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1 /*
2  * DBAu1000/1500/1100 PBAu1100/1500 board support
3  *
4  * Copyright 2000, 2008 MontaVista Software Inc.
5  * Author: MontaVista Software, Inc. <source@mvista.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21 
22 #include <linux/clk.h>
23 #include <linux/dma-mapping.h>
24 #include <linux/gpio.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/leds.h>
28 #include <linux/mmc/host.h>
29 #include <linux/module.h>
30 #include <linux/platform_device.h>
31 #include <linux/pm.h>
32 #include <linux/spi/spi.h>
33 #include <linux/spi/spi_gpio.h>
34 #include <linux/spi/ads7846.h>
35 #include <asm/mach-au1x00/au1000.h>
36 #include <asm/mach-au1x00/gpio-au1000.h>
37 #include <asm/mach-au1x00/au1000_dma.h>
38 #include <asm/mach-au1x00/au1100_mmc.h>
39 #include <asm/mach-db1x00/bcsr.h>
40 #include <asm/reboot.h>
41 #include <prom.h>
42 #include "platform.h"
43 
44 #define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
45 
46 const char *get_system_type(void);
47 
db1000_board_setup(void)48 int __init db1000_board_setup(void)
49 {
50 	/* initialize board register space */
51 	bcsr_init(DB1000_BCSR_PHYS_ADDR,
52 		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
53 
54 	switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
55 	case BCSR_WHOAMI_DB1000:
56 	case BCSR_WHOAMI_DB1500:
57 	case BCSR_WHOAMI_DB1100:
58 	case BCSR_WHOAMI_PB1500:
59 	case BCSR_WHOAMI_PB1500R2:
60 	case BCSR_WHOAMI_PB1100:
61 		pr_info("AMD Alchemy %s Board\n", get_system_type());
62 		return 0;
63 	}
64 	return -ENODEV;
65 }
66 
db1500_map_pci_irq(const struct pci_dev * d,u8 slot,u8 pin)67 static int db1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
68 {
69 	if ((slot < 12) || (slot > 13) || pin == 0)
70 		return -1;
71 	if (slot == 12)
72 		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
73 	if (slot == 13) {
74 		switch (pin) {
75 		case 1: return AU1500_PCI_INTA;
76 		case 2: return AU1500_PCI_INTB;
77 		case 3: return AU1500_PCI_INTC;
78 		case 4: return AU1500_PCI_INTD;
79 		}
80 	}
81 	return -1;
82 }
83 
84 static struct resource alchemy_pci_host_res[] = {
85 	[0] = {
86 		.start	= AU1500_PCI_PHYS_ADDR,
87 		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
88 		.flags	= IORESOURCE_MEM,
89 	},
90 };
91 
92 static struct alchemy_pci_platdata db1500_pci_pd = {
93 	.board_map_irq	= db1500_map_pci_irq,
94 };
95 
96 static struct platform_device db1500_pci_host_dev = {
97 	.dev.platform_data = &db1500_pci_pd,
98 	.name		= "alchemy-pci",
99 	.id		= 0,
100 	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
101 	.resource	= alchemy_pci_host_res,
102 };
103 
db1500_pci_setup(void)104 int __init db1500_pci_setup(void)
105 {
106 	return platform_device_register(&db1500_pci_host_dev);
107 }
108 
109 static struct resource au1100_lcd_resources[] = {
110 	[0] = {
111 		.start	= AU1100_LCD_PHYS_ADDR,
112 		.end	= AU1100_LCD_PHYS_ADDR + 0x800 - 1,
113 		.flags	= IORESOURCE_MEM,
114 	},
115 	[1] = {
116 		.start	= AU1100_LCD_INT,
117 		.end	= AU1100_LCD_INT,
118 		.flags	= IORESOURCE_IRQ,
119 	}
120 };
121 
122 static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
123 
124 static struct platform_device au1100_lcd_device = {
125 	.name		= "au1100-lcd",
126 	.id		= 0,
127 	.dev = {
128 		.dma_mask		= &au1100_lcd_dmamask,
129 		.coherent_dma_mask	= DMA_BIT_MASK(32),
130 	},
131 	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
132 	.resource	= au1100_lcd_resources,
133 };
134 
135 static struct resource alchemy_ac97c_res[] = {
136 	[0] = {
137 		.start	= AU1000_AC97_PHYS_ADDR,
138 		.end	= AU1000_AC97_PHYS_ADDR + 0xfff,
139 		.flags	= IORESOURCE_MEM,
140 	},
141 	[1] = {
142 		.start	= DMA_ID_AC97C_TX,
143 		.end	= DMA_ID_AC97C_TX,
144 		.flags	= IORESOURCE_DMA,
145 	},
146 	[2] = {
147 		.start	= DMA_ID_AC97C_RX,
148 		.end	= DMA_ID_AC97C_RX,
149 		.flags	= IORESOURCE_DMA,
150 	},
151 };
152 
153 static struct platform_device alchemy_ac97c_dev = {
154 	.name		= "alchemy-ac97c",
155 	.id		= -1,
156 	.resource	= alchemy_ac97c_res,
157 	.num_resources	= ARRAY_SIZE(alchemy_ac97c_res),
158 };
159 
160 static struct platform_device alchemy_ac97c_dma_dev = {
161 	.name		= "alchemy-pcm-dma",
162 	.id		= 0,
163 };
164 
165 static struct platform_device db1x00_codec_dev = {
166 	.name		= "ac97-codec",
167 	.id		= -1,
168 };
169 
170 static struct platform_device db1x00_audio_dev = {
171 	.name		= "db1000-audio",
172 };
173 
174 /******************************************************************************/
175 
db1100_mmc_cd(int irq,void * ptr)176 static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
177 {
178 	void (*mmc_cd)(struct mmc_host *, unsigned long);
179 	/* link against CONFIG_MMC=m */
180 	mmc_cd = symbol_get(mmc_detect_change);
181 	mmc_cd(ptr, msecs_to_jiffies(500));
182 	symbol_put(mmc_detect_change);
183 
184 	return IRQ_HANDLED;
185 }
186 
db1100_mmc_cd_setup(void * mmc_host,int en)187 static int db1100_mmc_cd_setup(void *mmc_host, int en)
188 {
189 	int ret = 0, irq;
190 
191 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
192 		irq = AU1100_GPIO19_INT;
193 	else
194 		irq = AU1100_GPIO14_INT;	/* PB1100 SD0 CD# */
195 
196 	if (en) {
197 		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
198 		ret = request_irq(irq, db1100_mmc_cd, 0,
199 				  "sd0_cd", mmc_host);
200 	} else
201 		free_irq(irq, mmc_host);
202 	return ret;
203 }
204 
db1100_mmc1_cd_setup(void * mmc_host,int en)205 static int db1100_mmc1_cd_setup(void *mmc_host, int en)
206 {
207 	int ret = 0, irq;
208 
209 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
210 		irq = AU1100_GPIO20_INT;
211 	else
212 		irq = AU1100_GPIO15_INT;	/* PB1100 SD1 CD# */
213 
214 	if (en) {
215 		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
216 		ret = request_irq(irq, db1100_mmc_cd, 0,
217 				  "sd1_cd", mmc_host);
218 	} else
219 		free_irq(irq, mmc_host);
220 	return ret;
221 }
222 
db1100_mmc_card_readonly(void * mmc_host)223 static int db1100_mmc_card_readonly(void *mmc_host)
224 {
225 	/* testing suggests that this bit is inverted */
226 	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 0 : 1;
227 }
228 
db1100_mmc_card_inserted(void * mmc_host)229 static int db1100_mmc_card_inserted(void *mmc_host)
230 {
231 	return !alchemy_gpio_get_value(19);
232 }
233 
db1100_mmc_set_power(void * mmc_host,int state)234 static void db1100_mmc_set_power(void *mmc_host, int state)
235 {
236 	int bit;
237 
238 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
239 		bit = BCSR_BOARD_SD0PWR;
240 	else
241 		bit = BCSR_BOARD_PB1100_SD0PWR;
242 
243 	if (state) {
244 		bcsr_mod(BCSR_BOARD, 0, bit);
245 		msleep(400);	/* stabilization time */
246 	} else
247 		bcsr_mod(BCSR_BOARD, bit, 0);
248 }
249 
db1100_mmcled_set(struct led_classdev * led,enum led_brightness b)250 static void db1100_mmcled_set(struct led_classdev *led, enum led_brightness b)
251 {
252 	if (b != LED_OFF)
253 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
254 	else
255 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
256 }
257 
258 static struct led_classdev db1100_mmc_led = {
259 	.brightness_set = db1100_mmcled_set,
260 };
261 
db1100_mmc1_card_readonly(void * mmc_host)262 static int db1100_mmc1_card_readonly(void *mmc_host)
263 {
264 	return (bcsr_read(BCSR_BOARD) & BCSR_BOARD_SD1WP) ? 1 : 0;
265 }
266 
db1100_mmc1_card_inserted(void * mmc_host)267 static int db1100_mmc1_card_inserted(void *mmc_host)
268 {
269 	return !alchemy_gpio_get_value(20);
270 }
271 
db1100_mmc1_set_power(void * mmc_host,int state)272 static void db1100_mmc1_set_power(void *mmc_host, int state)
273 {
274 	int bit;
275 
276 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
277 		bit = BCSR_BOARD_SD1PWR;
278 	else
279 		bit = BCSR_BOARD_PB1100_SD1PWR;
280 
281 	if (state) {
282 		bcsr_mod(BCSR_BOARD, 0, bit);
283 		msleep(400);	/* stabilization time */
284 	} else
285 		bcsr_mod(BCSR_BOARD, bit, 0);
286 }
287 
db1100_mmc1led_set(struct led_classdev * led,enum led_brightness b)288 static void db1100_mmc1led_set(struct led_classdev *led, enum led_brightness b)
289 {
290 	if (b != LED_OFF)
291 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
292 	else
293 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
294 }
295 
296 static struct led_classdev db1100_mmc1_led = {
297 	.brightness_set = db1100_mmc1led_set,
298 };
299 
300 static struct au1xmmc_platform_data db1100_mmc_platdata[2] = {
301 	[0] = {
302 		.cd_setup	= db1100_mmc_cd_setup,
303 		.set_power	= db1100_mmc_set_power,
304 		.card_inserted	= db1100_mmc_card_inserted,
305 		.card_readonly	= db1100_mmc_card_readonly,
306 		.led		= &db1100_mmc_led,
307 	},
308 	[1] = {
309 		.cd_setup	= db1100_mmc1_cd_setup,
310 		.set_power	= db1100_mmc1_set_power,
311 		.card_inserted	= db1100_mmc1_card_inserted,
312 		.card_readonly	= db1100_mmc1_card_readonly,
313 		.led		= &db1100_mmc1_led,
314 	},
315 };
316 
317 static struct resource au1100_mmc0_resources[] = {
318 	[0] = {
319 		.start	= AU1100_SD0_PHYS_ADDR,
320 		.end	= AU1100_SD0_PHYS_ADDR + 0xfff,
321 		.flags	= IORESOURCE_MEM,
322 	},
323 	[1] = {
324 		.start	= AU1100_SD_INT,
325 		.end	= AU1100_SD_INT,
326 		.flags	= IORESOURCE_IRQ,
327 	},
328 	[2] = {
329 		.start	= DMA_ID_SD0_TX,
330 		.end	= DMA_ID_SD0_TX,
331 		.flags	= IORESOURCE_DMA,
332 	},
333 	[3] = {
334 		.start	= DMA_ID_SD0_RX,
335 		.end	= DMA_ID_SD0_RX,
336 		.flags	= IORESOURCE_DMA,
337 	}
338 };
339 
340 static u64 au1xxx_mmc_dmamask =	 DMA_BIT_MASK(32);
341 
342 static struct platform_device db1100_mmc0_dev = {
343 	.name		= "au1xxx-mmc",
344 	.id		= 0,
345 	.dev = {
346 		.dma_mask		= &au1xxx_mmc_dmamask,
347 		.coherent_dma_mask	= DMA_BIT_MASK(32),
348 		.platform_data		= &db1100_mmc_platdata[0],
349 	},
350 	.num_resources	= ARRAY_SIZE(au1100_mmc0_resources),
351 	.resource	= au1100_mmc0_resources,
352 };
353 
354 static struct resource au1100_mmc1_res[] = {
355 	[0] = {
356 		.start	= AU1100_SD1_PHYS_ADDR,
357 		.end	= AU1100_SD1_PHYS_ADDR + 0xfff,
358 		.flags	= IORESOURCE_MEM,
359 	},
360 	[1] = {
361 		.start	= AU1100_SD_INT,
362 		.end	= AU1100_SD_INT,
363 		.flags	= IORESOURCE_IRQ,
364 	},
365 	[2] = {
366 		.start	= DMA_ID_SD1_TX,
367 		.end	= DMA_ID_SD1_TX,
368 		.flags	= IORESOURCE_DMA,
369 	},
370 	[3] = {
371 		.start	= DMA_ID_SD1_RX,
372 		.end	= DMA_ID_SD1_RX,
373 		.flags	= IORESOURCE_DMA,
374 	}
375 };
376 
377 static struct platform_device db1100_mmc1_dev = {
378 	.name		= "au1xxx-mmc",
379 	.id		= 1,
380 	.dev = {
381 		.dma_mask		= &au1xxx_mmc_dmamask,
382 		.coherent_dma_mask	= DMA_BIT_MASK(32),
383 		.platform_data		= &db1100_mmc_platdata[1],
384 	},
385 	.num_resources	= ARRAY_SIZE(au1100_mmc1_res),
386 	.resource	= au1100_mmc1_res,
387 };
388 
389 /******************************************************************************/
390 
db1000_irda_set_phy_mode(int mode)391 static void db1000_irda_set_phy_mode(int mode)
392 {
393 	unsigned short mask = BCSR_RESETS_IRDA_MODE_MASK | BCSR_RESETS_FIR_SEL;
394 
395 	switch (mode) {
396 	case AU1000_IRDA_PHY_MODE_OFF:
397 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_OFF);
398 		break;
399 	case AU1000_IRDA_PHY_MODE_SIR:
400 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL);
401 		break;
402 	case AU1000_IRDA_PHY_MODE_FIR:
403 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL |
404 					    BCSR_RESETS_FIR_SEL);
405 		break;
406 	}
407 }
408 
409 static struct au1k_irda_platform_data db1000_irda_platdata = {
410 	.set_phy_mode	= db1000_irda_set_phy_mode,
411 };
412 
413 static struct resource au1000_irda_res[] = {
414 	[0] = {
415 		.start	= AU1000_IRDA_PHYS_ADDR,
416 		.end	= AU1000_IRDA_PHYS_ADDR + 0x0fff,
417 		.flags	= IORESOURCE_MEM,
418 	},
419 	[1] = {
420 		.start	= AU1000_IRDA_TX_INT,
421 		.end	= AU1000_IRDA_TX_INT,
422 		.flags	= IORESOURCE_IRQ,
423 	},
424 	[2] = {
425 		.start	= AU1000_IRDA_RX_INT,
426 		.end	= AU1000_IRDA_RX_INT,
427 		.flags	= IORESOURCE_IRQ,
428 	},
429 };
430 
431 static struct platform_device db1000_irda_dev = {
432 	.name	= "au1000-irda",
433 	.id	= -1,
434 	.dev	= {
435 		.platform_data = &db1000_irda_platdata,
436 	},
437 	.resource	= au1000_irda_res,
438 	.num_resources	= ARRAY_SIZE(au1000_irda_res),
439 };
440 
441 /******************************************************************************/
442 
443 static struct ads7846_platform_data db1100_touch_pd = {
444 	.model		= 7846,
445 	.vref_mv	= 3300,
446 	.gpio_pendown	= 21,
447 };
448 
449 static struct spi_gpio_platform_data db1100_spictl_pd = {
450 	.sck		= 209,
451 	.mosi		= 208,
452 	.miso		= 207,
453 	.num_chipselect = 1,
454 };
455 
456 static struct spi_board_info db1100_spi_info[] __initdata = {
457 	[0] = {
458 		.modalias	 = "ads7846",
459 		.max_speed_hz	 = 3250000,
460 		.bus_num	 = 0,
461 		.chip_select	 = 0,
462 		.mode		 = 0,
463 		.irq		 = AU1100_GPIO21_INT,
464 		.platform_data	 = &db1100_touch_pd,
465 		.controller_data = (void *)210, /* for spi_gpio: CS# GPIO210 */
466 	},
467 };
468 
469 static struct platform_device db1100_spi_dev = {
470 	.name		= "spi_gpio",
471 	.id		= 0,
472 	.dev		= {
473 		.platform_data	= &db1100_spictl_pd,
474 	},
475 };
476 
477 
478 static struct platform_device *db1x00_devs[] = {
479 	&db1x00_codec_dev,
480 	&alchemy_ac97c_dma_dev,
481 	&alchemy_ac97c_dev,
482 	&db1x00_audio_dev,
483 };
484 
485 static struct platform_device *db1000_devs[] = {
486 	&db1000_irda_dev,
487 };
488 
489 static struct platform_device *db1100_devs[] = {
490 	&au1100_lcd_device,
491 	&db1100_mmc0_dev,
492 	&db1100_mmc1_dev,
493 	&db1000_irda_dev,
494 };
495 
db1000_dev_setup(void)496 int __init db1000_dev_setup(void)
497 {
498 	int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
499 	int c0, c1, d0, d1, s0, s1, flashsize = 32,  twosocks = 1;
500 	unsigned long pfc;
501 	struct clk *c, *p;
502 
503 	if (board == BCSR_WHOAMI_DB1500) {
504 		c0 = AU1500_GPIO2_INT;
505 		c1 = AU1500_GPIO5_INT;
506 		d0 = 0;	/* GPIO number, NOT irq! */
507 		d1 = 3; /* GPIO number, NOT irq! */
508 		s0 = AU1500_GPIO1_INT;
509 		s1 = AU1500_GPIO4_INT;
510 	} else if (board == BCSR_WHOAMI_DB1100) {
511 		c0 = AU1100_GPIO2_INT;
512 		c1 = AU1100_GPIO5_INT;
513 		d0 = 0; /* GPIO number, NOT irq! */
514 		d1 = 3; /* GPIO number, NOT irq! */
515 		s0 = AU1100_GPIO1_INT;
516 		s1 = AU1100_GPIO4_INT;
517 
518 		gpio_request(19, "sd0_cd");
519 		gpio_request(20, "sd1_cd");
520 		gpio_direction_input(19);	/* sd0 cd# */
521 		gpio_direction_input(20);	/* sd1 cd# */
522 
523 		/* spi_gpio on SSI0 pins */
524 		pfc = alchemy_rdsys(AU1000_SYS_PINFUNC);
525 		pfc |= (1 << 0);	/* SSI0 pins as GPIOs */
526 		alchemy_wrsys(pfc, AU1000_SYS_PINFUNC);
527 
528 		spi_register_board_info(db1100_spi_info,
529 					ARRAY_SIZE(db1100_spi_info));
530 
531 		/* link LCD clock to AUXPLL */
532 		p = clk_get(NULL, "auxpll_clk");
533 		c = clk_get(NULL, "lcd_intclk");
534 		if (!IS_ERR(c) && !IS_ERR(p)) {
535 			clk_set_parent(c, p);
536 			clk_set_rate(c, clk_get_rate(p));
537 		}
538 		if (!IS_ERR(c))
539 			clk_put(c);
540 		if (!IS_ERR(p))
541 			clk_put(p);
542 
543 		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
544 		platform_device_register(&db1100_spi_dev);
545 	} else if (board == BCSR_WHOAMI_DB1000) {
546 		c0 = AU1000_GPIO2_INT;
547 		c1 = AU1000_GPIO5_INT;
548 		d0 = 0; /* GPIO number, NOT irq! */
549 		d1 = 3; /* GPIO number, NOT irq! */
550 		s0 = AU1000_GPIO1_INT;
551 		s1 = AU1000_GPIO4_INT;
552 		platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));
553 	} else if ((board == BCSR_WHOAMI_PB1500) ||
554 		   (board == BCSR_WHOAMI_PB1500R2)) {
555 		c0 = AU1500_GPIO203_INT;
556 		d0 = 1; /* GPIO number, NOT irq! */
557 		s0 = AU1500_GPIO202_INT;
558 		twosocks = 0;
559 		flashsize = 64;
560 		/* RTC and daughtercard irqs */
561 		irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_LOW);
562 		irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
563 		/* EPSON S1D13806 0x1b000000
564 		 * SRAM 1MB/2MB	  0x1a000000
565 		 * DS1693 RTC	  0x0c000000
566 		 */
567 	} else if (board == BCSR_WHOAMI_PB1100) {
568 		c0 = AU1100_GPIO11_INT;
569 		d0 = 9; /* GPIO number, NOT irq! */
570 		s0 = AU1100_GPIO10_INT;
571 		twosocks = 0;
572 		flashsize = 64;
573 		/* pendown, rtc, daughtercard irqs */
574 		irq_set_irq_type(AU1100_GPIO8_INT, IRQ_TYPE_LEVEL_LOW);
575 		irq_set_irq_type(AU1100_GPIO12_INT, IRQ_TYPE_LEVEL_LOW);
576 		irq_set_irq_type(AU1100_GPIO13_INT, IRQ_TYPE_LEVEL_LOW);
577 		/* EPSON S1D13806 0x1b000000
578 		 * SRAM 1MB/2MB	  0x1a000000
579 		 * DiskOnChip	  0x0d000000
580 		 * DS1693 RTC	  0x0c000000
581 		 */
582 		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
583 	} else
584 		return 0; /* unknown board, no further dev setup to do */
585 
586 	irq_set_irq_type(c0, IRQ_TYPE_LEVEL_LOW);
587 	irq_set_irq_type(s0, IRQ_TYPE_LEVEL_LOW);
588 
589 	db1x_register_pcmcia_socket(
590 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
591 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
592 		AU1000_PCMCIA_MEM_PHYS_ADDR,
593 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
594 		AU1000_PCMCIA_IO_PHYS_ADDR,
595 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
596 		c0, d0, /*s0*/0, 0, 0);
597 
598 	if (twosocks) {
599 		irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW);
600 		irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW);
601 
602 		db1x_register_pcmcia_socket(
603 			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
604 			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
605 			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
606 			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
607 			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
608 			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
609 			c1, d1, /*s1*/0, 0, 1);
610 	}
611 
612 	platform_add_devices(db1x00_devs, ARRAY_SIZE(db1x00_devs));
613 	db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
614 	return 0;
615 }
616