arch/mips/alchemy/devboards/db1550.c

   1 /*
   2  * Alchemy Db1550/Pb1550 board support
   3  *
   4  * (c) 2011 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/i2c.h>
  11 #include <linux/init.h>
  12 #include <linux/io.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/nand.h>
  16 #include <linux/mtd/partitions.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/pm.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/spi/flash.h>
  21 #include <asm/bootinfo.h>
  22 #include <asm/mach-au1x00/au1000.h>
  23 #include <asm/mach-au1x00/gpio-au1000.h>
  24 #include <asm/mach-au1x00/au1xxx_eth.h>
  25 #include <asm/mach-au1x00/au1xxx_dbdma.h>
  26 #include <asm/mach-au1x00/au1xxx_psc.h>
  27 #include <asm/mach-au1x00/au1550_spi.h>
  28 #include <asm/mach-au1x00/au1550nd.h>
  29 #include <asm/mach-db1x00/bcsr.h>
  30 #include <prom.h>
  31 #include "platform.h"
  32
  33 static void __init db1550_hw_setup(void)
  34 {
  35         void __iomem *base;
  36         unsigned long v;
  37
  38         /* complete pin setup: assign GPIO16 to PSC0_SYNC1 (SPI cs# line)
  39          * as well as PSC1_SYNC for AC97 on PB1550.
  40          */
  41         v = alchemy_rdsys(AU1000_SYS_PINFUNC);
  42         alchemy_wrsys(v | 1 | SYS_PF_PSC1_S1, AU1000_SYS_PINFUNC);
  43
  44         /* reset the AC97 codec now, the reset time in the psc-ac97 driver
  45          * is apparently too short although it's ridiculous as it is.
  46          */
  47         base = (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR);
  48         __raw_writel(PSC_SEL_CLK_SERCLK | PSC_SEL_PS_AC97MODE,
  49                      base + PSC_SEL_OFFSET);
  50         __raw_writel(PSC_CTRL_DISABLE, base + PSC_CTRL_OFFSET);
  51         wmb();
  52         __raw_writel(PSC_AC97RST_RST, base + PSC_AC97RST_OFFSET);
  53         wmb();
  54 }
  55
  56 int __init db1550_board_setup(void)
  57 {
  58         unsigned short whoami;
  59
  60         bcsr_init(DB1550_BCSR_PHYS_ADDR,
  61                   DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
  62
  63         whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
  64         switch (BCSR_WHOAMI_BOARD(whoami)) {
  65         case BCSR_WHOAMI_PB1550_SDR:
  66         case BCSR_WHOAMI_PB1550_DDR:
  67                 bcsr_init(PB1550_BCSR_PHYS_ADDR,
  68                           PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
  69         case BCSR_WHOAMI_DB1550:
  70                 break;
  71         default:
  72                 return -ENODEV;
  73         }
  74
  75         pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d  "       \
  76                 "Daughtercard ID %d\n", get_system_type(),
  77                 (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
  78
  79         db1550_hw_setup();
  80         return 0;
  81 }
  82
  83 /*****************************************************************************/
  84
  85 static struct mtd_partition db1550_spiflash_parts[] = {
  86         {
  87                 .name   = "spi_flash",
  88                 .offset = 0,
  89                 .size   = MTDPART_SIZ_FULL,
  90         },
  91 };
  92
  93 static struct flash_platform_data db1550_spiflash_data = {
  94         .name           = "s25fl010",
  95         .parts          = db1550_spiflash_parts,
  96         .nr_parts       = ARRAY_SIZE(db1550_spiflash_parts),
  97         .type           = "m25p10",
  98 };
  99
 100 static struct spi_board_info db1550_spi_devs[] __initdata = {
 101         {
 102                 /* TI TMP121AIDBVR temp sensor */
 103                 .modalias       = "tmp121",
 104                 .max_speed_hz   = 2400000,
 105                 .bus_num        = 0,
 106                 .chip_select    = 0,
 107                 .mode           = SPI_MODE_0,
 108         },
 109         {
 110                 /* Spansion S25FL001D0FMA SPI flash */
 111                 .modalias       = "m25p80",
 112                 .max_speed_hz   = 2400000,
 113                 .bus_num        = 0,
 114                 .chip_select    = 1,
 115                 .mode           = SPI_MODE_0,
 116                 .platform_data  = &db1550_spiflash_data,
 117         },
 118 };
 119
 120 static struct i2c_board_info db1550_i2c_devs[] __initdata = {
 121         { I2C_BOARD_INFO("24c04",  0x52),}, /* AT24C04-10 I2C eeprom */
 122         { I2C_BOARD_INFO("ne1619", 0x2d),}, /* adm1025-compat hwmon */
 123         { I2C_BOARD_INFO("wm8731", 0x1b),}, /* I2S audio codec WM8731 */
 124 };
 125
 126 /**********************************************************************/
 127
 128 static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
 129                                  unsigned int ctrl)
 130 {
 131         struct nand_chip *this = mtd->priv;
 132         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
 133
 134         ioaddr &= 0xffffff00;
 135
 136         if (ctrl & NAND_CLE) {
 137                 ioaddr += MEM_STNAND_CMD;
 138         } else if (ctrl & NAND_ALE) {
 139                 ioaddr += MEM_STNAND_ADDR;
 140         } else {
 141                 /* assume we want to r/w real data  by default */
 142                 ioaddr += MEM_STNAND_DATA;
 143         }
 144         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
 145         if (cmd != NAND_CMD_NONE) {
 146                 __raw_writeb(cmd, this->IO_ADDR_W);
 147                 wmb();
 148         }
 149 }
 150
 151 static int au1550_nand_device_ready(struct mtd_info *mtd)
 152 {
 153         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
 154 }
 155
 156 static struct mtd_partition db1550_nand_parts[] = {
 157         {
 158                 .name   = "NAND FS 0",
 159                 .offset = 0,
 160                 .size   = 8 * 1024 * 1024,
 161         },
 162         {
 163                 .name   = "NAND FS 1",
 164                 .offset = MTDPART_OFS_APPEND,
 165                 .size   = MTDPART_SIZ_FULL
 166         },
 167 };
 168
 169 struct platform_nand_data db1550_nand_platdata = {
 170         .chip = {
 171                 .nr_chips       = 1,
 172                 .chip_offset    = 0,
 173                 .nr_partitions  = ARRAY_SIZE(db1550_nand_parts),
 174                 .partitions     = db1550_nand_parts,
 175                 .chip_delay     = 20,
 176         },
 177         .ctrl = {
 178                 .dev_ready      = au1550_nand_device_ready,
 179                 .cmd_ctrl       = au1550_nand_cmd_ctrl,
 180         },
 181 };
 182
 183 static struct resource db1550_nand_res[] = {
 184         [0] = {
 185                 .start  = 0x20000000,
 186                 .end    = 0x200000ff,
 187                 .flags  = IORESOURCE_MEM,
 188         },
 189 };
 190
 191 static struct platform_device db1550_nand_dev = {
 192         .name           = "gen_nand",
 193         .num_resources  = ARRAY_SIZE(db1550_nand_res),
 194         .resource       = db1550_nand_res,
 195         .id             = -1,
 196         .dev            = {
 197                 .platform_data = &db1550_nand_platdata,
 198         }
 199 };
 200
 201 static struct au1550nd_platdata pb1550_nand_pd = {
 202         .parts          = db1550_nand_parts,
 203         .num_parts      = ARRAY_SIZE(db1550_nand_parts),
 204         .devwidth       = 0,    /* x8 NAND default, needs fixing up */
 205 };
 206
 207 static struct platform_device pb1550_nand_dev = {
 208         .name           = "au1550-nand",
 209         .id             = -1,
 210         .resource       = db1550_nand_res,
 211         .num_resources  = ARRAY_SIZE(db1550_nand_res),
 212         .dev            = {
 213                 .platform_data  = &pb1550_nand_pd,
 214         },
 215 };
 216
 217 static void __init pb1550_nand_setup(void)
 218 {
 219         int boot_swapboot = (alchemy_rdsmem(AU1000_MEM_STSTAT) & (0x7 << 1)) |
 220                             ((bcsr_read(BCSR_STATUS) >> 6) & 0x1);
 221
 222         gpio_direction_input(206);      /* de-assert NAND CS# */
 223         switch (boot_swapboot) {
 224         case 0: case 2: case 8: case 0xC: case 0xD:
 225                 /* x16 NAND Flash */
 226                 pb1550_nand_pd.devwidth = 1;
 227                 /* fallthrough */
 228         case 1: case 3: case 9: case 0xE: case 0xF:
 229                 /* x8 NAND, already set up */
 230                 platform_device_register(&pb1550_nand_dev);
 231         }
 232 }
 233
 234 /**********************************************************************/
 235
 236 static struct resource au1550_psc0_res[] = {
 237         [0] = {
 238                 .start  = AU1550_PSC0_PHYS_ADDR,
 239                 .end    = AU1550_PSC0_PHYS_ADDR + 0xfff,
 240                 .flags  = IORESOURCE_MEM,
 241         },
 242         [1] = {
 243                 .start  = AU1550_PSC0_INT,
 244                 .end    = AU1550_PSC0_INT,
 245                 .flags  = IORESOURCE_IRQ,
 246         },
 247         [2] = {
 248                 .start  = AU1550_DSCR_CMD0_PSC0_TX,
 249                 .end    = AU1550_DSCR_CMD0_PSC0_TX,
 250                 .flags  = IORESOURCE_DMA,
 251         },
 252         [3] = {
 253                 .start  = AU1550_DSCR_CMD0_PSC0_RX,
 254                 .end    = AU1550_DSCR_CMD0_PSC0_RX,
 255                 .flags  = IORESOURCE_DMA,
 256         },
 257 };
 258
 259 static void db1550_spi_cs_en(struct au1550_spi_info *spi, int cs, int pol)
 260 {
 261         if (cs)
 262                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SPISEL);
 263         else
 264                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SPISEL, 0);
 265 }
 266
 267 static struct au1550_spi_info db1550_spi_platdata = {
 268         .mainclk_hz     = 48000000,     /* PSC0 clock: max. 2.4MHz SPI clk */
 269         .num_chipselect = 2,
 270         .activate_cs    = db1550_spi_cs_en,
 271 };
 272
 273 static u64 spi_dmamask = DMA_BIT_MASK(32);
 274
 275 static struct platform_device db1550_spi_dev = {
 276         .dev    = {
 277                 .dma_mask               = &spi_dmamask,
 278                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 279                 .platform_data          = &db1550_spi_platdata,
 280         },
 281         .name           = "au1550-spi",
 282         .id             = 0,    /* bus number */
 283         .num_resources  = ARRAY_SIZE(au1550_psc0_res),
 284         .resource       = au1550_psc0_res,
 285 };
 286
 287 /**********************************************************************/
 288
 289 static struct resource au1550_psc1_res[] = {
 290         [0] = {
 291                 .start  = AU1550_PSC1_PHYS_ADDR,
 292                 .end    = AU1550_PSC1_PHYS_ADDR + 0xfff,
 293                 .flags  = IORESOURCE_MEM,
 294         },
 295         [1] = {
 296                 .start  = AU1550_PSC1_INT,
 297                 .end    = AU1550_PSC1_INT,
 298                 .flags  = IORESOURCE_IRQ,
 299         },
 300         [2] = {
 301                 .start  = AU1550_DSCR_CMD0_PSC1_TX,
 302                 .end    = AU1550_DSCR_CMD0_PSC1_TX,
 303                 .flags  = IORESOURCE_DMA,
 304         },
 305         [3] = {
 306                 .start  = AU1550_DSCR_CMD0_PSC1_RX,
 307                 .end    = AU1550_DSCR_CMD0_PSC1_RX,
 308                 .flags  = IORESOURCE_DMA,
 309         },
 310 };
 311
 312 static struct platform_device db1550_ac97_dev = {
 313         .name           = "au1xpsc_ac97",
 314         .id             = 1,    /* PSC ID */
 315         .num_resources  = ARRAY_SIZE(au1550_psc1_res),
 316         .resource       = au1550_psc1_res,
 317 };
 318
 319
 320 static struct resource au1550_psc2_res[] = {
 321         [0] = {
 322                 .start  = AU1550_PSC2_PHYS_ADDR,
 323                 .end    = AU1550_PSC2_PHYS_ADDR + 0xfff,
 324                 .flags  = IORESOURCE_MEM,
 325         },
 326         [1] = {
 327                 .start  = AU1550_PSC2_INT,
 328                 .end    = AU1550_PSC2_INT,
 329                 .flags  = IORESOURCE_IRQ,
 330         },
 331         [2] = {
 332                 .start  = AU1550_DSCR_CMD0_PSC2_TX,
 333                 .end    = AU1550_DSCR_CMD0_PSC2_TX,
 334                 .flags  = IORESOURCE_DMA,
 335         },
 336         [3] = {
 337                 .start  = AU1550_DSCR_CMD0_PSC2_RX,
 338                 .end    = AU1550_DSCR_CMD0_PSC2_RX,
 339                 .flags  = IORESOURCE_DMA,
 340         },
 341 };
 342
 343 static struct platform_device db1550_i2c_dev = {
 344         .name           = "au1xpsc_smbus",
 345         .id             = 0,    /* bus number */
 346         .num_resources  = ARRAY_SIZE(au1550_psc2_res),
 347         .resource       = au1550_psc2_res,
 348 };
 349
 350 /**********************************************************************/
 351
 352 static struct resource au1550_psc3_res[] = {
 353         [0] = {
 354                 .start  = AU1550_PSC3_PHYS_ADDR,
 355                 .end    = AU1550_PSC3_PHYS_ADDR + 0xfff,
 356                 .flags  = IORESOURCE_MEM,
 357         },
 358         [1] = {
 359                 .start  = AU1550_PSC3_INT,
 360                 .end    = AU1550_PSC3_INT,
 361                 .flags  = IORESOURCE_IRQ,
 362         },
 363         [2] = {
 364                 .start  = AU1550_DSCR_CMD0_PSC3_TX,
 365                 .end    = AU1550_DSCR_CMD0_PSC3_TX,
 366                 .flags  = IORESOURCE_DMA,
 367         },
 368         [3] = {
 369                 .start  = AU1550_DSCR_CMD0_PSC3_RX,
 370                 .end    = AU1550_DSCR_CMD0_PSC3_RX,
 371                 .flags  = IORESOURCE_DMA,
 372         },
 373 };
 374
 375 static struct platform_device db1550_i2s_dev = {
 376         .name           = "au1xpsc_i2s",
 377         .id             = 3,    /* PSC ID */
 378         .num_resources  = ARRAY_SIZE(au1550_psc3_res),
 379         .resource       = au1550_psc3_res,
 380 };
 381
 382 /**********************************************************************/
 383
 384 static struct platform_device db1550_stac_dev = {
 385         .name           = "ac97-codec",
 386         .id             = 1,    /* on PSC1 */
 387 };
 388
 389 static struct platform_device db1550_ac97dma_dev = {
 390         .name           = "au1xpsc-pcm",
 391         .id             = 1,    /* on PSC3 */
 392 };
 393
 394 static struct platform_device db1550_i2sdma_dev = {
 395         .name           = "au1xpsc-pcm",
 396         .id             = 3,    /* on PSC3 */
 397 };
 398
 399 static struct platform_device db1550_sndac97_dev = {
 400         .name           = "db1550-ac97",
 401 };
 402
 403 static struct platform_device db1550_sndi2s_dev = {
 404         .name           = "db1550-i2s",
 405 };
 406
 407 /**********************************************************************/
 408
 409 static int db1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
 410 {
 411         if ((slot < 11) || (slot > 13) || pin == 0)
 412                 return -1;
 413         if (slot == 11)
 414                 return (pin == 1) ? AU1550_PCI_INTC : 0xff;
 415         if (slot == 12) {
 416                 switch (pin) {
 417                 case 1: return AU1550_PCI_INTB;
 418                 case 2: return AU1550_PCI_INTC;
 419                 case 3: return AU1550_PCI_INTD;
 420                 case 4: return AU1550_PCI_INTA;
 421                 }
 422         }
 423         if (slot == 13) {
 424                 switch (pin) {
 425                 case 1: return AU1550_PCI_INTA;
 426                 case 2: return AU1550_PCI_INTB;
 427                 case 3: return AU1550_PCI_INTC;
 428                 case 4: return AU1550_PCI_INTD;
 429                 }
 430         }
 431         return -1;
 432 }
 433
 434 static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
 435 {
 436         if ((slot < 12) || (slot > 13) || pin == 0)
 437                 return -1;
 438         if (slot == 12) {
 439                 switch (pin) {
 440                 case 1: return AU1500_PCI_INTB;
 441                 case 2: return AU1500_PCI_INTC;
 442                 case 3: return AU1500_PCI_INTD;
 443                 case 4: return AU1500_PCI_INTA;
 444                 }
 445         }
 446         if (slot == 13) {
 447                 switch (pin) {
 448                 case 1: return AU1500_PCI_INTA;
 449                 case 2: return AU1500_PCI_INTB;
 450                 case 3: return AU1500_PCI_INTC;
 451                 case 4: return AU1500_PCI_INTD;
 452                 }
 453         }
 454         return -1;
 455 }
 456
 457 static struct resource alchemy_pci_host_res[] = {
 458         [0] = {
 459                 .start  = AU1500_PCI_PHYS_ADDR,
 460                 .end    = AU1500_PCI_PHYS_ADDR + 0xfff,
 461                 .flags  = IORESOURCE_MEM,
 462         },
 463 };
 464
 465 static struct alchemy_pci_platdata db1550_pci_pd = {
 466         .board_map_irq  = db1550_map_pci_irq,
 467 };
 468
 469 static struct platform_device db1550_pci_host_dev = {
 470         .dev.platform_data = &db1550_pci_pd,
 471         .name           = "alchemy-pci",
 472         .id             = 0,
 473         .num_resources  = ARRAY_SIZE(alchemy_pci_host_res),
 474         .resource       = alchemy_pci_host_res,
 475 };
 476
 477 /**********************************************************************/
 478
 479 static struct platform_device *db1550_devs[] __initdata = {
 480         &db1550_i2c_dev,
 481         &db1550_ac97_dev,
 482         &db1550_spi_dev,
 483         &db1550_i2s_dev,
 484         &db1550_stac_dev,
 485         &db1550_ac97dma_dev,
 486         &db1550_i2sdma_dev,
 487         &db1550_sndac97_dev,
 488         &db1550_sndi2s_dev,
 489 };
 490
 491 /* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
 492 int __init db1550_pci_setup(int id)
 493 {
 494         if (id)
 495                 db1550_pci_pd.board_map_irq = pb1550_map_pci_irq;
 496         return platform_device_register(&db1550_pci_host_dev);
 497 }
 498
 499 static void __init db1550_devices(void)
 500 {
 501         alchemy_gpio_direction_output(203, 0);  /* red led on */
 502
 503         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH);  /* CD0# */
 504         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH);  /* CD1# */
 505         irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD0# */
 506         irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD1# */
 507         irq_set_irq_type(AU1550_GPIO21_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG0# */
 508         irq_set_irq_type(AU1550_GPIO22_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG1# */
 509
 510         db1x_register_pcmcia_socket(
 511                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 512                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
 513                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 514                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
 515                 AU1000_PCMCIA_IO_PHYS_ADDR,
 516                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
 517                 AU1550_GPIO3_INT, AU1550_GPIO0_INT,
 518                 /*AU1550_GPIO21_INT*/0, 0, 0);
 519
 520         db1x_register_pcmcia_socket(
 521                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
 522                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
 523                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
 524                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
 525                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
 526                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
 527                 AU1550_GPIO5_INT, AU1550_GPIO1_INT,
 528                 /*AU1550_GPIO22_INT*/0, 0, 1);
 529
 530         platform_device_register(&db1550_nand_dev);
 531
 532         alchemy_gpio_direction_output(202, 0);  /* green led on */
 533 }
 534
 535 static void __init pb1550_devices(void)
 536 {
 537         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
 538         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
 539         irq_set_irq_type(AU1550_GPIO201_205_INT, IRQ_TYPE_LEVEL_HIGH);
 540
 541         /* enable both PCMCIA card irqs in the shared line */
 542         alchemy_gpio2_enable_int(201);  /* socket 0 card irq */
 543         alchemy_gpio2_enable_int(202);  /* socket 1 card irq */
 544
 545         /* Pb1550, like all others, also has statuschange irqs; however they're
 546         * wired up on one of the Au1550's shared GPIO201_205 line, which also
 547         * services the PCMCIA card interrupts.  So we ignore statuschange and
 548         * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
 549         * drivers are used to shared irqs and b) statuschange isn't really use-
 550         * ful anyway.
 551         */
 552         db1x_register_pcmcia_socket(
 553                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
 554                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
 555                 AU1000_PCMCIA_MEM_PHYS_ADDR,
 556                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
 557                 AU1000_PCMCIA_IO_PHYS_ADDR,
 558                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
 559                 AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
 560
 561         db1x_register_pcmcia_socket(
 562                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
 563                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
 564                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
 565                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
 566                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
 567                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
 568                 AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
 569
 570         pb1550_nand_setup();
 571 }
 572
 573 int __init db1550_dev_setup(void)
 574 {
 575         int swapped, id;
 576         struct clk *c;
 577
 578         id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
 579
 580         i2c_register_board_info(0, db1550_i2c_devs,
 581                                 ARRAY_SIZE(db1550_i2c_devs));
 582         spi_register_board_info(db1550_spi_devs,
 583                                 ARRAY_SIZE(db1550_i2c_devs));
 584
 585         c = clk_get(NULL, "psc0_intclk");
 586         if (!IS_ERR(c)) {
 587                 clk_set_rate(c, 50000000);
 588                 clk_prepare_enable(c);
 589                 clk_put(c);
 590         }
 591         c = clk_get(NULL, "psc2_intclk");
 592         if (!IS_ERR(c)) {
 593                 clk_set_rate(c, db1550_spi_platdata.mainclk_hz);
 594                 clk_prepare_enable(c);
 595                 clk_put(c);
 596         }
 597
 598         /* Audio PSC clock is supplied by codecs (PSC1, 3) FIXME: platdata!! */
 599         __raw_writel(PSC_SEL_CLK_SERCLK,
 600             (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
 601         wmb();
 602         __raw_writel(PSC_SEL_CLK_SERCLK,
 603             (void __iomem *)KSEG1ADDR(AU1550_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
 604         wmb();
 605         /* SPI/I2C use internally supplied 50MHz source */
 606         __raw_writel(PSC_SEL_CLK_INTCLK,
 607             (void __iomem *)KSEG1ADDR(AU1550_PSC0_PHYS_ADDR) + PSC_SEL_OFFSET);
 608         wmb();
 609         __raw_writel(PSC_SEL_CLK_INTCLK,
 610             (void __iomem *)KSEG1ADDR(AU1550_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
 611         wmb();
 612
 613         id ? pb1550_devices() : db1550_devices();
 614
 615         swapped = bcsr_read(BCSR_STATUS) &
 616                (id ? BCSR_STATUS_PB1550_SWAPBOOT : BCSR_STATUS_DB1000_SWAPBOOT);
 617         db1x_register_norflash(128 << 20, 4, swapped);
 618
 619         return platform_add_devices(db1550_devs, ARRAY_SIZE(db1550_devs));
 620 }