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/platnand.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 u64 au1300_all_dmamask = DMA_BIT_MASK(32);
 152
 153 static void au1300_nand_cmd_ctrl(struct nand_chip *this, int cmd,
 154                                  unsigned int ctrl)
 155 {
 156         unsigned long ioaddr = (unsigned long)this->legacy.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->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
 169         if (cmd != NAND_CMD_NONE) {
 170                 __raw_writeb(cmd, this->legacy.IO_ADDR_W);
 171                 wmb();
 172         }
 173 }
 174
 175 static int au1300_nand_device_ready(struct nand_chip *this)
 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                 .dma_mask               = &au1300_all_dmamask,
 444                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 445                 .platform_data  = &db1300_ide_info,
 446         },
 447         .name           = "pata_platform",
 448         .resource       = db1300_ide_res,
 449         .num_resources  = ARRAY_SIZE(db1300_ide_res),
 450 };
 451
 452 /**********************************************************************/
 453
 454 static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
 455 {
 456         disable_irq_nosync(irq);
 457         return IRQ_WAKE_THREAD;
 458 }
 459
 460 static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
 461 {
 462         void (*mmc_cd)(struct mmc_host *, unsigned long);
 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(200));
 469         symbol_put(mmc_detect_change);
 470
 471         msleep(100);    /* debounce */
 472         if (irq == DB1300_SD1_INSERT_INT)
 473                 enable_irq(DB1300_SD1_EJECT_INT);
 474         else
 475                 enable_irq(DB1300_SD1_INSERT_INT);
 476
 477         return IRQ_HANDLED;
 478 }
 479
 480 static int db1300_mmc_card_readonly(void *mmc_host)
 481 {
 482         /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */
 483         return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP;
 484 }
 485
 486 static int db1300_mmc_card_inserted(void *mmc_host)
 487 {
 488         return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */
 489 }
 490
 491 static int db1300_mmc_cd_setup(void *mmc_host, int en)
 492 {
 493         int ret;
 494
 495         if (en) {
 496                 ret = request_threaded_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd,
 497                                 db1300_mmc_cdfn, 0, "sd_insert", mmc_host);
 498                 if (ret)
 499                         goto out;
 500
 501                 ret = request_threaded_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd,
 502                                 db1300_mmc_cdfn, 0, "sd_eject", mmc_host);
 503                 if (ret) {
 504                         free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 505                         goto out;
 506                 }
 507
 508                 if (db1300_mmc_card_inserted(mmc_host))
 509                         enable_irq(DB1300_SD1_EJECT_INT);
 510                 else
 511                         enable_irq(DB1300_SD1_INSERT_INT);
 512
 513         } else {
 514                 free_irq(DB1300_SD1_INSERT_INT, mmc_host);
 515                 free_irq(DB1300_SD1_EJECT_INT, mmc_host);
 516         }
 517         ret = 0;
 518 out:
 519         return ret;
 520 }
 521
 522 static void db1300_mmcled_set(struct led_classdev *led,
 523                               enum led_brightness brightness)
 524 {
 525         if (brightness != LED_OFF)
 526                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
 527         else
 528                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
 529 }
 530
 531 static struct led_classdev db1300_mmc_led = {
 532         .brightness_set = db1300_mmcled_set,
 533 };
 534
 535 struct au1xmmc_platform_data db1300_sd1_platdata = {
 536         .cd_setup       = db1300_mmc_cd_setup,
 537         .card_inserted  = db1300_mmc_card_inserted,
 538         .card_readonly  = db1300_mmc_card_readonly,
 539         .led            = &db1300_mmc_led,
 540 };
 541
 542 static struct resource au1300_sd1_res[] = {
 543         [0] = {
 544                 .start  = AU1300_SD1_PHYS_ADDR,
 545                 .end    = AU1300_SD1_PHYS_ADDR,
 546                 .flags  = IORESOURCE_MEM,
 547         },
 548         [1] = {
 549                 .start  = AU1300_SD1_INT,
 550                 .end    = AU1300_SD1_INT,
 551                 .flags  = IORESOURCE_IRQ,
 552         },
 553         [2] = {
 554                 .start  = AU1300_DSCR_CMD0_SDMS_TX1,
 555                 .end    = AU1300_DSCR_CMD0_SDMS_TX1,
 556                 .flags  = IORESOURCE_DMA,
 557         },
 558         [3] = {
 559                 .start  = AU1300_DSCR_CMD0_SDMS_RX1,
 560                 .end    = AU1300_DSCR_CMD0_SDMS_RX1,
 561                 .flags  = IORESOURCE_DMA,
 562         },
 563 };
 564
 565 static struct platform_device db1300_sd1_dev = {
 566         .dev = {
 567                 .dma_mask               = &au1300_all_dmamask,
 568                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 569                 .platform_data          = &db1300_sd1_platdata,
 570         },
 571         .name           = "au1xxx-mmc",
 572         .id             = 1,
 573         .resource       = au1300_sd1_res,
 574         .num_resources  = ARRAY_SIZE(au1300_sd1_res),
 575 };
 576
 577 /**********************************************************************/
 578
 579 static int db1300_movinand_inserted(void *mmc_host)
 580 {
 581         return 0; /* disable for now, it doesn't work yet */
 582 }
 583
 584 static int db1300_movinand_readonly(void *mmc_host)
 585 {
 586         return 0;
 587 }
 588
 589 static void db1300_movinand_led_set(struct led_classdev *led,
 590                                     enum led_brightness brightness)
 591 {
 592         if (brightness != LED_OFF)
 593                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
 594         else
 595                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
 596 }
 597
 598 static struct led_classdev db1300_movinand_led = {
 599         .brightness_set         = db1300_movinand_led_set,
 600 };
 601
 602 struct au1xmmc_platform_data db1300_sd0_platdata = {
 603         .card_inserted          = db1300_movinand_inserted,
 604         .card_readonly          = db1300_movinand_readonly,
 605         .led                    = &db1300_movinand_led,
 606         .mask_host_caps         = MMC_CAP_NEEDS_POLL,
 607 };
 608
 609 static struct resource au1300_sd0_res[] = {
 610         [0] = {
 611                 .start  = AU1100_SD0_PHYS_ADDR,
 612                 .end    = AU1100_SD0_PHYS_ADDR,
 613                 .flags  = IORESOURCE_MEM,
 614         },
 615         [1] = {
 616                 .start  = AU1300_SD0_INT,
 617                 .end    = AU1300_SD0_INT,
 618                 .flags  = IORESOURCE_IRQ,
 619         },
 620         [2] = {
 621                 .start  = AU1300_DSCR_CMD0_SDMS_TX0,
 622                 .end    = AU1300_DSCR_CMD0_SDMS_TX0,
 623                 .flags  = IORESOURCE_DMA,
 624         },
 625         [3] = {
 626                 .start  = AU1300_DSCR_CMD0_SDMS_RX0,
 627                 .end    = AU1300_DSCR_CMD0_SDMS_RX0,
 628                 .flags  = IORESOURCE_DMA,
 629         },
 630 };
 631
 632 static struct platform_device db1300_sd0_dev = {
 633         .dev = {
 634                 .dma_mask               = &au1300_all_dmamask,
 635                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 636                 .platform_data          = &db1300_sd0_platdata,
 637         },
 638         .name           = "au1xxx-mmc",
 639         .id             = 0,
 640         .resource       = au1300_sd0_res,
 641         .num_resources  = ARRAY_SIZE(au1300_sd0_res),
 642 };
 643
 644 /**********************************************************************/
 645
 646 static struct platform_device db1300_wm9715_dev = {
 647         .name           = "wm9712-codec",
 648         .id             = 1,    /* ID of PSC for AC97 audio, see asoc glue! */
 649 };
 650
 651 static struct platform_device db1300_ac97dma_dev = {
 652         .name           = "au1xpsc-pcm",
 653         .id             = 1,    /* PSC ID */
 654 };
 655
 656 static struct platform_device db1300_i2sdma_dev = {
 657         .name           = "au1xpsc-pcm",
 658         .id             = 2,    /* PSC ID */
 659 };
 660
 661 static struct platform_device db1300_sndac97_dev = {
 662         .name           = "db1300-ac97",
 663         .dev = {
 664                 .dma_mask               = &au1300_all_dmamask,
 665                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 666         },
 667 };
 668
 669 static struct platform_device db1300_sndi2s_dev = {
 670         .name           = "db1300-i2s",
 671         .dev = {
 672                 .dma_mask               = &au1300_all_dmamask,
 673                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 674         },
 675 };
 676
 677 /**********************************************************************/
 678
 679 static int db1300fb_panel_index(void)
 680 {
 681         return 9;       /* DB1300_800x480 */
 682 }
 683
 684 static int db1300fb_panel_init(void)
 685 {
 686         /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 687         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD,
 688                              BCSR_BOARD_LCDBL);
 689         return 0;
 690 }
 691
 692 static int db1300fb_panel_shutdown(void)
 693 {
 694         /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */
 695         bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL,
 696                              BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD);
 697         return 0;
 698 }
 699
 700 static struct au1200fb_platdata db1300fb_pd = {
 701         .panel_index    = db1300fb_panel_index,
 702         .panel_init     = db1300fb_panel_init,
 703         .panel_shutdown = db1300fb_panel_shutdown,
 704 };
 705
 706 static struct resource au1300_lcd_res[] = {
 707         [0] = {
 708                 .start  = AU1200_LCD_PHYS_ADDR,
 709                 .end    = AU1200_LCD_PHYS_ADDR + 0x800 - 1,
 710                 .flags  = IORESOURCE_MEM,
 711         },
 712         [1] = {
 713                 .start  = AU1300_LCD_INT,
 714                 .end    = AU1300_LCD_INT,
 715                 .flags  = IORESOURCE_IRQ,
 716         }
 717 };
 718
 719
 720 static struct platform_device db1300_lcd_dev = {
 721         .name           = "au1200-lcd",
 722         .id             = 0,
 723         .dev = {
 724                 .dma_mask               = &au1300_all_dmamask,
 725                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 726                 .platform_data          = &db1300fb_pd,
 727         },
 728         .num_resources  = ARRAY_SIZE(au1300_lcd_res),
 729         .resource       = au1300_lcd_res,
 730 };
 731
 732 /**********************************************************************/
 733
 734 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
 735 {
 736         if (enable)
 737                 enable_irq(DB1300_AC97_PEN_INT);
 738         else
 739                 disable_irq_nosync(DB1300_AC97_PEN_INT);
 740 }
 741
 742 static struct wm97xx_mach_ops db1300_wm97xx_ops = {
 743         .irq_enable     = db1300_wm97xx_irqen,
 744         .irq_gpio       = WM97XX_GPIO_3,
 745 };
 746
 747 static int db1300_wm97xx_probe(struct platform_device *pdev)
 748 {
 749         struct wm97xx *wm = platform_get_drvdata(pdev);
 750
 751         /* external pendown indicator */
 752         wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
 753                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_STICKY,
 754                            WM97XX_GPIO_WAKE);
 755
 756         /* internal "virtual" pendown gpio */
 757         wm97xx_config_gpio(wm, WM97XX_GPIO_3, WM97XX_GPIO_OUT,
 758                            WM97XX_GPIO_POL_LOW, WM97XX_GPIO_NOTSTICKY,
 759                            WM97XX_GPIO_NOWAKE);
 760
 761         wm->pen_irq = DB1300_AC97_PEN_INT;
 762
 763         return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
 764 }
 765
 766 static struct platform_driver db1300_wm97xx_driver = {
 767         .driver.name    = "wm97xx-touch",
 768         .driver.owner   = THIS_MODULE,
 769         .probe          = db1300_wm97xx_probe,
 770 };
 771
 772 /**********************************************************************/
 773
 774 static struct platform_device *db1300_dev[] __initdata = {
 775         &db1300_eth_dev,
 776         &db1300_i2c_dev,
 777         &db1300_5waysw_dev,
 778         &db1300_nand_dev,
 779         &db1300_ide_dev,
 780         &db1300_sd0_dev,
 781         &db1300_sd1_dev,
 782         &db1300_lcd_dev,
 783         &db1300_ac97_dev,
 784         &db1300_i2s_dev,
 785         &db1300_wm9715_dev,
 786         &db1300_ac97dma_dev,
 787         &db1300_i2sdma_dev,
 788         &db1300_sndac97_dev,
 789         &db1300_sndi2s_dev,
 790 };
 791
 792 int __init db1300_dev_setup(void)
 793 {
 794         int swapped, cpldirq;
 795         struct clk *c;
 796
 797         /* setup CPLD IRQ muxer */
 798         cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1);
 799         irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH);
 800         bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq);
 801
 802         /* insert/eject IRQs: one always triggers so don't enable them
 803          * when doing request_irq() on them.  DB1200 has this bug too.
 804          */
 805         irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN);
 806         irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN);
 807         irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN);
 808         irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN);
 809
 810         /*
 811          * setup board
 812          */
 813         prom_get_ethernet_addr(&db1300_eth_config.mac[0]);
 814
 815         i2c_register_board_info(0, db1300_i2c_devs,
 816                                 ARRAY_SIZE(db1300_i2c_devs));
 817
 818         if (platform_driver_register(&db1300_wm97xx_driver))
 819                 pr_warn("DB1300: failed to init touch pen irq support!\n");
 820
 821         /* Audio PSC clock is supplied by codecs (PSC1, 2) */
 822         __raw_writel(PSC_SEL_CLK_SERCLK,
 823             (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 824         wmb();
 825         __raw_writel(PSC_SEL_CLK_SERCLK,
 826             (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
 827         wmb();
 828         /* I2C driver wants 50MHz, get as close as possible */
 829         c = clk_get(NULL, "psc3_intclk");
 830         if (!IS_ERR(c)) {
 831                 clk_set_rate(c, 50000000);
 832                 clk_prepare_enable(c);
 833                 clk_put(c);
 834         }
 835         __raw_writel(PSC_SEL_CLK_INTCLK,
 836             (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
 837         wmb();
 838
 839         /* enable power to USB ports */
 840         bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR);
 841
 842         /* although it is socket #0, it uses the CPLD bits which previous boards
 843          * have used for socket #1.
 844          */
 845         db1x_register_pcmcia_socket(
 846                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 847                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1,
 848                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 849                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x00400000 - 1,
 850                 AU1000_PCMCIA_IO_PHYS_ADDR,
 851                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x00010000 - 1,
 852                 DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1);
 853
 854         swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
 855         db1x_register_norflash(64 << 20, 2, swapped);
 856
 857         return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
 858 }
 859
 860
 861 int __init db1300_board_setup(void)
 862 {
 863         unsigned short whoami;
 864
 865         bcsr_init(DB1300_BCSR_PHYS_ADDR,
 866                   DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS);
 867
 868         whoami = bcsr_read(BCSR_WHOAMI);
 869         if (BCSR_WHOAMI_BOARD(whoami) != BCSR_WHOAMI_DB1300)
 870                 return -ENODEV;
 871
 872         db1300_gpio_config();
 873
 874         printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t"
 875                 "BoardID %d   CPLD Rev %d   DaughtercardID %d\n",
 876                 BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami),
 877                 BCSR_WHOAMI_DCID(whoami));
 878
 879         /* enable UARTs, YAMON only enables #2 */
 880         alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
 881         alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
 882         alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
 883
 884         return 0;
 885 }