arch/mips/alchemy/devboards/db1000.c

   1 /*
   2  * DBAu1000/1500/1100 PBAu1100/1500 board support
   3  *
   4  * Copyright 2000, 2008 MontaVista Software Inc.
   5  * Author: MontaVista Software, Inc. <source@mvista.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20  */
  21
  22 #include <linux/clk.h>
  23 #include <linux/dma-mapping.h>
  24 #include <linux/gpio.h>
  25 #include <linux/init.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/leds.h>
  28 #include <linux/mmc/host.h>
  29 #include <linux/module.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/pm.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/spi/spi_gpio.h>
  34 #include <linux/spi/ads7846.h>
  35 #include <asm/mach-au1x00/au1000.h>
  36 #include <asm/mach-au1x00/gpio-au1000.h>
  37 #include <asm/mach-au1x00/au1000_dma.h>
  38 #include <asm/mach-au1x00/au1100_mmc.h>
  39 #include <asm/mach-db1x00/bcsr.h>
  40 #include <asm/reboot.h>
  41 #include <prom.h>
  42 #include "platform.h"
  43
  44 #define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT)
  45
  46 const char *get_system_type(void);
  47
  48 int __init db1000_board_setup(void)
  49 {
  50         /* initialize board register space */
  51         bcsr_init(DB1000_BCSR_PHYS_ADDR,
  52                   DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
  53
  54         switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
  55         case BCSR_WHOAMI_DB1000:
  56         case BCSR_WHOAMI_DB1500:
  57         case BCSR_WHOAMI_DB1100:
  58         case BCSR_WHOAMI_PB1500:
  59         case BCSR_WHOAMI_PB1500R2:
  60         case BCSR_WHOAMI_PB1100:
  61                 pr_info("AMD Alchemy %s Board\n", get_system_type());
  62                 return 0;
  63         }
  64         return -ENODEV;
  65 }
  66
  67 static int db1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
  68 {
  69         if ((slot < 12) || (slot > 13) || pin == 0)
  70                 return -1;
  71         if (slot == 12)
  72                 return (pin == 1) ? AU1500_PCI_INTA : 0xff;
  73         if (slot == 13) {
  74                 switch (pin) {
  75                 case 1: return AU1500_PCI_INTA;
  76                 case 2: return AU1500_PCI_INTB;
  77                 case 3: return AU1500_PCI_INTC;
  78                 case 4: return AU1500_PCI_INTD;
  79                 }
  80         }
  81         return -1;
  82 }
  83
  84 static struct resource alchemy_pci_host_res[] = {
  85         [0] = {
  86                 .start  = AU1500_PCI_PHYS_ADDR,
  87                 .end    = AU1500_PCI_PHYS_ADDR + 0xfff,
  88                 .flags  = IORESOURCE_MEM,
  89         },
  90 };
  91
  92 static struct alchemy_pci_platdata db1500_pci_pd = {
  93         .board_map_irq  = db1500_map_pci_irq,
  94 };
  95
  96 static struct platform_device db1500_pci_host_dev = {
  97         .dev.platform_data = &db1500_pci_pd,
  98         .name           = "alchemy-pci",
  99         .id             = 0,
 100         .num_resources  = ARRAY_SIZE(alchemy_pci_host_res),
 101         .resource       = alchemy_pci_host_res,
 102 };
 103
 104 int __init db1500_pci_setup(void)
 105 {
 106         return platform_device_register(&db1500_pci_host_dev);
 107 }
 108
 109 static struct resource au1100_lcd_resources[] = {
 110         [0] = {
 111                 .start  = AU1100_LCD_PHYS_ADDR,
 112                 .end    = AU1100_LCD_PHYS_ADDR + 0x800 - 1,
 113                 .flags  = IORESOURCE_MEM,
 114         },
 115         [1] = {
 116                 .start  = AU1100_LCD_INT,
 117                 .end    = AU1100_LCD_INT,
 118                 .flags  = IORESOURCE_IRQ,
 119         }
 120 };
 121
 122 static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
 123
 124 static struct platform_device au1100_lcd_device = {
 125         .name           = "au1100-lcd",
 126         .id             = 0,
 127         .dev = {
 128                 .dma_mask               = &au1100_lcd_dmamask,
 129                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 130         },
 131         .num_resources  = ARRAY_SIZE(au1100_lcd_resources),
 132         .resource       = au1100_lcd_resources,
 133 };
 134
 135 static struct resource alchemy_ac97c_res[] = {
 136         [0] = {
 137                 .start  = AU1000_AC97_PHYS_ADDR,
 138                 .end    = AU1000_AC97_PHYS_ADDR + 0xfff,
 139                 .flags  = IORESOURCE_MEM,
 140         },
 141         [1] = {
 142                 .start  = DMA_ID_AC97C_TX,
 143                 .end    = DMA_ID_AC97C_TX,
 144                 .flags  = IORESOURCE_DMA,
 145         },
 146         [2] = {
 147                 .start  = DMA_ID_AC97C_RX,
 148                 .end    = DMA_ID_AC97C_RX,
 149                 .flags  = IORESOURCE_DMA,
 150         },
 151 };
 152
 153 static struct platform_device alchemy_ac97c_dev = {
 154         .name           = "alchemy-ac97c",
 155         .id             = -1,
 156         .resource       = alchemy_ac97c_res,
 157         .num_resources  = ARRAY_SIZE(alchemy_ac97c_res),
 158 };
 159
 160 static struct platform_device alchemy_ac97c_dma_dev = {
 161         .name           = "alchemy-pcm-dma",
 162         .id             = 0,
 163 };
 164
 165 static struct platform_device db1x00_codec_dev = {
 166         .name           = "ac97-codec",
 167         .id             = -1,
 168 };
 169
 170 static struct platform_device db1x00_audio_dev = {
 171         .name           = "db1000-audio",
 172 };
 173
 174 /******************************************************************************/
 175
 176 static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
 177 {
 178         void (*mmc_cd)(struct mmc_host *, unsigned long);
 179         /* link against CONFIG_MMC=m */
 180         mmc_cd = symbol_get(mmc_detect_change);
 181         mmc_cd(ptr, msecs_to_jiffies(500));
 182         symbol_put(mmc_detect_change);
 183
 184         return IRQ_HANDLED;
 185 }
 186
 187 static int db1100_mmc_cd_setup(void *mmc_host, int en)
 188 {
 189         int ret = 0, irq;
 190
 191         if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
 192                 irq = AU1100_GPIO19_INT;
 193         else
 194                 irq = AU1100_GPIO14_INT;        /* PB1100 SD0 CD# */
 195
 196         if (en) {
 197                 irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
 198                 ret = request_irq(irq, db1100_mmc_cd, 0,
 199                                   "sd0_cd", mmc_host);
 200         } else
 201                 free_irq(irq, mmc_host);
 202         return ret;
 203 }
 204
 205 static int db1100_mmc1_cd_setup(void *mmc_host, int en)
 206 {
 207         int ret = 0, irq;
 208
 209         if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
 210                 irq = AU1100_GPIO20_INT;
 211         else
 212                 irq = AU1100_GPIO15_INT;        /* PB1100 SD1 CD# */
 213
 214         if (en) {
 215                 irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
 216                 ret = request_irq(irq, db1100_mmc_cd, 0,
 217                                   "sd1_cd", mmc_host);
 218         } else
 219                 free_irq(irq, mmc_host);
 220         return ret;
 221 }
 222
 223 static int db1100_mmc_card_readonly(void *mmc_host)
 224 {
 225         /* testing suggests that this bit is inverted */
 226         return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 0 : 1;
 227 }
 228
 229 static int db1100_mmc_card_inserted(void *mmc_host)
 230 {
 231         return !alchemy_gpio_get_value(19);
 232 }
 233
 234 static void db1100_mmc_set_power(void *mmc_host, int state)
 235 {
 236         int bit;
 237
 238         if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
 239                 bit = BCSR_BOARD_SD0PWR;
 240         else
 241                 bit = BCSR_BOARD_PB1100_SD0PWR;
 242
 243         if (state) {
 244                 bcsr_mod(BCSR_BOARD, 0, bit);
 245                 msleep(400);    /* stabilization time */
 246         } else
 247                 bcsr_mod(BCSR_BOARD, bit, 0);
 248 }
 249
 250 static void db1100_mmcled_set(struct led_classdev *led, enum led_brightness b)
 251 {
 252         if (b != LED_OFF)
 253                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
 254         else
 255                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
 256 }
 257
 258 static struct led_classdev db1100_mmc_led = {
 259         .brightness_set = db1100_mmcled_set,
 260 };
 261
 262 static int db1100_mmc1_card_readonly(void *mmc_host)
 263 {
 264         return (bcsr_read(BCSR_BOARD) & BCSR_BOARD_SD1WP) ? 1 : 0;
 265 }
 266
 267 static int db1100_mmc1_card_inserted(void *mmc_host)
 268 {
 269         return !alchemy_gpio_get_value(20);
 270 }
 271
 272 static void db1100_mmc1_set_power(void *mmc_host, int state)
 273 {
 274         int bit;
 275
 276         if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
 277                 bit = BCSR_BOARD_SD1PWR;
 278         else
 279                 bit = BCSR_BOARD_PB1100_SD1PWR;
 280
 281         if (state) {
 282                 bcsr_mod(BCSR_BOARD, 0, bit);
 283                 msleep(400);    /* stabilization time */
 284         } else
 285                 bcsr_mod(BCSR_BOARD, bit, 0);
 286 }
 287
 288 static void db1100_mmc1led_set(struct led_classdev *led, enum led_brightness b)
 289 {
 290         if (b != LED_OFF)
 291                 bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0);
 292         else
 293                 bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1);
 294 }
 295
 296 static struct led_classdev db1100_mmc1_led = {
 297         .brightness_set = db1100_mmc1led_set,
 298 };
 299
 300 static struct au1xmmc_platform_data db1100_mmc_platdata[2] = {
 301         [0] = {
 302                 .cd_setup       = db1100_mmc_cd_setup,
 303                 .set_power      = db1100_mmc_set_power,
 304                 .card_inserted  = db1100_mmc_card_inserted,
 305                 .card_readonly  = db1100_mmc_card_readonly,
 306                 .led            = &db1100_mmc_led,
 307         },
 308         [1] = {
 309                 .cd_setup       = db1100_mmc1_cd_setup,
 310                 .set_power      = db1100_mmc1_set_power,
 311                 .card_inserted  = db1100_mmc1_card_inserted,
 312                 .card_readonly  = db1100_mmc1_card_readonly,
 313                 .led            = &db1100_mmc1_led,
 314         },
 315 };
 316
 317 static struct resource au1100_mmc0_resources[] = {
 318         [0] = {
 319                 .start  = AU1100_SD0_PHYS_ADDR,
 320                 .end    = AU1100_SD0_PHYS_ADDR + 0xfff,
 321                 .flags  = IORESOURCE_MEM,
 322         },
 323         [1] = {
 324                 .start  = AU1100_SD_INT,
 325                 .end    = AU1100_SD_INT,
 326                 .flags  = IORESOURCE_IRQ,
 327         },
 328         [2] = {
 329                 .start  = DMA_ID_SD0_TX,
 330                 .end    = DMA_ID_SD0_TX,
 331                 .flags  = IORESOURCE_DMA,
 332         },
 333         [3] = {
 334                 .start  = DMA_ID_SD0_RX,
 335                 .end    = DMA_ID_SD0_RX,
 336                 .flags  = IORESOURCE_DMA,
 337         }
 338 };
 339
 340 static u64 au1xxx_mmc_dmamask =  DMA_BIT_MASK(32);
 341
 342 static struct platform_device db1100_mmc0_dev = {
 343         .name           = "au1xxx-mmc",
 344         .id             = 0,
 345         .dev = {
 346                 .dma_mask               = &au1xxx_mmc_dmamask,
 347                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 348                 .platform_data          = &db1100_mmc_platdata[0],
 349         },
 350         .num_resources  = ARRAY_SIZE(au1100_mmc0_resources),
 351         .resource       = au1100_mmc0_resources,
 352 };
 353
 354 static struct resource au1100_mmc1_res[] = {
 355         [0] = {
 356                 .start  = AU1100_SD1_PHYS_ADDR,
 357                 .end    = AU1100_SD1_PHYS_ADDR + 0xfff,
 358                 .flags  = IORESOURCE_MEM,
 359         },
 360         [1] = {
 361                 .start  = AU1100_SD_INT,
 362                 .end    = AU1100_SD_INT,
 363                 .flags  = IORESOURCE_IRQ,
 364         },
 365         [2] = {
 366                 .start  = DMA_ID_SD1_TX,
 367                 .end    = DMA_ID_SD1_TX,
 368                 .flags  = IORESOURCE_DMA,
 369         },
 370         [3] = {
 371                 .start  = DMA_ID_SD1_RX,
 372                 .end    = DMA_ID_SD1_RX,
 373                 .flags  = IORESOURCE_DMA,
 374         }
 375 };
 376
 377 static struct platform_device db1100_mmc1_dev = {
 378         .name           = "au1xxx-mmc",
 379         .id             = 1,
 380         .dev = {
 381                 .dma_mask               = &au1xxx_mmc_dmamask,
 382                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 383                 .platform_data          = &db1100_mmc_platdata[1],
 384         },
 385         .num_resources  = ARRAY_SIZE(au1100_mmc1_res),
 386         .resource       = au1100_mmc1_res,
 387 };
 388
 389 /******************************************************************************/
 390
 391 static void db1000_irda_set_phy_mode(int mode)
 392 {
 393         unsigned short mask = BCSR_RESETS_IRDA_MODE_MASK | BCSR_RESETS_FIR_SEL;
 394
 395         switch (mode) {
 396         case AU1000_IRDA_PHY_MODE_OFF:
 397                 bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_OFF);
 398                 break;
 399         case AU1000_IRDA_PHY_MODE_SIR:
 400                 bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL);
 401                 break;
 402         case AU1000_IRDA_PHY_MODE_FIR:
 403                 bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL |
 404                                             BCSR_RESETS_FIR_SEL);
 405                 break;
 406         }
 407 }
 408
 409 static struct au1k_irda_platform_data db1000_irda_platdata = {
 410         .set_phy_mode   = db1000_irda_set_phy_mode,
 411 };
 412
 413 static struct resource au1000_irda_res[] = {
 414         [0] = {
 415                 .start  = AU1000_IRDA_PHYS_ADDR,
 416                 .end    = AU1000_IRDA_PHYS_ADDR + 0x0fff,
 417                 .flags  = IORESOURCE_MEM,
 418         },
 419         [1] = {
 420                 .start  = AU1000_IRDA_TX_INT,
 421                 .end    = AU1000_IRDA_TX_INT,
 422                 .flags  = IORESOURCE_IRQ,
 423         },
 424         [2] = {
 425                 .start  = AU1000_IRDA_RX_INT,
 426                 .end    = AU1000_IRDA_RX_INT,
 427                 .flags  = IORESOURCE_IRQ,
 428         },
 429 };
 430
 431 static struct platform_device db1000_irda_dev = {
 432         .name   = "au1000-irda",
 433         .id     = -1,
 434         .dev    = {
 435                 .platform_data = &db1000_irda_platdata,
 436         },
 437         .resource       = au1000_irda_res,
 438         .num_resources  = ARRAY_SIZE(au1000_irda_res),
 439 };
 440
 441 /******************************************************************************/
 442
 443 static struct ads7846_platform_data db1100_touch_pd = {
 444         .model          = 7846,
 445         .vref_mv        = 3300,
 446         .gpio_pendown   = 21,
 447 };
 448
 449 static struct spi_gpio_platform_data db1100_spictl_pd = {
 450         .sck            = 209,
 451         .mosi           = 208,
 452         .miso           = 207,
 453         .num_chipselect = 1,
 454 };
 455
 456 static struct spi_board_info db1100_spi_info[] __initdata = {
 457         [0] = {
 458                 .modalias        = "ads7846",
 459                 .max_speed_hz    = 3250000,
 460                 .bus_num         = 0,
 461                 .chip_select     = 0,
 462                 .mode            = 0,
 463                 .irq             = AU1100_GPIO21_INT,
 464                 .platform_data   = &db1100_touch_pd,
 465                 .controller_data = (void *)210, /* for spi_gpio: CS# GPIO210 */
 466         },
 467 };
 468
 469 static struct platform_device db1100_spi_dev = {
 470         .name           = "spi_gpio",
 471         .id             = 0,
 472         .dev            = {
 473                 .platform_data  = &db1100_spictl_pd,
 474         },
 475 };
 476
 477
 478 static struct platform_device *db1x00_devs[] = {
 479         &db1x00_codec_dev,
 480         &alchemy_ac97c_dma_dev,
 481         &alchemy_ac97c_dev,
 482         &db1x00_audio_dev,
 483 };
 484
 485 static struct platform_device *db1000_devs[] = {
 486         &db1000_irda_dev,
 487 };
 488
 489 static struct platform_device *db1100_devs[] = {
 490         &au1100_lcd_device,
 491         &db1100_mmc0_dev,
 492         &db1100_mmc1_dev,
 493         &db1000_irda_dev,
 494 };
 495
 496 int __init db1000_dev_setup(void)
 497 {
 498         int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
 499         int c0, c1, d0, d1, s0, s1, flashsize = 32,  twosocks = 1;
 500         unsigned long pfc;
 501         struct clk *c, *p;
 502
 503         if (board == BCSR_WHOAMI_DB1500) {
 504                 c0 = AU1500_GPIO2_INT;
 505                 c1 = AU1500_GPIO5_INT;
 506                 d0 = 0; /* GPIO number, NOT irq! */
 507                 d1 = 3; /* GPIO number, NOT irq! */
 508                 s0 = AU1500_GPIO1_INT;
 509                 s1 = AU1500_GPIO4_INT;
 510         } else if (board == BCSR_WHOAMI_DB1100) {
 511                 c0 = AU1100_GPIO2_INT;
 512                 c1 = AU1100_GPIO5_INT;
 513                 d0 = 0; /* GPIO number, NOT irq! */
 514                 d1 = 3; /* GPIO number, NOT irq! */
 515                 s0 = AU1100_GPIO1_INT;
 516                 s1 = AU1100_GPIO4_INT;
 517
 518                 gpio_request(19, "sd0_cd");
 519                 gpio_request(20, "sd1_cd");
 520                 gpio_direction_input(19);       /* sd0 cd# */
 521                 gpio_direction_input(20);       /* sd1 cd# */
 522
 523                 /* spi_gpio on SSI0 pins */
 524                 pfc = alchemy_rdsys(AU1000_SYS_PINFUNC);
 525                 pfc |= (1 << 0);        /* SSI0 pins as GPIOs */
 526                 alchemy_wrsys(pfc, AU1000_SYS_PINFUNC);
 527
 528                 spi_register_board_info(db1100_spi_info,
 529                                         ARRAY_SIZE(db1100_spi_info));
 530
 531                 /* link LCD clock to AUXPLL */
 532                 p = clk_get(NULL, "auxpll_clk");
 533                 c = clk_get(NULL, "lcd_intclk");
 534                 if (!IS_ERR(c) && !IS_ERR(p)) {
 535                         clk_set_parent(c, p);
 536                         clk_set_rate(c, clk_get_rate(p));
 537                 }
 538                 if (!IS_ERR(c))
 539                         clk_put(c);
 540                 if (!IS_ERR(p))
 541                         clk_put(p);
 542
 543                 platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
 544                 platform_device_register(&db1100_spi_dev);
 545         } else if (board == BCSR_WHOAMI_DB1000) {
 546                 c0 = AU1000_GPIO2_INT;
 547                 c1 = AU1000_GPIO5_INT;
 548                 d0 = 0; /* GPIO number, NOT irq! */
 549                 d1 = 3; /* GPIO number, NOT irq! */
 550                 s0 = AU1000_GPIO1_INT;
 551                 s1 = AU1000_GPIO4_INT;
 552                 platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));
 553         } else if ((board == BCSR_WHOAMI_PB1500) ||
 554                    (board == BCSR_WHOAMI_PB1500R2)) {
 555                 c0 = AU1500_GPIO203_INT;
 556                 d0 = 1; /* GPIO number, NOT irq! */
 557                 s0 = AU1500_GPIO202_INT;
 558                 twosocks = 0;
 559                 flashsize = 64;
 560                 /* RTC and daughtercard irqs */
 561                 irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_LOW);
 562                 irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
 563                 /* EPSON S1D13806 0x1b000000
 564                  * SRAM 1MB/2MB   0x1a000000
 565                  * DS1693 RTC     0x0c000000
 566                  */
 567         } else if (board == BCSR_WHOAMI_PB1100) {
 568                 c0 = AU1100_GPIO11_INT;
 569                 d0 = 9; /* GPIO number, NOT irq! */
 570                 s0 = AU1100_GPIO10_INT;
 571                 twosocks = 0;
 572                 flashsize = 64;
 573                 /* pendown, rtc, daughtercard irqs */
 574                 irq_set_irq_type(AU1100_GPIO8_INT, IRQ_TYPE_LEVEL_LOW);
 575                 irq_set_irq_type(AU1100_GPIO12_INT, IRQ_TYPE_LEVEL_LOW);
 576                 irq_set_irq_type(AU1100_GPIO13_INT, IRQ_TYPE_LEVEL_LOW);
 577                 /* EPSON S1D13806 0x1b000000
 578                  * SRAM 1MB/2MB   0x1a000000
 579                  * DiskOnChip     0x0d000000
 580                  * DS1693 RTC     0x0c000000
 581                  */
 582                 platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
 583         } else
 584                 return 0; /* unknown board, no further dev setup to do */
 585
 586         irq_set_irq_type(c0, IRQ_TYPE_LEVEL_LOW);
 587         irq_set_irq_type(s0, IRQ_TYPE_LEVEL_LOW);
 588
 589         db1x_register_pcmcia_socket(
 590                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 591                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
 592                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 593                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
 594                 AU1000_PCMCIA_IO_PHYS_ADDR,
 595                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
 596                 c0, d0, /*s0*/0, 0, 0);
 597
 598         if (twosocks) {
 599                 irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW);
 600                 irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW);
 601
 602                 db1x_register_pcmcia_socket(
 603                         AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
 604                         AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
 605                         AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
 606                         AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
 607                         AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
 608                         AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
 609                         c1, d1, /*s1*/0, 0, 1);
 610         }
 611
 612         platform_add_devices(db1x00_devs, ARRAY_SIZE(db1x00_devs));
 613         db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
 614         return 0;
 615 }