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