1 /*
2  * DBAu1300 init and platform device setup.
3  *
4  * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
5  */
6 
7 #include <linux/clk.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/gpio.h>
10 #include <linux/gpio_keys.h>
11 #include <linux/init.h>
12 #include <linux/input.h>	/* KEY_* codes */
13 #include <linux/i2c.h>
14 #include <linux/io.h>
15 #include <linux/leds.h>
16 #include <linux/ata_platform.h>
17 #include <linux/mmc/host.h>
18 #include <linux/module.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/nand.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/platform_device.h>
23 #include <linux/smsc911x.h>
24 #include <linux/wm97xx.h>
25 
26 #include <asm/mach-au1x00/au1000.h>
27 #include <asm/mach-au1x00/au1100_mmc.h>
28 #include <asm/mach-au1x00/au1200fb.h>
29 #include <asm/mach-au1x00/au1xxx_dbdma.h>
30 #include <asm/mach-au1x00/au1xxx_psc.h>
31 #include <asm/mach-db1x00/bcsr.h>
32 #include <asm/mach-au1x00/prom.h>
33 
34 #include "platform.h"
35 
36 /* FPGA (external mux) interrupt sources */
37 #define DB1300_FIRST_INT	(ALCHEMY_GPIC_INT_LAST + 1)
38 #define DB1300_IDE_INT		(DB1300_FIRST_INT + 0)
39 #define DB1300_ETH_INT		(DB1300_FIRST_INT + 1)
40 #define DB1300_CF_INT		(DB1300_FIRST_INT + 2)
41 #define DB1300_VIDEO_INT	(DB1300_FIRST_INT + 4)
42 #define DB1300_HDMI_INT		(DB1300_FIRST_INT + 5)
43 #define DB1300_DC_INT		(DB1300_FIRST_INT + 6)
44 #define DB1300_FLASH_INT	(DB1300_FIRST_INT + 7)
45 #define DB1300_CF_INSERT_INT	(DB1300_FIRST_INT + 8)
46 #define DB1300_CF_EJECT_INT	(DB1300_FIRST_INT + 9)
47 #define DB1300_AC97_INT		(DB1300_FIRST_INT + 10)
48 #define DB1300_AC97_PEN_INT	(DB1300_FIRST_INT + 11)
49 #define DB1300_SD1_INSERT_INT	(DB1300_FIRST_INT + 12)
50 #define DB1300_SD1_EJECT_INT	(DB1300_FIRST_INT + 13)
51 #define DB1300_OTG_VBUS_OC_INT	(DB1300_FIRST_INT + 14)
52 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
53 #define DB1300_LAST_INT		(DB1300_FIRST_INT + 15)
54 
55 /* SMSC9210 CS */
56 #define DB1300_ETH_PHYS_ADDR	0x19000000
57 #define DB1300_ETH_PHYS_END	0x197fffff
58 
59 /* ATA CS */
60 #define DB1300_IDE_PHYS_ADDR	0x18800000
61 #define DB1300_IDE_REG_SHIFT	5
62 #define DB1300_IDE_PHYS_LEN	(16 << DB1300_IDE_REG_SHIFT)
63 
64 /* NAND CS */
65 #define DB1300_NAND_PHYS_ADDR	0x20000000
66 #define DB1300_NAND_PHYS_END	0x20000fff
67 
68 
69 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
70 	{ I2C_BOARD_INFO("wm8731", 0x1b), },	/* I2S audio codec */
71 	{ I2C_BOARD_INFO("ne1619", 0x2d), },	/* adm1025-compat hwmon */
72 };
73 
74 /* multifunction pins to assign to GPIO controller */
75 static int db1300_gpio_pins[] __initdata = {
76 	AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
77 	AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
78 	AU1300_PIN_EXTCLK1,
79 	-1,	/* terminator */
80 };
81 
82 /* multifunction pins to assign to device functions */
83 static int db1300_dev_pins[] __initdata = {
84 	/* wake-from-str pins 0-3 */
85 	AU1300_PIN_WAKE0,
86 	/* external clock sources for PSC0 */
87 	AU1300_PIN_EXTCLK0,
88 	/* 8bit MMC interface on SD0: 6-9 */
89 	AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
90 	AU1300_PIN_SD0DAT7,
91 	/* UART1 pins: 11-18 */
92 	AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
93 	AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
94 	AU1300_PIN_U1RX, AU1300_PIN_U1TX,
95 	/* UART0 pins: 19-24 */
96 	AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
97 	AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
98 	/* UART2: 25-26 */
99 	AU1300_PIN_U2RX, AU1300_PIN_U2TX,
100 	/* UART3: 27-28 */
101 	AU1300_PIN_U3RX, AU1300_PIN_U3TX,
102 	/* LCD controller PWMs, ext pixclock: 30-31 */
103 	AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
104 	/* SD1 interface: 32-37 */
105 	AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
106 	AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
107 	/* SD2 interface: 38-43 */
108 	AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
109 	AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
110 	/* PSC0/1 clocks: 44-45 */
111 	AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
112 	/* PSCs: 46-49/50-53/54-57/58-61 */
113 	AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
114 	AU1300_PIN_PSC0D1,
115 	AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
116 	AU1300_PIN_PSC1D1,
117 	AU1300_PIN_PSC2SYNC0,			    AU1300_PIN_PSC2D0,
118 	AU1300_PIN_PSC2D1,
119 	AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
120 	AU1300_PIN_PSC3D1,
121 	/* PCMCIA interface: 62-70 */
122 	AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
123 	AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
124 	AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
125 	/* camera interface H/V sync inputs: 71-72 */
126 	AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
127 	/* PSC2/3 clocks: 73-74 */
128 	AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
129 	-1,	/* terminator */
130 };
131 
132 static void __init db1300_gpio_config(void)
133 {
134 	int *i;
135 
136 	i = &db1300_dev_pins[0];
137 	while (*i != -1)
138 		au1300_pinfunc_to_dev(*i++);
139 
140 	i = &db1300_gpio_pins[0];
141 	while (*i != -1)
142 		au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
143 
144 	au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
145 }
146 
147 /**********************************************************************/
148 
149 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
150 				 unsigned int ctrl)
151 {
152 	struct nand_chip *this = mtd->priv;
153 	unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
154 
155 	ioaddr &= 0xffffff00;
156 
157 	if (ctrl & NAND_CLE) {
158 		ioaddr += MEM_STNAND_CMD;
159 	} else if (ctrl & NAND_ALE) {
160 		ioaddr += MEM_STNAND_ADDR;
161 	} else {
162 		/* assume we want to r/w real data  by default */
163 		ioaddr += MEM_STNAND_DATA;
164 	}
165 	this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
166 	if (cmd != NAND_CMD_NONE) {
167 		__raw_writeb(cmd, this->IO_ADDR_W);
168 		wmb();
169 	}
170 }
171 
172 static int au1300_nand_device_ready(struct mtd_info *mtd)
173 {
174 	return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
175 }
176 
177 static struct mtd_partition db1300_nand_parts[] = {
178 	{
179 		.name	= "NAND FS 0",
180 		.offset = 0,
181 		.size	= 8 * 1024 * 1024,
182 	},
183 	{
184 		.name	= "NAND FS 1",
185 		.offset = MTDPART_OFS_APPEND,
186 		.size	= MTDPART_SIZ_FULL
187 	},
188 };
189 
190 struct platform_nand_data db1300_nand_platdata = {
191 	.chip = {
192 		.nr_chips	= 1,
193 		.chip_offset	= 0,
194 		.nr_partitions	= ARRAY_SIZE(db1300_nand_parts),
195 		.partitions	= db1300_nand_parts,
196 		.chip_delay	= 20,
197 	},
198 	.ctrl = {
199 		.dev_ready	= au1300_nand_device_ready,
200 		.cmd_ctrl	= au1300_nand_cmd_ctrl,
201 	},
202 };
203 
204 static struct resource db1300_nand_res[] = {
205 	[0] = {
206 		.start	= DB1300_NAND_PHYS_ADDR,
207 		.end	= DB1300_NAND_PHYS_ADDR + 0xff,
208 		.flags	= IORESOURCE_MEM,
209 	},
210 };
211 
212 static struct platform_device db1300_nand_dev = {
213 	.name		= "gen_nand",
214 	.num_resources	= ARRAY_SIZE(db1300_nand_res),
215 	.resource	= db1300_nand_res,
216 	.id		= -1,
217 	.dev		= {
218 		.platform_data = &db1300_nand_platdata,
219 	}
220 };
221 
222 /**********************************************************************/
223 
224 static struct resource db1300_eth_res[] = {
225 	[0] = {
226 		.start		= DB1300_ETH_PHYS_ADDR,
227 		.end		= DB1300_ETH_PHYS_END,
228 		.flags		= IORESOURCE_MEM,
229 	},
230 	[1] = {
231 		.start		= DB1300_ETH_INT,
232 		.end		= DB1300_ETH_INT,
233 		.flags		= IORESOURCE_IRQ,
234 	},
235 };
236 
237 static struct smsc911x_platform_config db1300_eth_config = {
238 	.phy_interface		= PHY_INTERFACE_MODE_MII,
239 	.irq_polarity		= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
240 	.irq_type		= SMSC911X_IRQ_TYPE_PUSH_PULL,
241 	.flags			= SMSC911X_USE_32BIT,
242 };
243 
244 static struct platform_device db1300_eth_dev = {
245 	.name			= "smsc911x",
246 	.id			= -1,
247 	.num_resources		= ARRAY_SIZE(db1300_eth_res),
248 	.resource		= db1300_eth_res,
249 	.dev = {
250 		.platform_data	= &db1300_eth_config,
251 	},
252 };
253 
254 /**********************************************************************/
255 
256 static struct resource au1300_psc1_res[] = {
257 	[0] = {
258 		.start	= AU1300_PSC1_PHYS_ADDR,
259 		.end	= AU1300_PSC1_PHYS_ADDR + 0x0fff,
260 		.flags	= IORESOURCE_MEM,
261 	},
262 	[1] = {
263 		.start	= AU1300_PSC1_INT,
264 		.end	= AU1300_PSC1_INT,
265 		.flags	= IORESOURCE_IRQ,
266 	},
267 	[2] = {
268 		.start	= AU1300_DSCR_CMD0_PSC1_TX,
269 		.end	= AU1300_DSCR_CMD0_PSC1_TX,
270 		.flags	= IORESOURCE_DMA,
271 	},
272 	[3] = {
273 		.start	= AU1300_DSCR_CMD0_PSC1_RX,
274 		.end	= AU1300_DSCR_CMD0_PSC1_RX,
275 		.flags	= IORESOURCE_DMA,
276 	},
277 };
278 
279 static struct platform_device db1300_ac97_dev = {
280 	.name		= "au1xpsc_ac97",
281 	.id		= 1,	/* PSC ID. match with AC97 codec ID! */
282 	.num_resources	= ARRAY_SIZE(au1300_psc1_res),
283 	.resource	= au1300_psc1_res,
284 };
285 
286 /**********************************************************************/
287 
288 static struct resource au1300_psc2_res[] = {
289 	[0] = {
290 		.start	= AU1300_PSC2_PHYS_ADDR,
291 		.end	= AU1300_PSC2_PHYS_ADDR + 0x0fff,
292 		.flags	= IORESOURCE_MEM,
293 	},
294 	[1] = {
295 		.start	= AU1300_PSC2_INT,
296 		.end	= AU1300_PSC2_INT,
297 		.flags	= IORESOURCE_IRQ,
298 	},
299 	[2] = {
300 		.start	= AU1300_DSCR_CMD0_PSC2_TX,
301 		.end	= AU1300_DSCR_CMD0_PSC2_TX,
302 		.flags	= IORESOURCE_DMA,
303 	},
304 	[3] = {
305 		.start	= AU1300_DSCR_CMD0_PSC2_RX,
306 		.end	= AU1300_DSCR_CMD0_PSC2_RX,
307 		.flags	= IORESOURCE_DMA,
308 	},
309 };
310 
311 static struct platform_device db1300_i2s_dev = {
312 	.name		= "au1xpsc_i2s",
313 	.id		= 2,	/* PSC ID */
314 	.num_resources	= ARRAY_SIZE(au1300_psc2_res),
315 	.resource	= au1300_psc2_res,
316 };
317 
318 /**********************************************************************/
319 
320 static struct resource au1300_psc3_res[] = {
321 	[0] = {
322 		.start	= AU1300_PSC3_PHYS_ADDR,
323 		.end	= AU1300_PSC3_PHYS_ADDR + 0x0fff,
324 		.flags	= IORESOURCE_MEM,
325 	},
326 	[1] = {
327 		.start	= AU1300_PSC3_INT,
328 		.end	= AU1300_PSC3_INT,
329 		.flags	= IORESOURCE_IRQ,
330 	},
331 	[2] = {
332 		.start	= AU1300_DSCR_CMD0_PSC3_TX,
333 		.end	= AU1300_DSCR_CMD0_PSC3_TX,
334 		.flags	= IORESOURCE_DMA,
335 	},
336 	[3] = {
337 		.start	= AU1300_DSCR_CMD0_PSC3_RX,
338 		.end	= AU1300_DSCR_CMD0_PSC3_RX,
339 		.flags	= IORESOURCE_DMA,
340 	},
341 };
342 
343 static struct platform_device db1300_i2c_dev = {
344 	.name		= "au1xpsc_smbus",
345 	.id		= 0,	/* bus number */
346 	.num_resources	= ARRAY_SIZE(au1300_psc3_res),
347 	.resource	= au1300_psc3_res,
348 };
349 
350 /**********************************************************************/
351 
352 /* proper key assignments when facing the LCD panel.  For key assignments
353  * according to the schematics swap up with down and left with right.
354  * I chose to use it to emulate the arrow keys of a keyboard.
355  */
356 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
357 	{
358 		.code			= KEY_DOWN,
359 		.gpio			= AU1300_PIN_LCDPWM0,
360 		.type			= EV_KEY,
361 		.debounce_interval	= 1,
362 		.active_low		= 1,
363 		.desc			= "5waysw-down",
364 	},
365 	{
366 		.code			= KEY_UP,
367 		.gpio			= AU1300_PIN_PSC2SYNC1,
368 		.type			= EV_KEY,
369 		.debounce_interval	= 1,
370 		.active_low		= 1,
371 		.desc			= "5waysw-up",
372 	},
373 	{
374 		.code			= KEY_RIGHT,
375 		.gpio			= AU1300_PIN_WAKE3,
376 		.type			= EV_KEY,
377 		.debounce_interval	= 1,
378 		.active_low		= 1,
379 		.desc			= "5waysw-right",
380 	},
381 	{
382 		.code			= KEY_LEFT,
383 		.gpio			= AU1300_PIN_WAKE2,
384 		.type			= EV_KEY,
385 		.debounce_interval	= 1,
386 		.active_low		= 1,
387 		.desc			= "5waysw-left",
388 	},
389 	{
390 		.code			= KEY_ENTER,
391 		.gpio			= AU1300_PIN_WAKE1,
392 		.type			= EV_KEY,
393 		.debounce_interval	= 1,
394 		.active_low		= 1,
395 		.desc			= "5waysw-push",
396 	},
397 };
398 
399 static struct gpio_keys_platform_data db1300_5waysw_data = {
400 	.buttons	= db1300_5waysw_arrowkeys,
401 	.nbuttons	= ARRAY_SIZE(db1300_5waysw_arrowkeys),
402 	.rep		= 1,
403 	.name		= "db1300-5wayswitch",
404 };
405 
406 static struct platform_device db1300_5waysw_dev = {
407 	.name		= "gpio-keys",
408 	.dev	= {
409 		.platform_data	= &db1300_5waysw_data,
410 	},
411 };
412 
413 /**********************************************************************/
414 
415 static struct pata_platform_info db1300_ide_info = {
416 	.ioport_shift	= DB1300_IDE_REG_SHIFT,
417 };
418 
419 #define IDE_ALT_START	(14 << DB1300_IDE_REG_SHIFT)
420 static struct resource db1300_ide_res[] = {
421 	[0] = {
422 		.start	= DB1300_IDE_PHYS_ADDR,
423 		.end	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
424 		.flags	= IORESOURCE_MEM,
425 	},
426 	[1] = {
427 		.start	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
428 		.end	= DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
429 		.flags	= IORESOURCE_MEM,
430 	},
431 	[2] = {
432 		.start	= DB1300_IDE_INT,
433 		.end	= DB1300_IDE_INT,
434 		.flags	= IORESOURCE_IRQ,
435 	},
436 };
437 
438 static struct platform_device db1300_ide_dev = {
439 	.dev	= {
440 		.platform_data	= &db1300_ide_info,
441 	},
442 	.name		= "pata_platform",
443 	.resource	= db1300_ide_res,
444 	.num_resources	= ARRAY_SIZE(db1300_ide_res),
445 };
446 
447 /**********************************************************************/
448 
449 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
450 {
451 	void(*mmc_cd)(struct mmc_host *, unsigned long);
452 
453 	/* disable the one currently screaming. No other way to shut it up */
454 	if (irq == DB1300_SD1_INSERT_INT) {
455 		disable_irq_nosync(DB1300_SD1_INSERT_INT);
456 		enable_irq(DB1300_SD1_EJECT_INT);
457 	} else {
458 		disable_irq_nosync(DB1300_SD1_EJECT_INT);
459 		enable_irq(DB1300_SD1_INSERT_INT);
460 	}
461 
462 	/* link against CONFIG_MMC=m.  We can only be called once MMC core has
463 	 * initialized the controller, so symbol_get() should always succeed.
464 	 */
465 	mmc_cd = symbol_get(mmc_detect_change);
466 	mmc_cd(ptr, msecs_to_jiffies(500));
467 	symbol_put(mmc_detect_change);
468 
469 	return IRQ_HANDLED;
470 }
471 
472 static int db1300_mmc_card_readonly(void *mmc_host)
473 {
474 	/* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
475 	return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
476 }
477 
478 static int db1300_mmc_card_inserted(void *mmc_host)
479 {
480 	return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
481 }
482 
483 static int db1300_mmc_cd_setup(void *mmc_host, int en)
484 {
485 	int ret;
486 
487 	if (en) {
488 		ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
489 				  "sd_insert", mmc_host);
490 		if (ret)
491 			goto out;
492 
493 		ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
494 				  "sd_eject", mmc_host);
495 		if (ret) {
496 			free_irq(DB1300_SD1_INSERT_INT, mmc_host);
497 			goto out;
498 		}
499 
500 		if (db1300_mmc_card_inserted(mmc_host))
501 			enable_irq(DB1300_SD1_EJECT_INT);
502 		else
503 			enable_irq(DB1300_SD1_INSERT_INT);
504 
505 	} else {
506 		free_irq(DB1300_SD1_INSERT_INT, mmc_host);
507 		free_irq(DB1300_SD1_EJECT_INT, mmc_host);
508 	}
509 	ret = 0;
510 out:
511 	return ret;
512 }
513 
514 static void db1300_mmcled_set(struct led_classdev *led,
515 			      enum led_brightness brightness)
516 {
517 	if (brightness != LED_OFF)
518 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
519 	else
520 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
521 }
522 
523 static struct led_classdev db1300_mmc_led = {
524 	.brightness_set = db1300_mmcled_set,
525 };
526 
527 struct au1xmmc_platform_data db1300_sd1_platdata = {
528 	.cd_setup	= db1300_mmc_cd_setup,
529 	.card_inserted	= db1300_mmc_card_inserted,
530 	.card_readonly	= db1300_mmc_card_readonly,
531 	.led		= &db1300_mmc_led,
532 };
533 
534 static struct resource au1300_sd1_res[] = {
535 	[0] = {
536 		.start	= AU1300_SD1_PHYS_ADDR,
537 		.end	= AU1300_SD1_PHYS_ADDR,
538 		.flags	= IORESOURCE_MEM,
539 	},
540 	[1] = {
541 		.start	= AU1300_SD1_INT,
542 		.end	= AU1300_SD1_INT,
543 		.flags	= IORESOURCE_IRQ,
544 	},
545 	[2] = {
546 		.start	= AU1300_DSCR_CMD0_SDMS_TX1,
547 		.end	= AU1300_DSCR_CMD0_SDMS_TX1,
548 		.flags	= IORESOURCE_DMA,
549 	},
550 	[3] = {
551 		.start	= AU1300_DSCR_CMD0_SDMS_RX1,
552 		.end	= AU1300_DSCR_CMD0_SDMS_RX1,
553 		.flags	= IORESOURCE_DMA,
554 	},
555 };
556 
557 static struct platform_device db1300_sd1_dev = {
558 	.dev = {
559 		.platform_data	= &db1300_sd1_platdata,
560 	},
561 	.name		= "au1xxx-mmc",
562 	.id		= 1,
563 	.resource	= au1300_sd1_res,
564 	.num_resources	= ARRAY_SIZE(au1300_sd1_res),
565 };
566 
567 /**********************************************************************/
568 
569 static int db1300_movinand_inserted(void *mmc_host)
570 {
571 	return 0; /* disable for now, it doesn't work yet */
572 }
573 
574 static int db1300_movinand_readonly(void *mmc_host)
575 {
576 	return 0;
577 }
578 
579 static void db1300_movinand_led_set(struct led_classdev *led,
580 				    enum led_brightness brightness)
581 {
582 	if (brightness != LED_OFF)
583 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
584 	else
585 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
586 }
587 
588 static struct led_classdev db1300_movinand_led = {
589 	.brightness_set		= db1300_movinand_led_set,
590 };
591 
592 struct au1xmmc_platform_data db1300_sd0_platdata = {
593 	.card_inserted		= db1300_movinand_inserted,
594 	.card_readonly		= db1300_movinand_readonly,
595 	.led			= &db1300_movinand_led,
596 	.mask_host_caps		= MMC_CAP_NEEDS_POLL,
597 };
598 
599 static struct resource au1300_sd0_res[] = {
600 	[0] = {
601 		.start	= AU1100_SD0_PHYS_ADDR,
602 		.end	= AU1100_SD0_PHYS_ADDR,
603 		.flags	= IORESOURCE_MEM,
604 	},
605 	[1] = {
606 		.start	= AU1300_SD0_INT,
607 		.end	= AU1300_SD0_INT,
608 		.flags	= IORESOURCE_IRQ,
609 	},
610 	[2] = {
611 		.start	= AU1300_DSCR_CMD0_SDMS_TX0,
612 		.end	= AU1300_DSCR_CMD0_SDMS_TX0,
613 		.flags	= IORESOURCE_DMA,
614 	},
615 	[3] = {
616 		.start	= AU1300_DSCR_CMD0_SDMS_RX0,
617 		.end	= AU1300_DSCR_CMD0_SDMS_RX0,
618 		.flags	= IORESOURCE_DMA,
619 	},
620 };
621 
622 static struct platform_device db1300_sd0_dev = {
623 	.dev = {
624 		.platform_data	= &db1300_sd0_platdata,
625 	},
626 	.name		= "au1xxx-mmc",
627 	.id		= 0,
628 	.resource	= au1300_sd0_res,
629 	.num_resources	= ARRAY_SIZE(au1300_sd0_res),
630 };
631 
632 /**********************************************************************/
633 
634 static struct platform_device db1300_wm9715_dev = {
635 	.name		= "wm9712-codec",
636 	.id		= 1,	/* ID of PSC for AC97 audio, see asoc glue! */
637 };
638 
639 static struct platform_device db1300_ac97dma_dev = {
640 	.name		= "au1xpsc-pcm",
641 	.id		= 1,	/* PSC ID */
642 };
643 
644 static struct platform_device db1300_i2sdma_dev = {
645 	.name		= "au1xpsc-pcm",
646 	.id		= 2,	/* PSC ID */
647 };
648 
649 static struct platform_device db1300_sndac97_dev = {
650 	.name		= "db1300-ac97",
651 };
652 
653 static struct platform_device db1300_sndi2s_dev = {
654 	.name		= "db1300-i2s",
655 };
656 
657 /**********************************************************************/
658 
659 static int db1300fb_panel_index(void)
660 {
661 	return 9;	/* DB1300_800x480 */
662 }
663 
664 static int db1300fb_panel_init(void)
665 {
666 	/* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
667 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
668 			     BCSR_BOARD_LCDBL);
669 	return 0;
670 }
671 
672 static int db1300fb_panel_shutdown(void)
673 {
674 	/* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
675 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
676 			     BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
677 	return 0;
678 }
679 
680 static struct au1200fb_platdata db1300fb_pd = {
681 	.panel_index	= db1300fb_panel_index,
682 	.panel_init	= db1300fb_panel_init,
683 	.panel_shutdown = db1300fb_panel_shutdown,
684 };
685 
686 static struct resource au1300_lcd_res[] = {
687 	[0] = {
688 		.start	= AU1200_LCD_PHYS_ADDR,
689 		.end	= AU1200_LCD_PHYS_ADDR + 0x800 - 1,
690 		.flags	= IORESOURCE_MEM,
691 	},
692 	[1] = {
693 		.start	= AU1300_LCD_INT,
694 		.end	= AU1300_LCD_INT,
695 		.flags	= IORESOURCE_IRQ,
696 	}
697 };
698 
699 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
700 
701 static struct platform_device db1300_lcd_dev = {
702 	.name		= "au1200-lcd",
703 	.id		= 0,
704 	.dev = {
705 		.dma_mask		= &au1300_lcd_dmamask,
706 		.coherent_dma_mask	= DMA_BIT_MASK(32),
707 		.platform_data		= &db1300fb_pd,
708 	},
709 	.num_resources	= ARRAY_SIZE(au1300_lcd_res),
710 	.resource	= au1300_lcd_res,
711 };
712 
713 /**********************************************************************/
714 
715 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
716 {
717 	if (enable)
718 		enable_irq(DB1300_AC97_PEN_INT);
719 	else
720 		disable_irq_nosync(DB1300_AC97_PEN_INT);
721 }
722 
723 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
724 	.irq_enable	= db1300_wm97xx_irqen,
725 	.irq_gpio	= WM97XX_GPIO_3,
726 };
727 
728 static int db1300_wm97xx_probe(struct platform_device *pdev)
729 {
730 	struct wm97xx *wm = platform_get_drvdata(pdev);
731 
732 	/* external pendown indicator */
733 	wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
734 			   WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
735 			   WM97XX_GPIO_WAKE);
736 
737 	/* internal "virtual" pendown gpio */
738 	wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
739 			   WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
740 			   WM97XX_GPIO_NOWAKE);
741 
742 	wm->pen_irq = DB1300_AC97_PEN_INT;
743 
744 	return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
745 }
746 
747 static struct platform_driver db1300_wm97xx_driver = {
748 	.driver.name	= "wm97xx-touch",
749 	.driver.owner	= THIS_MODULE,
750 	.probe		= db1300_wm97xx_probe,
751 };
752 
753 /**********************************************************************/
754 
755 static struct platform_device *db1300_dev[] __initdata = {
756 	&db1300_eth_dev,
757 	&db1300_i2c_dev,
758 	&db1300_5waysw_dev,
759 	&db1300_nand_dev,
760 	&db1300_ide_dev,
761 	&db1300_sd0_dev,
762 	&db1300_sd1_dev,
763 	&db1300_lcd_dev,
764 	&db1300_ac97_dev,
765 	&db1300_i2s_dev,
766 	&db1300_wm9715_dev,
767 	&db1300_ac97dma_dev,
768 	&db1300_i2sdma_dev,
769 	&db1300_sndac97_dev,
770 	&db1300_sndi2s_dev,
771 };
772 
773 int __init db1300_dev_setup(void)
774 {
775 	int swapped, cpldirq;
776 	struct clk *c;
777 
778 	/* setup CPLD IRQ muxer */
779 	cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
780 	irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
781 	bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
782 
783 	/* insert/eject IRQs: one always triggers so don't enable them
784 	 * when doing request_irq() on them.  DB1200 has this bug too.
785 	 */
786 	irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
787 	irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
788 	irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
789 	irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
790 
791 	/*
792 	 * setup board
793 	 */
794 	prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
795 
796 	i2c_register_board_info(0, db1300_i2c_devs,
797 				ARRAY_SIZE(db1300_i2c_devs));
798 
799 	if (platform_driver_register(&db1300_wm97xx_driver))
800 		pr_warn("DB1300: failed to init touch pen irq support!\n");
801 
802 	/* Audio PSC clock is supplied by codecs (PSC1, 2) */
803 	__raw_writel(PSC_SEL_CLK_SERCLK,
804 	    (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
805 	wmb();
806 	__raw_writel(PSC_SEL_CLK_SERCLK,
807 	    (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
808 	wmb();
809 	/* I2C driver wants 50MHz, get as close as possible */
810 	c = clk_get(NULL, "psc3_intclk");
811 	if (!IS_ERR(c)) {
812 		clk_set_rate(c, 50000000);
813 		clk_prepare_enable(c);
814 		clk_put(c);
815 	}
816 	__raw_writel(PSC_SEL_CLK_INTCLK,
817 	    (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
818 	wmb();
819 
820 	/* enable power to USB ports */
821 	bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
822 
823 	/* although it is socket #0, it uses the CPLD bits which previous boards
824 	 * have used for socket #1.
825 	 */
826 	db1x_register_pcmcia_socket(
827 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
828 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
829 		AU1000_PCMCIA_MEM_PHYS_ADDR,
830 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
831 		AU1000_PCMCIA_IO_PHYS_ADDR,
832 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
833 		DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
834 
835 	swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
836 	db1x_register_norflash(64 << 20, 2, swapped);
837 
838 	return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
839 }
840 
841 
842 int __init db1300_board_setup(void)
843 {
844 	unsigned short whoami;
845 
846 	bcsr_init(DB1300_BCSR_PHYS_ADDR,
847 		  DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
848 
849 	whoami = bcsr_read(BCSR_WHOAMI);
850 	if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
851 		return -ENODEV;
852 
853 	db1300_gpio_config();
854 
855 	printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
856 		"BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
857 		BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
858 		BCSR_WHOAMI_DCID(whoami));
859 
860 	/* enable UARTs, YAMON only enables #2 */
861 	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
862 	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
863 	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
864 
865 	return 0;
866 }
867