cgroup: superblock can't be released with active dentries
[firefly-linux-kernel-4.4.55.git] / arch / mips / alchemy / devboards / db1300.c
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 }