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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / arch / mips / alchemy / devboards / db1300.c
blob8ac1f56ee57d087901de630396f3eb234d844aa3
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
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
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
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
454 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
455 {
456 disable_irq_nosync(irq);
457 return IRQ_WAKE_THREAD;
458 }
459
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
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
486 static int db1300_mmc_card_inserted(void *mmc_host)
487 {
488 return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
489 }
490
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
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
579 static int db1300_movinand_inserted(void *mmc_host)
580 {
581 return 0; /* disable for now, it doesn't work yet */
582 }
583
584 static int db1300_movinand_readonly(void *mmc_host)
585 {
586 return 0;
587 }
588
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
679 static int db1300fb_panel_index(void)
680 {
681 return 9; /* DB1300_800x480 */
682 }
683
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
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 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
735 {
736 if (enable)
737 enable_irq(DB1300_AC97_PEN_INT);
738 else
739 disable_irq_nosync(DB1300_AC97_PEN_INT);
740 }
741
742 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
743 .irq_enable = db1300_wm97xx_irqen,
744 .irq_gpio = WM97XX_GPIO_3,
745 };
746
747 static int db1300_wm97xx_probe(struct platform_device *pdev)
748 {
749 struct wm97xx *wm = platform_get_drvdata(pdev);
750
751 /* external pendown indicator */
752 wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
753 WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
754 WM97XX_GPIO_WAKE);
755
756 /* internal "virtual" pendown gpio */
757 wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
758 WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
759 WM97XX_GPIO_NOWAKE);
760
761 wm->pen_irq = DB1300_AC97_PEN_INT;
762
763 return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
764 }
765
766 static struct platform_driver db1300_wm97xx_driver = {
767 .driver.name = "wm97xx-touch",
768 .driver.owner = THIS_MODULE,
769 .probe = db1300_wm97xx_probe,
770 };
771
772 /**********************************************************************/
773
774 static struct platform_device *db1300_dev[] __initdata = {
775 &db1300_eth_dev,
776 &db1300_i2c_dev,
777 &db1300_5waysw_dev,
778 &db1300_nand_dev,
779 &db1300_ide_dev,
780 &db1300_sd0_dev,
781 &db1300_sd1_dev,
782 &db1300_lcd_dev,
783 &db1300_ac97_dev,
784 &db1300_i2s_dev,
785 &db1300_wm9715_dev,
786 &db1300_ac97dma_dev,
787 &db1300_i2sdma_dev,
788 &db1300_sndac97_dev,
789 &db1300_sndi2s_dev,
790 };
791
792 int __init db1300_dev_setup(void)
793 {
794 int swapped, cpldirq;
795 struct clk *c;
796
797 /* setup CPLD IRQ muxer */
798 cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
799 irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
800 bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
801
802 /* insert/eject IRQs: one always triggers so don't enable them
803 * when doing request_irq() on them. DB1200 has this bug too.
804 */
805 irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
806 irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
807 irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
808 irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
809
810 /*
811 * setup board
812 */
813 prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
814
815 i2c_register_board_info(0, db1300_i2c_devs,
816 ARRAY_SIZE(db1300_i2c_devs));
817
818 if (platform_driver_register(&db1300_wm97xx_driver))
819 pr_warn("DB1300: failed to init touch pen irq support!\n");
820
821 /* Audio PSC clock is supplied by codecs (PSC1, 2) */
822 __raw_writel(PSC_SEL_CLK_SERCLK,
823 (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
824 wmb();
825 __raw_writel(PSC_SEL_CLK_SERCLK,
826 (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
827 wmb();
828 /* I2C driver wants 50MHz, get as close as possible */
829 c = clk_get(NULL, "psc3_intclk");
830 if (!IS_ERR(c)) {
831 clk_set_rate(c, 50000000);
832 clk_prepare_enable(c);
833 clk_put(c);
834 }
835 __raw_writel(PSC_SEL_CLK_INTCLK,
836 (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
837 wmb();
838
839 /* enable power to USB ports */
840 bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
841
842 /* although it is socket #0, it uses the CPLD bits which previous boards
843 * have used for socket #1.
844 */
845 db1x_register_pcmcia_socket(
846 AU1000_PCMCIA_ATTR_PHYS_ADDR,
847 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
848 AU1000_PCMCIA_MEM_PHYS_ADDR,
849 AU1000_PCMCIA_MEM_PHYS_ADDR + 0x00400000 - 1,
850 AU1000_PCMCIA_IO_PHYS_ADDR,
851 AU1000_PCMCIA_IO_PHYS_ADDR + 0x00010000 - 1,
852 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
853
854 swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
855 db1x_register_norflash(64 << 20, 2, swapped);
856
857 return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
858 }
859
860
861 int __init db1300_board_setup(void)
862 {
863 unsigned short whoami;
864
865 bcsr_init(DB1300_BCSR_PHYS_ADDR,
866 DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
867
868 whoami = bcsr_read(BCSR_WHOAMI);
869 if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
870 return -ENODEV;
871
872 db1300_gpio_config();
873
874 printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
875 "BoardID %d CPLD Rev %d DaughtercardID %d\n",
876 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
877 BCSR_WHOAMI_DCID(whoami));
878
879 /* enable UARTs, YAMON only enables #2 */
880 alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
881 alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
882 alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
883
884 return 0;
885 }
Linux with added FPC-III support