arch/mips/alchemy/devboards/db1300.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * DBAu1300 init and platform device setup.
   4  *
   5  * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com>
   6  */
   7
   8 #include <linux/clk.h>
   9 #include <linux/dma-mapping.h>
  10 #include <linux/gpio.h>
  11 #include <linux/gpio_keys.h>
  12 #include <linux/init.h>
  13 #include <linux/input.h>        /* KEY_* codes */
  14 #include <linux/i2c.h>
  15 #include <linux/io.h>
  16 #include <linux/leds.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/ata_platform.h>
  19 #include <linux/mmc/host.h>
  20 #include <linux/module.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/rawnand.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/smsc911x.h>
  26 #include <linux/wm97xx.h>
  27
  28 #include <asm/mach-au1x00/au1000.h>
  29 #include <asm/mach-au1x00/gpio-au1300.h>
  30 #include <asm/mach-au1x00/au1100_mmc.h>
  31 #include <asm/mach-au1x00/au1200fb.h>
  32 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  33 #include <asm/mach-au1x00/au1xxx_psc.h>
  34 #include <asm/mach-db1x00/bcsr.h>
  35 #include <asm/mach-au1x00/prom.h>
  36
  37 #include "platform.h"
  38
  39 /* FPGA (external mux) interrupt sources */
  40 #define DB1300_FIRST_INT        (ALCHEMY_GPIC_INT_LAST + 1)
  41 #define DB1300_IDE_INT          (DB1300_FIRST_INT + 0)
  42 #define DB1300_ETH_INT          (DB1300_FIRST_INT + 1)
  43 #define DB1300_CF_INT           (DB1300_FIRST_INT + 2)
  44 #define DB1300_VIDEO_INT        (DB1300_FIRST_INT + 4)
  45 #define DB1300_HDMI_INT         (DB1300_FIRST_INT + 5)
  46 #define DB1300_DC_INT           (DB1300_FIRST_INT + 6)
  47 #define DB1300_FLASH_INT        (DB1300_FIRST_INT + 7)
  48 #define DB1300_CF_INSERT_INT    (DB1300_FIRST_INT + 8)
  49 #define DB1300_CF_EJECT_INT     (DB1300_FIRST_INT + 9)
  50 #define DB1300_AC97_INT         (DB1300_FIRST_INT + 10)
  51 #define DB1300_AC97_PEN_INT     (DB1300_FIRST_INT + 11)
  52 #define DB1300_SD1_INSERT_INT   (DB1300_FIRST_INT + 12)
  53 #define DB1300_SD1_EJECT_INT    (DB1300_FIRST_INT + 13)
  54 #define DB1300_OTG_VBUS_OC_INT  (DB1300_FIRST_INT + 14)
  55 #define DB1300_HOST_VBUS_OC_INT (DB1300_FIRST_INT + 15)
  56 #define DB1300_LAST_INT         (DB1300_FIRST_INT + 15)
  57
  58 /* SMSC9210 CS */
  59 #define DB1300_ETH_PHYS_ADDR    0x19000000
  60 #define DB1300_ETH_PHYS_END     0x197fffff
  61
  62 /* ATA CS */
  63 #define DB1300_IDE_PHYS_ADDR    0x18800000
  64 #define DB1300_IDE_REG_SHIFT    5
  65 #define DB1300_IDE_PHYS_LEN     (16 << DB1300_IDE_REG_SHIFT)
  66
  67 /* NAND CS */
  68 #define DB1300_NAND_PHYS_ADDR   0x20000000
  69 #define DB1300_NAND_PHYS_END    0x20000fff
  70
  71
  72 static struct i2c_board_info db1300_i2c_devs[] __initdata = {
  73         { I2C_BOARD_INFO("wm8731", 0x1b), },    /* I2S audio codec */
  74         { I2C_BOARD_INFO("ne1619", 0x2d), },    /* adm1025-compat hwmon */
  75 };
  76
  77 /* multifunction pins to assign to GPIO controller */
  78 static int db1300_gpio_pins[] __initdata = {
  79         AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1,
  80         AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX,
  81         AU1300_PIN_EXTCLK1,
  82         -1,     /* terminator */
  83 };
  84
  85 /* multifunction pins to assign to device functions */
  86 static int db1300_dev_pins[] __initdata = {
  87         /* wake-from-str pins 0-3 */
  88         AU1300_PIN_WAKE0,
  89         /* external clock sources for PSC0 */
  90         AU1300_PIN_EXTCLK0,
  91         /* 8bit MMC interface on SD0: 6-9 */
  92         AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6,
  93         AU1300_PIN_SD0DAT7,
  94         /* UART1 pins: 11-18 */
  95         AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR,
  96         AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR,
  97         AU1300_PIN_U1RX, AU1300_PIN_U1TX,
  98         /* UART0 pins: 19-24 */
  99         AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR,
 100         AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR,
 101         /* UART2: 25-26 */
 102         AU1300_PIN_U2RX, AU1300_PIN_U2TX,
 103         /* UART3: 27-28 */
 104         AU1300_PIN_U3RX, AU1300_PIN_U3TX,
 105         /* LCD controller PWMs, ext pixclock: 30-31 */
 106         AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN,
 107         /* SD1 interface: 32-37 */
 108         AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2,
 109         AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK,
 110         /* SD2 interface: 38-43 */
 111         AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2,
 112         AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK,
 113         /* PSC0/1 clocks: 44-45 */
 114         AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK,
 115         /* PSCs: 46-49/50-53/54-57/58-61 */
 116         AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0,
 117         AU1300_PIN_PSC0D1,
 118         AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0,
 119         AU1300_PIN_PSC1D1,
 120         AU1300_PIN_PSC2SYNC0,                       AU1300_PIN_PSC2D0,
 121         AU1300_PIN_PSC2D1,
 122         AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0,
 123         AU1300_PIN_PSC3D1,
 124         /* PCMCIA interface: 62-70 */
 125         AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16,
 126         AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT,
 127         AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW,
 128         /* camera interface H/V sync inputs: 71-72 */
 129         AU1300_PIN_CIMLS, AU1300_PIN_CIMFS,
 130         /* PSC2/3 clocks: 73-74 */
 131         AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK,
 132         -1,     /* terminator */
 133 };
 134
 135 static void __init db1300_gpio_config(void)
 136 {
 137         int *i;
 138
 139         i = &db1300_dev_pins[0];
 140         while (*i != -1)
 141                 au1300_pinfunc_to_dev(*i++);
 142
 143         i = &db1300_gpio_pins[0];
 144         while (*i != -1)
 145                 au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */
 146
 147         au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
 148 }
 149
 150 /**********************************************************************/
 151
 152 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 153                                  unsigned int ctrl)
 154 {
 155         struct nand_chip *this = mtd_to_nand(mtd);
 156         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 157
 158         ioaddr &= 0xffffff00;
 159
 160         if (ctrl & NAND_CLE) {
 161                 ioaddr += MEM_STNAND_CMD;
 162         } else if (ctrl & NAND_ALE) {
 163                 ioaddr += MEM_STNAND_ADDR;
 164         } else {
 165                 /* assume we want to r/w real data  by default */
 166                 ioaddr += MEM_STNAND_DATA;
 167         }
 168         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
 169         if (cmd != NAND_CMD_NONE) {
 170                 __raw_writeb(cmd, this->IO_ADDR_W);
 171                 wmb();
 172         }
 173 }
 174
 175 static int au1300_nand_device_ready(struct mtd_info *mtd)
 176 {
 177         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
 178 }
 179
 180 static struct mtd_partition db1300_nand_parts[] = {
 181         {
 182                 .name   = "NAND FS 0",
 183                 .offset = 0,
 184                 .size   = 8 * 1024 * 1024,
 185         },
 186         {
 187                 .name   = "NAND FS 1",
 188                 .offset = MTDPART_OFS_APPEND,
 189                 .size   = MTDPART_SIZ_FULL
 190         },
 191 };
 192
 193 struct platform_nand_data db1300_nand_platdata = {
 194         .chip = {
 195                 .nr_chips       = 1,
 196                 .chip_offset    = 0,
 197                 .nr_partitions  = ARRAY_SIZE(db1300_nand_parts),
 198                 .partitions     = db1300_nand_parts,
 199                 .chip_delay     = 20,
 200         },
 201         .ctrl = {
 202                 .dev_ready      = au1300_nand_device_ready,
 203                 .cmd_ctrl       = au1300_nand_cmd_ctrl,
 204         },
 205 };
 206
 207 static struct resource db1300_nand_res[] = {
 208         [0] = {
 209                 .start  = DB1300_NAND_PHYS_ADDR,
 210                 .end    = DB1300_NAND_PHYS_ADDR + 0xff,
 211                 .flags  = IORESOURCE_MEM,
 212         },
 213 };
 214
 215 static struct platform_device db1300_nand_dev = {
 216         .name           = "gen_nand",
 217         .num_resources  = ARRAY_SIZE(db1300_nand_res),
 218         .resource       = db1300_nand_res,
 219         .id             = -1,
 220         .dev            = {
 221                 .platform_data = &db1300_nand_platdata,
 222         }
 223 };
 224
 225 /**********************************************************************/
 226
 227 static struct resource db1300_eth_res[] = {
 228         [0] = {
 229                 .start          = DB1300_ETH_PHYS_ADDR,
 230                 .end            = DB1300_ETH_PHYS_END,
 231                 .flags          = IORESOURCE_MEM,
 232         },
 233         [1] = {
 234                 .start          = DB1300_ETH_INT,
 235                 .end            = DB1300_ETH_INT,
 236                 .flags          = IORESOURCE_IRQ,
 237         },
 238 };
 239
 240 static struct smsc911x_platform_config db1300_eth_config = {
 241         .phy_interface          = PHY_INTERFACE_MODE_MII,
 242         .irq_polarity           = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 243         .irq_type               = SMSC911X_IRQ_TYPE_PUSH_PULL,
 244         .flags                  = SMSC911X_USE_32BIT,
 245 };
 246
 247 static struct platform_device db1300_eth_dev = {
 248         .name                   = "smsc911x",
 249         .id                     = -1,
 250         .num_resources          = ARRAY_SIZE(db1300_eth_res),
 251         .resource               = db1300_eth_res,
 252         .dev = {
 253                 .platform_data  = &db1300_eth_config,
 254         },
 255 };
 256
 257 /**********************************************************************/
 258
 259 static struct resource au1300_psc1_res[] = {
 260         [0] = {
 261                 .start  = AU1300_PSC1_PHYS_ADDR,
 262                 .end    = AU1300_PSC1_PHYS_ADDR + 0x0fff,
 263                 .flags  = IORESOURCE_MEM,
 264         },
 265         [1] = {
 266                 .start  = AU1300_PSC1_INT,
 267                 .end    = AU1300_PSC1_INT,
 268                 .flags  = IORESOURCE_IRQ,
 269         },
 270         [2] = {
 271                 .start  = AU1300_DSCR_CMD0_PSC1_TX,
 272                 .end    = AU1300_DSCR_CMD0_PSC1_TX,
 273                 .flags  = IORESOURCE_DMA,
 274         },
 275         [3] = {
 276                 .start  = AU1300_DSCR_CMD0_PSC1_RX,
 277                 .end    = AU1300_DSCR_CMD0_PSC1_RX,
 278                 .flags  = IORESOURCE_DMA,
 279         },
 280 };
 281
 282 static struct platform_device db1300_ac97_dev = {
 283         .name           = "au1xpsc_ac97",
 284         .id             = 1,    /* PSC ID. match with AC97 codec ID! */
 285         .num_resources  = ARRAY_SIZE(au1300_psc1_res),
 286         .resource       = au1300_psc1_res,
 287 };
 288
 289 /**********************************************************************/
 290
 291 static struct resource au1300_psc2_res[] = {
 292         [0] = {
 293                 .start  = AU1300_PSC2_PHYS_ADDR,
 294                 .end    = AU1300_PSC2_PHYS_ADDR + 0x0fff,
 295                 .flags  = IORESOURCE_MEM,
 296         },
 297         [1] = {
 298                 .start  = AU1300_PSC2_INT,
 299                 .end    = AU1300_PSC2_INT,
 300                 .flags  = IORESOURCE_IRQ,
 301         },
 302         [2] = {
 303                 .start  = AU1300_DSCR_CMD0_PSC2_TX,
 304                 .end    = AU1300_DSCR_CMD0_PSC2_TX,
 305                 .flags  = IORESOURCE_DMA,
 306         },
 307         [3] = {
 308                 .start  = AU1300_DSCR_CMD0_PSC2_RX,
 309                 .end    = AU1300_DSCR_CMD0_PSC2_RX,
 310                 .flags  = IORESOURCE_DMA,
 311         },
 312 };
 313
 314 static struct platform_device db1300_i2s_dev = {
 315         .name           = "au1xpsc_i2s",
 316         .id             = 2,    /* PSC ID */
 317         .num_resources  = ARRAY_SIZE(au1300_psc2_res),
 318         .resource       = au1300_psc2_res,
 319 };
 320
 321 /**********************************************************************/
 322
 323 static struct resource au1300_psc3_res[] = {
 324         [0] = {
 325                 .start  = AU1300_PSC3_PHYS_ADDR,
 326                 .end    = AU1300_PSC3_PHYS_ADDR + 0x0fff,
 327                 .flags  = IORESOURCE_MEM,
 328         },
 329         [1] = {
 330                 .start  = AU1300_PSC3_INT,
 331                 .end    = AU1300_PSC3_INT,
 332                 .flags  = IORESOURCE_IRQ,
 333         },
 334         [2] = {
 335                 .start  = AU1300_DSCR_CMD0_PSC3_TX,
 336                 .end    = AU1300_DSCR_CMD0_PSC3_TX,
 337                 .flags  = IORESOURCE_DMA,
 338         },
 339         [3] = {
 340                 .start  = AU1300_DSCR_CMD0_PSC3_RX,
 341                 .end    = AU1300_DSCR_CMD0_PSC3_RX,
 342                 .flags  = IORESOURCE_DMA,
 343         },
 344 };
 345
 346 static struct platform_device db1300_i2c_dev = {
 347         .name           = "au1xpsc_smbus",
 348         .id             = 0,    /* bus number */
 349         .num_resources  = ARRAY_SIZE(au1300_psc3_res),
 350         .resource       = au1300_psc3_res,
 351 };
 352
 353 /**********************************************************************/
 354
 355 /* proper key assignments when facing the LCD panel.  For key assignments
 356  * according to the schematics swap up with down and left with right.
 357  * I chose to use it to emulate the arrow keys of a keyboard.
 358  */
 359 static struct gpio_keys_button db1300_5waysw_arrowkeys[] = {
 360         {
 361                 .code                   = KEY_DOWN,
 362                 .gpio                   = AU1300_PIN_LCDPWM0,
 363                 .type                   = EV_KEY,
 364                 .debounce_interval      = 1,
 365                 .active_low             = 1,
 366                 .desc                   = "5waysw-down",
 367         },
 368         {
 369                 .code                   = KEY_UP,
 370                 .gpio                   = AU1300_PIN_PSC2SYNC1,
 371                 .type                   = EV_KEY,
 372                 .debounce_interval      = 1,
 373                 .active_low             = 1,
 374                 .desc                   = "5waysw-up",
 375         },
 376         {
 377                 .code                   = KEY_RIGHT,
 378                 .gpio                   = AU1300_PIN_WAKE3,
 379                 .type                   = EV_KEY,
 380                 .debounce_interval      = 1,
 381                 .active_low             = 1,
 382                 .desc                   = "5waysw-right",
 383         },
 384         {
 385                 .code                   = KEY_LEFT,
 386                 .gpio                   = AU1300_PIN_WAKE2,
 387                 .type                   = EV_KEY,
 388                 .debounce_interval      = 1,
 389                 .active_low             = 1,
 390                 .desc                   = "5waysw-left",
 391         },
 392         {
 393                 .code                   = KEY_ENTER,
 394                 .gpio                   = AU1300_PIN_WAKE1,
 395                 .type                   = EV_KEY,
 396                 .debounce_interval      = 1,
 397                 .active_low             = 1,
 398                 .desc                   = "5waysw-push",
 399         },
 400 };
 401
 402 static struct gpio_keys_platform_data db1300_5waysw_data = {
 403         .buttons        = db1300_5waysw_arrowkeys,
 404         .nbuttons       = ARRAY_SIZE(db1300_5waysw_arrowkeys),
 405         .rep            = 1,
 406         .name           = "db1300-5wayswitch",
 407 };
 408
 409 static struct platform_device db1300_5waysw_dev = {
 410         .name           = "gpio-keys",
 411         .dev    = {
 412                 .platform_data  = &db1300_5waysw_data,
 413         },
 414 };
 415
 416 /**********************************************************************/
 417
 418 static struct pata_platform_info db1300_ide_info = {
 419         .ioport_shift   = DB1300_IDE_REG_SHIFT,
 420 };
 421
 422 #define IDE_ALT_START   (14 << DB1300_IDE_REG_SHIFT)
 423 static struct resource db1300_ide_res[] = {
 424         [0] = {
 425                 .start  = DB1300_IDE_PHYS_ADDR,
 426                 .end    = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1,
 427                 .flags  = IORESOURCE_MEM,
 428         },
 429         [1] = {
 430                 .start  = DB1300_IDE_PHYS_ADDR + IDE_ALT_START,
 431                 .end    = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1,
 432                 .flags  = IORESOURCE_MEM,
 433         },
 434         [2] = {
 435                 .start  = DB1300_IDE_INT,
 436                 .end    = DB1300_IDE_INT,
 437                 .flags  = IORESOURCE_IRQ,
 438         },
 439 };
 440
 441 static struct platform_device db1300_ide_dev = {
 442         .dev    = {
 443                 .platform_data  = &db1300_ide_info,
 444         },
 445         .name           = "pata_platform",
 446         .resource       = db1300_ide_res,
 447         .num_resources  = ARRAY_SIZE(db1300_ide_res),
 448 };
 449
 450 /**********************************************************************/
 451
 452 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
 453 {
 454         disable_irq_nosync(irq);
 455         return IRQ_WAKE_THREAD;
 456 }
 457
 458 static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
 459 {
 460         void (*mmc_cd)(struct mmc_host *, unsigned long);
 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(200));
 467         symbol_put(mmc_detect_change);
 468
 469         msleep(100);    /* debounce */
 470         if (irq == DB1300_SD1_INSERT_INT)
 471                 enable_irq(DB1300_SD1_EJECT_INT);
 472         else
 473                 enable_irq(DB1300_SD1_INSERT_INT);
 474
 475         return IRQ_HANDLED;
 476 }
 477
 478 static int db1300_mmc_card_readonly(void *mmc_host)
 479 {
 480         /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
 481         return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
 482 }
 483
 484 static int db1300_mmc_card_inserted(void *mmc_host)
 485 {
 486         return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
 487 }
 488
 489 static int db1300_mmc_cd_setup(void *mmc_host, int en)
 490 {
 491         int ret;
 492
 493         if (en) {
 494                 ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd,
 495                                 db1300_mmc_cdfn, 0, "sd_insert", mmc_host);
 496                 if (ret)
 497                         goto out;
 498
 499                 ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd,
 500                                 db1300_mmc_cdfn, 0, "sd_eject", mmc_host);
 501                 if (ret) {
 502                         free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 503                         goto out;
 504                 }
 505
 506                 if (db1300_mmc_card_inserted(mmc_host))
 507                         enable_irq(DB1300_SD1_EJECT_INT);
 508                 else
 509                         enable_irq(DB1300_SD1_INSERT_INT);
 510
 511         } else {
 512                 free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 513                 free_irq(DB1300_SD1_EJECT_INT, mmc_host);
 514         }
 515         ret = 0;
 516 out:
 517         return ret;
 518 }
 519
 520 static void db1300_mmcled_set(struct led_classdev *led,
 521                               enum led_brightness brightness)
 522 {
 523         if (brightness != LED_OFF)
 524                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
 525         else
 526                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
 527 }
 528
 529 static struct led_classdev db1300_mmc_led = {
 530         .brightness_set = db1300_mmcled_set,
 531 };
 532
 533 struct au1xmmc_platform_data db1300_sd1_platdata = {
 534         .cd_setup       = db1300_mmc_cd_setup,
 535         .card_inserted  = db1300_mmc_card_inserted,
 536         .card_readonly  = db1300_mmc_card_readonly,
 537         .led            = &db1300_mmc_led,
 538 };
 539
 540 static struct resource au1300_sd1_res[] = {
 541         [0] = {
 542                 .start  = AU1300_SD1_PHYS_ADDR,
 543                 .end    = AU1300_SD1_PHYS_ADDR,
 544                 .flags  = IORESOURCE_MEM,
 545         },
 546         [1] = {
 547                 .start  = AU1300_SD1_INT,
 548                 .end    = AU1300_SD1_INT,
 549                 .flags  = IORESOURCE_IRQ,
 550         },
 551         [2] = {
 552                 .start  = AU1300_DSCR_CMD0_SDMS_TX1,
 553                 .end    = AU1300_DSCR_CMD0_SDMS_TX1,
 554                 .flags  = IORESOURCE_DMA,
 555         },
 556         [3] = {
 557                 .start  = AU1300_DSCR_CMD0_SDMS_RX1,
 558                 .end    = AU1300_DSCR_CMD0_SDMS_RX1,
 559                 .flags  = IORESOURCE_DMA,
 560         },
 561 };
 562
 563 static struct platform_device db1300_sd1_dev = {
 564         .dev = {
 565                 .platform_data  = &db1300_sd1_platdata,
 566         },
 567         .name           = "au1xxx-mmc",
 568         .id             = 1,
 569         .resource       = au1300_sd1_res,
 570         .num_resources  = ARRAY_SIZE(au1300_sd1_res),
 571 };
 572
 573 /**********************************************************************/
 574
 575 static int db1300_movinand_inserted(void *mmc_host)
 576 {
 577         return 0; /* disable for now, it doesn't work yet */
 578 }
 579
 580 static int db1300_movinand_readonly(void *mmc_host)
 581 {
 582         return 0;
 583 }
 584
 585 static void db1300_movinand_led_set(struct led_classdev *led,
 586                                     enum led_brightness brightness)
 587 {
 588         if (brightness != LED_OFF)
 589                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
 590         else
 591                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
 592 }
 593
 594 static struct led_classdev db1300_movinand_led = {
 595         .brightness_set         = db1300_movinand_led_set,
 596 };
 597
 598 struct au1xmmc_platform_data db1300_sd0_platdata = {
 599         .card_inserted          = db1300_movinand_inserted,
 600         .card_readonly          = db1300_movinand_readonly,
 601         .led                    = &db1300_movinand_led,
 602         .mask_host_caps         = MMC_CAP_NEEDS_POLL,
 603 };
 604
 605 static struct resource au1300_sd0_res[] = {
 606         [0] = {
 607                 .start  = AU1100_SD0_PHYS_ADDR,
 608                 .end    = AU1100_SD0_PHYS_ADDR,
 609                 .flags  = IORESOURCE_MEM,
 610         },
 611         [1] = {
 612                 .start  = AU1300_SD0_INT,
 613                 .end    = AU1300_SD0_INT,
 614                 .flags  = IORESOURCE_IRQ,
 615         },
 616         [2] = {
 617                 .start  = AU1300_DSCR_CMD0_SDMS_TX0,
 618                 .end    = AU1300_DSCR_CMD0_SDMS_TX0,
 619                 .flags  = IORESOURCE_DMA,
 620         },
 621         [3] = {
 622                 .start  = AU1300_DSCR_CMD0_SDMS_RX0,
 623                 .end    = AU1300_DSCR_CMD0_SDMS_RX0,
 624                 .flags  = IORESOURCE_DMA,
 625         },
 626 };
 627
 628 static struct platform_device db1300_sd0_dev = {
 629         .dev = {
 630                 .platform_data  = &db1300_sd0_platdata,
 631         },
 632         .name           = "au1xxx-mmc",
 633         .id             = 0,
 634         .resource       = au1300_sd0_res,
 635         .num_resources  = ARRAY_SIZE(au1300_sd0_res),
 636 };
 637
 638 /**********************************************************************/
 639
 640 static struct platform_device db1300_wm9715_dev = {
 641         .name           = "wm9712-codec",
 642         .id             = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
 643 };
 644
 645 static struct platform_device db1300_ac97dma_dev = {
 646         .name           = "au1xpsc-pcm",
 647         .id             = 1,    /* PSC ID */
 648 };
 649
 650 static struct platform_device db1300_i2sdma_dev = {
 651         .name           = "au1xpsc-pcm",
 652         .id             = 2,    /* PSC ID */
 653 };
 654
 655 static struct platform_device db1300_sndac97_dev = {
 656         .name           = "db1300-ac97",
 657 };
 658
 659 static struct platform_device db1300_sndi2s_dev = {
 660         .name           = "db1300-i2s",
 661 };
 662
 663 /**********************************************************************/
 664
 665 static int db1300fb_panel_index(void)
 666 {
 667         return 9;       /* DB1300_800x480 */
 668 }
 669
 670 static int db1300fb_panel_init(void)
 671 {
 672         /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 673         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
 674                              BCSR_BOARD_LCDBL);
 675         return 0;
 676 }
 677
 678 static int db1300fb_panel_shutdown(void)
 679 {
 680         /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 681         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
 682                              BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
 683         return 0;
 684 }
 685
 686 static struct au1200fb_platdata db1300fb_pd = {
 687         .panel_index    = db1300fb_panel_index,
 688         .panel_init     = db1300fb_panel_init,
 689         .panel_shutdown = db1300fb_panel_shutdown,
 690 };
 691
 692 static struct resource au1300_lcd_res[] = {
 693         [0] = {
 694                 .start  = AU1200_LCD_PHYS_ADDR,
 695                 .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
 696                 .flags  = IORESOURCE_MEM,
 697         },
 698         [1] = {
 699                 .start  = AU1300_LCD_INT,
 700                 .end    = AU1300_LCD_INT,
 701                 .flags  = IORESOURCE_IRQ,
 702         }
 703 };
 704
 705 static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32);
 706
 707 static struct platform_device db1300_lcd_dev = {
 708         .name           = "au1200-lcd",
 709         .id             = 0,
 710         .dev = {
 711                 .dma_mask               = &au1300_lcd_dmamask,
 712                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 713                 .platform_data          = &db1300fb_pd,
 714         },
 715         .num_resources  = ARRAY_SIZE(au1300_lcd_res),
 716         .resource       = au1300_lcd_res,
 717 };
 718
 719 /**********************************************************************/
 720
 721 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
 722 {
 723         if (enable)
 724                 enable_irq(DB1300_AC97_PEN_INT);
 725         else
 726                 disable_irq_nosync(DB1300_AC97_PEN_INT);
 727 }
 728
 729 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
 730         .irq_enable     = db1300_wm97xx_irqen,
 731         .irq_gpio       = WM97XX_GPIO_3,
 732 };
 733
 734 static int db1300_wm97xx_probe(struct platform_device *pdev)
 735 {
 736         struct wm97xx *wm = platform_get_drvdata(pdev);
 737
 738         /* external pendown indicator */
 739         wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
 740                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
 741                            WM97XX_GPIO_WAKE);
 742
 743         /* internal "virtual" pendown gpio */
 744         wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
 745                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
 746                            WM97XX_GPIO_NOWAKE);
 747
 748         wm->pen_irq = DB1300_AC97_PEN_INT;
 749
 750         return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
 751 }
 752
 753 static struct platform_driver db1300_wm97xx_driver = {
 754         .driver.name    = "wm97xx-touch",
 755         .driver.owner   = THIS_MODULE,
 756         .probe          = db1300_wm97xx_probe,
 757 };
 758
 759 /**********************************************************************/
 760
 761 static struct platform_device *db1300_dev[] __initdata = {
 762         &db1300_eth_dev,
 763         &db1300_i2c_dev,
 764         &db1300_5waysw_dev,
 765         &db1300_nand_dev,
 766         &db1300_ide_dev,
 767         &db1300_sd0_dev,
 768         &db1300_sd1_dev,
 769         &db1300_lcd_dev,
 770         &db1300_ac97_dev,
 771         &db1300_i2s_dev,
 772         &db1300_wm9715_dev,
 773         &db1300_ac97dma_dev,
 774         &db1300_i2sdma_dev,
 775         &db1300_sndac97_dev,
 776         &db1300_sndi2s_dev,
 777 };
 778
 779 int __init db1300_dev_setup(void)
 780 {
 781         int swapped, cpldirq;
 782         struct clk *c;
 783
 784         /* setup CPLD IRQ muxer */
 785         cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
 786         irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
 787         bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
 788
 789         /* insert/eject IRQs: one always triggers so don't enable them
 790          * when doing request_irq() on them.  DB1200 has this bug too.
 791          */
 792         irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
 793         irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
 794         irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
 795         irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
 796
 797         /*
 798          * setup board
 799          */
 800         prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
 801
 802         i2c_register_board_info(0, db1300_i2c_devs,
 803                                 ARRAY_SIZE(db1300_i2c_devs));
 804
 805         if (platform_driver_register(&db1300_wm97xx_driver))
 806                 pr_warn("DB1300: failed to init touch pen irq support!\n");
 807
 808         /* Audio PSC clock is supplied by codecs (PSC1, 2) */
 809         __raw_writel(PSC_SEL_CLK_SERCLK,
 810             (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 811         wmb();
 812         __raw_writel(PSC_SEL_CLK_SERCLK,
 813             (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
 814         wmb();
 815         /* I2C driver wants 50MHz, get as close as possible */
 816         c = clk_get(NULL, "psc3_intclk");
 817         if (!IS_ERR(c)) {
 818                 clk_set_rate(c, 50000000);
 819                 clk_prepare_enable(c);
 820                 clk_put(c);
 821         }
 822         __raw_writel(PSC_SEL_CLK_INTCLK,
 823             (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
 824         wmb();
 825
 826         /* enable power to USB ports */
 827         bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
 828
 829         /* although it is socket #0, it uses the CPLD bits which previous boards
 830          * have used for socket #1.
 831          */
 832         db1x_register_pcmcia_socket(
 833                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 834                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
 835                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 836                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
 837                 AU1000_PCMCIA_IO_PHYS_ADDR,
 838                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
 839                 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
 840
 841         swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
 842         db1x_register_norflash(64 << 20, 2, swapped);
 843
 844         return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
 845 }
 846
 847
 848 int __init db1300_board_setup(void)
 849 {
 850         unsigned short whoami;
 851
 852         bcsr_init(DB1300_BCSR_PHYS_ADDR,
 853                   DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
 854
 855         whoami = bcsr_read(BCSR_WHOAMI);
 856         if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
 857                 return -ENODEV;
 858
 859         db1300_gpio_config();
 860
 861         printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
 862                 "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
 863                 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
 864                 BCSR_WHOAMI_DCID(whoami));
 865
 866         /* enable UARTs, YAMON only enables #2 */
 867         alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
 868         alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
 869         alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
 870
 871         return 0;
 872 }