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TOMOYO Linux Cross Reference
Linux/arch/mips/alchemy/devboards/db1300.c

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  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/gpio-au1300.h>
 28 #include <asm/mach-au1x00/au1100_mmc.h>
 29 #include <asm/mach-au1x00/au1200fb.h>
 30 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 31 #include <asm/mach-au1x00/au1xxx_psc.h>
 32 #include <asm/mach-db1x00/bcsr.h>
 33 #include <asm/mach-au1x00/prom.h>
 34 
 35 #include "platform.h"
 36 
 37 /* FPGA (external mux) interrupt sources */
 38 #define DB1300_FIRST_INT        (ALCHEMY_GPIC_INT_LAST + 1)
 39 #define DB1300_IDE_INT          (DB1300_FIRST_INT + 0)
 40 #define DB1300_ETH_INT          (DB1300_FIRST_INT + 1)
 41 #define DB1300_CF_INT           (DB1300_FIRST_INT + 2)
 42 #define DB1300_VIDEO_INT        (DB1300_FIRST_INT + 4)
 43 #define DB1300_HDMI_INT         (DB1300_FIRST_INT + 5)
 44 #define DB1300_DC_INT           (DB1300_FIRST_INT + 6)
 45 #define DB1300_FLASH_INT        (DB1300_FIRST_INT + 7)
 46 #define DB1300_CF_INSERT_INT    (DB1300_FIRST_INT + 8)
 47 #define DB1300_CF_EJECT_INT     (DB1300_FIRST_INT + 9)
 48 #define DB1300_AC97_INT         (DB1300_FIRST_INT + 10)
 49 #define DB1300_AC97_PEN_INT     (DB1300_FIRST_INT + 11)
 50 #define DB1300_SD1_INSERT_INT   (DB1300_FIRST_INT + 12)
 51 #define DB1300_SD1_EJECT_INT    (DB1300_FIRST_INT + 13)
 52 #define DB1300_OTG_VBUS_OC_INT  (DB1300_FIRST_INT + 14)
 53 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
 54 #define DB1300_LAST_INT         (DB1300_FIRST_INT + 15)
 55 
 56 /* SMSC9210 CS */
 57 #define DB1300_ETH_PHYS_ADDR    0x19000000
 58 #define DB1300_ETH_PHYS_END     0x197fffff
 59 
 60 /* ATA CS */
 61 #define DB1300_IDE_PHYS_ADDR    0x18800000
 62 #define DB1300_IDE_REG_SHIFT    5
 63 #define DB1300_IDE_PHYS_LEN     (16 << DB1300_IDE_REG_SHIFT)
 64 
 65 /* NAND CS */
 66 #define DB1300_NAND_PHYS_ADDR   0x20000000
 67 #define DB1300_NAND_PHYS_END    0x20000fff
 68 
 69 
 70 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
 71         { I2C_BOARD_INFO("wm8731", 0x1b), },    /* I2S audio codec */
 72         { I2C_BOARD_INFO("ne1619", 0x2d), },    /* adm1025-compat hwmon */
 73 };
 74 
 75 /* multifunction pins to assign to GPIO controller */
 76 static int db1300_gpio_pins[] __initdata = {
 77         AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
 78         AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
 79         AU1300_PIN_EXTCLK1,
 80         -1,     /* terminator */
 81 };
 82 
 83 /* multifunction pins to assign to device functions */
 84 static int db1300_dev_pins[] __initdata = {
 85         /* wake-from-str pins 0-3 */
 86         AU1300_PIN_WAKE0,
 87         /* external clock sources for PSC0 */
 88         AU1300_PIN_EXTCLK0,
 89         /* 8bit MMC interface on SD0: 6-9 */
 90         AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
 91         AU1300_PIN_SD0DAT7,
 92         /* UART1 pins: 11-18 */
 93         AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
 94         AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
 95         AU1300_PIN_U1RX, AU1300_PIN_U1TX,
 96         /* UART0 pins: 19-24 */
 97         AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
 98         AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
 99         /* UART2: 25-26 */
100         AU1300_PIN_U2RX, AU1300_PIN_U2TX,
101         /* UART3: 27-28 */
102         AU1300_PIN_U3RX, AU1300_PIN_U3TX,
103         /* LCD controller PWMs, ext pixclock: 30-31 */
104         AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
105         /* SD1 interface: 32-37 */
106         AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
107         AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
108         /* SD2 interface: 38-43 */
109         AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
110         AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
111         /* PSC0/1 clocks: 44-45 */
112         AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
113         /* PSCs: 46-49/50-53/54-57/58-61 */
114         AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
115         AU1300_PIN_PSC0D1,
116         AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
117         AU1300_PIN_PSC1D1,
118         AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
119         AU1300_PIN_PSC2D1,
120         AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
121         AU1300_PIN_PSC3D1,
122         /* PCMCIA interface: 62-70 */
123         AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
124         AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
125         AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
126         /* camera interface H/V sync inputs: 71-72 */
127         AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
128         /* PSC2/3 clocks: 73-74 */
129         AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
130         -1,     /* terminator */
131 };
132 
133 static void __init db1300_gpio_config(void)
134 {
135         int *i;
136 
137         i = &db1300_dev_pins[0];
138         while (*i != -1)
139                 au1300_pinfunc_to_dev(*i++);
140 
141         i = &db1300_gpio_pins[0];
142         while (*i != -1)
143                 au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
144 
145         au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
146 }
147 
148 /**********************************************************************/
149 
150 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
151                                  unsigned int ctrl)
152 {
153         struct nand_chip *this = mtd->priv;
154         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
155 
156         ioaddr &= 0xffffff00;
157 
158         if (ctrl & NAND_CLE) {
159                 ioaddr += MEM_STNAND_CMD;
160         } else if (ctrl & NAND_ALE) {
161                 ioaddr += MEM_STNAND_ADDR;
162         } else {
163                 /* assume we want to r/w real data  by default */
164                 ioaddr += MEM_STNAND_DATA;
165         }
166         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
167         if (cmd != NAND_CMD_NONE) {
168                 __raw_writeb(cmd, this->IO_ADDR_W);
169                 wmb();
170         }
171 }
172 
173 static int au1300_nand_device_ready(struct mtd_info *mtd)
174 {
175         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
176 }
177 
178 static struct mtd_partition db1300_nand_parts[] = {
179         {
180                 .name   = "NAND FS 0",
181                 .offset = 0,
182                 .size   = 8 * 1024 * 1024,
183         },
184         {
185                 .name   = "NAND FS 1",
186                 .offset = MTDPART_OFS_APPEND,
187                 .size   = MTDPART_SIZ_FULL
188         },
189 };
190 
191 struct platform_nand_data db1300_nand_platdata = {
192         .chip = {
193                 .nr_chips       = 1,
194                 .chip_offset    = 0,
195                 .nr_partitions  = ARRAY_SIZE(db1300_nand_parts),
196                 .partitions     = db1300_nand_parts,
197                 .chip_delay     = 20,
198         },
199         .ctrl = {
200                 .dev_ready      = au1300_nand_device_ready,
201                 .cmd_ctrl       = au1300_nand_cmd_ctrl,
202         },
203 };
204 
205 static struct resource db1300_nand_res[] = {
206         [0] = {
207                 .start  = DB1300_NAND_PHYS_ADDR,
208                 .end    = DB1300_NAND_PHYS_ADDR + 0xff,
209                 .flags  = IORESOURCE_MEM,
210         },
211 };
212 
213 static struct platform_device db1300_nand_dev = {
214         .name           = "gen_nand",
215         .num_resources  = ARRAY_SIZE(db1300_nand_res),
216         .resource       = db1300_nand_res,
217         .id             = -1,
218         .dev            = {
219                 .platform_data = &db1300_nand_platdata,
220         }
221 };
222 
223 /**********************************************************************/
224 
225 static struct resource db1300_eth_res[] = {
226         [0] = {
227                 .start          = DB1300_ETH_PHYS_ADDR,
228                 .end            = DB1300_ETH_PHYS_END,
229                 .flags          = IORESOURCE_MEM,
230         },
231         [1] = {
232                 .start          = DB1300_ETH_INT,
233                 .end            = DB1300_ETH_INT,
234                 .flags          = IORESOURCE_IRQ,
235         },
236 };
237 
238 static struct smsc911x_platform_config db1300_eth_config = {
239         .phy_interface          = PHY_INTERFACE_MODE_MII,
240         .irq_polarity           = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
241         .irq_type               = SMSC911X_IRQ_TYPE_PUSH_PULL,
242         .flags                  = SMSC911X_USE_32BIT,
243 };
244 
245 static struct platform_device db1300_eth_dev = {
246         .name                   = "smsc911x",
247         .id                     = -1,
248         .num_resources          = ARRAY_SIZE(db1300_eth_res),
249         .resource               = db1300_eth_res,
250         .dev = {
251                 .platform_data  = &db1300_eth_config,
252         },
253 };
254 
255 /**********************************************************************/
256 
257 static struct resource au1300_psc1_res[] = {
258         [0] = {
259                 .start  = AU1300_PSC1_PHYS_ADDR,
260                 .end    = AU1300_PSC1_PHYS_ADDR + 0x0fff,
261                 .flags  = IORESOURCE_MEM,
262         },
263         [1] = {
264                 .start  = AU1300_PSC1_INT,
265                 .end    = AU1300_PSC1_INT,
266                 .flags  = IORESOURCE_IRQ,
267         },
268         [2] = {
269                 .start  = AU1300_DSCR_CMD0_PSC1_TX,
270                 .end    = AU1300_DSCR_CMD0_PSC1_TX,
271                 .flags  = IORESOURCE_DMA,
272         },
273         [3] = {
274                 .start  = AU1300_DSCR_CMD0_PSC1_RX,
275                 .end    = AU1300_DSCR_CMD0_PSC1_RX,
276                 .flags  = IORESOURCE_DMA,
277         },
278 };
279 
280 static struct platform_device db1300_ac97_dev = {
281         .name           = "au1xpsc_ac97",
282         .id             = 1,    /* PSC ID. match with AC97 codec ID! */
283         .num_resources  = ARRAY_SIZE(au1300_psc1_res),
284         .resource       = au1300_psc1_res,
285 };
286 
287 /**********************************************************************/
288 
289 static struct resource au1300_psc2_res[] = {
290         [0] = {
291                 .start  = AU1300_PSC2_PHYS_ADDR,
292                 .end    = AU1300_PSC2_PHYS_ADDR + 0x0fff,
293                 .flags  = IORESOURCE_MEM,
294         },
295         [1] = {
296                 .start  = AU1300_PSC2_INT,
297                 .end    = AU1300_PSC2_INT,
298                 .flags  = IORESOURCE_IRQ,
299         },
300         [2] = {
301                 .start  = AU1300_DSCR_CMD0_PSC2_TX,
302                 .end    = AU1300_DSCR_CMD0_PSC2_TX,
303                 .flags  = IORESOURCE_DMA,
304         },
305         [3] = {
306                 .start  = AU1300_DSCR_CMD0_PSC2_RX,
307                 .end    = AU1300_DSCR_CMD0_PSC2_RX,
308                 .flags  = IORESOURCE_DMA,
309         },
310 };
311 
312 static struct platform_device db1300_i2s_dev = {
313         .name           = "au1xpsc_i2s",
314         .id             = 2,    /* PSC ID */
315         .num_resources  = ARRAY_SIZE(au1300_psc2_res),
316         .resource       = au1300_psc2_res,
317 };
318 
319 /**********************************************************************/
320 
321 static struct resource au1300_psc3_res[] = {
322         [0] = {
323                 .start  = AU1300_PSC3_PHYS_ADDR,
324                 .end    = AU1300_PSC3_PHYS_ADDR + 0x0fff,
325                 .flags  = IORESOURCE_MEM,
326         },
327         [1] = {
328                 .start  = AU1300_PSC3_INT,
329                 .end    = AU1300_PSC3_INT,
330                 .flags  = IORESOURCE_IRQ,
331         },
332         [2] = {
333                 .start  = AU1300_DSCR_CMD0_PSC3_TX,
334                 .end    = AU1300_DSCR_CMD0_PSC3_TX,
335                 .flags  = IORESOURCE_DMA,
336         },
337         [3] = {
338                 .start  = AU1300_DSCR_CMD0_PSC3_RX,
339                 .end    = AU1300_DSCR_CMD0_PSC3_RX,
340                 .flags  = IORESOURCE_DMA,
341         },
342 };
343 
344 static struct platform_device db1300_i2c_dev = {
345         .name           = "au1xpsc_smbus",
346         .id             = 0,    /* bus number */
347         .num_resources  = ARRAY_SIZE(au1300_psc3_res),
348         .resource       = au1300_psc3_res,
349 };
350 
351 /**********************************************************************/
352 
353 /* proper key assignments when facing the LCD panel.  For key assignments
354  * according to the schematics swap up with down and left with right.
355  * I chose to use it to emulate the arrow keys of a keyboard.
356  */
357 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
358         {
359                 .code                   = KEY_DOWN,
360                 .gpio                   = AU1300_PIN_LCDPWM0,
361                 .type                   = EV_KEY,
362                 .debounce_interval      = 1,
363                 .active_low             = 1,
364                 .desc                   = "5waysw-down",
365         },
366         {
367                 .code                   = KEY_UP,
368                 .gpio                   = AU1300_PIN_PSC2SYNC1,
369                 .type                   = EV_KEY,
370                 .debounce_interval      = 1,
371                 .active_low             = 1,
372                 .desc                   = "5waysw-up",
373         },
374         {
375                 .code                   = KEY_RIGHT,
376                 .gpio                   = AU1300_PIN_WAKE3,
377                 .type                   = EV_KEY,
378                 .debounce_interval      = 1,
379                 .active_low             = 1,
380                 .desc                   = "5waysw-right",
381         },
382         {
383                 .code                   = KEY_LEFT,
384                 .gpio                   = AU1300_PIN_WAKE2,
385                 .type                   = EV_KEY,
386                 .debounce_interval      = 1,
387                 .active_low             = 1,
388                 .desc                   = "5waysw-left",
389         },
390         {
391                 .code                   = KEY_ENTER,
392                 .gpio                   = AU1300_PIN_WAKE1,
393                 .type                   = EV_KEY,
394                 .debounce_interval      = 1,
395                 .active_low             = 1,
396                 .desc                   = "5waysw-push",
397         },
398 };
399 
400 static struct gpio_keys_platform_data db1300_5waysw_data = {
401         .buttons        = db1300_5waysw_arrowkeys,
402         .nbuttons       = ARRAY_SIZE(db1300_5waysw_arrowkeys),
403         .rep            = 1,
404         .name           = "db1300-5wayswitch",
405 };
406 
407 static struct platform_device db1300_5waysw_dev = {
408         .name           = "gpio-keys",
409         .dev    = {
410                 .platform_data  = &db1300_5waysw_data,
411         },
412 };
413 
414 /**********************************************************************/
415 
416 static struct pata_platform_info db1300_ide_info = {
417         .ioport_shift   = DB1300_IDE_REG_SHIFT,
418 };
419 
420 #define IDE_ALT_START   (14 << DB1300_IDE_REG_SHIFT)
421 static struct resource db1300_ide_res[] = {
422         [0] = {
423                 .start  = DB1300_IDE_PHYS_ADDR,
424                 .end    = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
425                 .flags  = IORESOURCE_MEM,
426         },
427         [1] = {
428                 .start  = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
429                 .end    = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
430                 .flags  = IORESOURCE_MEM,
431         },
432         [2] = {
433                 .start  = DB1300_IDE_INT,
434                 .end    = DB1300_IDE_INT,
435                 .flags  = IORESOURCE_IRQ,
436         },
437 };
438 
439 static struct platform_device db1300_ide_dev = {
440         .dev    = {
441                 .platform_data  = &db1300_ide_info,
442         },
443         .name           = "pata_platform",
444         .resource       = db1300_ide_res,
445         .num_resources  = ARRAY_SIZE(db1300_ide_res),
446 };
447 
448 /**********************************************************************/
449 
450 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
451 {
452         void(*mmc_cd)(struct mmc_host *, unsigned long);
453 
454         /* disable the one currently screaming. No other way to shut it up */
455         if (irq == DB1300_SD1_INSERT_INT) {
456                 disable_irq_nosync(DB1300_SD1_INSERT_INT);
457                 enable_irq(DB1300_SD1_EJECT_INT);
458         } else {
459                 disable_irq_nosync(DB1300_SD1_EJECT_INT);
460                 enable_irq(DB1300_SD1_INSERT_INT);
461         }
462 
463         /* link against CONFIG_MMC=m.  We can only be called once MMC core has
464          * initialized the controller, so symbol_get() should always succeed.
465          */
466         mmc_cd = symbol_get(mmc_detect_change);
467         mmc_cd(ptr, msecs_to_jiffies(500));
468         symbol_put(mmc_detect_change);
469 
470         return IRQ_HANDLED;
471 }
472 
473 static int db1300_mmc_card_readonly(void *mmc_host)
474 {
475         /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
476         return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
477 }
478 
479 static int db1300_mmc_card_inserted(void *mmc_host)
480 {
481         return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
482 }
483 
484 static int db1300_mmc_cd_setup(void *mmc_host, int en)
485 {
486         int ret;
487 
488         if (en) {
489                 ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
490                                   "sd_insert", mmc_host);
491                 if (ret)
492                         goto out;
493 
494                 ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
495                                   "sd_eject", mmc_host);
496                 if (ret) {
497                         free_irq(DB1300_SD1_INSERT_INT, mmc_host);
498                         goto out;
499                 }
500 
501                 if (db1300_mmc_card_inserted(mmc_host))
502                         enable_irq(DB1300_SD1_EJECT_INT);
503                 else
504                         enable_irq(DB1300_SD1_INSERT_INT);
505 
506         } else {
507                 free_irq(DB1300_SD1_INSERT_INT, mmc_host);
508                 free_irq(DB1300_SD1_EJECT_INT, mmc_host);
509         }
510         ret = 0;
511 out:
512         return ret;
513 }
514 
515 static void db1300_mmcled_set(struct led_classdev *led,
516                               enum led_brightness brightness)
517 {
518         if (brightness != LED_OFF)
519                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
520         else
521                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
522 }
523 
524 static struct led_classdev db1300_mmc_led = {
525         .brightness_set = db1300_mmcled_set,
526 };
527 
528 struct au1xmmc_platform_data db1300_sd1_platdata = {
529         .cd_setup       = db1300_mmc_cd_setup,
530         .card_inserted  = db1300_mmc_card_inserted,
531         .card_readonly  = db1300_mmc_card_readonly,
532         .led            = &db1300_mmc_led,
533 };
534 
535 static struct resource au1300_sd1_res[] = {
536         [0] = {
537                 .start  = AU1300_SD1_PHYS_ADDR,
538                 .end    = AU1300_SD1_PHYS_ADDR,
539                 .flags  = IORESOURCE_MEM,
540         },
541         [1] = {
542                 .start  = AU1300_SD1_INT,
543                 .end    = AU1300_SD1_INT,
544                 .flags  = IORESOURCE_IRQ,
545         },
546         [2] = {
547                 .start  = AU1300_DSCR_CMD0_SDMS_TX1,
548                 .end    = AU1300_DSCR_CMD0_SDMS_TX1,
549                 .flags  = IORESOURCE_DMA,
550         },
551         [3] = {
552                 .start  = AU1300_DSCR_CMD0_SDMS_RX1,
553                 .end    = AU1300_DSCR_CMD0_SDMS_RX1,
554                 .flags  = IORESOURCE_DMA,
555         },
556 };
557 
558 static struct platform_device db1300_sd1_dev = {
559         .dev = {
560                 .platform_data  = &db1300_sd1_platdata,
561         },
562         .name           = "au1xxx-mmc",
563         .id             = 1,
564         .resource       = au1300_sd1_res,
565         .num_resources  = ARRAY_SIZE(au1300_sd1_res),
566 };
567 
568 /**********************************************************************/
569 
570 static int db1300_movinand_inserted(void *mmc_host)
571 {
572         return 0; /* disable for now, it doesn't work yet */
573 }
574 
575 static int db1300_movinand_readonly(void *mmc_host)
576 {
577         return 0;
578 }
579 
580 static void db1300_movinand_led_set(struct led_classdev *led,
581                                     enum led_brightness brightness)
582 {
583         if (brightness != LED_OFF)
584                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
585         else
586                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
587 }
588 
589 static struct led_classdev db1300_movinand_led = {
590         .brightness_set         = db1300_movinand_led_set,
591 };
592 
593 struct au1xmmc_platform_data db1300_sd0_platdata = {
594         .card_inserted          = db1300_movinand_inserted,
595         .card_readonly          = db1300_movinand_readonly,
596         .led                    = &db1300_movinand_led,
597         .mask_host_caps         = MMC_CAP_NEEDS_POLL,
598 };
599 
600 static struct resource au1300_sd0_res[] = {
601         [0] = {
602                 .start  = AU1100_SD0_PHYS_ADDR,
603                 .end    = AU1100_SD0_PHYS_ADDR,
604                 .flags  = IORESOURCE_MEM,
605         },
606         [1] = {
607                 .start  = AU1300_SD0_INT,
608                 .end    = AU1300_SD0_INT,
609                 .flags  = IORESOURCE_IRQ,
610         },
611         [2] = {
612                 .start  = AU1300_DSCR_CMD0_SDMS_TX0,
613                 .end    = AU1300_DSCR_CMD0_SDMS_TX0,
614                 .flags  = IORESOURCE_DMA,
615         },
616         [3] = {
617                 .start  = AU1300_DSCR_CMD0_SDMS_RX0,
618                 .end    = AU1300_DSCR_CMD0_SDMS_RX0,
619                 .flags  = IORESOURCE_DMA,
620         },
621 };
622 
623 static struct platform_device db1300_sd0_dev = {
624         .dev = {
625                 .platform_data  = &db1300_sd0_platdata,
626         },
627         .name           = "au1xxx-mmc",
628         .id             = 0,
629         .resource       = au1300_sd0_res,
630         .num_resources  = ARRAY_SIZE(au1300_sd0_res),
631 };
632 
633 /**********************************************************************/
634 
635 static struct platform_device db1300_wm9715_dev = {
636         .name           = "wm9712-codec",
637         .id             = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
638 };
639 
640 static struct platform_device db1300_ac97dma_dev = {
641         .name           = "au1xpsc-pcm",
642         .id             = 1,    /* PSC ID */
643 };
644 
645 static struct platform_device db1300_i2sdma_dev = {
646         .name           = "au1xpsc-pcm",
647         .id             = 2,    /* PSC ID */
648 };
649 
650 static struct platform_device db1300_sndac97_dev = {
651         .name           = "db1300-ac97",
652 };
653 
654 static struct platform_device db1300_sndi2s_dev = {
655         .name           = "db1300-i2s",
656 };
657 
658 /**********************************************************************/
659 
660 static int db1300fb_panel_index(void)
661 {
662         return 9;       /* DB1300_800x480 */
663 }
664 
665 static int db1300fb_panel_init(void)
666 {
667         /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
668         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
669                              BCSR_BOARD_LCDBL);
670         return 0;
671 }
672 
673 static int db1300fb_panel_shutdown(void)
674 {
675         /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
676         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
677                              BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
678         return 0;
679 }
680 
681 static struct au1200fb_platdata db1300fb_pd = {
682         .panel_index    = db1300fb_panel_index,
683         .panel_init     = db1300fb_panel_init,
684         .panel_shutdown = db1300fb_panel_shutdown,
685 };
686 
687 static struct resource au1300_lcd_res[] = {
688         [0] = {
689                 .start  = AU1200_LCD_PHYS_ADDR,
690                 .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
691                 .flags  = IORESOURCE_MEM,
692         },
693         [1] = {
694                 .start  = AU1300_LCD_INT,
695                 .end    = AU1300_LCD_INT,
696                 .flags  = IORESOURCE_IRQ,
697         }
698 };
699 
700 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
701 
702 static struct platform_device db1300_lcd_dev = {
703         .name           = "au1200-lcd",
704         .id             = 0,
705         .dev = {
706                 .dma_mask               = &au1300_lcd_dmamask,
707                 .coherent_dma_mask      = DMA_BIT_MASK(32),
708                 .platform_data          = &db1300fb_pd,
709         },
710         .num_resources  = ARRAY_SIZE(au1300_lcd_res),
711         .resource       = au1300_lcd_res,
712 };
713 
714 /**********************************************************************/
715 
716 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
717 {
718         if (enable)
719                 enable_irq(DB1300_AC97_PEN_INT);
720         else
721                 disable_irq_nosync(DB1300_AC97_PEN_INT);
722 }
723 
724 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
725         .irq_enable     = db1300_wm97xx_irqen,
726         .irq_gpio       = WM97XX_GPIO_3,
727 };
728 
729 static int db1300_wm97xx_probe(struct platform_device *pdev)
730 {
731         struct wm97xx *wm = platform_get_drvdata(pdev);
732 
733         /* external pendown indicator */
734         wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
735                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
736                            WM97XX_GPIO_WAKE);
737 
738         /* internal "virtual" pendown gpio */
739         wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
740                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
741                            WM97XX_GPIO_NOWAKE);
742 
743         wm->pen_irq = DB1300_AC97_PEN_INT;
744 
745         return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
746 }
747 
748 static struct platform_driver db1300_wm97xx_driver = {
749         .driver.name    = "wm97xx-touch",
750         .driver.owner   = THIS_MODULE,
751         .probe          = db1300_wm97xx_probe,
752 };
753 
754 /**********************************************************************/
755 
756 static struct platform_device *db1300_dev[] __initdata = {
757         &db1300_eth_dev,
758         &db1300_i2c_dev,
759         &db1300_5waysw_dev,
760         &db1300_nand_dev,
761         &db1300_ide_dev,
762         &db1300_sd0_dev,
763         &db1300_sd1_dev,
764         &db1300_lcd_dev,
765         &db1300_ac97_dev,
766         &db1300_i2s_dev,
767         &db1300_wm9715_dev,
768         &db1300_ac97dma_dev,
769         &db1300_i2sdma_dev,
770         &db1300_sndac97_dev,
771         &db1300_sndi2s_dev,
772 };
773 
774 int __init db1300_dev_setup(void)
775 {
776         int swapped, cpldirq;
777         struct clk *c;
778 
779         /* setup CPLD IRQ muxer */
780         cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
781         irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
782         bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
783 
784         /* insert/eject IRQs: one always triggers so don't enable them
785          * when doing request_irq() on them.  DB1200 has this bug too.
786          */
787         irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
788         irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
789         irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
790         irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
791 
792         /*
793          * setup board
794          */
795         prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
796 
797         i2c_register_board_info(0, db1300_i2c_devs,
798                                 ARRAY_SIZE(db1300_i2c_devs));
799 
800         if (platform_driver_register(&db1300_wm97xx_driver))
801                 pr_warn("DB1300: failed to init touch pen irq support!\n");
802 
803         /* Audio PSC clock is supplied by codecs (PSC1, 2) */
804         __raw_writel(PSC_SEL_CLK_SERCLK,
805             (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
806         wmb();
807         __raw_writel(PSC_SEL_CLK_SERCLK,
808             (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
809         wmb();
810         /* I2C driver wants 50MHz, get as close as possible */
811         c = clk_get(NULL, "psc3_intclk");
812         if (!IS_ERR(c)) {
813                 clk_set_rate(c, 50000000);
814                 clk_prepare_enable(c);
815                 clk_put(c);
816         }
817         __raw_writel(PSC_SEL_CLK_INTCLK,
818             (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
819         wmb();
820 
821         /* enable power to USB ports */
822         bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
823 
824         /* although it is socket #0, it uses the CPLD bits which previous boards
825          * have used for socket #1.
826          */
827         db1x_register_pcmcia_socket(
828                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
829                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
830                 AU1000_PCMCIA_MEM_PHYS_ADDR,
831                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
832                 AU1000_PCMCIA_IO_PHYS_ADDR,
833                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
834                 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
835 
836         swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
837         db1x_register_norflash(64 << 20, 2, swapped);
838 
839         return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
840 }
841 
842 
843 int __init db1300_board_setup(void)
844 {
845         unsigned short whoami;
846 
847         bcsr_init(DB1300_BCSR_PHYS_ADDR,
848                   DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
849 
850         whoami = bcsr_read(BCSR_WHOAMI);
851         if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
852                 return -ENODEV;
853 
854         db1300_gpio_config();
855 
856         printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
857                 "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
858                 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
859                 BCSR_WHOAMI_DCID(whoami));
860 
861         /* enable UARTs, YAMON only enables #2 */
862         alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
863         alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
864         alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
865 
866         return 0;
867 }
868 

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