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/interrupt.h>
  17 #include <linux/ata_platform.h>
  18 #include <linux/mmc/host.h>
  19 #include <linux/module.h>
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/rawnand.h>
  22 #include <linux/mtd/partitions.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/smsc911x.h>
  25 #include <linux/wm97xx.h>
  26
  27 #include <asm/mach-au1x00/au1000.h>
  28 #include <asm/mach-au1x00/gpio-au1300.h>
  29 #include <asm/mach-au1x00/au1100_mmc.h>
  30 #include <asm/mach-au1x00/au1200fb.h>
  31 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  32 #include <asm/mach-au1x00/au1xxx_psc.h>
  33 #include <asm/mach-db1x00/bcsr.h>
  34 #include <asm/mach-au1x00/prom.h>
  35
  36 #include "platform.h"
  37
  38 /* FPGA (external mux) interrupt sources */
  39 #define DB1300_FIRST_INT        (ALCHEMY_GPIC_INT_LAST + 1)
  40 #define DB1300_IDE_INT          (DB1300_FIRST_INT + 0)
  41 #define DB1300_ETH_INT          (DB1300_FIRST_INT + 1)
  42 #define DB1300_CF_INT           (DB1300_FIRST_INT + 2)
  43 #define DB1300_VIDEO_INT        (DB1300_FIRST_INT + 4)
  44 #define DB1300_HDMI_INT         (DB1300_FIRST_INT + 5)
  45 #define DB1300_DC_INT           (DB1300_FIRST_INT + 6)
  46 #define DB1300_FLASH_INT        (DB1300_FIRST_INT + 7)
  47 #define DB1300_CF_INSERT_INT    (DB1300_FIRST_INT + 8)
  48 #define DB1300_CF_EJECT_INT     (DB1300_FIRST_INT + 9)
  49 #define DB1300_AC97_INT         (DB1300_FIRST_INT + 10)
  50 #define DB1300_AC97_PEN_INT     (DB1300_FIRST_INT + 11)
  51 #define DB1300_SD1_INSERT_INT   (DB1300_FIRST_INT + 12)
  52 #define DB1300_SD1_EJECT_INT    (DB1300_FIRST_INT + 13)
  53 #define DB1300_OTG_VBUS_OC_INT  (DB1300_FIRST_INT + 14)
  54 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
  55 #define DB1300_LAST_INT         (DB1300_FIRST_INT + 15)
  56
  57 /* SMSC9210 CS */
  58 #define DB1300_ETH_PHYS_ADDR    0x19000000
  59 #define DB1300_ETH_PHYS_END     0x197fffff
  60
  61 /* ATA CS */
  62 #define DB1300_IDE_PHYS_ADDR    0x18800000
  63 #define DB1300_IDE_REG_SHIFT    5
  64 #define DB1300_IDE_PHYS_LEN     (16 << DB1300_IDE_REG_SHIFT)
  65
  66 /* NAND CS */
  67 #define DB1300_NAND_PHYS_ADDR   0x20000000
  68 #define DB1300_NAND_PHYS_END    0x20000fff
  69
  70
  71 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
  72         { I2C_BOARD_INFO("wm8731", 0x1b), },    /* I2S audio codec */
  73         { I2C_BOARD_INFO("ne1619", 0x2d), },    /* adm1025-compat hwmon */
  74 };
  75
  76 /* multifunction pins to assign to GPIO controller */
  77 static int db1300_gpio_pins[] __initdata = {
  78         AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
  79         AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
  80         AU1300_PIN_EXTCLK1,
  81         -1,     /* terminator */
  82 };
  83
  84 /* multifunction pins to assign to device functions */
  85 static int db1300_dev_pins[] __initdata = {
  86         /* wake-from-str pins 0-3 */
  87         AU1300_PIN_WAKE0,
  88         /* external clock sources for PSC0 */
  89         AU1300_PIN_EXTCLK0,
  90         /* 8bit MMC interface on SD0: 6-9 */
  91         AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
  92         AU1300_PIN_SD0DAT7,
  93         /* UART1 pins: 11-18 */
  94         AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
  95         AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
  96         AU1300_PIN_U1RX, AU1300_PIN_U1TX,
  97         /* UART0 pins: 19-24 */
  98         AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
  99         AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
 100         /* UART2: 25-26 */
 101         AU1300_PIN_U2RX, AU1300_PIN_U2TX,
 102         /* UART3: 27-28 */
 103         AU1300_PIN_U3RX, AU1300_PIN_U3TX,
 104         /* LCD controller PWMs, ext pixclock: 30-31 */
 105         AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
 106         /* SD1 interface: 32-37 */
 107         AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
 108         AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
 109         /* SD2 interface: 38-43 */
 110         AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
 111         AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
 112         /* PSC0/1 clocks: 44-45 */
 113         AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
 114         /* PSCs: 46-49/50-53/54-57/58-61 */
 115         AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
 116         AU1300_PIN_PSC0D1,
 117         AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
 118         AU1300_PIN_PSC1D1,
 119         AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
 120         AU1300_PIN_PSC2D1,
 121         AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
 122         AU1300_PIN_PSC3D1,
 123         /* PCMCIA interface: 62-70 */
 124         AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
 125         AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
 126         AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
 127         /* camera interface H/V sync inputs: 71-72 */
 128         AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
 129         /* PSC2/3 clocks: 73-74 */
 130         AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
 131         -1,     /* terminator */
 132 };
 133
 134 static void __init db1300_gpio_config(void)
 135 {
 136         int *i;
 137
 138         i = &db1300_dev_pins[0];
 139         while (*i != -1)
 140                 au1300_pinfunc_to_dev(*i++);
 141
 142         i = &db1300_gpio_pins[0];
 143         while (*i != -1)
 144                 au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
 145
 146         au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
 147 }
 148
 149 /**********************************************************************/
 150
 151 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 152                                  unsigned int ctrl)
 153 {
 154         struct nand_chip *this = mtd_to_nand(mtd);
 155         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 156
 157         ioaddr &= 0xffffff00;
 158
 159         if (ctrl & NAND_CLE) {
 160                 ioaddr += MEM_STNAND_CMD;
 161         } else if (ctrl & NAND_ALE) {
 162                 ioaddr += MEM_STNAND_ADDR;
 163         } else {
 164                 /* assume we want to r/w real data  by default */
 165                 ioaddr += MEM_STNAND_DATA;
 166         }
 167         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
 168         if (cmd != NAND_CMD_NONE) {
 169                 __raw_writeb(cmd, this->IO_ADDR_W);
 170                 wmb();
 171         }
 172 }
 173
 174 static int au1300_nand_device_ready(struct mtd_info *mtd)
 175 {
 176         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
 177 }
 178
 179 static struct mtd_partition db1300_nand_parts[] = {
 180         {
 181                 .name   = "NAND FS 0",
 182                 .offset = 0,
 183                 .size   = 8 * 1024 * 1024,
 184         },
 185         {
 186                 .name   = "NAND FS 1",
 187                 .offset = MTDPART_OFS_APPEND,
 188                 .size   = MTDPART_SIZ_FULL
 189         },
 190 };
 191
 192 struct platform_nand_data db1300_nand_platdata = {
 193         .chip = {
 194                 .nr_chips       = 1,
 195                 .chip_offset    = 0,
 196                 .nr_partitions  = ARRAY_SIZE(db1300_nand_parts),
 197                 .partitions     = db1300_nand_parts,
 198                 .chip_delay     = 20,
 199         },
 200         .ctrl = {
 201                 .dev_ready      = au1300_nand_device_ready,
 202                 .cmd_ctrl       = au1300_nand_cmd_ctrl,
 203         },
 204 };
 205
 206 static struct resource db1300_nand_res[] = {
 207         [0] = {
 208                 .start  = DB1300_NAND_PHYS_ADDR,
 209                 .end    = DB1300_NAND_PHYS_ADDR + 0xff,
 210                 .flags  = IORESOURCE_MEM,
 211         },
 212 };
 213
 214 static struct platform_device db1300_nand_dev = {
 215         .name           = "gen_nand",
 216         .num_resources  = ARRAY_SIZE(db1300_nand_res),
 217         .resource       = db1300_nand_res,
 218         .id             = -1,
 219         .dev            = {
 220                 .platform_data = &db1300_nand_platdata,
 221         }
 222 };
 223
 224 /**********************************************************************/
 225
 226 static struct resource db1300_eth_res[] = {
 227         [0] = {
 228                 .start          = DB1300_ETH_PHYS_ADDR,
 229                 .end            = DB1300_ETH_PHYS_END,
 230                 .flags          = IORESOURCE_MEM,
 231         },
 232         [1] = {
 233                 .start          = DB1300_ETH_INT,
 234                 .end            = DB1300_ETH_INT,
 235                 .flags          = IORESOURCE_IRQ,
 236         },
 237 };
 238
 239 static struct smsc911x_platform_config db1300_eth_config = {
 240         .phy_interface          = PHY_INTERFACE_MODE_MII,
 241         .irq_polarity           = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 242         .irq_type               = SMSC911X_IRQ_TYPE_PUSH_PULL,
 243         .flags                  = SMSC911X_USE_32BIT,
 244 };
 245
 246 static struct platform_device db1300_eth_dev = {
 247         .name                   = "smsc911x",
 248         .id                     = -1,
 249         .num_resources          = ARRAY_SIZE(db1300_eth_res),
 250         .resource               = db1300_eth_res,
 251         .dev = {
 252                 .platform_data  = &db1300_eth_config,
 253         },
 254 };
 255
 256 /**********************************************************************/
 257
 258 static struct resource au1300_psc1_res[] = {
 259         [0] = {
 260                 .start  = AU1300_PSC1_PHYS_ADDR,
 261                 .end    = AU1300_PSC1_PHYS_ADDR + 0x0fff,
 262                 .flags  = IORESOURCE_MEM,
 263         },
 264         [1] = {
 265                 .start  = AU1300_PSC1_INT,
 266                 .end    = AU1300_PSC1_INT,
 267                 .flags  = IORESOURCE_IRQ,
 268         },
 269         [2] = {
 270                 .start  = AU1300_DSCR_CMD0_PSC1_TX,
 271                 .end    = AU1300_DSCR_CMD0_PSC1_TX,
 272                 .flags  = IORESOURCE_DMA,
 273         },
 274         [3] = {
 275                 .start  = AU1300_DSCR_CMD0_PSC1_RX,
 276                 .end    = AU1300_DSCR_CMD0_PSC1_RX,
 277                 .flags  = IORESOURCE_DMA,
 278         },
 279 };
 280
 281 static struct platform_device db1300_ac97_dev = {
 282         .name           = "au1xpsc_ac97",
 283         .id             = 1,    /* PSC ID. match with AC97 codec ID! */
 284         .num_resources  = ARRAY_SIZE(au1300_psc1_res),
 285         .resource       = au1300_psc1_res,
 286 };
 287
 288 /**********************************************************************/
 289
 290 static struct resource au1300_psc2_res[] = {
 291         [0] = {
 292                 .start  = AU1300_PSC2_PHYS_ADDR,
 293                 .end    = AU1300_PSC2_PHYS_ADDR + 0x0fff,
 294                 .flags  = IORESOURCE_MEM,
 295         },
 296         [1] = {
 297                 .start  = AU1300_PSC2_INT,
 298                 .end    = AU1300_PSC2_INT,
 299                 .flags  = IORESOURCE_IRQ,
 300         },
 301         [2] = {
 302                 .start  = AU1300_DSCR_CMD0_PSC2_TX,
 303                 .end    = AU1300_DSCR_CMD0_PSC2_TX,
 304                 .flags  = IORESOURCE_DMA,
 305         },
 306         [3] = {
 307                 .start  = AU1300_DSCR_CMD0_PSC2_RX,
 308                 .end    = AU1300_DSCR_CMD0_PSC2_RX,
 309                 .flags  = IORESOURCE_DMA,
 310         },
 311 };
 312
 313 static struct platform_device db1300_i2s_dev = {
 314         .name           = "au1xpsc_i2s",
 315         .id             = 2,    /* PSC ID */
 316         .num_resources  = ARRAY_SIZE(au1300_psc2_res),
 317         .resource       = au1300_psc2_res,
 318 };
 319
 320 /**********************************************************************/
 321
 322 static struct resource au1300_psc3_res[] = {
 323         [0] = {
 324                 .start  = AU1300_PSC3_PHYS_ADDR,
 325                 .end    = AU1300_PSC3_PHYS_ADDR + 0x0fff,
 326                 .flags  = IORESOURCE_MEM,
 327         },
 328         [1] = {
 329                 .start  = AU1300_PSC3_INT,
 330                 .end    = AU1300_PSC3_INT,
 331                 .flags  = IORESOURCE_IRQ,
 332         },
 333         [2] = {
 334                 .start  = AU1300_DSCR_CMD0_PSC3_TX,
 335                 .end    = AU1300_DSCR_CMD0_PSC3_TX,
 336                 .flags  = IORESOURCE_DMA,
 337         },
 338         [3] = {
 339                 .start  = AU1300_DSCR_CMD0_PSC3_RX,
 340                 .end    = AU1300_DSCR_CMD0_PSC3_RX,
 341                 .flags  = IORESOURCE_DMA,
 342         },
 343 };
 344
 345 static struct platform_device db1300_i2c_dev = {
 346         .name           = "au1xpsc_smbus",
 347         .id             = 0,    /* bus number */
 348         .num_resources  = ARRAY_SIZE(au1300_psc3_res),
 349         .resource       = au1300_psc3_res,
 350 };
 351
 352 /**********************************************************************/
 353
 354 /* proper key assignments when facing the LCD panel.  For key assignments
 355  * according to the schematics swap up with down and left with right.
 356  * I chose to use it to emulate the arrow keys of a keyboard.
 357  */
 358 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
 359         {
 360                 .code                   = KEY_DOWN,
 361                 .gpio                   = AU1300_PIN_LCDPWM0,
 362                 .type                   = EV_KEY,
 363                 .debounce_interval      = 1,
 364                 .active_low             = 1,
 365                 .desc                   = "5waysw-down",
 366         },
 367         {
 368                 .code                   = KEY_UP,
 369                 .gpio                   = AU1300_PIN_PSC2SYNC1,
 370                 .type                   = EV_KEY,
 371                 .debounce_interval      = 1,
 372                 .active_low             = 1,
 373                 .desc                   = "5waysw-up",
 374         },
 375         {
 376                 .code                   = KEY_RIGHT,
 377                 .gpio                   = AU1300_PIN_WAKE3,
 378                 .type                   = EV_KEY,
 379                 .debounce_interval      = 1,
 380                 .active_low             = 1,
 381                 .desc                   = "5waysw-right",
 382         },
 383         {
 384                 .code                   = KEY_LEFT,
 385                 .gpio                   = AU1300_PIN_WAKE2,
 386                 .type                   = EV_KEY,
 387                 .debounce_interval      = 1,
 388                 .active_low             = 1,
 389                 .desc                   = "5waysw-left",
 390         },
 391         {
 392                 .code                   = KEY_ENTER,
 393                 .gpio                   = AU1300_PIN_WAKE1,
 394                 .type                   = EV_KEY,
 395                 .debounce_interval      = 1,
 396                 .active_low             = 1,
 397                 .desc                   = "5waysw-push",
 398         },
 399 };
 400
 401 static struct gpio_keys_platform_data db1300_5waysw_data = {
 402         .buttons        = db1300_5waysw_arrowkeys,
 403         .nbuttons       = ARRAY_SIZE(db1300_5waysw_arrowkeys),
 404         .rep            = 1,
 405         .name           = "db1300-5wayswitch",
 406 };
 407
 408 static struct platform_device db1300_5waysw_dev = {
 409         .name           = "gpio-keys",
 410         .dev    = {
 411                 .platform_data  = &db1300_5waysw_data,
 412         },
 413 };
 414
 415 /**********************************************************************/
 416
 417 static struct pata_platform_info db1300_ide_info = {
 418         .ioport_shift   = DB1300_IDE_REG_SHIFT,
 419 };
 420
 421 #define IDE_ALT_START   (14 << DB1300_IDE_REG_SHIFT)
 422 static struct resource db1300_ide_res[] = {
 423         [0] = {
 424                 .start  = DB1300_IDE_PHYS_ADDR,
 425                 .end    = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
 426                 .flags  = IORESOURCE_MEM,
 427         },
 428         [1] = {
 429                 .start  = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
 430                 .end    = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
 431                 .flags  = IORESOURCE_MEM,
 432         },
 433         [2] = {
 434                 .start  = DB1300_IDE_INT,
 435                 .end    = DB1300_IDE_INT,
 436                 .flags  = IORESOURCE_IRQ,
 437         },
 438 };
 439
 440 static struct platform_device db1300_ide_dev = {
 441         .dev    = {
 442                 .platform_data  = &db1300_ide_info,
 443         },
 444         .name           = "pata_platform",
 445         .resource       = db1300_ide_res,
 446         .num_resources  = ARRAY_SIZE(db1300_ide_res),
 447 };
 448
 449 /**********************************************************************/
 450
 451 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
 452 {
 453         void(*mmc_cd)(struct mmc_host *, unsigned long);
 454
 455         /* disable the one currently screaming. No other way to shut it up */
 456         if (irq == DB1300_SD1_INSERT_INT) {
 457                 disable_irq_nosync(DB1300_SD1_INSERT_INT);
 458                 enable_irq(DB1300_SD1_EJECT_INT);
 459         } else {
 460                 disable_irq_nosync(DB1300_SD1_EJECT_INT);
 461                 enable_irq(DB1300_SD1_INSERT_INT);
 462         }
 463
 464         /* link against CONFIG_MMC=m.  We can only be called once MMC core has
 465          * initialized the controller, so symbol_get() should always succeed.
 466          */
 467         mmc_cd = symbol_get(mmc_detect_change);
 468         mmc_cd(ptr, msecs_to_jiffies(500));
 469         symbol_put(mmc_detect_change);
 470
 471         return IRQ_HANDLED;
 472 }
 473
 474 static int db1300_mmc_card_readonly(void *mmc_host)
 475 {
 476         /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
 477         return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
 478 }
 479
 480 static int db1300_mmc_card_inserted(void *mmc_host)
 481 {
 482         return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
 483 }
 484
 485 static int db1300_mmc_cd_setup(void *mmc_host, int en)
 486 {
 487         int ret;
 488
 489         if (en) {
 490                 ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0,
 491                                   "sd_insert", mmc_host);
 492                 if (ret)
 493                         goto out;
 494
 495                 ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0,
 496                                   "sd_eject", mmc_host);
 497                 if (ret) {
 498                         free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 499                         goto out;
 500                 }
 501
 502                 if (db1300_mmc_card_inserted(mmc_host))
 503                         enable_irq(DB1300_SD1_EJECT_INT);
 504                 else
 505                         enable_irq(DB1300_SD1_INSERT_INT);
 506
 507         } else {
 508                 free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 509                 free_irq(DB1300_SD1_EJECT_INT, mmc_host);
 510         }
 511         ret = 0;
 512 out:
 513         return ret;
 514 }
 515
 516 static void db1300_mmcled_set(struct led_classdev *led,
 517                               enum led_brightness brightness)
 518 {
 519         if (brightness != LED_OFF)
 520                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
 521         else
 522                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
 523 }
 524
 525 static struct led_classdev db1300_mmc_led = {
 526         .brightness_set = db1300_mmcled_set,
 527 };
 528
 529 struct au1xmmc_platform_data db1300_sd1_platdata = {
 530         .cd_setup       = db1300_mmc_cd_setup,
 531         .card_inserted  = db1300_mmc_card_inserted,
 532         .card_readonly  = db1300_mmc_card_readonly,
 533         .led            = &db1300_mmc_led,
 534 };
 535
 536 static struct resource au1300_sd1_res[] = {
 537         [0] = {
 538                 .start  = AU1300_SD1_PHYS_ADDR,
 539                 .end    = AU1300_SD1_PHYS_ADDR,
 540                 .flags  = IORESOURCE_MEM,
 541         },
 542         [1] = {
 543                 .start  = AU1300_SD1_INT,
 544                 .end    = AU1300_SD1_INT,
 545                 .flags  = IORESOURCE_IRQ,
 546         },
 547         [2] = {
 548                 .start  = AU1300_DSCR_CMD0_SDMS_TX1,
 549                 .end    = AU1300_DSCR_CMD0_SDMS_TX1,
 550                 .flags  = IORESOURCE_DMA,
 551         },
 552         [3] = {
 553                 .start  = AU1300_DSCR_CMD0_SDMS_RX1,
 554                 .end    = AU1300_DSCR_CMD0_SDMS_RX1,
 555                 .flags  = IORESOURCE_DMA,
 556         },
 557 };
 558
 559 static struct platform_device db1300_sd1_dev = {
 560         .dev = {
 561                 .platform_data  = &db1300_sd1_platdata,
 562         },
 563         .name           = "au1xxx-mmc",
 564         .id             = 1,
 565         .resource       = au1300_sd1_res,
 566         .num_resources  = ARRAY_SIZE(au1300_sd1_res),
 567 };
 568
 569 /**********************************************************************/
 570
 571 static int db1300_movinand_inserted(void *mmc_host)
 572 {
 573         return 0; /* disable for now, it doesn't work yet */
 574 }
 575
 576 static int db1300_movinand_readonly(void *mmc_host)
 577 {
 578         return 0;
 579 }
 580
 581 static void db1300_movinand_led_set(struct led_classdev *led,
 582                                     enum led_brightness brightness)
 583 {
 584         if (brightness != LED_OFF)
 585                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
 586         else
 587                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
 588 }
 589
 590 static struct led_classdev db1300_movinand_led = {
 591         .brightness_set         = db1300_movinand_led_set,
 592 };
 593
 594 struct au1xmmc_platform_data db1300_sd0_platdata = {
 595         .card_inserted          = db1300_movinand_inserted,
 596         .card_readonly          = db1300_movinand_readonly,
 597         .led                    = &db1300_movinand_led,
 598         .mask_host_caps         = MMC_CAP_NEEDS_POLL,
 599 };
 600
 601 static struct resource au1300_sd0_res[] = {
 602         [0] = {
 603                 .start  = AU1100_SD0_PHYS_ADDR,
 604                 .end    = AU1100_SD0_PHYS_ADDR,
 605                 .flags  = IORESOURCE_MEM,
 606         },
 607         [1] = {
 608                 .start  = AU1300_SD0_INT,
 609                 .end    = AU1300_SD0_INT,
 610                 .flags  = IORESOURCE_IRQ,
 611         },
 612         [2] = {
 613                 .start  = AU1300_DSCR_CMD0_SDMS_TX0,
 614                 .end    = AU1300_DSCR_CMD0_SDMS_TX0,
 615                 .flags  = IORESOURCE_DMA,
 616         },
 617         [3] = {
 618                 .start  = AU1300_DSCR_CMD0_SDMS_RX0,
 619                 .end    = AU1300_DSCR_CMD0_SDMS_RX0,
 620                 .flags  = IORESOURCE_DMA,
 621         },
 622 };
 623
 624 static struct platform_device db1300_sd0_dev = {
 625         .dev = {
 626                 .platform_data  = &db1300_sd0_platdata,
 627         },
 628         .name           = "au1xxx-mmc",
 629         .id             = 0,
 630         .resource       = au1300_sd0_res,
 631         .num_resources  = ARRAY_SIZE(au1300_sd0_res),
 632 };
 633
 634 /**********************************************************************/
 635
 636 static struct platform_device db1300_wm9715_dev = {
 637         .name           = "wm9712-codec",
 638         .id             = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
 639 };
 640
 641 static struct platform_device db1300_ac97dma_dev = {
 642         .name           = "au1xpsc-pcm",
 643         .id             = 1,    /* PSC ID */
 644 };
 645
 646 static struct platform_device db1300_i2sdma_dev = {
 647         .name           = "au1xpsc-pcm",
 648         .id             = 2,    /* PSC ID */
 649 };
 650
 651 static struct platform_device db1300_sndac97_dev = {
 652         .name           = "db1300-ac97",
 653 };
 654
 655 static struct platform_device db1300_sndi2s_dev = {
 656         .name           = "db1300-i2s",
 657 };
 658
 659 /**********************************************************************/
 660
 661 static int db1300fb_panel_index(void)
 662 {
 663         return 9;       /* DB1300_800x480 */
 664 }
 665
 666 static int db1300fb_panel_init(void)
 667 {
 668         /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 669         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
 670                              BCSR_BOARD_LCDBL);
 671         return 0;
 672 }
 673
 674 static int db1300fb_panel_shutdown(void)
 675 {
 676         /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 677         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
 678                              BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
 679         return 0;
 680 }
 681
 682 static struct au1200fb_platdata db1300fb_pd = {
 683         .panel_index    = db1300fb_panel_index,
 684         .panel_init     = db1300fb_panel_init,
 685         .panel_shutdown = db1300fb_panel_shutdown,
 686 };
 687
 688 static struct resource au1300_lcd_res[] = {
 689         [0] = {
 690                 .start  = AU1200_LCD_PHYS_ADDR,
 691                 .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
 692                 .flags  = IORESOURCE_MEM,
 693         },
 694         [1] = {
 695                 .start  = AU1300_LCD_INT,
 696                 .end    = AU1300_LCD_INT,
 697                 .flags  = IORESOURCE_IRQ,
 698         }
 699 };
 700
 701 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
 702
 703 static struct platform_device db1300_lcd_dev = {
 704         .name           = "au1200-lcd",
 705         .id             = 0,
 706         .dev = {
 707                 .dma_mask               = &au1300_lcd_dmamask,
 708                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 709                 .platform_data          = &db1300fb_pd,
 710         },
 711         .num_resources  = ARRAY_SIZE(au1300_lcd_res),
 712         .resource       = au1300_lcd_res,
 713 };
 714
 715 /**********************************************************************/
 716
 717 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
 718 {
 719         if (enable)
 720                 enable_irq(DB1300_AC97_PEN_INT);
 721         else
 722                 disable_irq_nosync(DB1300_AC97_PEN_INT);
 723 }
 724
 725 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
 726         .irq_enable     = db1300_wm97xx_irqen,
 727         .irq_gpio       = WM97XX_GPIO_3,
 728 };
 729
 730 static int db1300_wm97xx_probe(struct platform_device *pdev)
 731 {
 732         struct wm97xx *wm = platform_get_drvdata(pdev);
 733
 734         /* external pendown indicator */
 735         wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
 736                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
 737                            WM97XX_GPIO_WAKE);
 738
 739         /* internal "virtual" pendown gpio */
 740         wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
 741                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
 742                            WM97XX_GPIO_NOWAKE);
 743
 744         wm->pen_irq = DB1300_AC97_PEN_INT;
 745
 746         return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
 747 }
 748
 749 static struct platform_driver db1300_wm97xx_driver = {
 750         .driver.name    = "wm97xx-touch",
 751         .driver.owner   = THIS_MODULE,
 752         .probe          = db1300_wm97xx_probe,
 753 };
 754
 755 /**********************************************************************/
 756
 757 static struct platform_device *db1300_dev[] __initdata = {
 758         &db1300_eth_dev,
 759         &db1300_i2c_dev,
 760         &db1300_5waysw_dev,
 761         &db1300_nand_dev,
 762         &db1300_ide_dev,
 763         &db1300_sd0_dev,
 764         &db1300_sd1_dev,
 765         &db1300_lcd_dev,
 766         &db1300_ac97_dev,
 767         &db1300_i2s_dev,
 768         &db1300_wm9715_dev,
 769         &db1300_ac97dma_dev,
 770         &db1300_i2sdma_dev,
 771         &db1300_sndac97_dev,
 772         &db1300_sndi2s_dev,
 773 };
 774
 775 int __init db1300_dev_setup(void)
 776 {
 777         int swapped, cpldirq;
 778         struct clk *c;
 779
 780         /* setup CPLD IRQ muxer */
 781         cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
 782         irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
 783         bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
 784
 785         /* insert/eject IRQs: one always triggers so don't enable them
 786          * when doing request_irq() on them.  DB1200 has this bug too.
 787          */
 788         irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
 789         irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
 790         irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
 791         irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
 792
 793         /*
 794          * setup board
 795          */
 796         prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
 797
 798         i2c_register_board_info(0, db1300_i2c_devs,
 799                                 ARRAY_SIZE(db1300_i2c_devs));
 800
 801         if (platform_driver_register(&db1300_wm97xx_driver))
 802                 pr_warn("DB1300: failed to init touch pen irq support!\n");
 803
 804         /* Audio PSC clock is supplied by codecs (PSC1, 2) */
 805         __raw_writel(PSC_SEL_CLK_SERCLK,
 806             (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 807         wmb();
 808         __raw_writel(PSC_SEL_CLK_SERCLK,
 809             (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
 810         wmb();
 811         /* I2C driver wants 50MHz, get as close as possible */
 812         c = clk_get(NULL, "psc3_intclk");
 813         if (!IS_ERR(c)) {
 814                 clk_set_rate(c, 50000000);
 815                 clk_prepare_enable(c);
 816                 clk_put(c);
 817         }
 818         __raw_writel(PSC_SEL_CLK_INTCLK,
 819             (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
 820         wmb();
 821
 822         /* enable power to USB ports */
 823         bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
 824
 825         /* although it is socket #0, it uses the CPLD bits which previous boards
 826          * have used for socket #1.
 827          */
 828         db1x_register_pcmcia_socket(
 829                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 830                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
 831                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 832                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
 833                 AU1000_PCMCIA_IO_PHYS_ADDR,
 834                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
 835                 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
 836
 837         swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
 838         db1x_register_norflash(64 << 20, 2, swapped);
 839
 840         return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
 841 }
 842
 843
 844 int __init db1300_board_setup(void)
 845 {
 846         unsigned short whoami;
 847
 848         bcsr_init(DB1300_BCSR_PHYS_ADDR,
 849                   DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
 850
 851         whoami = bcsr_read(BCSR_WHOAMI);
 852         if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
 853                 return -ENODEV;
 854
 855         db1300_gpio_config();
 856
 857         printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
 858                 "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
 859                 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
 860                 BCSR_WHOAMI_DCID(whoami));
 861
 862         /* enable UARTs, YAMON only enables #2 */
 863         alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
 864         alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
 865         alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
 866
 867         return 0;
 868 }