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Linux 2.6.31.8
[linux/fpc-iii.git] / arch / arm / mach-pxa / trizeps4.c
blob825f540176d25f06b0525a82b115433c7f765c90
1 /*
2 * linux/arch/arm/mach-pxa/trizeps4.c
3 *
4 * Support for the Keith und Koep Trizeps4 Module Platform.
5 *
6 * Author: Jürgen Schindele
7 * Created: 20 02, 2006
8 * Copyright: Jürgen Schindele
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/platform_device.h>
18 #include <linux/sysdev.h>
19 #include <linux/interrupt.h>
20 #include <linux/sched.h>
21 #include <linux/bitops.h>
22 #include <linux/fb.h>
23 #include <linux/ioport.h>
24 #include <linux/delay.h>
25 #include <linux/gpio.h>
26 #include <linux/dm9000.h>
27 #include <linux/mtd/physmap.h>
28 #include <linux/mtd/partitions.h>
29
30 #include <asm/types.h>
31 #include <asm/setup.h>
32 #include <asm/memory.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35 #include <asm/sizes.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40 #include <asm/mach/flash.h>
41
42 #include <mach/pxa27x.h>
43 #include <mach/pxa2xx_spi.h>
44 #include <mach/trizeps4.h>
45 #include <mach/audio.h>
46 #include <mach/pxafb.h>
47 #include <mach/mmc.h>
48 #include <mach/irda.h>
49 #include <mach/ohci.h>
50 #include <plat/i2c.h>
51
52 #include "generic.h"
53 #include "devices.h"
54
55 /* comment out the following line if you want to use the
56 * Standard UART from PXA for serial / irda transmission
57 * and acivate it if you have status leds connected */
58 #define STATUS_LEDS_ON_STUART_PINS 1
59
60 /*****************************************************************************
61 * MultiFunctionPins of CPU
62 *****************************************************************************/
63 static unsigned long trizeps4_pin_config[] __initdata = {
64 /* Chip Selects */
65 GPIO15_nCS_1, /* DiskOnChip CS */
66 GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */
67 GPIO94_GPIO, /* DOC lock */
68
69 GPIO78_nCS_2, /* DM9000 CS */
70 GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */
71
72 GPIO79_nCS_3, /* Logic CS */
73 GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */
74
75 /* LCD - 16bpp Active TFT */
76 GPIO58_LCD_LDD_0,
77 GPIO59_LCD_LDD_1,
78 GPIO60_LCD_LDD_2,
79 GPIO61_LCD_LDD_3,
80 GPIO62_LCD_LDD_4,
81 GPIO63_LCD_LDD_5,
82 GPIO64_LCD_LDD_6,
83 GPIO65_LCD_LDD_7,
84 GPIO66_LCD_LDD_8,
85 GPIO67_LCD_LDD_9,
86 GPIO68_LCD_LDD_10,
87 GPIO69_LCD_LDD_11,
88 GPIO70_LCD_LDD_12,
89 GPIO71_LCD_LDD_13,
90 GPIO72_LCD_LDD_14,
91 GPIO73_LCD_LDD_15,
92 GPIO74_LCD_FCLK,
93 GPIO75_LCD_LCLK,
94 GPIO76_LCD_PCLK,
95 GPIO77_LCD_BIAS,
96
97 /* UART */
98 GPIO9_FFUART_CTS,
99 GPIO10_FFUART_DCD,
100 GPIO16_FFUART_TXD,
101 GPIO33_FFUART_DSR,
102 GPIO38_FFUART_RI,
103 GPIO82_FFUART_DTR,
104 GPIO83_FFUART_RTS,
105 GPIO96_FFUART_RXD,
106
107 GPIO42_BTUART_RXD,
108 GPIO43_BTUART_TXD,
109 GPIO44_BTUART_CTS,
110 GPIO45_BTUART_RTS,
111 #ifdef STATUS_LEDS_ON_STUART_PINS
112 GPIO46_GPIO,
113 GPIO47_GPIO,
114 #else
115 GPIO46_STUART_RXD,
116 GPIO47_STUART_TXD,
117 #endif
118 /* PCMCIA */
119 GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */
120 GPIO13_GPIO, /* TRIZEPS4_READY_NINT */
121 GPIO48_nPOE,
122 GPIO49_nPWE,
123 GPIO50_nPIOR,
124 GPIO51_nPIOW,
125 GPIO54_nPCE_2,
126 GPIO55_nPREG,
127 GPIO56_nPWAIT,
128 GPIO57_nIOIS16,
129 GPIO102_nPCE_1,
130 GPIO104_PSKTSEL,
131
132 /* MultiMediaCard */
133 GPIO32_MMC_CLK,
134 GPIO92_MMC_DAT_0,
135 GPIO109_MMC_DAT_1,
136 GPIO110_MMC_DAT_2,
137 GPIO111_MMC_DAT_3,
138 GPIO112_MMC_CMD,
139 GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */
140
141 /* USB OHCI */
142 GPIO88_USBH1_PWR, /* USBHPWR1 */
143 GPIO89_USBH1_PEN, /* USBHPEN1 */
144
145 /* I2C */
146 GPIO117_I2C_SCL,
147 GPIO118_I2C_SDA,
148 };
149
150 static unsigned long trizeps4wl_pin_config[] __initdata = {
151 /* SSP 2 */
152 GPIO14_SSP2_SFRM,
153 GPIO19_SSP2_SCLK,
154 GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */
155 GPIO86_SSP2_RXD,
156 GPIO87_SSP2_TXD,
157 };
158
159 /****************************************************************************
160 * ONBOARD FLASH
161 ****************************************************************************/
162 static struct mtd_partition trizeps4_partitions[] = {
163 {
164 .name = "Bootloader",
165 .offset = 0x00000000,
166 .size = 0x00040000,
167 .mask_flags = MTD_WRITEABLE /* force read-only */
168 }, {
169 .name = "Backup",
170 .offset = 0x00040000,
171 .size = 0x00040000,
172 }, {
173 .name = "Image",
174 .offset = 0x00080000,
175 .size = 0x01080000,
176 }, {
177 .name = "IPSM",
178 .offset = 0x01100000,
179 .size = 0x00e00000,
180 }, {
181 .name = "Registry",
182 .offset = 0x01f00000,
183 .size = MTDPART_SIZ_FULL,
184 }
185 };
186
187 static struct physmap_flash_data trizeps4_flash_data[] = {
188 {
189 .width = 4, /* bankwidth in bytes */
190 .parts = trizeps4_partitions,
191 .nr_parts = ARRAY_SIZE(trizeps4_partitions)
192 }
193 };
194
195 static struct resource flash_resource = {
196 .start = PXA_CS0_PHYS,
197 .end = PXA_CS0_PHYS + SZ_32M - 1,
198 .flags = IORESOURCE_MEM,
199 };
200
201 static struct platform_device flash_device = {
202 .name = "physmap-flash",
203 .id = 0,
204 .dev = {
205 .platform_data = trizeps4_flash_data,
206 },
207 .resource = &flash_resource,
208 .num_resources = 1,
209 };
210
211 /****************************************************************************
212 * DAVICOM DM9000 Ethernet
213 ****************************************************************************/
214 static struct resource dm9000_resources[] = {
215 [0] = {
216 .start = TRIZEPS4_ETH_PHYS+0x300,
217 .end = TRIZEPS4_ETH_PHYS+0x400-1,
218 .flags = IORESOURCE_MEM,
219 },
220 [1] = {
221 .start = TRIZEPS4_ETH_PHYS+0x8300,
222 .end = TRIZEPS4_ETH_PHYS+0x8400-1,
223 .flags = IORESOURCE_MEM,
224 },
225 [2] = {
226 .start = TRIZEPS4_ETH_IRQ,
227 .end = TRIZEPS4_ETH_IRQ,
228 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
229 },
230 };
231
232 static struct dm9000_plat_data tri_dm9000_platdata = {
233 .flags = DM9000_PLATF_32BITONLY,
234 };
235
236 static struct platform_device dm9000_device = {
237 .name = "dm9000",
238 .id = -1,
239 .num_resources = ARRAY_SIZE(dm9000_resources),
240 .resource = dm9000_resources,
241 .dev = {
242 .platform_data = &tri_dm9000_platdata,
243 }
244 };
245
246 /****************************************************************************
247 * LED's on GPIO pins of PXA
248 ****************************************************************************/
249 static struct gpio_led trizeps4_led[] = {
250 #ifdef STATUS_LEDS_ON_STUART_PINS
251 {
252 .name = "led0:orange:heartbeat", /* */
253 .default_trigger = "heartbeat",
254 .gpio = GPIO_HEARTBEAT_LED,
255 .active_low = 1,
256 },
257 {
258 .name = "led1:yellow:cpubusy", /* */
259 .default_trigger = "cpu-busy",
260 .gpio = GPIO_SYS_BUSY_LED,
261 .active_low = 1,
262 },
263 #endif
264 };
265
266 static struct gpio_led_platform_data trizeps4_led_data = {
267 .leds = trizeps4_led,
268 .num_leds = ARRAY_SIZE(trizeps4_led),
269 };
270
271 static struct platform_device leds_devices = {
272 .name = "leds-gpio",
273 .id = -1,
274 .dev = {
275 .platform_data = &trizeps4_led_data,
276 },
277 };
278
279 static struct platform_device *trizeps4_devices[] __initdata = {
280 &flash_device,
281 &dm9000_device,
282 &leds_devices,
283 };
284
285 static struct platform_device *trizeps4wl_devices[] __initdata = {
286 &flash_device,
287 &leds_devices,
288 };
289
290 static short trizeps_conxs_bcr;
291
292 /* PCCARD power switching supports only 3,3V */
293 void board_pcmcia_power(int power)
294 {
295 if (power) {
296 /* switch power on, put in reset and enable buffers */
297 trizeps_conxs_bcr |= power;
298 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
299 trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
300 BCR_writew(trizeps_conxs_bcr);
301 /* wait a little */
302 udelay(2000);
303 /* take reset away */
304 trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
305 BCR_writew(trizeps_conxs_bcr);
306 udelay(2000);
307 } else {
308 /* put in reset */
309 trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
310 BCR_writew(trizeps_conxs_bcr);
311 udelay(1000);
312 /* switch power off */
313 trizeps_conxs_bcr &= ~0xf;
314 BCR_writew(trizeps_conxs_bcr);
315 }
316 pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
317 trizeps_conxs_bcr);
318 }
319 EXPORT_SYMBOL(board_pcmcia_power);
320
321 /* backlight power switching for LCD panel */
322 static void board_backlight_power(int on)
323 {
324 if (on)
325 trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
326 else
327 trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
328
329 pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
330 trizeps_conxs_bcr);
331 BCR_writew(trizeps_conxs_bcr);
332 }
333
334 /* a I2C based RTC is known on CONXS board */
335 static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
336 { I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
337 };
338
339 /****************************************************************************
340 * MMC card slot external to module
341 ****************************************************************************/
342 static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
343 void *data)
344 {
345 int err;
346
347 err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
348 IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
349 "MMC card detect", data);
350 if (err) {
351 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
352 "MMC card detect IRQ\n");
353 return -1;
354 }
355 return 0;
356 }
357
358 static void trizeps4_mci_exit(struct device *dev, void *data)
359 {
360 free_irq(TRIZEPS4_MMC_IRQ, data);
361 }
362
363 static struct pxamci_platform_data trizeps4_mci_platform_data = {
364 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
365 .detect_delay = 1,
366 .init = trizeps4_mci_init,
367 .exit = trizeps4_mci_exit,
368 .get_ro = NULL, /* write-protection not supported */
369 .setpower = NULL, /* power-switching not supported */
370 };
371
372 /****************************************************************************
373 * IRDA mode switching on stuart
374 ****************************************************************************/
375 #ifndef STATUS_LEDS_ON_STUART_PINS
376 static short trizeps_conxs_ircr;
377
378 static int trizeps4_irda_startup(struct device *dev)
379 {
380 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
381 IRCR_writew(trizeps_conxs_ircr);
382 return 0;
383 }
384
385 static void trizeps4_irda_shutdown(struct device *dev)
386 {
387 trizeps_conxs_ircr |= ConXS_IRCR_SD;
388 IRCR_writew(trizeps_conxs_ircr);
389 }
390
391 static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
392 {
393 unsigned long flags;
394
395 local_irq_save(flags);
396 /* Switch mode */
397 if (mode & IR_SIRMODE)
398 trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */
399 else if (mode & IR_FIRMODE)
400 trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */
401
402 /* Switch power */
403 if (mode & IR_OFF)
404 trizeps_conxs_ircr |= ConXS_IRCR_SD;
405 else
406 trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
407
408 IRCR_writew(trizeps_conxs_ircr);
409 local_irq_restore(flags);
410
411 pxa2xx_transceiver_mode(dev, mode);
412 }
413
414 static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
415 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
416 .transceiver_mode = trizeps4_irda_transceiver_mode,
417 .startup = trizeps4_irda_startup,
418 .shutdown = trizeps4_irda_shutdown,
419 };
420 #endif
421
422 /****************************************************************************
423 * OHCI USB port
424 ****************************************************************************/
425 static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
426 .port_mode = PMM_PERPORT_MODE,
427 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
428 };
429
430 static struct map_desc trizeps4_io_desc[] __initdata = {
431 { /* ConXS CFSR */
432 .virtual = TRIZEPS4_CFSR_VIRT,
433 .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
434 .length = 0x00001000,
435 .type = MT_DEVICE
436 },
437 { /* ConXS BCR */
438 .virtual = TRIZEPS4_BOCR_VIRT,
439 .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
440 .length = 0x00001000,
441 .type = MT_DEVICE
442 },
443 { /* ConXS IRCR */
444 .virtual = TRIZEPS4_IRCR_VIRT,
445 .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
446 .length = 0x00001000,
447 .type = MT_DEVICE
448 },
449 { /* ConXS DCR */
450 .virtual = TRIZEPS4_DICR_VIRT,
451 .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS),
452 .length = 0x00001000,
453 .type = MT_DEVICE
454 },
455 { /* ConXS UPSR */
456 .virtual = TRIZEPS4_UPSR_VIRT,
457 .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
458 .length = 0x00001000,
459 .type = MT_DEVICE
460 }
461 };
462
463 static struct pxafb_mode_info sharp_lcd_mode = {
464 .pixclock = 78000,
465 .xres = 640,
466 .yres = 480,
467 .bpp = 8,
468 .hsync_len = 4,
469 .left_margin = 4,
470 .right_margin = 4,
471 .vsync_len = 2,
472 .upper_margin = 0,
473 .lower_margin = 0,
474 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
475 .cmap_greyscale = 0,
476 };
477
478 static struct pxafb_mach_info sharp_lcd = {
479 .modes = &sharp_lcd_mode,
480 .num_modes = 1,
481 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
482 .cmap_inverse = 0,
483 .cmap_static = 0,
484 .pxafb_backlight_power = board_backlight_power,
485 };
486
487 static struct pxafb_mode_info toshiba_lcd_mode = {
488 .pixclock = 39720,
489 .xres = 640,
490 .yres = 480,
491 .bpp = 8,
492 .hsync_len = 63,
493 .left_margin = 12,
494 .right_margin = 12,
495 .vsync_len = 4,
496 .upper_margin = 32,
497 .lower_margin = 10,
498 .sync = 0,
499 .cmap_greyscale = 0,
500 };
501
502 static struct pxafb_mach_info toshiba_lcd = {
503 .modes = &toshiba_lcd_mode,
504 .num_modes = 1,
505 .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
506 .cmap_inverse = 0,
507 .cmap_static = 0,
508 .pxafb_backlight_power = board_backlight_power,
509 };
510
511 static void __init trizeps4_init(void)
512 {
513 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
514 if (machine_is_trizeps4wl()) {
515 pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
516 platform_add_devices(trizeps4wl_devices,
517 ARRAY_SIZE(trizeps4wl_devices));
518 } else {
519 platform_add_devices(trizeps4_devices,
520 ARRAY_SIZE(trizeps4_devices));
521 }
522
523 if (0) /* dont know how to determine LCD */
524 set_pxa_fb_info(&sharp_lcd);
525 else
526 set_pxa_fb_info(&toshiba_lcd);
527
528 pxa_set_mci_info(&trizeps4_mci_platform_data);
529 #ifndef STATUS_LEDS_ON_STUART_PINS
530 pxa_set_ficp_info(&trizeps4_ficp_platform_data);
531 #endif
532 pxa_set_ohci_info(&trizeps4_ohci_platform_data);
533 pxa_set_ac97_info(NULL);
534 pxa_set_i2c_info(NULL);
535 i2c_register_board_info(0, trizeps4_i2c_devices,
536 ARRAY_SIZE(trizeps4_i2c_devices));
537
538 #ifdef CONFIG_IDE_PXA_CF
539 /* if boot direct from compact flash dont disable power */
540 trizeps_conxs_bcr = 0x0009;
541 #else
542 /* this is the reset value */
543 trizeps_conxs_bcr = 0x00A0;
544 #endif
545 BCR_writew(trizeps_conxs_bcr);
546 board_backlight_power(1);
547 }
548
549 static void __init trizeps4_map_io(void)
550 {
551 pxa_map_io();
552 iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));
553
554 if ((MSC0 & 0x8) && (BOOT_DEF & 0x1)) {
555 /* if flash is 16 bit wide its a Trizeps4 WL */
556 __machine_arch_type = MACH_TYPE_TRIZEPS4WL;
557 trizeps4_flash_data[0].width = 2;
558 } else {
559 /* if flash is 32 bit wide its a Trizeps4 */
560 __machine_arch_type = MACH_TYPE_TRIZEPS4;
561 trizeps4_flash_data[0].width = 4;
562 }
563 }
564
565 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
566 /* MAINTAINER("Jürgen Schindele") */
567 .phys_io = 0x40000000,
568 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
569 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
570 .init_machine = trizeps4_init,
571 .map_io = trizeps4_map_io,
572 .init_irq = pxa27x_init_irq,
573 .timer = &pxa_timer,
574 MACHINE_END
575
576 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
577 /* MAINTAINER("Jürgen Schindele") */
578 .phys_io = 0x40000000,
579 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
580 .boot_params = TRIZEPS4_SDRAM_BASE + 0x100,
581 .init_machine = trizeps4_init,
582 .map_io = trizeps4_map_io,
583 .init_irq = pxa27x_init_irq,
584 .timer = &pxa_timer,
585 MACHINE_END
Linux with added FPC-III support