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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/au1000_dma.h>
37 #include <asm/mach-au1x00/au1100_mmc.h>
38 #include <asm/mach-db1x00/bcsr.h>
39 #include <asm/reboot.h>
40 #include <prom.h>
41 #include "platform.h"
42 
43 #define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
44 
45 const char *get_system_type(void);
46 
db1000_board_setup(void)47 int __init db1000_board_setup(void)
48 {
49 	/* initialize board register space */
50 	bcsr_init(DB1000_BCSR_PHYS_ADDR,
51 		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
52 
53 	switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
54 	case BCSR_WHOAMI_DB1000:
55 	case BCSR_WHOAMI_DB1500:
56 	case BCSR_WHOAMI_DB1100:
57 	case BCSR_WHOAMI_PB1500:
58 	case BCSR_WHOAMI_PB1500R2:
59 	case BCSR_WHOAMI_PB1100:
60 		pr_info("AMD Alchemy %s Board\n", get_system_type());
61 		return 0;
62 	}
63 	return -ENODEV;
64 }
65 
db1500_map_pci_irq(const struct pci_dev * d,u8 slot,u8 pin)66 static int db1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
67 {
68 	if ((slot < 12) || (slot > 13) || pin == 0)
69 		return -1;
70 	if (slot == 12)
71 		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
72 	if (slot == 13) {
73 		switch (pin) {
74 		case 1: return AU1500_PCI_INTA;
75 		case 2: return AU1500_PCI_INTB;
76 		case 3: return AU1500_PCI_INTC;
77 		case 4: return AU1500_PCI_INTD;
78 		}
79 	}
80 	return -1;
81 }
82 
83 static struct resource alchemy_pci_host_res[] = {
84 	[0] = {
85 		.start	= AU1500_PCI_PHYS_ADDR,
86 		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
87 		.flags	= IORESOURCE_MEM,
88 	},
89 };
90 
91 static struct alchemy_pci_platdata db1500_pci_pd = {
92 	.board_map_irq	= db1500_map_pci_irq,
93 };
94 
95 static struct platform_device db1500_pci_host_dev = {
96 	.dev.platform_data = &db1500_pci_pd,
97 	.name		= "alchemy-pci",
98 	.id		= 0,
99 	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
100 	.resource	= alchemy_pci_host_res,
101 };
102 
db1500_pci_setup(void)103 int __init db1500_pci_setup(void)
104 {
105 	return platform_device_register(&db1500_pci_host_dev);
106 }
107 
108 static struct resource au1100_lcd_resources[] = {
109 	[0] = {
110 		.start	= AU1100_LCD_PHYS_ADDR,
111 		.end	= AU1100_LCD_PHYS_ADDR + 0x800 - 1,
112 		.flags	= IORESOURCE_MEM,
113 	},
114 	[1] = {
115 		.start	= AU1100_LCD_INT,
116 		.end	= AU1100_LCD_INT,
117 		.flags	= IORESOURCE_IRQ,
118 	}
119 };
120 
121 static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
122 
123 static struct platform_device au1100_lcd_device = {
124 	.name		= "au1100-lcd",
125 	.id		= 0,
126 	.dev = {
127 		.dma_mask		= &au1100_lcd_dmamask,
128 		.coherent_dma_mask	= DMA_BIT_MASK(32),
129 	},
130 	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
131 	.resource	= au1100_lcd_resources,
132 };
133 
134 static struct resource alchemy_ac97c_res[] = {
135 	[0] = {
136 		.start	= AU1000_AC97_PHYS_ADDR,
137 		.end	= AU1000_AC97_PHYS_ADDR + 0xfff,
138 		.flags	= IORESOURCE_MEM,
139 	},
140 	[1] = {
141 		.start	= DMA_ID_AC97C_TX,
142 		.end	= DMA_ID_AC97C_TX,
143 		.flags	= IORESOURCE_DMA,
144 	},
145 	[2] = {
146 		.start	= DMA_ID_AC97C_RX,
147 		.end	= DMA_ID_AC97C_RX,
148 		.flags	= IORESOURCE_DMA,
149 	},
150 };
151 
152 static struct platform_device alchemy_ac97c_dev = {
153 	.name		= "alchemy-ac97c",
154 	.id		= -1,
155 	.resource	= alchemy_ac97c_res,
156 	.num_resources	= ARRAY_SIZE(alchemy_ac97c_res),
157 };
158 
159 static struct platform_device alchemy_ac97c_dma_dev = {
160 	.name		= "alchemy-pcm-dma",
161 	.id		= 0,
162 };
163 
164 static struct platform_device db1x00_codec_dev = {
165 	.name		= "ac97-codec",
166 	.id		= -1,
167 };
168 
169 static struct platform_device db1x00_audio_dev = {
170 	.name		= "db1000-audio",
171 };
172 
173 /******************************************************************************/
174 
db1100_mmc_cd(int irq,void * ptr)175 static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
176 {
177 	void (*mmc_cd)(struct mmc_host *, unsigned long);
178 	/* link against CONFIG_MMC=m */
179 	mmc_cd = symbol_get(mmc_detect_change);
180 	mmc_cd(ptr, msecs_to_jiffies(500));
181 	symbol_put(mmc_detect_change);
182 
183 	return IRQ_HANDLED;
184 }
185 
db1100_mmc_cd_setup(void * mmc_host,int en)186 static int db1100_mmc_cd_setup(void *mmc_host, int en)
187 {
188 	int ret = 0, irq;
189 
190 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
191 		irq = AU1100_GPIO19_INT;
192 	else
193 		irq = AU1100_GPIO14_INT;	/* PB1100 SD0 CD# */
194 
195 	if (en) {
196 		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
197 		ret = request_irq(irq, db1100_mmc_cd, 0,
198 				  "sd0_cd", mmc_host);
199 	} else
200 		free_irq(irq, mmc_host);
201 	return ret;
202 }
203 
db1100_mmc1_cd_setup(void * mmc_host,int en)204 static int db1100_mmc1_cd_setup(void *mmc_host, int en)
205 {
206 	int ret = 0, irq;
207 
208 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
209 		irq = AU1100_GPIO20_INT;
210 	else
211 		irq = AU1100_GPIO15_INT;	/* PB1100 SD1 CD# */
212 
213 	if (en) {
214 		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
215 		ret = request_irq(irq, db1100_mmc_cd, 0,
216 				  "sd1_cd", mmc_host);
217 	} else
218 		free_irq(irq, mmc_host);
219 	return ret;
220 }
221 
db1100_mmc_card_readonly(void * mmc_host)222 static int db1100_mmc_card_readonly(void *mmc_host)
223 {
224 	/* testing suggests that this bit is inverted */
225 	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 0 : 1;
226 }
227 
db1100_mmc_card_inserted(void * mmc_host)228 static int db1100_mmc_card_inserted(void *mmc_host)
229 {
230 	return !alchemy_gpio_get_value(19);
231 }
232 
db1100_mmc_set_power(void * mmc_host,int state)233 static void db1100_mmc_set_power(void *mmc_host, int state)
234 {
235 	int bit;
236 
237 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
238 		bit = BCSR_BOARD_SD0PWR;
239 	else
240 		bit = BCSR_BOARD_PB1100_SD0PWR;
241 
242 	if (state) {
243 		bcsr_mod(BCSR_BOARD, 0, bit);
244 		msleep(400);	/* stabilization time */
245 	} else
246 		bcsr_mod(BCSR_BOARD, bit, 0);
247 }
248 
db1100_mmcled_set(struct led_classdev * led,enum led_brightness b)249 static void db1100_mmcled_set(struct led_classdev *led, enum led_brightness b)
250 {
251 	if (b != LED_OFF)
252 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
253 	else
254 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
255 }
256 
257 static struct led_classdev db1100_mmc_led = {
258 	.brightness_set = db1100_mmcled_set,
259 };
260 
db1100_mmc1_card_readonly(void * mmc_host)261 static int db1100_mmc1_card_readonly(void *mmc_host)
262 {
263 	return (bcsr_read(BCSR_BOARD) & BCSR_BOARD_SD1WP) ? 1 : 0;
264 }
265 
db1100_mmc1_card_inserted(void * mmc_host)266 static int db1100_mmc1_card_inserted(void *mmc_host)
267 {
268 	return !alchemy_gpio_get_value(20);
269 }
270 
db1100_mmc1_set_power(void * mmc_host,int state)271 static void db1100_mmc1_set_power(void *mmc_host, int state)
272 {
273 	int bit;
274 
275 	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
276 		bit = BCSR_BOARD_SD1PWR;
277 	else
278 		bit = BCSR_BOARD_PB1100_SD1PWR;
279 
280 	if (state) {
281 		bcsr_mod(BCSR_BOARD, 0, bit);
282 		msleep(400);	/* stabilization time */
283 	} else
284 		bcsr_mod(BCSR_BOARD, bit, 0);
285 }
286 
db1100_mmc1led_set(struct led_classdev * led,enum led_brightness b)287 static void db1100_mmc1led_set(struct led_classdev *led, enum led_brightness b)
288 {
289 	if (b != LED_OFF)
290 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
291 	else
292 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
293 }
294 
295 static struct led_classdev db1100_mmc1_led = {
296 	.brightness_set = db1100_mmc1led_set,
297 };
298 
299 static struct au1xmmc_platform_data db1100_mmc_platdata[2] = {
300 	[0] = {
301 		.cd_setup	= db1100_mmc_cd_setup,
302 		.set_power	= db1100_mmc_set_power,
303 		.card_inserted	= db1100_mmc_card_inserted,
304 		.card_readonly	= db1100_mmc_card_readonly,
305 		.led		= &db1100_mmc_led,
306 	},
307 	[1] = {
308 		.cd_setup	= db1100_mmc1_cd_setup,
309 		.set_power	= db1100_mmc1_set_power,
310 		.card_inserted	= db1100_mmc1_card_inserted,
311 		.card_readonly	= db1100_mmc1_card_readonly,
312 		.led		= &db1100_mmc1_led,
313 	},
314 };
315 
316 static struct resource au1100_mmc0_resources[] = {
317 	[0] = {
318 		.start	= AU1100_SD0_PHYS_ADDR,
319 		.end	= AU1100_SD0_PHYS_ADDR + 0xfff,
320 		.flags	= IORESOURCE_MEM,
321 	},
322 	[1] = {
323 		.start	= AU1100_SD_INT,
324 		.end	= AU1100_SD_INT,
325 		.flags	= IORESOURCE_IRQ,
326 	},
327 	[2] = {
328 		.start	= DMA_ID_SD0_TX,
329 		.end	= DMA_ID_SD0_TX,
330 		.flags	= IORESOURCE_DMA,
331 	},
332 	[3] = {
333 		.start	= DMA_ID_SD0_RX,
334 		.end	= DMA_ID_SD0_RX,
335 		.flags	= IORESOURCE_DMA,
336 	}
337 };
338 
339 static u64 au1xxx_mmc_dmamask =	 DMA_BIT_MASK(32);
340 
341 static struct platform_device db1100_mmc0_dev = {
342 	.name		= "au1xxx-mmc",
343 	.id		= 0,
344 	.dev = {
345 		.dma_mask		= &au1xxx_mmc_dmamask,
346 		.coherent_dma_mask	= DMA_BIT_MASK(32),
347 		.platform_data		= &db1100_mmc_platdata[0],
348 	},
349 	.num_resources	= ARRAY_SIZE(au1100_mmc0_resources),
350 	.resource	= au1100_mmc0_resources,
351 };
352 
353 static struct resource au1100_mmc1_res[] = {
354 	[0] = {
355 		.start	= AU1100_SD1_PHYS_ADDR,
356 		.end	= AU1100_SD1_PHYS_ADDR + 0xfff,
357 		.flags	= IORESOURCE_MEM,
358 	},
359 	[1] = {
360 		.start	= AU1100_SD_INT,
361 		.end	= AU1100_SD_INT,
362 		.flags	= IORESOURCE_IRQ,
363 	},
364 	[2] = {
365 		.start	= DMA_ID_SD1_TX,
366 		.end	= DMA_ID_SD1_TX,
367 		.flags	= IORESOURCE_DMA,
368 	},
369 	[3] = {
370 		.start	= DMA_ID_SD1_RX,
371 		.end	= DMA_ID_SD1_RX,
372 		.flags	= IORESOURCE_DMA,
373 	}
374 };
375 
376 static struct platform_device db1100_mmc1_dev = {
377 	.name		= "au1xxx-mmc",
378 	.id		= 1,
379 	.dev = {
380 		.dma_mask		= &au1xxx_mmc_dmamask,
381 		.coherent_dma_mask	= DMA_BIT_MASK(32),
382 		.platform_data		= &db1100_mmc_platdata[1],
383 	},
384 	.num_resources	= ARRAY_SIZE(au1100_mmc1_res),
385 	.resource	= au1100_mmc1_res,
386 };
387 
388 /******************************************************************************/
389 
db1000_irda_set_phy_mode(int mode)390 static void db1000_irda_set_phy_mode(int mode)
391 {
392 	unsigned short mask = BCSR_RESETS_IRDA_MODE_MASK | BCSR_RESETS_FIR_SEL;
393 
394 	switch (mode) {
395 	case AU1000_IRDA_PHY_MODE_OFF:
396 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_OFF);
397 		break;
398 	case AU1000_IRDA_PHY_MODE_SIR:
399 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL);
400 		break;
401 	case AU1000_IRDA_PHY_MODE_FIR:
402 		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL |
403 					    BCSR_RESETS_FIR_SEL);
404 		break;
405 	}
406 }
407 
408 static struct au1k_irda_platform_data db1000_irda_platdata = {
409 	.set_phy_mode	= db1000_irda_set_phy_mode,
410 };
411 
412 static struct resource au1000_irda_res[] = {
413 	[0] = {
414 		.start	= AU1000_IRDA_PHYS_ADDR,
415 		.end	= AU1000_IRDA_PHYS_ADDR + 0x0fff,
416 		.flags	= IORESOURCE_MEM,
417 	},
418 	[1] = {
419 		.start	= AU1000_IRDA_TX_INT,
420 		.end	= AU1000_IRDA_TX_INT,
421 		.flags	= IORESOURCE_IRQ,
422 	},
423 	[2] = {
424 		.start	= AU1000_IRDA_RX_INT,
425 		.end	= AU1000_IRDA_RX_INT,
426 		.flags	= IORESOURCE_IRQ,
427 	},
428 };
429 
430 static struct platform_device db1000_irda_dev = {
431 	.name	= "au1000-irda",
432 	.id	= -1,
433 	.dev	= {
434 		.platform_data = &db1000_irda_platdata,
435 	},
436 	.resource	= au1000_irda_res,
437 	.num_resources	= ARRAY_SIZE(au1000_irda_res),
438 };
439 
440 /******************************************************************************/
441 
442 static struct ads7846_platform_data db1100_touch_pd = {
443 	.model		= 7846,
444 	.vref_mv	= 3300,
445 	.gpio_pendown	= 21,
446 };
447 
448 static struct spi_gpio_platform_data db1100_spictl_pd = {
449 	.sck		= 209,
450 	.mosi		= 208,
451 	.miso		= 207,
452 	.num_chipselect = 1,
453 };
454 
455 static struct spi_board_info db1100_spi_info[] __initdata = {
456 	[0] = {
457 		.modalias	 = "ads7846",
458 		.max_speed_hz	 = 3250000,
459 		.bus_num	 = 0,
460 		.chip_select	 = 0,
461 		.mode		 = 0,
462 		.irq		 = AU1100_GPIO21_INT,
463 		.platform_data	 = &db1100_touch_pd,
464 		.controller_data = (void *)210, /* for spi_gpio: CS# GPIO210 */
465 	},
466 };
467 
468 static struct platform_device db1100_spi_dev = {
469 	.name		= "spi_gpio",
470 	.id		= 0,
471 	.dev		= {
472 		.platform_data	= &db1100_spictl_pd,
473 	},
474 };
475 
476 
477 static struct platform_device *db1x00_devs[] = {
478 	&db1x00_codec_dev,
479 	&alchemy_ac97c_dma_dev,
480 	&alchemy_ac97c_dev,
481 	&db1x00_audio_dev,
482 };
483 
484 static struct platform_device *db1000_devs[] = {
485 	&db1000_irda_dev,
486 };
487 
488 static struct platform_device *db1100_devs[] = {
489 	&au1100_lcd_device,
490 	&db1100_mmc0_dev,
491 	&db1100_mmc1_dev,
492 	&db1000_irda_dev,
493 };
494 
db1000_dev_setup(void)495 int __init db1000_dev_setup(void)
496 {
497 	int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
498 	int c0, c1, d0, d1, s0, s1, flashsize = 32,  twosocks = 1;
499 	unsigned long pfc;
500 	struct clk *c, *p;
501 
502 	if (board == BCSR_WHOAMI_DB1500) {
503 		c0 = AU1500_GPIO2_INT;
504 		c1 = AU1500_GPIO5_INT;
505 		d0 = AU1500_GPIO0_INT;
506 		d1 = AU1500_GPIO3_INT;
507 		s0 = AU1500_GPIO1_INT;
508 		s1 = AU1500_GPIO4_INT;
509 	} else if (board == BCSR_WHOAMI_DB1100) {
510 		c0 = AU1100_GPIO2_INT;
511 		c1 = AU1100_GPIO5_INT;
512 		d0 = AU1100_GPIO0_INT;
513 		d1 = AU1100_GPIO3_INT;
514 		s0 = AU1100_GPIO1_INT;
515 		s1 = AU1100_GPIO4_INT;
516 
517 		gpio_request(19, "sd0_cd");
518 		gpio_request(20, "sd1_cd");
519 		gpio_direction_input(19);	/* sd0 cd# */
520 		gpio_direction_input(20);	/* sd1 cd# */
521 
522 		/* spi_gpio on SSI0 pins */
523 		pfc = alchemy_rdsys(AU1000_SYS_PINFUNC);
524 		pfc |= (1 << 0);	/* SSI0 pins as GPIOs */
525 		alchemy_wrsys(pfc, AU1000_SYS_PINFUNC);
526 
527 		spi_register_board_info(db1100_spi_info,
528 					ARRAY_SIZE(db1100_spi_info));
529 
530 		/* link LCD clock to AUXPLL */
531 		p = clk_get(NULL, "auxpll_clk");
532 		c = clk_get(NULL, "lcd_intclk");
533 		if (!IS_ERR(c) && !IS_ERR(p)) {
534 			clk_set_parent(c, p);
535 			clk_set_rate(c, clk_get_rate(p));
536 		}
537 		if (!IS_ERR(c))
538 			clk_put(c);
539 		if (!IS_ERR(p))
540 			clk_put(p);
541 
542 		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
543 		platform_device_register(&db1100_spi_dev);
544 	} else if (board == BCSR_WHOAMI_DB1000) {
545 		c0 = AU1000_GPIO2_INT;
546 		c1 = AU1000_GPIO5_INT;
547 		d0 = AU1000_GPIO0_INT;
548 		d1 = AU1000_GPIO3_INT;
549 		s0 = AU1000_GPIO1_INT;
550 		s1 = AU1000_GPIO4_INT;
551 		platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));
552 	} else if ((board == BCSR_WHOAMI_PB1500) ||
553 		   (board == BCSR_WHOAMI_PB1500R2)) {
554 		c0 = AU1500_GPIO203_INT;
555 		d0 = AU1500_GPIO201_INT;
556 		s0 = AU1500_GPIO202_INT;
557 		twosocks = 0;
558 		flashsize = 64;
559 		/* RTC and daughtercard irqs */
560 		irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_LOW);
561 		irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
562 		/* EPSON S1D13806 0x1b000000
563 		 * SRAM 1MB/2MB	  0x1a000000
564 		 * DS1693 RTC	  0x0c000000
565 		 */
566 	} else if (board == BCSR_WHOAMI_PB1100) {
567 		c0 = AU1100_GPIO11_INT;
568 		d0 = AU1100_GPIO9_INT;
569 		s0 = AU1100_GPIO10_INT;
570 		twosocks = 0;
571 		flashsize = 64;
572 		/* pendown, rtc, daughtercard irqs */
573 		irq_set_irq_type(AU1100_GPIO8_INT, IRQ_TYPE_LEVEL_LOW);
574 		irq_set_irq_type(AU1100_GPIO12_INT, IRQ_TYPE_LEVEL_LOW);
575 		irq_set_irq_type(AU1100_GPIO13_INT, IRQ_TYPE_LEVEL_LOW);
576 		/* EPSON S1D13806 0x1b000000
577 		 * SRAM 1MB/2MB	  0x1a000000
578 		 * DiskOnChip	  0x0d000000
579 		 * DS1693 RTC	  0x0c000000
580 		 */
581 		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
582 	} else
583 		return 0; /* unknown board, no further dev setup to do */
584 
585 	irq_set_irq_type(d0, IRQ_TYPE_EDGE_BOTH);
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(d1, IRQ_TYPE_EDGE_BOTH);
600 		irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW);
601 		irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW);
602 
603 		db1x_register_pcmcia_socket(
604 			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
605 			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
606 			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
607 			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
608 			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
609 			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
610 			c1, d1, /*s1*/0, 0, 1);
611 	}
612 
613 	platform_add_devices(db1x00_devs, ARRAY_SIZE(db1x00_devs));
614 	db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
615 	return 0;
616 }
617