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/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 }