, | |
146 | GPIO72_GPIO, | |
147 | GPIO73_GPIO, | |
148 | GPIO74_GPIO, | |
149 | GPIO75_GPIO, | |
150 | ||
151 | /* SPI */ | |
152 | GPIO81_SSP2_CLK_OUT, | |
153 | GPIO82_SSP2_FRM_OUT, | |
154 | GPIO83_SSP2_TXD, | |
155 | }; | |
156 | ||
8459c159 DO |
157 | /* |
158 | * SCOOP Device | |
159 | */ | |
160 | static struct resource tosa_scoop_resources[] = { | |
161 | [0] = { | |
162 | .start = TOSA_CF_PHYS, | |
163 | .end = TOSA_CF_PHYS + 0xfff, | |
164 | .flags = IORESOURCE_MEM, | |
165 | }, | |
166 | }; | |
167 | ||
168 | static struct scoop_config tosa_scoop_setup = { | |
169 | .io_dir = TOSA_SCOOP_IO_DIR, | |
d4e7d09f | 170 | .gpio_base = TOSA_SCOOP_GPIO_BASE, |
8459c159 DO |
171 | }; |
172 | ||
ba4eb7e6 | 173 | static struct platform_device tosascoop_device = { |
8459c159 DO |
174 | .name = "sharp-scoop", |
175 | .id = 0, | |
176 | .dev = { | |
177 | .platform_data = &tosa_scoop_setup, | |
178 | }, | |
179 | .num_resources = ARRAY_SIZE(tosa_scoop_resources), | |
180 | .resource = tosa_scoop_resources, | |
181 | }; | |
182 | ||
183 | ||
184 | /* | |
185 | * SCOOP Device Jacket | |
186 | */ | |
187 | static struct resource tosa_scoop_jc_resources[] = { | |
188 | [0] = { | |
189 | .start = TOSA_SCOOP_PHYS + 0x40, | |
190 | .end = TOSA_SCOOP_PHYS + 0xfff, | |
191 | .flags = IORESOURCE_MEM, | |
192 | }, | |
193 | }; | |
194 | ||
195 | static struct scoop_config tosa_scoop_jc_setup = { | |
196 | .io_dir = TOSA_SCOOP_JC_IO_DIR, | |
d4e7d09f | 197 | .gpio_base = TOSA_SCOOP_JC_GPIO_BASE, |
8459c159 DO |
198 | }; |
199 | ||
ba4eb7e6 | 200 | static struct platform_device tosascoop_jc_device = { |
8459c159 DO |
201 | .name = "sharp-scoop", |
202 | .id = 1, | |
203 | .dev = { | |
204 | .platform_data = &tosa_scoop_jc_setup, | |
205 | .parent = &tosascoop_device.dev, | |
206 | }, | |
207 | .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources), | |
208 | .resource = tosa_scoop_jc_resources, | |
209 | }; | |
210 | ||
4c18ad20 DO |
211 | /* |
212 | * PCMCIA | |
213 | */ | |
8459c159 DO |
214 | static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = { |
215 | { | |
216 | .dev = &tosascoop_device.dev, | |
217 | .irq = TOSA_IRQ_GPIO_CF_IRQ, | |
218 | .cd_irq = TOSA_IRQ_GPIO_CF_CD, | |
219 | .cd_irq_str = "PCMCIA0 CD", | |
220 | },{ | |
221 | .dev = &tosascoop_jc_device.dev, | |
222 | .irq = TOSA_IRQ_GPIO_JC_CF_IRQ, | |
223 | .cd_irq = -1, | |
224 | }, | |
225 | }; | |
226 | ||
4c18ad20 DO |
227 | static struct scoop_pcmcia_config tosa_pcmcia_config = { |
228 | .devs = &tosa_pcmcia_scoop[0], | |
229 | .num_devs = 2, | |
4c18ad20 DO |
230 | }; |
231 | ||
a93876c1 DO |
232 | /* |
233 | * USB Device Controller | |
234 | */ | |
a93876c1 | 235 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
d4e7d09f | 236 | .gpio_pullup = TOSA_GPIO_USB_PULLUP, |
487dc922 DB |
237 | .gpio_vbus = TOSA_GPIO_USB_IN, |
238 | .gpio_vbus_inverted = 1, | |
a93876c1 DO |
239 | }; |
240 | ||
241 | /* | |
242 | * MMC/SD Device | |
243 | */ | |
244 | static struct pxamci_platform_data tosa_mci_platform_data; | |
245 | ||
40220c1a | 246 | static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data) |
a93876c1 DO |
247 | { |
248 | int err; | |
249 | ||
a93876c1 DO |
250 | tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250); |
251 | ||
2687bd38 RK |
252 | err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, |
253 | IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
a93876c1 | 254 | "MMC/SD card detect", data); |
d4e7d09f | 255 | if (err) { |
a93876c1 | 256 | printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
d4e7d09f DB |
257 | goto err_irq; |
258 | } | |
259 | ||
260 | err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp"); | |
261 | if (err) { | |
262 | printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n"); | |
263 | goto err_gpio_wp; | |
264 | } | |
265 | err = gpio_direction_input(TOSA_GPIO_SD_WP); | |
266 | if (err) | |
267 | goto err_gpio_wp_dir; | |
268 | ||
269 | err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr"); | |
270 | if (err) { | |
271 | printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n"); | |
272 | goto err_gpio_pwr; | |
273 | } | |
274 | err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0); | |
275 | if (err) | |
276 | goto err_gpio_pwr_dir; | |
a93876c1 | 277 | |
d4e7d09f DB |
278 | return 0; |
279 | ||
280 | err_gpio_pwr_dir: | |
281 | gpio_free(TOSA_GPIO_PWR_ON); | |
282 | err_gpio_pwr: | |
283 | err_gpio_wp_dir: | |
284 | gpio_free(TOSA_GPIO_SD_WP); | |
285 | err_gpio_wp: | |
286 | free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data); | |
287 | err_irq: | |
2687bd38 | 288 | return err; |
a93876c1 DO |
289 | } |
290 | ||
291 | static void tosa_mci_setpower(struct device *dev, unsigned int vdd) | |
292 | { | |
293 | struct pxamci_platform_data* p_d = dev->platform_data; | |
294 | ||
295 | if (( 1 << vdd) & p_d->ocr_mask) { | |
d4e7d09f | 296 | gpio_set_value(TOSA_GPIO_PWR_ON, 1); |
a93876c1 | 297 | } else { |
d4e7d09f | 298 | gpio_set_value(TOSA_GPIO_PWR_ON, 0); |
a93876c1 DO |
299 | } |
300 | } | |
301 | ||
302 | static int tosa_mci_get_ro(struct device *dev) | |
303 | { | |
d4e7d09f | 304 | return gpio_get_value(TOSA_GPIO_SD_WP); |
a93876c1 DO |
305 | } |
306 | ||
307 | static void tosa_mci_exit(struct device *dev, void *data) | |
308 | { | |
d4e7d09f DB |
309 | gpio_free(TOSA_GPIO_PWR_ON); |
310 | gpio_free(TOSA_GPIO_SD_WP); | |
a93876c1 DO |
311 | free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data); |
312 | } | |
313 | ||
314 | static struct pxamci_platform_data tosa_mci_platform_data = { | |
315 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
316 | .init = tosa_mci_init, | |
317 | .get_ro = tosa_mci_get_ro, | |
318 | .setpower = tosa_mci_setpower, | |
319 | .exit = tosa_mci_exit, | |
320 | }; | |
321 | ||
322 | /* | |
323 | * Irda | |
324 | */ | |
d4e7d09f | 325 | static int tosa_irda_startup(struct device *dev) |
a93876c1 | 326 | { |
d4e7d09f DB |
327 | int ret; |
328 | ||
329 | ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown"); | |
330 | if (ret) | |
331 | return ret; | |
332 | ||
333 | ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0); | |
334 | if (ret) | |
335 | gpio_free(TOSA_GPIO_IR_POWERDWN); | |
336 | ||
337 | return ret; | |
a93876c1 | 338 | } |
d4e7d09f DB |
339 | |
340 | static void tosa_irda_shutdown(struct device *dev) | |
341 | { | |
342 | gpio_free(TOSA_GPIO_IR_POWERDWN); | |
343 | } | |
344 | ||
345 | static void tosa_irda_transceiver_mode(struct device *dev, int mode) | |
346 | { | |
347 | gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF)); | |
a93876c1 DO |
348 | } |
349 | ||
350 | static struct pxaficp_platform_data tosa_ficp_platform_data = { | |
351 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
352 | .transceiver_mode = tosa_irda_transceiver_mode, | |
d4e7d09f DB |
353 | .startup = tosa_irda_startup, |
354 | .shutdown = tosa_irda_shutdown, | |
a93876c1 DO |
355 | }; |
356 | ||
357 | /* | |
358 | * Tosa Keyboard | |
359 | */ | |
360 | static struct platform_device tosakbd_device = { | |
361 | .name = "tosa-keyboard", | |
362 | .id = -1, | |
363 | }; | |
8459c159 | 364 | |
93e9012f | 365 | static struct gpio_keys_button tosa_gpio_keys[] = { |
0aa97561 DB |
366 | /* |
367 | * Two following keys are directly tied to "ON" button of tosa. Why? | |
368 | * The first one can be used as a wakeup source, the second can't; | |
369 | * also the first one is OR of ac_powered and on_button. | |
370 | */ | |
371 | { | |
372 | .type = EV_PWR, | |
373 | .code = KEY_RESERVED, | |
374 | .gpio = TOSA_GPIO_POWERON, | |
375 | .desc = "Poweron", | |
376 | .wakeup = 1, | |
377 | .active_low = 1, | |
378 | }, | |
93e9012f DB |
379 | { |
380 | .type = EV_PWR, | |
381 | .code = KEY_SUSPEND, | |
382 | .gpio = TOSA_GPIO_ON_KEY, | |
383 | .desc = "On key", | |
0aa97561 DB |
384 | /* |
385 | * can't be used as wakeup | |
386 | * .wakeup = 1, | |
387 | */ | |
93e9012f DB |
388 | .active_low = 1, |
389 | }, | |
390 | { | |
391 | .type = EV_KEY, | |
392 | .code = TOSA_KEY_RECORD, | |
393 | .gpio = TOSA_GPIO_RECORD_BTN, | |
394 | .desc = "Record Button", | |
395 | .wakeup = 1, | |
396 | .active_low = 1, | |
397 | }, | |
398 | { | |
399 | .type = EV_KEY, | |
400 | .code = TOSA_KEY_SYNC, | |
401 | .gpio = TOSA_GPIO_SYNC, | |
402 | .desc = "Sync Button", | |
403 | .wakeup = 1, | |
404 | .active_low = 1, | |
405 | }, | |
406 | }; | |
407 | ||
408 | static struct gpio_keys_platform_data tosa_gpio_keys_platform_data = { | |
409 | .buttons = tosa_gpio_keys, | |
410 | .nbuttons = ARRAY_SIZE(tosa_gpio_keys), | |
411 | }; | |
412 | ||
413 | static struct platform_device tosa_gpio_keys_device = { | |
414 | .name = "gpio-keys", | |
415 | .id = -1, | |
416 | .dev = { | |
417 | .platform_data = &tosa_gpio_keys_platform_data, | |
418 | }, | |
419 | }; | |
420 | ||
6d0cf3e0 DO |
421 | /* |
422 | * Tosa LEDs | |
423 | */ | |
ba4eb7e6 | 424 | static struct gpio_led tosa_gpio_leds[] = { |
311c736c DB |
425 | { |
426 | .name = "tosa:amber:charge", | |
427 | .default_trigger = "main-battery-charging", | |
428 | .gpio = TOSA_GPIO_CHRG_ERR_LED, | |
429 | }, | |
430 | { | |
431 | .name = "tosa:green:mail", | |
432 | .default_trigger = "nand-disk", | |
433 | .gpio = TOSA_GPIO_NOTE_LED, | |
434 | }, | |
435 | }; | |
436 | ||
ba4eb7e6 | 437 | static struct gpio_led_platform_data tosa_gpio_leds_platform_data = { |
311c736c DB |
438 | .leds = tosa_gpio_leds, |
439 | .num_leds = ARRAY_SIZE(tosa_gpio_leds), | |
440 | }; | |
441 | ||
6d0cf3e0 | 442 | static struct platform_device tosaled_device = { |
311c736c DB |
443 | .name = "leds-gpio", |
444 | .id = -1, | |
445 | .dev = { | |
446 | .platform_data = &tosa_gpio_leds_platform_data, | |
447 | }, | |
6d0cf3e0 DO |
448 | }; |
449 | ||
8459c159 DO |
450 | static struct platform_device *devices[] __initdata = { |
451 | &tosascoop_device, | |
452 | &tosascoop_jc_device, | |
a93876c1 | 453 | &tosakbd_device, |
93e9012f | 454 | &tosa_gpio_keys_device, |
6d0cf3e0 | 455 | &tosaled_device, |
8459c159 DO |
456 | }; |
457 | ||
74617fb6 RP |
458 | static void tosa_poweroff(void) |
459 | { | |
460 | RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR; | |
461 | ||
462 | pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT); | |
463 | GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET); | |
464 | ||
465 | mdelay(1000); | |
466 | arm_machine_restart('h'); | |
467 | } | |
468 | ||
469 | static void tosa_restart(char mode) | |
470 | { | |
471 | /* Bootloader magic for a reboot */ | |
472 | if((MSC0 & 0xffff0000) == 0x7ff00000) | |
473 | MSC0 = (MSC0 & 0xffff) | 0x7ee00000; | |
474 | ||
475 | tosa_poweroff(); | |
476 | } | |
477 | ||
8459c159 DO |
478 | static void __init tosa_init(void) |
479 | { | |
2cb47342 DB |
480 | pxa2xx_mfp_config(ARRAY_AND_SIZE(tosa_pin_config)); |
481 | gpio_set_wake(MFP_PIN_GPIO1, 1); | |
482 | /* We can't pass to gpio-keys since it will drop the Reset altfunc */ | |
483 | ||
74617fb6 RP |
484 | pm_power_off = tosa_poweroff; |
485 | arm_pm_restart = tosa_restart; | |
486 | ||
8459c159 DO |
487 | PCFR |= PCFR_OPDE; |
488 | ||
a93876c1 | 489 | /* enable batt_fault */ |
8459c159 DO |
490 | PMCR = 0x01; |
491 | ||
a93876c1 DO |
492 | pxa_set_mci_info(&tosa_mci_platform_data); |
493 | pxa_set_udc_info(&udc_info); | |
494 | pxa_set_ficp_info(&tosa_ficp_platform_data); | |
481ea5a1 | 495 | pxa_set_i2c_info(NULL); |
4c18ad20 | 496 | platform_scoop_config = &tosa_pcmcia_config; |
8459c159 | 497 | |
4c18ad20 | 498 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
8459c159 DO |
499 | } |
500 | ||
501 | static void __init fixup_tosa(struct machine_desc *desc, | |
502 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
503 | { | |
504 | sharpsl_save_param(); | |
505 | mi->nr_banks=1; | |
506 | mi->bank[0].start = 0xa0000000; | |
507 | mi->bank[0].node = 0; | |
508 | mi->bank[0].size = (64*1024*1024); | |
509 | } | |
510 | ||
511 | MACHINE_START(TOSA, "SHARP Tosa") | |
8459c159 DO |
512 | .phys_io = 0x40000000, |
513 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
514 | .fixup = fixup_tosa, | |
515 | .map_io = pxa_map_io, | |
cd49104d | 516 | .init_irq = pxa25x_init_irq, |
8459c159 DO |
517 | .init_machine = tosa_init, |
518 | .timer = &pxa_timer, | |
519 | MACHINE_END |