trizeps4.c 14 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*
 *  linux/arch/arm/mach-pxa/trizeps4.c
 *
 *  Support for the Keith und Koep Trizeps4 Module Platform.
 *
 *  Author:	Jürgen Schindele
 *  Created:	20 02, 2006
 *  Copyright:	Jürgen Schindele
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/delay.h>
24 25
#include <linux/gpio.h>
#include <linux/dm9000.h>
26
#include <linux/mtd/physmap.h>
27
#include <linux/mtd/partitions.h>
28
#include <linux/i2c/pxa-i2c.h>
29 30 31 32 33 34 35 36 37 38 39 40 41

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/sizes.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>

42
#include <mach/pxa27x.h>
43 44 45 46 47 48
#include <mach/trizeps4.h>
#include <mach/audio.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/irda.h>
#include <mach/ohci.h>
49
#include <mach/smemc.h>
50 51

#include "generic.h"
52
#include "devices.h"
53

54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
/*	comment out the following line if you want to use the
 *	Standard UART from PXA for serial / irda transmission
 *	and acivate it if you have status leds connected */
#define STATUS_LEDS_ON_STUART_PINS 1

/*****************************************************************************
 * MultiFunctionPins of CPU
 *****************************************************************************/
static unsigned long trizeps4_pin_config[] __initdata = {
	/* Chip Selects */
	GPIO15_nCS_1,		/* DiskOnChip CS */
	GPIO93_GPIO,		/* TRIZEPS4_DOC_IRQ */
	GPIO94_GPIO,		/* DOC lock */

	GPIO78_nCS_2,		/* DM9000 CS */
	GPIO101_GPIO,		/* TRIZEPS4_ETH_IRQ */

	GPIO79_nCS_3,		/* Logic CS */
	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* Logic irq */

74 75 76 77 78 79
	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,

80
	/* LCD - 16bpp Active TFT */
81
	GPIOxx_LCD_TFT_16BPP,
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145

	/* UART */
	GPIO9_FFUART_CTS,
	GPIO10_FFUART_DCD,
	GPIO16_FFUART_TXD,
	GPIO33_FFUART_DSR,
	GPIO38_FFUART_RI,
	GPIO82_FFUART_DTR,
	GPIO83_FFUART_RTS,
	GPIO96_FFUART_RXD,

	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,
#ifdef STATUS_LEDS_ON_STUART_PINS
	GPIO46_GPIO,
	GPIO47_GPIO,
#else
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,
#endif
	/* PCMCIA */
	GPIO11_GPIO,			/* TRIZEPS4_CD_IRQ */
	GPIO13_GPIO,			/* TRIZEPS4_READY_NINT */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO102_nPCE_1,
	GPIO104_PSKTSEL,

	/* MultiMediaCard */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,
	GPIO12_GPIO,			/* TRIZEPS4_MMC_IRQ */

	/* USB OHCI */
	GPIO88_USBH1_PWR,		/* USBHPWR1 */
	GPIO89_USBH1_PEN,		/* USBHPEN1 */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,
};

static unsigned long trizeps4wl_pin_config[] __initdata = {
	/* SSP 2 */
	GPIO14_SSP2_SFRM,
	GPIO19_SSP2_SCLK,
	GPIO53_GPIO,			/* TRIZEPS4_SPI_IRQ */
	GPIO86_SSP2_RXD,
	GPIO87_SSP2_TXD,
};

/****************************************************************************
146
 * ONBOARD FLASH
147
 ****************************************************************************/
148 149 150
static struct mtd_partition trizeps4_partitions[] = {
	{
		.name =		"Bootloader",
151
		.offset =	0x00000000,
152 153
		.size =		0x00040000,
		.mask_flags =	MTD_WRITEABLE  /* force read-only */
154
	}, {
155 156 157
		.name =		"Backup",
		.offset =	0x00040000,
		.size =		0x00040000,
158
	}, {
159 160 161
		.name =		"Image",
		.offset =	0x00080000,
		.size =		0x01080000,
162
	}, {
163 164 165
		.name =		"IPSM",
		.offset =	0x01100000,
		.size =		0x00e00000,
166
	}, {
167 168
		.name =		"Registry",
		.offset =	0x01f00000,
169 170 171 172
		.size =		MTDPART_SIZ_FULL,
	}
};

173
static struct physmap_flash_data trizeps4_flash_data[] = {
174
	{
175
		.width		= 4,			/* bankwidth in bytes */
176 177 178 179 180 181 182
		.parts		= trizeps4_partitions,
		.nr_parts	= ARRAY_SIZE(trizeps4_partitions)
	}
};

static struct resource flash_resource = {
	.start	= PXA_CS0_PHYS,
183
	.end	= PXA_CS0_PHYS + SZ_32M - 1,
184 185 186 187
	.flags	= IORESOURCE_MEM,
};

static struct platform_device flash_device = {
188
	.name		= "physmap-flash",
189 190
	.id		= 0,
	.dev = {
191
		.platform_data = trizeps4_flash_data,
192 193 194 195 196
	},
	.resource = &flash_resource,
	.num_resources = 1,
};

197
/****************************************************************************
198
 * DAVICOM DM9000 Ethernet
199
 ****************************************************************************/
200 201 202 203 204 205 206 207 208 209 210 211 212 213
static struct resource dm9000_resources[] = {
	[0] = {
		.start	= TRIZEPS4_ETH_PHYS+0x300,
		.end	= TRIZEPS4_ETH_PHYS+0x400-1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= TRIZEPS4_ETH_PHYS+0x8300,
		.end	= TRIZEPS4_ETH_PHYS+0x8400-1,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= TRIZEPS4_ETH_IRQ,
		.end	= TRIZEPS4_ETH_IRQ,
214
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
215 216 217
	},
};

218 219 220 221
static struct dm9000_plat_data tri_dm9000_platdata = {
	.flags		= DM9000_PLATF_32BITONLY,
};

222 223 224 225 226
static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
227 228 229
	.dev		= {
		.platform_data = &tri_dm9000_platdata,
	}
230 231
};

232 233 234 235 236
/****************************************************************************
 * LED's on GPIO pins of PXA
 ****************************************************************************/
static struct gpio_led trizeps4_led[] = {
#ifdef STATUS_LEDS_ON_STUART_PINS
237
	{
238 239 240 241
		.name = "led0:orange:heartbeat",	/* */
		.default_trigger = "heartbeat",
		.gpio = GPIO_HEARTBEAT_LED,
		.active_low = 1,
242 243
	},
	{
244 245 246 247
		.name = "led1:yellow:cpubusy",		/* */
		.default_trigger = "cpu-busy",
		.gpio = GPIO_SYS_BUSY_LED,
		.active_low = 1,
248 249 250 251
	},
#endif
};

252 253 254 255 256 257 258 259
static struct gpio_led_platform_data trizeps4_led_data = {
	.leds		= trizeps4_led,
	.num_leds	= ARRAY_SIZE(trizeps4_led),
};

static struct platform_device leds_devices = {
	.name		= "leds-gpio",
	.id		= -1,
260
	.dev		= {
261
		.platform_data	= &trizeps4_led_data,
262 263 264
	},
};

265
static struct platform_device *trizeps4_devices[] __initdata = {
266 267
	&flash_device,
	&dm9000_device,
268 269 270 271 272 273
	&leds_devices,
};

static struct platform_device *trizeps4wl_devices[] __initdata = {
	&flash_device,
	&leds_devices,
274 275 276 277 278 279 280 281 282 283 284
};

static short trizeps_conxs_bcr;

/* PCCARD power switching supports only 3,3V */
void board_pcmcia_power(int power)
{
	if (power) {
		/* switch power on, put in reset and enable buffers */
		trizeps_conxs_bcr |= power;
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
285 286
		trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
		BCR_writew(trizeps_conxs_bcr);
287 288 289
		/* wait a little */
		udelay(2000);
		/* take reset away */
290 291
		trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
		BCR_writew(trizeps_conxs_bcr);
292 293 294 295
		udelay(2000);
	} else {
		/* put in reset */
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
296
		BCR_writew(trizeps_conxs_bcr);
297 298
		udelay(1000);
		/* switch power off */
299 300
		trizeps_conxs_bcr &= ~0xf;
		BCR_writew(trizeps_conxs_bcr);
301
	}
302 303
	pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
			trizeps_conxs_bcr);
304
}
305
EXPORT_SYMBOL(board_pcmcia_power);
306 307 308 309

/* backlight power switching for LCD panel */
static void board_backlight_power(int on)
{
310
	if (on)
311
		trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
312
	else
313 314
		trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;

315 316 317
	pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
			trizeps_conxs_bcr);
	BCR_writew(trizeps_conxs_bcr);
318 319
}

320 321 322 323
/* a I2C based RTC is known on CONXS board */
static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
	{ I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
};
324

325 326 327 328 329
/****************************************************************************
 * MMC card slot external to module
 ****************************************************************************/
static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
		void *data)
330 331 332
{
	int err;

333
	err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
334 335 336 337 338 339 340 341
		IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
		"MMC card detect", data);
	if (err) {
		printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
						"MMC card detect IRQ\n");
		return -1;
	}
	return 0;
342 343 344 345 346 347 348 349 350
}

static void trizeps4_mci_exit(struct device *dev, void *data)
{
	free_irq(TRIZEPS4_MMC_IRQ, data);
}

static struct pxamci_platform_data trizeps4_mci_platform_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
351
	.detect_delay_ms= 10,
352 353
	.init 		= trizeps4_mci_init,
	.exit		= trizeps4_mci_exit,
354 355
	.get_ro		= NULL,	/* write-protection not supported */
	.setpower 	= NULL,	/* power-switching not supported */
356 357 358
	.gpio_card_detect = -1,
	.gpio_card_ro	= -1,
	.gpio_power	= -1,
359 360
};

361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387
/****************************************************************************
 * IRDA mode switching on stuart
 ****************************************************************************/
#ifndef STATUS_LEDS_ON_STUART_PINS
static short trizeps_conxs_ircr;

static int trizeps4_irda_startup(struct device *dev)
{
	trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
	IRCR_writew(trizeps_conxs_ircr);
	return 0;
}

static void trizeps4_irda_shutdown(struct device *dev)
{
	trizeps_conxs_ircr |= ConXS_IRCR_SD;
	IRCR_writew(trizeps_conxs_ircr);
}

static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	/* Switch mode */
	if (mode & IR_SIRMODE)
		trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;	/* Slow mode */
388
	else if (mode & IR_FIRMODE)
389 390 391 392 393 394 395 396 397 398 399 400 401 402
		trizeps_conxs_ircr |= ConXS_IRCR_MODE;	/* Fast mode */

	/* Switch power */
	if (mode & IR_OFF)
		trizeps_conxs_ircr |= ConXS_IRCR_SD;
	else
		trizeps_conxs_ircr &= ~ConXS_IRCR_SD;

	IRCR_writew(trizeps_conxs_ircr);
	local_irq_restore(flags);

	pxa2xx_transceiver_mode(dev, mode);
}

403
static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
404
	.gpio_pwdown		= -1,
405 406 407 408
	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
	.transceiver_mode	= trizeps4_irda_transceiver_mode,
	.startup		= trizeps4_irda_startup,
	.shutdown		= trizeps4_irda_shutdown,
409
};
410
#endif
411

412 413 414
/****************************************************************************
 * OHCI USB port
 ****************************************************************************/
415 416
static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
417
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452
};

static struct map_desc trizeps4_io_desc[] __initdata = {
	{ 	/* ConXS CFSR */
		.virtual	= TRIZEPS4_CFSR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS BCR */
		.virtual	= TRIZEPS4_BOCR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{ 	/* ConXS IRCR */
		.virtual	= TRIZEPS4_IRCR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS DCR */
		.virtual	= TRIZEPS4_DICR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_DICR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS UPSR */
		.virtual	= TRIZEPS4_UPSR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	}
};

453
static struct pxafb_mode_info sharp_lcd_mode = {
454 455 456 457 458 459 460 461 462 463 464 465
	.pixclock	= 78000,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 8,
	.hsync_len	= 4,
	.left_margin	= 4,
	.right_margin	= 4,
	.vsync_len	= 2,
	.upper_margin	= 0,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 0,
466 467 468
};

static struct pxafb_mach_info sharp_lcd = {
469 470 471 472 473 474
	.modes		= &sharp_lcd_mode,
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.pxafb_backlight_power = board_backlight_power,
475 476
};

477
static struct pxafb_mode_info toshiba_lcd_mode = {
478 479 480 481 482 483 484 485 486 487 488 489
	.pixclock	= 39720,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 8,
	.hsync_len	= 63,
	.left_margin	= 12,
	.right_margin	= 12,
	.vsync_len	= 4,
	.upper_margin	= 32,
	.lower_margin	= 10,
	.sync		= 0,
	.cmap_greyscale	= 0,
490 491 492
};

static struct pxafb_mach_info toshiba_lcd = {
493 494 495 496 497 498
	.modes		= &toshiba_lcd_mode,
	.num_modes	= 1,
	.lcd_conn	= (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.pxafb_backlight_power = board_backlight_power,
499 500
};

501 502
static void __init trizeps4_init(void)
{
503 504 505 506 507 508 509 510 511
	pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
	if (machine_is_trizeps4wl()) {
		pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
		platform_add_devices(trizeps4wl_devices,
					ARRAY_SIZE(trizeps4wl_devices));
	} else {
		platform_add_devices(trizeps4_devices,
					ARRAY_SIZE(trizeps4_devices));
	}
512

513 514 515 516
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

517
	if (0)	/* dont know how to determine LCD */
518
		pxa_set_fb_info(NULL, &sharp_lcd);
519
	else
520
		pxa_set_fb_info(NULL, &toshiba_lcd);
521 522

	pxa_set_mci_info(&trizeps4_mci_platform_data);
523
#ifndef STATUS_LEDS_ON_STUART_PINS
524
	pxa_set_ficp_info(&trizeps4_ficp_platform_data);
525
#endif
526
	pxa_set_ohci_info(&trizeps4_ohci_platform_data);
527
	pxa_set_ac97_info(NULL);
528 529 530
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, trizeps4_i2c_devices,
					ARRAY_SIZE(trizeps4_i2c_devices));
531 532 533

	/* this is the reset value */
	trizeps_conxs_bcr = 0x00A0;
534

535 536 537
	BCR_writew(trizeps_conxs_bcr);
	board_backlight_power(1);
}
538

539 540
static void __init trizeps4_map_io(void)
{
541
	pxa27x_map_io();
542 543
	iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));

544
	if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
545 546 547 548 549 550 551 552
		/* if flash is 16 bit wide its a Trizeps4 WL */
		__machine_arch_type = MACH_TYPE_TRIZEPS4WL;
		trizeps4_flash_data[0].width = 2;
	} else {
		/* if flash is 32 bit wide its a Trizeps4 */
		__machine_arch_type = MACH_TYPE_TRIZEPS4;
		trizeps4_flash_data[0].width = 4;
	}
553 554 555 556 557 558 559
}

MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
	/* MAINTAINER("Jürgen Schindele") */
	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
560
	.init_irq	= pxa27x_init_irq,
561
	.handle_irq	= pxa27x_handle_irq,
562 563 564
	.timer		= &pxa_timer,
MACHINE_END

565 566 567 568 569 570
MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
	/* MAINTAINER("Jürgen Schindele") */
	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
	.init_irq	= pxa27x_init_irq,
571
	.handle_irq	= pxa27x_handle_irq,
572 573
	.timer		= &pxa_timer,
MACHINE_END