1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * DBAu1300 init and platform device setup.
4  *
5  * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
6  */
7 
8 #include <linux/clk.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/gpio.h>
11 #include <linux/gpio_keys.h>
12 #include <linux/init.h>
13 #include <linux/input.h>	/* KEY_* codes */
14 #include <linux/i2c.h>
15 #include <linux/io.h>
16 #include <linux/leds.h>
17 #include <linux/interrupt.h>
18 #include <linux/ata_platform.h>
19 #include <linux/mmc/host.h>
20 #include <linux/module.h>
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/platnand.h>
23 #include <linux/platform_device.h>
24 #include <linux/smsc911x.h>
25 #include <linux/wm97xx.h>
26 
27 #include <asm/mach-au1x00/au1000.h>
28 #include <asm/mach-au1x00/gpio-au1300.h>
29 #include <asm/mach-au1x00/au1100_mmc.h>
30 #include <asm/mach-au1x00/au1200fb.h>
31 #include <asm/mach-au1x00/au1xxx_dbdma.h>
32 #include <asm/mach-au1x00/au1xxx_psc.h>
33 #include <asm/mach-db1x00/bcsr.h>
34 #include <asm/mach-au1x00/prom.h>
35 
36 #include "platform.h"
37 
38 /* FPGA (external mux) interrupt sources */
39 #define DB1300_FIRST_INT	(ALCHEMY_GPIC_INT_LAST + 1)
40 #define DB1300_IDE_INT		(DB1300_FIRST_INT + 0)
41 #define DB1300_ETH_INT		(DB1300_FIRST_INT + 1)
42 #define DB1300_CF_INT		(DB1300_FIRST_INT + 2)
43 #define DB1300_VIDEO_INT	(DB1300_FIRST_INT + 4)
44 #define DB1300_HDMI_INT		(DB1300_FIRST_INT + 5)
45 #define DB1300_DC_INT		(DB1300_FIRST_INT + 6)
46 #define DB1300_FLASH_INT	(DB1300_FIRST_INT + 7)
47 #define DB1300_CF_INSERT_INT	(DB1300_FIRST_INT + 8)
48 #define DB1300_CF_EJECT_INT	(DB1300_FIRST_INT + 9)
49 #define DB1300_AC97_INT		(DB1300_FIRST_INT + 10)
50 #define DB1300_AC97_PEN_INT	(DB1300_FIRST_INT + 11)
51 #define DB1300_SD1_INSERT_INT	(DB1300_FIRST_INT + 12)
52 #define DB1300_SD1_EJECT_INT	(DB1300_FIRST_INT + 13)
53 #define DB1300_OTG_VBUS_OC_INT	(DB1300_FIRST_INT + 14)
54 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
55 #define DB1300_LAST_INT		(DB1300_FIRST_INT + 15)
56 
57 /* SMSC9210 CS */
58 #define DB1300_ETH_PHYS_ADDR	0x19000000
59 #define DB1300_ETH_PHYS_END	0x197fffff
60 
61 /* ATA CS */
62 #define DB1300_IDE_PHYS_ADDR	0x18800000
63 #define DB1300_IDE_REG_SHIFT	5
64 #define DB1300_IDE_PHYS_LEN	(16 << DB1300_IDE_REG_SHIFT)
65 
66 /* NAND CS */
67 #define DB1300_NAND_PHYS_ADDR	0x20000000
68 #define DB1300_NAND_PHYS_END	0x20000fff
69 
70 
71 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
72 	{ I2C_BOARD_INFO("wm8731", 0x1b), },	/* I2S audio codec */
73 	{ I2C_BOARD_INFO("ne1619", 0x2d), },	/* adm1025-compat hwmon */
74 };
75 
76 /* multifunction pins to assign to GPIO controller */
77 static int db1300_gpio_pins[] __initdata = {
78 	AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
79 	AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
80 	AU1300_PIN_EXTCLK1,
81 	-1,	/* terminator */
82 };
83 
84 /* multifunction pins to assign to device functions */
85 static int db1300_dev_pins[] __initdata = {
86 	/* wake-from-str pins 0-3 */
87 	AU1300_PIN_WAKE0,
88 	/* external clock sources for PSC0 */
89 	AU1300_PIN_EXTCLK0,
90 	/* 8bit MMC interface on SD0: 6-9 */
91 	AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
92 	AU1300_PIN_SD0DAT7,
93 	/* UART1 pins: 11-18 */
94 	AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
95 	AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
96 	AU1300_PIN_U1RX, AU1300_PIN_U1TX,
97 	/* UART0 pins: 19-24 */
98 	AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
99 	AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
100 	/* UART2: 25-26 */
101 	AU1300_PIN_U2RX, AU1300_PIN_U2TX,
102 	/* UART3: 27-28 */
103 	AU1300_PIN_U3RX, AU1300_PIN_U3TX,
104 	/* LCD controller PWMs, ext pixclock: 30-31 */
105 	AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
106 	/* SD1 interface: 32-37 */
107 	AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
108 	AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
109 	/* SD2 interface: 38-43 */
110 	AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
111 	AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
112 	/* PSC0/1 clocks: 44-45 */
113 	AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
114 	/* PSCs: 46-49/50-53/54-57/58-61 */
115 	AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
116 	AU1300_PIN_PSC0D1,
117 	AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
118 	AU1300_PIN_PSC1D1,
119 	AU1300_PIN_PSC2SYNC0,			    AU1300_PIN_PSC2D0,
120 	AU1300_PIN_PSC2D1,
121 	AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
122 	AU1300_PIN_PSC3D1,
123 	/* PCMCIA interface: 62-70 */
124 	AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
125 	AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
126 	AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
127 	/* camera interface H/V sync inputs: 71-72 */
128 	AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
129 	/* PSC2/3 clocks: 73-74 */
130 	AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
131 	-1,	/* terminator */
132 };
133 
db1300_gpio_config(void)134 static void __init db1300_gpio_config(void)
135 {
136 	int *i;
137 
138 	i = &db1300_dev_pins[0];
139 	while (*i != -1)
140 		au1300_pinfunc_to_dev(*i++);
141 
142 	i = &db1300_gpio_pins[0];
143 	while (*i != -1)
144 		au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
145 
146 	au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
147 }
148 
149 /**********************************************************************/
150 
151 static u64 au1300_all_dmamask = DMA_BIT_MASK(32);
152 
au1300_nand_cmd_ctrl(struct nand_chip * this,int cmd,unsigned int ctrl)153 static void au1300_nand_cmd_ctrl(struct nand_chip *this, int cmd,
154 				 unsigned int ctrl)
155 {
156 	unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W;
157 
158 	ioaddr &= 0xffffff00;
159 
160 	if (ctrl & NAND_CLE) {
161 		ioaddr += MEM_STNAND_CMD;
162 	} else if (ctrl & NAND_ALE) {
163 		ioaddr += MEM_STNAND_ADDR;
164 	} else {
165 		/* assume we want to r/w real data  by default */
166 		ioaddr += MEM_STNAND_DATA;
167 	}
168 	this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
169 	if (cmd != NAND_CMD_NONE) {
170 		__raw_writeb(cmd, this->legacy.IO_ADDR_W);
171 		wmb();
172 	}
173 }
174 
au1300_nand_device_ready(struct nand_chip * this)175 static int au1300_nand_device_ready(struct nand_chip *this)
176 {
177 	return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
178 }
179 
180 static struct mtd_partition db1300_nand_parts[] = {
181 	{
182 		.name	= "NAND FS 0",
183 		.offset = 0,
184 		.size	= 8 * 1024 * 1024,
185 	},
186 	{
187 		.name	= "NAND FS 1",
188 		.offset = MTDPART_OFS_APPEND,
189 		.size	= MTDPART_SIZ_FULL
190 	},
191 };
192 
193 struct platform_nand_data db1300_nand_platdata = {
194 	.chip = {
195 		.nr_chips	= 1,
196 		.chip_offset	= 0,
197 		.nr_partitions	= ARRAY_SIZE(db1300_nand_parts),
198 		.partitions	= db1300_nand_parts,
199 		.chip_delay	= 20,
200 	},
201 	.ctrl = {
202 		.dev_ready	= au1300_nand_device_ready,
203 		.cmd_ctrl	= au1300_nand_cmd_ctrl,
204 	},
205 };
206 
207 static struct resource db1300_nand_res[] = {
208 	[0] = {
209 		.start	= DB1300_NAND_PHYS_ADDR,
210 		.end	= DB1300_NAND_PHYS_ADDR + 0xff,
211 		.flags	= IORESOURCE_MEM,
212 	},
213 };
214 
215 static struct platform_device db1300_nand_dev = {
216 	.name		= "gen_nand",
217 	.num_resources	= ARRAY_SIZE(db1300_nand_res),
218 	.resource	= db1300_nand_res,
219 	.id		= -1,
220 	.dev		= {
221 		.platform_data = &db1300_nand_platdata,
222 	}
223 };
224 
225 /**********************************************************************/
226 
227 static struct resource db1300_eth_res[] = {
228 	[0] = {
229 		.start		= DB1300_ETH_PHYS_ADDR,
230 		.end		= DB1300_ETH_PHYS_END,
231 		.flags		= IORESOURCE_MEM,
232 	},
233 	[1] = {
234 		.start		= DB1300_ETH_INT,
235 		.end		= DB1300_ETH_INT,
236 		.flags		= IORESOURCE_IRQ,
237 	},
238 };
239 
240 static struct smsc911x_platform_config db1300_eth_config = {
241 	.phy_interface		= PHY_INTERFACE_MODE_MII,
242 	.irq_polarity		= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
243 	.irq_type		= SMSC911X_IRQ_TYPE_PUSH_PULL,
244 	.flags			= SMSC911X_USE_32BIT,
245 };
246 
247 static struct platform_device db1300_eth_dev = {
248 	.name			= "smsc911x",
249 	.id			= -1,
250 	.num_resources		= ARRAY_SIZE(db1300_eth_res),
251 	.resource		= db1300_eth_res,
252 	.dev = {
253 		.platform_data	= &db1300_eth_config,
254 	},
255 };
256 
257 /**********************************************************************/
258 
259 static struct resource au1300_psc1_res[] = {
260 	[0] = {
261 		.start	= AU1300_PSC1_PHYS_ADDR,
262 		.end	= AU1300_PSC1_PHYS_ADDR + 0x0fff,
263 		.flags	= IORESOURCE_MEM,
264 	},
265 	[1] = {
266 		.start	= AU1300_PSC1_INT,
267 		.end	= AU1300_PSC1_INT,
268 		.flags	= IORESOURCE_IRQ,
269 	},
270 	[2] = {
271 		.start	= AU1300_DSCR_CMD0_PSC1_TX,
272 		.end	= AU1300_DSCR_CMD0_PSC1_TX,
273 		.flags	= IORESOURCE_DMA,
274 	},
275 	[3] = {
276 		.start	= AU1300_DSCR_CMD0_PSC1_RX,
277 		.end	= AU1300_DSCR_CMD0_PSC1_RX,
278 		.flags	= IORESOURCE_DMA,
279 	},
280 };
281 
282 static struct platform_device db1300_ac97_dev = {
283 	.name		= "au1xpsc_ac97",
284 	.id		= 1,	/* PSC ID. match with AC97 codec ID! */
285 	.num_resources	= ARRAY_SIZE(au1300_psc1_res),
286 	.resource	= au1300_psc1_res,
287 };
288 
289 /**********************************************************************/
290 
291 static struct resource au1300_psc2_res[] = {
292 	[0] = {
293 		.start	= AU1300_PSC2_PHYS_ADDR,
294 		.end	= AU1300_PSC2_PHYS_ADDR + 0x0fff,
295 		.flags	= IORESOURCE_MEM,
296 	},
297 	[1] = {
298 		.start	= AU1300_PSC2_INT,
299 		.end	= AU1300_PSC2_INT,
300 		.flags	= IORESOURCE_IRQ,
301 	},
302 	[2] = {
303 		.start	= AU1300_DSCR_CMD0_PSC2_TX,
304 		.end	= AU1300_DSCR_CMD0_PSC2_TX,
305 		.flags	= IORESOURCE_DMA,
306 	},
307 	[3] = {
308 		.start	= AU1300_DSCR_CMD0_PSC2_RX,
309 		.end	= AU1300_DSCR_CMD0_PSC2_RX,
310 		.flags	= IORESOURCE_DMA,
311 	},
312 };
313 
314 static struct platform_device db1300_i2s_dev = {
315 	.name		= "au1xpsc_i2s",
316 	.id		= 2,	/* PSC ID */
317 	.num_resources	= ARRAY_SIZE(au1300_psc2_res),
318 	.resource	= au1300_psc2_res,
319 };
320 
321 /**********************************************************************/
322 
323 static struct resource au1300_psc3_res[] = {
324 	[0] = {
325 		.start	= AU1300_PSC3_PHYS_ADDR,
326 		.end	= AU1300_PSC3_PHYS_ADDR + 0x0fff,
327 		.flags	= IORESOURCE_MEM,
328 	},
329 	[1] = {
330 		.start	= AU1300_PSC3_INT,
331 		.end	= AU1300_PSC3_INT,
332 		.flags	= IORESOURCE_IRQ,
333 	},
334 	[2] = {
335 		.start	= AU1300_DSCR_CMD0_PSC3_TX,
336 		.end	= AU1300_DSCR_CMD0_PSC3_TX,
337 		.flags	= IORESOURCE_DMA,
338 	},
339 	[3] = {
340 		.start	= AU1300_DSCR_CMD0_PSC3_RX,
341 		.end	= AU1300_DSCR_CMD0_PSC3_RX,
342 		.flags	= IORESOURCE_DMA,
343 	},
344 };
345 
346 static struct platform_device db1300_i2c_dev = {
347 	.name		= "au1xpsc_smbus",
348 	.id		= 0,	/* bus number */
349 	.num_resources	= ARRAY_SIZE(au1300_psc3_res),
350 	.resource	= au1300_psc3_res,
351 };
352 
353 /**********************************************************************/
354 
355 /* proper key assignments when facing the LCD panel.  For key assignments
356  * according to the schematics swap up with down and left with right.
357  * I chose to use it to emulate the arrow keys of a keyboard.
358  */
359 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
360 	{
361 		.code			= KEY_DOWN,
362 		.gpio			= AU1300_PIN_LCDPWM0,
363 		.type			= EV_KEY,
364 		.debounce_interval	= 1,
365 		.active_low		= 1,
366 		.desc			= "5waysw-down",
367 	},
368 	{
369 		.code			= KEY_UP,
370 		.gpio			= AU1300_PIN_PSC2SYNC1,
371 		.type			= EV_KEY,
372 		.debounce_interval	= 1,
373 		.active_low		= 1,
374 		.desc			= "5waysw-up",
375 	},
376 	{
377 		.code			= KEY_RIGHT,
378 		.gpio			= AU1300_PIN_WAKE3,
379 		.type			= EV_KEY,
380 		.debounce_interval	= 1,
381 		.active_low		= 1,
382 		.desc			= "5waysw-right",
383 	},
384 	{
385 		.code			= KEY_LEFT,
386 		.gpio			= AU1300_PIN_WAKE2,
387 		.type			= EV_KEY,
388 		.debounce_interval	= 1,
389 		.active_low		= 1,
390 		.desc			= "5waysw-left",
391 	},
392 	{
393 		.code			= KEY_ENTER,
394 		.gpio			= AU1300_PIN_WAKE1,
395 		.type			= EV_KEY,
396 		.debounce_interval	= 1,
397 		.active_low		= 1,
398 		.desc			= "5waysw-push",
399 	},
400 };
401 
402 static struct gpio_keys_platform_data db1300_5waysw_data = {
403 	.buttons	= db1300_5waysw_arrowkeys,
404 	.nbuttons	= ARRAY_SIZE(db1300_5waysw_arrowkeys),
405 	.rep		= 1,
406 	.name		= "db1300-5wayswitch",
407 };
408 
409 static struct platform_device db1300_5waysw_dev = {
410 	.name		= "gpio-keys",
411 	.dev	= {
412 		.platform_data	= &db1300_5waysw_data,
413 	},
414 };
415 
416 /**********************************************************************/
417 
418 static struct pata_platform_info db1300_ide_info = {
419 	.ioport_shift	= DB1300_IDE_REG_SHIFT,
420 };
421 
422 #define IDE_ALT_START	(14 << DB1300_IDE_REG_SHIFT)
423 static struct resource db1300_ide_res[] = {
424 	[0] = {
425 		.start	= DB1300_IDE_PHYS_ADDR,
426 		.end	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
427 		.flags	= IORESOURCE_MEM,
428 	},
429 	[1] = {
430 		.start	= DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
431 		.end	= DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
432 		.flags	= IORESOURCE_MEM,
433 	},
434 	[2] = {
435 		.start	= DB1300_IDE_INT,
436 		.end	= DB1300_IDE_INT,
437 		.flags	= IORESOURCE_IRQ,
438 	},
439 };
440 
441 static struct platform_device db1300_ide_dev = {
442 	.dev	= {
443 		.dma_mask		= &au1300_all_dmamask,
444 		.coherent_dma_mask	= DMA_BIT_MASK(32),
445 		.platform_data	= &db1300_ide_info,
446 	},
447 	.name		= "pata_platform",
448 	.resource	= db1300_ide_res,
449 	.num_resources	= ARRAY_SIZE(db1300_ide_res),
450 };
451 
452 /**********************************************************************/
453 
db1300_mmc_cd(int irq,void * ptr)454 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
455 {
456 	disable_irq_nosync(irq);
457 	return IRQ_WAKE_THREAD;
458 }
459 
db1300_mmc_cdfn(int irq,void * ptr)460 static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
461 {
462 	void (*mmc_cd)(struct mmc_host *, unsigned long);
463 
464 	/* link against CONFIG_MMC=m.  We can only be called once MMC core has
465 	 * initialized the controller, so symbol_get() should always succeed.
466 	 */
467 	mmc_cd = symbol_get(mmc_detect_change);
468 	mmc_cd(ptr, msecs_to_jiffies(200));
469 	symbol_put(mmc_detect_change);
470 
471 	msleep(100);	/* debounce */
472 	if (irq == DB1300_SD1_INSERT_INT)
473 		enable_irq(DB1300_SD1_EJECT_INT);
474 	else
475 		enable_irq(DB1300_SD1_INSERT_INT);
476 
477 	return IRQ_HANDLED;
478 }
479 
db1300_mmc_card_readonly(void * mmc_host)480 static int db1300_mmc_card_readonly(void *mmc_host)
481 {
482 	/* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
483 	return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
484 }
485 
db1300_mmc_card_inserted(void * mmc_host)486 static int db1300_mmc_card_inserted(void *mmc_host)
487 {
488 	return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
489 }
490 
db1300_mmc_cd_setup(void * mmc_host,int en)491 static int db1300_mmc_cd_setup(void *mmc_host, int en)
492 {
493 	int ret;
494 
495 	if (en) {
496 		ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd,
497 				db1300_mmc_cdfn, 0, "sd_insert", mmc_host);
498 		if (ret)
499 			goto out;
500 
501 		ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd,
502 				db1300_mmc_cdfn, 0, "sd_eject", mmc_host);
503 		if (ret) {
504 			free_irq(DB1300_SD1_INSERT_INT, mmc_host);
505 			goto out;
506 		}
507 
508 		if (db1300_mmc_card_inserted(mmc_host))
509 			enable_irq(DB1300_SD1_EJECT_INT);
510 		else
511 			enable_irq(DB1300_SD1_INSERT_INT);
512 
513 	} else {
514 		free_irq(DB1300_SD1_INSERT_INT, mmc_host);
515 		free_irq(DB1300_SD1_EJECT_INT, mmc_host);
516 	}
517 	ret = 0;
518 out:
519 	return ret;
520 }
521 
db1300_mmcled_set(struct led_classdev * led,enum led_brightness brightness)522 static void db1300_mmcled_set(struct led_classdev *led,
523 			      enum led_brightness brightness)
524 {
525 	if (brightness != LED_OFF)
526 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
527 	else
528 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
529 }
530 
531 static struct led_classdev db1300_mmc_led = {
532 	.brightness_set = db1300_mmcled_set,
533 };
534 
535 struct au1xmmc_platform_data db1300_sd1_platdata = {
536 	.cd_setup	= db1300_mmc_cd_setup,
537 	.card_inserted	= db1300_mmc_card_inserted,
538 	.card_readonly	= db1300_mmc_card_readonly,
539 	.led		= &db1300_mmc_led,
540 };
541 
542 static struct resource au1300_sd1_res[] = {
543 	[0] = {
544 		.start	= AU1300_SD1_PHYS_ADDR,
545 		.end	= AU1300_SD1_PHYS_ADDR,
546 		.flags	= IORESOURCE_MEM,
547 	},
548 	[1] = {
549 		.start	= AU1300_SD1_INT,
550 		.end	= AU1300_SD1_INT,
551 		.flags	= IORESOURCE_IRQ,
552 	},
553 	[2] = {
554 		.start	= AU1300_DSCR_CMD0_SDMS_TX1,
555 		.end	= AU1300_DSCR_CMD0_SDMS_TX1,
556 		.flags	= IORESOURCE_DMA,
557 	},
558 	[3] = {
559 		.start	= AU1300_DSCR_CMD0_SDMS_RX1,
560 		.end	= AU1300_DSCR_CMD0_SDMS_RX1,
561 		.flags	= IORESOURCE_DMA,
562 	},
563 };
564 
565 static struct platform_device db1300_sd1_dev = {
566 	.dev = {
567 		.dma_mask		= &au1300_all_dmamask,
568 		.coherent_dma_mask	= DMA_BIT_MASK(32),
569 		.platform_data		= &db1300_sd1_platdata,
570 	},
571 	.name		= "au1xxx-mmc",
572 	.id		= 1,
573 	.resource	= au1300_sd1_res,
574 	.num_resources	= ARRAY_SIZE(au1300_sd1_res),
575 };
576 
577 /**********************************************************************/
578 
db1300_movinand_inserted(void * mmc_host)579 static int db1300_movinand_inserted(void *mmc_host)
580 {
581 	return 0; /* disable for now, it doesn't work yet */
582 }
583 
db1300_movinand_readonly(void * mmc_host)584 static int db1300_movinand_readonly(void *mmc_host)
585 {
586 	return 0;
587 }
588 
db1300_movinand_led_set(struct led_classdev * led,enum led_brightness brightness)589 static void db1300_movinand_led_set(struct led_classdev *led,
590 				    enum led_brightness brightness)
591 {
592 	if (brightness != LED_OFF)
593 		bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
594 	else
595 		bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
596 }
597 
598 static struct led_classdev db1300_movinand_led = {
599 	.brightness_set		= db1300_movinand_led_set,
600 };
601 
602 struct au1xmmc_platform_data db1300_sd0_platdata = {
603 	.card_inserted		= db1300_movinand_inserted,
604 	.card_readonly		= db1300_movinand_readonly,
605 	.led			= &db1300_movinand_led,
606 	.mask_host_caps		= MMC_CAP_NEEDS_POLL,
607 };
608 
609 static struct resource au1300_sd0_res[] = {
610 	[0] = {
611 		.start	= AU1100_SD0_PHYS_ADDR,
612 		.end	= AU1100_SD0_PHYS_ADDR,
613 		.flags	= IORESOURCE_MEM,
614 	},
615 	[1] = {
616 		.start	= AU1300_SD0_INT,
617 		.end	= AU1300_SD0_INT,
618 		.flags	= IORESOURCE_IRQ,
619 	},
620 	[2] = {
621 		.start	= AU1300_DSCR_CMD0_SDMS_TX0,
622 		.end	= AU1300_DSCR_CMD0_SDMS_TX0,
623 		.flags	= IORESOURCE_DMA,
624 	},
625 	[3] = {
626 		.start	= AU1300_DSCR_CMD0_SDMS_RX0,
627 		.end	= AU1300_DSCR_CMD0_SDMS_RX0,
628 		.flags	= IORESOURCE_DMA,
629 	},
630 };
631 
632 static struct platform_device db1300_sd0_dev = {
633 	.dev = {
634 		.dma_mask		= &au1300_all_dmamask,
635 		.coherent_dma_mask	= DMA_BIT_MASK(32),
636 		.platform_data		= &db1300_sd0_platdata,
637 	},
638 	.name		= "au1xxx-mmc",
639 	.id		= 0,
640 	.resource	= au1300_sd0_res,
641 	.num_resources	= ARRAY_SIZE(au1300_sd0_res),
642 };
643 
644 /**********************************************************************/
645 
646 static struct platform_device db1300_wm9715_dev = {
647 	.name		= "wm9712-codec",
648 	.id		= 1,	/* ID of PSC for AC97 audio, see asoc glue! */
649 };
650 
651 static struct platform_device db1300_ac97dma_dev = {
652 	.name		= "au1xpsc-pcm",
653 	.id		= 1,	/* PSC ID */
654 };
655 
656 static struct platform_device db1300_i2sdma_dev = {
657 	.name		= "au1xpsc-pcm",
658 	.id		= 2,	/* PSC ID */
659 };
660 
661 static struct platform_device db1300_sndac97_dev = {
662 	.name		= "db1300-ac97",
663 	.dev = {
664 		.dma_mask		= &au1300_all_dmamask,
665 		.coherent_dma_mask	= DMA_BIT_MASK(32),
666 	},
667 };
668 
669 static struct platform_device db1300_sndi2s_dev = {
670 	.name		= "db1300-i2s",
671 	.dev = {
672 		.dma_mask		= &au1300_all_dmamask,
673 		.coherent_dma_mask	= DMA_BIT_MASK(32),
674 	},
675 };
676 
677 /**********************************************************************/
678 
db1300fb_panel_index(void)679 static int db1300fb_panel_index(void)
680 {
681 	return 9;	/* DB1300_800x480 */
682 }
683 
db1300fb_panel_init(void)684 static int db1300fb_panel_init(void)
685 {
686 	/* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
687 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
688 			     BCSR_BOARD_LCDBL);
689 	return 0;
690 }
691 
db1300fb_panel_shutdown(void)692 static int db1300fb_panel_shutdown(void)
693 {
694 	/* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
695 	bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
696 			     BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
697 	return 0;
698 }
699 
700 static struct au1200fb_platdata db1300fb_pd = {
701 	.panel_index	= db1300fb_panel_index,
702 	.panel_init	= db1300fb_panel_init,
703 	.panel_shutdown = db1300fb_panel_shutdown,
704 };
705 
706 static struct resource au1300_lcd_res[] = {
707 	[0] = {
708 		.start	= AU1200_LCD_PHYS_ADDR,
709 		.end	= AU1200_LCD_PHYS_ADDR + 0x800 - 1,
710 		.flags	= IORESOURCE_MEM,
711 	},
712 	[1] = {
713 		.start	= AU1300_LCD_INT,
714 		.end	= AU1300_LCD_INT,
715 		.flags	= IORESOURCE_IRQ,
716 	}
717 };
718 
719 
720 static struct platform_device db1300_lcd_dev = {
721 	.name		= "au1200-lcd",
722 	.id		= 0,
723 	.dev = {
724 		.dma_mask		= &au1300_all_dmamask,
725 		.coherent_dma_mask	= DMA_BIT_MASK(32),
726 		.platform_data		= &db1300fb_pd,
727 	},
728 	.num_resources	= ARRAY_SIZE(au1300_lcd_res),
729 	.resource	= au1300_lcd_res,
730 };
731 
732 /**********************************************************************/
733 
734 #if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX)
735 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
736 	.irq_gpio	= WM97XX_GPIO_3,
737 };
738 
db1300_wm97xx_probe(struct platform_device * pdev)739 static int db1300_wm97xx_probe(struct platform_device *pdev)
740 {
741 	struct wm97xx *wm = platform_get_drvdata(pdev);
742 
743 	/* external pendown indicator */
744 	wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
745 			   WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
746 			   WM97XX_GPIO_WAKE);
747 
748 	/* internal "virtual" pendown gpio */
749 	wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
750 			   WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
751 			   WM97XX_GPIO_NOWAKE);
752 
753 	wm->pen_irq = DB1300_AC97_PEN_INT;
754 
755 	return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
756 }
757 #else
db1300_wm97xx_probe(struct platform_device * pdev)758 static int db1300_wm97xx_probe(struct platform_device *pdev)
759 {
760 	return -ENODEV;
761 }
762 #endif
763 
764 static struct platform_driver db1300_wm97xx_driver = {
765 	.driver.name	= "wm97xx-touch",
766 	.driver.owner	= THIS_MODULE,
767 	.probe		= db1300_wm97xx_probe,
768 };
769 
770 /**********************************************************************/
771 
772 static struct platform_device *db1300_dev[] __initdata = {
773 	&db1300_eth_dev,
774 	&db1300_i2c_dev,
775 	&db1300_5waysw_dev,
776 	&db1300_nand_dev,
777 	&db1300_ide_dev,
778 	&db1300_sd0_dev,
779 	&db1300_sd1_dev,
780 	&db1300_lcd_dev,
781 	&db1300_ac97_dev,
782 	&db1300_i2s_dev,
783 	&db1300_wm9715_dev,
784 	&db1300_ac97dma_dev,
785 	&db1300_i2sdma_dev,
786 	&db1300_sndac97_dev,
787 	&db1300_sndi2s_dev,
788 };
789 
db1300_dev_setup(void)790 int __init db1300_dev_setup(void)
791 {
792 	int swapped, cpldirq;
793 	struct clk *c;
794 
795 	/* setup CPLD IRQ muxer */
796 	cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
797 	irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
798 	bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
799 
800 	/* insert/eject IRQs: one always triggers so don't enable them
801 	 * when doing request_irq() on them.  DB1200 has this bug too.
802 	 */
803 	irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
804 	irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
805 	irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
806 	irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
807 
808 	/*
809 	 * setup board
810 	 */
811 	prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
812 
813 	i2c_register_board_info(0, db1300_i2c_devs,
814 				ARRAY_SIZE(db1300_i2c_devs));
815 
816 	if (platform_driver_register(&db1300_wm97xx_driver))
817 		pr_warn("DB1300: failed to init touch pen irq support!\n");
818 
819 	/* Audio PSC clock is supplied by codecs (PSC1, 2) */
820 	__raw_writel(PSC_SEL_CLK_SERCLK,
821 	    (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
822 	wmb();
823 	__raw_writel(PSC_SEL_CLK_SERCLK,
824 	    (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
825 	wmb();
826 	/* I2C driver wants 50MHz, get as close as possible */
827 	c = clk_get(NULL, "psc3_intclk");
828 	if (!IS_ERR(c)) {
829 		clk_set_rate(c, 50000000);
830 		clk_prepare_enable(c);
831 		clk_put(c);
832 	}
833 	__raw_writel(PSC_SEL_CLK_INTCLK,
834 	    (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
835 	wmb();
836 
837 	/* enable power to USB ports */
838 	bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
839 
840 	/* although it is socket #0, it uses the CPLD bits which previous boards
841 	 * have used for socket #1.
842 	 */
843 	db1x_register_pcmcia_socket(
844 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
845 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
846 		AU1000_PCMCIA_MEM_PHYS_ADDR,
847 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
848 		AU1000_PCMCIA_IO_PHYS_ADDR,
849 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
850 		DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
851 
852 	swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
853 	db1x_register_norflash(64 << 20, 2, swapped);
854 
855 	return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
856 }
857 
858 
db1300_board_setup(void)859 int __init db1300_board_setup(void)
860 {
861 	unsigned short whoami;
862 
863 	bcsr_init(DB1300_BCSR_PHYS_ADDR,
864 		  DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
865 
866 	whoami = bcsr_read(BCSR_WHOAMI);
867 	if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
868 		return -ENODEV;
869 
870 	db1300_gpio_config();
871 
872 	printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
873 		"BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
874 		BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
875 		BCSR_WHOAMI_DCID(whoami));
876 
877 	/* enable UARTs, YAMON only enables #2 */
878 	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
879 	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
880 	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
881 
882 	return 0;
883 }
884