1 /*
2  * DBAu1300 init and platform device setup.
3  *
4  * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
5  */
6 
7 #include <linux/dma-mapping.h>
8 #include <linux/gpio.h>
9 #include <linux/gpio_keys.h>
10 #include <linux/init.h>
11 #include <linux/input.h>	/* KEY_* codes */
12 #include <linux/i2c.h>
13 #include <linux/io.h>
14 #include <linux/leds.h>
15 #include <linux/ata_platform.h>
16 #include <linux/mmc/host.h>
17 #include <linux/module.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/nand.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/platform_device.h>
22 #include <linux/smsc911x.h>
23 
24 #include <asm/mach-au1x00/au1000.h>
25 #include <asm/mach-au1x00/au1100_mmc.h>
26 #include <asm/mach-au1x00/au1200fb.h>
27 #include <asm/mach-au1x00/au1xxx_dbdma.h>
28 #include <asm/mach-au1x00/au1xxx_psc.h>
29 #include <asm/mach-db1x00/db1300.h>
30 #include <asm/mach-db1x00/bcsr.h>
31 #include <asm/mach-au1x00/prom.h>
32 
33 #include "platform.h"
34 
35 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
36 	{ I2C_BOARD_INFO("wm8731", 0x1b), },	/* I2S audio codec */
37 	{ I2C_BOARD_INFO("ne1619", 0x2d), },	/* adm1025-compat hwmon */
38 };
39 
40 /* multifunction pins to assign to GPIO controller */
41 static int db1300_gpio_pins[] __initdata = {
42 	AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
43 	AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
44 	AU1300_PIN_EXTCLK1,
45 	-1,	/* terminator */
46 };
47 
48 /* multifunction pins to assign to device functions */
49 static int db1300_dev_pins[] __initdata = {
50 	/* wake-from-str pins 0-3 */
51 	AU1300_PIN_WAKE0,
52 	/* external clock sources for PSC0 */
53 	AU1300_PIN_EXTCLK0,
54 	/* 8bit MMC interface on SD0: 6-9 */
55 	AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
56 	AU1300_PIN_SD0DAT7,
57 	/* UART1 pins: 11-18 */
58 	AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
59 	AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
60 	AU1300_PIN_U1RX, AU1300_PIN_U1TX,
61 	/* UART0 pins: 19-24 */
62 	AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
63 	AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
64 	/* UART2: 25-26 */
65 	AU1300_PIN_U2RX, AU1300_PIN_U2TX,
66 	/* UART3: 27-28 */
67 	AU1300_PIN_U3RX, AU1300_PIN_U3TX,
68 	/* LCD controller PWMs, ext pixclock: 30-31 */
69 	AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
70 	/* SD1 interface: 32-37 */
71 	AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
72 	AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
73 	/* SD2 interface: 38-43 */
74 	AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
75 	AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
76 	/* PSC0/1 clocks: 44-45 */
77 	AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
78 	/* PSCs: 46-49/50-53/54-57/58-61 */
79 	AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
80 	AU1300_PIN_PSC0D1,
81 	AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
82 	AU1300_PIN_PSC1D1,
83 	AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
84 	AU1300_PIN_PSC2D1,
85 	AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
86 	AU1300_PIN_PSC3D1,
87 	/* PCMCIA interface: 62-70 */
88 	AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
89 	AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
90 	AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
91 	/* camera interface H/V sync inputs: 71-72 */
92 	AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
93 	/* PSC2/3 clocks: 73-74 */
94 	AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
95 	-1,	/* terminator */
96 };
97 
98 static void __init db1300_gpio_config(void)
99 {
100 	int *i;
101 
102 	i = &db1300_dev_pins[0];
103 	while (*i != -1)
104 		au1300_pinfunc_to_dev(*i++);
105 
106 	i = &db1300_gpio_pins[0];
107 	while (*i != -1)
108 		au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
109 
110 	au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
111 }
112 
113 char *get_system_type(void)
114 {
115 	return "DB1300";
116 }
117 
118 /**********************************************************************/
119 
120 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
121 				 unsigned int ctrl)
122 {
123 	struct nand_chip *this = mtd->priv;
124 	unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
125 
126 	ioaddr &= 0xffffff00;
127 
128 	if (ctrl & NAND_CLE) {
129 		ioaddr += MEM_STNAND_CMD;
130 	} else if (ctrl & NAND_ALE) {
131 		ioaddr += MEM_STNAND_ADDR;
132 	} else {
133 		/* assume we want to r/w real data  by default */
134 		ioaddr += MEM_STNAND_DATA;
135 	}
136 	this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
137 	if (cmd != NAND_CMD_NONE) {
138 		__raw_writeb(cmd, this->IO_ADDR_W);
139 		wmb();
140 	}
141 }
142 
143 static int au1300_nand_device_ready(struct mtd_info *mtd)
144 {
145 	return __raw_readl((void __iomem *)MEM_STSTAT) & 1;
146 }
147 
148 static const char *db1300_part_probes[] = { "cmdlinepart", NULL };
149 
150 static struct mtd_partition db1300_nand_parts[] = {
151 	{
152 		.name	= "NAND FS 0",
153 		.offset	= 0,
154 		.size	= 8 * 1024 * 1024,
155 	},
156 	{
157 		.name	= "NAND FS 1",
158 		.offset	= MTDPART_OFS_APPEND,
159 		.size	= MTDPART_SIZ_FULL
160 	},
161 };
162 
163 struct platform_nand_data db1300_nand_platdata = {
164 	.chip = {
165 		.nr_chips	= 1,
166 		.chip_offset	= 0,
167 		.nr_partitions	= ARRAY_SIZE(db1300_nand_parts),
168 		.partitions	= db1300_nand_parts,
169 		.chip_delay	= 20,
170 		.part_probe_types = db1300_part_probes,
171 	},
172 	.ctrl = {
173 		.dev_ready	= au1300_nand_device_ready,
174 		.cmd_ctrl	= au1300_nand_cmd_ctrl,
175 	},
176 };
177 
178 static struct resource db1300_nand_res[] = {
179 	[0] = {
180 		.start	= DB1300_NAND_PHYS_ADDR,
181 		.end	= DB1300_NAND_PHYS_ADDR + 0xff,
182 		.flags	= IORESOURCE_MEM,
183 	},
184 };
185 
186 static struct platform_device db1300_nand_dev = {
187 	.name		= "gen_nand",
188 	.num_resources	= ARRAY_SIZE(db1300_nand_res),
189 	.resource	= db1300_nand_res,
190 	.id		= -1,
191 	.dev		= {
192 		.platform_data = &db1300_nand_platdata,
193 	}
194 };
195 
196 /**********************************************************************/
197 
198 static struct resource db1300_eth_res[] = {
199 	[0] = {
200 		.start		= DB1300_ETH_PHYS_ADDR,
201 		.end		= DB1300_ETH_PHYS_END,
202 		.flags		= IORESOURCE_MEM,
203 	},
204 	[1] = {
205 		.start		= DB1300_ETH_INT,
206 		.end		= DB1300_ETH_INT,
207 		.flags		= IORESOURCE_IRQ,
208 	},
209 };
210 
211 static struct smsc911x_platform_config db1300_eth_config = {
212 	.phy_interface		= PHY_INTERFACE_MODE_MII,
213 	.irq_polarity		= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
214 	.irq_type		= SMSC911X_IRQ_TYPE_PUSH_PULL,
215 	.flags			= SMSC911X_USE_32BIT,
216 };
217 
218 static struct platform_device db1300_eth_dev = {
219 	.name			= "smsc911x",
220 	.id			= -1,
221 	.num_resources		= ARRAY_SIZE(db1300_eth_res),
222 	.resource		= db1300_eth_res,
223 	.dev = {
224 		.platform_data	= &db1300_eth_config,
225 	},
226 };
227 
228 /**********************************************************************/
229 
230 static struct resource au1300_psc1_res[] = {
231 	[0] = {
232 		.start	= AU1300_PSC1_PHYS_ADDR,
233 		.end	= AU1300_PSC1_PHYS_ADDR + 0x0fff,
234 		.flags	= IORESOURCE_MEM,
235 	},
236 	[1] = {
237 		.start	= AU1300_PSC1_INT,
238 		.end	= AU1300_PSC1_INT,
239 		.flags	= IORESOURCE_IRQ,
240 	},
241 	[2] = {
242 		.start	= AU1300_DSCR_CMD0_PSC1_TX,
243 		.end	= AU1300_DSCR_CMD0_PSC1_TX,
244 		.flags	= IORESOURCE_DMA,
245 	},
246 	[3] = {
247 		.start	= AU1300_DSCR_CMD0_PSC1_RX,
248 		.end	= AU1300_DSCR_CMD0_PSC1_RX,
249 		.flags	= IORESOURCE_DMA,
250 	},
251 };
252 
253 static struct platform_device db1300_ac97_dev = {
254 	.name		= "au1xpsc_ac97",
255 	.id		= 1,	/* PSC ID. match with AC97 codec ID! */
256 	.num_resources	= ARRAY_SIZE(au1300_psc1_res),
257 	.resource	= au1300_psc1_res,
258 };
259 
260 /**********************************************************************/
261 
262 static struct resource au1300_psc2_res[] = {
263 	[0] = {
264 		.start	= AU1300_PSC2_PHYS_ADDR,
265 		.end	= AU1300_PSC2_PHYS_ADDR + 0x0fff,
266 		.flags	= IORESOURCE_MEM,
267 	},
268 	[1] = {
269 		.start	= AU1300_PSC2_INT,
270 		.end	= AU1300_PSC2_INT,
271 		.flags	= IORESOURCE_IRQ,
272 	},
273 	[2] = {
274 		.start	= AU1300_DSCR_CMD0_PSC2_TX,
275 		.end	= AU1300_DSCR_CMD0_PSC2_TX,
276 		.flags	= IORESOURCE_DMA,
277 	},
278 	[3] = {
279 		.start	= AU1300_DSCR_CMD0_PSC2_RX,
280 		.end	= AU1300_DSCR_CMD0_PSC2_RX,
281 		.flags	= IORESOURCE_DMA,
282 	},
283 };
284 
285 static struct platform_device db1300_i2s_dev = {
286 	.name		= "au1xpsc_i2s",
287 	.id		= 2,	/* PSC ID */
288 	.num_resources	= ARRAY_SIZE(au1300_psc2_res),
289 	.resource	= au1300_psc2_res,
290 };
291 
292 /**********************************************************************/
293 
294 static struct resource au1300_psc3_res[] = {
295 	[0] = {
296 		.start	= AU1300_PSC3_PHYS_ADDR,
297 		.end	= AU1300_PSC3_PHYS_ADDR + 0x0fff,
298 		.flags	= IORESOURCE_MEM,
299 	},
300 	[1] = {
301 		.start	= AU1300_PSC3_INT,
302 		.end	= AU1300_PSC3_INT,
303 		.flags	= IORESOURCE_IRQ,
304 	},
305 	[2] = {
306 		.start	= AU1300_DSCR_CMD0_PSC3_TX,
307 		.end	= AU1300_DSCR_CMD0_PSC3_TX,
308 		.flags	= IORESOURCE_DMA,
309 	},
310 	[3] = {
311 		.start	= AU1300_DSCR_CMD0_PSC3_RX,
312 		.end	= AU1300_DSCR_CMD0_PSC3_RX,
313 		.flags	= IORESOURCE_DMA,
314 	},
315 };
316 
317 static struct platform_device db1300_i2c_dev = {
318 	.name		= "au1xpsc_smbus",
319 	.id		= 0,	/* bus number */
320 	.num_resources	= ARRAY_SIZE(au1300_psc3_res),
321 	.resource	= au1300_psc3_res,
322 };
323 
324 /**********************************************************************/
325 
326 /* proper key assignments when facing the LCD panel.  For key assignments
327  * according to the schematics swap up with down and left with right.
328  * I chose to use it to emulate the arrow keys of a keyboard.
329  */
330 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
331 	{
332 		.code			= KEY_DOWN,
333 		.gpio			= AU1300_PIN_LCDPWM0,
334 		.type			= EV_KEY,
335 		.debounce_interval	= 1,
336 		.active_low		= 1,
337 		.desc			= "5waysw-down",
338 	},
339 	{
340 		.code			= KEY_UP,
341 		.gpio			= AU1300_PIN_PSC2SYNC1,
342 		.type			= EV_KEY,
343 		.debounce_interval	= 1,
344 		.active_low		= 1,
345 		.desc			= "5waysw-up",
346 	},
347 	{
348 		.code			= KEY_RIGHT,
349 		.gpio			= AU1300_PIN_WAKE3,
350 		.type			= EV_KEY,
351 		.debounce_interval	= 1,
352 		.active_low		= 1,
353 		.desc			= "5waysw-right",
354 	},
355 	{
356 		.code			= KEY_LEFT,
357 		.gpio			= AU1300_PIN_WAKE2,
358 		.type			= EV_KEY,
359 		.debounce_interval	= 1,
360 		.active_low		= 1,
361 		.desc			= "5waysw-left",
362 	},
363 	{
364 		.code			= KEY_ENTER,
365 		.gpio			= AU1300_PIN_WAKE1,
366 		.type			= EV_KEY,
367 		.debounce_interval	= 1,
368 		.active_low		= 1,
369 		.desc			= "5waysw-push",
370 	},
371 };
372 
373 static struct gpio_keys_platform_data db1300_5waysw_data = {
374 	.buttons	= db1300_5waysw_arrowkeys,
375 	.nbuttons	= ARRAY_SIZE(db1300_5waysw_arrowkeys),
376 	.rep		= 1,
377 	.name		= "db1300-5wayswitch",
378 };
379 
380 static struct platform_device db1300_5waysw_dev = {
381 	.name		= "gpio-keys",
382 	.dev	= {
383 		.platform_data	= &db1300_5waysw_data,
384 	},
385 };
386 
387 /**********************************************************************/
388 
389 static struct pata_platform_info db1300_ide_info = {
390 	.ioport_shift	= DB1300_IDE_REG_SHIFT,
391 };
392 
393 #define IDE_ALT_START	(14 << DB1300_IDE_REG_SHIFT)
394 static struct resource db1300_ide_res[] = {
395 	[0] = {
396 		.start	= DB1300_IDE_PHYS_ADDR,
397 		.end	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
398 		.flags	= IORESOURCE_MEM,
399 	},
400 	[1] = {
401 		.start	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
402 		.end	= DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
403 		.flags	= IORESOURCE_MEM,
404 	},
405 	[2] = {
406 		.start	= DB1300_IDE_INT,
407 		.end	= DB1300_IDE_INT,
408 		.flags	= IORESOURCE_IRQ,
409 	},
410 };
411 
412 static struct platform_device db1300_ide_dev = {
413 	.dev	= {
414 		.platform_data	= &db1300_ide_info,
415 	},
416 	.name		= "pata_platform",
417 	.resource	= db1300_ide_res,
418 	.num_resources	= ARRAY_SIZE(db1300_ide_res),
419 };
420 
421 /**********************************************************************/
422 
423 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
424 {
425 	void(*mmc_cd)(struct mmc_host *, unsigned long);
426 
427 	/* disable the one currently screaming. No other way to shut it up */
428 	if (irq == DB1300_SD1_INSERT_INT) {
429 		disable_irq_nosync(DB1300_SD1_INSERT_INT);
430 		enable_irq(DB1300_SD1_EJECT_INT);
431 	} else {
432 		disable_irq_nosync(DB1300_SD1_EJECT_INT);
433 		enable_irq(DB1300_SD1_INSERT_INT);
434 	}
435 
436 	/* link against CONFIG_MMC=m.  We can only be called once MMC core has
437 	 * initialized the controller, so symbol_get() should always succeed.
438 	 */
439 	mmc_cd = symbol_get(mmc_detect_change);
440 	mmc_cd(ptr, msecs_to_jiffies(500));
441 	symbol_put(mmc_detect_change);
442 
443 	return IRQ_HANDLED;
444 }
445 
446 static int db1300_mmc_card_readonly(void *mmc_host)
447 {
448 	/* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
449 	return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
450 }
451 
452 static int db1300_mmc_card_inserted(void *mmc_host)
453 {
454 	return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
455 }
456 
457 static int db1300_mmc_cd_setup(void *mmc_host, int en)
458 {
459 	int ret;
460 
461 	if (en) {
462 		ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
463 				  "sd_insert", mmc_host);
464 		if (ret)
465 			goto out;
466 
467 		ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
468 				  "sd_eject", mmc_host);
469 		if (ret) {
470 			free_irq(DB1300_SD1_INSERT_INT, mmc_host);
471 			goto out;
472 		}
473 
474 		if (db1300_mmc_card_inserted(mmc_host))
475 			enable_irq(DB1300_SD1_EJECT_INT);
476 		else
477 			enable_irq(DB1300_SD1_INSERT_INT);
478 
479 	} else {
480 		free_irq(DB1300_SD1_INSERT_INT, mmc_host);
481 		free_irq(DB1300_SD1_EJECT_INT, mmc_host);
482 	}
483 	ret = 0;
484 out:
485 	return ret;
486 }
487 
488 static void db1300_mmcled_set(struct led_classdev *led,
489 			      enum led_brightness brightness)
490 {
491 	if (brightness != LED_OFF)
492 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
493 	else
494 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
495 }
496 
497 static struct led_classdev db1300_mmc_led = {
498 	.brightness_set	= db1300_mmcled_set,
499 };
500 
501 struct au1xmmc_platform_data db1300_sd1_platdata = {
502 	.cd_setup	= db1300_mmc_cd_setup,
503 	.card_inserted	= db1300_mmc_card_inserted,
504 	.card_readonly	= db1300_mmc_card_readonly,
505 	.led		= &db1300_mmc_led,
506 };
507 
508 static struct resource au1300_sd1_res[] = {
509 	[0] = {
510 		.start	= AU1300_SD1_PHYS_ADDR,
511 		.end	= AU1300_SD1_PHYS_ADDR,
512 		.flags	= IORESOURCE_MEM,
513 	},
514 	[1] = {
515 		.start	= AU1300_SD1_INT,
516 		.end	= AU1300_SD1_INT,
517 		.flags	= IORESOURCE_IRQ,
518 	},
519 	[2] = {
520 		.start	= AU1300_DSCR_CMD0_SDMS_TX1,
521 		.end	= AU1300_DSCR_CMD0_SDMS_TX1,
522 		.flags	= IORESOURCE_DMA,
523 	},
524 	[3] = {
525 		.start	= AU1300_DSCR_CMD0_SDMS_RX1,
526 		.end	= AU1300_DSCR_CMD0_SDMS_RX1,
527 		.flags	= IORESOURCE_DMA,
528 	},
529 };
530 
531 static struct platform_device db1300_sd1_dev = {
532 	.dev = {
533 		.platform_data	= &db1300_sd1_platdata,
534 	},
535 	.name		= "au1xxx-mmc",
536 	.id		= 1,
537 	.resource	= au1300_sd1_res,
538 	.num_resources	= ARRAY_SIZE(au1300_sd1_res),
539 };
540 
541 /**********************************************************************/
542 
543 static int db1300_movinand_inserted(void *mmc_host)
544 {
545 	return 0; /* disable for now, it doesn't work yet */
546 }
547 
548 static int db1300_movinand_readonly(void *mmc_host)
549 {
550 	return 0;
551 }
552 
553 static void db1300_movinand_led_set(struct led_classdev *led,
554 				    enum led_brightness brightness)
555 {
556 	if (brightness != LED_OFF)
557 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
558 	else
559 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
560 }
561 
562 static struct led_classdev db1300_movinand_led = {
563 	.brightness_set		= db1300_movinand_led_set,
564 };
565 
566 struct au1xmmc_platform_data db1300_sd0_platdata = {
567 	.card_inserted		= db1300_movinand_inserted,
568 	.card_readonly		= db1300_movinand_readonly,
569 	.led			= &db1300_movinand_led,
570 	.mask_host_caps		= MMC_CAP_NEEDS_POLL,
571 };
572 
573 static struct resource au1300_sd0_res[] = {
574 	[0] = {
575 		.start	= AU1100_SD0_PHYS_ADDR,
576 		.end	= AU1100_SD0_PHYS_ADDR,
577 		.flags	= IORESOURCE_MEM,
578 	},
579 	[1] = {
580 		.start	= AU1300_SD0_INT,
581 		.end	= AU1300_SD0_INT,
582 		.flags	= IORESOURCE_IRQ,
583 	},
584 	[2] = {
585 		.start	= AU1300_DSCR_CMD0_SDMS_TX0,
586 		.end	= AU1300_DSCR_CMD0_SDMS_TX0,
587 		.flags	= IORESOURCE_DMA,
588 	},
589 	[3] = {
590 		.start	= AU1300_DSCR_CMD0_SDMS_RX0,
591 		.end	= AU1300_DSCR_CMD0_SDMS_RX0,
592 		.flags	= IORESOURCE_DMA,
593 	},
594 };
595 
596 static struct platform_device db1300_sd0_dev = {
597 	.dev = {
598 		.platform_data	= &db1300_sd0_platdata,
599 	},
600 	.name		= "au1xxx-mmc",
601 	.id		= 0,
602 	.resource	= au1300_sd0_res,
603 	.num_resources	= ARRAY_SIZE(au1300_sd0_res),
604 };
605 
606 /**********************************************************************/
607 
608 static struct platform_device db1300_wm9715_dev = {
609 	.name		= "wm9712-codec",
610 	.id		= 1,	/* ID of PSC for AC97 audio, see asoc glue! */
611 };
612 
613 static struct platform_device db1300_ac97dma_dev = {
614 	.name		= "au1xpsc-pcm",
615 	.id		= 1,	/* PSC ID */
616 };
617 
618 static struct platform_device db1300_i2sdma_dev = {
619 	.name		= "au1xpsc-pcm",
620 	.id		= 2,	/* PSC ID */
621 };
622 
623 static struct platform_device db1300_sndac97_dev = {
624 	.name		= "db1300-ac97",
625 };
626 
627 static struct platform_device db1300_sndi2s_dev = {
628 	.name		= "db1300-i2s",
629 };
630 
631 /**********************************************************************/
632 
633 static int db1300fb_panel_index(void)
634 {
635 	return 9;	/* DB1300_800x480 */
636 }
637 
638 static int db1300fb_panel_init(void)
639 {
640 	/* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
641 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
642 			     BCSR_BOARD_LCDBL);
643 	return 0;
644 }
645 
646 static int db1300fb_panel_shutdown(void)
647 {
648 	/* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
649 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
650 			     BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
651 	return 0;
652 }
653 
654 static struct au1200fb_platdata db1300fb_pd = {
655 	.panel_index	= db1300fb_panel_index,
656 	.panel_init	= db1300fb_panel_init,
657 	.panel_shutdown	= db1300fb_panel_shutdown,
658 };
659 
660 static struct resource au1300_lcd_res[] = {
661 	[0] = {
662 		.start	= AU1200_LCD_PHYS_ADDR,
663 		.end	= AU1200_LCD_PHYS_ADDR + 0x800 - 1,
664 		.flags	= IORESOURCE_MEM,
665 	},
666 	[1] = {
667 		.start	= AU1300_LCD_INT,
668 		.end	= AU1300_LCD_INT,
669 		.flags	= IORESOURCE_IRQ,
670 	}
671 };
672 
673 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
674 
675 static struct platform_device db1300_lcd_dev = {
676 	.name		= "au1200-lcd",
677 	.id		= 0,
678 	.dev = {
679 		.dma_mask		= &au1300_lcd_dmamask,
680 		.coherent_dma_mask	= DMA_BIT_MASK(32),
681 		.platform_data		= &db1300fb_pd,
682 	},
683 	.num_resources	= ARRAY_SIZE(au1300_lcd_res),
684 	.resource	= au1300_lcd_res,
685 };
686 
687 /**********************************************************************/
688 
689 static struct platform_device *db1300_dev[] __initdata = {
690 	&db1300_eth_dev,
691 	&db1300_i2c_dev,
692 	&db1300_5waysw_dev,
693 	&db1300_nand_dev,
694 	&db1300_ide_dev,
695 	&db1300_sd0_dev,
696 	&db1300_sd1_dev,
697 	&db1300_lcd_dev,
698 	&db1300_ac97_dev,
699 	&db1300_i2s_dev,
700 	&db1300_wm9715_dev,
701 	&db1300_ac97dma_dev,
702 	&db1300_i2sdma_dev,
703 	&db1300_sndac97_dev,
704 	&db1300_sndi2s_dev,
705 };
706 
707 static int __init db1300_device_init(void)
708 {
709 	int swapped, cpldirq;
710 
711 	/* setup CPLD IRQ muxer */
712 	cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
713 	irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
714 	bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
715 
716 	/* insert/eject IRQs: one always triggers so don't enable them
717 	 * when doing request_irq() on them.  DB1200 has this bug too.
718 	 */
719 	irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
720 	irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
721 	irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
722 	irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
723 
724 	/*
725 	 * setup board
726 	 */
727 	prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
728 
729 	i2c_register_board_info(0, db1300_i2c_devs,
730 				ARRAY_SIZE(db1300_i2c_devs));
731 
732 	/* Audio PSC clock is supplied by codecs (PSC1, 2) */
733 	__raw_writel(PSC_SEL_CLK_SERCLK,
734 	    (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
735 	wmb();
736 	__raw_writel(PSC_SEL_CLK_SERCLK,
737 	    (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
738 	wmb();
739 	/* I2C uses internal 48MHz EXTCLK1 */
740 	__raw_writel(PSC_SEL_CLK_INTCLK,
741 	    (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
742 	wmb();
743 
744 	/* enable power to USB ports */
745 	bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
746 
747 	/* although it is socket #0, it uses the CPLD bits which previous boards
748 	 * have used for socket #1.
749 	 */
750 	db1x_register_pcmcia_socket(
751 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
752 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
753 		AU1000_PCMCIA_MEM_PHYS_ADDR,
754 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
755 		AU1000_PCMCIA_IO_PHYS_ADDR,
756 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
757 		DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
758 
759 	swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
760 	db1x_register_norflash(64 << 20, 2, swapped);
761 
762 	return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
763 }
764 device_initcall(db1300_device_init);
765 
766 
767 void __init board_setup(void)
768 {
769 	unsigned short whoami;
770 
771 	db1300_gpio_config();
772 	bcsr_init(DB1300_BCSR_PHYS_ADDR,
773 		  DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
774 
775 	whoami = bcsr_read(BCSR_WHOAMI);
776 	printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
777 		"BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
778 		BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
779 		BCSR_WHOAMI_DCID(whoami));
780 
781 	/* enable UARTs, YAMON only enables #2 */
782 	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
783 	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
784 	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
785 }
786