trizeps4.c 12.4 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 24 25 26
/*
 *  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/sysdev.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>
#include <linux/serial_8250.h>
#include <linux/mtd/mtd.h>
27
#include <linux/mtd/physmap.h>
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
#include <linux/mtd/partitions.h>

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

#include <asm/arch/pxa-regs.h>
#include <asm/arch/trizeps4.h>
#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>

#include "generic.h"
52
#include "devices.h"
53 54 55 56 57 58 59

/********************************************************************************************
 * ONBOARD FLASH
 ********************************************************************************************/
static struct mtd_partition trizeps4_partitions[] = {
	{
		.name =		"Bootloader",
60
		.offset =	0x00000000,
61 62 63
		.size =		0x00040000,
		.mask_flags =	MTD_WRITEABLE  /* force read-only */
	},{
64 65 66 67 68 69 70 71 72 73 74
		.name =		"Backup",
		.offset =	0x00040000,
		.size =		0x00040000,
	},{
		.name =		"Image",
		.offset =	0x00080000,
		.size =		0x01080000,
	},{
		.name =		"IPSM",
		.offset =	0x01100000,
		.size =		0x00e00000,
75
	},{
76 77
		.name =		"Registry",
		.offset =	0x01f00000,
78 79 80 81
		.size =		MTDPART_SIZ_FULL,
	}
};

82
static struct physmap_flash_data trizeps4_flash_data[] = {
83
	{
84
		.width		= 4,			/* bankwidth in bytes */
85 86 87 88 89 90 91
		.parts		= trizeps4_partitions,
		.nr_parts	= ARRAY_SIZE(trizeps4_partitions)
	}
};

static struct resource flash_resource = {
	.start	= PXA_CS0_PHYS,
92
	.end	= PXA_CS0_PHYS + SZ_32M - 1,
93 94 95 96
	.flags	= IORESOURCE_MEM,
};

static struct platform_device flash_device = {
97
	.name		= "physmap-flash",
98 99
	.id		= 0,
	.dev = {
100
		.platform_data = trizeps4_flash_data,
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282
	},
	.resource = &flash_resource,
	.num_resources = 1,
};

/********************************************************************************************
 * DAVICOM DM9000 Ethernet
 ********************************************************************************************/
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,
		.flags	= (IORESOURCE_IRQ | IRQT_RISING),
	},
};

static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
};

/********************************************************************************************
 * PXA270 serial ports
 ********************************************************************************************/
static struct plat_serial8250_port tri_serial_ports[] = {
#ifdef CONFIG_SERIAL_PXA
	/* this uses the own PXA driver */
	{
		0,
	},
#else
	/* this uses the generic 8520 driver */
	[0] = {
		.membase	= (void *)&FFUART,
		.irq		= IRQ_FFUART,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM32,
		.regshift	= 2,
		.uartclk	= (921600*16),
	},
	[1] = {
		.membase	= (void *)&BTUART,
		.irq		= IRQ_BTUART,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM32,
		.regshift	= 2,
		.uartclk	= (921600*16),
	},
	{
		0,
	},
#endif
};

static struct platform_device uart_devices = {
	.name		= "serial8250",
	.id		= 0,
	.dev		= {
		.platform_data	= tri_serial_ports,
	},
	.num_resources	= 0,
	.resource	= NULL,
};

/********************************************************************************************
 * PXA270 ac97 sound codec
 ********************************************************************************************/
static struct platform_device ac97_audio_device = {
	.name		= "pxa2xx-ac97",
	.id		= -1,
};

static struct platform_device * trizeps4_devices[] __initdata = {
	&flash_device,
	&uart_devices,
	&dm9000_device,
	&ac97_audio_device,
};

#ifdef CONFIG_MACH_TRIZEPS4_CONXS
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;
		trizeps_conxs_bcr &= ~(ConXS_BCR_CF_BUF_EN);
		ConXS_BCR = trizeps_conxs_bcr;
		/* wait a little */
		udelay(2000);
		/* take reset away */
		trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
		ConXS_BCR = trizeps_conxs_bcr;
		udelay(2000);
	} else {
		/* put in reset */
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
		ConXS_BCR = trizeps_conxs_bcr;
		udelay(1000);
		/* switch power off */
		trizeps_conxs_bcr &= ~(0xf);
		ConXS_BCR = trizeps_conxs_bcr;

	}
	pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
}

/* backlight power switching for LCD panel */
static void board_backlight_power(int on)
{
	if (on) {
		trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
	} else {
		trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;
	}
	pr_debug("%s: o%s 0x%x\n", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
	ConXS_BCR = trizeps_conxs_bcr;
}

/* Powersupply for MMC/SD cardslot */
static void board_mci_power(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if (( 1 << vdd) & p_d->ocr_mask) {
		pr_debug("%s: on\n", __FUNCTION__);
		/* FIXME fill in values here */
	} else {
		pr_debug("%s: off\n", __FUNCTION__);
		/* FIXME fill in values here */
	}
}

static short trizeps_conxs_ircr;

/* Switch modes and Power for IRDA receiver */
static void board_irda_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		/* Slow mode */
		trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
	} else if (mode & IR_FIRMODE) {
		/* Fast mode */
		trizeps_conxs_ircr |= ConXS_IRCR_MODE;
	}
	if (mode & IR_OFF) {
		trizeps_conxs_ircr |= ConXS_IRCR_SD;
	} else {
		trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
	}
	/* FIXME write values to register */
	local_irq_restore(flags);
}

#else
/* for other baseboards define dummies */
void board_pcmcia_power(int power)	{;}
#define board_backlight_power		NULL
#define board_mci_power			NULL
#define board_irda_mode			NULL

#endif		/* CONFIG_MACH_TRIZEPS4_CONXS */
EXPORT_SYMBOL(board_pcmcia_power);

283
static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, void *data)
284 285 286 287 288 289 290 291 292 293 294 295
{
	int err;
	/* setup GPIO for PXA27x MMC controller */
	pxa_gpio_mode(GPIO32_MMCCLK_MD);
	pxa_gpio_mode(GPIO112_MMCCMD_MD);
	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
	pxa_gpio_mode(GPIO111_MMCDAT3_MD);

	pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);

296 297 298
	err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
			  IRQF_DISABLED | IRQF_TRIGGER_RISING,
			  "MMC card detect", data);
299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380
	if (err) {
		printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
		return -1;
	}
	return 0;
}

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,
	.init 		= trizeps4_mci_init,
	.exit		= trizeps4_mci_exit,
	.setpower 	= board_mci_power,
};

static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
	.transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
	.transceiver_mode = board_irda_mode,
};

static int trizeps4_ohci_init(struct device *dev)
{
	/* setup Port1 GPIO pin. */
	pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);	/* USBHPWR1 */
	pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT);	/* USBHPEN1 */

	/* Set the Power Control Polarity Low and Power Sense
	   Polarity Low to active low. */
	UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);

	return 0;
}

static void trizeps4_ohci_exit(struct device *dev)
{
	;
}

static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.init		= trizeps4_ohci_init,
	.exit		= trizeps4_ohci_exit,
};

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
	}
};

381
static struct pxafb_mode_info sharp_lcd_mode = {
382 383 384 385 386 387 388 389 390 391 392 393
    .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,
394 395 396 397 398
};

static struct pxafb_mach_info sharp_lcd = {
    .modes		= &sharp_lcd_mode,
    .num_modes	= 1,
399 400 401 402 403 404 405
    .cmap_inverse	= 0,
    .cmap_static	= 0,
    .lccr0		= LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
    .lccr3		= 0x0340ff02,
    .pxafb_backlight_power = board_backlight_power,
};

406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430
static struct pxafb_mode_info toshiba_lcd_mode = {
    .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,
};

static struct pxafb_mach_info toshiba_lcd = {
    .modes		= &toshiba_lcd_mode,
    .num_modes	= 1,
    .cmap_inverse	= 0,
    .cmap_static	= 0,
    .lccr0		= LCCR0_Color | LCCR0_Act,
    .lccr3		= 0x03400002,
    .pxafb_backlight_power = board_backlight_power,
};

431 432 433 434
static void __init trizeps4_init(void)
{
	platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));

435 436
/*	set_pxa_fb_info(&sharp_lcd); */
	set_pxa_fb_info(&toshiba_lcd);
437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474

	pxa_set_mci_info(&trizeps4_mci_platform_data);
	pxa_set_ficp_info(&trizeps4_ficp_platform_data);
	pxa_set_ohci_info(&trizeps4_ohci_platform_data);
}

static void __init trizeps4_map_io(void)
{
	pxa_map_io();
	iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));

	/* for DiskOnChip */
	pxa_gpio_mode(GPIO15_nCS_1_MD);

	/* for off-module PIC on ConXS board */
	pxa_gpio_mode(GPIO_PIC | GPIO_IN);

	/* UCB1400 irq */
	pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);

	/* for DM9000 LAN */
	pxa_gpio_mode(GPIO78_nCS_2_MD);
	pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);

	/* for PCMCIA device */
	pxa_gpio_mode(GPIO_PCD | GPIO_IN);
	pxa_gpio_mode(GPIO_PRDY | GPIO_IN);

	/* for I2C adapter */
	pxa_gpio_mode(GPIO117_I2CSCL_MD);
	pxa_gpio_mode(GPIO118_I2CSDA_MD);

	/* MMC_DET s.o. */
	pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);

	/* whats that for ??? */
	pxa_gpio_mode(GPIO79_nCS_3_MD);

475
#ifdef CONFIG_LEDS
476 477
	pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);		/* LED1 */
	pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);		/* LED2 */
478
#endif
479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506
#ifdef CONFIG_MACH_TRIZEPS4_CONXS
#ifdef CONFIG_IDE_PXA_CF
	/* if boot direct from compact flash dont disable power */
	trizeps_conxs_bcr = 0x0009;
#else
	/* this is the reset value */
	trizeps_conxs_bcr = 0x00A0;
#endif
	ConXS_BCR = trizeps_conxs_bcr;
#endif

	PWER  = 0x00000002;
	PFER  = 0x00000000;
	PRER  = 0x00000002;
	PGSR0 = 0x0158C000;
	PGSR1 = 0x00FF0080;
	PGSR2 = 0x0001C004;
	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
	PCFR |= PCFR_OPDE;
}

MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
	/* MAINTAINER("Jürgen Schindele") */
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
507
	.init_irq	= pxa27x_init_irq,
508 509 510
	.timer		= &pxa_timer,
MACHINE_END